{ "id": "/qingyang/festivals/1945", "place": { "id": "12359313", "slug": "qingyang", "name": "Qingyang", "region": "Gansu, China", "country": "CN", "lat": 35.70976, "lon": 107.64455, "elevation_m": 1427, "tz": "Asia/Shanghai" }, "year": 1945, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-01-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10210, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-01-02T00:17:18+09:00", "utc": "1945-01-01T15:17:18Z", "ms": -788863361871.717 }, "end": { "local": "1945-01-03T01:42:45+09:00", "utc": "1945-01-02T16:42:45Z", "ms": -788771834962.1512 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-02T00:17:18+09:00", "utc": "1945-01-01T15:17:18Z", "ms": -788863361871.717 }, "end": { "local": "1945-01-03T01:42:45+09:00", "utc": "1945-01-02T16:42:45Z", "ms": -788771834962.1512 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-01-01", "window": { "start": { "local": "1945-01-01T21:27:08+09:00", "utc": "1945-01-01T12:27:08Z", "ms": -788873572252.9238 }, "end": { "local": "1945-01-01T21:27:08+09:00", "utc": "1945-01-01T12:27:08Z", "ms": -788873572252.9238 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-01-02", "window": { "start": { "local": "1945-01-02T22:25:37+09:00", "utc": "1945-01-02T13:25:37Z", "ms": -788783662690.0756 }, "end": { "local": "1945-01-02T22:25:37+09:00", "utc": "1945-01-02T13:25:37Z", "ms": -788783662690.0756 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:17 on Tue 2 Jan to 01:43 on Wed 3 Jan.", "fact": "1945-01-01T15:17:18Z → 1945-01-02T16:42:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 1st and 22:26 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10210 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Tuesday 2 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": "1945-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-02", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Tuesday 2 January. Caturthī runs from 00:17 on Tue 2 Jan to 01:43 on Wed 3 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-01-10", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21582, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-01-09T14:59:55+09:00", "utc": "1945-01-09T05:59:55Z", "ms": -788205604917.5366 }, "end": { "local": "1945-01-10T16:09:04+09:00", "utc": "1945-01-10T07:09:04Z", "ms": -788115055800.6484 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-09T14:59:55+09:00", "utc": "1945-01-09T05:59:55Z", "ms": -788205604917.5366 }, "end": { "local": "1945-01-10T16:09:04+09:00", "utc": "1945-01-10T07:09:04Z", "ms": -788115055800.6484 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-01-09", "window": { "start": { "local": "1945-01-09T09:00:13+09:00", "utc": "1945-01-09T00:00:13Z", "ms": -788227187010.067 }, "end": { "local": "1945-01-09T09:00:13+09:00", "utc": "1945-01-09T00:00:13Z", "ms": -788227187010.067 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-01-10", "window": { "start": { "local": "1945-01-10T09:00:09+09:00", "utc": "1945-01-10T00:00:09Z", "ms": -788140791418.9553 }, "end": { "local": "1945-01-10T09:00:09+09:00", "utc": "1945-01-10T00:00:09Z", "ms": -788140791418.9553 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:00 on Tue 9 Jan to 16:09 on Wed 10 Jan.", "fact": "1945-01-09T05:59:55Z → 1945-01-10T07:09:04Z" }, { "step": "kaala", "text": "Sunrise is at 09:00 on the 9th and 09:00 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21582 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1945: Wednesday 10 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": "1945-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-10", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1945 falls on Wednesday 10 January. Ekādaśī runs from 15:00 on Tue 9 Jan to 16:09 on Wed 10 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-01-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-01-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8241, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-01-11T16:37:22+09:00", "utc": "1945-01-11T07:37:22Z", "ms": -788026957560.688 }, "end": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-11T16:37:22+09:00", "utc": "1945-01-11T07:37:22Z", "ms": -788026957560.688 }, "end": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-01-11", "window": { "start": { "local": "1945-01-11T18:54:44+09:00", "utc": "1945-01-11T09:54:44Z", "ms": -788018716325.243 }, "end": { "local": "1945-01-11T20:47:25+09:00", "utc": "1945-01-11T11:47:25Z", "ms": -788011954958.917 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1945-01-12", "window": { "start": { "local": "1945-01-12T18:55:40+09:00", "utc": "1945-01-12T09:55:40Z", "ms": -787932259999.7311 }, "end": { "local": "1945-01-12T20:48:12+09:00", "utc": "1945-01-12T11:48:12Z", "ms": -787925507510.0436 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:37 on Thu 11 Jan to 16:24 on Fri 12 Jan.", "fact": "1945-01-11T07:37:22Z → 1945-01-12T07:24:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:47 on the 11th, 18:56–20:48 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 113 of 113 minutes on the 11th and 0 of 113 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8241 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Thursday 11 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": "1945-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-11", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Thursday 11 January. Trayodaśī runs from 16:37 on Thu 11 Jan to 16:24 on Fri 12 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-01-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32967, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 }, "end": { "local": "1945-01-13T15:32:20+09:00", "utc": "1945-01-13T06:32:20Z", "ms": -787858059782.6857 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 }, "end": { "local": "1945-01-13T15:32:20+09:00", "utc": "1945-01-13T06:32:20Z", "ms": -787858059782.6857 } }, "kaala": "nishita", "days": [ { "local_date": "1945-01-12", "window": { "start": { "local": "1945-01-13T01:33:42+09:00", "utc": "1945-01-12T16:33:42Z", "ms": -787908378163.403 }, "end": { "local": "1945-01-13T02:21:42+09:00", "utc": "1945-01-12T17:21:42Z", "ms": -787905498163.403 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-14T01:34:04+09:00", "utc": "1945-01-13T16:34:04Z", "ms": -787821955725.9614 }, "end": { "local": "1945-01-14T02:22:04+09:00", "utc": "1945-01-13T17:22:04Z", "ms": -787819075725.9614 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:24 on Fri 12 Jan to 15:32 on Sat 13 Jan.", "fact": "1945-01-12T07:24:15Z → 1945-01-13T06:32:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:34–02:22 on the 12th, 01:34–02:22 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32967 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Friday 12 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": "1945-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-12", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Friday 12 January. Caturdaśī runs from 16:24 on Fri 12 Jan to 15:32 on Sat 13 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18028, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-02-12T12:57:14+09:00", "utc": "1945-02-12T03:57:14Z", "ms": -785275366266.9158 } }, "span": { "of": "transit", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 } }, "kaala": "sunset-day", "days": [ { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-12T18:55:40+09:00", "utc": "1945-01-12T09:55:40Z", "ms": -787932259999.7311 }, "end": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1945-01-14", "window": { "start": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 }, "end": { "local": "1945-01-14T18:57:35+09:00", "utc": "1945-01-14T09:57:35Z", "ms": -787759345173.8436 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1945-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:57 on Sat 13 Jan.", "fact": "1945-01-13T14:57:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:57, and the day of the 14th ends at 18:58.", "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 18028 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1945: Saturday 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": "1945-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1945-01-12", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1945-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Bhogi 1945 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 23:57 on Sat 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 175, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-02-12T12:57:14+09:00", "utc": "1945-02-12T03:57:14Z", "ms": -785275366266.9158 } }, "span": { "of": "transit", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 } }, "kaala": "civil-day", "days": [ { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-13T00:00:00+09:00", "utc": "1945-01-12T15:00:00Z", "ms": -787914000000 }, "end": { "local": "1945-01-14T00:00:00+09:00", "utc": "1945-01-13T15:00:00Z", "ms": -787827600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1945-01-14", "window": { "start": { "local": "1945-01-14T00:00:00+09:00", "utc": "1945-01-13T15:00:00Z", "ms": -787827600000 }, "end": { "local": "1945-01-15T00:00:00+09:00", "utc": "1945-01-14T15:00:00Z", "ms": -787741200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:57 on Sat 13 Jan.", "fact": "1945-01-13T14:57:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Qingyang.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 175 s < 300 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1945: Saturday 13 January.", "fact": "confidence: boundary (margin)" } ], "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": "1945-01-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-13", "confidence": "boundary" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1945-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1945-01-14", "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 Qingyang, Makara Saṅkrānti 1945 falls on Saturday 13 January. The Sun enters Makara at 23:57 on Sat 13 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 January. It is 2 min 55 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23557, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 }, "end": { "local": "1945-01-13T15:32:20+09:00", "utc": "1945-01-13T06:32:20Z", "ms": -787858059782.6857 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-12T16:24:15+09:00", "utc": "1945-01-12T07:24:15Z", "ms": -787941344736.6644 }, "end": { "local": "1945-01-13T15:32:20+09:00", "utc": "1945-01-13T06:32:20Z", "ms": -787858059782.6857 } }, "kaala": "arunodaya", "days": [ { "local_date": "1945-01-12", "window": { "start": { "local": "1945-01-12T07:07:13+09:00", "utc": "1945-01-11T22:07:13Z", "ms": -787974767444.1237 }, "end": { "local": "1945-01-12T08:59:54+09:00", "utc": "1945-01-11T23:59:54Z", "ms": -787968006077.7976 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-13T07:07:11+09:00", "utc": "1945-01-12T22:07:11Z", "ms": -787888368816.7623 }, "end": { "local": "1945-01-13T08:59:44+09:00", "utc": "1945-01-12T23:59:44Z", "ms": -787881616327.0748 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:24 on Fri 12 Jan to 15:32 on Sat 13 Jan.", "fact": "1945-01-12T07:24:15Z → 1945-01-13T06:32:20Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 07:07–09:00 on the 12th, 07:07–09:00 on the 13th.", "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 113 minutes on the 12th and 113 of 113 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 23557 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1945: Saturday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-13", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1945 falls on Saturday 13 January. Caturdaśī runs from 16:24 on Fri 12 Jan to 15:32 on Sat 13 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18028, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-02-12T12:57:14+09:00", "utc": "1945-02-12T03:57:14Z", "ms": -785275366266.9158 } }, "span": { "of": "transit", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 } }, "kaala": "sunset-day", "days": [ { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-12T18:55:40+09:00", "utc": "1945-01-12T09:55:40Z", "ms": -787932259999.7311 }, "end": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1945-01-14", "window": { "start": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 }, "end": { "local": "1945-01-14T18:57:35+09:00", "utc": "1945-01-14T09:57:35Z", "ms": -787759345173.8436 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:57 on Sat 13 Jan.", "fact": "1945-01-13T14:57:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:57, and the day of the 14th ends at 18:58.", "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 18028 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1945: Sunday 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": "1945-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1945-01-13", "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": "1945-01-13", "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 Qingyang, Pongal 1945 falls on Sunday 14 January. The Sun enters Makara at 23:57 on Sat 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18028, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-02-12T12:57:14+09:00", "utc": "1945-02-12T03:57:14Z", "ms": -785275366266.9158 } }, "span": { "of": "transit", "start": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 }, "end": { "local": "1945-01-13T23:57:05+09:00", "utc": "1945-01-13T14:57:05Z", "ms": -787827775072.5134 } }, "kaala": "sunset-day", "days": [ { "local_date": "1945-01-13", "window": { "start": { "local": "1945-01-12T18:55:40+09:00", "utc": "1945-01-12T09:55:40Z", "ms": -787932259999.7311 }, "end": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1945-01-14", "window": { "start": { "local": "1945-01-13T18:56:37+09:00", "utc": "1945-01-13T09:56:37Z", "ms": -787845802931.3746 }, "end": { "local": "1945-01-14T18:57:35+09:00", "utc": "1945-01-14T09:57:35Z", "ms": -787759345173.8436 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1945-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:57 on Sat 13 Jan.", "fact": "1945-01-13T14:57:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:57, and the day of the 14th ends at 18:58.", "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 18028 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1945: Monday 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": "1945-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1945-01-14", "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": "1945-01-14", "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 Qingyang, Mattu Pongal 1945 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 23:57 on Sat 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21737, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-01-17T07:33:20+09:00", "utc": "1945-01-16T22:33:20Z", "ms": -787541199597.0479 }, "end": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-17T07:33:20+09:00", "utc": "1945-01-16T22:33:20Z", "ms": -787541199597.0479 }, "end": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-01-17", "window": { "start": { "local": "1945-01-17T13:35:37+09:00", "utc": "1945-01-17T04:35:37Z", "ms": -787519462516.9043 }, "end": { "local": "1945-01-17T14:23:37+09:00", "utc": "1945-01-17T05:23:37Z", "ms": -787516582516.9043 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-01-18", "window": { "start": { "local": "1945-01-18T13:35:58+09:00", "utc": "1945-01-18T04:35:58Z", "ms": -787433042489.5239 }, "end": { "local": "1945-01-18T14:23:58+09:00", "utc": "1945-01-18T05:23:58Z", "ms": -787430162489.5239 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:33 on Wed 17 Jan to 05:01 on Thu 18 Jan.", "fact": "1945-01-16T22:33:20Z → 1945-01-17T20:00:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:36–14:24 on the 17th, 13:36–14:24 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21737 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1945: Wednesday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-17", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1945 falls on Wednesday 17 January. Caturthī runs from 07:33 on Wed 17 Jan to 05:01 on Thu 18 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29323, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-01-17T07:33:20+09:00", "utc": "1945-01-16T22:33:20Z", "ms": -787541199597.0479 }, "end": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-17T07:33:20+09:00", "utc": "1945-01-16T22:33:20Z", "ms": -787541199597.0479 }, "end": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-01-16", "window": { "start": { "local": "1945-01-16T18:59:32+09:00", "utc": "1945-01-16T09:59:32Z", "ms": -787586427805.4313 }, "end": { "local": "1945-01-16T20:51:26+09:00", "utc": "1945-01-16T11:51:26Z", "ms": -787579714329.2521 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "1945-01-17", "window": { "start": { "local": "1945-01-17T19:00:32+09:00", "utc": "1945-01-17T10:00:32Z", "ms": -787499968299.7217 }, "end": { "local": "1945-01-17T20:52:15+09:00", "utc": "1945-01-17T11:52:15Z", "ms": -787493265415.0784 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:33 on Wed 17 Jan to 05:01 on Thu 18 Jan.", "fact": "1945-01-16T22:33:20Z → 1945-01-17T20:00:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:51 on the 16th, 19:01–20:52 on the 17th.", "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 112 minutes on the 16th and 112 of 112 on the 17th.", "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 29323 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1945: Wednesday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-17", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1945 falls on Wednesday 17 January. Caturthī runs from 07:33 on Wed 17 Jan to 05:01 on Thu 18 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30900, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "end": { "local": "1945-01-19T02:29:13+09:00", "utc": "1945-01-18T17:29:13Z", "ms": -787386646620.0413 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "end": { "local": "1945-01-19T02:29:13+09:00", "utc": "1945-01-18T17:29:13Z", "ms": -787386646620.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-01-18", "window": { "start": { "local": "1945-01-18T13:35:58+09:00", "utc": "1945-01-18T04:35:58Z", "ms": -787433042489.5239 }, "end": { "local": "1945-01-18T14:23:58+09:00", "utc": "1945-01-18T05:23:58Z", "ms": -787430162489.5239 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-01-19", "window": { "start": { "local": "1945-01-19T13:36:17+09:00", "utc": "1945-01-19T04:36:17Z", "ms": -787346623204.3037 }, "end": { "local": "1945-01-19T14:24:17+09:00", "utc": "1945-01-19T05:24:17Z", "ms": -787343743204.3037 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:01 on Thu 18 Jan to 02:29 on Fri 19 Jan.", "fact": "1945-01-17T20:00:58Z → 1945-01-18T17:29:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:36–14:24 on the 18th, 13:36–14:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30900 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1945: Thursday 18 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-18", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1945 falls on Thursday 18 January. Pañcamī runs from 05:01 on Thu 18 Jan to 02:29 on Fri 19 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30900, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "end": { "local": "1945-01-19T02:29:13+09:00", "utc": "1945-01-18T17:29:13Z", "ms": -787386646620.0413 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-18T05:00:58+09:00", "utc": "1945-01-17T20:00:58Z", "ms": -787463942097.645 }, "end": { "local": "1945-01-19T02:29:13+09:00", "utc": "1945-01-18T17:29:13Z", "ms": -787386646620.0413 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-01-18", "window": { "start": { "local": "1945-01-18T13:35:58+09:00", "utc": "1945-01-18T04:35:58Z", "ms": -787433042489.5239 }, "end": { "local": "1945-01-18T14:23:58+09:00", "utc": "1945-01-18T05:23:58Z", "ms": -787430162489.5239 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-01-19", "window": { "start": { "local": "1945-01-19T13:36:17+09:00", "utc": "1945-01-19T04:36:17Z", "ms": -787346623204.3037 }, "end": { "local": "1945-01-19T14:24:17+09:00", "utc": "1945-01-19T05:24:17Z", "ms": -787343743204.3037 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:01 on Thu 18 Jan to 02:29 on Fri 19 Jan.", "fact": "1945-01-17T20:00:58Z → 1945-01-18T17:29:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:36–14:24 on the 18th, 13:36–14:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30900 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1945: Thursday 18 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-18", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1945 falls on Thursday 18 January. Pañcamī runs from 05:01 on Thu 18 Jan to 02:29 on Fri 19 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25347, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-01-20T00:03:50+09:00", "utc": "1945-01-19T15:03:50Z", "ms": -787308969878.8346 }, "end": { "local": "1945-01-20T21:49:35+09:00", "utc": "1945-01-20T12:49:35Z", "ms": -787230625436.4539 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-20T00:03:50+09:00", "utc": "1945-01-19T15:03:50Z", "ms": -787308969878.8346 }, "end": { "local": "1945-01-20T21:49:35+09:00", "utc": "1945-01-20T12:49:35Z", "ms": -787230625436.4539 } }, "kaala": "arunodaya", "days": [ { "local_date": "1945-01-20", "window": { "start": { "local": "1945-01-20T07:06:17+09:00", "utc": "1945-01-19T22:06:17Z", "ms": -787283623012.2943 }, "end": { "local": "1945-01-20T08:57:38+09:00", "utc": "1945-01-19T23:57:38Z", "ms": -787276942260.7537 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1945-01-21", "window": { "start": { "local": "1945-01-21T07:06:03+09:00", "utc": "1945-01-20T22:06:03Z", "ms": -787197237124.1958 }, "end": { "local": "1945-01-21T08:57:12+09:00", "utc": "1945-01-20T23:57:12Z", "ms": -787190567897.8029 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:04 on Sat 20 Jan to 21:50 on Sat 20 Jan.", "fact": "1945-01-19T15:03:50Z → 1945-01-20T12:49:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 07:06–08:58 on the 20th, 07:06–08:57 on the 21st.", "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 111 of 111 minutes on the 20th and 0 of 111 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25347 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1945: Saturday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-20", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1945 falls on Saturday 20 January. Saptamī runs from 00:04 on Sat 20 Jan to 21:50 on Sat 20 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-01-24", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24623, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-01-23T16:46:43+09:00", "utc": "1945-01-23T07:46:43Z", "ms": -786989597010.6519 }, "end": { "local": "1945-01-24T15:46:07+09:00", "utc": "1945-01-24T06:46:07Z", "ms": -786906832815.55 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-23T16:46:43+09:00", "utc": "1945-01-23T07:46:43Z", "ms": -786989597010.6519 }, "end": { "local": "1945-01-24T15:46:07+09:00", "utc": "1945-01-24T06:46:07Z", "ms": -786906832815.55 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-01-23", "window": { "start": { "local": "1945-01-23T08:56:15+09:00", "utc": "1945-01-22T23:56:15Z", "ms": -787017824759.2292 }, "end": { "local": "1945-01-23T08:56:15+09:00", "utc": "1945-01-22T23:56:15Z", "ms": -787017824759.2292 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-01-24", "window": { "start": { "local": "1945-01-24T08:55:44+09:00", "utc": "1945-01-23T23:55:44Z", "ms": -786931455940.0328 }, "end": { "local": "1945-01-24T08:55:44+09:00", "utc": "1945-01-23T23:55:44Z", "ms": -786931455940.0328 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:47 on Tue 23 Jan to 15:46 on Wed 24 Jan.", "fact": "1945-01-23T07:46:43Z → 1945-01-24T06:46:07Z" }, { "step": "kaala", "text": "Sunrise is at 08:56 on the 23rd and 08:56 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24623 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1945: Wednesday 24 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": "1945-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-24", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1945 falls on Wednesday 24 January. Ekādaśī runs from 16:47 on Tue 23 Jan to 15:46 on Wed 24 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2526, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-01-24T15:46:07+09:00", "utc": "1945-01-24T06:46:07Z", "ms": -786906832815.55 }, "end": { "local": "1945-01-25T15:08:02+09:00", "utc": "1945-01-25T06:08:02Z", "ms": -786822717844.7855 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-24T15:46:07+09:00", "utc": "1945-01-24T06:46:07Z", "ms": -786906832815.55 }, "end": { "local": "1945-01-25T15:08:02+09:00", "utc": "1945-01-25T06:08:02Z", "ms": -786822717844.7855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-01-24", "window": { "start": { "local": "1945-01-24T13:37:42+09:00", "utc": "1945-01-24T04:37:42Z", "ms": -786914538419.8076 }, "end": { "local": "1945-01-24T14:25:42+09:00", "utc": "1945-01-24T05:25:42Z", "ms": -786911658419.8076 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-01-25", "window": { "start": { "local": "1945-01-25T13:37:56+09:00", "utc": "1945-01-25T04:37:56Z", "ms": -786828123860.4314 }, "end": { "local": "1945-01-25T14:25:56+09:00", "utc": "1945-01-25T05:25:56Z", "ms": -786825243860.4314 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:46 on Wed 24 Jan to 15:08 on Thu 25 Jan.", "fact": "1945-01-24T06:46:07Z → 1945-01-25T06:08:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:38–14:26 on the 24th, 13:38–14:26 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2526 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1945: Thursday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-25", "confidence": "boundary" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1945 falls on Thursday 25 January. Dvādaśī runs from 15:46 on Wed 24 Jan to 15:08 on Thu 25 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-01-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14439, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-01-25T15:08:02+09:00", "utc": "1945-01-25T06:08:02Z", "ms": -786822717844.7855 }, "end": { "local": "1945-01-26T14:53:40+09:00", "utc": "1945-01-26T05:53:40Z", "ms": -786737179782.1561 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-25T15:08:02+09:00", "utc": "1945-01-25T06:08:02Z", "ms": -786822717844.7855 }, "end": { "local": "1945-01-26T14:53:40+09:00", "utc": "1945-01-26T05:53:40Z", "ms": -786737179782.1561 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-01-25", "window": { "start": { "local": "1945-01-25T19:08:41+09:00", "utc": "1945-01-25T10:08:41Z", "ms": -786808278798.8134 }, "end": { "local": "1945-01-25T20:58:49+09:00", "utc": "1945-01-25T11:58:49Z", "ms": -786801671449.5521 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1945-01-26", "window": { "start": { "local": "1945-01-26T19:09:43+09:00", "utc": "1945-01-26T10:09:43Z", "ms": -786721816548.4089 }, "end": { "local": "1945-01-26T20:59:38+09:00", "utc": "1945-01-26T11:59:38Z", "ms": -786715222366.6208 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:08 on Thu 25 Jan to 14:54 on Fri 26 Jan.", "fact": "1945-01-25T06:08:02Z → 1945-01-26T05:53:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:59 on the 25th, 19:10–21:00 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 110 of 110 minutes on the 25th and 0 of 110 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 14439 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Thursday 25 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": "1945-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Thursday 25 January. Trayodaśī runs from 15:08 on Thu 25 Jan to 14:54 on Fri 26 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2274, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-01-27T15:04:17+09:00", "utc": "1945-01-27T06:04:17Z", "ms": -786650142996.5773 }, "end": { "local": "1945-01-28T15:41:05+09:00", "utc": "1945-01-28T06:41:05Z", "ms": -786561535042.82 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1945-01-27T15:04:17+09:00", "utc": "1945-01-27T06:04:17Z", "ms": -786650142996.5773 }, "end": { "local": "1945-01-28T15:41:05+09:00", "utc": "1945-01-28T06:41:05Z", "ms": -786561535042.82 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-01-27", "window": { "start": { "local": "1945-01-27T13:38:23+09:00", "utc": "1945-01-27T04:38:23Z", "ms": -786655297182.7576 }, "end": { "local": "1945-01-27T14:26:23+09:00", "utc": "1945-01-27T05:26:23Z", "ms": -786652417182.7576 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-01-28", "window": { "start": { "local": "1945-01-28T13:38:35+09:00", "utc": "1945-01-28T04:38:35Z", "ms": -786568885068.4348 }, "end": { "local": "1945-01-28T14:26:35+09:00", "utc": "1945-01-28T05:26:35Z", "ms": -786566005068.4348 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:04 on Sat 27 Jan to 15:41 on Sun 28 Jan.", "fact": "1945-01-27T06:04:17Z → 1945-01-28T06:41:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:38–14:26 on the 27th, 13:39–14:27 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2274 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1945: Sunday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-28", "confidence": "boundary" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1945 falls on Sunday 28 January. Pūrṇimā runs from 15:04 on Sat 27 Jan to 15:41 on Sun 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-01-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2188, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-01-31T20:11:01+09:00", "utc": "1945-01-31T11:11:01Z", "ms": -786286139136.9504 }, "end": { "local": "1945-02-01T22:27:06+09:00", "utc": "1945-02-01T13:27:06Z", "ms": -786191574427.9326 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-01-31T20:11:01+09:00", "utc": "1945-01-31T11:11:01Z", "ms": -786286139136.9504 }, "end": { "local": "1945-02-01T22:27:06+09:00", "utc": "1945-02-01T13:27:06Z", "ms": -786191574427.9326 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-01-31", "window": { "start": { "local": "1945-01-31T22:07:59+09:00", "utc": "1945-01-31T13:07:59Z", "ms": -786279121388.9814 }, "end": { "local": "1945-01-31T22:07:59+09:00", "utc": "1945-01-31T13:07:59Z", "ms": -786279121388.9814 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-02-01", "window": { "start": { "local": "1945-02-01T23:03:33+09:00", "utc": "1945-02-01T14:03:33Z", "ms": -786189386527.8119 }, "end": { "local": "1945-02-01T23:03:33+09:00", "utc": "1945-02-01T14:03:33Z", "ms": -786189386527.8119 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:11 on Wed 31 Jan to 22:27 on Thu 1 Feb.", "fact": "1945-01-31T11:11:01Z → 1945-02-01T13:27:06Z" }, { "step": "kaala", "text": "Moonrise is at 22:08 on the 31st and 23:04 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2188 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Wednesday 31 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": "1945-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-01-31", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Wednesday 31 January. Caturthī runs from 20:11 on Wed 31 Jan to 22:27 on Thu 1 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-02-09", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4523, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-02-08T10:02:25+09:00", "utc": "1945-02-08T01:02:25Z", "ms": -785631455312.7666 }, "end": { "local": "1945-02-09T09:59:02+09:00", "utc": "1945-02-09T00:59:02Z", "ms": -785545258186.4092 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-08T10:02:25+09:00", "utc": "1945-02-08T01:02:25Z", "ms": -785631455312.7666 }, "end": { "local": "1945-02-09T09:59:02+09:00", "utc": "1945-02-09T00:59:02Z", "ms": -785545258186.4092 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-02-08", "window": { "start": { "local": "1945-02-08T08:44:36+09:00", "utc": "1945-02-07T23:44:36Z", "ms": -785636124173.0726 }, "end": { "local": "1945-02-08T08:44:36+09:00", "utc": "1945-02-07T23:44:36Z", "ms": -785636124173.0726 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-02-09", "window": { "start": { "local": "1945-02-09T08:43:39+09:00", "utc": "1945-02-08T23:43:39Z", "ms": -785549780768.6708 }, "end": { "local": "1945-02-09T08:43:39+09:00", "utc": "1945-02-08T23:43:39Z", "ms": -785549780768.6708 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:02 on Thu 8 Feb to 09:59 on Fri 9 Feb.", "fact": "1945-02-08T01:02:25Z → 1945-02-09T00:59:02Z" }, { "step": "kaala", "text": "Sunrise is at 08:45 on the 8th and 08:44 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 4523 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1945: Friday 9 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": "1945-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-09", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1945 falls on Friday 9 February. Ekādaśī runs from 10:02 on Thu 8 Feb to 09:59 on Fri 9 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-02-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-02-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37045, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-02-10T09:07:51+09:00", "utc": "1945-02-10T00:07:51Z", "ms": -785461929118.8226 }, "end": { "local": "1945-02-11T07:32:04+09:00", "utc": "1945-02-10T22:32:04Z", "ms": -785381276009.6976 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-10T09:07:51+09:00", "utc": "1945-02-10T00:07:51Z", "ms": -785461929118.8226 }, "end": { "local": "1945-02-11T07:32:04+09:00", "utc": "1945-02-10T22:32:04Z", "ms": -785381276009.6976 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-02-10", "window": { "start": { "local": "1945-02-10T19:25:16+09:00", "utc": "1945-02-10T10:25:16Z", "ms": -785424883654.3718 }, "end": { "local": "1945-02-10T21:11:28+09:00", "utc": "1945-02-10T12:11:28Z", "ms": -785418512226.2882 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1945-02-11", "window": { "start": { "local": "1945-02-11T19:26:17+09:00", "utc": "1945-02-11T10:26:17Z", "ms": -785338422579.497 }, "end": { "local": "1945-02-11T21:12:13+09:00", "utc": "1945-02-11T12:12:13Z", "ms": -785332067364.3923 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:08 on Sat 10 Feb to 07:32 on Sun 11 Feb.", "fact": "1945-02-10T00:07:51Z → 1945-02-10T22:32:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–21:11 on the 10th, 19:26–21:12 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 106 of 106 minutes on the 10th and 0 of 106 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 37045 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Saturday 10 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": "1945-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-10", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Saturday 10 February. Trayodaśī runs from 09:08 on Sat 10 Feb to 07:32 on Sun 11 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10218, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-02-11T07:32:04+09:00", "utc": "1945-02-10T22:32:04Z", "ms": -785381276009.6976 }, "end": { "local": "1945-02-12T05:17:47+09:00", "utc": "1945-02-11T20:17:47Z", "ms": -785302932551.2449 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-11T07:32:04+09:00", "utc": "1945-02-10T22:32:04Z", "ms": -785381276009.6976 }, "end": { "local": "1945-02-12T05:17:47+09:00", "utc": "1945-02-11T20:17:47Z", "ms": -785302932551.2449 } }, "kaala": "nishita", "days": [ { "local_date": "1945-02-10", "window": { "start": { "local": "1945-02-11T01:39:29+09:00", "utc": "1945-02-10T16:39:29Z", "ms": -785402430799.0581 }, "end": { "local": "1945-02-11T02:27:29+09:00", "utc": "1945-02-10T17:27:29Z", "ms": -785399550799.0581 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-02-11", "window": { "start": { "local": "1945-02-12T01:39:29+09:00", "utc": "1945-02-11T16:39:29Z", "ms": -785316030522.8545 }, "end": { "local": "1945-02-12T02:27:29+09:00", "utc": "1945-02-11T17:27:29Z", "ms": -785313150522.8545 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:32 on Sun 11 Feb to 05:18 on Mon 12 Feb.", "fact": "1945-02-10T22:32:04Z → 1945-02-11T20:17:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:39–02:27 on the 10th, 01:39–02:27 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 10218 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1945: Sunday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-11", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1945 falls on Sunday 11 February. Caturdaśī runs from 07:32 on Sun 11 Feb to 05:18 on Mon 12 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-02-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-16", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 219, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-02-15T16:52:58+09:00", "utc": "1945-02-15T07:52:58Z", "ms": -785002022353.3854 }, "end": { "local": "1945-02-16T13:43:32+09:00", "utc": "1945-02-16T04:43:32Z", "ms": -784926987654.3221 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-15T16:52:58+09:00", "utc": "1945-02-15T07:52:58Z", "ms": -785002022353.3854 }, "end": { "local": "1945-02-16T13:43:32+09:00", "utc": "1945-02-16T04:43:32Z", "ms": -784926987654.3221 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-02-15", "window": { "start": { "local": "1945-02-15T13:39:56+09:00", "utc": "1945-02-15T04:39:56Z", "ms": -785013604235.3691 }, "end": { "local": "1945-02-15T14:27:56+09:00", "utc": "1945-02-15T05:27:56Z", "ms": -785010724235.3691 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-02-16", "window": { "start": { "local": "1945-02-16T13:39:53+09:00", "utc": "1945-02-16T04:39:53Z", "ms": -784927207112.008 }, "end": { "local": "1945-02-16T14:27:53+09:00", "utc": "1945-02-16T05:27:53Z", "ms": -784924327112.008 } }, "covered_min": 4, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:53 on Thu 15 Feb to 13:44 on Fri 16 Feb.", "fact": "1945-02-15T07:52:58Z → 1945-02-16T04:43:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:40–14:28 on the 15th, 13:40–14:28 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 4 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 219 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Friday 16 February.