{ "id": "/qingyang/festivals/1903", "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": 1903, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-01-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 584, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-01-02T12:38:51+08:00", "utc": "1903-01-02T04:38:51Z", "ms": -2114277669179.7993 }, "end": { "local": "1903-01-03T14:39:22+08:00", "utc": "1903-01-03T06:39:22Z", "ms": -2114184037950.3535 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-01-02T12:38:51+08:00", "utc": "1903-01-02T04:38:51Z", "ms": -2114277669179.7993 }, "end": { "local": "1903-01-03T14:39:22+08:00", "utc": "1903-01-03T06:39:22Z", "ms": -2114184037950.3535 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-01-02", "window": { "start": { "local": "1903-01-02T12:29:07+08:00", "utc": "1903-01-02T04:29:07Z", "ms": -2114278253315.087 }, "end": { "local": "1903-01-02T13:17:07+08:00", "utc": "1903-01-02T05:17:07Z", "ms": -2114275373315.087 } }, "covered_min": 38, "window_min": 48, "qualifies": true }, { "local_date": "1903-01-03", "window": { "start": { "local": "1903-01-03T12:29:35+08:00", "utc": "1903-01-03T04:29:35Z", "ms": -2114191824659.1475 }, "end": { "local": "1903-01-03T13:17:35+08:00", "utc": "1903-01-03T05:17:35Z", "ms": -2114188944659.1475 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:39 on Fri 2 Jan to 14:39 on Sat 3 Jan.", "fact": "1903-01-02T04:38:51Z → 1903-01-03T06:39:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 2nd, 12:30–13:18 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 38 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": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 584 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Saturday 3 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-01-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-03", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Saturday 3 January. Caturthī runs from 12:39 on Fri 2 Jan to 14:39 on Sat 3 Jan and covers all of madhyāhna that midday. It also reaches the previous midday for 38 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/1903/vinayaka-chaturthi?on=1903-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/ekadashi?on=1903-01-10", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16487, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-01-09T15:02:21+08:00", "utc": "1903-01-09T07:02:21Z", "ms": -2113664259330.3208 }, "end": { "local": "1903-01-10T12:35:06+08:00", "utc": "1903-01-10T04:35:06Z", "ms": -2113586694209.2888 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-01-09T15:02:21+08:00", "utc": "1903-01-09T07:02:21Z", "ms": -2113664259330.3208 }, "end": { "local": "1903-01-10T12:35:06+08:00", "utc": "1903-01-10T04:35:06Z", "ms": -2113586694209.2888 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-01-09", "window": { "start": { "local": "1903-01-09T08:00:22+08:00", "utc": "1903-01-09T00:00:22Z", "ms": -2113689578356.6245 }, "end": { "local": "1903-01-09T08:00:22+08:00", "utc": "1903-01-09T00:00:22Z", "ms": -2113689578356.6245 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-01-10", "window": { "start": { "local": "1903-01-10T08:00:19+08:00", "utc": "1903-01-10T00:00:19Z", "ms": -2113603181300.0464 }, "end": { "local": "1903-01-10T08:00:19+08:00", "utc": "1903-01-10T00:00:19Z", "ms": -2113603181300.0464 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:02 on Fri 9 Jan to 12:35 on Sat 10 Jan.", "fact": "1903-01-09T07:02:21Z → 1903-01-10T04:35:06Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 9th and 08:00 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 16487 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1903: Saturday 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": "1903-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-10", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1903 falls on Saturday 10 January. Ekādaśī runs from 15:02 on Fri 9 Jan to 12:35 on Sat 10 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-01-10", "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/1903/pradosha-vrata?on=1903-01-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30155, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-01-11T09:31:29+08:00", "utc": "1903-01-11T01:31:29Z", "ms": -2113511311423.4385 }, "end": { "local": "1903-01-12T06:00:12+08:00", "utc": "1903-01-11T22:00:12Z", "ms": -2113437587677.7505 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-01-11T09:31:29+08:00", "utc": "1903-01-11T01:31:29Z", "ms": -2113511311423.4385 }, "end": { "local": "1903-01-12T06:00:12+08:00", "utc": "1903-01-11T22:00:12Z", "ms": -2113437587677.7505 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-01-11", "window": { "start": { "local": "1903-01-11T17:54:04+08:00", "utc": "1903-01-11T09:54:04Z", "ms": -2113481156113.3562 }, "end": { "local": "1903-01-11T19:46:52+08:00", "utc": "1903-01-11T11:46:52Z", "ms": -2113474387714.5837 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1903-01-12", "window": { "start": { "local": "1903-01-12T17:54:59+08:00", "utc": "1903-01-12T09:54:59Z", "ms": -2113394700605.313 }, "end": { "local": "1903-01-12T19:47:39+08:00", "utc": "1903-01-12T11:47:39Z", "ms": -2113387940789.9324 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:31 on Sun 11 Jan to 06:00 on Mon 12 Jan.", "fact": "1903-01-11T01:31:29Z → 1903-01-11T22:00:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:47 on the 11th, 17:55–19:48 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 30155 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Sunday 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": "1903-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Sunday 11 January. Trayodaśī runs from 09:31 on Sun 11 Jan to 06:00 on Mon 12 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-01-11", "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/1903/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38114, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-02-12T17:29:25+08:00", "utc": "1903-02-12T09:29:25Z", "ms": -2110717834948.6804 } }, "span": { "of": "transit", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 } }, "kaala": "sunset-day", "days": [ { "local_date": "1903-01-13", "window": { "start": { "local": "1903-01-12T17:54:59+08:00", "utc": "1903-01-12T09:54:59Z", "ms": -2113394700605.313 }, "end": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1903-01-14", "window": { "start": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 }, "end": { "local": "1903-01-14T17:56:53+08:00", "utc": "1903-01-14T09:56:53Z", "ms": -2113221787342.935 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1903-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:31 on Wed 14 Jan.", "fact": "1903-01-13T20:31:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:56, and the day of the 14th ends at 17:57.", "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 38114 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1903: Tuesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1903-01-13", "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": "1903-01-12", "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 1903 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 04:31 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38114, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-02-12T17:29:25+08:00", "utc": "1903-02-12T09:29:25Z", "ms": -2110717834948.6804 } }, "span": { "of": "transit", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 } }, "kaala": "sunset-day", "days": [ { "local_date": "1903-01-13", "window": { "start": { "local": "1903-01-12T17:54:59+08:00", "utc": "1903-01-12T09:54:59Z", "ms": -2113394700605.313 }, "end": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1903-01-14", "window": { "start": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 }, "end": { "local": "1903-01-14T17:56:53+08:00", "utc": "1903-01-14T09:56:53Z", "ms": -2113221787342.935 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:31 on Wed 14 Jan.", "fact": "1903-01-13T20:31:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:56, and the day of the 14th ends at 17:57.", "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 38114 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1903: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1903-01-14", "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": "1903-01-13", "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 1903 falls on Wednesday 14 January. The Sun enters Makara at 04:31 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16270, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-02-12T17:29:25+08:00", "utc": "1903-02-12T09:29:25Z", "ms": -2110717834948.6804 } }, "span": { "of": "transit", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 } }, "kaala": "civil-day", "days": [ { "local_date": "1903-01-13", "window": { "start": { "local": "1903-01-13T00:00:00+08:00", "utc": "1903-01-12T16:00:00Z", "ms": -2113372800000 }, "end": { "local": "1903-01-14T00:00:00+08:00", "utc": "1903-01-13T16:00:00Z", "ms": -2113286400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1903-01-14", "window": { "start": { "local": "1903-01-14T00:00:00+08:00", "utc": "1903-01-13T16:00:00Z", "ms": -2113286400000 }, "end": { "local": "1903-01-15T00:00:00+08:00", "utc": "1903-01-14T16:00:00Z", "ms": -2113200000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:31 on Wed 14 Jan.", "fact": "1903-01-13T20:31:10Z · 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 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 16270 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1903: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1903-01-13", "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": "1903-01-14", "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 1903 falls on Wednesday 14 January. The Sun enters Makara at 04:31 on Wed 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38114, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-02-12T17:29:25+08:00", "utc": "1903-02-12T09:29:25Z", "ms": -2110717834948.6804 } }, "span": { "of": "transit", "start": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 }, "end": { "local": "1903-01-14T04:31:10+08:00", "utc": "1903-01-13T20:31:10Z", "ms": -2113270130108.2563 } }, "kaala": "sunset-day", "days": [ { "local_date": "1903-01-13", "window": { "start": { "local": "1903-01-12T17:54:59+08:00", "utc": "1903-01-12T09:54:59Z", "ms": -2113394700605.313 }, "end": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1903-01-14", "window": { "start": { "local": "1903-01-13T17:55:56+08:00", "utc": "1903-01-13T09:55:56Z", "ms": -2113308244334.3809 }, "end": { "local": "1903-01-14T17:56:53+08:00", "utc": "1903-01-14T09:56:53Z", "ms": -2113221787342.935 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1903-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:31 on Wed 14 Jan.", "fact": "1903-01-13T20:31:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:56, and the day of the 14th ends at 17:57.", "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 38114 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1903: Thursday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1903-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1903-01-14", "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 1903 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 04:31 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-01-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34003, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-01-16T11:56:51+08:00", "utc": "1903-01-16T03:56:51Z", "ms": -2113070588883.086 }, "end": { "local": "1903-01-17T09:34:38+08:00", "utc": "1903-01-17T01:34:38Z", "ms": -2112992721542.934 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-01-16T11:56:51+08:00", "utc": "1903-01-16T03:56:51Z", "ms": -2113070588883.086 }, "end": { "local": "1903-01-17T09:34:38+08:00", "utc": "1903-01-17T01:34:38Z", "ms": -2112992721542.934 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-01-16", "window": { "start": { "local": "1903-01-16T21:23:34+08:00", "utc": "1903-01-16T13:23:34Z", "ms": -2113036585519.4973 }, "end": { "local": "1903-01-16T21:23:34+08:00", "utc": "1903-01-16T13:23:34Z", "ms": -2113036585519.4973 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-01-17", "window": { "start": { "local": "1903-01-17T22:28:57+08:00", "utc": "1903-01-17T14:28:57Z", "ms": -2112946262618.4497 }, "end": { "local": "1903-01-17T22:28:57+08:00", "utc": "1903-01-17T14:28:57Z", "ms": -2112946262618.4497 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:57 on Fri 16 Jan to 09:35 on Sat 17 Jan.", "fact": "1903-01-16T03:56:51Z → 1903-01-17T01:34:38Z" }, { "step": "kaala", "text": "Moonrise is at 21:24 on the 16th and 22:29 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34003 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Friday 16 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": "1903-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-16", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Friday 16 January. Caturthī runs from 11:57 on Fri 16 Jan to 09:35 on Sat 17 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-01-16", "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/1903/ekadashi?on=1903-01-24", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15486, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-01-23T12:14:50+08:00", "utc": "1903-01-23T04:14:50Z", "ms": -2112464709872.0347 }, "end": { "local": "1903-01-24T14:44:15+08:00", "utc": "1903-01-24T06:44:15Z", "ms": -2112369344964.6648 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-01-23T12:14:50+08:00", "utc": "1903-01-23T04:14:50Z", "ms": -2112464709872.0347 }, "end": { "local": "1903-01-24T14:44:15+08:00", "utc": "1903-01-24T06:44:15Z", "ms": -2112369344964.6648 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-01-23", "window": { "start": { "local": "1903-01-23T07:56:44+08:00", "utc": "1903-01-22T23:56:44Z", "ms": -2112480196296.2598 }, "end": { "local": "1903-01-23T07:56:44+08:00", "utc": "1903-01-22T23:56:44Z", "ms": -2112480196296.2598 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-01-24", "window": { "start": { "local": "1903-01-24T07:56:14+08:00", "utc": "1903-01-23T23:56:14Z", "ms": -2112393825965.3608 }, "end": { "local": "1903-01-24T07:56:14+08:00", "utc": "1903-01-23T23:56:14Z", "ms": -2112393825965.3608 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:15 on Fri 23 Jan to 14:44 on Sat 24 Jan.", "fact": "1903-01-23T04:14:50Z → 1903-01-24T06:44:15Z" }, { "step": "kaala", "text": "Sunrise is at 07:57 on the 23rd and 07:56 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 15486 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1903: Saturday 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": "1903-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-24", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1903 falls on Saturday 24 January. Ekādaśī runs from 12:15 on Fri 23 Jan to 14:44 on Sat 24 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-01-24", "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/1903/pradosha-vrata?on=1903-01-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-25", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 149, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-01-25T17:21:12+08:00", "utc": "1903-01-25T09:21:12Z", "ms": -2112273527529.4648 }, "end": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-01-25T17:21:12+08:00", "utc": "1903-01-25T09:21:12Z", "ms": -2112273527529.4648 }, "end": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-01-25", "window": { "start": { "local": "1903-01-25T18:07:55+08:00", "utc": "1903-01-25T10:07:55Z", "ms": -2112270725041.8188 }, "end": { "local": "1903-01-25T19:58:13+08:00", "utc": "1903-01-25T11:58:13Z", "ms": -2112264107124.8245 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1903-01-26", "window": { "start": { "local": "1903-01-26T18:08:57+08:00", "utc": "1903-01-26T10:08:57Z", "ms": -2112184262748.4956 }, "end": { "local": "1903-01-26T19:59:02+08:00", "utc": "1903-01-26T11:59:02Z", "ms": -2112177657802.682 } }, "covered_min": 108, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:21 on Sun 25 Jan to 19:57 on Mon 26 Jan.", "fact": "1903-01-25T09:21:12Z → 1903-01-26T11:56:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:58 on the 25th, 18:09–19:59 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 108 of 110 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 149 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Sunday 25 January.", "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": "1903-01-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-25", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Sunday 25 January. Trayodaśī runs from 17:21 on Sun 25 Jan to 19:57 on Mon 26 Jan and covers all of pradoṣa that evening. It also reaches the next evening for 108 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 29 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-01-25", "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/1903/shivaratri?on=1903-01-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8055, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 }, "end": { "local": "1903-01-27T22:23:43+08:00", "utc": "1903-01-27T14:23:43Z", "ms": -2112082576709.5947 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 }, "end": { "local": "1903-01-27T22:23:43+08:00", "utc": "1903-01-27T14:23:43Z", "ms": -2112082576709.5947 } }, "kaala": "nishita", "days": [ { "local_date": "1903-01-26", "window": { "start": { "local": "1903-01-27T00:37:46+08:00", "utc": "1903-01-26T16:37:46Z", "ms": -2112160934201.6943 }, "end": { "local": "1903-01-27T01:25:46+08:00", "utc": "1903-01-26T17:25:46Z", "ms": -2112158054201.6943 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-01-27", "window": { "start": { "local": "1903-01-28T00:37:59+08:00", "utc": "1903-01-27T16:37:59Z", "ms": -2112074521335.853 }, "end": { "local": "1903-01-28T01:25:59+08:00", "utc": "1903-01-27T17:25:59Z", "ms": -2112071641335.853 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:57 on Mon 26 Jan to 22:24 on Tue 27 Jan.", "fact": "1903-01-26T11:56:33Z → 1903-01-27T14:23:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 26th, 00:38–01:26 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8055 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Monday 26 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": "1903-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-26", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Monday 26 January. Caturdaśī runs from 19:57 on Mon 26 Jan to 22:24 on Tue 27 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-01-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27623, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 }, "end": { "local": "1903-01-27T22:23:43+08:00", "utc": "1903-01-27T14:23:43Z", "ms": -2112082576709.5947 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-01-26T19:56:33+08:00", "utc": "1903-01-26T11:56:33Z", "ms": -2112177806997.139 }, "end": { "local": "1903-01-27T22:23:43+08:00", "utc": "1903-01-27T14:23:43Z", "ms": -2112082576709.5947 } }, "kaala": "arunodaya", "days": [ { "local_date": "1903-01-27", "window": { "start": { "local": "1903-01-27T06:04:29+08:00", "utc": "1903-01-26T22:04:29Z", "ms": -2112141330600.707 }, "end": { "local": "1903-01-27T07:54:34+08:00", "utc": "1903-01-26T23:54:34Z", "ms": -2112134725654.8933 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1903-01-28", "window": { "start": { "local": "1903-01-28T06:04:06+08:00", "utc": "1903-01-27T22:04:06Z", "ms": -2112054954100.6514 }, "end": { "local": "1903-01-28T07:53:58+08:00", "utc": "1903-01-27T23:53:58Z", "ms": -2112048362378.7598 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:57 on Mon 26 Jan to 22:24 on Tue 27 Jan.", "fact": "1903-01-26T11:56:33Z → 1903-01-27T14:23:43Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:04–07:55 on the 27th, 06:04–07:54 on the 28th.", "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 110 of 110 minutes on the 27th and 0 of 110 on the 28th.", "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 27623 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1903: Tuesday 27 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": "1903-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-01-27", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1903 falls on Tuesday 27 January. Caturdaśī runs from 19:57 on Mon 26 Jan to 22:24 on Tue 27 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21391, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-02-01T05:43:12+08:00", "utc": "1903-01-31T21:43:12Z", "ms": -2111710607564.191 }, "end": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-01T05:43:12+08:00", "utc": "1903-01-31T21:43:12Z", "ms": -2111710607564.191 }, "end": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-02-01", "window": { "start": { "local": "1903-02-01T12:39:13+08:00", "utc": "1903-02-01T04:39:13Z", "ms": -2111685646551.7837 }, "end": { "local": "1903-02-01T13:27:13+08:00", "utc": "1903-02-01T05:27:13Z", "ms": -2111682766551.7837 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-02-02", "window": { "start": { "local": "1903-02-02T12:39:22+08:00", "utc": "1903-02-02T04:39:22Z", "ms": -2111599237761.208 }, "end": { "local": "1903-02-02T13:27:22+08:00", "utc": "1903-02-02T05:27:22Z", "ms": -2111596357761.208 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:43 on Sun 1 Feb to 06:43 on Mon 2 Feb.", "fact": "1903-01-31T21:43:12Z → 1903-02-01T22:42:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 1st, 12:39–13:27 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "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 21391 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1903: Sunday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-01", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1903 falls on Sunday 1 February. Caturthī runs from 05:43 on Sun 1 Feb to 06:43 on Mon 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34806, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-02-01T05:43:12+08:00", "utc": "1903-01-31T21:43:12Z", "ms": -2111710607564.191 }, "end": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-01T05:43:12+08:00", "utc": "1903-01-31T21:43:12Z", "ms": -2111710607564.191 }, "end": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-01-31", "window": { "start": { "local": "1903-01-31T18:14:10+08:00", "utc": "1903-01-31T10:14:10Z", "ms": -2111751949627.129 }, "end": { "local": "1903-01-31T20:03:07+08:00", "utc": "1903-01-31T12:03:07Z", "ms": -2111745413166.3125 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1903-02-01", "window": { "start": { "local": "1903-02-01T18:15:13+08:00", "utc": "1903-02-01T10:15:13Z", "ms": -2111665486932.5605 }, "end": { "local": "1903-02-01T20:03:55+08:00", "utc": "1903-02-01T12:03:55Z", "ms": -2111658964838.6218 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:43 on Sun 1 Feb to 06:43 on Mon 2 Feb.", "fact": "1903-01-31T21:43:12Z → 1903-02-01T22:42:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–20:03 on the 31st, 18:15–20:04 on the 1st.", "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 109 minutes on the 31st and 109 of 109 on the 1st.", "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 34806 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1903: Sunday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-01", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1903 falls on Sunday 1 February. Caturthī runs from 05:43 on Sun 1 Feb to 06:43 on Mon 2 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19441, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "end": { "local": "1903-02-03T07:15:29+08:00", "utc": "1903-02-02T23:15:29Z", "ms": -2111532271270.739 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "end": { "local": "1903-02-03T07:15:29+08:00", "utc": "1903-02-02T23:15:29Z", "ms": -2111532271270.739 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-02-02", "window": { "start": { "local": "1903-02-02T12:39:22+08:00", "utc": "1903-02-02T04:39:22Z", "ms": -2111599237761.208 }, "end": { "local": "1903-02-02T13:27:22+08:00", "utc": "1903-02-02T05:27:22Z", "ms": -2111596357761.208 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-02-03", "window": { "start": { "local": "1903-02-03T12:39:30+08:00", "utc": "1903-02-03T04:39:30Z", "ms": -2111512829811.5586 }, "end": { "local": "1903-02-03T13:27:30+08:00", "utc": "1903-02-03T05:27:30Z", "ms": -2111509949811.5586 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:43 on Mon 2 Feb to 07:15 on Tue 3 Feb.", "fact": "1903-02-01T22:42:51Z → 1903-02-02T23:15:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 2nd, 12:40–13:28 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19441 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1903: Monday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1903 falls on Monday 2 February. Pañcamī runs from 06:43 on Mon 2 Feb to 07:15 on Tue 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19441, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "end": { "local": "1903-02-03T07:15:29+08:00", "utc": "1903-02-02T23:15:29Z", "ms": -2111532271270.739 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-02T06:42:51+08:00", "utc": "1903-02-01T22:42:51Z", "ms": -2111620628670.21 }, "end": { "local": "1903-02-03T07:15:29+08:00", "utc": "1903-02-02T23:15:29Z", "ms": -2111532271270.739 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-02-02", "window": { "start": { "local": "1903-02-02T12:39:22+08:00", "utc": "1903-02-02T04:39:22Z", "ms": -2111599237761.208 }, "end": { "local": "1903-02-02T13:27:22+08:00", "utc": "1903-02-02T05:27:22Z", "ms": -2111596357761.208 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-02-03", "window": { "start": { "local": "1903-02-03T12:39:30+08:00", "utc": "1903-02-03T04:39:30Z", "ms": -2111512829811.5586 }, "end": { "local": "1903-02-03T13:27:30+08:00", "utc": "1903-02-03T05:27:30Z", "ms": -2111509949811.5586 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:43 on Mon 2 Feb to 07:15 on Tue 3 Feb.", "fact": "1903-02-01T22:42:51Z → 1903-02-02T23:15:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 2nd, 12:40–13:28 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19441 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1903: Monday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-02", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1903 falls on Monday 2 February. Pañcamī runs from 06:43 on Mon 2 Feb to 07:15 on Tue 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1926, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-02-04T07:16:48+08:00", "utc": "1903-02-03T23:16:48Z", "ms": -2111445791750.6797 }, "end": { "local": "1903-02-05T06:43:09+08:00", "utc": "1903-02-04T22:43:09Z", "ms": -2111361410565.5276 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-04T07:16:48+08:00", "utc": "1903-02-03T23:16:48Z", "ms": -2111445791750.6797 }, "end": { "local": "1903-02-05T06:43:09+08:00", "utc": "1903-02-04T22:43:09Z", "ms": -2111361410565.5276 } }, "kaala": "arunodaya", "days": [ { "local_date": "1903-02-04", "window": { "start": { "local": "1903-02-04T06:00:41+08:00", "utc": "1903-02-03T22:00:41Z", "ms": -2111450358852.467 }, "end": { "local": "1903-02-04T07:48:54+08:00", "utc": "1903-02-03T23:48:54Z", "ms": -2111443866100.0156 } }, "covered_min": 32, "window_min": 108, "qualifies": true }, { "local_date": "1903-02-05", "window": { "start": { "local": "1903-02-05T06:00:06+08:00", "utc": "1903-02-04T22:00:06Z", "ms": -2111363993654.644 }, "end": { "local": "1903-02-05T07:48:04+08:00", "utc": "1903-02-04T23:48:04Z", "ms": -2111357515861.7595 } }, "covered_min": 43, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:17 on Wed 4 Feb to 06:43 on Thu 5 Feb.", "fact": "1903-02-03T23:16:48Z → 1903-02-04T22:43:09Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:01–07:49 on the 4th, 06:00–07:48 on the 5th.", "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 32 of 108 minutes on the 4th and 43 of 108 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1926 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1903: Thursday 5 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1903-02-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-05", "confidence": "boundary" } ], "quote": "In Qingyang, Ratha Saptamī 1903 falls on Thursday 5 February. Saptamī runs from 07:17 on Wed 4 Feb to 06:43 on Thu 5 Feb and covers 43 of 108 minutes of aruṇodaya that dawn. It also reaches the previous dawn for 32 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-02-08", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22991, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-02-08T01:22:14+08:00", "utc": "1903-02-07T17:22:14Z", "ms": -2111121465538.5986 }, "end": { "local": "1903-02-08T22:30:37+08:00", "utc": "1903-02-08T14:30:37Z", "ms": -2111045363465.3125 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-08T01:22:14+08:00", "utc": "1903-02-07T17:22:14Z", "ms": -2111121465538.5986 }, "end": { "local": "1903-02-08T22:30:37+08:00", "utc": "1903-02-08T14:30:37Z", "ms": -2111045363465.3125 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-02-08", "window": { "start": { "local": "1903-02-08T07:45:26+08:00", "utc": "1903-02-07T23:45:26Z", "ms": -2111098474105.6904 }, "end": { "local": "1903-02-08T07:45:26+08:00", "utc": "1903-02-07T23:45:26Z", "ms": -2111098474105.6904 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-02-09", "window": { "start": { "local": "1903-02-09T07:44:30+08:00", "utc": "1903-02-08T23:44:30Z", "ms": -2111012129736.6147 }, "end": { "local": "1903-02-09T07:44:30+08:00", "utc": "1903-02-08T23:44:30Z", "ms": -2111012129736.6147 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:22 on Sun 8 Feb to 22:31 on Sun 8 Feb.", "fact": "1903-02-07T17:22:14Z → 1903-02-08T14:30:37Z" }, { "step": "kaala", "text": "Sunrise is at 07:45 on the 8th and 07:45 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 22991 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1903: Sunday 8 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": "1903-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-08", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1903 falls on Sunday 8 February. Ekādaśī runs from 01:22 on Sun 8 Feb to 22:31 on Sun 8 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20934, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-02-08T22:30:37+08:00", "utc": "1903-02-08T14:30:37Z", "ms": -2111045363465.3125 }, "end": { "local": "1903-02-09T19:16:54+08:00", "utc": "1903-02-09T11:16:54Z", "ms": -2110970586081.2275 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-08T22:30:37+08:00", "utc": "1903-02-08T14:30:37Z", "ms": -2111045363465.3125 }, "end": { "local": "1903-02-09T19:16:54+08:00", "utc": "1903-02-09T11:16:54Z", "ms": -2110970586081.2275 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-02-08", "window": { "start": { "local": "1903-02-08T12:39:57+08:00", "utc": "1903-02-08T04:39:57Z", "ms": -2111080802666.914 }, "end": { "local": "1903-02-08T13:27:57+08:00", "utc": "1903-02-08T05:27:57Z", "ms": -2111077922666.914 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-02-09", "window": { "start": { "local": "1903-02-09T12:40:00+08:00", "utc": "1903-02-09T04:40:00Z", "ms": -2110994399731.5063 }, "end": { "local": "1903-02-09T13:28:00+08:00", "utc": "1903-02-09T05:28:00Z", "ms": -2110991519731.5063 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:31 on Sun 8 Feb to 19:17 on Mon 9 Feb.", "fact": "1903-02-08T14:30:37Z → 1903-02-09T11:16:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 8th, 12:40–13:28 on the 