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-02-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-16", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Friday 16 February. Caturthī runs from 16:53 on Thu 15 Feb to 13:44 on Fri 16 Feb and covers 4 of 48 minutes of madhyāhna that midday. It is 3 min 39 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-02-22", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15815, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-02-22T03:51:05+09:00", "utc": "1945-02-21T18:51:05Z", "ms": -784444135001.0458 }, "end": { "local": "1945-02-23T04:04:44+09:00", "utc": "1945-02-22T19:04:44Z", "ms": -784356915918.1029 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-22T03:51:05+09:00", "utc": "1945-02-21T18:51:05Z", "ms": -784444135001.0458 }, "end": { "local": "1945-02-23T04:04:44+09:00", "utc": "1945-02-22T19:04:44Z", "ms": -784356915918.1029 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-02-22", "window": { "start": { "local": "1945-02-22T08:29:32+09:00", "utc": "1945-02-21T23:29:32Z", "ms": -784427427927.8782 }, "end": { "local": "1945-02-22T08:29:32+09:00", "utc": "1945-02-21T23:29:32Z", "ms": -784427427927.8782 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-02-23", "window": { "start": { "local": "1945-02-23T08:28:19+09:00", "utc": "1945-02-22T23:28:19Z", "ms": -784341100619.1365 }, "end": { "local": "1945-02-23T08:28:19+09:00", "utc": "1945-02-22T23:28:19Z", "ms": -784341100619.1365 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:51 on Thu 22 Feb to 04:05 on Fri 23 Feb.", "fact": "1945-02-21T18:51:05Z → 1945-02-22T19:04:44Z" }, { "step": "kaala", "text": "Sunrise is at 08:30 on the 22nd and 08:28 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15815 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1945: Thursday 22 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": "1945-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-22", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1945 falls on Thursday 22 February. Ekādaśī runs from 03:51 on Thu 22 Feb to 04:05 on Fri 23 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-02-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26738, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-02-24T04:46:16+09:00", "utc": "1945-02-23T19:46:16Z", "ms": -784268024085.3695 }, "end": { "local": "1945-02-25T05:52:20+09:00", "utc": "1945-02-24T20:52:20Z", "ms": -784177659528.4846 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-24T04:46:16+09:00", "utc": "1945-02-23T19:46:16Z", "ms": -784268024085.3695 }, "end": { "local": "1945-02-25T05:52:20+09:00", "utc": "1945-02-24T20:52:20Z", "ms": -784177659528.4846 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-02-23", "window": { "start": { "local": "1945-02-23T19:38:06+09:00", "utc": "1945-02-23T10:38:06Z", "ms": -784300913816.0201 }, "end": { "local": "1945-02-23T21:20:38+09:00", "utc": "1945-02-23T12:20:38Z", "ms": -784294761869.947 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1945-02-24", "window": { "start": { "local": "1945-02-24T19:39:03+09:00", "utc": "1945-02-24T10:39:03Z", "ms": -784214457013.0752 }, "end": { "local": "1945-02-24T21:21:17+09:00", "utc": "1945-02-24T12:21:17Z", "ms": -784208322570.9573 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:46 on Sat 24 Feb to 05:52 on Sun 25 Feb.", "fact": "1945-02-23T19:46:16Z → 1945-02-24T20:52:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:38–21:21 on the 23rd, 19:39–21:21 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 23rd and 102 of 102 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26738 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Saturday 24 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": "1945-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Saturday 24 February. Trayodaśī runs from 04:46 on Sat 24 Feb to 05:52 on Sun 25 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29965, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-02-26T07:20:00+09:00", "utc": "1945-02-25T22:20:00Z", "ms": -784086000340.448 }, "end": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-26T07:20:00+09:00", "utc": "1945-02-25T22:20:00Z", "ms": -784086000340.448 }, "end": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 } }, "kaala": "sayahna", "days": [ { "local_date": "1945-02-26", "window": { "start": { "local": "1945-02-26T17:25:40+09:00", "utc": "1945-02-26T08:25:40Z", "ms": -784049660365.558 }, "end": { "local": "1945-02-26T19:40:56+09:00", "utc": "1945-02-26T10:40:56Z", "ms": -784041544453.2637 } }, "covered_min": 135, "window_min": 135, "qualifies": true }, { "local_date": "1945-02-27", "window": { "start": { "local": "1945-02-27T17:26:09+09:00", "utc": "1945-02-27T08:26:09Z", "ms": -783963230975.1993 }, "end": { "local": "1945-02-27T19:41:51+09:00", "utc": "1945-02-27T10:41:51Z", "ms": -783955088684.3092 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:20 on Mon 26 Feb to 09:07 on Tue 27 Feb.", "fact": "1945-02-25T22:20:00Z → 1945-02-27T00:06:44Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:26–19:41 on the 26th, 17:26–19:42 on the 27th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 135 of 135 minutes on the 26th and 0 of 136 on the 27th.", "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 29965 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1945: Monday 26 February.", "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": "1945-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-26", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1945 falls on Monday 26 February. Pūrṇimā runs from 07:20 on Mon 26 Feb to 09:07 on Tue 27 Feb and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29965, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-02-26T07:20:00+09:00", "utc": "1945-02-25T22:20:00Z", "ms": -784086000340.448 }, "end": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1945-02-26T07:20:00+09:00", "utc": "1945-02-25T22:20:00Z", "ms": -784086000340.448 }, "end": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 } }, "kaala": "sayahna", "days": [ { "local_date": "1945-02-26", "window": { "start": { "local": "1945-02-26T17:25:40+09:00", "utc": "1945-02-26T08:25:40Z", "ms": -784049660365.558 }, "end": { "local": "1945-02-26T19:40:56+09:00", "utc": "1945-02-26T10:40:56Z", "ms": -784041544453.2637 } }, "covered_min": 135, "window_min": 135, "qualifies": true }, { "local_date": "1945-02-27", "window": { "start": { "local": "1945-02-27T17:26:09+09:00", "utc": "1945-02-27T08:26:09Z", "ms": -783963230975.1993 }, "end": { "local": "1945-02-27T19:41:51+09:00", "utc": "1945-02-27T10:41:51Z", "ms": -783955088684.3092 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1945-02-26", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:20 on Mon 26 Feb to 09:07 on Tue 27 Feb.", "fact": "1945-02-25T22:20:00Z → 1945-02-27T00:06:44Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:26–19:41 on the 26th, 17:26–19:42 on the 27th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 135 of 135 minutes on the 26th and 0 of 136 on the 27th.", "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 29965 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 26 February is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1945: Tuesday 27 February.", "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": "1945-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-27", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1945 falls on Tuesday 27 February. It is kept the day after Holikā Dahana, which falls on Monday 26 February. Pūrṇimā runs from 07:20 on Mon 26 Feb to 09:07 on Tue 27 Feb and covers all of sāyāhna on the 26th.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2604, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 }, "end": { "local": "1945-02-28T11:10:16+09:00", "utc": "1945-02-28T02:10:16Z", "ms": -783899383961.1945 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-02-27T09:06:44+09:00", "utc": "1945-02-27T00:06:44Z", "ms": -783993195689.0156 }, "end": { "local": "1945-02-28T11:10:16+09:00", "utc": "1945-02-28T02:10:16Z", "ms": -783899383961.1945 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-02-27", "window": { "start": { "local": "1945-02-27T08:23:20+09:00", "utc": "1945-02-26T23:23:20Z", "ms": -783995800138.7598 }, "end": { "local": "1945-02-27T08:23:20+09:00", "utc": "1945-02-26T23:23:20Z", "ms": -783995800138.7598 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-02-28", "window": { "start": { "local": "1945-02-28T08:22:03+09:00", "utc": "1945-02-27T23:22:03Z", "ms": -783909477035.1776 }, "end": { "local": "1945-02-28T08:22:03+09:00", "utc": "1945-02-27T23:22:03Z", "ms": -783909477035.1776 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:07 on Tue 27 Feb to 11:10 on Wed 28 Feb.", "fact": "1945-02-27T00:06:44Z → 1945-02-28T02:10:16Z" }, { "step": "kaala", "text": "Sunrise is at 08:23 on the 27th and 08:22 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2604 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1945: Wednesday 28 February.", "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": "1945-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-02-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1945 falls on Wednesday 28 February. Pratipadā runs from 09:07 on Tue 27 Feb to 11:10 on Wed 28 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-03-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18821, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-03-02T15:55:17+09:00", "utc": "1945-03-02T06:55:17Z", "ms": -783709482708.4923 }, "end": { "local": "1945-03-03T18:26:38+09:00", "utc": "1945-03-03T09:26:38Z", "ms": -783614002040.4415 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-02T15:55:17+09:00", "utc": "1945-03-02T06:55:17Z", "ms": -783709482708.4923 }, "end": { "local": "1945-03-03T18:26:38+09:00", "utc": "1945-03-03T09:26:38Z", "ms": -783614002040.4415 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-03-02", "window": { "start": { "local": "1945-03-02T22:45:19+09:00", "utc": "1945-03-02T13:45:19Z", "ms": -783684881384.2834 }, "end": { "local": "1945-03-02T22:45:19+09:00", "utc": "1945-03-02T13:45:19Z", "ms": -783684881384.2834 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-03-03", "window": { "start": { "local": "1945-03-03T23:40:19+09:00", "utc": "1945-03-03T14:40:19Z", "ms": -783595180812.7716 }, "end": { "local": "1945-03-03T23:40:19+09:00", "utc": "1945-03-03T14:40:19Z", "ms": -783595180812.7716 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:55 on Fri 2 Mar to 18:27 on Sat 3 Mar.", "fact": "1945-03-02T06:55:17Z → 1945-03-03T09:26:38Z" }, { "step": "kaala", "text": "Moonrise is at 22:45 on the 2nd and 23:40 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18821 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Friday 2 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": "1945-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-02", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Friday 2 March. Caturthī runs from 15:55 on Fri 2 Mar to 18:27 on Sat 3 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37519, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-03-07T00:50:29+09:00", "utc": "1945-03-06T15:50:29Z", "ms": -783331771024.0264 }, "end": { "local": "1945-03-08T01:58:44+09:00", "utc": "1945-03-07T16:58:44Z", "ms": -783241275921.9952 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-07T00:50:29+09:00", "utc": "1945-03-06T15:50:29Z", "ms": -783331771024.0264 }, "end": { "local": "1945-03-08T01:58:44+09:00", "utc": "1945-03-07T16:58:44Z", "ms": -783241275921.9952 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-03-06", "window": { "start": { "local": "1945-03-06T13:37:10+09:00", "utc": "1945-03-06T04:37:10Z", "ms": -783372169933.8032 }, "end": { "local": "1945-03-06T14:25:10+09:00", "utc": "1945-03-06T05:25:10Z", "ms": -783369289933.8032 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-03-07", "window": { "start": { "local": "1945-03-07T13:36:56+09:00", "utc": "1945-03-07T04:36:56Z", "ms": -783285783941.9231 }, "end": { "local": "1945-03-07T14:24:56+09:00", "utc": "1945-03-07T05:24:56Z", "ms": -783282903941.9231 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:50 on Wed 7 Mar to 01:59 on Thu 8 Mar.", "fact": "1945-03-06T15:50:29Z → 1945-03-07T16:58:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:37–14:25 on the 6th, 13:37–14:25 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37519 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1945: Wednesday 7 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": "1945-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1945 falls on Wednesday 7 March. Aṣṭamī runs from 00:50 on Wed 7 Mar to 01:59 on Thu 8 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-03-10", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22449, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-03-10T01:54:29+09:00", "utc": "1945-03-09T16:54:29Z", "ms": -783068730666.4462 }, "end": { "local": "1945-03-11T00:36:49+09:00", "utc": "1945-03-10T15:36:49Z", "ms": -782986991052.76 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-10T01:54:29+09:00", "utc": "1945-03-09T16:54:29Z", "ms": -783068730666.4462 }, "end": { "local": "1945-03-11T00:36:49+09:00", "utc": "1945-03-10T15:36:49Z", "ms": -782986991052.76 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-03-10", "window": { "start": { "local": "1945-03-10T08:08:39+09:00", "utc": "1945-03-09T23:08:39Z", "ms": -783046281214.7775 }, "end": { "local": "1945-03-10T08:08:39+09:00", "utc": "1945-03-09T23:08:39Z", "ms": -783046281214.7775 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-03-11", "window": { "start": { "local": "1945-03-11T08:07:16+09:00", "utc": "1945-03-10T23:07:16Z", "ms": -782959964454.3306 }, "end": { "local": "1945-03-11T08:07:16+09:00", "utc": "1945-03-10T23:07:16Z", "ms": -782959964454.3306 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:54 on Sat 10 Mar to 00:37 on Sun 11 Mar.", "fact": "1945-03-09T16:54:29Z → 1945-03-10T15:36:49Z" }, { "step": "kaala", "text": "Sunrise is at 08:09 on the 10th and 08:07 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22449 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1945: Saturday 10 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": "1945-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-10", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1945 falls on Saturday 10 March. Ekādaśī runs from 01:54 on Sat 10 Mar to 00:37 on Sun 11 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-03-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-03-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-11", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 419, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-03-11T22:31:58+09:00", "utc": "1945-03-11T13:31:58Z", "ms": -782908082014.454 }, "end": { "local": "1945-03-12T19:46:30+09:00", "utc": "1945-03-12T10:46:30Z", "ms": -782831609589.2855 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-11T22:31:58+09:00", "utc": "1945-03-11T13:31:58Z", "ms": -782908082014.454 }, "end": { "local": "1945-03-12T19:46:30+09:00", "utc": "1945-03-12T10:46:30Z", "ms": -782831609589.2855 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-03-11", "window": { "start": { "local": "1945-03-11T19:52:37+09:00", "utc": "1945-03-11T10:52:37Z", "ms": -782917642841.6425 }, "end": { "local": "1945-03-11T21:30:23+09:00", "utc": "1945-03-11T12:30:23Z", "ms": -782911776874.3423 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1945-03-12", "window": { "start": { "local": "1945-03-12T19:53:29+09:00", "utc": "1945-03-12T10:53:29Z", "ms": -782831190714.4545 }, "end": { "local": "1945-03-12T21:30:57+09:00", "utc": "1945-03-12T12:30:57Z", "ms": -782825342897.1042 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:32 on Sun 11 Mar to 19:47 on Mon 12 Mar.", "fact": "1945-03-11T13:31:58Z → 1945-03-12T10:46:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:30 on the 11th, 19:53–21:31 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 11th and 0 of 97 on the 12th.", "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 419 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Sunday 11 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-03-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-11", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Sunday 11 March. Trayodaśī runs from 22:32 on Sun 11 Mar to 19:47 on Mon 12 Mar, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-03-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20908, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-03-12T19:46:30+09:00", "utc": "1945-03-12T10:46:30Z", "ms": -782831609589.2855 }, "end": { "local": "1945-03-13T16:29:20+09:00", "utc": "1945-03-13T07:29:20Z", "ms": -782757039575.7784 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-12T19:46:30+09:00", "utc": "1945-03-12T10:46:30Z", "ms": -782831609589.2855 }, "end": { "local": "1945-03-13T16:29:20+09:00", "utc": "1945-03-13T07:29:20Z", "ms": -782757039575.7784 } }, "kaala": "nishita", "days": [ { "local_date": "1945-03-12", "window": { "start": { "local": "1945-03-13T01:34:59+09:00", "utc": "1945-03-12T16:34:59Z", "ms": -782810701399.391 }, "end": { "local": "1945-03-13T02:22:59+09:00", "utc": "1945-03-12T17:22:59Z", "ms": -782807821399.391 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-03-13", "window": { "start": { "local": "1945-03-14T01:34:42+09:00", "utc": "1945-03-13T16:34:42Z", "ms": -782724317617.721 }, "end": { "local": "1945-03-14T02:22:42+09:00", "utc": "1945-03-13T17:22:42Z", "ms": -782721437617.721 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:47 on Mon 12 Mar to 16:29 on Tue 13 Mar.", "fact": "1945-03-12T10:46:30Z → 1945-03-13T07:29:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:35–02:23 on the 12th, 01:35–02:23 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20908 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Monday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-12", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Monday 12 March. Caturdaśī runs from 19:47 on Mon 12 Mar to 16:29 on Tue 13 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-03-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29226, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-03-17T01:40:49+09:00", "utc": "1945-03-16T16:40:49Z", "ms": -782464750717.4764 }, "end": { "local": "1945-03-17T22:29:24+09:00", "utc": "1945-03-17T13:29:24Z", "ms": -782389835911.7544 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-17T01:40:49+09:00", "utc": "1945-03-16T16:40:49Z", "ms": -782464750717.4764 }, "end": { "local": "1945-03-17T22:29:24+09:00", "utc": "1945-03-17T13:29:24Z", "ms": -782389835911.7544 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-03-16", "window": { "start": { "local": "1945-03-16T13:34:35+09:00", "utc": "1945-03-16T04:34:35Z", "ms": -782508325223.0247 }, "end": { "local": "1945-03-16T14:22:35+09:00", "utc": "1945-03-16T05:22:35Z", "ms": -782505445223.0247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-03-17", "window": { "start": { "local": "1945-03-17T13:34:18+09:00", "utc": "1945-03-17T04:34:18Z", "ms": -782421942304.8352 }, "end": { "local": "1945-03-17T14:22:18+09:00", "utc": "1945-03-17T05:22:18Z", "ms": -782419062304.8352 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:41 on Sat 17 Mar to 22:29 on Sat 17 Mar.", "fact": "1945-03-16T16:40:49Z → 1945-03-17T13:29:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:35–14:23 on the 16th, 13:34–14:22 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29226 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Saturday 17 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": "1945-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-17", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Saturday 17 March. Caturthī runs from 01:41 on Sat 17 Mar to 22:29 on Sat 17 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-03-24", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33005, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-03-23T17:00:18+09:00", "utc": "1945-03-23T08:00:18Z", "ms": -781891181595.548 }, "end": { "local": "1945-03-24T18:20:32+09:00", "utc": "1945-03-24T09:20:32Z", "ms": -781799967635.4738 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-23T17:00:18+09:00", "utc": "1945-03-23T08:00:18Z", "ms": -781891181595.548 }, "end": { "local": "1945-03-24T18:20:32+09:00", "utc": "1945-03-24T09:20:32Z", "ms": -781799967635.4738 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-03-23", "window": { "start": { "local": "1945-03-23T07:50:14+09:00", "utc": "1945-03-22T22:50:14Z", "ms": -781924186251.1588 }, "end": { "local": "1945-03-23T07:50:14+09:00", "utc": "1945-03-22T22:50:14Z", "ms": -781924186251.1588 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-03-24", "window": { "start": { "local": "1945-03-24T07:48:48+09:00", "utc": "1945-03-23T22:48:48Z", "ms": -781837872459.5526 }, "end": { "local": "1945-03-24T07:48:48+09:00", "utc": "1945-03-23T22:48:48Z", "ms": -781837872459.5526 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:00 on Fri 23 Mar to 18:21 on Sat 24 Mar.", "fact": "1945-03-23T08:00:18Z → 1945-03-24T09:20:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:50 on the 23rd and 07:49 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33005 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Qingyang, 1945: Saturday 24 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": "1945-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Ekādaśī 1945 falls on Saturday 24 March. Ekādaśī runs from 17:00 on Fri 23 Mar to 18:21 on Sat 24 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-03-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-03-26", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 42, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-03-25T20:05:10+09:00", "utc": "1945-03-25T11:05:10Z", "ms": -781707289605.9861 }, "end": { "local": "1945-03-26T22:07:33+09:00", "utc": "1945-03-26T13:07:33Z", "ms": -781613547340.9141 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-03-25T20:05:10+09:00", "utc": "1945-03-25T11:05:10Z", "ms": -781707289605.9861 }, "end": { "local": "1945-03-26T22:07:33+09:00", "utc": "1945-03-26T13:07:33Z", "ms": -781613547340.9141 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-03-25", "window": { "start": { "local": "1945-03-25T20:04:28+09:00", "utc": "1945-03-25T11:04:28Z", "ms": -781707331659.8901 }, "end": { "local": "1945-03-25T21:38:00+09:00", "utc": "1945-03-25T12:38:00Z", "ms": -781701720093.2881 } }, "covered_min": 93, "window_min": 94, "qualifies": true }, { "local_date": "1945-03-26", "window": { "start": { "local": "1945-03-26T20:05:18+09:00", "utc": "1945-03-26T11:05:18Z", "ms": -781620882075.9598 }, "end": { "local": "1945-03-26T21:38:31+09:00", "utc": "1945-03-26T12:38:31Z", "ms": -781615288611.1879 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:05 on Sun 25 Mar to 22:08 on Mon 26 Mar.", "fact": "1945-03-25T11:05:10Z → 1945-03-26T13:07:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:04–21:38 on the 25th, 20:05–21:39 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 93 of 94 minutes on the 25th and 93 of 93 on the 26th.", "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 42 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Monday 26 March.", "fact": "confidence: boundary (margin, 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": "1945-03-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-03-25", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Monday 26 March. Trayodaśī runs from 20:05 on Sun 25 Mar to 22:08 on Mon 26 Mar and covers all of pradoṣa that evening. It also reaches the previous evening for 93 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 42 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-04-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41330, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-04-01T09:58:52+09:00", "utc": "1945-04-01T00:58:52Z", "ms": -781138867545.1992 }, "end": { "local": "1945-04-02T12:09:28+09:00", "utc": "1945-04-02T03:09:28Z", "ms": -781044631500.1272 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-01T09:58:52+09:00", "utc": "1945-04-01T00:58:52Z", "ms": -781138867545.1992 }, "end": { "local": "1945-04-02T12:09:28+09:00", "utc": "1945-04-02T03:09:28Z", "ms": -781044631500.1272 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-03-31", "window": { "start": { "local": "1945-03-31T22:30:02+09:00", "utc": "1945-03-31T13:30:02Z", "ms": -781180197847.3888 }, "end": { "local": "1945-03-31T22:30:02+09:00", "utc": "1945-03-31T13:30:02Z", "ms": -781180197847.3888 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-04-01", "window": { "start": { "local": "1945-04-01T23:26:27+09:00", "utc": "1945-04-01T14:26:27Z", "ms": -781090412521.415 }, "end": { "local": "1945-04-01T23:26:27+09:00", "utc": "1945-04-01T14:26:27Z", "ms": -781090412521.415 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:59 on Sun 1 Apr to 12:09 on Mon 2 Apr.", "fact": "1945-04-01T00:58:52Z → 1945-04-02T03:09:28Z" }, { "step": "kaala", "text": "Moonrise is at 22:30 on the 31st and 23:26 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 41330 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Sunday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-01", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Sunday 1 April. Caturthī runs from 09:59 on Sun 1 Apr to 12:09 on Mon 2 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-04-09", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15123, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-04-08T13:56:22+09:00", "utc": "1945-04-08T04:56:22Z", "ms": -780519818169.4955 }, "end": { "local": "1945-04-09T11:38:09+09:00", "utc": "1945-04-09T02:38:09Z", "ms": -780441711049.9497 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-08T13:56:22+09:00", "utc": "1945-04-08T04:56:22Z", "ms": -780519818169.4955 }, "end": { "local": "1945-04-09T11:38:09+09:00", "utc": "1945-04-09T02:38:09Z", "ms": -780441711049.9497 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-04-08", "window": { "start": { "local": "1945-04-08T07:27:29+09:00", "utc": "1945-04-07T22:27:29Z", "ms": -780543150807.2633 }, "end": { "local": "1945-04-08T07:27:29+09:00", "utc": "1945-04-07T22:27:29Z", "ms": -780543150807.2633 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-04-09", "window": { "start": { "local": "1945-04-09T07:26:06+09:00", "utc": "1945-04-08T22:26:06Z", "ms": -780456833661.7062 }, "end": { "local": "1945-04-09T07:26:06+09:00", "utc": "1945-04-08T22:26:06Z", "ms": -780456833661.7062 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:56 on Sun 8 Apr to 11:38 on Mon 9 Apr.", "fact": "1945-04-08T04:56:22Z → 1945-04-09T02:38:09Z" }, { "step": "kaala", "text": "Sunrise is at 07:27 on the 8th and 07:26 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 15123 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Qingyang, 1945: Monday 9 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": "1945-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Ekādaśī 1945 falls on Monday 9 April. Ekādaśī runs from 13:56 on Sun 8 Apr to 11:38 on Mon 9 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-04-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-04-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26826, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-04-10T08:40:59+09:00", "utc": "1945-04-09T23:40:59Z", "ms": -780365940801.798 }, "end": { "local": "1945-04-11T05:13:30+09:00", "utc": "1945-04-10T20:13:30Z", "ms": -780291990297.7074 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-10T08:40:59+09:00", "utc": "1945-04-09T23:40:59Z", "ms": -780365940801.798 }, "end": { "local": "1945-04-11T05:13:30+09:00", "utc": "1945-04-10T20:13:30Z", "ms": -780291990297.7074 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-04-09", "window": { "start": { "local": "1945-04-09T20:16:48+09:00", "utc": "1945-04-09T11:16:48Z", "ms": -780410591676.4653 }, "end": { "local": "1945-04-09T21:45:52+09:00", "utc": "1945-04-09T12:45:52Z", "ms": -780405248260.1115 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1945-04-10", "window": { "start": { "local": "1945-04-10T20:17:38+09:00", "utc": "1945-04-10T11:17:38Z", "ms": -780324142191.8906 }, "end": { "local": "1945-04-10T21:46:24+09:00", "utc": "1945-04-10T12:46:24Z", "ms": -780318816293.8868 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:41 on Tue 10 Apr to 05:13 on Wed 11 Apr.", "fact": "1945-04-09T23:40:59Z → 1945-04-10T20:13:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:17–21:46 on the 9th, 20:18–21:46 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 9th and 89 of 89 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26826 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Tuesday 10 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": "1945-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-10", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Tuesday 10 April. Trayodaśī runs from 08:41 on Tue 10 Apr to 05:13 on Wed 11 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-04-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-10", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 18, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-04-11T05:13:30+09:00", "utc": "1945-04-10T20:13:30Z", "ms": -780291990297.7074 }, "end": { "local": "1945-04-12T01:25:56+09:00", "utc": "1945-04-11T16:25:56Z", "ms": -780219243984.0698 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": true, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-11T05:13:30+09:00", "utc": "1945-04-10T20:13:30Z", "ms": -780291990297.7074 }, "end": { "local": "1945-04-12T01:25:56+09:00", "utc": "1945-04-11T16:25:56Z", "ms": -780219243984.0698 } }, "kaala": "nishita", "days": [ { "local_date": "1945-04-10", "window": { "start": { "local": "1945-04-11T01:26:30+09:00", "utc": "1945-04-10T16:26:30Z", "ms": -780305610074.3765 }, "end": { "local": "1945-04-11T02:14:30+09:00", "utc": "1945-04-10T17:14:30Z", "ms": -780302730074.3765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-04-11", "window": { "start": { "local": "1945-04-12T01:26:14+09:00", "utc": "1945-04-11T16:26:14Z", "ms": -780219225999.0203 }, "end": { "local": "1945-04-12T02:14:14+09:00", "utc": "1945-04-11T17:14:14Z", "ms": -780216345999.0203 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:13 on Wed 11 Apr to 01:26 on Thu 12 Apr.", "fact": "1945-04-10T20:13:30Z → 1945-04-11T16:25:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:26–02:14 on the 10th, 01:26–02:14 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 18 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Tuesday 10 April.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-04-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-10", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Tuesday 10 April. Caturdaśī runs from 05:13 on Wed 11 Apr to 01:26 on Thu 12 Apr, and reaches niśītha on neither day. It is 0 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40107, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1945-04-13T18:29:06+09:00", "utc": "1945-04-13T09:29:06Z", "ms": -780071453658.8212 }, "end": { "local": "1945-05-14T15:27:32+09:00", "utc": "1945-05-14T06:27:32Z", "ms": -777403948081.6458 } }, "span": { "of": "transit", "start": { "local": "1945-04-13T18:29:06+09:00", "utc": "1945-04-13T09:29:06Z", "ms": -780071453658.8212 }, "end": { "local": "1945-04-13T18:29:06+09:00", "utc": "1945-04-13T09:29:06Z", "ms": -780071453658.8212 } }, "kaala": "day", "days": [ { "local_date": "1945-04-12", "window": { "start": { "local": "1945-04-12T07:22:01+09:00", "utc": "1945-04-11T22:22:01Z", "ms": -780197879345.1401 }, "end": { "local": "1945-04-13T07:20:40+09:00", "utc": "1945-04-12T22:20:40Z", "ms": -780111560193.6575 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1945-04-13", "window": { "start": { "local": "1945-04-13T07:20:40+09:00", "utc": "1945-04-12T22:20:40Z", "ms": -780111560193.6575 }, "end": { "local": "1945-04-14T07:19:20+09:00", "utc": "1945-04-13T22:19:20Z", "ms": -780025240477.6458 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:29 on Fri 13 Apr.", "fact": "1945-04-13T09:29:06Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:22 on the 12th, and from 07:21 on the 13th.", "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 12th.", "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 40107 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1945: Friday 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": "1945-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1945-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1945-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Vaiśākhī 1945 falls on Friday 13 April. The Sun enters Meṣa at 18:29 on Fri 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12092, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-04-12T21:29:32+09:00", "utc": "1945-04-12T12:29:32Z", "ms": -780147028094.5643 }, "end": { "local": "1945-04-13T17:35:55+09:00", "utc": "1945-04-13T08:35:55Z", "ms": -780074644659.7599 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-12T21:29:32+09:00", "utc": "1945-04-12T12:29:32Z", "ms": -780147028094.5643 }, "end": { "local": "1945-04-13T17:35:55+09:00", "utc": "1945-04-13T08:35:55Z", "ms": -780074644659.7599 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-12", "window": { "start": { "local": "1945-04-12T13:26:39+09:00", "utc": "1945-04-12T04:26:39Z", "ms": -780176001202.7377 }, "end": { "local": "1945-04-12T14:14:39+09:00", "utc": "1945-04-12T05:14:39Z", "ms": -780173121202.7377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-04-13", "window": { "start": { "local": "1945-04-13T13:26:23+09:00", "utc": "1945-04-13T04:26:23Z", "ms": -780089616805.0142 }, "end": { "local": "1945-04-13T14:14:23+09:00", "utc": "1945-04-13T05:14:23Z", "ms": -780086736805.0142 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:30 on Thu 12 Apr to 17:36 on Fri 13 Apr.", "fact": "1945-04-12T12:29:32Z → 1945-04-13T08:35:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 12th, 13:26–14:14 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12092 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1945: Friday 13 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": "1945-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1945 falls on Friday 13 April. Pratipadā runs from 21:30 on Thu 12 Apr to 17:36 on Fri 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1050, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-04-14T13:56:38+09:00", "utc": "1945-04-14T04:56:38Z", "ms": -780001402011.9613 }, "end": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-14T13:56:38+09:00", "utc": "1945-04-14T04:56:38Z", "ms": -780001402011.9613 }, "end": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-14", "window": { "start": { "local": "1945-04-14T13:26:08+09:00", "utc": "1945-04-14T04:26:08Z", "ms": -780003232100.8635 }, "end": { "local": "1945-04-14T14:14:08+09:00", "utc": "1945-04-14T05:14:08Z", "ms": -780000352100.8635 } }, "covered_min": 17, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-15", "window": { "start": { "local": "1945-04-15T13:25:53+09:00", "utc": "1945-04-15T04:25:53Z", "ms": -779916847079.429 }, "end": { "local": "1945-04-15T14:13:53+09:00", "utc": "1945-04-15T05:13:53Z", "ms": -779913967079.429 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr.", "fact": "1945-04-14T04:56:38Z → 1945-04-15T01:42:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 14th, 13:26–14:14 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 17 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1050 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1945: Saturday 14 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": "1945-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-14", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1945 falls on Saturday 14 April. Tṛtīyā runs from 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1050, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-04-14T13:56:38+09:00", "utc": "1945-04-14T04:56:38Z", "ms": -780001402011.9613 }, "end": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-14T13:56:38+09:00", "utc": "1945-04-14T04:56:38Z", "ms": -780001402011.9613 }, "end": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-14", "window": { "start": { "local": "1945-04-14T13:26:08+09:00", "utc": "1945-04-14T04:26:08Z", "ms": -780003232100.8635 }, "end": { "local": "1945-04-14T14:14:08+09:00", "utc": "1945-04-14T05:14:08Z", "ms": -780000352100.8635 } }, "covered_min": 17, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-15", "window": { "start": { "local": "1945-04-15T13:25:53+09:00", "utc": "1945-04-15T04:25:53Z", "ms": -779916847079.429 }, "end": { "local": "1945-04-15T14:13:53+09:00", "utc": "1945-04-15T05:13:53Z", "ms": -779913967079.429 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr.", "fact": "1945-04-14T04:56:38Z → 1945-04-15T01:42:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 14th, 13:26–14:14 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 17 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1050 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1945: Saturday 14 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": "1945-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-14", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1945 falls on Saturday 14 April. Tṛtīyā runs from 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-04-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9799, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 }, "end": { "local": "1945-04-16T08:03:23+09:00", "utc": "1945-04-15T23:03:23Z", "ms": -779849796906.485 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-15T10:42:34+09:00", "utc": "1945-04-15T01:42:34Z", "ms": -779926646139.697 }, "end": { "local": "1945-04-16T08:03:23+09:00", "utc": "1945-04-15T23:03:23Z", "ms": -779849796906.485 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-15", "window": { "start": { "local": "1945-04-15T13:25:53+09:00", "utc": "1945-04-15T04:25:53Z", "ms": -779916847079.429 }, "end": { "local": "1945-04-15T14:13:53+09:00", "utc": "1945-04-15T05:13:53Z", "ms": -779913967079.429 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-16", "window": { "start": { "local": "1945-04-16T13:25:38+09:00", "utc": "1945-04-16T04:25:38Z", "ms": -779830461729.3538 }, "end": { "local": "1945-04-16T14:13:38+09:00", "utc": "1945-04-16T05:13:38Z", "ms": -779827581729.3538 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:43 on Sun 15 Apr to 08:03 on Mon 16 Apr.", "fact": "1945-04-15T01:42:34Z → 1945-04-15T23:03:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 15th, 13:26–14:14 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9799 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Sunday 15 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": "1945-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-15", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Sunday 15 April. Caturthī runs from 10:43 on Sun 15 Apr to 08:03 on Mon 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19335, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-04-16T08:03:23+09:00", "utc": "1945-04-15T23:03:23Z", "ms": -779849796906.485 }, "end": { "local": "1945-04-17T06:06:49+09:00", "utc": "1945-04-16T21:06:49Z", "ms": -779770390772.9102 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-16T08:03:23+09:00", "utc": "1945-04-15T23:03:23Z", "ms": -779849796906.485 }, "end": { "local": "1945-04-17T06:06:49+09:00", "utc": "1945-04-16T21:06:49Z", "ms": -779770390772.9102 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-16", "window": { "start": { "local": "1945-04-16T13:25:38+09:00", "utc": "1945-04-16T04:25:38Z", "ms": -779830461729.3538 }, "end": { "local": "1945-04-16T14:13:38+09:00", "utc": "1945-04-16T05:13:38Z", "ms": -779827581729.3538 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-17", "window": { "start": { "local": "1945-04-17T13:25:24+09:00", "utc": "1945-04-17T04:25:24Z", "ms": -779744076038.4941 }, "end": { "local": "1945-04-17T14:13:24+09:00", "utc": "1945-04-17T05:13:24Z", "ms": -779741196038.4941 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:03 on Mon 16 Apr to 06:07 on Tue 17 Apr.", "fact": "1945-04-15T23:03:23Z → 1945-04-16T21:06:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 16th, 13:25–14:13 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19335 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1945: Monday 16 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": "1945-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-16", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1945 falls on Monday 16 April. Pañcamī runs from 08:03 on Mon 16 Apr to 06:07 on Tue 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29947, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-04-19T04:38:11+09:00", "utc": "1945-04-18T19:38:11Z", "ms": -779602908966.0931 }, "end": { "local": "1945-04-20T05:05:36+09:00", "utc": "1945-04-19T20:05:36Z", "ms": -779514864164.8258 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-19T04:38:11+09:00", "utc": "1945-04-18T19:38:11Z", "ms": -779602908966.0931 }, "end": { "local": "1945-04-20T05:05:36+09:00", "utc": "1945-04-19T20:05:36Z", "ms": -779514864164.8258 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-19", "window": { "start": { "local": "1945-04-19T13:24:56+09:00", "utc": "1945-04-19T04:24:56Z", "ms": -779571303581.8179 }, "end": { "local": "1945-04-19T14:12:56+09:00", "utc": "1945-04-19T05:12:56Z", "ms": -779568423581.8179 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-20", "window": { "start": { "local": "1945-04-20T13:24:43+09:00", "utc": "1945-04-20T04:24:43Z", "ms": -779484916788.181 }, "end": { "local": "1945-04-20T14:12:43+09:00", "utc": "1945-04-20T05:12:43Z", "ms": -779482036788.181 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:38 on Thu 19 Apr to 05:06 on Fri 20 Apr.", "fact": "1945-04-18T19:38:11Z → 1945-04-19T20:05:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 19th, 13:25–14:13 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29947 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1945: Thursday 19 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": "1945-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-19", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1945 falls on Thursday 19 April. Aṣṭamī runs from 04:38 on Thu 19 Apr to 05:06 on Fri 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25802, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1945-04-20T05:05:36+09:00", "utc": "1945-04-19T20:05:36Z", "ms": -779514864164.8258 }, "end": { "local": "1945-04-21T06:14:28+09:00", "utc": "1945-04-20T21:14:28Z", "ms": -779424332088.8452 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-20T05:05:36+09:00", "utc": "1945-04-19T20:05:36Z", "ms": -779514864164.8258 }, "end": { "local": "1945-04-21T06:14:28+09:00", "utc": "1945-04-20T21:14:28Z", "ms": -779424332088.8452 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-20", "window": { "start": { "local": "1945-04-20T13:24:43+09:00", "utc": "1945-04-20T04:24:43Z", "ms": -779484916788.181 }, "end": { "local": "1945-04-20T14:12:43+09:00", "utc": "1945-04-20T05:12:43Z", "ms": -779482036788.181 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-21", "window": { "start": { "local": "1945-04-21T13:24:30+09:00", "utc": "1945-04-21T04:24:30Z", "ms": -779398529598.5542 }, "end": { "local": "1945-04-21T14:12:30+09:00", "utc": "1945-04-21T05:12:30Z", "ms": -779395649598.5542 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:06 on Fri 20 Apr to 06:14 on Sat 21 Apr.", "fact": "1945-04-19T20:05:36Z → 1945-04-20T21:14:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 20th, 13:25–14:13 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25802 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1945: Friday 20 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": "1945-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-20", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1945 falls on Friday 20 April. Navamī runs from 05:06 on Fri 20 Apr to 06:14 on Sat 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-04-23", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2848, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-04-22T07:56:29+09:00", "utc": "1945-04-21T22:56:29Z", "ms": -779331811055.5454 }, "end": { "local": "1945-04-23T10:02:04+09:00", "utc": "1945-04-23T01:02:04Z", "ms": -779237876378.7351 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-22T07:56:29+09:00", "utc": "1945-04-21T22:56:29Z", "ms": -779331811055.5454 }, "end": { "local": "1945-04-23T10:02:04+09:00", "utc": "1945-04-23T01:02:04Z", "ms": -779237876378.7351 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-04-22", "window": { "start": { "local": "1945-04-22T07:09:01+09:00", "utc": "1945-04-21T22:09:01Z", "ms": -779334659211.3784 }, "end": { "local": "1945-04-22T07:09:01+09:00", "utc": "1945-04-21T22:09:01Z", "ms": -779334659211.3784 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-04-23", "window": { "start": { "local": "1945-04-23T07:07:47+09:00", "utc": "1945-04-22T22:07:47Z", "ms": -779248333177.3894 }, "end": { "local": "1945-04-23T07:07:47+09:00", "utc": "1945-04-22T22:07:47Z", "ms": -779248333177.3894 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:56 on Sun 22 Apr to 10:02 on Mon 23 Apr.", "fact": "1945-04-21T22:56:29Z → 1945-04-23T01:02:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 22nd and 07:08 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2848 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1945: Monday 23 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": "1945-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-23", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1945 falls on Monday 23 April. Ekādaśī runs from 07:56 on Sun 22 Apr to 10:02 on Mon 23 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2145, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-04-24T12:21:47+09:00", "utc": "1945-04-24T03:21:47Z", "ms": -779143093274.8325 }, "end": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-24T12:21:47+09:00", "utc": "1945-04-24T03:21:47Z", "ms": -779143093274.8325 }, "end": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-24", "window": { "start": { "local": "1945-04-24T13:23:54+09:00", "utc": "1945-04-24T04:23:54Z", "ms": -779139365509.1443 }, "end": { "local": "1945-04-24T14:11:54+09:00", "utc": "1945-04-24T05:11:54Z", "ms": -779136485509.1443 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-04-25", "window": { "start": { "local": "1945-04-25T13:23:43+09:00", "utc": "1945-04-25T04:23:43Z", "ms": -779052976591.5801 }, "end": { "local": "1945-04-25T14:11:43+09:00", "utc": "1945-04-25T05:11:43Z", "ms": -779050096591.5801 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:22 on Tue 24 Apr to 14:47 on Wed 25 Apr.", "fact": "1945-04-24T03:21:47Z → 1945-04-25T05:47:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:24–14:12 on the 24th, 13:24–14:12 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 48 of 48 on the 25th.", "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 2145 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1945: Tuesday 24 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": "1945-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-24", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1945 falls on Tuesday 24 April. Trayodaśī runs from 12:22 on Tue 24 Apr to 14:47 on Wed 25 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-04-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20556, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-04-24T12:21:47+09:00", "utc": "1945-04-24T03:21:47Z", "ms": -779143093274.8325 }, "end": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-24T12:21:47+09:00", "utc": "1945-04-24T03:21:47Z", "ms": -779143093274.8325 }, "end": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-04-24", "window": { "start": { "local": "1945-04-24T20:29:15+09:00", "utc": "1945-04-24T11:29:15Z", "ms": -779113844725.0131 }, "end": { "local": "1945-04-24T21:54:04+09:00", "utc": "1945-04-24T12:54:04Z", "ms": -779108755898.8422 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1945-04-25", "window": { "start": { "local": "1945-04-25T20:30:05+09:00", "utc": "1945-04-25T11:30:05Z", "ms": -779027394654.4287 }, "end": { "local": "1945-04-25T21:54:38+09:00", "utc": "1945-04-25T12:54:38Z", "ms": -779022322014.3007 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:22 on Tue 24 Apr to 14:47 on Wed 25 Apr.", "fact": "1945-04-24T03:21:47Z → 1945-04-25T05:47:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:29–21:54 on the 24th, 20:30–21:55 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 24th and 0 of 85 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20556 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Tuesday 24 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": "1945-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Tuesday 24 April. Trayodaśī runs from 12:22 on Tue 24 Apr to 14:47 on Wed 25 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2145, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 }, "end": { "local": "1945-04-26T17:12:45+09:00", "utc": "1945-04-26T08:12:45Z", "ms": -778952835490.9764 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-25T14:47:29+09:00", "utc": "1945-04-25T05:47:29Z", "ms": -779047951144.3136 }, "end": { "local": "1945-04-26T17:12:45+09:00", "utc": "1945-04-26T08:12:45Z", "ms": -778952835490.9764 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-25", "window": { "start": { "local": "1945-04-25T13:23:43+09:00", "utc": "1945-04-25T04:23:43Z", "ms": -779052976591.5801 }, "end": { "local": "1945-04-25T14:11:43+09:00", "utc": "1945-04-25T05:11:43Z", "ms": -779050096591.5801 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-04-26", "window": { "start": { "local": "1945-04-26T13:23:33+09:00", "utc": "1945-04-26T04:23:33Z", "ms": -778966587206.9442 }, "end": { "local": "1945-04-26T14:11:33+09:00", "utc": "1945-04-26T05:11:33Z", "ms": -778963707206.9442 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:47 on Wed 25 Apr to 17:13 on Thu 26 Apr.", "fact": "1945-04-25T05:47:29Z → 1945-04-26T08:12:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:24–14:12 on the 25th, 13:24–14:12 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2145 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1945: Thursday 26 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": "1945-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-26", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1945 falls on Thursday 26 April. Caturdaśī runs from 14:47 on Wed 25 Apr to 17:13 on Thu 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10872, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-04-26T17:12:45+09:00", "utc": "1945-04-26T08:12:45Z", "ms": -778952835490.9764 }, "end": { "local": "1945-04-27T19:32:42+09:00", "utc": "1945-04-27T10:32:42Z", "ms": -778858038143.0803 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1945-04-26T17:12:45+09:00", "utc": "1945-04-26T08:12:45Z", "ms": -778952835490.9764 }, "end": { "local": "1945-04-27T19:32:42+09:00", "utc": "1945-04-27T10:32:42Z", "ms": -778858038143.0803 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-04-26", "window": { "start": { "local": "1945-04-26T13:23:33+09:00", "utc": "1945-04-26T04:23:33Z", "ms": -778966587206.9442 }, "end": { "local": "1945-04-26T14:11:33+09:00", "utc": "1945-04-26T05:11:33Z", "ms": -778963707206.9442 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-04-27", "window": { "start": { "local": "1945-04-27T13:23:23+09:00", "utc": "1945-04-27T04:23:23Z", "ms": -778880197341.8276 }, "end": { "local": "1945-04-27T14:11:23+09:00", "utc": "1945-04-27T05:11:23Z", "ms": -778877317341.8276 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:13 on Thu 26 Apr to 19:33 on Fri 27 Apr.", "fact": "1945-04-26T08:12:45Z → 1945-04-27T10:32:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:24–14:12 on the 26th, 13:23–14:11 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10872 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1945: Friday 27 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": "1945-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1945 falls on Friday 27 April. Pūrṇimā runs from 17:13 on Thu 26 Apr to 19:33 on Fri 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-05-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7526, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-05-01T01:21:46+09:00", "utc": "1945-04-30T16:21:46Z", "ms": -778577894443.9033 }, "end": { "local": "1945-05-02T02:40:08+09:00", "utc": "1945-05-01T17:40:08Z", "ms": -778486792453.117 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-01T01:21:46+09:00", "utc": "1945-04-30T16:21:46Z", "ms": -778577894443.9033 }, "end": { "local": "1945-05-02T02:40:08+09:00", "utc": "1945-05-01T17:40:08Z", "ms": -778486792453.117 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-04-30", "window": { "start": { "local": "1945-04-30T23:16:19+09:00", "utc": "1945-04-30T14:16:19Z", "ms": -778585420723.235 }, "end": { "local": "1945-04-30T23:16:19+09:00", "utc": "1945-04-30T14:16:19Z", "ms": -778585420723.235 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-05-01", "window": { "start": { "local": "1945-05-02T00:13:31+09:00", "utc": "1945-05-01T15:13:31Z", "ms": -778495589194.625 }, "end": { "local": "1945-05-02T00:13:31+09:00", "utc": "1945-05-01T15:13:31Z", "ms": -778495589194.625 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:22 on Tue 1 May to 02:40 on Wed 2 May.", "fact": "1945-04-30T16:21:46Z → 1945-05-01T17:40:08Z" }, { "step": "kaala", "text": "Moonrise is at 23:16 on the 30th and 00:14 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7526 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Tuesday 1 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": "1945-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-01", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Tuesday 1 May. Caturthī runs from 01:22 on Tue 1 May to 02:40 on Wed 2 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-05-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-05-08", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30407, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-05-07T22:24:29+09:00", "utc": "1945-05-07T13:24:29Z", "ms": -777983731050.0948 }, "end": { "local": "1945-05-08T19:31:52+09:00", "utc": "1945-05-08T10:31:52Z", "ms": -777907688481.4009 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-07T22:24:29+09:00", "utc": "1945-05-07T13:24:29Z", "ms": -777983731050.0948 }, "end": { "local": "1945-05-08T19:31:52+09:00", "utc": "1945-05-08T10:31:52Z", "ms": -777907688481.4009 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-05-08", "window": { "start": { "local": "1945-05-08T06:51:16+09:00", "utc": "1945-05-07T21:51:16Z", "ms": -777953323854.5891 }, "end": { "local": "1945-05-08T06:51:16+09:00", "utc": "1945-05-07T21:51:16Z", "ms": -777953323854.5891 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-05-09", "window": { "start": { "local": "1945-05-09T06:50:19+09:00", "utc": "1945-05-08T21:50:19Z", "ms": -777866980659.7557 }, "end": { "local": "1945-05-09T06:50:19+09:00", "utc": "1945-05-08T21:50:19Z", "ms": -777866980659.7557 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:24 on Mon 7 May to 19:32 on Tue 8 May.", "fact": "1945-05-07T13:24:29Z → 1945-05-08T10:31:52Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 8th and 06:50 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30407 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1945: Tuesday 8 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": "1945-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-08", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1945 falls on Tuesday 8 May. Ekādaśī runs from 22:24 on Mon 7 May to 19:32 on Tue 8 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-05-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-05-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16077, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-05-09T16:13:49+09:00", "utc": "1945-05-09T07:13:49Z", "ms": -777833171398.5951 }, "end": { "local": "1945-05-10T12:39:18+09:00", "utc": "1945-05-10T03:39:18Z", "ms": -777759642194.1791 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-09T16:13:49+09:00", "utc": "1945-05-09T07:13:49Z", "ms": -777833171398.5951 }, "end": { "local": "1945-05-10T12:39:18+09:00", "utc": "1945-05-10T03:39:18Z", "ms": -777759642194.1791 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-05-09", "window": { "start": { "local": "1945-05-09T20:41:46+09:00", "utc": "1945-05-09T11:41:46Z", "ms": -777817094302.9939 }, "end": { "local": "1945-05-09T22:02:47+09:00", "utc": "1945-05-09T13:02:47Z", "ms": -777812233217.2151 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1945-05-10", "window": { "start": { "local": "1945-05-10T20:42:35+09:00", "utc": "1945-05-10T11:42:35Z", "ms": -777730644806.4619 }, "end": { "local": "1945-05-10T22:03:22+09:00", "utc": "1945-05-10T13:03:22Z", "ms": -777725797543.1898 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:14 on Wed 9 May to 12:39 on Thu 10 May.", "fact": "1945-05-09T07:13:49Z → 1945-05-10T03:39:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:42–22:03 on the 9th, 20:43–22:03 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 81 minutes on the 9th and 0 of 81 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16077 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Wednesday 9 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": "1945-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Wednesday 9 May. Trayodaśī runs from 16:14 on Wed 9 May to 12:39 on Thu 10 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-05-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24527, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-05-10T12:39:18+09:00", "utc": "1945-05-10T03:39:18Z", "ms": -777759642194.1791 }, "end": { "local": "1945-05-11T08:58:20+09:00", "utc": "1945-05-10T23:58:20Z", "ms": -777686500369.3596 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-10T12:39:18+09:00", "utc": "1945-05-10T03:39:18Z", "ms": -777759642194.1791 }, "end": { "local": "1945-05-11T08:58:20+09:00", "utc": "1945-05-10T23:58:20Z", "ms": -777686500369.3596 } }, "kaala": "nishita", "days": [ { "local_date": "1945-05-09", "window": { "start": { "local": "1945-05-10T01:21:35+09:00", "utc": "1945-05-09T16:21:35Z", "ms": -777800305231.3232 }, "end": { "local": "1945-05-10T02:09:35+09:00", "utc": "1945-05-09T17:09:35Z", "ms": -777797425231.3232 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-05-10", "window": { "start": { "local": "1945-05-11T01:21:32+09:00", "utc": "1945-05-10T16:21:32Z", "ms": -777713907569.1914 }, "end": { "local": "1945-05-11T02:09:32+09:00", "utc": "1945-05-10T17:09:32Z", "ms": -777711027569.1914 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:39 on Thu 10 May to 08:58 on Fri 11 May.", "fact": "1945-05-10T03:39:18Z → 1945-05-10T23:58:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:22–02:10 on the 9th, 01:22–02:10 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24527 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Thursday 10 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": "1945-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-10", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Thursday 10 May. Caturdaśī runs from 12:39 on Thu 10 May to 08:58 on Fri 11 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-13", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 419, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-05-13T23:02:02+09:00", "utc": "1945-05-13T14:02:02Z", "ms": -777463077754.9103 }, "end": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-13T23:02:02+09:00", "utc": "1945-05-13T14:02:02Z", "ms": -777463077754.9103 }, "end": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-05-13", "window": { "start": { "local": "1945-05-13T20:45:02+09:00", "utc": "1945-05-13T11:45:02Z", "ms": -777471297508.1011 }, "end": { "local": "1945-05-13T22:05:10+09:00", "utc": "1945-05-13T13:05:10Z", "ms": -777466490465.586 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "1945-05-14", "window": { "start": { "local": "1945-05-14T20:45:51+09:00", "utc": "1945-05-14T11:45:51Z", "ms": -777384848907.354 }, "end": { "local": "1945-05-14T22:05:45+09:00", "utc": "1945-05-14T13:05:45Z", "ms": -777380054834.0962 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:02 on Sun 13 May to 20:39 on Mon 14 May.", "fact": "1945-05-13T14:02:02Z → 1945-05-14T11:38:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:45–22:05 on the 13th, 20:46–22:06 on the 14th.", "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 80 minutes on the 13th and 0 of 80 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 419 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1945: Sunday 13 May.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1945-05-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-13", "confidence": "boundary" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1945 falls on Sunday 13 May. Tṛtīyā runs from 23:02 on Sun 13 May to 20:39 on Mon 14 May, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27833, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-05-13T23:02:02+09:00", "utc": "1945-05-13T14:02:02Z", "ms": -777463077754.9103 }, "end": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-13T23:02:02+09:00", "utc": "1945-05-13T14:02:02Z", "ms": -777463077754.9103 }, "end": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 } }, "kaala": "purvahna", "days": [ { "local_date": "1945-05-14", "window": { "start": { "local": "1945-05-14T06:45:55+09:00", "utc": "1945-05-13T21:45:55Z", "ms": -777435244689.2388 }, "end": { "local": "1945-05-14T11:25:54+09:00", "utc": "1945-05-14T02:25:54Z", "ms": -777418446095.2772 } }, "covered_min": 280, "window_min": 280, "qualifies": true }, { "local_date": "1945-05-15", "window": { "start": { "local": "1945-05-15T06:45:07+09:00", "utc": "1945-05-14T21:45:07Z", "ms": -777348893357.9202 }, "end": { "local": "1945-05-15T11:25:38+09:00", "utc": "1945-05-15T02:25:38Z", "ms": -777332062441.5374 } }, "covered_min": 0, "window_min": 281, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:02 on Sun 13 May to 20:39 on Mon 14 May.", "fact": "1945-05-13T14:02:02Z → 1945-05-14T11:38:53Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:46–11:26 on the 14th, 06:45–11:26 on the 15th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 280 of 280 minutes on the 14th and 0 of 281 on the 15th.", "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 27833 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1945: Monday 14 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": "1945-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-14", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1945 falls on Monday 14 May. Tṛtīyā runs from 23:02 on Sun 13 May to 20:39 on Mon 14 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-05-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17246, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 }, "end": { "local": "1945-05-15T18:57:19+09:00", "utc": "1945-05-15T09:57:19Z", "ms": -777304960948.6228 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-14T20:38:53+09:00", "utc": "1945-05-14T11:38:53Z", "ms": -777385267419.6077 }, "end": { "local": "1945-05-15T18:57:19+09:00", "utc": "1945-05-15T09:57:19Z", "ms": -777304960948.6228 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-14", "window": { "start": { "local": "1945-05-14T13:21:53+09:00", "utc": "1945-05-14T04:21:53Z", "ms": -777411486798.2964 }, "end": { "local": "1945-05-14T14:09:53+09:00", "utc": "1945-05-14T05:09:53Z", "ms": -777408606798.2964 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-05-15", "window": { "start": { "local": "1945-05-15T13:21:53+09:00", "utc": "1945-05-15T04:21:53Z", "ms": -777325086983.346 }, "end": { "local": "1945-05-15T14:09:53+09:00", "utc": "1945-05-15T05:09:53Z", "ms": -777322206983.346 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:39 on Mon 14 May to 18:57 on Tue 15 May.", "fact": "1945-05-14T11:38:53Z → 1945-05-15T09:57:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 14th, 13:22–14:10 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17246 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Tuesday 15 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": "1945-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Tuesday 15 May. Caturthī runs from 20:39 on Mon 14 May to 18:57 on Tue 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13951, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-05-15T18:57:19+09:00", "utc": "1945-05-15T09:57:19Z", "ms": -777304960948.6228 }, "end": { "local": "1945-05-16T18:02:25+09:00", "utc": "1945-05-16T09:02:25Z", "ms": -777221855247.6339 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-15T18:57:19+09:00", "utc": "1945-05-15T09:57:19Z", "ms": -777304960948.6228 }, "end": { "local": "1945-05-16T18:02:25+09:00", "utc": "1945-05-16T09:02:25Z", "ms": -777221855247.6339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-15", "window": { "start": { "local": "1945-05-15T13:21:53+09:00", "utc": "1945-05-15T04:21:53Z", "ms": -777325086983.346 }, "end": { "local": "1945-05-15T14:09:53+09:00", "utc": "1945-05-15T05:09:53Z", "ms": -777322206983.346 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-05-16", "window": { "start": { "local": "1945-05-16T13:21:53+09:00", "utc": "1945-05-16T04:21:53Z", "ms": -777238686623.0112 }, "end": { "local": "1945-05-16T14:09:53+09:00", "utc": "1945-05-16T05:09:53Z", "ms": -777235806623.0112 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:57 on Tue 15 May to 18:02 on Wed 16 May.", "fact": "1945-05-15T09:57:19Z → 1945-05-16T09:02:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 15th, 13:22–14:10 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13951 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1945: Wednesday 16 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": "1945-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-16", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1945 falls on Wednesday 16 May. Pañcamī runs from 18:57 on Tue 15 May to 18:02 on Wed 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13566, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-05-17T17:56:00+09:00", "utc": "1945-05-17T08:56:00Z", "ms": -777135840054.0021 }, "end": { "local": "1945-05-18T18:36:10+09:00", "utc": "1945-05-18T09:36:10Z", "ms": -777047030042.1736 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-17T17:56:00+09:00", "utc": "1945-05-17T08:56:00Z", "ms": -777135840054.0021 }, "end": { "local": "1945-05-18T18:36:10+09:00", "utc": "1945-05-18T09:36:10Z", "ms": -777047030042.1736 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-17", "window": { "start": { "local": "1945-05-17T13:21:54+09:00", "utc": "1945-05-17T04:21:54Z", "ms": -777152285722.7612 }, "end": { "local": "1945-05-17T14:09:54+09:00", "utc": "1945-05-17T05:09:54Z", "ms": -777149405722.7612 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-05-18", "window": { "start": { "local": "1945-05-18T13:21:56+09:00", "utc": "1945-05-18T04:21:56Z", "ms": -777065884287.7676 }, "end": { "local": "1945-05-18T14:09:56+09:00", "utc": "1945-05-18T05:09:56Z", "ms": -777063004287.7676 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:56 on Thu 17 May to 18:36 on Fri 18 May.", "fact": "1945-05-17T08:56:00Z → 1945-05-18T09:36:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 17th, 13:22–14:10 on the 18th.", "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 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 13566 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1945: Friday 18 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": "1945-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-18", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1945 falls on Friday 18 May. Saptamī runs from 17:56 on Thu 17 May to 18:36 on Fri 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-05-22", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15079, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-05-22T00:04:16+09:00", "utc": "1945-05-21T15:04:16Z", "ms": -776768144225.4277 }, "end": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-22T00:04:16+09:00", "utc": "1945-05-21T15:04:16Z", "ms": -776768144225.4277 }, "end": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-05-22", "window": { "start": { "local": "1945-05-22T06:40:07+09:00", "utc": "1945-05-21T21:40:07Z", "ms": -776744393029.52 }, "end": { "local": "1945-05-22T06:40:07+09:00", "utc": "1945-05-21T21:40:07Z", "ms": -776744393029.52 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-05-23", "window": { "start": { "local": "1945-05-23T06:39:30+09:00", "utc": "1945-05-22T21:39:30Z", "ms": -776658029746.6443 }, "end": { "local": "1945-05-23T06:39:30+09:00", "utc": "1945-05-22T21:39:30Z", "ms": -776658029746.6443 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:04 on Tue 22 May to 02:28 on Wed 23 May.", "fact": "1945-05-21T15:04:16Z → 1945-05-22T17:28:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 22nd and 06:40 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15079 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1945: Tuesday 22 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": "1945-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-22", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1945 falls on Tuesday 22 May. Ekādaśī runs from 00:04 on Tue 22 May to 02:28 on Wed 23 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30630, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 }, "end": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 }, "end": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-23", "window": { "start": { "local": "1945-05-23T13:22:11+09:00", "utc": "1945-05-23T04:22:11Z", "ms": -776633869274.8818 }, "end": { "local": "1945-05-23T14:10:11+09:00", "utc": "1945-05-23T05:10:11Z", "ms": -776630989274.8818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-05-24", "window": { "start": { "local": "1945-05-24T13:22:15+09:00", "utc": "1945-05-24T04:22:15Z", "ms": -776547464745.0072 }, "end": { "local": "1945-05-24T14:10:15+09:00", "utc": "1945-05-24T05:10:15Z", "ms": -776544584745.0072 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:28 on Wed 23 May to 04:52 on Thu 24 May.", "fact": "1945-05-22T17:28:11Z → 1945-05-23T19:51:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 23rd, 13:22–14:10 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30630 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1945: Wednesday 23 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": "1945-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1945 falls on Wednesday 23 May. Dvādaśī runs from 02:28 on Wed 23 May to 04:52 on Thu 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30630, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 }, "end": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-23T02:28:11+09:00", "utc": "1945-05-22T17:28:11Z", "ms": -776673108961.1777 }, "end": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-23", "window": { "start": { "local": "1945-05-23T13:22:11+09:00", "utc": "1945-05-23T04:22:11Z", "ms": -776633869274.8818 }, "end": { "local": "1945-05-23T14:10:11+09:00", "utc": "1945-05-23T05:10:11Z", "ms": -776630989274.8818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-05-24", "window": { "start": { "local": "1945-05-24T13:22:15+09:00", "utc": "1945-05-24T04:22:15Z", "ms": -776547464745.0072 }, "end": { "local": "1945-05-24T14:10:15+09:00", "utc": "1945-05-24T05:10:15Z", "ms": -776544584745.0072 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:28 on Wed 23 May to 04:52 on Thu 24 May.", "fact": "1945-05-22T17:28:11Z → 1945-05-23T19:51:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 23rd, 13:22–14:10 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30630 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1945: Wednesday 23 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": "1945-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1945 falls on Wednesday 23 May. Dvādaśī runs from 02:28 on Wed 23 May to 04:52 on Thu 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-05-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24045, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 }, "end": { "local": "1945-05-25T07:06:43+09:00", "utc": "1945-05-24T22:06:43Z", "ms": -776483596942.931 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-24T04:51:45+09:00", "utc": "1945-05-23T19:51:45Z", "ms": -776578095203.2113 }, "end": { "local": "1945-05-25T07:06:43+09:00", "utc": "1945-05-24T22:06:43Z", "ms": -776483596942.931 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-05-23", "window": { "start": { "local": "1945-05-23T20:52:51+09:00", "utc": "1945-05-23T11:52:51Z", "ms": -776606828803.1194 }, "end": { "local": "1945-05-23T22:11:00+09:00", "utc": "1945-05-23T13:11:00Z", "ms": -776602140280.7848 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1945-05-24", "window": { "start": { "local": "1945-05-24T20:53:35+09:00", "utc": "1945-05-24T11:53:35Z", "ms": -776520384604.4047 }, "end": { "local": "1945-05-24T22:11:34+09:00", "utc": "1945-05-24T13:11:34Z", "ms": -776515706447.7988 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:52 on Thu 24 May to 07:07 on Fri 25 May.", "fact": "1945-05-23T19:51:45Z → 1945-05-24T22:06:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:53–22:11 on the 23rd, 20:54–22:12 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 23rd and 78 of 78 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24045 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Thursday 24 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": "1945-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Thursday 24 May. Trayodaśī runs from 04:52 on Thu 24 May to 07:07 on Fri 25 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32110, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-05-25T07:06:43+09:00", "utc": "1945-05-24T22:06:43Z", "ms": -776483596942.931 }, "end": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-25T07:06:43+09:00", "utc": "1945-05-24T22:06:43Z", "ms": -776483596942.931 }, "end": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-05-24", "window": { "start": { "local": "1945-05-24T20:53:35+09:00", "utc": "1945-05-24T11:53:35Z", "ms": -776520384604.4047 }, "end": { "local": "1945-05-24T22:11:34+09:00", "utc": "1945-05-24T13:11:34Z", "ms": -776515706447.7988 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1945-05-25", "window": { "start": { "local": "1945-05-25T20:54:19+09:00", "utc": "1945-05-25T11:54:19Z", "ms": -776433941012.6262 }, "end": { "local": "1945-05-25T22:12:07+09:00", "utc": "1945-05-25T13:12:07Z", "ms": -776429272926.0936 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:07 on Fri 25 May to 09:07 on Sat 26 May.", "fact": "1945-05-24T22:06:43Z → 1945-05-26T00:07:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:54–22:12 on the 24th, 20:54–22:12 on the 25th.", "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 78 minutes on the 24th and 78 of 78 on the 25th.", "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 32110 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1945: Friday 25 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": "1945-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-25", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1945 falls on Friday 25 May. Caturdaśī runs from 07:07 on Fri 25 May to 09:07 on Sat 26 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9222, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 }, "end": { "local": "1945-05-27T10:48:50+09:00", "utc": "1945-05-27T01:48:50Z", "ms": -776297470460.1798 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 }, "end": { "local": "1945-05-27T10:48:50+09:00", "utc": "1945-05-27T01:48:50Z", "ms": -776297470460.1798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-26", "window": { "start": { "local": "1945-05-26T13:22:26+09:00", "utc": "1945-05-26T04:22:26Z", "ms": -776374654210.9944 }, "end": { "local": "1945-05-26T14:10:26+09:00", "utc": "1945-05-26T05:10:26Z", "ms": -776371774210.9944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-05-27", "window": { "start": { "local": "1945-05-27T13:22:32+09:00", "utc": "1945-05-27T04:22:32Z", "ms": -776288248222.1661 }, "end": { "local": "1945-05-27T14:10:32+09:00", "utc": "1945-05-27T05:10:32Z", "ms": -776285368222.1661 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:07 on Sat 26 May to 10:49 on Sun 27 May.", "fact": "1945-05-26T00:07:06Z → 1945-05-27T01:48:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 26th, 13:23–14:11 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9222 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1945: Saturday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1945 falls on Saturday 26 May. Pūrṇimā runs from 09:07 on Sat 26 May to 10:49 on Sun 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9222, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 }, "end": { "local": "1945-05-27T10:48:50+09:00", "utc": "1945-05-27T01:48:50Z", "ms": -776297470460.1798 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-26T09:07:06+09:00", "utc": "1945-05-26T00:07:06Z", "ms": -776389974280.1217 }, "end": { "local": "1945-05-27T10:48:50+09:00", "utc": "1945-05-27T01:48:50Z", "ms": -776297470460.1798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-05-26", "window": { "start": { "local": "1945-05-26T13:22:26+09:00", "utc": "1945-05-26T04:22:26Z", "ms": -776374654210.9944 }, "end": { "local": "1945-05-26T14:10:26+09:00", "utc": "1945-05-26T05:10:26Z", "ms": -776371774210.9944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-05-27", "window": { "start": { "local": "1945-05-27T13:22:32+09:00", "utc": "1945-05-27T04:22:32Z", "ms": -776288248222.1661 }, "end": { "local": "1945-05-27T14:10:32+09:00", "utc": "1945-05-27T05:10:32Z", "ms": -776285368222.1661 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:07 on Sat 26 May to 10:49 on Sun 27 May.", "fact": "1945-05-26T00:07:06Z → 1945-05-27T01:48:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 26th, 13:23–14:11 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9222 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1945: Saturday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1945 falls on Saturday 26 May. Pūrṇimā runs from 09:07 on Sat 26 May to 10:49 on Sun 27 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-05-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37203, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-05-30T13:38:22+09:00", "utc": "1945-05-30T04:38:22Z", "ms": -776028097789.462 }, "end": { "local": "1945-05-31T13:43:45+09:00", "utc": "1945-05-31T04:43:45Z", "ms": -775941374749.6351 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-05-30T13:38:22+09:00", "utc": "1945-05-30T04:38:22Z", "ms": -776028097789.462 }, "end": { "local": "1945-05-31T13:43:45+09:00", "utc": "1945-05-31T04:43:45Z", "ms": -775941374749.6351 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-05-30", "window": { "start": { "local": "1945-05-30T23:58:25+09:00", "utc": "1945-05-30T14:58:25Z", "ms": -775990894774.0665 }, "end": { "local": "1945-05-30T23:58:25+09:00", "utc": "1945-05-30T14:58:25Z", "ms": -775990894774.0665 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-05-31", "window": { "start": { "local": "1945-06-01T00:47:20+09:00", "utc": "1945-05-31T15:47:20Z", "ms": -775901559908.2167 }, "end": { "local": "1945-06-01T00:47:20+09:00", "utc": "1945-05-31T15:47:20Z", "ms": -775901559908.2167 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:38 on Wed 30 May to 13:44 on Thu 31 May.", "fact": "1945-05-30T04:38:22Z → 1945-05-31T04:43:45Z" }, { "step": "kaala", "text": "Moonrise is at 23:58 on the 30th and 00:47 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37203 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Wednesday 30 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": "1945-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-05-30", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Wednesday 30 May. Caturthī runs from 13:38 on Wed 30 May to 13:44 on Thu 31 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-06-06", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7987, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-06-06T04:20:41+09:00", "utc": "1945-06-05T19:20:41Z", "ms": -775456758722.7936 }, "end": { "local": "1945-06-07T01:25:12+09:00", "utc": "1945-06-06T16:25:12Z", "ms": -775380887715.9832 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-06T04:20:41+09:00", "utc": "1945-06-05T19:20:41Z", "ms": -775456758722.7936 }, "end": { "local": "1945-06-07T01:25:12+09:00", "utc": "1945-06-06T16:25:12Z", "ms": -775380887715.9832 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-06-06", "window": { "start": { "local": "1945-06-06T06:33:48+09:00", "utc": "1945-06-05T21:33:48Z", "ms": -775448771785.2937 }, "end": { "local": "1945-06-06T06:33:48+09:00", "utc": "1945-06-05T21:33:48Z", "ms": -775448771785.2937 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-06-07", "window": { "start": { "local": "1945-06-07T06:33:36+09:00", "utc": "1945-06-06T21:33:36Z", "ms": -775362383540.5037 }, "end": { "local": "1945-06-07T06:33:36+09:00", "utc": "1945-06-06T21:33:36Z", "ms": -775362383540.5037 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:21 on Wed 6 Jun to 01:25 on Thu 7 Jun.", "fact": "1945-06-05T19:20:41Z → 1945-06-06T16:25:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 6th and 06:34 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7987 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1945: Wednesday 6 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": "1945-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-06", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1945 falls on Wednesday 6 June. Ekādaśī runs from 04:21 on Wed 6 Jun to 01:25 on Thu 7 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-06-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-07", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 73, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-06-07T22:19:55+09:00", "utc": "1945-06-07T13:19:55Z", "ms": -775305604752.2798 }, "end": { "local": "1945-06-08T19:12:36+09:00", "utc": "1945-06-08T10:12:36Z", "ms": -775230444066.0466 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-07T22:19:55+09:00", "utc": "1945-06-07T13:19:55Z", "ms": -775305604752.2798 }, "end": { "local": "1945-06-08T19:12:36+09:00", "utc": "1945-06-08T10:12:36Z", "ms": -775230444066.0466 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-06-07", "window": { "start": { "local": "1945-06-07T21:02:36+09:00", "utc": "1945-06-07T12:02:36Z", "ms": -775310244018.4673 }, "end": { "local": "1945-06-07T22:18:43+09:00", "utc": "1945-06-07T13:18:43Z", "ms": -775305677294.9232 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1945-06-08", "window": { "start": { "local": "1945-06-08T21:03:08+09:00", "utc": "1945-06-08T12:03:08Z", "ms": -775223812354.5752 }, "end": { "local": "1945-06-08T22:19:09+09:00", "utc": "1945-06-08T13:19:09Z", "ms": -775219250966.9464 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:20 on Thu 7 Jun to 19:13 on Fri 8 Jun.", "fact": "1945-06-07T13:19:55Z → 1945-06-08T10:12:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:03–22:19 on the 7th, 21:03–22:19 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 7th and 0 of 76 on the 8th.", "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 73 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Thursday 7 June.", "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": "1945-06-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-07", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Thursday 7 June. Trayodaśī runs from 22:20 on Thu 7 Jun to 19:13 on Fri 8 Jun, and reaches pradoṣa on neither day. It is 1 min 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-06-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-06-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22297, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-06-08T19:12:36+09:00", "utc": "1945-06-08T10:12:36Z", "ms": -775230444066.0466 }, "end": { "local": "1945-06-09T16:11:37+09:00", "utc": "1945-06-09T07:11:37Z", "ms": -775154902641.2904 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-08T19:12:36+09:00", "utc": "1945-06-08T10:12:36Z", "ms": -775230444066.0466 }, "end": { "local": "1945-06-09T16:11:37+09:00", "utc": "1945-06-09T07:11:37Z", "ms": -775154902641.2904 } }, "kaala": "nishita", "days": [ { "local_date": "1945-06-08", "window": { "start": { "local": "1945-06-09T01:24:13+09:00", "utc": "1945-06-08T16:24:13Z", "ms": -775208147150.9672 }, "end": { "local": "1945-06-09T02:12:13+09:00", "utc": "1945-06-08T17:12:13Z", "ms": -775205267150.9672 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-06-09", "window": { "start": { "local": "1945-06-10T01:24:25+09:00", "utc": "1945-06-09T16:24:25Z", "ms": -775121735217.7668 }, "end": { "local": "1945-06-10T02:12:25+09:00", "utc": "1945-06-09T17:12:25Z", "ms": -775118855217.7668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:13 on Fri 8 Jun to 16:12 on Sat 9 Jun.", "fact": "1945-06-08T10:12:36Z → 1945-06-09T07:11:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:24–02:12 on the 8th, 01:24–02:12 on the 9th.", "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 8th and 0 of 48 on the 9th.", "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 22297 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Friday 8 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": "1945-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-08", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Friday 8 June. Caturdaśī runs from 19:13 on Fri 8 Jun to 16:12 on Sat 9 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15195, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-06-12T09:11:48+09:00", "utc": "1945-06-12T00:11:48Z", "ms": -774920891834.4976 }, "end": { "local": "1945-06-13T07:58:19+09:00", "utc": "1945-06-12T22:58:19Z", "ms": -774838900858.4658 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-12T09:11:48+09:00", "utc": "1945-06-12T00:11:48Z", "ms": -774920891834.4976 }, "end": { "local": "1945-06-13T07:58:19+09:00", "utc": "1945-06-12T22:58:19Z", "ms": -774838900858.4658 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-06-12", "window": { "start": { "local": "1945-06-12T13:25:03+09:00", "utc": "1945-06-12T04:25:03Z", "ms": -774905697167.0427 }, "end": { "local": "1945-06-12T14:13:03+09:00", "utc": "1945-06-12T05:13:03Z", "ms": -774902817167.0427 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-06-13", "window": { "start": { "local": "1945-06-13T13:25:15+09:00", "utc": "1945-06-13T04:25:15Z", "ms": -774819285201.8232 }, "end": { "local": "1945-06-13T14:13:15+09:00", "utc": "1945-06-13T05:13:15Z", "ms": -774816405201.8232 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:12 on Tue 12 Jun to 07:58 on Wed 13 Jun.", "fact": "1945-06-12T00:11:48Z → 1945-06-12T22:58:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 12th, 13:25–14:13 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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 15195 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1945: Tuesday 12 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": "1945-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-12", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1945 falls on Tuesday 12 June. Tṛtīyā runs from 09:12 on Tue 12 Jun to 07:58 on Wed 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-06-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19616, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-06-13T07:58:19+09:00", "utc": "1945-06-12T22:58:19Z", "ms": -774838900858.4658 }, "end": { "local": "1945-06-14T07:27:11+09:00", "utc": "1945-06-13T22:27:11Z", "ms": -774754369399.2651 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-13T07:58:19+09:00", "utc": "1945-06-12T22:58:19Z", "ms": -774838900858.4658 }, "end": { "local": "1945-06-14T07:27:11+09:00", "utc": "1945-06-13T22:27:11Z", "ms": -774754369399.2651 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-06-13", "window": { "start": { "local": "1945-06-13T13:25:15+09:00", "utc": "1945-06-13T04:25:15Z", "ms": -774819285201.8232 }, "end": { "local": "1945-06-13T14:13:15+09:00", "utc": "1945-06-13T05:13:15Z", "ms": -774816405201.8232 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-06-14", "window": { "start": { "local": "1945-06-14T13:25:27+09:00", "utc": "1945-06-14T04:25:27Z", "ms": -774732873083.0953 }, "end": { "local": "1945-06-14T14:13:27+09:00", "utc": "1945-06-14T05:13:27Z", "ms": -774729993083.0953 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:58 on Wed 13 Jun to 07:27 on Thu 14 Jun.", "fact": "1945-06-12T22:58:19Z → 1945-06-13T22:27:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 13th, 13:25–14:13 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19616 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Wednesday 13 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": "1945-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Wednesday 13 June. Caturthī runs from 07:58 on Wed 13 Jun to 07:27 on Thu 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-06-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17417, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-06-15T07:40:09+09:00", "utc": "1945-06-14T22:40:09Z", "ms": -774667190915.9536 }, "end": { "local": "1945-06-16T08:35:35+09:00", "utc": "1945-06-15T23:35:35Z", "ms": -774577465085.8604 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-15T07:40:09+09:00", "utc": "1945-06-14T22:40:09Z", "ms": -774667190915.9536 }, "end": { "local": "1945-06-16T08:35:35+09:00", "utc": "1945-06-15T23:35:35Z", "ms": -774577465085.8604 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-06-15", "window": { "start": { "local": "1945-06-15T13:25:39+09:00", "utc": "1945-06-15T04:25:39Z", "ms": -774646460835.6477 }, "end": { "local": "1945-06-15T14:13:39+09:00", "utc": "1945-06-15T05:13:39Z", "ms": -774643580835.6477 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-06-16", "window": { "start": { "local": "1945-06-16T13:25:52+09:00", "utc": "1945-06-16T04:25:52Z", "ms": -774560048483.5493 }, "end": { "local": "1945-06-16T14:13:52+09:00", "utc": "1945-06-16T05:13:52Z", "ms": -774557168483.5493 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:40 on Fri 15 Jun to 08:36 on Sat 16 Jun.", "fact": "1945-06-14T22:40:09Z → 1945-06-15T23:35:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 15th, 13:26–14:14 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17417 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1945: Friday 15 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": "1945-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-15", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1945 falls on Friday 15 June. Ṣaṣṭhī runs from 07:40 on Fri 15 Jun to 08:36 on Sat 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17417, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-06-15T07:40:09+09:00", "utc": "1945-06-14T22:40:09Z", "ms": -774667190915.9536 }, "end": { "local": "1945-06-16T08:35:35+09:00", "utc": "1945-06-15T23:35:35Z", "ms": -774577465085.8604 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-15T07:40:09+09:00", "utc": "1945-06-14T22:40:09Z", "ms": -774667190915.9536 }, "end": { "local": "1945-06-16T08:35:35+09:00", "utc": "1945-06-15T23:35:35Z", "ms": -774577465085.8604 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-06-15", "window": { "start": { "local": "1945-06-15T13:25:39+09:00", "utc": "1945-06-15T04:25:39Z", "ms": -774646460835.6477 }, "end": { "local": "1945-06-15T14:13:39+09:00", "utc": "1945-06-15T05:13:39Z", "ms": -774643580835.6477 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-06-16", "window": { "start": { "local": "1945-06-16T13:25:52+09:00", "utc": "1945-06-16T04:25:52Z", "ms": -774560048483.5493 }, "end": { "local": "1945-06-16T14:13:52+09:00", "utc": "1945-06-16T05:13:52Z", "ms": -774557168483.5493 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:40 on Fri 15 Jun to 08:36 on Sat 16 Jun.", "fact": "1945-06-14T22:40:09Z → 1945-06-15T23:35:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 15th, 13:26–14:14 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17417 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1945: Friday 15 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": "1945-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-15", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1945 falls on Friday 15 June. Ṣaṣṭhī runs from 07:40 on Fri 15 Jun to 08:36 on Sat 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-06-21", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36823, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-06-20T16:47:18+09:00", "utc": "1945-06-20T07:47:18Z", "ms": -774202362316.262 }, "end": { "local": "1945-06-21T19:01:10+09:00", "utc": "1945-06-21T10:01:10Z", "ms": -774107930339.09 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-20T16:47:18+09:00", "utc": "1945-06-20T07:47:18Z", "ms": -774202362316.262 }, "end": { "local": "1945-06-21T19:01:10+09:00", "utc": "1945-06-21T10:01:10Z", "ms": -774107930339.09 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-06-20", "window": { "start": { "local": "1945-06-20T06:33:34+09:00", "utc": "1945-06-19T21:33:34Z", "ms": -774239185647.4807 }, "end": { "local": "1945-06-20T06:33:34+09:00", "utc": "1945-06-19T21:33:34Z", "ms": -774239185647.4807 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-06-21", "window": { "start": { "local": "1945-06-21T06:33:45+09:00", "utc": "1945-06-20T21:33:45Z", "ms": -774152774741.4038 }, "end": { "local": "1945-06-21T06:33:45+09:00", "utc": "1945-06-20T21:33:45Z", "ms": -774152774741.4038 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:47 on Wed 20 Jun to 19:01 on Thu 21 Jun.", "fact": "1945-06-20T07:47:18Z → 1945-06-21T10:01:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 20th and 06:34 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36823 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1945: Thursday 21 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": "1945-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-21", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1945 falls on Thursday 21 June. Ekādaśī runs from 16:47 on Wed 20 Jun to 19:01 on Thu 21 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17176, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-06-21T19:01:10+09:00", "utc": "1945-06-21T10:01:10Z", "ms": -774107930339.09 }, "end": { "local": "1945-06-22T20:57:42+09:00", "utc": "1945-06-22T11:57:42Z", "ms": -774014537696.3367 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-21T19:01:10+09:00", "utc": "1945-06-21T10:01:10Z", "ms": -774107930339.09 }, "end": { "local": "1945-06-22T20:57:42+09:00", "utc": "1945-06-22T11:57:42Z", "ms": -774014537696.3367 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-06-21", "window": { "start": { "local": "1945-06-21T13:26:54+09:00", "utc": "1945-06-21T04:26:54Z", "ms": -774127985958.1099 }, "end": { "local": "1945-06-21T14:14:54+09:00", "utc": "1945-06-21T05:14:54Z", "ms": -774125105958.1099 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-06-22", "window": { "start": { "local": "1945-06-22T13:27:07+09:00", "utc": "1945-06-22T04:27:07Z", "ms": -774041573454.8517 }, "end": { "local": "1945-06-22T14:15:07+09:00", "utc": "1945-06-22T05:15:07Z", "ms": -774038693454.8517 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:01 on Thu 21 Jun to 20:58 on Fri 22 Jun.", "fact": "1945-06-21T10:01:10Z → 1945-06-22T11:57:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 21st, 13:27–14:15 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17176 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1945: Friday 22 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": "1945-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1945 falls on Friday 22 June. Dvādaśī runs from 19:01 on Thu 21 Jun to 20:58 on Fri 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-06-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 364, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-06-22T20:57:42+09:00", "utc": "1945-06-22T11:57:42Z", "ms": -774014537696.3367 }, "end": { "local": "1945-06-23T22:29:58+09:00", "utc": "1945-06-23T13:29:58Z", "ms": -773922601952.3214 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-22T20:57:42+09:00", "utc": "1945-06-22T11:57:42Z", "ms": -774014537696.3367 }, "end": { "local": "1945-06-23T22:29:58+09:00", "utc": "1945-06-23T13:29:58Z", "ms": -773922601952.3214 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-06-22", "window": { "start": { "local": "1945-06-22T21:08:15+09:00", "utc": "1945-06-22T12:08:15Z", "ms": -774013904563.2094 }, "end": { "local": "1945-06-22T22:23:43+09:00", "utc": "1945-06-22T13:23:43Z", "ms": -774009377086.1013 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1945-06-23", "window": { "start": { "local": "1945-06-23T21:08:26+09:00", "utc": "1945-06-23T12:08:26Z", "ms": -773927493518.6666 }, "end": { "local": "1945-06-23T22:23:55+09:00", "utc": "1945-06-23T13:23:55Z", "ms": -773922965473.4528 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:58 on Fri 22 Jun to 22:30 on Sat 23 Jun.", "fact": "1945-06-22T11:57:42Z → 1945-06-23T13:29:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:08–22:24 on the 22nd, 21:08–22:24 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 75 of 75 minutes on the 22nd and 75 of 75 on the 23rd.", "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 364 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Saturday 23 June.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-06-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-22", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Saturday 23 June. Trayodaśī runs from 20:58 on Fri 22 Jun to 22:30 on Sat 23 Jun and covers all of pradoṣa that evening. It also reaches the previous evening for 75 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/qingyang/festivals/1945/pradosha-vrata?on=1945-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4188, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-06-24T23:33:52+09:00", "utc": "1945-06-24T14:33:52Z", "ms": -773832367515.1224 }, "end": { "local": "1945-06-26T00:07:52+09:00", "utc": "1945-06-25T15:07:52Z", "ms": -773743928357.1921 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-24T23:33:52+09:00", "utc": "1945-06-24T14:33:52Z", "ms": -773832367515.1224 }, "end": { "local": "1945-06-26T00:07:52+09:00", "utc": "1945-06-25T15:07:52Z", "ms": -773743928357.1921 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-06-24", "window": { "start": { "local": "1945-06-24T21:08:36+09:00", "utc": "1945-06-24T12:08:36Z", "ms": -773841084058.8209 }, "end": { "local": "1945-06-24T22:24:05+09:00", "utc": "1945-06-24T13:24:05Z", "ms": -773836555044.8628 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1945-06-25", "window": { "start": { "local": "1945-06-25T21:08:44+09:00", "utc": "1945-06-25T12:08:44Z", "ms": -773754676199.5742 }, "end": { "local": "1945-06-25T22:24:14+09:00", "utc": "1945-06-25T13:24:14Z", "ms": -773750145817.3503 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:34 on Sun 24 Jun to 00:08 on Tue 26 Jun.", "fact": "1945-06-24T14:33:52Z → 1945-06-25T15:07:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:09–22:24 on the 24th, 21:09–22:24 on the 25th.", "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 75 minutes on the 24th and 76 of 76 on the 25th.", "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 4188 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1945: Monday 25 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": "1945-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-25", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1945 falls on Monday 25 June. Pūrṇimā runs from 23:34 on Sun 24 Jun to 00:08 on Tue 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-06-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1900, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-06-28T22:59:20+09:00", "utc": "1945-06-28T13:59:20Z", "ms": -773488840124.8463 }, "end": { "local": "1945-06-29T21:46:58+09:00", "utc": "1945-06-29T12:46:58Z", "ms": -773406781877.789 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-06-28T22:59:20+09:00", "utc": "1945-06-28T13:59:20Z", "ms": -773488840124.8463 }, "end": { "local": "1945-06-29T21:46:58+09:00", "utc": "1945-06-29T12:46:58Z", "ms": -773406781877.789 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-06-28", "window": { "start": { "local": "1945-06-28T23:31:00+09:00", "utc": "1945-06-28T14:31:00Z", "ms": -773486939973.0437 }, "end": { "local": "1945-06-28T23:31:00+09:00", "utc": "1945-06-28T14:31:00Z", "ms": -773486939973.0437 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-06-29", "window": { "start": { "local": "1945-06-30T00:12:23+09:00", "utc": "1945-06-29T15:12:23Z", "ms": -773398056891.1514 }, "end": { "local": "1945-06-30T00:12:23+09:00", "utc": "1945-06-29T15:12:23Z", "ms": -773398056891.1514 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:59 on Thu 28 Jun to 21:47 on Fri 29 Jun.", "fact": "1945-06-28T13:59:20Z → 1945-06-29T12:46:58Z" }, { "step": "kaala", "text": "Moonrise is at 23:31 on the 28th and 00:12 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1900 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Thursday 28 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": "1945-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-06-28", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Thursday 28 June. Caturthī runs from 22:59 on Thu 28 Jun to 21:47 on Fri 29 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-07-06", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 201, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-07-05T09:10:52+09:00", "utc": "1945-07-05T00:10:52Z", "ms": -772933747987.867 }, "end": { "local": "1945-07-06T06:42:35+09:00", "utc": "1945-07-05T21:42:35Z", "ms": -772856244871.4681 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-05T09:10:52+09:00", "utc": "1945-07-05T00:10:52Z", "ms": -772933747987.867 }, "end": { "local": "1945-07-06T06:42:35+09:00", "utc": "1945-07-05T21:42:35Z", "ms": -772856244871.4681 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-07-05", "window": { "start": { "local": "1945-07-05T06:38:43+09:00", "utc": "1945-07-04T21:38:43Z", "ms": -772942876779.9897 }, "end": { "local": "1945-07-05T06:38:43+09:00", "utc": "1945-07-04T21:38:43Z", "ms": -772942876779.9897 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-07-06", "window": { "start": { "local": "1945-07-06T06:39:14+09:00", "utc": "1945-07-05T21:39:14Z", "ms": -772856446213.8987 }, "end": { "local": "1945-07-06T06:39:14+09:00", "utc": "1945-07-05T21:39:14Z", "ms": -772856446213.8987 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:11 on Thu 5 Jul to 06:43 on Fri 6 Jul.", "fact": "1945-07-05T00:10:52Z → 1945-07-05T21:42:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 5th and 06:39 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 201 s < 300 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1945: Friday 6 July.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-07-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-06", "confidence": "boundary" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1945 falls on Friday 6 July. Ekādaśī runs from 09:11 on Thu 5 Jul to 06:43 on Fri 6 Jul and is current at sunrise that day. It is 3 min 21 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-07-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13322, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-07-07T04:19:19+09:00", "utc": "1945-07-06T19:19:19Z", "ms": -772778440633.5553 }, "end": { "local": "1945-07-08T02:06:28+09:00", "utc": "1945-07-07T17:06:28Z", "ms": -772700011623.8169 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-07T04:19:19+09:00", "utc": "1945-07-06T19:19:19Z", "ms": -772778440633.5553 }, "end": { "local": "1945-07-08T02:06:28+09:00", "utc": "1945-07-07T17:06:28Z", "ms": -772700011623.8169 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-07-06", "window": { "start": { "local": "1945-07-06T21:08:21+09:00", "utc": "1945-07-06T12:08:21Z", "ms": -772804298701.265 }, "end": { "local": "1945-07-06T22:24:33+09:00", "utc": "1945-07-06T13:24:33Z", "ms": -772799727485.9554 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1945-07-07", "window": { "start": { "local": "1945-07-07T21:08:09+09:00", "utc": "1945-07-07T12:08:09Z", "ms": -772717910879.616 }, "end": { "local": "1945-07-07T22:24:26+09:00", "utc": "1945-07-07T13:24:26Z", "ms": -772713333687.434 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:19 on Sat 7 Jul to 02:06 on Sun 8 Jul.", "fact": "1945-07-06T19:19:19Z → 1945-07-07T17:06:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:08–22:25 on the 6th, 21:08–22:24 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 6th and 76 of 76 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13322 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Saturday 7 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": "1945-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Saturday 7 July. Trayodaśī runs from 04:19 on Sat 7 Jul to 02:06 on Sun 8 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-07-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 705, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-07-08T02:06:28+09:00", "utc": "1945-07-07T17:06:28Z", "ms": -772700011623.8169 }, "end": { "local": "1945-07-09T00:09:48+09:00", "utc": "1945-07-08T15:09:48Z", "ms": -772620611748.4872 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-08T02:06:28+09:00", "utc": "1945-07-07T17:06:28Z", "ms": -772700011623.8169 }, "end": { "local": "1945-07-09T00:09:48+09:00", "utc": "1945-07-08T15:09:48Z", "ms": -772620611748.4872 } }, "kaala": "nishita", "days": [ { "local_date": "1945-07-07", "window": { "start": { "local": "1945-07-08T01:30:14+09:00", "utc": "1945-07-07T16:30:14Z", "ms": -772702186408.9333 }, "end": { "local": "1945-07-08T02:18:14+09:00", "utc": "1945-07-07T17:18:14Z", "ms": -772699306408.9333 } }, "covered_min": 12, "window_min": 48, "qualifies": true }, { "local_date": "1945-07-08", "window": { "start": { "local": "1945-07-09T01:30:23+09:00", "utc": "1945-07-08T16:30:23Z", "ms": -772615776543.6631 }, "end": { "local": "1945-07-09T02:18:23+09:00", "utc": "1945-07-08T17:18:23Z", "ms": -772612896543.6631 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:06 on Sun 8 Jul to 00:10 on Mon 9 Jul.", "fact": "1945-07-07T17:06:28Z → 1945-07-08T15:09:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:30–02:18 on the 7th, 01:30–02:18 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 12 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 705 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Saturday 7 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": "1945-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Saturday 7 July. Caturdaśī runs from 02:06 on Sun 8 Jul to 00:10 on Mon 9 Jul and covers 12 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23756, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1945-07-10T21:28:27+09:00", "utc": "1945-07-10T12:28:27Z", "ms": -772457492538.9937 }, "end": { "local": "1945-07-11T20:54:28+09:00", "utc": "1945-07-11T11:54:28Z", "ms": -772373131602.4106 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-10T21:28:27+09:00", "utc": "1945-07-10T12:28:27Z", "ms": -772457492538.9937 }, "end": { "local": "1945-07-11T20:54:28+09:00", "utc": "1945-07-11T11:54:28Z", "ms": -772373131602.4106 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-07-10", "window": { "start": { "local": "1945-07-10T13:30:24+09:00", "utc": "1945-07-10T04:30:24Z", "ms": -772486175745.0841 }, "end": { "local": "1945-07-10T14:18:24+09:00", "utc": "1945-07-10T05:18:24Z", "ms": -772483295745.0841 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-07-11", "window": { "start": { "local": "1945-07-11T13:30:32+09:00", "utc": "1945-07-11T04:30:32Z", "ms": -772399767553.4016 }, "end": { "local": "1945-07-11T14:18:32+09:00", "utc": "1945-07-11T05:18:32Z", "ms": -772396887553.4016 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:28 on Tue 10 Jul to 20:54 on Wed 11 Jul.", "fact": "1945-07-10T12:28:27Z → 1945-07-11T11:54:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 10th, 13:31–14:19 on the 11th.", "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 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: paraviddha → only-day · margin 23756 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1945: Wednesday 11 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": "1945-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-11", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1945 falls on Wednesday 11 July. Dvitīyā runs from 21:28 on Tue 10 Jul to 20:54 on Wed 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-07-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23893, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-07-12T20:56:53+09:00", "utc": "1945-07-12T11:56:53Z", "ms": -772286587290.5951 }, "end": { "local": "1945-07-13T21:37:05+09:00", "utc": "1945-07-13T12:37:05Z", "ms": -772197774580.566 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-12T20:56:53+09:00", "utc": "1945-07-12T11:56:53Z", "ms": -772286587290.5951 }, "end": { "local": "1945-07-13T21:37:05+09:00", "utc": "1945-07-13T12:37:05Z", "ms": -772197774580.566 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-07-12", "window": { "start": { "local": "1945-07-12T13:30:40+09:00", "utc": "1945-07-12T04:30:40Z", "ms": -772313359799.3628 }, "end": { "local": "1945-07-12T14:18:40+09:00", "utc": "1945-07-12T05:18:40Z", "ms": -772310479799.3628 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-07-13", "window": { "start": { "local": "1945-07-13T13:30:47+09:00", "utc": "1945-07-13T04:30:47Z", "ms": -772226952502.1744 }, "end": { "local": "1945-07-13T14:18:47+09:00", "utc": "1945-07-13T05:18:47Z", "ms": -772224072502.1744 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:57 on Thu 12 Jul to 21:37 on Fri 13 Jul.", "fact": "1945-07-12T11:56:53Z → 1945-07-13T12:37:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 12th, 13:31–14:19 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23893 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Friday 13 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": "1945-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Friday 13 July. Caturthī runs from 20:57 on Thu 12 Jul to 21:37 on Fri 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26298, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-07-13T21:37:05+09:00", "utc": "1945-07-13T12:37:05Z", "ms": -772197774580.566 }, "end": { "local": "1945-07-14T22:53:32+09:00", "utc": "1945-07-14T13:53:32Z", "ms": -772106787640.1824 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-13T21:37:05+09:00", "utc": "1945-07-13T12:37:05Z", "ms": -772197774580.566 }, "end": { "local": "1945-07-14T22:53:32+09:00", "utc": "1945-07-14T13:53:32Z", "ms": -772106787640.1824 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-07-13", "window": { "start": { "local": "1945-07-13T13:30:47+09:00", "utc": "1945-07-13T04:30:47Z", "ms": -772226952502.1744 }, "end": { "local": "1945-07-13T14:18:47+09:00", "utc": "1945-07-13T05:18:47Z", "ms": -772224072502.1744 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-07-14", "window": { "start": { "local": "1945-07-14T13:30:54+09:00", "utc": "1945-07-14T04:30:54Z", "ms": -772140545679.4866 }, "end": { "local": "1945-07-14T14:18:54+09:00", "utc": "1945-07-14T05:18:54Z", "ms": -772137665679.4866 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:37 on Fri 13 Jul to 22:54 on Sat 14 Jul.", "fact": "1945-07-13T12:37:05Z → 1945-07-14T13:53:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 13th, 13:31–14:19 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26298 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1945: Saturday 14 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": "1945-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-14", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1945 falls on Saturday 14 July. Pañcamī runs from 21:37 on Fri 13 Jul to 22:54 on Sat 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37324, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-07-16T00:41:05+09:00", "utc": "1945-07-15T15:41:05Z", "ms": -772013934874.409 }, "end": { "local": "1945-07-17T02:50:57+09:00", "utc": "1945-07-16T17:50:57Z", "ms": -771919743305.9221 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-16T00:41:05+09:00", "utc": "1945-07-15T15:41:05Z", "ms": -772013934874.409 }, "end": { "local": "1945-07-17T02:50:57+09:00", "utc": "1945-07-16T17:50:57Z", "ms": -771919743305.9221 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-07-15", "window": { "start": { "local": "1945-07-15T13:31:01+09:00", "utc": "1945-07-15T04:31:01Z", "ms": -772054139347.4272 }, "end": { "local": "1945-07-15T14:19:01+09:00", "utc": "1945-07-15T05:19:01Z", "ms": -772051259347.4272 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-07-16", "window": { "start": { "local": "1945-07-16T13:31:06+09:00", "utc": "1945-07-16T04:31:06Z", "ms": -771967733520.6787 }, "end": { "local": "1945-07-16T14:19:06+09:00", "utc": "1945-07-16T05:19:06Z", "ms": -771964853520.6787 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:41 on Mon 16 Jul to 02:51 on Tue 17 Jul.", "fact": "1945-07-15T15:41:05Z → 1945-07-16T17:50:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 15th, 13:31–14:19 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37324 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1945: Monday 16 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": "1945-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-16", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1945 falls on Monday 16 July. Saptamī runs from 00:41 on Mon 16 Jul to 02:51 on Tue 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-07-21", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9787, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-07-20T09:31:02+09:00", "utc": "1945-07-20T00:31:02Z", "ms": -771636538001.8403 }, "end": { "local": "1945-07-21T11:06:27+09:00", "utc": "1945-07-21T02:06:27Z", "ms": -771544413317.799 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-20T09:31:02+09:00", "utc": "1945-07-20T00:31:02Z", "ms": -771636538001.8403 }, "end": { "local": "1945-07-21T11:06:27+09:00", "utc": "1945-07-21T02:06:27Z", "ms": -771544413317.799 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-07-20", "window": { "start": { "local": "1945-07-20T06:47:55+09:00", "utc": "1945-07-19T21:47:55Z", "ms": -771646325375.3944 }, "end": { "local": "1945-07-20T06:47:55+09:00", "utc": "1945-07-19T21:47:55Z", "ms": -771646325375.3944 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-07-21", "window": { "start": { "local": "1945-07-21T06:48:37+09:00", "utc": "1945-07-20T21:48:37Z", "ms": -771559883087.3617 }, "end": { "local": "1945-07-21T06:48:37+09:00", "utc": "1945-07-20T21:48:37Z", "ms": -771559883087.3617 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:31 on Fri 20 Jul to 11:06 on Sat 21 Jul.", "fact": "1945-07-20T00:31:02Z → 1945-07-21T02:06:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 20th and 06:49 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9787 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1945: Saturday 21 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": "1945-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-21", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1945 falls on Saturday 21 July. Ekādaśī runs from 09:31 on Fri 20 Jul to 11:06 on Sat 21 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-07-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30598, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-07-22T12:07:43+09:00", "utc": "1945-07-22T03:07:43Z", "ms": -771454336564.9521 }, "end": { "local": "1945-07-23T12:31:03+09:00", "utc": "1945-07-23T03:31:03Z", "ms": -771366536807.4698 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-22T12:07:43+09:00", "utc": "1945-07-22T03:07:43Z", "ms": -771454336564.9521 }, "end": { "local": "1945-07-23T12:31:03+09:00", "utc": "1945-07-23T03:31:03Z", "ms": -771366536807.4698 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-07-22", "window": { "start": { "local": "1945-07-22T21:01:41+09:00", "utc": "1945-07-22T12:01:41Z", "ms": -771422299341.8256 }, "end": { "local": "1945-07-22T22:20:08+09:00", "utc": "1945-07-22T13:20:08Z", "ms": -771417592372.5026 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1945-07-23", "window": { "start": { "local": "1945-07-23T21:01:01+09:00", "utc": "1945-07-23T12:01:01Z", "ms": -771335938598.8599 }, "end": { "local": "1945-07-23T22:19:39+09:00", "utc": "1945-07-23T13:19:39Z", "ms": -771331220572.9425 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:08 on Sun 22 Jul to 12:31 on Mon 23 Jul.", "fact": "1945-07-22T03:07:43Z → 1945-07-23T03:31:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:02–22:20 on the 22nd, 21:01–22:20 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 78 of 78 minutes on the 22nd and 0 of 79 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30598 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Sunday 22 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": "1945-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Sunday 22 July. Trayodaśī runs from 12:08 on Sun 22 Jul to 12:31 on Mon 23 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4526, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-07-24", "window": { "start": { "local": "1945-07-24T13:31:34+09:00", "utc": "1945-07-24T04:31:34Z", "ms": -771276506420.1577 }, "end": { "local": "1945-07-24T14:19:34+09:00", "utc": "1945-07-24T05:19:34Z", "ms": -771273626420.1577 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-07-25", "window": { "start": { "local": "1945-07-25T13:31:34+09:00", "utc": "1945-07-25T04:31:34Z", "ms": -771190105582.5907 }, "end": { "local": "1945-07-25T14:19:34+09:00", "utc": "1945-07-25T05:19:34Z", "ms": -771187225582.5907 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.", "fact": "1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:32–14:20 on the 24th, 13:32–14:20 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4526 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1945: Tuesday 24 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": "1945-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-24", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1945 falls on Tuesday 24 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21259, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 } }, "kaala": "sayahna", "days": [ { "local_date": "1945-07-24", "window": { "start": { "local": "1945-07-24T18:10:26+09:00", "utc": "1945-07-24T09:10:26Z", "ms": -771259774229.5646 }, "end": { "local": "1945-07-24T21:00:21+09:00", "utc": "1945-07-24T12:00:21Z", "ms": -771249579435.8358 } }, "covered_min": 170, "window_min": 170, "qualifies": true }, { "local_date": "1945-07-25", "window": { "start": { "local": "1945-07-25T18:10:01+09:00", "utc": "1945-07-25T09:10:01Z", "ms": -771173399331.3007 }, "end": { "local": "1945-07-25T20:59:38+09:00", "utc": "1945-07-25T11:59:38Z", "ms": -771163221830.4407 } }, "covered_min": 0, "window_min": 170, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.", "fact": "1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 18:10–21:00 on the 24th, 18:10–21:00 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 170 of 170 minutes on the 24th and 0 of 170 on the 25th.", "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 21259 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1945: Tuesday 24 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": "1945-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-24", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1945 falls on Tuesday 24 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31453, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-07-24", "window": { "start": { "local": "1945-07-24T21:00:21+09:00", "utc": "1945-07-24T12:00:21Z", "ms": -771249579435.8358 }, "end": { "local": "1945-07-24T22:19:10+09:00", "utc": "1945-07-24T13:19:10Z", "ms": -771244850089.0232 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1945-07-25", "window": { "start": { "local": "1945-07-25T20:59:38+09:00", "utc": "1945-07-25T11:59:38Z", "ms": -771163221830.4407 }, "end": { "local": "1945-07-25T22:18:39+09:00", "utc": "1945-07-25T13:18:39Z", "ms": -771158480904.8888 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.", "fact": "1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:00–22:19 on the 24th, 21:00–22:19 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 24th and 0 of 79 on the 25th.", "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 31453 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1945: Tuesday 24 