9th.", "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 8th and 48 of 48 on the 9th.", "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 20934 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1903: Monday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-09", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1903 falls on Monday 9 February. Dvādaśī runs from 22:31 on Sun 8 Feb to 19:17 on Mon 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-02-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3197, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-02-09T19:16:54+08:00", "utc": "1903-02-09T11:16:54Z", "ms": -2110970586081.2275 }, "end": { "local": "1903-02-10T15:50:02+08:00", "utc": "1903-02-10T07:50:02Z", "ms": -2110896597991.719 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-09T19:16:54+08:00", "utc": "1903-02-09T11:16:54Z", "ms": -2110970586081.2275 }, "end": { "local": "1903-02-10T15:50:02+08:00", "utc": "1903-02-10T07:50:02Z", "ms": -2110896597991.719 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-02-09", "window": { "start": { "local": "1903-02-09T18:23:30+08:00", "utc": "1903-02-09T10:23:30Z", "ms": -2110973789726.398 }, "end": { "local": "1903-02-09T20:10:11+08:00", "utc": "1903-02-09T12:10:11Z", "ms": -2110967389330.1025 } }, "covered_min": 53, "window_min": 107, "qualifies": true }, { "local_date": "1903-02-10", "window": { "start": { "local": "1903-02-10T18:24:32+08:00", "utc": "1903-02-10T10:24:32Z", "ms": -2110887328463.7112 }, "end": { "local": "1903-02-10T20:10:56+08:00", "utc": "1903-02-10T12:10:56Z", "ms": -2110880944018.4119 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:17 on Mon 9 Feb to 15:50 on Tue 10 Feb.", "fact": "1903-02-09T11:16:54Z → 1903-02-10T07:50:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:10 on the 9th, 18:25–20:11 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 53 of 107 minutes on the 9th and 0 of 106 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 3197 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Monday 9 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": "1903-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Monday 9 February. Trayodaśī runs from 19:17 on Mon 9 Feb to 15:50 on Tue 10 Feb and covers 53 of 107 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-02-09", "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/1903/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1199, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-02-11T12:20:05+08:00", "utc": "1903-02-11T04:20:05Z", "ms": -2110822795270.4592 }, "end": { "local": "1903-02-12T08:57:44+08:00", "utc": "1903-02-12T00:57:44Z", "ms": -2110748536041.647 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1903-02-11T12:20:05+08:00", "utc": "1903-02-11T04:20:05Z", "ms": -2110822795270.4592 }, "end": { "local": "1903-02-12T08:57:44+08:00", "utc": "1903-02-12T00:57:44Z", "ms": -2110748536041.647 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-02-11", "window": { "start": { "local": "1903-02-11T12:40:04+08:00", "utc": "1903-02-11T04:40:04Z", "ms": -2110821596287.4717 }, "end": { "local": "1903-02-11T13:28:04+08:00", "utc": "1903-02-11T05:28:04Z", "ms": -2110818716287.4717 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-02-12", "window": { "start": { "local": "1903-02-12T12:40:04+08:00", "utc": "1903-02-12T04:40:04Z", "ms": -2110735195753.8245 }, "end": { "local": "1903-02-12T13:28:04+08:00", "utc": "1903-02-12T05:28:04Z", "ms": -2110732315753.8245 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:20 on Wed 11 Feb to 08:58 on Thu 12 Feb.", "fact": "1903-02-11T04:20:05Z → 1903-02-12T00:57:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 11th, 12:40–13:28 on the 12th.", "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 11th and 0 of 48 on the 12th.", "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 1199 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1903: Wednesday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-11", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1903 falls on Wednesday 11 February. Pūrṇimā runs from 12:20 on Wed 11 Feb to 08:58 on Thu 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-02-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6838, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-02-15T01:21:37+08:00", "utc": "1903-02-14T17:21:37Z", "ms": -2110516703020.6921 }, "end": { "local": "1903-02-16T00:09:52+08:00", "utc": "1903-02-15T16:09:52Z", "ms": -2110434608262.294 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-02-15T01:21:37+08:00", "utc": "1903-02-14T17:21:37Z", "ms": -2110516703020.6921 }, "end": { "local": "1903-02-16T00:09:52+08:00", "utc": "1903-02-15T16:09:52Z", "ms": -2110434608262.294 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-02-14", "window": { "start": { "local": "1903-02-14T21:12:27+08:00", "utc": "1903-02-14T13:12:27Z", "ms": -2110531653336.0222 }, "end": { "local": "1903-02-14T21:12:27+08:00", "utc": "1903-02-14T13:12:27Z", "ms": -2110531653336.0222 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-02-15", "window": { "start": { "local": "1903-02-15T22:15:53+08:00", "utc": "1903-02-15T14:15:53Z", "ms": -2110441446526.0571 }, "end": { "local": "1903-02-15T22:15:53+08:00", "utc": "1903-02-15T14:15:53Z", "ms": -2110441446526.0571 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:22 on Sun 15 Feb to 00:10 on Mon 16 Feb.", "fact": "1903-02-14T17:21:37Z → 1903-02-15T16:09:52Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 14th and 22:16 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "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 6838 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Sunday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-15", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Sunday 15 February. Caturthī runs from 01:22 on Sun 15 Feb to 00:10 on Mon 16 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-02-15", "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/1903/ekadashi?on=1903-02-23", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2655, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-02-22T08:14:48+08:00", "utc": "1903-02-22T00:14:48Z", "ms": -2109887111960.1829 }, "end": { "local": "1903-02-23T10:48:02+08:00", "utc": "1903-02-23T02:48:02Z", "ms": -2109791518369.5068 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-02-22T08:14:48+08:00", "utc": "1903-02-22T00:14:48Z", "ms": -2109887111960.1829 }, "end": { "local": "1903-02-23T10:48:02+08:00", "utc": "1903-02-23T02:48:02Z", "ms": -2109791518369.5068 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-02-22", "window": { "start": { "local": "1903-02-22T07:30:34+08:00", "utc": "1903-02-21T23:30:34Z", "ms": -2109889766475.276 }, "end": { "local": "1903-02-22T07:30:34+08:00", "utc": "1903-02-21T23:30:34Z", "ms": -2109889766475.276 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-02-23", "window": { "start": { "local": "1903-02-23T07:29:22+08:00", "utc": "1903-02-22T23:29:22Z", "ms": -2109803438386.7295 }, "end": { "local": "1903-02-23T07:29:22+08:00", "utc": "1903-02-22T23:29:22Z", "ms": -2109803438386.7295 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:15 on Sun 22 Feb to 10:48 on Mon 23 Feb.", "fact": "1903-02-22T00:14:48Z → 1903-02-23T02:48:02Z" }, { "step": "kaala", "text": "Sunrise is at 07:31 on the 22nd and 07:29 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 2655 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1903: Monday 23 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": "1903-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-23", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1903 falls on Monday 23 February. Ekādaśī runs from 08:15 on Sun 22 Feb to 10:48 on Mon 23 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-02-23", "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/1903/pradosha-vrata?on=1903-02-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12143, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-02-24T13:11:16+08:00", "utc": "1903-02-24T05:11:16Z", "ms": -2109696523902.8591 }, "end": { "local": "1903-02-25T15:16:54+08:00", "utc": "1903-02-25T07:16:54Z", "ms": -2109602586339.5923 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-02-24T13:11:16+08:00", "utc": "1903-02-24T05:11:16Z", "ms": -2109696523902.8591 }, "end": { "local": "1903-02-25T15:16:54+08:00", "utc": "1903-02-25T07:16:54Z", "ms": -2109602586339.5923 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-02-24", "window": { "start": { "local": "1903-02-24T18:38:20+08:00", "utc": "1903-02-24T10:38:20Z", "ms": -2109676900042.992 }, "end": { "local": "1903-02-24T20:20:49+08:00", "utc": "1903-02-24T12:20:49Z", "ms": -2109670751361.4094 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1903-02-25", "window": { "start": { "local": "1903-02-25T18:39:17+08:00", "utc": "1903-02-25T10:39:17Z", "ms": -2109590443189.63 }, "end": { "local": "1903-02-25T20:21:28+08:00", "utc": "1903-02-25T12:21:28Z", "ms": -2109584312031.5093 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:11 on Tue 24 Feb to 15:17 on Wed 25 Feb.", "fact": "1903-02-24T05:11:16Z → 1903-02-25T07:16:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:21 on the 24th, 18:39–20:21 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 102 of 102 minutes on the 24th and 0 of 102 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 12143 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Tuesday 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": "1903-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-24", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Tuesday 24 February. Trayodaśī runs from 13:11 on Tue 24 Feb to 15:17 on Wed 25 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-02-24", "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/1903/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27480, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-02-25T15:16:54+08:00", "utc": "1903-02-25T07:16:54Z", "ms": -2109602586339.5923 }, "end": { "local": "1903-02-26T17:00:20+08:00", "utc": "1903-02-26T09:00:20Z", "ms": -2109509980356.0327 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-02-25T15:16:54+08:00", "utc": "1903-02-25T07:16:54Z", "ms": -2109602586339.5923 }, "end": { "local": "1903-02-26T17:00:20+08:00", "utc": "1903-02-26T09:00:20Z", "ms": -2109509980356.0327 } }, "kaala": "nishita", "days": [ { "local_date": "1903-02-25", "window": { "start": { "local": "1903-02-26T00:38:29+08:00", "utc": "1903-02-25T16:38:29Z", "ms": -2109568891346.6777 }, "end": { "local": "1903-02-26T01:26:29+08:00", "utc": "1903-02-25T17:26:29Z", "ms": -2109566011346.6777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-02-26", "window": { "start": { "local": "1903-02-27T00:38:19+08:00", "utc": "1903-02-26T16:38:19Z", "ms": -2109482500786.3242 }, "end": { "local": "1903-02-27T01:26:19+08:00", "utc": "1903-02-26T17:26:19Z", "ms": -2109479620786.3242 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:17 on Wed 25 Feb to 17:00 on Thu 26 Feb.", "fact": "1903-02-25T07:16:54Z → 1903-02-26T09:00:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 25th, 00:38–01:26 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 27480 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1903: Wednesday 25 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": "1903-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-02-25", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1903 falls on Wednesday 25 February. Caturdaśī runs from 15:17 on Wed 25 Feb to 17:00 on Thu 26 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-03-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21862, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-03-02T19:49:03+08:00", "utc": "1903-03-02T11:49:03Z", "ms": -2109154256797.0989 }, "end": { "local": "1903-03-03T19:30:25+08:00", "utc": "1903-03-03T11:30:25Z", "ms": -2109068974764.793 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-03-02T19:49:03+08:00", "utc": "1903-03-02T11:49:03Z", "ms": -2109154256797.0989 }, "end": { "local": "1903-03-03T19:30:25+08:00", "utc": "1903-03-03T11:30:25Z", "ms": -2109068974764.793 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-03-02", "window": { "start": { "local": "1903-03-02T12:38:15+08:00", "utc": "1903-03-02T04:38:15Z", "ms": -2109180104863.9385 }, "end": { "local": "1903-03-02T13:26:15+08:00", "utc": "1903-03-02T05:26:15Z", "ms": -2109177224863.9385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-03-03", "window": { "start": { "local": "1903-03-03T12:38:03+08:00", "utc": "1903-03-03T04:38:03Z", "ms": -2109093716656.65 }, "end": { "local": "1903-03-03T13:26:03+08:00", "utc": "1903-03-03T05:26:03Z", "ms": -2109090836656.65 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:49 on Mon 2 Mar to 19:30 on Tue 3 Mar.", "fact": "1903-03-02T11:49:03Z → 1903-03-03T11:30:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 2nd, 12:38–13:26 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21862 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Tuesday 3 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": "1903-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-03", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Tuesday 3 March. Caturthī runs from 19:49 on Mon 2 Mar to 19:30 on Tue 3 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/ekadashi?on=1903-03-09", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1661, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-03-09T09:26:03+08:00", "utc": "1903-03-09T01:26:03Z", "ms": -2108586837429.7856 }, "end": { "local": "1903-03-10T06:42:08+08:00", "utc": "1903-03-09T22:42:08Z", "ms": -2108510271735.1868 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-03-09T09:26:03+08:00", "utc": "1903-03-09T01:26:03Z", "ms": -2108586837429.7856 }, "end": { "local": "1903-03-10T06:42:08+08:00", "utc": "1903-03-09T22:42:08Z", "ms": -2108510271735.1868 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-03-09", "window": { "start": { "local": "1903-03-09T07:11:12+08:00", "utc": "1903-03-08T23:11:12Z", "ms": -2108594928065.3965 }, "end": { "local": "1903-03-09T07:11:12+08:00", "utc": "1903-03-08T23:11:12Z", "ms": -2108594928065.3965 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-03-10", "window": { "start": { "local": "1903-03-10T07:09:49+08:00", "utc": "1903-03-09T23:09:49Z", "ms": -2108508610648.3135 }, "end": { "local": "1903-03-10T07:09:49+08:00", "utc": "1903-03-09T23:09:49Z", "ms": -2108508610648.3135 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:26 on Mon 9 Mar to 06:42 on Tue 10 Mar.", "fact": "1903-03-09T01:26:03Z → 1903-03-09T22:42:08Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 9th and 07:10 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 not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1661 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1903: Monday 9 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": "1903-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-09", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1903 falls on Monday 9 March. Ekādaśī runs from 09:26 on Mon 9 Mar to 06:42 on Tue 10 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/pradosha-vrata?on=1903-03-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16584, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-03-11T03:53:05+08:00", "utc": "1903-03-10T19:53:05Z", "ms": -2108434014989.2095 }, "end": { "local": "1903-03-12T01:06:22+08:00", "utc": "1903-03-11T17:06:22Z", "ms": -2108357617835.1592 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-03-11T03:53:05+08:00", "utc": "1903-03-10T19:53:05Z", "ms": -2108434014989.2095 }, "end": { "local": "1903-03-12T01:06:22+08:00", "utc": "1903-03-11T17:06:22Z", "ms": -2108357617835.1592 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-03-10", "window": { "start": { "local": "1903-03-10T18:51:06+08:00", "utc": "1903-03-10T10:51:06Z", "ms": -2108466534408.4456 }, "end": { "local": "1903-03-10T20:29:24+08:00", "utc": "1903-03-10T12:29:24Z", "ms": -2108460635647.3147 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1903-03-11", "window": { "start": { "local": "1903-03-11T18:51:58+08:00", "utc": "1903-03-11T10:51:58Z", "ms": -2108380082098.0703 }, "end": { "local": "1903-03-11T20:29:59+08:00", "utc": "1903-03-11T12:29:59Z", "ms": -2108374201443.2056 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:53 on Wed 11 Mar to 01:06 on Thu 12 Mar.", "fact": "1903-03-10T19:53:05Z → 1903-03-11T17:06:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:29 on the 10th, 18:52–20:30 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 10th and 98 of 98 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 16584 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Wednesday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Wednesday 11 March. Trayodaśī runs from 03:53 on Wed 11 Mar to 01:06 on Thu 12 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-03-11", "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/1903/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4744, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-03-12T22:30:08+08:00", "utc": "1903-03-12T14:30:08Z", "ms": -2108280591811.6606 }, "end": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-03-12T22:30:08+08:00", "utc": "1903-03-12T14:30:08Z", "ms": -2108280591811.6606 }, "end": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 } }, "kaala": "sayahna", "days": [ { "local_date": "1903-03-12", "window": { "start": { "local": "1903-03-12T16:31:41+08:00", "utc": "1903-03-12T08:31:41Z", "ms": -2108302099483.2698 }, "end": { "local": "1903-03-12T18:52:50+08:00", "utc": "1903-03-12T10:52:50Z", "ms": -2108293630057.4412 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "1903-03-13", "window": { "start": { "local": "1903-03-13T16:32:05+08:00", "utc": "1903-03-13T08:32:05Z", "ms": -2108215674830.992 }, "end": { "local": "1903-03-13T18:53:42+08:00", "utc": "1903-03-13T10:53:42Z", "ms": -2108207178269.8271 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:30 on Thu 12 Mar to 20:13 on Fri 13 Mar.", "fact": "1903-03-12T14:30:08Z → 1903-03-13T12:12:46Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:32–18:53 on the 12th, 16:32–18:54 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 12th and 142 of 142 on the 13th.", "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 4744 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1903: Friday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-13", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1903 falls on Friday 13 March. Pūrṇimā runs from 22:30 on Thu 12 Mar to 20:13 on Fri 13 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4744, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-03-12T22:30:08+08:00", "utc": "1903-03-12T14:30:08Z", "ms": -2108280591811.6606 }, "end": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1903-03-12T22:30:08+08:00", "utc": "1903-03-12T14:30:08Z", "ms": -2108280591811.6606 }, "end": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 } }, "kaala": "sayahna", "days": [ { "local_date": "1903-03-12", "window": { "start": { "local": "1903-03-12T16:31:41+08:00", "utc": "1903-03-12T08:31:41Z", "ms": -2108302099483.2698 }, "end": { "local": "1903-03-12T18:52:50+08:00", "utc": "1903-03-12T10:52:50Z", "ms": -2108293630057.4412 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "1903-03-13", "window": { "start": { "local": "1903-03-13T16:32:05+08:00", "utc": "1903-03-13T08:32:05Z", "ms": -2108215674830.992 }, "end": { "local": "1903-03-13T18:53:42+08:00", "utc": "1903-03-13T10:53:42Z", "ms": -2108207178269.8271 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1903-03-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:30 on Thu 12 Mar to 20:13 on Fri 13 Mar.", "fact": "1903-03-12T14:30:08Z → 1903-03-13T12:12:46Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:32–18:53 on the 12th, 16:32–18:54 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 12th and 142 of 142 on the 13th.", "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 4744 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 13 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1903: Saturday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-14", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1903 falls on Saturday 14 March. It is kept the day after Holikā Dahana, which falls on Friday 13 March. Pūrṇimā runs from 22:30 on Thu 12 Mar to 20:13 on Fri 13 Mar and covers all of sāyāhna on the 13th.