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": "1945-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1945 falls on Tuesday 24 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6259, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1945-07-24T12:16:07+09:00", "utc": "1945-07-24T03:16:07Z", "ms": -771281032907.2141 }, "end": { "local": "1945-07-25T11:25:27+09:00", "utc": "1945-07-25T02:25:27Z", "ms": -771197672871.7968 } }, "kaala": "udaya-3", "days": [ { "local_date": "1945-07-24", "window": { "start": { "local": "1945-07-24T06:50:47+09:00", "utc": "1945-07-23T21:50:47Z", "ms": -771300553404.4797 }, "end": { "local": "1945-07-24T09:40:41+09:00", "utc": "1945-07-24T00:40:41Z", "ms": -771290358610.751 } }, "covered_min": 0, "window_min": 170, "qualifies": false }, { "local_date": "1945-07-25", "window": { "start": { "local": "1945-07-25T06:51:31+09:00", "utc": "1945-07-24T21:51:31Z", "ms": -771214109334.7407 }, "end": { "local": "1945-07-25T09:41:08+09:00", "utc": "1945-07-25T00:41:08Z", "ms": -771203931833.8807 } }, "covered_min": 170, "window_min": 170, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.", "fact": "1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:51–09:41 on the 24th, 06:52–09:41 on the 25th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 170 minutes on the 24th and 170 of 170 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6259 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1945: Wednesday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-25", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1945 falls on Wednesday 25 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36373, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1945-07-26T10:03:38+09:00", "utc": "1945-07-26T01:03:38Z", "ms": -771116182430.044 }, "end": { "local": "1945-07-27T08:16:28+09:00", "utc": "1945-07-26T23:16:28Z", "ms": -771036212098.4688 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-07-26T10:03:38+09:00", "utc": "1945-07-26T01:03:38Z", "ms": -771116182430.044 }, "end": { "local": "1945-07-27T08:16:28+09:00", "utc": "1945-07-26T23:16:28Z", "ms": -771036212098.4688 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-07-25", "window": { "start": { "local": "1945-07-25T21:26:06+09:00", "utc": "1945-07-25T12:26:06Z", "ms": -771161634101.3341 }, "end": { "local": "1945-07-25T21:26:06+09:00", "utc": "1945-07-25T12:26:06Z", "ms": -771161634101.3341 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-07-26", "window": { "start": { "local": "1945-07-26T22:10:14+09:00", "utc": "1945-07-26T13:10:14Z", "ms": -771072585511.423 }, "end": { "local": "1945-07-26T22:10:14+09:00", "utc": "1945-07-26T13:10:14Z", "ms": -771072585511.423 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:04 on Thu 26 Jul to 08:16 on Fri 27 Jul.", "fact": "1945-07-26T01:03:38Z → 1945-07-26T23:16:28Z" }, { "step": "kaala", "text": "Moonrise is at 21:26 on the 25th and 22:10 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36373 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1945: Thursday 26 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": "1945-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1945 falls on Thursday 26 July. Dvitīyā runs from 10:04 on Thu 26 Jul to 08:16 on Fri 27 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-07-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15964, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-07-28T06:10:22+09:00", "utc": "1945-07-27T21:10:22Z", "ms": -770957377574.7112 }, "end": { "local": "1945-07-29T03:51:48+09:00", "utc": "1945-07-28T18:51:48Z", "ms": -770879292084.8783 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-07-28T06:10:22+09:00", "utc": "1945-07-27T21:10:22Z", "ms": -770957377574.7112 }, "end": { "local": "1945-07-29T03:51:48+09:00", "utc": "1945-07-28T18:51:48Z", "ms": -770879292084.8783 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-07-27", "window": { "start": { "local": "1945-07-27T22:49:45+09:00", "utc": "1945-07-27T13:49:45Z", "ms": -770983815035.6263 }, "end": { "local": "1945-07-27T22:49:45+09:00", "utc": "1945-07-27T13:49:45Z", "ms": -770983815035.6263 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-07-28", "window": { "start": { "local": "1945-07-28T23:25:44+09:00", "utc": "1945-07-28T14:25:44Z", "ms": -770895256184.3822 }, "end": { "local": "1945-07-28T23:25:44+09:00", "utc": "1945-07-28T14:25:44Z", "ms": -770895256184.3822 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:10 on Sat 28 Jul to 03:52 on Sun 29 Jul.", "fact": "1945-07-27T21:10:22Z → 1945-07-28T18:51:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:50 on the 27th and 23:26 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15964 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Saturday 28 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": "1945-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-07-28", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Saturday 28 July. Caturthī runs from 06:10 on Sat 28 Jul to 03:52 on Sun 29 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-08-04", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20985, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-08-03T14:26:25+09:00", "utc": "1945-08-03T05:26:25Z", "ms": -770409214996.7181 }, "end": { "local": "1945-08-04T12:48:53+09:00", "utc": "1945-08-04T03:48:53Z", "ms": -770328666852.773 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-03T14:26:25+09:00", "utc": "1945-08-03T05:26:25Z", "ms": -770409214996.7181 }, "end": { "local": "1945-08-04T12:48:53+09:00", "utc": "1945-08-04T03:48:53Z", "ms": -770328666852.773 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-08-03", "window": { "start": { "local": "1945-08-03T06:58:21+09:00", "utc": "1945-08-02T21:58:21Z", "ms": -770436098566.1815 }, "end": { "local": "1945-08-03T06:58:21+09:00", "utc": "1945-08-02T21:58:21Z", "ms": -770436098566.1815 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-08-04", "window": { "start": { "local": "1945-08-04T06:59:08+09:00", "utc": "1945-08-03T21:59:08Z", "ms": -770349651774.6627 }, "end": { "local": "1945-08-04T06:59:08+09:00", "utc": "1945-08-03T21:59:08Z", "ms": -770349651774.6627 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:26 on Fri 3 Aug to 12:49 on Sat 4 Aug.", "fact": "1945-08-03T05:26:25Z → 1945-08-04T03:48:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 3rd and 06:59 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 20985 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1945: Saturday 4 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": "1945-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1945 falls on Saturday 4 August. Ekādaśī runs from 14:26 on Fri 3 Aug to 12:49 on Sat 4 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-08-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-08-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33729, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-08-05T11:28:07+09:00", "utc": "1945-08-05T02:28:07Z", "ms": -770247113069.8391 }, "end": { "local": "1945-08-06T10:26:28+09:00", "utc": "1945-08-06T01:26:28Z", "ms": -770164412081.1621 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-05T11:28:07+09:00", "utc": "1945-08-05T02:28:07Z", "ms": -770247113069.8391 }, "end": { "local": "1945-08-06T10:26:28+09:00", "utc": "1945-08-06T01:26:28Z", "ms": -770164412081.1621 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-08-05", "window": { "start": { "local": "1945-08-05T20:50:16+09:00", "utc": "1945-08-05T11:50:16Z", "ms": -770213384206.6692 }, "end": { "local": "1945-08-05T22:11:39+09:00", "utc": "1945-08-05T13:11:39Z", "ms": -770208500684.3945 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1945-08-06", "window": { "start": { "local": "1945-08-06T20:49:17+09:00", "utc": "1945-08-06T11:49:17Z", "ms": -770127043451.8419 }, "end": { "local": "1945-08-06T22:10:54+09:00", "utc": "1945-08-06T13:10:54Z", "ms": -770122145744.2507 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:28 on Sun 5 Aug to 10:26 on Mon 6 Aug.", "fact": "1945-08-05T02:28:07Z → 1945-08-06T01:26:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:50–22:12 on the 5th, 20:49–22:11 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 81 of 81 minutes on the 5th and 0 of 82 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 33729 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Sunday 5 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": "1945-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Sunday 5 August. Trayodaśī runs from 11:28 on Sun 5 Aug to 10:26 on Mon 6 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-08-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26837, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-08-06T10:26:28+09:00", "utc": "1945-08-06T01:26:28Z", "ms": -770164412081.1621 }, "end": { "local": "1945-08-07T09:46:40+09:00", "utc": "1945-08-07T00:46:40Z", "ms": -770080399847.354 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-06T10:26:28+09:00", "utc": "1945-08-06T01:26:28Z", "ms": -770164412081.1621 }, "end": { "local": "1945-08-07T09:46:40+09:00", "utc": "1945-08-07T00:46:40Z", "ms": -770080399847.354 } }, "kaala": "nishita", "days": [ { "local_date": "1945-08-05", "window": { "start": { "local": "1945-08-06T01:31:29+09:00", "utc": "1945-08-05T16:31:29Z", "ms": -770196510998.1394 }, "end": { "local": "1945-08-06T02:19:29+09:00", "utc": "1945-08-05T17:19:29Z", "ms": -770193630998.1394 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-08-06", "window": { "start": { "local": "1945-08-07T01:31:23+09:00", "utc": "1945-08-06T16:31:23Z", "ms": -770110117048.3752 }, "end": { "local": "1945-08-07T02:19:23+09:00", "utc": "1945-08-06T17:19:23Z", "ms": -770107237048.3752 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:26 on Mon 6 Aug to 09:47 on Tue 7 Aug.", "fact": "1945-08-06T01:26:28Z → 1945-08-07T00:46:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:31–02:19 on the 5th, 01:31–02:19 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 26837 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Monday 6 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": "1945-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Monday 6 August. Caturdaśī runs from 10:26 on Mon 6 Aug to 09:47 on Tue 7 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6559, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-08-10T10:27:26+09:00", "utc": "1945-08-10T01:27:26Z", "ms": -769818753538.8251 }, "end": { "local": "1945-08-11T11:41:01+09:00", "utc": "1945-08-11T02:41:01Z", "ms": -769727938811.4988 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-10T10:27:26+09:00", "utc": "1945-08-10T01:27:26Z", "ms": -769818753538.8251 }, "end": { "local": "1945-08-11T11:41:01+09:00", "utc": "1945-08-11T02:41:01Z", "ms": -769727938811.4988 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-10", "window": { "start": { "local": "1945-08-10T13:30:29+09:00", "utc": "1945-08-10T04:30:29Z", "ms": -769807770818.1188 }, "end": { "local": "1945-08-10T14:18:29+09:00", "utc": "1945-08-10T05:18:29Z", "ms": -769804890818.1188 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-11", "window": { "start": { "local": "1945-08-11T13:30:20+09:00", "utc": "1945-08-11T04:30:20Z", "ms": -769721379814.6035 }, "end": { "local": "1945-08-11T14:18:20+09:00", "utc": "1945-08-11T05:18:20Z", "ms": -769718499814.6035 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:27 on Fri 10 Aug to 11:41 on Sat 11 Aug.", "fact": "1945-08-10T01:27:26Z → 1945-08-11T02:41:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 10th, 13:30–14:18 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6559 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1945: Friday 10 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": "1945-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-10", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1945 falls on Friday 10 August. Tṛtīyā runs from 10:27 on Fri 10 Aug to 11:41 on Sat 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-08-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 397, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-08-11T11:41:01+09:00", "utc": "1945-08-11T02:41:01Z", "ms": -769727938811.4988 }, "end": { "local": "1945-08-12T13:23:34+09:00", "utc": "1945-08-12T04:23:34Z", "ms": -769635386440.2495 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-11T11:41:01+09:00", "utc": "1945-08-11T02:41:01Z", "ms": -769727938811.4988 }, "end": { "local": "1945-08-12T13:23:34+09:00", "utc": "1945-08-12T04:23:34Z", "ms": -769635386440.2495 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-11", "window": { "start": { "local": "1945-08-11T13:30:20+09:00", "utc": "1945-08-11T04:30:20Z", "ms": -769721379814.6035 }, "end": { "local": "1945-08-11T14:18:20+09:00", "utc": "1945-08-11T05:18:20Z", "ms": -769718499814.6035 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-12", "window": { "start": { "local": "1945-08-12T13:30:11+09:00", "utc": "1945-08-12T04:30:11Z", "ms": -769634989383.8344 }, "end": { "local": "1945-08-12T14:18:11+09:00", "utc": "1945-08-12T05:18:11Z", "ms": -769632109383.8344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:41 on Sat 11 Aug to 13:24 on Sun 12 Aug.", "fact": "1945-08-11T02:41:01Z → 1945-08-12T04:23:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 11th, 13:30–14:18 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 397 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Saturday 11 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": "1945-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-11", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Saturday 11 August. Caturthī runs from 11:41 on Sat 11 Aug to 13:24 on Sun 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 397, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-08-12T13:23:34+09:00", "utc": "1945-08-12T04:23:34Z", "ms": -769635386440.2495 }, "end": { "local": "1945-08-13T15:30:02+09:00", "utc": "1945-08-13T06:30:02Z", "ms": -769541398016.4147 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-12T13:23:34+09:00", "utc": "1945-08-12T04:23:34Z", "ms": -769635386440.2495 }, "end": { "local": "1945-08-13T15:30:02+09:00", "utc": "1945-08-13T06:30:02Z", "ms": -769541398016.4147 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-12", "window": { "start": { "local": "1945-08-12T13:30:11+09:00", "utc": "1945-08-12T04:30:11Z", "ms": -769634989383.8344 }, "end": { "local": "1945-08-12T14:18:11+09:00", "utc": "1945-08-12T05:18:11Z", "ms": -769632109383.8344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-13", "window": { "start": { "local": "1945-08-13T13:30:00+09:00", "utc": "1945-08-13T04:30:00Z", "ms": -769548599520.6404 }, "end": { "local": "1945-08-13T14:18:00+09:00", "utc": "1945-08-13T05:18:00Z", "ms": -769545719520.6404 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:24 on Sun 12 Aug to 15:30 on Mon 13 Aug.", "fact": "1945-08-12T04:23:34Z → 1945-08-13T06:30:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 12th, 13:30–14:18 on the 13th.", "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 12th and 48 of 48 on the 13th.", "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 397 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1945: Monday 13 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": "1945-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-13", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1945 falls on Monday 13 August. Pañcamī runs from 13:24 on Sun 12 Aug to 15:30 on Mon 13 Aug 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/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-08-19", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18063, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-08-19T01:38:14+09:00", "utc": "1945-08-18T16:38:14Z", "ms": -769072906318.3469 }, "end": { "local": "1945-08-20T02:10:40+09:00", "utc": "1945-08-19T17:10:40Z", "ms": -768984560496.7069 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-19T01:38:14+09:00", "utc": "1945-08-18T16:38:14Z", "ms": -769072906318.3469 }, "end": { "local": "1945-08-20T02:10:40+09:00", "utc": "1945-08-19T17:10:40Z", "ms": -768984560496.7069 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-08-19", "window": { "start": { "local": "1945-08-19T07:10:55+09:00", "utc": "1945-08-18T22:10:55Z", "ms": -769052944582.8937 }, "end": { "local": "1945-08-19T07:10:55+09:00", "utc": "1945-08-18T22:10:55Z", "ms": -769052944582.8937 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-08-20", "window": { "start": { "local": "1945-08-20T07:11:42+09:00", "utc": "1945-08-19T22:11:42Z", "ms": -768966497789.9407 }, "end": { "local": "1945-08-20T07:11:42+09:00", "utc": "1945-08-19T22:11:42Z", "ms": -768966497789.9407 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:38 on Sun 19 Aug to 02:11 on Mon 20 Aug.", "fact": "1945-08-18T16:38:14Z → 1945-08-19T17:10:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 19th and 07:12 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18063 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1945: Sunday 19 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": "1945-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1945 falls on Sunday 19 August. Ekādaśī runs from 01:38 on Sun 19 Aug to 02:11 on Mon 20 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40675, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-08-20T02:10:40+09:00", "utc": "1945-08-19T17:10:40Z", "ms": -768984560496.7069 }, "end": { "local": "1945-08-21T01:56:44+09:00", "utc": "1945-08-20T16:56:44Z", "ms": -768898995662.5715 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-20T02:10:40+09:00", "utc": "1945-08-19T17:10:40Z", "ms": -768984560496.7069 }, "end": { "local": "1945-08-21T01:56:44+09:00", "utc": "1945-08-20T16:56:44Z", "ms": -768898995662.5715 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-20", "window": { "start": { "local": "1945-08-20T13:28:34+09:00", "utc": "1945-08-20T04:28:34Z", "ms": -768943885702.4586 }, "end": { "local": "1945-08-20T14:16:34+09:00", "utc": "1945-08-20T05:16:34Z", "ms": -768941005702.4586 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-21", "window": { "start": { "local": "1945-08-21T13:28:20+09:00", "utc": "1945-08-21T04:28:20Z", "ms": -768857500061.3477 }, "end": { "local": "1945-08-21T14:16:20+09:00", "utc": "1945-08-21T05:16:20Z", "ms": -768854620061.3477 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:11 on Mon 20 Aug to 01:57 on Tue 21 Aug.", "fact": "1945-08-19T17:10:40Z → 1945-08-20T16:56:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:29–14:17 on the 20th, 13:28–14:16 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 40675 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1945: Monday 20 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": "1945-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-20", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1945 falls on Monday 20 August. Dvādaśī runs from 02:11 on Mon 20 Aug to 01:57 on Tue 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-08-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10786, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-08-21T01:56:44+09:00", "utc": "1945-08-20T16:56:44Z", "ms": -768898995662.5715 }, "end": { "local": "1945-08-22T00:57:25+09:00", "utc": "1945-08-21T15:57:25Z", "ms": -768816154524.6116 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-21T01:56:44+09:00", "utc": "1945-08-20T16:56:44Z", "ms": -768898995662.5715 }, "end": { "local": "1945-08-22T00:57:25+09:00", "utc": "1945-08-21T15:57:25Z", "ms": -768816154524.6116 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-08-20", "window": { "start": { "local": "1945-08-20T20:33:26+09:00", "utc": "1945-08-20T11:33:26Z", "ms": -768918393614.9766 }, "end": { "local": "1945-08-20T21:58:39+09:00", "utc": "1945-08-20T12:58:39Z", "ms": -768913281278.3844 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1945-08-21", "window": { "start": { "local": "1945-08-21T20:32:11+09:00", "utc": "1945-08-21T11:32:11Z", "ms": -768832069032.1604 }, "end": { "local": "1945-08-21T21:57:40+09:00", "utc": "1945-08-21T12:57:40Z", "ms": -768826940425.9816 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:57 on Tue 21 Aug to 00:57 on Wed 22 Aug.", "fact": "1945-08-20T16:56:44Z → 1945-08-21T15:57:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:33–21:59 on the 20th, 20:32–21:58 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 20th and 85 of 85 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10786 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Tuesday 21 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": "1945-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Tuesday 21 August. Trayodaśī runs from 01:57 on Tue 21 Aug to 00:57 on Wed 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10783, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-08-22T23:17:09+09:00", "utc": "1945-08-22T14:17:09Z", "ms": -768735771154.651 }, "end": { "local": "1945-08-23T21:02:51+09:00", "utc": "1945-08-23T12:02:51Z", "ms": -768657429154.0939 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1945-08-23T10:13:45+09:00", "utc": "1945-08-23T01:13:45Z", "ms": -768696375282.1987 }, "end": { "local": "1945-08-23T21:02:51+09:00", "utc": "1945-08-23T12:02:51Z", "ms": -768657429154.0939 } }, "kaala": "day", "days": [ { "local_date": "1945-08-22", "window": { "start": { "local": "1945-08-22T07:13:16+09:00", "utc": "1945-08-21T22:13:16Z", "ms": -768793604485.8188 }, "end": { "local": "1945-08-23T07:14:02+09:00", "utc": "1945-08-22T22:14:02Z", "ms": -768707157974.8955 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1945-08-23", "window": { "start": { "local": "1945-08-23T07:14:02+09:00", "utc": "1945-08-22T22:14:02Z", "ms": -768707157974.8955 }, "end": { "local": "1945-08-24T07:14:48+09:00", "utc": "1945-08-23T22:14:48Z", "ms": -768620711554.8468 } }, "covered_min": 649, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:17 on Wed 22 Aug to 21:03 on Thu 23 Aug. Its second half begins at 10:14 on Thu 23 Aug.", "fact": "1945-08-22T14:17:09Z → 1945-08-23T12:02:51Z · second half from 1945-08-23T01:13:45Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:13 on the 22nd, and from 07:14 on the 23rd.", "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 0 of 1441 minutes on the 22nd and 649 of 1441 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10783 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1945: Thursday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1945 falls on Thursday 23 August. The second half of Pūrṇimā runs from 10:14 on Thu 23 Aug to 21:03 on Thu 23 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24421, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-08-22T23:17:09+09:00", "utc": "1945-08-22T14:17:09Z", "ms": -768735771154.651 }, "end": { "local": "1945-08-23T21:02:51+09:00", "utc": "1945-08-23T12:02:51Z", "ms": -768657429154.0939 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1945-08-22T23:17:09+09:00", "utc": "1945-08-22T14:17:09Z", "ms": -768735771154.651 }, "end": { "local": "1945-08-23T21:02:51+09:00", "utc": "1945-08-23T12:02:51Z", "ms": -768657429154.0939 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-22", "window": { "start": { "local": "1945-08-22T13:28:05+09:00", "utc": "1945-08-22T04:28:05Z", "ms": -768771114891.708 }, "end": { "local": "1945-08-22T14:16:05+09:00", "utc": "1945-08-22T05:16:05Z", "ms": -768768234891.708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-08-23", "window": { "start": { "local": "1945-08-23T13:27:50+09:00", "utc": "1945-08-23T04:27:50Z", "ms": -768684730177.1714 }, "end": { "local": "1945-08-23T14:15:50+09:00", "utc": "1945-08-23T05:15:50Z", "ms": -768681850177.1714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:17 on Wed 22 Aug to 21:03 on Thu 23 Aug.", "fact": "1945-08-22T14:17:09Z → 1945-08-23T12:02:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 22nd, 13:28–14:16 on the 23rd.", "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 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: unstated → only-day · margin 24421 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1945: Thursday 23 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": "1945-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1945 falls on Thursday 23 August. Pūrṇimā runs from 23:17 on Wed 22 Aug to 21:03 on Thu 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10812, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1945-08-24T18:23:01+09:00", "utc": "1945-08-24T09:23:01Z", "ms": -768580618564.3058 }, "end": { "local": "1945-08-25T15:26:55+09:00", "utc": "1945-08-25T06:26:55Z", "ms": -768504784834.7533 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-24T18:23:01+09:00", "utc": "1945-08-24T09:23:01Z", "ms": -768580618564.3058 }, "end": { "local": "1945-08-25T15:26:55+09:00", "utc": "1945-08-25T06:26:55Z", "ms": -768504784834.7533 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-08-24", "window": { "start": { "local": "1945-08-24T21:23:13+09:00", "utc": "1945-08-24T12:23:13Z", "ms": -768569806557.7678 }, "end": { "local": "1945-08-24T21:23:13+09:00", "utc": "1945-08-24T12:23:13Z", "ms": -768569806557.7678 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-08-25", "window": { "start": { "local": "1945-08-25T21:58:41+09:00", "utc": "1945-08-25T12:58:41Z", "ms": -768481278732.4197 }, "end": { "local": "1945-08-25T21:58:41+09:00", "utc": "1945-08-25T12:58:41Z", "ms": -768481278732.4197 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:23 on Fri 24 Aug to 15:27 on Sat 25 Aug.", "fact": "1945-08-24T09:23:01Z → 1945-08-25T06:26:55Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 24th and 21:59 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 24th and is not on the 25th.", "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 10812 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1945: Friday 24 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": "1945-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-24", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1945 falls on Friday 24 August. Dvitīyā runs from 18:23 on Fri 24 Aug to 15:27 on Sat 25 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3790, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-08-25T15:26:55+09:00", "utc": "1945-08-25T06:26:55Z", "ms": -768504784834.7533 }, "end": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-25T15:26:55+09:00", "utc": "1945-08-25T06:26:55Z", "ms": -768504784834.7533 }, "end": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-25", "window": { "start": { "local": "1945-08-25T13:27:18+09:00", "utc": "1945-08-25T04:27:18Z", "ms": -768511962042.8984 }, "end": { "local": "1945-08-25T14:15:18+09:00", "utc": "1945-08-25T05:15:18Z", "ms": -768509082042.8984 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-08-26", "window": { "start": { "local": "1945-08-26T13:27:01+09:00", "utc": "1945-08-26T04:27:01Z", "ms": -768425578586.1821 }, "end": { "local": "1945-08-26T14:15:01+09:00", "utc": "1945-08-26T05:15:01Z", "ms": -768422698586.1821 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:27 on Sat 25 Aug to 12:24 on Sun 26 Aug.", "fact": "1945-08-25T06:26:55Z → 1945-08-26T03:23:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 25th, 13:27–14:15 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 3790 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1945: Sunday 26 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": "1945-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1945 falls on Sunday 26 August. Tṛtīyā runs from 15:27 on Sat 25 Aug to 12:24 on Sun 26 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19439, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 }, "end": { "local": "1945-08-27T09:22:40+09:00", "utc": "1945-08-27T00:22:40Z", "ms": -768353840352.0037 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 }, "end": { "local": "1945-08-27T09:22:40+09:00", "utc": "1945-08-27T00:22:40Z", "ms": -768353840352.0037 } }, "kaala": "sayahna", "days": [ { "local_date": "1945-08-26", "window": { "start": { "local": "1945-08-26T17:47:50+09:00", "utc": "1945-08-26T08:47:50Z", "ms": -768409930357.5177 }, "end": { "local": "1945-08-26T20:25:42+09:00", "utc": "1945-08-26T11:25:42Z", "ms": -768400458205.0748 } }, "covered_min": 158, "window_min": 158, "qualifies": true }, { "local_date": "1945-08-27", "window": { "start": { "local": "1945-08-27T17:46:55+09:00", "utc": "1945-08-27T08:46:55Z", "ms": -768323585145.8364 }, "end": { "local": "1945-08-27T20:24:22+09:00", "utc": "1945-08-27T11:24:22Z", "ms": -768314138235.481 } }, "covered_min": 0, "window_min": 157, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:24 on Sun 26 Aug to 09:23 on Mon 27 Aug.", "fact": "1945-08-26T03:23:51Z → 1945-08-27T00:22:40Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:48–20:26 on the 26th, 17:47–20:24 on the 27th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 158 of 158 minutes on the 26th and 0 of 157 on the 27th.", "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 19439 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1945: Sunday 26 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": "1945-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Bahulā Caturthī 1945 falls on Sunday 26 August. Caturthī runs from 12:24 on Sun 26 Aug to 09:23 on Mon 27 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-08-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36541, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 }, "end": { "local": "1945-08-27T09:22:40+09:00", "utc": "1945-08-27T00:22:40Z", "ms": -768353840352.0037 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-26T12:23:51+09:00", "utc": "1945-08-26T03:23:51Z", "ms": -768429368923.1902 }, "end": { "local": "1945-08-27T09:22:40+09:00", "utc": "1945-08-27T00:22:40Z", "ms": -768353840352.0037 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-08-26", "window": { "start": { "local": "1945-08-26T22:32:52+09:00", "utc": "1945-08-26T13:32:52Z", "ms": -768392828225.1195 }, "end": { "local": "1945-08-26T22:32:52+09:00", "utc": "1945-08-26T13:32:52Z", "ms": -768392828225.1195 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-08-27", "window": { "start": { "local": "1945-08-27T23:07:13+09:00", "utc": "1945-08-27T14:07:13Z", "ms": -768304367490.5521 }, "end": { "local": "1945-08-27T23:07:13+09:00", "utc": "1945-08-27T14:07:13Z", "ms": -768304367490.5521 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:24 on Sun 26 Aug to 09:23 on Mon 27 Aug.", "fact": "1945-08-26T03:23:51Z → 1945-08-27T00:22:40Z" }, { "step": "kaala", "text": "Moonrise is at 22:33 on the 26th and 23:07 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 36541 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Sunday 26 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": "1945-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Sunday 26 August. Caturthī runs from 12:24 on Sun 26 Aug to 09:23 on Mon 27 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24912, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-08-28T06:31:15+09:00", "utc": "1945-08-27T21:31:15Z", "ms": -768277725294.3186 }, "end": { "local": "1945-08-29T03:56:10+09:00", "utc": "1945-08-28T18:56:10Z", "ms": -768200630356.8652 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-28T06:31:15+09:00", "utc": "1945-08-27T21:31:15Z", "ms": -768277725294.3186 }, "end": { "local": "1945-08-29T03:56:10+09:00", "utc": "1945-08-28T18:56:10Z", "ms": -768200630356.8652 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-28", "window": { "start": { "local": "1945-08-28T13:26:27+09:00", "utc": "1945-08-28T04:26:27Z", "ms": -768252812800.0208 }, "end": { "local": "1945-08-28T14:14:27+09:00", "utc": "1945-08-28T05:14:27Z", "ms": -768249932800.0208 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-29", "window": { "start": { "local": "1945-08-29T13:26:10+09:00", "utc": "1945-08-29T04:26:10Z", "ms": -768166430434.3951 }, "end": { "local": "1945-08-29T14:14:10+09:00", "utc": "1945-08-29T05:14:10Z", "ms": -768163550434.3951 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:31 on Tue 28 Aug to 03:56 on Wed 29 Aug.", "fact": "1945-08-27T21:31:15Z → 1945-08-28T18:56:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 28th, 13:26–14:14 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24912 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1945: Tuesday 28 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": "1945-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-28", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1945 falls on Tuesday 28 August. Ṣaṣṭhī runs from 06:31 on Tue 28 Aug to 03:56 on Wed 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 947, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-08-30T01:42:19+09:00", "utc": "1945-08-29T16:42:19Z", "ms": -768122260532.7606 }, "end": { "local": "1945-08-30T23:52:52+09:00", "utc": "1945-08-30T14:52:52Z", "ms": -768042427851.5482 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-30T01:42:19+09:00", "utc": "1945-08-29T16:42:19Z", "ms": -768122260532.7606 }, "end": { "local": "1945-08-30T23:52:52+09:00", "utc": "1945-08-30T14:52:52Z", "ms": -768042427851.5482 } }, "kaala": "nishita", "days": [ { "local_date": "1945-08-29", "window": { "start": { "local": "1945-08-30T01:26:33+09:00", "utc": "1945-08-29T16:26:33Z", "ms": -768123207437.4152 }, "end": { "local": "1945-08-30T02:14:33+09:00", "utc": "1945-08-29T17:14:33Z", "ms": -768120327437.4152 } }, "covered_min": 32, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-30", "window": { "start": { "local": "1945-08-31T01:26:15+09:00", "utc": "1945-08-30T16:26:15Z", "ms": -768036825427.4688 }, "end": { "local": "1945-08-31T02:14:15+09:00", "utc": "1945-08-30T17:14:15Z", "ms": -768033945427.4688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:42 on Thu 30 Aug to 23:53 on Thu 30 Aug.", "fact": "1945-08-29T16:42:19Z → 1945-08-30T14:52:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:27–02:15 on the 29th, 01:26–02:14 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 32 of 48 minutes on the 29th and 0 of 48 on the 30th.", "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 947 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1945: Wednesday 29 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": "1945-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-29", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1945 falls on Wednesday 29 August. Aṣṭamī runs from 01:42 on Thu 30 Aug to 23:53 on Thu 30 Aug and covers 32 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34200, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-08-29T03:56:10+09:00", "utc": "1945-08-28T18:56:10Z", "ms": -768200630356.8652 }, "end": { "local": "1945-08-30T01:42:19+09:00", "utc": "1945-08-29T16:42:19Z", "ms": -768122260532.7606 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-08-29T03:56:10+09:00", "utc": "1945-08-28T18:56:10Z", "ms": -768200630356.8652 }, "end": { "local": "1945-08-30T01:42:19+09:00", "utc": "1945-08-29T16:42:19Z", "ms": -768122260532.7606 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-08-29", "window": { "start": { "local": "1945-08-29T13:26:10+09:00", "utc": "1945-08-29T04:26:10Z", "ms": -768166430434.3951 }, "end": { "local": "1945-08-29T14:14:10+09:00", "utc": "1945-08-29T05:14:10Z", "ms": -768163550434.3951 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-08-30", "window": { "start": { "local": "1945-08-30T13:25:52+09:00", "utc": "1945-08-30T04:25:52Z", "ms": -768080048397.6384 }, "end": { "local": "1945-08-30T14:13:52+09:00", "utc": "1945-08-30T05:13:52Z", "ms": -768077168397.6384 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:56 on Wed 29 Aug to 01:42 on Thu 30 Aug.", "fact": "1945-08-28T18:56:10Z → 1945-08-29T16:42:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 29th, 13:26–14:14 on the 30th.", "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 29th and 0 of 48 on the 30th.", "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 34200 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1945: Wednesday 29 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": "1945-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-08-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1945 falls on Wednesday 29 August. Saptamī runs from 03:56 on Wed 29 Aug to 01:42 on Thu 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-09-02", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35418, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-09-01T21:31:25+09:00", "utc": "1945-09-01T12:31:25Z", "ms": -767878114723.6129 }, "end": { "local": "1945-09-02T19:58:40+08:00", "utc": "1945-09-02T11:58:40Z", "ms": -767793679549.6381 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-01T21:31:25+09:00", "utc": "1945-09-01T12:31:25Z", "ms": -767878114723.6129 }, "end": { "local": "1945-09-02T19:58:40+08:00", "utc": "1945-09-02T11:58:40Z", "ms": -767793679549.6381 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-09-02", "window": { "start": { "local": "1945-09-02T06:21:43+08:00", "utc": "1945-09-01T22:21:43Z", "ms": -767842696959.3185 }, "end": { "local": "1945-09-02T06:21:43+08:00", "utc": "1945-09-01T22:21:43Z", "ms": -767842696959.3185 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-09-03", "window": { "start": { "local": "1945-09-03T06:22:29+08:00", "utc": "1945-09-02T22:22:29Z", "ms": -767756251165.9608 }, "end": { "local": "1945-09-03T06:22:29+08:00", "utc": "1945-09-02T22:22:29Z", "ms": -767756251165.9608 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:31 on Sat 1 Sep to 19:59 on Sun 2 Sep.", "fact": "1945-09-01T12:31:25Z → 1945-09-02T11:58:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 2nd and 06:22 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 35418 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1945: Sunday 2 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": "1945-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1945 falls on Sunday 2 September. Ekādaśī runs from 21:31 on Sat 1 Sep to 19:59 on Sun 2 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-09-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-09-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2113, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-09-03T19:49:57+08:00", "utc": "1945-09-03T11:49:57Z", "ms": -767707802717.1146 }, "end": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-03T19:49:57+08:00", "utc": "1945-09-03T11:49:57Z", "ms": -767707802717.1146 }, "end": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-09-03", "window": { "start": { "local": "1945-09-03T19:14:45+08:00", "utc": "1945-09-03T11:14:45Z", "ms": -767709915296.927 }, "end": { "local": "1945-09-03T20:43:53+08:00", "utc": "1945-09-03T12:43:53Z", "ms": -767704567313.0543 } }, "covered_min": 54, "window_min": 89, "qualifies": true }, { "local_date": "1945-09-04", "window": { "start": { "local": "1945-09-04T19:13:20+08:00", "utc": "1945-09-04T11:13:20Z", "ms": -767623599808.4258 }, "end": { "local": "1945-09-04T20:42:46+08:00", "utc": "1945-09-04T12:42:46Z", "ms": -767618234462.3711 } }, "covered_min": 51, "window_min": 89, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:50 on Mon 3 Sep to 20:05 on Tue 4 Sep.", "fact": "1945-09-03T11:49:57Z → 1945-09-04T12:04:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:44 on the 3rd, 19:13–20:43 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 54 of 89 minutes on the 3rd and 51 of 89 on the 4th.", "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 2113 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Monday 3 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": "1945-09-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-03", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Monday 3 September. Trayodaśī runs from 19:50 on Mon 3 Sep to 20:05 on Tue 4 Sep and covers 54 of 89 minutes of pradoṣa that evening. It also reaches the next evening for 51 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/qingyang/festivals/1945/pradosha-vrata?on=1945-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-09-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13323, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 }, "end": { "local": "1945-09-05T20:42:17+08:00", "utc": "1945-09-05T12:42:17Z", "ms": -767531862864.2959 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 }, "end": { "local": "1945-09-05T20:42:17+08:00", "utc": "1945-09-05T12:42:17Z", "ms": -767531862864.2959 } }, "kaala": "nishita", "days": [ { "local_date": "1945-09-04", "window": { "start": { "local": "1945-09-05T00:24:40+08:00", "utc": "1945-09-04T16:24:40Z", "ms": -767604919760.7207 }, "end": { "local": "1945-09-05T01:12:40+08:00", "utc": "1945-09-04T17:12:40Z", "ms": -767602039760.7207 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-05", "window": { "start": { "local": "1945-09-06T00:24:21+08:00", "utc": "1945-09-05T16:24:21Z", "ms": -767518539404.1729 }, "end": { "local": "1945-09-06T01:12:21+08:00", "utc": "1945-09-05T17:12:21Z", "ms": -767515659404.1729 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:05 on Tue 4 Sep to 20:42 on Wed 5 Sep.", "fact": "1945-09-04T12:04:33Z → 1945-09-05T12:42:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 4th, 00:24–01:12 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 13323 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Tuesday 4 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": "1945-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-04", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Tuesday 4 September. Caturdaśī runs from 20:05 on Tue 4 Sep to 20:42 on Wed 5 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-05", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 39, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 }, "end": { "local": "1945-09-05T20:42:17+08:00", "utc": "1945-09-05T12:42:17Z", "ms": -767531862864.2959 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-04T20:04:33+08:00", "utc": "1945-09-04T12:04:33Z", "ms": -767620527494.9331 }, "end": { "local": "1945-09-05T20:42:17+08:00", "utc": "1945-09-05T12:42:17Z", "ms": -767531862864.2959 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-09-04", "window": { "start": { "local": "1945-09-04T19:13:20+08:00", "utc": "1945-09-04T11:13:20Z", "ms": -767623599808.4258 }, "end": { "local": "1945-09-04T20:42:46+08:00", "utc": "1945-09-04T12:42:46Z", "ms": -767618234462.3711 } }, "covered_min": 38, "window_min": 89, "qualifies": true }, { "local_date": "1945-09-05", "window": { "start": { "local": "1945-09-05T19:11:55+08:00", "utc": "1945-09-05T11:11:55Z", "ms": -767537284759.4868 }, "end": { "local": "1945-09-05T20:41:38+08:00", "utc": "1945-09-05T12:41:38Z", "ms": -767531901998.0697 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:05 on Tue 4 Sep to 20:42 on Wed 5 Sep.", "fact": "1945-09-04T12:04:33Z → 1945-09-05T12:42:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:43 on the 4th, 19:12–20:42 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 38 of 89 minutes on the 4th and 90 of 90 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 39 s < 300 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1945: Wednesday 5 September.