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39089, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 }, "end": { "local": "1903-03-14T18:22:24+08:00", "utc": "1903-03-14T10:22:24Z", "ms": -2108122655914.159 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-13T20:12:46+08:00", "utc": "1903-03-13T12:12:46Z", "ms": -2108202433896.8887 }, "end": { "local": "1903-03-14T18:22:24+08:00", "utc": "1903-03-14T10:22:24Z", "ms": -2108122655914.159 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-03-14", "window": { "start": { "local": "1903-03-14T07:04:15+08:00", "utc": "1903-03-13T23:04:15Z", "ms": -2108163345333.0752 }, "end": { "local": "1903-03-14T07:04:15+08:00", "utc": "1903-03-13T23:04:15Z", "ms": -2108163345333.0752 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-03-15", "window": { "start": { "local": "1903-03-15T07:02:50+08:00", "utc": "1903-03-14T23:02:50Z", "ms": -2108077029925.4011 }, "end": { "local": "1903-03-15T07:02:50+08:00", "utc": "1903-03-14T23:02:50Z", "ms": -2108077029925.4011 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:13 on Fri 13 Mar to 18:22 on Sat 14 Mar.", "fact": "1903-03-13T12:12:46Z → 1903-03-14T10:22:24Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 14th and 07:03 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39089 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1903: Saturday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1903 falls on Saturday 14 March. Pratipadā runs from 20:13 on Fri 13 Mar to 18:22 on Sat 14 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-03-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19788, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-03-16T16:30:14+08:00", "utc": "1903-03-16T08:30:14Z", "ms": -2107956585694.838 }, "end": { "local": "1903-03-17T16:37:25+08:00", "utc": "1903-03-17T08:37:25Z", "ms": -2107869754623.2722 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-16T16:30:14+08:00", "utc": "1903-03-16T08:30:14Z", "ms": -2107956585694.838 }, "end": { "local": "1903-03-17T16:37:25+08:00", "utc": "1903-03-17T08:37:25Z", "ms": -2107869754623.2722 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-03-16", "window": { "start": { "local": "1903-03-16T22:00:03+08:00", "utc": "1903-03-16T14:00:03Z", "ms": -2107936797446.6062 }, "end": { "local": "1903-03-16T22:00:03+08:00", "utc": "1903-03-16T14:00:03Z", "ms": -2107936797446.6062 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-03-17", "window": { "start": { "local": "1903-03-17T22:58:55+08:00", "utc": "1903-03-17T14:58:55Z", "ms": -2107846865113.752 }, "end": { "local": "1903-03-17T22:58:55+08:00", "utc": "1903-03-17T14:58:55Z", "ms": -2107846865113.752 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:30 on Mon 16 Mar to 16:37 on Tue 17 Mar.", "fact": "1903-03-16T08:30:14Z → 1903-03-17T08:37:25Z" }, { "step": "kaala", "text": "Moonrise is at 22:00 on the 16th and 22:59 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19788 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Monday 16 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": "1903-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-16", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Monday 16 March. Caturthī runs from 16:30 on Mon 16 Mar to 16:37 on Tue 17 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-03-16", "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/1903/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27431, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-03-20T20:58:51+08:00", "utc": "1903-03-20T12:58:51Z", "ms": -2107594868505.8906 }, "end": { "local": "1903-03-21T23:20:05+08:00", "utc": "1903-03-21T15:20:05Z", "ms": -2107499994580.0645 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-20T20:58:51+08:00", "utc": "1903-03-20T12:58:51Z", "ms": -2107594868505.8906 }, "end": { "local": "1903-03-21T23:20:05+08:00", "utc": "1903-03-21T15:20:05Z", "ms": -2107499994580.0645 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-03-20", "window": { "start": { "local": "1903-03-20T12:33:41+08:00", "utc": "1903-03-20T04:33:41Z", "ms": -2107625179155.9653 }, "end": { "local": "1903-03-20T13:21:41+08:00", "utc": "1903-03-20T05:21:41Z", "ms": -2107622299155.9653 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-03-21", "window": { "start": { "local": "1903-03-21T12:33:23+08:00", "utc": "1903-03-21T04:33:23Z", "ms": -2107538796967.6992 }, "end": { "local": "1903-03-21T13:21:23+08:00", "utc": "1903-03-21T05:21:23Z", "ms": -2107535916967.6992 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:59 on Fri 20 Mar to 23:20 on Sat 21 Mar.", "fact": "1903-03-20T12:58:51Z → 1903-03-21T15:20:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 20th, 12:33–13:21 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27431 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1903: Saturday 21 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": "1903-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1903 falls on Saturday 21 March. Aṣṭamī runs from 20:59 on Fri 20 Mar to 23:20 on Sat 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-03-24", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2146, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-03-24T04:09:28+08:00", "utc": "1903-03-23T20:09:28Z", "ms": -2107309831538.205 }, "end": { "local": "1903-03-25T06:12:46+08:00", "utc": "1903-03-24T22:12:46Z", "ms": -2107216033545.6047 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-24T04:09:28+08:00", "utc": "1903-03-23T20:09:28Z", "ms": -2107309831538.205 }, "end": { "local": "1903-03-25T06:12:46+08:00", "utc": "1903-03-24T22:12:46Z", "ms": -2107216033545.6047 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-03-24", "window": { "start": { "local": "1903-03-24T06:49:59+08:00", "utc": "1903-03-23T22:49:59Z", "ms": -2107300201023.2427 }, "end": { "local": "1903-03-24T06:49:59+08:00", "utc": "1903-03-23T22:49:59Z", "ms": -2107300201023.2427 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-03-25", "window": { "start": { "local": "1903-03-25T06:48:33+08:00", "utc": "1903-03-24T22:48:33Z", "ms": -2107213887225.41 }, "end": { "local": "1903-03-25T06:48:33+08:00", "utc": "1903-03-24T22:48:33Z", "ms": -2107213887225.41 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:09 on Tue 24 Mar to 06:13 on Wed 25 Mar.", "fact": "1903-03-23T20:09:28Z → 1903-03-24T22:12:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 24th and 06:49 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2146 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1903: Tuesday 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": "1903-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-24", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1903 falls on Tuesday 24 March. Ekādaśī runs from 04:09 on Tue 24 Mar to 06:13 on Wed 25 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-03-24", "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/1903/pradosha-vrata?on=1903-03-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36647, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-03-26T07:49:30+08:00", "utc": "1903-03-25T23:49:30Z", "ms": -2107123829957.2615 }, "end": { "local": "1903-03-27T08:54:41+08:00", "utc": "1903-03-27T00:54:41Z", "ms": -2107033519231.394 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-26T07:49:30+08:00", "utc": "1903-03-25T23:49:30Z", "ms": -2107123829957.2615 }, "end": { "local": "1903-03-27T08:54:41+08:00", "utc": "1903-03-27T00:54:41Z", "ms": -2107033519231.394 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-03-26", "window": { "start": { "local": "1903-03-26T19:04:39+08:00", "utc": "1903-03-26T11:04:39Z", "ms": -2107083321493.1343 }, "end": { "local": "1903-03-26T20:38:07+08:00", "utc": "1903-03-26T12:38:07Z", "ms": -2107077713240.2966 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1903-03-27", "window": { "start": { "local": "1903-03-27T19:05:28+08:00", "utc": "1903-03-27T11:05:28Z", "ms": -2106996871827.361 }, "end": { "local": "1903-03-27T20:38:38+08:00", "utc": "1903-03-27T12:38:38Z", "ms": -2106991281678.574 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:50 on Thu 26 Mar to 08:55 on Fri 27 Mar.", "fact": "1903-03-25T23:49:30Z → 1903-03-27T00:54:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:38 on the 26th, 19:05–20:39 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 26th and 0 of 93 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36647 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Thursday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-26", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Thursday 26 March. Trayodaśī runs from 07:50 on Thu 26 Mar to 08:55 on Fri 27 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-03-26", "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/1903/shivaratri?on=1903-03-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27331, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-03-27T08:54:41+08:00", "utc": "1903-03-27T00:54:41Z", "ms": -2107033519231.394 }, "end": { "local": "1903-03-28T09:26:34+08:00", "utc": "1903-03-28T01:26:34Z", "ms": -2106945205539.9827 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-27T08:54:41+08:00", "utc": "1903-03-27T00:54:41Z", "ms": -2107033519231.394 }, "end": { "local": "1903-03-28T09:26:34+08:00", "utc": "1903-03-28T01:26:34Z", "ms": -2106945205539.9827 } }, "kaala": "nishita", "days": [ { "local_date": "1903-03-26", "window": { "start": { "local": "1903-03-27T00:31:09+08:00", "utc": "1903-03-26T16:31:09Z", "ms": -2107063730544.9932 }, "end": { "local": "1903-03-27T01:19:09+08:00", "utc": "1903-03-26T17:19:09Z", "ms": -2107060850544.9932 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-03-27", "window": { "start": { "local": "1903-03-28T00:30:51+08:00", "utc": "1903-03-27T16:30:51Z", "ms": -2106977348769.4094 }, "end": { "local": "1903-03-28T01:18:51+08:00", "utc": "1903-03-27T17:18:51Z", "ms": -2106974468769.4094 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:55 on Fri 27 Mar to 09:27 on Sat 28 Mar.", "fact": "1903-03-27T00:54:41Z → 1903-03-28T01:26:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 26th, 00:31–01:19 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27331 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Friday 27 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": "1903-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-27", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Friday 27 March. Caturdaśī runs from 08:55 on Fri 27 Mar to 09:27 on Sat 28 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11097, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-03-29T09:26:01+08:00", "utc": "1903-03-29T01:26:01Z", "ms": -2106858839412.8196 }, "end": { "local": "1903-03-30T08:55:34+08:00", "utc": "1903-03-30T00:55:34Z", "ms": -2106774266318.1626 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-29T09:26:01+08:00", "utc": "1903-03-29T01:26:01Z", "ms": -2106858839412.8196 }, "end": { "local": "1903-03-30T08:55:34+08:00", "utc": "1903-03-30T00:55:34Z", "ms": -2106774266318.1626 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-03-29", "window": { "start": { "local": "1903-03-29T12:30:58+08:00", "utc": "1903-03-29T04:30:58Z", "ms": -2106847742230.7422 }, "end": { "local": "1903-03-29T13:18:58+08:00", "utc": "1903-03-29T05:18:58Z", "ms": -2106844862230.7422 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-03-30", "window": { "start": { "local": "1903-03-30T12:30:40+08:00", "utc": "1903-03-30T04:30:40Z", "ms": -2106761360464.1746 }, "end": { "local": "1903-03-30T13:18:40+08:00", "utc": "1903-03-30T05:18:40Z", "ms": -2106758480464.1746 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:26 on Sun 29 Mar to 08:56 on Mon 30 Mar.", "fact": "1903-03-29T01:26:01Z → 1903-03-30T00:55:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 29th, 12:31–13:19 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11097 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1903: Sunday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1903 falls on Sunday 29 March. Pratipadā runs from 09:26 on Sun 29 Mar to 08:56 on Mon 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16293, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-03-31T07:58:49+08:00", "utc": "1903-03-30T23:58:49Z", "ms": -2106691271338.0566 }, "end": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-31T07:58:49+08:00", "utc": "1903-03-30T23:58:49Z", "ms": -2106691271338.0566 }, "end": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-03-31", "window": { "start": { "local": "1903-03-31T12:30:21+08:00", "utc": "1903-03-31T04:30:21Z", "ms": -2106674978659.3906 }, "end": { "local": "1903-03-31T13:18:21+08:00", "utc": "1903-03-31T05:18:21Z", "ms": -2106672098659.3906 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-01", "window": { "start": { "local": "1903-04-01T12:30:03+08:00", "utc": "1903-04-01T04:30:03Z", "ms": -2106588596800.957 }, "end": { "local": "1903-04-01T13:18:03+08:00", "utc": "1903-04-01T05:18:03Z", "ms": -2106585716800.957 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr.", "fact": "1903-03-30T23:58:49Z → 1903-03-31T22:39:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 31st, 12:30–13:18 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16293 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1903: Tuesday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-31", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1903 falls on Tuesday 31 March. Tṛtīyā runs from 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16293, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-03-31T07:58:49+08:00", "utc": "1903-03-30T23:58:49Z", "ms": -2106691271338.0566 }, "end": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-03-31T07:58:49+08:00", "utc": "1903-03-30T23:58:49Z", "ms": -2106691271338.0566 }, "end": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-03-31", "window": { "start": { "local": "1903-03-31T12:30:21+08:00", "utc": "1903-03-31T04:30:21Z", "ms": -2106674978659.3906 }, "end": { "local": "1903-03-31T13:18:21+08:00", "utc": "1903-03-31T05:18:21Z", "ms": -2106672098659.3906 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-01", "window": { "start": { "local": "1903-04-01T12:30:03+08:00", "utc": "1903-04-01T04:30:03Z", "ms": -2106588596800.957 }, "end": { "local": "1903-04-01T13:18:03+08:00", "utc": "1903-04-01T05:18:03Z", "ms": -2106585716800.957 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr.", "fact": "1903-03-30T23:58:49Z → 1903-03-31T22:39:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 31st, 12:30–13:18 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16293 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1903: Tuesday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-03-31", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1903 falls on Tuesday 31 March. Tṛtīyā runs from 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-04-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21017, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 }, "end": { "local": "1903-04-02T05:02:27+08:00", "utc": "1903-04-01T21:02:27Z", "ms": -2106529052692.1284 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-01T06:39:46+08:00", "utc": "1903-03-31T22:39:46Z", "ms": -2106609614136.9226 }, "end": { "local": "1903-04-02T05:02:27+08:00", "utc": "1903-04-01T21:02:27Z", "ms": -2106529052692.1284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-01", "window": { "start": { "local": "1903-04-01T12:30:03+08:00", "utc": "1903-04-01T04:30:03Z", "ms": -2106588596800.957 }, "end": { "local": "1903-04-01T13:18:03+08:00", "utc": "1903-04-01T05:18:03Z", "ms": -2106585716800.957 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-02", "window": { "start": { "local": "1903-04-02T12:29:45+08:00", "utc": "1903-04-02T04:29:45Z", "ms": -2106502214873.373 }, "end": { "local": "1903-04-02T13:17:45+08:00", "utc": "1903-04-02T05:17:45Z", "ms": -2106499334873.373 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:40 on Wed 1 Apr to 05:02 on Thu 2 Apr.", "fact": "1903-03-31T22:39:46Z → 1903-04-01T21:02:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 1st, 12:30–13:18 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21017 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Wednesday 1 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": "1903-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Wednesday 1 April. Caturthī runs from 06:40 on Wed 1 Apr to 05:02 on Thu 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-04-01", "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/1903/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26838, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-04-02T05:02:27+08:00", "utc": "1903-04-01T21:02:27Z", "ms": -2106529052692.1284 }, "end": { "local": "1903-04-03T03:10:43+08:00", "utc": "1903-04-02T19:10:43Z", "ms": -2106449356514.66 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-02T05:02:27+08:00", "utc": "1903-04-01T21:02:27Z", "ms": -2106529052692.1284 }, "end": { "local": "1903-04-03T03:10:43+08:00", "utc": "1903-04-02T19:10:43Z", "ms": -2106449356514.66 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-02", "window": { "start": { "local": "1903-04-02T12:29:45+08:00", "utc": "1903-04-02T04:29:45Z", "ms": -2106502214873.373 }, "end": { "local": "1903-04-02T13:17:45+08:00", "utc": "1903-04-02T05:17:45Z", "ms": -2106499334873.373 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-03", "window": { "start": { "local": "1903-04-03T12:29:27+08:00", "utc": "1903-04-03T04:29:27Z", "ms": -2106415832860.7986 }, "end": { "local": "1903-04-03T13:17:27+08:00", "utc": "1903-04-03T05:17:27Z", "ms": -2106412952860.7986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:02 on Thu 2 Apr to 03:11 on Fri 3 Apr.", "fact": "1903-04-01T21:02:27Z → 1903-04-02T19:10:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 2nd, 12:29–13:17 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26838 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1903: Thursday 2 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": "1903-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-02", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1903 falls on Thursday 2 April. Pañcamī runs from 05:02 on Thu 2 Apr to 03:11 on Fri 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26815, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-04-04T22:58:05+08:00", "utc": "1903-04-04T14:58:05Z", "ms": -2106291715096.098 }, "end": { "local": "1903-04-05T20:43:46+08:00", "utc": "1903-04-05T12:43:46Z", "ms": -2106213373938.9604 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-04T22:58:05+08:00", "utc": "1903-04-04T14:58:05Z", "ms": -2106291715096.098 }, "end": { "local": "1903-04-05T20:43:46+08:00", "utc": "1903-04-05T12:43:46Z", "ms": -2106213373938.9604 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-04", "window": { "start": { "local": "1903-04-04T12:29:09+08:00", "utc": "1903-04-04T04:29:09Z", "ms": -2106329450746.7983 }, "end": { "local": "1903-04-04T13:17:09+08:00", "utc": "1903-04-04T05:17:09Z", "ms": -2106326570746.7983 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-04-05", "window": { "start": { "local": "1903-04-05T12:28:51+08:00", "utc": "1903-04-05T04:28:51Z", "ms": -2106243068514.142 }, "end": { "local": "1903-04-05T13:16:51+08:00", "utc": "1903-04-05T05:16:51Z", "ms": -2106240188514.142 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:58 on Sat 4 Apr to 20:44 on Sun 5 Apr.", "fact": "1903-04-04T14:58:05Z → 1903-04-05T12:43:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 4th, 12:29–13:17 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26815 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1903: Sunday 5 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": "1903-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-05", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1903 falls on Sunday 5 April. Aṣṭamī runs from 22:58 on Sat 4 Apr to 20:44 on Sun 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18717, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1903-04-05T20:43:46+08:00", "utc": "1903-04-05T12:43:46Z", "ms": -2106213373938.9604 }, "end": { "local": "1903-04-06T18:28:30+08:00", "utc": "1903-04-06T10:28:30Z", "ms": -2106135089634.7627 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-05T20:43:46+08:00", "utc": "1903-04-05T12:43:46Z", "ms": -2106213373938.9604 }, "end": { "local": "1903-04-06T18:28:30+08:00", "utc": "1903-04-06T10:28:30Z", "ms": -2106135089634.7627 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-05", "window": { "start": { "local": "1903-04-05T12:28:51+08:00", "utc": "1903-04-05T04:28:51Z", "ms": -2106243068514.142 }, "end": { "local": "1903-04-05T13:16:51+08:00", "utc": "1903-04-05T05:16:51Z", "ms": -2106240188514.142 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-04-06", "window": { "start": { "local": "1903-04-06T12:28:34+08:00", "utc": "1903-04-06T04:28:34Z", "ms": -2106156686144.6692 }, "end": { "local": "1903-04-06T13:16:34+08:00", "utc": "1903-04-06T05:16:34Z", "ms": -2106153806144.6692 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:44 on Sun 5 Apr to 18:29 on Mon 6 Apr.", "fact": "1903-04-05T12:43:46Z → 1903-04-06T10:28:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 5th, 12:29–13:17 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18717 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1903: Monday 6 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": "1903-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-06", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1903 falls on Monday 6 April. Navamī runs from 20:44 on Sun 5 Apr to 18:29 on Mon 