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1945-09-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-05", "confidence": "boundary" } ], "quote": "In Qingyang, Aghora Caturdaśī 1945 falls on Wednesday 5 September. Caturdaśī runs from 20:05 on Tue 4 Sep to 20:42 on Wed 5 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 38 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 39 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30713, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-09-06T21:43:31+08:00", "utc": "1945-09-06T13:43:31Z", "ms": -767441789251.3436 }, "end": { "local": "1945-09-07T23:08:32+08:00", "utc": "1945-09-07T15:08:32Z", "ms": -767350287579.9749 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-06T21:43:31+08:00", "utc": "1945-09-06T13:43:31Z", "ms": -767441789251.3436 }, "end": { "local": "1945-09-07T23:08:32+08:00", "utc": "1945-09-07T15:08:32Z", "ms": -767350287579.9749 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-06", "window": { "start": { "local": "1945-09-06T12:23:38+08:00", "utc": "1945-09-06T04:23:38Z", "ms": -767475382086.6614 }, "end": { "local": "1945-09-06T13:11:38+08:00", "utc": "1945-09-06T05:11:38Z", "ms": -767472502086.6614 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-09-07", "window": { "start": { "local": "1945-09-07T12:23:18+08:00", "utc": "1945-09-07T04:23:18Z", "ms": -767389002149.9794 }, "end": { "local": "1945-09-07T13:11:18+08:00", "utc": "1945-09-07T05:11:18Z", "ms": -767386122149.9794 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:44 on Thu 6 Sep to 23:09 on Fri 7 Sep.", "fact": "1945-09-06T13:43:31Z → 1945-09-07T15:08:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 6th, 12:23–13:11 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 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30713 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1945: Friday 7 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": "1945-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1945 falls on Friday 7 September. Pratipadā runs from 21:44 on Thu 6 Sep to 23:09 on Fri 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33367, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1945-09-09T00:56:52+08:00", "utc": "1945-09-08T16:56:52Z", "ms": -767257388166.4119 }, "end": { "local": "1945-09-10T03:06:09+08:00", "utc": "1945-09-09T19:06:09Z", "ms": -767163230817.7325 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-09T00:56:52+08:00", "utc": "1945-09-08T16:56:52Z", "ms": -767257388166.4119 }, "end": { "local": "1945-09-10T03:06:09+08:00", "utc": "1945-09-09T19:06:09Z", "ms": -767163230817.7325 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-09", "window": { "start": { "local": "1945-09-09T12:22:37+08:00", "utc": "1945-09-09T04:22:37Z", "ms": -767216242855.417 }, "end": { "local": "1945-09-09T13:10:37+08:00", "utc": "1945-09-09T05:10:37Z", "ms": -767213362855.417 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-10", "window": { "start": { "local": "1945-09-10T12:22:17+08:00", "utc": "1945-09-10T04:22:17Z", "ms": -767129863466.2405 }, "end": { "local": "1945-09-10T13:10:17+08:00", "utc": "1945-09-10T05:10:17Z", "ms": -767126983466.2405 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:57 on Sun 9 Sep to 03:06 on Mon 10 Sep.", "fact": "1945-09-08T16:56:52Z → 1945-09-09T19:06:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 9th, 12:22–13:10 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33367 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1945: Sunday 9 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": "1945-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-09", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1945 falls on Sunday 9 September. Tṛtīyā runs from 00:57 on Sun 9 Sep to 03:06 on Mon 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24637, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-09-10T03:06:09+08:00", "utc": "1945-09-09T19:06:09Z", "ms": -767163230817.7325 }, "end": { "local": "1945-09-11T05:31:19+08:00", "utc": "1945-09-10T21:31:19Z", "ms": -767068121453.792 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-10T03:06:09+08:00", "utc": "1945-09-09T19:06:09Z", "ms": -767163230817.7325 }, "end": { "local": "1945-09-11T05:31:19+08:00", "utc": "1945-09-10T21:31:19Z", "ms": -767068121453.792 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-10", "window": { "start": { "local": "1945-09-10T12:22:17+08:00", "utc": "1945-09-10T04:22:17Z", "ms": -767129863466.2405 }, "end": { "local": "1945-09-10T13:10:17+08:00", "utc": "1945-09-10T05:10:17Z", "ms": -767126983466.2405 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-11", "window": { "start": { "local": "1945-09-11T12:21:56+08:00", "utc": "1945-09-11T04:21:56Z", "ms": -767043484227.325 }, "end": { "local": "1945-09-11T13:09:56+08:00", "utc": "1945-09-11T05:09:56Z", "ms": -767040604227.325 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:06 on Mon 10 Sep to 05:31 on Tue 11 Sep.", "fact": "1945-09-09T19:06:09Z → 1945-09-10T21:31:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 10th, 12:22–13:10 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24637 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1945: Monday 10 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": "1945-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1945 falls on Monday 10 September. Caturthī runs from 03:06 on Mon 10 Sep to 05:31 on Tue 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15460, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-09-11T05:31:19+08:00", "utc": "1945-09-10T21:31:19Z", "ms": -767068121453.792 }, "end": { "local": "1945-09-12T08:03:55+08:00", "utc": "1945-09-12T00:03:55Z", "ms": -766972564726.227 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-11T05:31:19+08:00", "utc": "1945-09-10T21:31:19Z", "ms": -767068121453.792 }, "end": { "local": "1945-09-12T08:03:55+08:00", "utc": "1945-09-12T00:03:55Z", "ms": -766972564726.227 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-11", "window": { "start": { "local": "1945-09-11T12:21:56+08:00", "utc": "1945-09-11T04:21:56Z", "ms": -767043484227.325 }, "end": { "local": "1945-09-11T13:09:56+08:00", "utc": "1945-09-11T05:09:56Z", "ms": -767040604227.325 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-12", "window": { "start": { "local": "1945-09-12T12:21:35+08:00", "utc": "1945-09-12T04:21:35Z", "ms": -766957105121.6323 }, "end": { "local": "1945-09-12T13:09:35+08:00", "utc": "1945-09-12T05:09:35Z", "ms": -766954225121.6323 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:31 on Tue 11 Sep to 08:04 on Wed 12 Sep.", "fact": "1945-09-10T21:31:19Z → 1945-09-12T00:03:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:22–13:10 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 15460 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1945: Tuesday 11 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": "1945-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-11", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1945 falls on Tuesday 11 September. Pañcamī runs from 05:31 on Tue 11 Sep to 08:04 on Wed 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6525, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-09-12T08:03:55+08:00", "utc": "1945-09-12T00:03:55Z", "ms": -766972564726.227 }, "end": { "local": "1945-09-13T10:32:29+08:00", "utc": "1945-09-13T02:32:29Z", "ms": -766877251015.8433 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-12T08:03:55+08:00", "utc": "1945-09-12T00:03:55Z", "ms": -766972564726.227 }, "end": { "local": "1945-09-13T10:32:29+08:00", "utc": "1945-09-13T02:32:29Z", "ms": -766877251015.8433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-12", "window": { "start": { "local": "1945-09-12T12:21:35+08:00", "utc": "1945-09-12T04:21:35Z", "ms": -766957105121.6323 }, "end": { "local": "1945-09-12T13:09:35+08:00", "utc": "1945-09-12T05:09:35Z", "ms": -766954225121.6323 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-13", "window": { "start": { "local": "1945-09-13T12:21:14+08:00", "utc": "1945-09-13T04:21:14Z", "ms": -766870726131.4634 }, "end": { "local": "1945-09-13T13:09:14+08:00", "utc": "1945-09-13T05:09:14Z", "ms": -766867846131.4634 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:04 on Wed 12 Sep to 10:32 on Thu 13 Sep.", "fact": "1945-09-12T00:03:55Z → 1945-09-13T02:32:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 12th, 12:21–13:09 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6525 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1945: Wednesday 12 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": "1945-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-12", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1945 falls on Wednesday 12 September. Ṣaṣṭhī runs from 08:04 on Wed 12 Sep to 10:32 on Thu 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1361, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-09-13T10:32:29+08:00", "utc": "1945-09-13T02:32:29Z", "ms": -766877251015.8433 }, "end": { "local": "1945-09-14T12:43:34+08:00", "utc": "1945-09-14T04:43:34Z", "ms": -766782986100.6512 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-13T10:32:29+08:00", "utc": "1945-09-13T02:32:29Z", "ms": -766877251015.8433 }, "end": { "local": "1945-09-14T12:43:34+08:00", "utc": "1945-09-14T04:43:34Z", "ms": -766782986100.6512 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-13", "window": { "start": { "local": "1945-09-13T12:21:14+08:00", "utc": "1945-09-13T04:21:14Z", "ms": -766870726131.4634 }, "end": { "local": "1945-09-13T13:09:14+08:00", "utc": "1945-09-13T05:09:14Z", "ms": -766867846131.4634 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-14", "window": { "start": { "local": "1945-09-14T12:20:53+08:00", "utc": "1945-09-14T04:20:53Z", "ms": -766784347238.6509 }, "end": { "local": "1945-09-14T13:08:53+08:00", "utc": "1945-09-14T05:08:53Z", "ms": -766781467238.6509 } }, "covered_min": 23, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:32 on Thu 13 Sep to 12:44 on Fri 14 Sep.", "fact": "1945-09-13T02:32:29Z → 1945-09-14T04:43:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 13th, 12:21–13:09 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 23 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1361 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1945: Thursday 13 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": "1945-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-13", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1945 falls on Thursday 13 September. Saptamī runs from 10:32 on Thu 13 Sep to 12:44 on Fri 14 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 23 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-15", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1361, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-09-14T12:43:34+08:00", "utc": "1945-09-14T04:43:34Z", "ms": -766782986100.6512 }, "end": { "local": "1945-09-15T14:23:46+08:00", "utc": "1945-09-15T06:23:46Z", "ms": -766690573755.5057 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-14T12:43:34+08:00", "utc": "1945-09-14T04:43:34Z", "ms": -766782986100.6512 }, "end": { "local": "1945-09-15T14:23:46+08:00", "utc": "1945-09-15T06:23:46Z", "ms": -766690573755.5057 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-14", "window": { "start": { "local": "1945-09-14T12:20:53+08:00", "utc": "1945-09-14T04:20:53Z", "ms": -766784347238.6509 }, "end": { "local": "1945-09-14T13:08:53+08:00", "utc": "1945-09-14T05:08:53Z", "ms": -766781467238.6509 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "1945-09-15", "window": { "start": { "local": "1945-09-15T12:20:32+08:00", "utc": "1945-09-15T04:20:32Z", "ms": -766697968424.1846 }, "end": { "local": "1945-09-15T13:08:32+08:00", "utc": "1945-09-15T05:08:32Z", "ms": -766695088424.1846 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:44 on Fri 14 Sep to 14:24 on Sat 15 Sep.", "fact": "1945-09-14T04:43:34Z → 1945-09-15T06:23:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 14th, 12:21–13:09 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 25 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1361 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1945: Saturday 15 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1945-09-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-15", "confidence": "boundary" } ], "quote": "In Qingyang, Rādhāṣṭamī 1945 falls on Saturday 15 September. Aṣṭamī runs from 12:44 on Fri 14 Sep to 14:24 on Sat 15 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 25 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/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-09-18", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29627, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-09-17T15:30:44+08:00", "utc": "1945-09-17T07:30:44Z", "ms": -766513755839.706 }, "end": { "local": "1945-09-18T14:47:40+08:00", "utc": "1945-09-18T06:47:40Z", "ms": -766429940257.5074 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-17T15:30:44+08:00", "utc": "1945-09-17T07:30:44Z", "ms": -766513755839.706 }, "end": { "local": "1945-09-18T14:47:40+08:00", "utc": "1945-09-18T06:47:40Z", "ms": -766429940257.5074 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-09-17", "window": { "start": { "local": "1945-09-17T06:33:07+08:00", "utc": "1945-09-16T22:33:07Z", "ms": -766546013031.7035 }, "end": { "local": "1945-09-17T06:33:07+08:00", "utc": "1945-09-16T22:33:07Z", "ms": -766546013031.7035 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-09-18", "window": { "start": { "local": "1945-09-18T06:33:53+08:00", "utc": "1945-09-17T22:33:53Z", "ms": -766459567406.6567 }, "end": { "local": "1945-09-18T06:33:53+08:00", "utc": "1945-09-17T22:33:53Z", "ms": -766459567406.6567 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:31 on Mon 17 Sep to 14:48 on Tue 18 Sep.", "fact": "1945-09-17T07:30:44Z → 1945-09-18T06:47:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 17th and 06:34 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 29627 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1945: Tuesday 18 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": "1945-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-18", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1945 falls on Tuesday 18 September. Ekādaśī runs from 15:31 on Mon 17 Sep to 14:48 on Tue 18 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-09-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 453, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-09-18T14:47:40+08:00", "utc": "1945-09-18T06:47:40Z", "ms": -766429940257.5074 }, "end": { "local": "1945-09-19T13:14:40+08:00", "utc": "1945-09-19T05:14:40Z", "ms": -766349120186.9445 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-18T14:47:40+08:00", "utc": "1945-09-18T06:47:40Z", "ms": -766429940257.5074 }, "end": { "local": "1945-09-19T13:14:40+08:00", "utc": "1945-09-19T05:14:40Z", "ms": -766349120186.9445 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-09-18", "window": { "start": { "local": "1945-09-18T12:19:28+08:00", "utc": "1945-09-18T04:19:28Z", "ms": -766438832255.9012 }, "end": { "local": "1945-09-18T13:07:28+08:00", "utc": "1945-09-18T05:07:28Z", "ms": -766435952255.9012 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-09-19", "window": { "start": { "local": "1945-09-19T12:19:06+08:00", "utc": "1945-09-19T04:19:06Z", "ms": -766352453554.6936 }, "end": { "local": "1945-09-19T13:07:06+08:00", "utc": "1945-09-19T05:07:06Z", "ms": -766349573554.6936 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:48 on Tue 18 Sep to 13:15 on Wed 19 Sep.", "fact": "1945-09-18T06:47:40Z → 1945-09-19T05:14:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 18th, 12:19–13:07 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 453 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1945: Wednesday 19 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": "1945-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-19", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1945 falls on Wednesday 19 September. Dvādaśī runs from 14:48 on Tue 18 Sep to 13:15 on Wed 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-09-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20215, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-09-19T13:14:40+08:00", "utc": "1945-09-19T05:14:40Z", "ms": -766349120186.9445 }, "end": { "local": "1945-09-20T10:57:27+08:00", "utc": "1945-09-20T02:57:27Z", "ms": -766270953368.8049 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-19T13:14:40+08:00", "utc": "1945-09-19T05:14:40Z", "ms": -766349120186.9445 }, "end": { "local": "1945-09-20T10:57:27+08:00", "utc": "1945-09-20T02:57:27Z", "ms": -766270953368.8049 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-09-19", "window": { "start": { "local": "1945-09-19T18:51:35+08:00", "utc": "1945-09-19T10:51:35Z", "ms": -766328905385.8425 }, "end": { "local": "1945-09-19T20:25:25+08:00", "utc": "1945-09-19T12:25:25Z", "ms": -766323274796.8 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1945-09-20", "window": { "start": { "local": "1945-09-20T18:50:06+08:00", "utc": "1945-09-20T10:50:06Z", "ms": -766242593686.2362 }, "end": { "local": "1945-09-20T20:24:15+08:00", "utc": "1945-09-20T12:24:15Z", "ms": -766236945211.2865 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:15 on Wed 19 Sep to 10:57 on Thu 20 Sep.", "fact": "1945-09-19T05:14:40Z → 1945-09-20T02:57:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:25 on the 19th, 18:50–20:24 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 94 of 94 minutes on the 19th and 0 of 94 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 20215 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Wednesday 19 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": "1945-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Wednesday 19 September. Trayodaśī runs from 13:15 on Wed 19 Sep to 10:57 on Thu 20 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3496, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-09-20T10:57:27+08:00", "utc": "1945-09-20T02:57:27Z", "ms": -766270953368.8049 }, "end": { "local": "1945-09-21T08:04:24+08:00", "utc": "1945-09-21T00:04:24Z", "ms": -766194936215.6016 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1945-09-20T10:57:27+08:00", "utc": "1945-09-20T02:57:27Z", "ms": -766270953368.8049 }, "end": { "local": "1945-09-21T08:04:24+08:00", "utc": "1945-09-21T00:04:24Z", "ms": -766194936215.6016 } }, "kaala": "udaya-3", "days": [ { "local_date": "1945-09-20", "window": { "start": { "local": "1945-09-20T06:35:24+08:00", "utc": "1945-09-19T22:35:24Z", "ms": -766286675968.0242 }, "end": { "local": "1945-09-20T09:02:20+08:00", "utc": "1945-09-20T01:02:20Z", "ms": -766277859511.6666 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "1945-09-21", "window": { "start": { "local": "1945-09-21T06:36:10+08:00", "utc": "1945-09-20T22:36:10Z", "ms": -766200230124.1132 }, "end": { "local": "1945-09-21T09:02:40+08:00", "utc": "1945-09-21T01:02:40Z", "ms": -766191440494.2319 } }, "covered_min": 88, "window_min": 146, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:57 on Thu 20 Sep to 08:04 on Fri 21 Sep.", "fact": "1945-09-20T02:57:27Z → 1945-09-21T00:04:24Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:35–09:02 on the 20th, 06:36–09:03 on the 21st.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 147 minutes on the 20th and 88 of 146 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3496 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1945: Thursday 20 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-09-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-20", "confidence": "boundary" } ], "quote": "In Qingyang, Ananta Caturdaśī 1945 falls on Thursday 20 September. Caturdaśī runs from 10:57 on Thu 20 Sep to 08:04 on Fri 21 Sep, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-09-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9367, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-09-24T18:03:50+08:00", "utc": "1945-09-24T10:03:50Z", "ms": -765899770096.0499 }, "end": { "local": "1945-09-25T14:49:48+08:00", "utc": "1945-09-25T06:49:48Z", "ms": -765825012462.3801 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-09-24T18:03:50+08:00", "utc": "1945-09-24T10:03:50Z", "ms": -765899770096.0499 }, "end": { "local": "1945-09-25T14:49:48+08:00", "utc": "1945-09-25T06:49:48Z", "ms": -765825012462.3801 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-09-24", "window": { "start": { "local": "1945-09-24T20:39:57+08:00", "utc": "1945-09-24T12:39:57Z", "ms": -765890402684.3914 }, "end": { "local": "1945-09-24T20:39:57+08:00", "utc": "1945-09-24T12:39:57Z", "ms": -765890402684.3914 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-09-25", "window": { "start": { "local": "1945-09-25T21:18:58+08:00", "utc": "1945-09-25T13:18:58Z", "ms": -765801662344.5288 }, "end": { "local": "1945-09-25T21:18:58+08:00", "utc": "1945-09-25T13:18:58Z", "ms": -765801662344.5288 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:04 on Mon 24 Sep to 14:50 on Tue 25 Sep.", "fact": "1945-09-24T10:03:50Z → 1945-09-25T06:49:48Z" }, { "step": "kaala", "text": "Moonrise is at 20:40 on the 24th and 21:19 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is 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": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9367 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Monday 24 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": "1945-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-24", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Monday 24 September. Caturthī runs from 18:04 on Mon 24 Sep to 14:50 on Tue 25 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36081, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-09-26T12:00:41+08:00", "utc": "1945-09-26T04:00:41Z", "ms": -765748759231.773 }, "end": { "local": "1945-09-27T09:42:57+08:00", "utc": "1945-09-27T01:42:57Z", "ms": -765670622988.2542 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-09-26T12:00:41+08:00", "utc": "1945-09-26T04:00:41Z", "ms": -765748759231.773 }, "end": { "local": "1945-09-27T09:42:57+08:00", "utc": "1945-09-27T01:42:57Z", "ms": -765670622988.2542 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-09-26", "window": { "start": { "local": "1945-09-26T22:02:02+08:00", "utc": "1945-09-26T14:02:02Z", "ms": -765712677740.9412 }, "end": { "local": "1945-09-26T22:02:02+08:00", "utc": "1945-09-26T14:02:02Z", "ms": -765712677740.9412 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-09-27", "window": { "start": { "local": "1945-09-27T22:50:06+08:00", "utc": "1945-09-27T14:50:06Z", "ms": -765623393833.8663 }, "end": { "local": "1945-09-27T22:50:06+08:00", "utc": "1945-09-27T14:50:06Z", "ms": -765623393833.8663 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:01 on Wed 26 Sep to 09:43 on Thu 27 Sep.", "fact": "1945-09-26T04:00:41Z → 1945-09-27T01:42:57Z" }, { "step": "kaala", "text": "Moonrise is at 22:02 on the 26th and 22:50 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36081 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1945: Wednesday 26 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": "1945-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-26", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1945 falls on Wednesday 26 September. Ṣaṣṭhī runs from 12:01 on Wed 26 Sep to 09:43 on Thu 27 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38256, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-09-28T08:00:47+08:00", "utc": "1945-09-28T00:00:47Z", "ms": -765590353418.9015 }, "end": { "local": "1945-09-29T06:55:50+08:00", "utc": "1945-09-28T22:55:50Z", "ms": -765507849716.6849 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-09-28T08:00:47+08:00", "utc": "1945-09-28T00:00:47Z", "ms": -765590353418.9015 }, "end": { "local": "1945-09-29T06:55:50+08:00", "utc": "1945-09-28T22:55:50Z", "ms": -765507849716.6849 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-09-28", "window": { "start": { "local": "1945-09-28T18:38:23+08:00", "utc": "1945-09-28T10:38:23Z", "ms": -765552097008.8738 }, "end": { "local": "1945-09-28T20:14:55+08:00", "utc": "1945-09-28T12:14:55Z", "ms": -765546305145.1777 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1945-09-29", "window": { "start": { "local": "1945-09-29T18:36:56+08:00", "utc": "1945-09-29T10:36:56Z", "ms": -765465784075.506 }, "end": { "local": "1945-09-29T20:13:46+08:00", "utc": "1945-09-29T12:13:46Z", "ms": -765459974280.5 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:01 on Fri 28 Sep to 06:56 on Sat 29 Sep.", "fact": "1945-09-28T00:00:47Z → 1945-09-28T22:55:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:15 on the 28th, 18:37–20:14 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 28th and 0 of 97 on the 29th.", "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 38256 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1945: Friday 28 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": "1945-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1945 falls on Friday 28 September. Aṣṭamī runs from 08:01 on Fri 28 Sep to 06:56 on Sat 29 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25954, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-09-28T08:00:47+08:00", "utc": "1945-09-28T00:00:47Z", "ms": -765590353418.9015 }, "end": { "local": "1945-09-29T06:55:50+08:00", "utc": "1945-09-28T22:55:50Z", "ms": -765507849716.6849 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-09-28T08:00:47+08:00", "utc": "1945-09-28T00:00:47Z", "ms": -765590353418.9015 }, "end": { "local": "1945-09-29T06:55:50+08:00", "utc": "1945-09-28T22:55:50Z", "ms": -765507849716.6849 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-09-27", "window": { "start": { "local": "1945-09-27T22:50:06+08:00", "utc": "1945-09-27T14:50:06Z", "ms": -765623393833.8663 }, "end": { "local": "1945-09-27T22:50:06+08:00", "utc": "1945-09-27T14:50:06Z", "ms": -765623393833.8663 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-09-28", "window": { "start": { "local": "1945-09-28T23:43:17+08:00", "utc": "1945-09-28T15:43:17Z", "ms": -765533803305.4078 }, "end": { "local": "1945-09-28T23:43:17+08:00", "utc": "1945-09-28T15:43:17Z", "ms": -765533803305.4078 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:01 on Fri 28 Sep to 06:56 on Sat 29 Sep.", "fact": "1945-09-28T00:00:47Z → 1945-09-28T22:55:50Z" }, { "step": "kaala", "text": "Moonrise is at 22:50 on the 27th and 23:43 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25954 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1945: Friday 28 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": "1945-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1945 falls on Friday 28 September. Aṣṭamī runs from 08:01 on Fri 28 Sep to 06:56 on Sat 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-10-02", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 659, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-10-01T06:32:58+08:00", "utc": "1945-09-30T22:32:58Z", "ms": -765336422164.3591 }, "end": { "local": "1945-10-02T07:08:43+08:00", "utc": "1945-10-01T23:08:43Z", "ms": -765247877491.7631 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-01T06:32:58+08:00", "utc": "1945-09-30T22:32:58Z", "ms": -765336422164.3591 }, "end": { "local": "1945-10-02T07:08:43+08:00", "utc": "1945-10-01T23:08:43Z", "ms": -765247877491.7631 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-10-01", "window": { "start": { "local": "1945-10-01T06:43:57+08:00", "utc": "1945-09-30T22:43:57Z", "ms": -765335762953.5801 }, "end": { "local": "1945-10-01T06:43:57+08:00", "utc": "1945-09-30T22:43:57Z", "ms": -765335762953.5801 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-10-02", "window": { "start": { "local": "1945-10-02T06:44:45+08:00", "utc": "1945-10-01T22:44:45Z", "ms": -765249315044.384 }, "end": { "local": "1945-10-02T06:44:45+08:00", "utc": "1945-10-01T22:44:45Z", "ms": -765249315044.384 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:33 on Mon 1 Oct to 07:09 on Tue 2 Oct.", "fact": "1945-09-30T22:32:58Z → 1945-10-01T23:08:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 1st and 06:45 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is on the 2nd.", "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 659 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1945: Tuesday 2 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": "1945-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1945 falls on Tuesday 2 October. Ekādaśī runs from 06:33 on Mon 1 Oct to 07:09 on Tue 2 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-10-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32062, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-10-03T08:10:42+08:00", "utc": "1945-10-03T00:10:42Z", "ms": -765157758184.4408 }, "end": { "local": "1945-10-04T09:35:24+08:00", "utc": "1945-10-04T01:35:24Z", "ms": -765066276207.462 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-03T08:10:42+08:00", "utc": "1945-10-03T00:10:42Z", "ms": -765157758184.4408 }, "end": { "local": "1945-10-04T09:35:24+08:00", "utc": "1945-10-04T01:35:24Z", "ms": -765066276207.462 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-10-03", "window": { "start": { "local": "1945-10-03T18:31:11+08:00", "utc": "1945-10-03T10:31:11Z", "ms": -765120529188.7382 }, "end": { "local": "1945-10-03T20:09:12+08:00", "utc": "1945-10-03T12:09:12Z", "ms": -765114647756.3019 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1945-10-04", "window": { "start": { "local": "1945-10-04T18:29:45+08:00", "utc": "1945-10-04T10:29:45Z", "ms": -765034214539.622 }, "end": { "local": "1945-10-04T20:08:05+08:00", "utc": "1945-10-04T12:08:05Z", "ms": -765028315233.2169 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:11 on Wed 3 Oct to 09:35 on Thu 4 Oct.", "fact": "1945-10-03T00:10:42Z → 1945-10-04T01:35:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:09 on the 3rd, 18:30–20:08 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 98 of 98 minutes on the 3rd and 0 of 98 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 32062 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Wednesday 3 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": "1945-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-03", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Wednesday 3 October. Trayodaśī runs from 08:11 on Wed 3 Oct to 09:35 on Thu 4 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-10-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30758, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-10-04T09:35:24+08:00", "utc": "1945-10-04T01:35:24Z", "ms": -765066276207.462 }, "end": { "local": "1945-10-05T11:20:00+08:00", "utc": "1945-10-05T03:20:00Z", "ms": -764973599629.3237 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-04T09:35:24+08:00", "utc": "1945-10-04T01:35:24Z", "ms": -765066276207.462 }, "end": { "local": "1945-10-05T11:20:00+08:00", "utc": "1945-10-05T03:20:00Z", "ms": -764973599629.3237 } }, "kaala": "nishita", "days": [ { "local_date": "1945-10-03", "window": { "start": { "local": "1945-10-04T00:14:46+08:00", "utc": "1945-10-03T16:14:46Z", "ms": -765099913817.1023 }, "end": { "local": "1945-10-04T01:02:46+08:00", "utc": "1945-10-03T17:02:46Z", "ms": -765097033817.1023 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-10-04", "window": { "start": { "local": "1945-10-05T00:14:28+08:00", "utc": "1945-10-04T16:14:28Z", "ms": -765013532140.6033 }, "end": { "local": "1945-10-05T01:02:28+08:00", "utc": "1945-10-04T17:02:28Z", "ms": -765010652140.6033 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:35 on Thu 4 Oct to 11:20 on Fri 5 Oct.", "fact": "1945-10-04T01:35:24Z → 1945-10-05T03:20:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 3rd, 00:14–01:02 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 48 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 30758 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Thursday 4 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": "1945-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-04", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Thursday 4 October. Caturdaśī runs from 09:35 on Thu 4 Oct to 11:20 on Fri 5 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1506, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1945-10-05T11:20:00+08:00", "utc": "1945-10-05T03:20:00Z", "ms": -764973599629.3237 }, "end": { "local": "1945-10-06T13:22:16+08:00", "utc": "1945-10-06T05:22:16Z", "ms": -764879864171.9736 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-05T11:20:00+08:00", "utc": "1945-10-05T03:20:00Z", "ms": -764973599629.3237 }, "end": { "local": "1945-10-06T13:22:16+08:00", "utc": "1945-10-06T05:22:16Z", "ms": -764879864171.9736 } }, "kaala": "aparahna", "days": [ { "local_date": "1945-10-05", "window": { "start": { "local": "1945-10-05T13:47:52+08:00", "utc": "1945-10-05T05:47:52Z", "ms": -764964727575.245 }, "end": { "local": "1945-10-05T16:08:06+08:00", "utc": "1945-10-05T08:08:06Z", "ms": -764956313519.7986 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "1945-10-06", "window": { "start": { "local": "1945-10-06T13:47:21+08:00", "utc": "1945-10-06T05:47:21Z", "ms": -764878358664.9423 }, "end": { "local": "1945-10-06T16:07:09+08:00", "utc": "1945-10-06T08:07:09Z", "ms": -764869971300.1141 } }, "covered_min": 0, "window_min": 140, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:20 on Fri 5 Oct to 13:22 on Sat 6 Oct.", "fact": "1945-10-05T03:20:00Z → 1945-10-06T05:22:16Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:48–16:08 on the 5th, 13:47–16:07 on the 6th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 140 of 140 minutes on the 5th and 0 of 140 on the 6th.", "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 1506 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1945: Friday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-05", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1945 falls on Friday 5 October. Amāvasyā runs from 11:20 on Fri 5 Oct to 13:22 on Sat 6 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1248, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-10-06T13:22:16+08:00", "utc": "1945-10-06T05:22:16Z", "ms": -764879864171.9736 }, "end": { "local": "1945-10-07T15:39:49+08:00", "utc": "1945-10-07T07:39:49Z", "ms": -764785210995.8354 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-06T13:22:16+08:00", "utc": "1945-10-06T05:22:16Z", "ms": -764879864171.9736 }, "end": { "local": "1945-10-07T15:39:49+08:00", "utc": "1945-10-07T07:39:49Z", "ms": -764785210995.8354 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-10-06", "window": { "start": { "local": "1945-10-06T12:13:28+08:00", "utc": "1945-10-06T04:13:28Z", "ms": -764883992347.3563 }, "end": { "local": "1945-10-06T13:01:28+08:00", "utc": "1945-10-06T05:01:28Z", "ms": -764881112347.3563 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-10-07", "window": { "start": { "local": "1945-10-07T12:13:10+08:00", "utc": "1945-10-07T04:13:10Z", "ms": -764797609708.8081 }, "end": { "local": "1945-10-07T13:01:10+08:00", "utc": "1945-10-07T05:01:10Z", "ms": -764794729708.8081 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:22 on Sat 6 Oct to 15:40 on Sun 7 Oct.", "fact": "1945-10-06T05:22:16Z → 1945-10-07T07:39:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 6th, 12:13–13:01 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 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1248 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1945: Sunday 7 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": "1945-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-07", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1945 falls on Sunday 7 October. Pratipadā runs from 13:22 on Sat 6 Oct to 15:40 on Sun 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-10-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27895, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-10-09T20:45:31+08:00", "utc": "1945-10-09T12:45:31Z", "ms": -764594068658.0294 }, "end": { "local": "1945-10-10T23:20:40+08:00", "utc": "1945-10-10T15:20:40Z", "ms": -764498360118.7582 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-09T20:45:31+08:00", "utc": "1945-10-09T12:45:31Z", "ms": -764594068658.0294 }, "end": { "local": "1945-10-10T23:20:40+08:00", "utc": "1945-10-10T15:20:40Z", "ms": -764498360118.7582 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-10-09", "window": { "start": { "local": "1945-10-09T12:12:37+08:00", "utc": "1945-10-09T04:12:37Z", "ms": -764624843215.5635 }, "end": { "local": "1945-10-09T13:00:37+08:00", "utc": "1945-10-09T05:00:37Z", "ms": -764621963215.5635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-10-10", "window": { "start": { "local": "1945-10-10T12:12:21+08:00", "utc": "1945-10-10T04:12:21Z", "ms": -764538459327.2031 }, "end": { "local": "1945-10-10T13:00:21+08:00", "utc": "1945-10-10T05:00:21Z", "ms": -764535579327.2031 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:46 on Tue 9 Oct to 23:21 on Wed 10 Oct.", "fact": "1945-10-09T12:45:31Z → 1945-10-10T15:20:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 9th, 12:12–13:00 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27895 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Wednesday 10 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": "1945-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Wednesday 10 October. Caturthī runs from 20:46 on Tue 9 Oct to 23:21 on Wed 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6203, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-10-13T03:45:19+08:00", "utc": "1945-10-12T19:45:19Z", "ms": -764309680613.5869 }, "end": { "local": "1945-10-14T05:11:19+08:00", "utc": "1945-10-13T21:11:19Z", "ms": -764218121027.7821 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-13T03:45:19+08:00", "utc": "1945-10-12T19:45:19Z", "ms": -764309680613.5869 }, "end": { "local": "1945-10-14T05:11:19+08:00", "utc": "1945-10-13T21:11:19Z", "ms": -764218121027.7821 } }, "kaala": "udaya-1", "days": [ { "local_date": "1945-10-13", "window": { "start": { "local": "1945-10-13T06:53:50+08:00", "utc": "1945-10-12T22:53:50Z", "ms": -764298369634.108 }, "end": { "local": "1945-10-13T07:39:24+08:00", "utc": "1945-10-12T23:39:24Z", "ms": -764295635668.531 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "1945-10-14", "window": { "start": { "local": "1945-10-14T06:54:42+08:00", "utc": "1945-10-13T22:54:42Z", "ms": -764211918238.6732 }, "end": { "local": "1945-10-14T07:40:07+08:00", "utc": "1945-10-13T23:40:07Z", "ms": -764209193020.2493 } }, "covered_min": 0, "window_min": 45, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:45 on Sat 13 Oct to 05:11 on Sun 14 Oct.", "fact": "1945-10-12T19:45:19Z → 1945-10-13T21:11:19Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:54–07:39 on the 13th, 06:55–07:40 on the 14th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 46 of 46 minutes on the 13th and 0 of 45 on the 14th.", "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 6203 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1945: Saturday 13 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": "1945-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-13", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1945 falls on Saturday 13 October. Saptamī runs from 03:45 on Sat 13 Oct to 05:11 on Sun 14 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22703, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-10-14T05:11:19+08:00", "utc": "1945-10-13T21:11:19Z", "ms": -764218121027.7821 }, "end": { "local": "1945-10-15T05:52:44+08:00", "utc": "1945-10-14T21:52:44Z", "ms": -764129235552.7732 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-14T05:11:19+08:00", "utc": "1945-10-13T21:11:19Z", "ms": -764218121027.7821 }, "end": { "local": "1945-10-15T05:52:44+08:00", "utc": "1945-10-14T21:52:44Z", "ms": -764129235552.7732 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-10-14", "window": { "start": { "local": "1945-10-14T12:11:21+08:00", "utc": "1945-10-14T04:11:21Z", "ms": -764192919100.4937 }, "end": { "local": "1945-10-14T12:59:21+08:00", "utc": "1945-10-14T04:59:21Z", "ms": -764190039100.4937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-10-15", "window": { "start": { "local": "1945-10-15T12:11:07+08:00", "utc": "1945-10-15T04:11:07Z", "ms": -764106532789.7948 }, "end": { "local": "1945-10-15T12:59:07+08:00", "utc": "1945-10-15T04:59:07Z", "ms": -764103652789.7948 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:11 on Sun 14 Oct to 05:53 on Mon 15 Oct.", "fact": "1945-10-13T21:11:19Z → 1945-10-14T21:52:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 14th, 12:11–12:59 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22703 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1945: Sunday 14 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": "1945-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-14", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1945 falls on Sunday 14 October. Aṣṭamī runs from 05:11 on Sun 14 Oct to 05:53 on Mon 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22703, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1945-10-15T05:52:44+08:00", "utc": "1945-10-14T21:52:44Z", "ms": -764129235552.7732 }, "end": { "local": "1945-10-16T05:43:23+08:00", "utc": "1945-10-15T21:43:23Z", "ms": -764043397368.6849 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-15T05:52:44+08:00", "utc": "1945-10-14T21:52:44Z", "ms": -764129235552.7732 }, "end": { "local": "1945-10-16T05:43:23+08:00", "utc": "1945-10-15T21:43:23Z", "ms": -764043397368.6849 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-10-15", "window": { "start": { "local": "1945-10-15T12:11:07+08:00", "utc": "1945-10-15T04:11:07Z", "ms": -764106532789.7948 }, "end": { "local": "1945-10-15T12:59:07+08:00", "utc": "1945-10-15T04:59:07Z", "ms": -764103652789.7948 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-10-16", "window": { "start": { "local": "1945-10-16T12:10:54+08:00", "utc": "1945-10-16T04:10:54Z", "ms": -764020145942.4479 }, "end": { "local": "1945-10-16T12:58:54+08:00", "utc": "1945-10-16T04:58:54Z", "ms": -764017265942.4479 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:53 on Mon 15 Oct to 05:43 on Tue 16 Oct.", "fact": "1945-10-14T21:52:44Z → 1945-10-15T21:43:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 15th, 12:11–12:59 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22703 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1945: Monday 15 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": "1945-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1945 falls on Monday 15 October. Navamī runs from 05:53 on Mon 15 Oct to 05:43 on Tue 16 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4383, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1945-10-16T05:43:23+08:00", "utc": "1945-10-15T21:43:23Z", "ms": -764043397368.6849 }, "end": { "local": "1945-10-17T04:41:21+08:00", "utc": "1945-10-16T20:41:21Z", "ms": -763960718905.374 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1945-10-16T05:43:23+08:00", "utc": "1945-10-15T21:43:23Z", "ms": -764043397368.6849 }, "end": { "local": "1945-10-16T16:54:59+08:00", "utc": "1945-10-16T08:54:59Z", "ms": -764003101029.5837 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1945-10-15T16:49:29+08:00", "utc": "1945-10-15T08:49:29Z", "ms": -764089830937.3822 }, "end": { "local": "1945-10-16T16:54:59+08:00", "utc": "1945-10-16T08:54:59Z", "ms": -764003101029.5837 } } }, "kaala": "daytime", "days": [ { "local_date": "1945-10-15", "window": { "start": { "local": "1945-10-15T06:55:33+08:00", "utc": "1945-10-14T22:55:33Z", "ms": -764125466522.4657 }, "end": { "local": "1945-10-15T18:14:41+08:00", "utc": "1945-10-15T10:14:41Z", "ms": -764084719057.1239 } }, "covered_min": 0, "window_min": 679, "qualifies": false }, { "local_date": "1945-10-16", "window": { "start": { "local": "1945-10-16T06:56:26+08:00", "utc": "1945-10-15T22:56:26Z", "ms": -764039014481.7227 }, "end": { "local": "1945-10-16T18:13:23+08:00", "utc": "1945-10-16T10:13:23Z", "ms": -763998397403.1731 } }, "covered_min": 599, "window_min": 677, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 05:43 on Tue 16 Oct to 04:41 on Wed 17 Oct, and Śravaṇa from 16:49 on Mon 15 Oct to 16:55 on Tue 16 Oct. They are together from 05:43 on Tue 16 Oct to 16:55 on Tue 16 Oct.", "fact": "1945-10-15T21:43:23Z → 1945-10-16T08:54:59Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:56–18:15 on the 15th, 06:56–18:13 on the 16th.", "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 679 minutes on the 15th and 599 of 677 on the 16th.", "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 4383 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1945: Tuesday 16 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": "1945-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-16", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1945 falls on Tuesday 16 October. Daśamī runs from 05:43 on Tue 16 Oct to 04:41 on Wed 17 Oct and is with Śravaṇa in the day time that day, for 599 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-10-17", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8157, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-10-17T04:41:21+08:00", "utc": "1945-10-16T20:41:21Z", "ms": -763960718905.374 }, "end": { "local": "1945-10-18T02:49:04+08:00", "utc": "1945-10-17T18:49:04Z", "ms": -763881055625.8389 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-17T04:41:21+08:00", "utc": "1945-10-16T20:41:21Z", "ms": -763960718905.374 }, "end": { "local": "1945-10-18T02:49:04+08:00", "utc": "1945-10-17T18:49:04Z", "ms": -763881055625.8389 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-10-17", "window": { "start": { "local": "1945-10-17T06:57:18+08:00", "utc": "1945-10-16T22:57:18Z", "ms": -763952562112.4404 }, "end": { "local": "1945-10-17T06:57:18+08:00", "utc": "1945-10-16T22:57:18Z", "ms": -763952562112.4404 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-10-18", "window": { "start": { "local": "1945-10-18T06:58:11+08:00", "utc": "1945-10-17T22:58:11Z", "ms": -763866109410.0802 }, "end": { "local": "1945-10-18T06:58:11+08:00", "utc": "1945-10-17T22:58:11Z", "ms": -763866109410.0802 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:41 on Wed 17 Oct to 02:49 on Thu 18 Oct.", "fact": "1945-10-16T20:41:21Z → 1945-10-17T18:49:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 17th and 06:58 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 8157 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1945: Wednesday 17 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": "1945-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1945 falls on Wednesday 17 October. Ekādaśī runs from 04:41 on Wed 17 Oct to 02:49 on Thu 18 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-10-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4090, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-10-19T00:12:33+08:00", "utc": "1945-10-18T16:12:33Z", "ms": -763804047119.8506 }, "end": { "local": "1945-10-19T21:00:26+08:00", "utc": "1945-10-19T13:00:26Z", "ms": -763729174396.3582 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1945-10-19T00:12:33+08:00", "utc": "1945-10-18T16:12:33Z", "ms": -763804047119.8506 }, "end": { "local": "1945-10-19T21:00:26+08:00", "utc": "1945-10-19T13:00:26Z", "ms": -763729174396.3582 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-10-18", "window": { "start": { "local": "1945-10-18T18:10:48+08:00", "utc": "1945-10-18T10:10:48Z", "ms": -763825751718.54 }, "end": { "local": "1945-10-18T19:53:14+08:00", "utc": "1945-10-18T11:53:14Z", "ms": -763819605671.968 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1945-10-19", "window": { "start": { "local": "1945-10-19T18:09:32+08:00", "utc": "1945-10-19T10:09:32Z", "ms": -763739427620.8601 }, "end": { "local": "1945-10-19T19:52:16+08:00", "utc": "1945-10-19T11:52:16Z", "ms": -763733264335.882 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:13 on Fri 19 Oct to 21:00 on Fri 19 Oct.", "fact": "1945-10-18T16:12:33Z → 1945-10-19T13:00:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:53 on the 18th, 18:10–19:52 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 102 minutes on the 18th and 103 of 103 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 4090 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Friday 19 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": "1945-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Friday 19 October. Trayodaśī runs from 00:13 on Fri 19 Oct to 21:00 on Fri 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10205, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-10-24T02:27:21+08:00", "utc": "1945-10-23T18:27:21Z", "ms": -763363958935.9082 }, "end": { "local": "1945-10-24T23:30:43+08:00", "utc": "1945-10-24T15:30:43Z", "ms": -763288157345.2856 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-10-24T02:27:21+08:00", "utc": "1945-10-23T18:27:21Z", "ms": -763363958935.9082 }, "end": { "local": "1945-10-24T23:30:43+08:00", "utc": "1945-10-24T15:30:43Z", "ms": -763288157345.2856 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-10-23", "window": { "start": { "local": "1945-10-23T19:53:05+08:00", "utc": "1945-10-23T11:53:05Z", "ms": -763387614546.0033 }, "end": { "local": "1945-10-23T19:53:05+08:00", "utc": "1945-10-23T11:53:05Z", "ms": -763387614546.0033 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-10-24", "window": { "start": { "local": "1945-10-24T20:40:38+08:00", "utc": "1945-10-24T12:40:38Z", "ms": -763298361958.0298 }, "end": { "local": "1945-10-24T20:40:38+08:00", "utc": "1945-10-24T12:40:38Z", "ms": -763298361958.0298 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:27 on Wed 24 Oct to 23:31 on Wed 24 Oct.", "fact": "1945-10-23T18:27:21Z → 1945-10-24T15:30:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:53 on the 23rd and 20:41 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10205 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1945: Wednesday 24 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": "1945-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1945 falls on Wednesday 24 October. Caturthī runs from 02:27 on Wed 24 Oct to 23:31 on Wed 24 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-10-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10205, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-10-24T02:27:21+08:00", "utc": "1945-10-23T18:27:21Z", "ms": -763363958935.9082 }, "end": { "local": "1945-10-24T23:30:43+08:00", "utc": "1945-10-24T15:30:43Z", "ms": -763288157345.2856 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-10-24T02:27:21+08:00", "utc": "1945-10-23T18:27:21Z", "ms": -763363958935.9082 }, "end": { "local": "1945-10-24T23:30:43+08:00", "utc": "1945-10-24T15:30:43Z", "ms": -763288157345.2856 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-10-23", "window": { "start": { "local": "1945-10-23T19:53:05+08:00", "utc": "1945-10-23T11:53:05Z", "ms": -763387614546.0033 }, "end": { "local": "1945-10-23T19:53:05+08:00", "utc": "1945-10-23T11:53:05Z", "ms": -763387614546.0033 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-10-24", "window": { "start": { "local": "1945-10-24T20:40:38+08:00", "utc": "1945-10-24T12:40:38Z", "ms": -763298361958.0298 }, "end": { "local": "1945-10-24T20:40:38+08:00", "utc": "1945-10-24T12:40:38Z", "ms": -763298361958.0298 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:27 on Wed 24 Oct to 23:31 on Wed 24 Oct.", "fact": "1945-10-23T18:27:21Z → 1945-10-24T15:30:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:53 on the 23rd and 20:41 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 10205 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Wednesday 24 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": "1945-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Wednesday 24 October. Caturthī runs from 02:27 on Wed 24 Oct to 23:31 on Wed 24 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17585, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-10-27T18:39:32+08:00", "utc": "1945-10-27T10:39:32Z", "ms": -763046428224.0441 }, "end": { "local": "1945-10-28T18:30:50+08:00", "utc": "1945-10-28T10:30:50Z", "ms": -762960549824.0387 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-10-27T18:39:32+08:00", "utc": "1945-10-27T10:39:32Z", "ms": -763046428224.0441 }, "end": { "local": "1945-10-28T18:30:50+08:00", "utc": "1945-10-28T10:30:50Z", "ms": -762960549824.0387 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-10-27", "window": { "start": { "local": "1945-10-27T23:32:36+08:00", "utc": "1945-10-27T15:32:36Z", "ms": -763028843615.8612 }, "end": { "local": "1945-10-27T23:32:36+08:00", "utc": "1945-10-27T15:32:36Z", "ms": -763028843615.8612 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-10-28", "window": { "start": { "local": "1945-10-29T00:34:15+08:00", "utc": "1945-10-28T16:34:15Z", "ms": -762938744548.2452 }, "end": { "local": "1945-10-29T00:34:15+08:00", "utc": "1945-10-28T16:34:15Z", "ms": -762938744548.2452 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:40 on Sat 27 Oct to 18:31 on Sun 28 Oct.", "fact": "1945-10-27T10:39:32Z → 1945-10-28T10:30:50Z" }, { "step": "kaala", "text": "Moonrise is at 23:33 on the 27th and 00:34 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17585 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1945: Saturday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-27", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1945 falls on Saturday 27 October. Aṣṭamī runs from 18:40 on Sat 27 Oct to 18:31 on Sun 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-10-31", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33633, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-10-30T20:12:19+08:00", "utc": "1945-10-30T12:12:19Z", "ms": -762781661416.8344 }, "end": { "local": "1945-10-31T21:50:33+08:00", "utc": "1945-10-31T13:50:33Z", "ms": -762689366668.0446 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-10-30T20:12:19+08:00", "utc": "1945-10-30T12:12:19Z", "ms": -762781661416.8344 }, "end": { "local": "1945-10-31T21:50:33+08:00", "utc": "1945-10-31T13:50:33Z", "ms": -762689366668.0446 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-10-31", "window": { "start": { "local": "1945-10-31T07:10:08+08:00", "utc": "1945-10-30T23:10:08Z", "ms": -762742191684.9307 }, "end": { "local": "1945-10-31T07:10:08+08:00", "utc": "1945-10-30T23:10:08Z", "ms": -762742191684.9307 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-11-01", "window": { "start": { "local": "1945-11-01T07:11:06+08:00", "utc": "1945-10-31T23:11:06Z", "ms": -762655733988.9651 }, "end": { "local": "1945-11-01T07:11:06+08:00", "utc": "1945-10-31T23:11:06Z", "ms": -762655733988.9651 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:12 on Tue 30 Oct to 21:51 on Wed 31 Oct.", "fact": "1945-10-30T12:12:19Z → 1945-10-31T13:50:33Z" }, { "step": "kaala", "text": "Sunrise is at 07:10 on the 31st and 07:11 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33633 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1945: Wednesday 31 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": "1945-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-10-31", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1945 falls on Wednesday 31 October. Ekādaśī runs from 20:12 on Tue 30 Oct to 21:51 on Wed 31 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7730, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-10-31T21:50:33+08:00", "utc": "1945-10-31T13:50:33Z", "ms": -762689366668.0446 }, "end": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-10-31T21:50:33+08:00", "utc": "1945-10-31T13:50:33Z", "ms": -762689366668.0446 }, "end": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-10-31", "window": { "start": { "local": "1945-10-31T17:55:40+08:00", "utc": "1945-10-31T09:55:40Z", "ms": -762703459797.1282 }, "end": { "local": "1945-10-31T19:41:44+08:00", "utc": "1945-10-31T11:41:44Z", "ms": -762697096356.0398 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1945-11-01", "window": { "start": { "local": "1945-11-01T17:54:38+08:00", "utc": "1945-11-01T09:54:38Z", "ms": -762617121585.259 }, "end": { "local": "1945-11-01T19:40:58+08:00", "utc": "1945-11-01T11:40:58Z", "ms": -762610742171.5309 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:51 on Wed 31 Oct to 23:51 on Thu 1 Nov.", "fact": "1945-10-31T13:50:33Z → 1945-11-01T15:51:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:42 on the 31st, 17:55–19:41 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 31st and 106 of 106 on the 1st.", "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 7730 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1945: Thursday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1945 falls on Thursday 1 November. Dvādaśī runs from 21:51 on Wed 31 Oct to 23:51 on Thu 1 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15028, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 }, "end": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 }, "end": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-11-01", "window": { "start": { "local": "1945-11-01T17:54:38+08:00", "utc": "1945-11-01T09:54:38Z", "ms": -762617121585.259 }, "end": { "local": "1945-11-01T19:40:58+08:00", "utc": "1945-11-01T11:40:58Z", "ms": -762610742171.5309 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1945-11-02", "window": { "start": { "local": "1945-11-02T17:53:38+08:00", "utc": "1945-11-02T09:53:38Z", "ms": -762530782064.5989 }, "end": { "local": "1945-11-02T19:40:13+08:00", "utc": "1945-11-02T11:40:13Z", "ms": -762524386813.4788 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:51 on Thu 1 Nov to 02:09 on Sat 3 Nov.", "fact": "1945-11-01T15:51:25Z → 1945-11-02T18:08:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:41 on the 1st, 17:54–19:40 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 0 of 106 minutes on the 1st and 107 of 107 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15028 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1945: Friday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1945 falls on Friday 2 November. Trayodaśī runs from 23:51 on Thu 1 Nov to 02:09 on Sat 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-11-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15028, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 }, "end": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-01T23:51:25+08:00", "utc": "1945-11-01T15:51:25Z", "ms": -762595714535.0049 }, "end": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-11-01", "window": { "start": { "local": "1945-11-01T17:54:38+08:00", "utc": "1945-11-01T09:54:38Z", "ms": -762617121585.259 }, "end": { "local": "1945-11-01T19:40:58+08:00", "utc": "1945-11-01T11:40:58Z", "ms": -762610742171.5309 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1945-11-02", "window": { "start": { "local": "1945-11-02T17:53:38+08:00", "utc": "1945-11-02T09:53:38Z", "ms": -762530782064.5989 }, "end": { "local": "1945-11-02T19:40:13+08:00", "utc": "1945-11-02T11:40:13Z", "ms": -762524386813.4788 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:51 on Thu 1 Nov to 02:09 on Sat 3 Nov.", "fact": "1945-11-01T15:51:25Z → 1945-11-02T18:08:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:41 on the 1st, 17:54–19:40 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 0 of 106 minutes on the 1st and 107 of 107 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 15028 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Friday 2 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": "1945-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Friday 2 November. Trayodaśī runs from 23:51 on Thu 1 Nov to 02:09 on Sat 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3035, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "end": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "end": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 } }, "kaala": "arunodaya", "days": [ { "local_date": "1945-11-03", "window": { "start": { "local": "1945-11-03T05:26:27+08:00", "utc": "1945-11-02T21:26:27Z", "ms": -762489212932.3182 }, "end": { "local": "1945-11-03T07:13:02+08:00", "utc": "1945-11-02T23:13:02Z", "ms": -762482817681.1981 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1945-11-04", "window": { "start": { "local": "1945-11-04T05:27:10+08:00", "utc": "1945-11-03T21:27:10Z", "ms": -762402770050.4923 }, "end": { "local": "1945-11-04T07:14:01+08:00", "utc": "1945-11-03T23:14:01Z", "ms": -762396359103.54 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:09 on Sat 3 Nov to 04:37 on Sun 4 Nov.", "fact": "1945-11-02T18:08:36Z → 1945-11-03T20:36:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:26–07:13 on the 3rd, 05:27–07:14 on the 4th.", "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 107 of 107 minutes on the 3rd and 0 of 107 on the 4th.", "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 3035 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1945: Saturday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1945 falls on Saturday 3 November. Caturdaśī runs from 02:09 on Sat 3 Nov to 04:37 on Sun 4 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/shivaratri?on=1945-11-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4275, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "end": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-03T02:08:36+08:00", "utc": "1945-11-02T18:08:36Z", "ms": -762501084430.8743 }, "end": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 } }, "kaala": "nishita", "days": [ { "local_date": "1945-11-02", "window": { "start": { "local": "1945-11-03T00:09:20+08:00", "utc": "1945-11-02T16:09:20Z", "ms": -762508239872.8984 }, "end": { "local": "1945-11-03T00:57:20+08:00", "utc": "1945-11-02T16:57:20Z", "ms": -762505359872.8984 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-03", "window": { "start": { "local": "1945-11-04T00:09:20+08:00", "utc": "1945-11-03T16:09:20Z", "ms": -762421840154.6108 }, "end": { "local": "1945-11-04T00:57:20+08:00", "utc": "1945-11-03T16:57:20Z", "ms": -762418960154.6108 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:09 on Sat 3 Nov to 04:37 on Sun 4 Nov.", "fact": "1945-11-02T18:08:36Z → 1945-11-03T20:36:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 2nd, 00:09–00:57 on the 3rd.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4275 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Saturday 3 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": "1945-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Saturday 3 November. Caturdaśī runs from 02:09 on Sat 3 Nov to 04:37 on Sun 4 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32225, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "end": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "end": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-11-03", "window": { "start": { "local": "1945-11-03T17:52:39+08:00", "utc": "1945-11-03T09:52:39Z", "ms": -762444441205.6818 }, "end": { "local": "1945-11-03T19:39:30+08:00", "utc": "1945-11-03T11:39:30Z", "ms": -762438030258.7295 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1945-11-04", "window": { "start": { "local": "1945-11-04T17:51:41+08:00", "utc": "1945-11-04T09:51:41Z", "ms": -762358098979.3982 }, "end": { "local": "1945-11-04T19:38:48+08:00", "utc": "1945-11-04T11:38:48Z", "ms": -762351672484.649 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:37 on Sun 4 Nov to 07:11 on Mon 5 Nov.", "fact": "1945-11-03T20:36:35Z → 1945-11-04T23:10:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:39 on the 3rd, 17:52–19:39 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 107 minutes on the 3rd and 107 of 107 on the 4th.", "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 32225 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1945: Sunday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1945 falls on Sunday 4 November. Amāvasyā runs from 04:37 on Sun 4 Nov to 07:11 on Mon 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13155, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "end": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-04T04:36:35+08:00", "utc": "1945-11-03T20:36:35Z", "ms": -762405804845.374 }, "end": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 } }, "kaala": "nishita", "days": [ { "local_date": "1945-11-03", "window": { "start": { "local": "1945-11-04T00:09:20+08:00", "utc": "1945-11-03T16:09:20Z", "ms": -762421840154.6108 }, "end": { "local": "1945-11-04T00:57:20+08:00", "utc": "1945-11-03T16:57:20Z", "ms": -762418960154.6108 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-04", "window": { "start": { "local": "1945-11-05T00:09:20+08:00", "utc": "1945-11-04T16:09:20Z", "ms": -762335439624.089 }, "end": { "local": "1945-11-05T00:57:20+08:00", "utc": "1945-11-04T16:57:20Z", "ms": -762332559624.089 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:37 on Sun 4 Nov to 07:11 on Mon 5 Nov.", "fact": "1945-11-03T20:36:35Z → 1945-11-04T23:10:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 3rd, 00:09–00:57 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13155 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1945: Sunday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kālī Pūjā 1945 falls on Sunday 4 November. Amāvasyā runs from 04:37 on Sun 4 Nov to 07:11 on Mon 5 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8578, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-05", "window": { "start": { "local": "1945-11-05T12:08:52+08:00", "utc": "1945-11-05T04:08:52Z", "ms": -762292267812.8705 }, "end": { "local": "1945-11-05T12:56:52+08:00", "utc": "1945-11-05T04:56:52Z", "ms": -762289387812.8705 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-11-06", "window": { "start": { "local": "1945-11-06T12:08:54+08:00", "utc": "1945-11-06T04:08:54Z", "ms": -762205865753.8984 }, "end": { "local": "1945-11-06T12:56:54+08:00", "utc": "1945-11-06T04:56:54Z", "ms": -762202985753.8984 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov.", "fact": "1945-11-04T23:10:36Z → 1945-11-06T01:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8578 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1945: Monday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1945 falls on Monday 5 November. Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29033, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-11-05", "window": { "start": { "local": "1945-11-05T17:50:45+08:00", "utc": "1945-11-05T09:50:45Z", "ms": -762271755356.9612 }, "end": { "local": "1945-11-05T19:38:07+08:00", "utc": "1945-11-05T11:38:07Z", "ms": -762265313469.0889 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1945-11-06", "window": { "start": { "local": "1945-11-06T17:49:50+08:00", "utc": "1945-11-06T09:49:50Z", "ms": -762185410309.8785 }, "end": { "local": "1945-11-06T19:37:27+08:00", "utc": "1945-11-06T11:37:27Z", "ms": -762178953190.3547 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov.", "fact": "1945-11-04T23:10:36Z → 1945-11-06T01:45:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:38 on the 5th, 17:50–19:37 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29033 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1945: Monday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1945 falls on Monday 5 November. Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-05", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 264, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-05T07:10:36+08:00", "utc": "1945-11-04T23:10:36Z", "ms": -762310164075.0485 }, "end": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 } }, "kaala": "purvahna", "days": [ { "local_date": "1945-11-05", "window": { "start": { "local": "1945-11-05T07:15:00+08:00", "utc": "1945-11-04T23:15:00Z", "ms": -762309900268.7798 }, "end": { "local": "1945-11-05T10:46:55+08:00", "utc": "1945-11-05T02:46:55Z", "ms": -762297185298.1736 } }, "covered_min": 212, "window_min": 212, "qualifies": true }, { "local_date": "1945-11-06", "window": { "start": { "local": "1945-11-06T07:15:59+08:00", "utc": "1945-11-05T23:15:59Z", "ms": -762223441197.9185 }, "end": { "local": "1945-11-06T10:47:16+08:00", "utc": "1945-11-06T02:47:16Z", "ms": -762210764235.2385 } }, "covered_min": 150, "window_min": 211, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov.", "fact": "1945-11-04T23:10:36Z → 1945-11-06T01:45:57Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:15–10:47 on the 5th, 07:16–10:47 on the 6th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 212 of 212 minutes on the 5th and 150 of 211 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 264 s < 300 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1945: Monday 5 November.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "1945-11-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-05", "confidence": "boundary" } ], "quote": "In Qingyang, Dyūta Pratipad 1945 falls on Monday 5 November. Pratipadā runs from 07:11 on Mon 5 Nov to 09:46 on Tue 6 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 150 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 504, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 }, "end": { "local": "1945-11-07T12:17:22+08:00", "utc": "1945-11-07T04:17:22Z", "ms": -762118958423.6671 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-06T09:45:57+08:00", "utc": "1945-11-06T01:45:57Z", "ms": -762214443392.5342 }, "end": { "local": "1945-11-07T12:17:22+08:00", "utc": "1945-11-07T04:17:22Z", "ms": -762118958423.6671 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-06", "window": { "start": { "local": "1945-11-06T12:08:54+08:00", "utc": "1945-11-06T04:08:54Z", "ms": -762205865753.8984 }, "end": { "local": "1945-11-06T12:56:54+08:00", "utc": "1945-11-06T04:56:54Z", "ms": -762202985753.8984 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-11-07", "window": { "start": { "local": "1945-11-07T12:08:57+08:00", "utc": "1945-11-07T04:08:57Z", "ms": -762119462861.6868 }, "end": { "local": "1945-11-07T12:56:57+08:00", "utc": "1945-11-07T04:56:57Z", "ms": -762116582861.6868 } }, "covered_min": 8, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:46 on Tue 6 Nov to 12:17 on Wed 7 Nov.", "fact": "1945-11-06T01:45:57Z → 1945-11-07T04:17:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 6th, 12:09–12:57 on the 7th.", "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 6th and 8 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 504 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1945: Tuesday 6 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": "1945-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-06", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1945 falls on Tuesday 6 November. Dvitīyā runs from 09:46 on Tue 6 Nov to 12:17 on Wed 7 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 8 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6087, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-11-08T14:38:28+08:00", "utc": "1945-11-08T06:38:28Z", "ms": -762024091778.2239 }, "end": { "local": "1945-11-09T16:41:39+08:00", "utc": "1945-11-09T08:41:39Z", "ms": -761930301224.9908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-08T14:38:28+08:00", "utc": "1945-11-08T06:38:28Z", "ms": -762024091778.2239 }, "end": { "local": "1945-11-09T16:41:39+08:00", "utc": "1945-11-09T08:41:39Z", "ms": -761930301224.9908 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-08", "window": { "start": { "local": "1945-11-08T12:09:01+08:00", "utc": "1945-11-08T04:09:01Z", "ms": -762033059134.2015 }, "end": { "local": "1945-11-08T12:57:01+08:00", "utc": "1945-11-08T04:57:01Z", "ms": -762030179134.2015 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-09", "window": { "start": { "local": "1945-11-09T12:09:05+08:00", "utc": "1945-11-09T04:09:05Z", "ms": -761946654570.1912 }, "end": { "local": "1945-11-09T12:57:05+08:00", "utc": "1945-11-09T04:57:05Z", "ms": -761943774570.1912 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:38 on Thu 8 Nov to 16:42 on Fri 9 Nov.", "fact": "1945-11-08T06:38:28Z → 1945-11-09T08:41:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 8th, 12:09–12:57 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6087 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1945: Friday 9 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": "1945-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-09", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1945 falls on Friday 9 November. Caturthī runs from 14:38 on Thu 8 Nov to 16:42 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-11-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6087, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-11-08T14:38:28+08:00", "utc": "1945-11-08T06:38:28Z", "ms": -762024091778.2239 }, "end": { "local": "1945-11-09T16:41:39+08:00", "utc": "1945-11-09T08:41:39Z", "ms": -761930301224.9908 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-08T14:38:28+08:00", "utc": "1945-11-08T06:38:28Z", "ms": -762024091778.2239 }, "end": { "local": "1945-11-09T16:41:39+08:00", "utc": "1945-11-09T08:41:39Z", "ms": -761930301224.9908 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-08", "window": { "start": { "local": "1945-11-08T12:09:01+08:00", "utc": "1945-11-08T04:09:01Z", "ms": -762033059134.2015 }, "end": { "local": "1945-11-08T12:57:01+08:00", "utc": "1945-11-08T04:57:01Z", "ms": -762030179134.2015 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-09", "window": { "start": { "local": "1945-11-09T12:09:05+08:00", "utc": "1945-11-09T04:09:05Z", "ms": -761946654570.1912 }, "end": { "local": "1945-11-09T12:57:05+08:00", "utc": "1945-11-09T04:57:05Z", "ms": -761943774570.1912 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:38 on Thu 8 Nov to 16:42 on Fri 9 Nov.", "fact": "1945-11-08T06:38:28Z → 1945-11-09T08:41:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 8th, 12:09–12:57 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 6087 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Friday 9 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": "1945-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-09", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Friday 9 November. Caturthī runs from 14:38 on Thu 8 Nov to 16:42 on Fri 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19275, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-11-10T18:18:26+08:00", "utc": "1945-11-10T10:18:26Z", "ms": -761838093893.5422 }, "end": { "local": "1945-11-11T19:20:32+08:00", "utc": "1945-11-11T11:20:32Z", "ms": -761747968408.1079 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-10T18:18:26+08:00", "utc": "1945-11-10T10:18:26Z", "ms": -761838093893.5422 }, "end": { "local": "1945-11-11T19:20:32+08:00", "utc": "1945-11-11T11:20:32Z", "ms": -761747968408.1079 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-10", "window": { "start": { "local": "1945-11-10T12:09:11+08:00", "utc": "1945-11-10T04:09:11Z", "ms": -761860249169.1255 }, "end": { "local": "1945-11-10T12:57:11+08:00", "utc": "1945-11-10T04:57:11Z", "ms": -761857369169.1255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-11", "window": { "start": { "local": "1945-11-11T12:09:17+08:00", "utc": "1945-11-11T04:09:17Z", "ms": -761773842931.1267 }, "end": { "local": "1945-11-11T12:57:17+08:00", "utc": "1945-11-11T04:57:17Z", "ms": -761770962931.1267 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:18 on Sat 10 Nov to 19:21 on Sun 11 Nov.", "fact": "1945-11-10T10:18:26Z → 1945-11-11T11:20:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19275 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1945: Sunday 11 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": "1945-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-11", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1945 falls on Sunday 11 November. Ṣaṣṭhī runs from 18:18 on Sat 10 Nov to 19:21 on Sun 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22675, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1945-11-12T19:41:00+08:00", "utc": "1945-11-12T11:41:00Z", "ms": -761660340108.6746 }, "end": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-12T19:41:00+08:00", "utc": "1945-11-12T11:41:00Z", "ms": -761660340108.6746 }, "end": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-12", "window": { "start": { "local": "1945-11-12T12:09:24+08:00", "utc": "1945-11-12T04:09:24Z", "ms": -761687435856.8813 }, "end": { "local": "1945-11-12T12:57:24+08:00", "utc": "1945-11-12T04:57:24Z", "ms": -761684555856.8813 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-13", "window": { "start": { "local": "1945-11-13T12:09:32+08:00", "utc": "1945-11-13T04:09:32Z", "ms": -761601027947.5227 }, "end": { "local": "1945-11-13T12:57:32+08:00", "utc": "1945-11-13T04:57:32Z", "ms": -761598147947.5227 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:41 on Mon 12 Nov to 19:15 on Tue 13 Nov.", "fact": "1945-11-12T11:41:00Z → 1945-11-13T11:15:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 12th, 12:10–12:58 on the 13th.", "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 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 22675 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1945: Tuesday 13 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": "1945-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-13", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1945 falls on Tuesday 13 November. Aṣṭamī runs from 19:41 on Mon 12 Nov to 19:15 on Tue 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25939, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 }, "end": { "local": "1945-11-14T18:02:45+08:00", "utc": "1945-11-14T10:02:45Z", "ms": -761493434972.6855 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 }, "end": { "local": "1945-11-14T18:02:45+08:00", "utc": "1945-11-14T10:02:45Z", "ms": -761493434972.6855 } }, "kaala": "purvahna", "days": [ { "local_date": "1945-11-13", "window": { "start": { "local": "1945-11-13T07:22:57+08:00", "utc": "1945-11-12T23:22:57Z", "ms": -761618223151.8124 }, "end": { "local": "1945-11-13T10:50:00+08:00", "utc": "1945-11-13T02:50:00Z", "ms": -761605799682.286 } }, "covered_min": 0, "window_min": 207, "qualifies": false }, { "local_date": "1945-11-14", "window": { "start": { "local": "1945-11-14T07:23:57+08:00", "utc": "1945-11-13T23:23:57Z", "ms": -761531763111.5525 }, "end": { "local": "1945-11-14T10:50:26+08:00", "utc": "1945-11-14T02:50:26Z", "ms": -761519373840.1683 } }, "covered_min": 206, "window_min": 206, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:15 on Tue 13 Nov to 18:03 on Wed 14 Nov.", "fact": "1945-11-13T11:15:28Z → 1945-11-14T10:02:45Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:23–10:50 on the 13th, 07:24–10:50 on the 14th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 207 minutes on the 13th and 206 of 206 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25939 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1945: Wednesday 14 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": "1945-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-14", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1945 falls on Wednesday 14 November. Navamī runs from 19:15 on Tue 13 Nov to 18:03 on Wed 14 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18304, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 }, "end": { "local": "1945-11-14T18:02:45+08:00", "utc": "1945-11-14T10:02:45Z", "ms": -761493434972.6855 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-13T19:15:28+08:00", "utc": "1945-11-13T11:15:28Z", "ms": -761575472476.5804 }, "end": { "local": "1945-11-14T18:02:45+08:00", "utc": "1945-11-14T10:02:45Z", "ms": -761493434972.6855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-13", "window": { "start": { "local": "1945-11-13T12:09:32+08:00", "utc": "1945-11-13T04:09:32Z", "ms": -761601027947.5227 }, "end": { "local": "1945-11-13T12:57:32+08:00", "utc": "1945-11-13T04:57:32Z", "ms": -761598147947.5227 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-14", "window": { "start": { "local": "1945-11-14T12:09:41+08:00", "utc": "1945-11-14T04:09:41Z", "ms": -761514619204.4763 }, "end": { "local": "1945-11-14T12:57:41+08:00", "utc": "1945-11-14T04:57:41Z", "ms": -761511739204.4763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:15 on Tue 13 Nov to 18:03 on Wed 14 Nov.", "fact": "1945-11-13T11:15:28Z → 1945-11-14T10:02:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 13th, 12:10–12:58 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18304 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1945: Wednesday 14 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": "1945-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-14", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1945 falls on Wednesday 14 November. Navamī runs from 19:15 on Tue 13 Nov to 18:03 on Wed 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-11-16", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21702, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-11-15T16:05:05+08:00", "utc": "1945-11-15T08:05:05Z", "ms": -761414095390.7413 }, "end": { "local": "1945-11-16T13:27:39+08:00", "utc": "1945-11-16T05:27:39Z", "ms": -761337141467.8668 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-15T16:05:05+08:00", "utc": "1945-11-15T08:05:05Z", "ms": -761414095390.7413 }, "end": { "local": "1945-11-16T13:27:39+08:00", "utc": "1945-11-16T05:27:39Z", "ms": -761337141467.8668 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-11-15", "window": { "start": { "local": "1945-11-15T07:24:57+08:00", "utc": "1945-11-14T23:24:57Z", "ms": -761445303080.506 }, "end": { "local": "1945-11-15T07:24:57+08:00", "utc": "1945-11-14T23:24:57Z", "ms": -761445303080.506 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-11-16", "window": { "start": { "local": "1945-11-16T07:25:57+08:00", "utc": "1945-11-15T23:25:57Z", "ms": -761358843089.016 }, "end": { "local": "1945-11-16T07:25:57+08:00", "utc": "1945-11-15T23:25:57Z", "ms": -761358843089.016 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:05 on Thu 15 Nov to 13:28 on Fri 16 Nov.", "fact": "1945-11-15T08:05:05Z → 1945-11-16T05:27:39Z" }, { "step": "kaala", "text": "Sunrise is at 07:25 on the 15th and 07:26 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21702 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1945: Friday 16 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": "1945-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-16", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1945 falls on Friday 16 November. Ekādaśī runs from 16:05 on Thu 15 Nov to 13:28 on Fri 16 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-11-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-11-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26606, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-11-17T10:18:01+08:00", "utc": "1945-11-17T02:18:01Z", "ms": -761262119102.126 }, "end": { "local": "1945-11-18T06:45:25+08:00", "utc": "1945-11-17T22:45:25Z", "ms": -761188474632.3264 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-17T10:18:01+08:00", "utc": "1945-11-17T02:18:01Z", "ms": -761262119102.126 }, "end": { "local": "1945-11-18T06:45:25+08:00", "utc": "1945-11-17T22:45:25Z", "ms": -761188474632.3264 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-11-17", "window": { "start": { "local": "1945-11-17T17:41:27+08:00", "utc": "1945-11-17T09:41:27Z", "ms": -761235512809.5602 }, "end": { "local": "1945-11-17T19:31:39+08:00", "utc": "1945-11-17T11:31:39Z", "ms": -761228900880.6595 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1945-11-18", "window": { "start": { "local": "1945-11-18T17:40:51+08:00", "utc": "1945-11-18T09:40:51Z", "ms": -761149148505.5376 }, "end": { "local": "1945-11-18T19:31:16+08:00", "utc": "1945-11-18T11:31:16Z", "ms": -761142523857.6599 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:18 on Sat 17 Nov to 06:45 on Sun 18 Nov.", "fact": "1945-11-17T02:18:01Z → 1945-11-17T22:45:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:32 on the 17th, 17:41–19:31 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 17th and 0 of 110 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26606 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Saturday 17 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": "1945-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Saturday 17 November. Trayodaśī runs from 10:18 on Sat 17 Nov to 06:45 on Sun 18 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33030, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-11-19T03:00:07+08:00", "utc": "1945-11-18T19:00:07Z", "ms": -761115593195.2126 }, "end": { "local": "1945-11-19T23:12:50+08:00", "utc": "1945-11-19T15:12:50Z", "ms": -761042830456.391 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-19T03:00:07+08:00", "utc": "1945-11-18T19:00:07Z", "ms": -761115593195.2126 }, "end": { "local": "1945-11-19T23:12:50+08:00", "utc": "1945-11-19T15:12:50Z", "ms": -761042830456.391 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-11-19", "window": { "start": { "local": "1945-11-19T12:10:37+08:00", "utc": "1945-11-19T04:10:37Z", "ms": -761082563032.9785 }, "end": { "local": "1945-11-19T12:58:37+08:00", "utc": "1945-11-19T04:58:37Z", "ms": -761079683032.9785 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-11-20", "window": { "start": { "local": "1945-11-20T12:10:51+08:00", "utc": "1945-11-20T04:10:51Z", "ms": -760996149315.8662 }, "end": { "local": "1945-11-20T12:58:51+08:00", "utc": "1945-11-20T04:58:51Z", "ms": -760993269315.8662 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:00 on Mon 19 Nov to 23:13 on Mon 19 Nov.", "fact": "1945-11-18T19:00:07Z → 1945-11-19T15:12:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 19th, 12:11–12:59 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33030 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1945: Monday 19 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": "1945-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-19", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1945 falls on Monday 19 November. Pūrṇimā runs from 03:00 on Mon 19 Nov to 23:13 on Mon 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3497, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-11-19T03:00:07+08:00", "utc": "1945-11-18T19:00:07Z", "ms": -761115593195.2126 }, "end": { "local": "1945-11-19T23:12:50+08:00", "utc": "1945-11-19T15:12:50Z", "ms": -761042830456.391 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1945-11-19T03:00:07+08:00", "utc": "1945-11-18T19:00:07Z", "ms": -761115593195.2126 }, "end": { "local": "1945-11-19T23:12:50+08:00", "utc": "1945-11-19T15:12:50Z", "ms": -761042830456.391 } }, "kaala": "nishita", "days": [ { "local_date": "1945-11-18", "window": { "start": { "local": "1945-11-19T00:10:54+08:00", "utc": "1945-11-18T16:10:54Z", "ms": -761125746075.9962 }, "end": { "local": "1945-11-19T00:58:54+08:00", "utc": "1945-11-18T16:58:54Z", "ms": -761122866075.9962 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-11-19", "window": { "start": { "local": "1945-11-20T00:11:07+08:00", "utc": "1945-11-19T16:11:07Z", "ms": -761039333262.9136 }, "end": { "local": "1945-11-20T00:59:07+08:00", "utc": "1945-11-19T16:59:07Z", "ms": -761036453262.9136 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:00 on Mon 19 Nov to 23:13 on Mon 19 Nov.", "fact": "1945-11-18T19:00:07Z → 1945-11-19T15:12:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 18th, 00:11–00:59 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 3497 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1945: Monday 19 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": "1945-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-19", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1945 falls on Monday 19 November. Pūrṇimā runs from 03:00 on Mon 19 Nov to 23:13 on Mon 19 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-11-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24639, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-11-22T13:24:49+08:00", "utc": "1945-11-22T05:24:49Z", "ms": -760818910625.0305 }, "end": { "local": "1945-11-23T11:11:47+08:00", "utc": "1945-11-23T03:11:47Z", "ms": -760740492774.9865 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-11-22T13:24:49+08:00", "utc": "1945-11-22T05:24:49Z", "ms": -760818910625.0305 }, "end": { "local": "1945-11-23T11:11:47+08:00", "utc": "1945-11-23T03:11:47Z", "ms": -760740492774.9865 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-11-22", "window": { "start": { "local": "1945-11-22T20:15:28+08:00", "utc": "1945-11-22T12:15:28Z", "ms": -760794272093.679 }, "end": { "local": "1945-11-22T20:15:28+08:00", "utc": "1945-11-22T12:15:28Z", "ms": -760794272093.679 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-11-23", "window": { "start": { "local": "1945-11-23T21:17:40+08:00", "utc": "1945-11-23T13:17:40Z", "ms": -760704140187.4612 }, "end": { "local": "1945-11-23T21:17:40+08:00", "utc": "1945-11-23T13:17:40Z", "ms": -760704140187.4612 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:25 on Thu 22 Nov to 11:12 on Fri 23 Nov.", "fact": "1945-11-22T05:24:49Z → 1945-11-23T03:11:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 22nd and 21:18 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 24639 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Thursday 22 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": "1945-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Thursday 22 November. Caturthī runs from 13:25 on Thu 22 Nov to 11:12 on Fri 23 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-11-30", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21353, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-11-29T13:34:32+08:00", "utc": "1945-11-29T05:34:32Z", "ms": -760213528061.6797 }, "end": { "local": "1945-11-30T15:58:46+08:00", "utc": "1945-11-30T07:58:46Z", "ms": -760118474222.0225 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-11-29T13:34:32+08:00", "utc": "1945-11-29T05:34:32Z", "ms": -760213528061.6797 }, "end": { "local": "1945-11-30T15:58:46+08:00", "utc": "1945-11-30T07:58:46Z", "ms": -760118474222.0225 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-11-29", "window": { "start": { "local": "1945-11-29T07:38:39+08:00", "utc": "1945-11-28T23:38:39Z", "ms": -760234881025.6816 }, "end": { "local": "1945-11-29T07:38:39+08:00", "utc": "1945-11-28T23:38:39Z", "ms": -760234881025.6816 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-11-30", "window": { "start": { "local": "1945-11-30T07:39:35+08:00", "utc": "1945-11-29T23:39:35Z", "ms": -760148425088.632 }, "end": { "local": "1945-11-30T07:39:35+08:00", "utc": "1945-11-29T23:39:35Z", "ms": -760148425088.632 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:35 on Thu 29 Nov to 15:59 on Fri 30 Nov.", "fact": "1945-11-29T05:34:32Z → 1945-11-30T07:58:46Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 29th and 07:40 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is 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 21353 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1945: Friday 30 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": "1945-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-11-30", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1945 falls on Friday 30 November. Ekādaśī runs from 13:35 on Thu 29 Nov to 15:59 on Fri 30 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-12-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-02", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3263, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-12-01T18:34:18+08:00", "utc": "1945-12-01T10:34:18Z", "ms": -760022741986.6619 }, "end": { "local": "1945-12-02T21:12:11+08:00", "utc": "1945-12-02T13:12:11Z", "ms": -759926869325.2498 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-01T18:34:18+08:00", "utc": "1945-12-01T10:34:18Z", "ms": -760022741986.6619 }, "end": { "local": "1945-12-02T21:12:11+08:00", "utc": "1945-12-02T13:12:11Z", "ms": -759926869325.2498 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-12-01", "window": { "start": { "local": "1945-12-01T17:35:58+08:00", "utc": "1945-12-01T09:35:58Z", "ms": -760026242200.0996 }, "end": { "local": "1945-12-01T19:28:41+08:00", "utc": "1945-12-01T11:28:41Z", "ms": -760019478585.581 } }, "covered_min": 54, "window_min": 113, "qualifies": true }, { "local_date": "1945-12-02", "window": { "start": { "local": "1945-12-02T17:35:49+08:00", "utc": "1945-12-02T09:35:49Z", "ms": -759939851098.1344 }, "end": { "local": "1945-12-02T19:28:41+08:00", "utc": "1945-12-02T11:28:41Z", "ms": -759933079102.791 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:34 on Sat 1 Dec to 21:12 on Sun 2 Dec.", "fact": "1945-12-01T10:34:18Z → 1945-12-02T13:12:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 1st, 17:36–19:29 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 54 of 113 minutes on the 1st and 113 of 113 on the 2nd.", "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 3263 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Sunday 2 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1945-12-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-02", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Sunday 2 December. Trayodaśī runs from 18:34 on Sat 1 Dec to 21:12 on Sun 2 Dec and covers all of pradoṣa that evening. It also reaches the previous evening for 54 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/qingyang/festivals/1945/pradosha-vrata?on=1945-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/shivaratri?on=1945-12-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1831, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1945-12-02T21:12:11+08:00", "utc": "1945-12-02T13:12:11Z", "ms": -759926869325.2498 }, "end": { "local": "1945-12-03T23:44:56+08:00", "utc": "1945-12-03T15:44:56Z", "ms": -759831304377.4923 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-02T21:12:11+08:00", "utc": "1945-12-02T13:12:11Z", "ms": -759926869325.2498 }, "end": { "local": "1945-12-03T23:44:56+08:00", "utc": "1945-12-03T15:44:56Z", "ms": -759831304377.4923 } }, "kaala": "nishita", "days": [ { "local_date": "1945-12-02", "window": { "start": { "local": "1945-12-03T00:15:04+08:00", "utc": "1945-12-02T16:15:04Z", "ms": -759915896115.5968 }, "end": { "local": "1945-12-03T01:03:04+08:00", "utc": "1945-12-02T17:03:04Z", "ms": -759913016115.5968 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-03", "window": { "start": { "local": "1945-12-04T00:15:27+08:00", "utc": "1945-12-03T16:15:27Z", "ms": -759829472966.6617 }, "end": { "local": "1945-12-04T01:03:27+08:00", "utc": "1945-12-03T17:03:27Z", "ms": -759826592966.6617 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:12 on Sun 2 Dec to 23:45 on Mon 3 Dec.", "fact": "1945-12-02T13:12:11Z → 1945-12-03T15:44:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 2nd, 00:15–01:03 on the 3rd.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1831 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1945: Sunday 2 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": "1945-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1945 falls on Sunday 2 December. Caturdaśī runs from 21:12 on Sun 2 Dec to 23:45 on Mon 3 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1945/shivaratri?on=1945-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-12-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14601, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-12-08T07:19:57+08:00", "utc": "1945-12-07T23:19:57Z", "ms": -759458403260.2035 }, "end": { "local": "1945-12-09T08:14:13+08:00", "utc": "1945-12-09T00:14:13Z", "ms": -759368746872.535 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-08T07:19:57+08:00", "utc": "1945-12-07T23:19:57Z", "ms": -759458403260.2035 }, "end": { "local": "1945-12-09T08:14:13+08:00", "utc": "1945-12-09T00:14:13Z", "ms": -759368746872.535 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-08", "window": { "start": { "local": "1945-12-08T12:17:07+08:00", "utc": "1945-12-08T04:17:07Z", "ms": -759440573184.3641 }, "end": { "local": "1945-12-08T13:05:07+08:00", "utc": "1945-12-08T05:05:07Z", "ms": -759437693184.3641 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-09", "window": { "start": { "local": "1945-12-09T12:17:34+08:00", "utc": "1945-12-09T04:17:34Z", "ms": -759354146368.8153 }, "end": { "local": "1945-12-09T13:05:34+08:00", "utc": "1945-12-09T05:05:34Z", "ms": -759351266368.8153 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:20 on Sat 8 Dec to 08:14 on Sun 9 Dec.", "fact": "1945-12-07T23:19:57Z → 1945-12-09T00:14:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 8th, 12:18–13:06 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14601 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1945: Saturday 8 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": "1945-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-08", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1945 falls on Saturday 8 December. Caturthī runs from 07:20 on Sat 8 Dec to 08:14 on Sun 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/vinayaka-chaturthi?on=1945-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13233, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1945-12-09T08:14:13+08:00", "utc": "1945-12-09T00:14:13Z", "ms": -759368746872.535 }, "end": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-09T08:14:13+08:00", "utc": "1945-12-09T00:14:13Z", "ms": -759368746872.535 }, "end": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-09", "window": { "start": { "local": "1945-12-09T12:17:34+08:00", "utc": "1945-12-09T04:17:34Z", "ms": -759354146368.8153 }, "end": { "local": "1945-12-09T13:05:34+08:00", "utc": "1945-12-09T05:05:34Z", "ms": -759351266368.8153 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-10", "window": { "start": { "local": "1945-12-10T12:18:01+08:00", "utc": "1945-12-10T04:18:01Z", "ms": -759267719112.699 }, "end": { "local": "1945-12-10T13:06:01+08:00", "utc": "1945-12-10T05:06:01Z", "ms": -759264839112.699 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:14 on Sun 9 Dec to 08:37 on Mon 10 Dec.", "fact": "1945-12-09T00:14:13Z → 1945-12-10T00:37:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 9th, 12:18–13:06 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 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 13233 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1945: Sunday 9 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": "1945-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-09", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1945 falls on Sunday 9 December. Pañcamī runs from 08:14 on Sun 9 Dec to 08:37 on Mon 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13233, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 }, "end": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 }, "end": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-10", "window": { "start": { "local": "1945-12-10T12:18:01+08:00", "utc": "1945-12-10T04:18:01Z", "ms": -759267719112.699 }, "end": { "local": "1945-12-10T13:06:01+08:00", "utc": "1945-12-10T05:06:01Z", "ms": -759264839112.699 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-11", "window": { "start": { "local": "1945-12-11T12:18:29+08:00", "utc": "1945-12-11T04:18:29Z", "ms": -759181291448.1091 }, "end": { "local": "1945-12-11T13:06:29+08:00", "utc": "1945-12-11T05:06:29Z", "ms": -759178411448.1091 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:37 on Mon 10 Dec to 08:27 on Tue 11 Dec.", "fact": "1945-12-10T00:37:28Z → 1945-12-11T00:26:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 10th, 12:18–13:06 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13233 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1945: Monday 10 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": "1945-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-10", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1945 falls on Monday 10 December. Ṣaṣṭhī runs from 08:37 on Mon 10 Dec to 08:27 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13233, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 }, "end": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-10T08:37:28+08:00", "utc": "1945-12-10T00:37:28Z", "ms": -759280951729.4421 }, "end": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-10", "window": { "start": { "local": "1945-12-10T12:18:01+08:00", "utc": "1945-12-10T04:18:01Z", "ms": -759267719112.699 }, "end": { "local": "1945-12-10T13:06:01+08:00", "utc": "1945-12-10T05:06:01Z", "ms": -759264839112.699 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-11", "window": { "start": { "local": "1945-12-11T12:18:29+08:00", "utc": "1945-12-11T04:18:29Z", "ms": -759181291448.1091 }, "end": { "local": "1945-12-11T13:06:29+08:00", "utc": "1945-12-11T05:06:29Z", "ms": -759178411448.1091 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:37 on Mon 10 Dec to 08:27 on Tue 11 Dec.", "fact": "1945-12-10T00:37:28Z → 1945-12-11T00:26:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 10th, 12:18–13:06 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13233 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1945: Monday 10 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": "1945-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-10", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1945 falls on Monday 10 December. Ṣaṣṭhī runs from 08:37 on Mon 10 Dec to 08:27 on Tue 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13893, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 }, "end": { "local": "1945-12-12T07:40:58+08:00", "utc": "1945-12-11T23:40:58Z", "ms": -759111542060.0348 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-11T08:26:56+08:00", "utc": "1945-12-11T00:26:56Z", "ms": -759195184276.6675 }, "end": { "local": "1945-12-12T07:40:58+08:00", "utc": "1945-12-11T23:40:58Z", "ms": -759111542060.0348 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-11", "window": { "start": { "local": "1945-12-11T12:18:29+08:00", "utc": "1945-12-11T04:18:29Z", "ms": -759181291448.1091 }, "end": { "local": "1945-12-11T13:06:29+08:00", "utc": "1945-12-11T05:06:29Z", "ms": -759178411448.1091 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1945-12-12", "window": { "start": { "local": "1945-12-12T12:18:57+08:00", "utc": "1945-12-12T04:18:57Z", "ms": -759094863407.3872 }, "end": { "local": "1945-12-12T13:06:57+08:00", "utc": "1945-12-12T05:06:57Z", "ms": -759091983407.3872 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:27 on Tue 11 Dec to 07:41 on Wed 12 Dec.", "fact": "1945-12-11T00:26:56Z → 1945-12-11T23:40:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 11th, 12:19–13:07 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13893 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1945: Tuesday 11 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": "1945-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-11", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1945 falls on Tuesday 11 December. Saptamī runs from 08:27 on Tue 11 Dec to 07:41 on Wed 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/ekadashi?on=1945-12-15", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21147, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-12-15T01:59:25+08:00", "utc": "1945-12-14T17:59:25Z", "ms": -758872835244.9644 }, "end": { "local": "1945-12-15T23:09:48+08:00", "utc": "1945-12-15T15:09:48Z", "ms": -758796611687.4958 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-15T01:59:25+08:00", "utc": "1945-12-14T17:59:25Z", "ms": -758872835244.9644 }, "end": { "local": "1945-12-15T23:09:48+08:00", "utc": "1945-12-15T15:09:48Z", "ms": -758796611687.4958 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-12-15", "window": { "start": { "local": "1945-12-15T07:51:52+08:00", "utc": "1945-12-14T23:51:52Z", "ms": -758851688349.7455 }, "end": { "local": "1945-12-15T07:51:52+08:00", "utc": "1945-12-14T23:51:52Z", "ms": -758851688349.7455 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1945-12-16", "window": { "start": { "local": "1945-12-16T07:52:32+08:00", "utc": "1945-12-15T23:52:32Z", "ms": -758765248399.1565 }, "end": { "local": "1945-12-16T07:52:32+08:00", "utc": "1945-12-15T23:52:32Z", "ms": -758765248399.1565 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:59 on Sat 15 Dec to 23:10 on Sat 15 Dec.", "fact": "1945-12-14T17:59:25Z → 1945-12-15T15:09:48Z" }, { "step": "kaala", "text": "Sunrise is at 07:52 on the 15th and 07:53 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 21147 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1945: Saturday 15 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": "1945-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-15", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1945 falls on Saturday 15 December. Ekādaśī runs from 01:59 on Sat 15 Dec to 23:10 on Sat 15 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24817, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1945-12-15T23:09:48+08:00", "utc": "1945-12-15T15:09:48Z", "ms": -758796611687.4958 }, "end": { "local": "1945-12-16T20:02:29+08:00", "utc": "1945-12-16T12:02:29Z", "ms": -758721450729.3402 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-15T23:09:48+08:00", "utc": "1945-12-15T15:09:48Z", "ms": -758796611687.4958 }, "end": { "local": "1945-12-16T20:02:29+08:00", "utc": "1945-12-16T12:02:29Z", "ms": -758721450729.3402 } }, "kaala": "madhyahna", "days": [ { "local_date": "1945-12-15", "window": { "start": { "local": "1945-12-15T12:20:23+08:00", "utc": "1945-12-15T04:20:23Z", "ms": -758835577346.6057 }, "end": { "local": "1945-12-15T13:08:23+08:00", "utc": "1945-12-15T05:08:23Z", "ms": -758832697346.6057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1945-12-16", "window": { "start": { "local": "1945-12-16T12:20:52+08:00", "utc": "1945-12-16T04:20:52Z", "ms": -758749148116.6843 }, "end": { "local": "1945-12-16T13:08:52+08:00", "utc": "1945-12-16T05:08:52Z", "ms": -758746268116.6843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:10 on Sat 15 Dec to 20:02 on Sun 16 Dec.", "fact": "1945-12-15T15:09:48Z → 1945-12-16T12:02:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 15th, 12:21–13:09 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24817 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1945: Sunday 16 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": "1945-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-16", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1945 falls on Sunday 16 December. Dvādaśī runs from 23:10 on Sat 15 Dec to 20:02 on Sun 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/pradosha-vrata?on=1945-12-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-16", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1869, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-12-16T20:02:29+08:00", "utc": "1945-12-16T12:02:29Z", "ms": -758721450729.3402 }, "end": { "local": "1945-12-17T16:45:25+08:00", "utc": "1945-12-17T08:45:25Z", "ms": -758646875093.315 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-16T20:02:29+08:00", "utc": "1945-12-16T12:02:29Z", "ms": -758721450729.3402 }, "end": { "local": "1945-12-17T16:45:25+08:00", "utc": "1945-12-17T08:45:25Z", "ms": -758646875093.315 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-12-16", "window": { "start": { "local": "1945-12-16T17:37:12+08:00", "utc": "1945-12-16T09:37:12Z", "ms": -758730167834.2122 }, "end": { "local": "1945-12-16T19:31:20+08:00", "utc": "1945-12-16T11:31:20Z", "ms": -758723320104.1307 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1945-12-17", "window": { "start": { "local": "1945-12-17T17:37:33+08:00", "utc": "1945-12-17T09:37:33Z", "ms": -758643747471.2258 }, "end": { "local": "1945-12-17T19:31:42+08:00", "utc": "1945-12-17T11:31:42Z", "ms": -758636897510.373 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:02 on Sun 16 Dec to 16:45 on Mon 17 Dec.", "fact": "1945-12-16T12:02:29Z → 1945-12-17T08:45:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:31 on the 16th, 17:38–19:32 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 114 minutes on the 16th and 0 of 114 on the 17th.", "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 1869 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1945: Sunday 16 December.", "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": "1945-12-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-16", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1945 falls on Sunday 16 December. Trayodaśī runs from 20:02 on Sun 16 Dec to 16:45 on Mon 17 Dec, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15036, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1945-12-18T13:27:19+08:00", "utc": "1945-12-18T05:27:19Z", "ms": -758572361145.9016 }, "end": { "local": "1945-12-19T10:17:22+08:00", "utc": "1945-12-19T02:17:22Z", "ms": -758497358166.882 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-18T13:27:19+08:00", "utc": "1945-12-18T05:27:19Z", "ms": -758572361145.9016 }, "end": { "local": "1945-12-19T10:17:22+08:00", "utc": "1945-12-19T02:17:22Z", "ms": -758497358166.882 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-12-18", "window": { "start": { "local": "1945-12-18T17:37:55+08:00", "utc": "1945-12-18T09:37:55Z", "ms": -758557325275.168 }, "end": { "local": "1945-12-18T19:32:06+08:00", "utc": "1945-12-18T11:32:06Z", "ms": -758550473525.509 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1945-12-19", "window": { "start": { "local": "1945-12-19T17:38:19+08:00", "utc": "1945-12-19T09:38:19Z", "ms": -758470901267.8547 }, "end": { "local": "1945-12-19T19:32:32+08:00", "utc": "1945-12-19T11:32:32Z", "ms": -758464048172.9441 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:27 on Tue 18 Dec to 10:17 on Wed 19 Dec.", "fact": "1945-12-18T05:27:19Z → 1945-12-19T02:17:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:32 on the 18th, 17:38–19:33 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 114 of 114 minutes on the 18th and 0 of 114 on the 19th.", "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 15036 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1945: Tuesday 18 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": "1945-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-18", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1945 falls on Tuesday 18 December. Pūrṇimā runs from 13:27 on Tue 18 Dec to 10:17 on Wed 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/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": "/qingyang/festivals/1945/sankashta-chaturthi?on=1945-12-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17452, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1945-12-22T03:07:37+08:00", "utc": "1945-12-21T19:07:37Z", "ms": -758263943406.0612 }, "end": { "local": "1945-12-23T01:58:01+08:00", "utc": "1945-12-22T17:58:01Z", "ms": -758181719144.9093 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-22T03:07:37+08:00", "utc": "1945-12-21T19:07:37Z", "ms": -758263943406.0612 }, "end": { "local": "1945-12-23T01:58:01+08:00", "utc": "1945-12-22T17:58:01Z", "ms": -758181719144.9093 } }, "kaala": "moonrise", "days": [ { "local_date": "1945-12-21", "window": { "start": { "local": "1945-12-21T20:01:16+08:00", "utc": "1945-12-21T12:01:16Z", "ms": -758289524486.5634 }, "end": { "local": "1945-12-21T20:01:16+08:00", "utc": "1945-12-21T12:01:16Z", "ms": -758289524486.5634 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-12-22", "window": { "start": { "local": "1945-12-22T21:07:09+08:00", "utc": "1945-12-22T13:07:09Z", "ms": -758199170895.3856 }, "end": { "local": "1945-12-22T21:07:09+08:00", "utc": "1945-12-22T13:07:09Z", "ms": -758199170895.3856 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:08 on Sat 22 Dec to 01:58 on Sun 23 Dec.", "fact": "1945-12-21T19:07:37Z → 1945-12-22T17:58:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:01 on the 21st and 21:07 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17452 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1945: Saturday 22 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": "1945-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-22", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1945 falls on Saturday 22 December. Caturthī runs from 03:08 on Sat 22 Dec to 01:58 on Sun 23 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/sankashta-chaturthi?on=1945-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/ekadashi?on=1945-12-30", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6948, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1945-12-29T09:54:38+08:00", "utc": "1945-12-29T01:54:38Z", "ms": -757634721664.4032 }, "end": { "local": "1945-12-30T12:34:27+08:00", "utc": "1945-12-30T04:34:27Z", "ms": -757538733300.0165 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-29T09:54:38+08:00", "utc": "1945-12-29T01:54:38Z", "ms": -757634721664.4032 }, "end": { "local": "1945-12-30T12:34:27+08:00", "utc": "1945-12-30T04:34:27Z", "ms": -757538733300.0165 } }, "kaala": "sunrise", "days": [ { "local_date": "1945-12-29", "window": { "start": { "local": "1945-12-29T07:58:50+08:00", "utc": "1945-12-28T23:58:50Z", "ms": -757641669698.5032 }, "end": { "local": "1945-12-29T07:58:50+08:00", "utc": "1945-12-28T23:58:50Z", "ms": -757641669698.5032 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1945-12-30", "window": { "start": { "local": "1945-12-30T07:59:08+08:00", "utc": "1945-12-29T23:59:08Z", "ms": -757555252488.1097 }, "end": { "local": "1945-12-30T07:59:08+08:00", "utc": "1945-12-29T23:59:08Z", "ms": -757555252488.1097 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:55 on Sat 29 Dec to 12:34 on Sun 30 Dec.", "fact": "1945-12-29T01:54:38Z → 1945-12-30T04:34:27Z" }, { "step": "kaala", "text": "Sunrise is at 07:59 on the 29th and 07:59 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is 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 6948 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1945: Sunday 30 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": "1945-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-30", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1945 falls on Sunday 30 December. Ekādaśī runs from 09:55 on Sat 29 Dec to 12:34 on Sun 30 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1945/ekadashi?on=1945-12-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1945/pradosha-vrata?on=1945-12-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1945, "local_date": "1945-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1589, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1945-12-31T15:05:57+08:00", "utc": "1945-12-31T07:05:57Z", "ms": -757443242702.8668 }, "end": { "local": "1946-01-01T17:19:33+08:00", "utc": "1946-01-01T09:19:33Z", "ms": -757348826814.6942 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1945-12-31T15:05:57+08:00", "utc": "1945-12-31T07:05:57Z", "ms": -757443242702.8668 }, "end": { "local": "1946-01-01T17:19:33+08:00", "utc": "1946-01-01T09:19:33Z", "ms": -757348826814.6942 } }, "kaala": "pradosha", "days": [ { "local_date": "1945-12-31", "window": { "start": { "local": "1945-12-31T17:45:18+08:00", "utc": "1945-12-31T09:45:18Z", "ms": -757433682426.7123 }, "end": { "local": "1945-12-31T19:39:12+08:00", "utc": "1945-12-31T11:39:12Z", "ms": -757426847918.099 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1946-01-01", "window": { "start": { "local": "1946-01-01T17:46:02+08:00", "utc": "1946-01-01T09:46:02Z", "ms": -757347237760.0248 }, "end": { "local": "1946-01-01T19:39:52+08:00", "utc": "1946-01-01T11:39:52Z", "ms": -757340407657.2704 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:06 on Mon 31 Dec to 17:20 on Tue 1 Jan.", "fact": "1945-12-31T07:05:57Z → 1946-01-01T09:19:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:39 on the 31st, 17:46–19:40 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 114 of 114 minutes on the 31st and 0 of 114 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 1589 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1945: Monday 31 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": "1945-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1945-12-31", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1945 falls on Monday 31 December. Trayodaśī runs from 15:06 on Mon 31 Dec to 17:20 on Tue 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1945/pradosha-vrata?on=1945-12-31", "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" } }