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-04-08", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27653, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-04-07T16:15:48+08:00", "utc": "1903-04-07T08:15:48Z", "ms": -2106056651580.8735 }, "end": { "local": "1903-04-08T14:09:31+08:00", "utc": "1903-04-08T06:09:31Z", "ms": -2105977828932.0845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-07T16:15:48+08:00", "utc": "1903-04-07T08:15:48Z", "ms": -2106056651580.8735 }, "end": { "local": "1903-04-08T14:09:31+08:00", "utc": "1903-04-08T06:09:31Z", "ms": -2105977828932.0845 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-04-07", "window": { "start": { "local": "1903-04-07T06:30:02+08:00", "utc": "1903-04-06T22:30:02Z", "ms": -2106091797991.6206 }, "end": { "local": "1903-04-07T06:30:02+08:00", "utc": "1903-04-06T22:30:02Z", "ms": -2106091797991.6206 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-04-08", "window": { "start": { "local": "1903-04-08T06:28:38+08:00", "utc": "1903-04-07T22:28:38Z", "ms": -2106005481736.4668 }, "end": { "local": "1903-04-08T06:28:38+08:00", "utc": "1903-04-07T22:28:38Z", "ms": -2106005481736.4668 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:16 on Tue 7 Apr to 14:10 on Wed 8 Apr.", "fact": "1903-04-07T08:15:48Z → 1903-04-08T06:09:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 7th and 06:29 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27653 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1903: Wednesday 8 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": "1903-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1903 falls on Wednesday 8 April. Ekādaśī runs from 16:16 on Tue 7 Apr to 14:10 on Wed 8 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 829, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-04-09T12:13:53+08:00", "utc": "1903-04-09T04:13:53Z", "ms": -2105898366761.224 }, "end": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-09T12:13:53+08:00", "utc": "1903-04-09T04:13:53Z", "ms": -2105898366761.224 }, "end": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-09", "window": { "start": { "local": "1903-04-09T12:27:42+08:00", "utc": "1903-04-09T04:27:42Z", "ms": -2105897538019.6594 }, "end": { "local": "1903-04-09T13:15:42+08:00", "utc": "1903-04-09T05:15:42Z", "ms": -2105894658019.6594 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-10", "window": { "start": { "local": "1903-04-10T12:27:25+08:00", "utc": "1903-04-10T04:27:25Z", "ms": -2105811154903.3765 }, "end": { "local": "1903-04-10T13:15:25+08:00", "utc": "1903-04-10T05:15:25Z", "ms": -2105808274903.3765 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:14 on Thu 9 Apr to 10:34 on Fri 10 Apr.", "fact": "1903-04-09T04:13:53Z → 1903-04-10T02:33:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 9th, 12:27–13:15 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 829 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1903: Thursday 9 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": "1903-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-09", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1903 falls on Thursday 9 April. Trayodaśī runs from 12:14 on Thu 9 Apr to 10:34 on Fri 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-04-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25336, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-04-09T12:13:53+08:00", "utc": "1903-04-09T04:13:53Z", "ms": -2105898366761.224 }, "end": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-09T12:13:53+08:00", "utc": "1903-04-09T04:13:53Z", "ms": -2105898366761.224 }, "end": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-04-09", "window": { "start": { "local": "1903-04-09T19:16:09+08:00", "utc": "1903-04-09T11:16:09Z", "ms": -2105873030944.9983 }, "end": { "local": "1903-04-09T20:45:27+08:00", "utc": "1903-04-09T12:45:27Z", "ms": -2105867673223.4878 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1903-04-10", "window": { "start": { "local": "1903-04-10T19:16:58+08:00", "utc": "1903-04-10T11:16:58Z", "ms": -2105786581773.0835 }, "end": { "local": "1903-04-10T20:45:58+08:00", "utc": "1903-04-10T12:45:58Z", "ms": -2105781241606.362 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:14 on Thu 9 Apr to 10:34 on Fri 10 Apr.", "fact": "1903-04-09T04:13:53Z → 1903-04-10T02:33:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:45 on the 9th, 19:17–20:46 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 89 of 89 minutes on the 9th and 0 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 25336 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Thursday 9 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": "1903-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Thursday 9 April. Trayodaśī runs from 12:14 on Thu 9 Apr to 10:34 on Fri 10 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-04-09", "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/1903/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6832, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 }, "end": { "local": "1903-04-11T09:13:22+08:00", "utc": "1903-04-11T01:13:22Z", "ms": -2105736397671.83 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-10T10:33:33+08:00", "utc": "1903-04-10T02:33:33Z", "ms": -2105817987327.0984 }, "end": { "local": "1903-04-11T09:13:22+08:00", "utc": "1903-04-11T01:13:22Z", "ms": -2105736397671.83 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-10", "window": { "start": { "local": "1903-04-10T12:27:25+08:00", "utc": "1903-04-10T04:27:25Z", "ms": -2105811154903.3765 }, "end": { "local": "1903-04-10T13:15:25+08:00", "utc": "1903-04-10T05:15:25Z", "ms": -2105808274903.3765 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-11", "window": { "start": { "local": "1903-04-11T12:27:08+08:00", "utc": "1903-04-11T04:27:08Z", "ms": -2105724771547.4927 }, "end": { "local": "1903-04-11T13:15:08+08:00", "utc": "1903-04-11T05:15:08Z", "ms": -2105721891547.4927 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:34 on Fri 10 Apr to 09:13 on Sat 11 Apr.", "fact": "1903-04-10T02:33:33Z → 1903-04-11T01:13:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 10th, 12:27–13:15 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6832 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1903: Friday 10 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": "1903-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-10", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1903 falls on Friday 10 April. Caturdaśī runs from 10:34 on Fri 10 Apr to 09:13 on Sat 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11626, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-04-11T09:13:22+08:00", "utc": "1903-04-11T01:13:22Z", "ms": -2105736397671.83 }, "end": { "local": "1903-04-12T08:18:15+08:00", "utc": "1903-04-12T00:18:15Z", "ms": -2105653304813.8303 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1903-04-11T09:13:22+08:00", "utc": "1903-04-11T01:13:22Z", "ms": -2105736397671.83 }, "end": { "local": "1903-04-12T08:18:15+08:00", "utc": "1903-04-12T00:18:15Z", "ms": -2105653304813.8303 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-11", "window": { "start": { "local": "1903-04-11T12:27:08+08:00", "utc": "1903-04-11T04:27:08Z", "ms": -2105724771547.4927 }, "end": { "local": "1903-04-11T13:15:08+08:00", "utc": "1903-04-11T05:15:08Z", "ms": -2105721891547.4927 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-12", "window": { "start": { "local": "1903-04-12T12:26:52+08:00", "utc": "1903-04-12T04:26:52Z", "ms": -2105638387930.6294 }, "end": { "local": "1903-04-12T13:14:52+08:00", "utc": "1903-04-12T05:14:52Z", "ms": -2105635507930.6294 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:13 on Sat 11 Apr to 08:18 on Sun 12 Apr.", "fact": "1903-04-11T01:13:22Z → 1903-04-12T00:18:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 11th, 12:27–13:15 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11626 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1903: Saturday 11 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": "1903-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-11", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1903 falls on Saturday 11 April. Pūrṇimā runs from 09:13 on Sat 11 Apr to 08:18 on Sun 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26409, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1903-04-13T23:00:16+08:00", "utc": "1903-04-13T15:00:16Z", "ms": -2105513984244.4097 }, "end": { "local": "1903-05-14T20:00:29+08:00", "utc": "1903-05-14T12:00:29Z", "ms": -2102846370857.5742 } }, "span": { "of": "transit", "start": { "local": "1903-04-13T23:00:16+08:00", "utc": "1903-04-13T15:00:16Z", "ms": -2105513984244.4097 }, "end": { "local": "1903-04-13T23:00:16+08:00", "utc": "1903-04-13T15:00:16Z", "ms": -2105513984244.4097 } }, "kaala": "day", "days": [ { "local_date": "1903-04-13", "window": { "start": { "local": "1903-04-13T06:21:46+08:00", "utc": "1903-04-12T22:21:46Z", "ms": -2105573894021.5308 }, "end": { "local": "1903-04-14T06:20:25+08:00", "utc": "1903-04-13T22:20:25Z", "ms": -2105487574967.3962 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1903-04-14", "window": { "start": { "local": "1903-04-14T06:20:25+08:00", "utc": "1903-04-13T22:20:25Z", "ms": -2105487574967.3962 }, "end": { "local": "1903-04-15T06:19:05+08:00", "utc": "1903-04-14T22:19:05Z", "ms": -2105401255335.1775 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 23:00 on Mon 13 Apr.", "fact": "1903-04-13T15:00:16Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:22 on the 13th, and from 06:20 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 26409 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1903: Monday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1903-04-13", "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": "1903-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Vaiśākhī 1903 falls on Monday 13 April. The Sun enters Meṣa at 23:00 on Mon 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-04-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39620, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-04-15T08:42:29+08:00", "utc": "1903-04-15T00:42:29Z", "ms": -2105392651158.2605 }, "end": { "local": "1903-04-16T09:59:04+08:00", "utc": "1903-04-16T01:59:04Z", "ms": -2105301656352.862 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-15T08:42:29+08:00", "utc": "1903-04-15T00:42:29Z", "ms": -2105392651158.2605 }, "end": { "local": "1903-04-16T09:59:04+08:00", "utc": "1903-04-16T01:59:04Z", "ms": -2105301656352.862 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-04-14", "window": { "start": { "local": "1903-04-14T21:42:09+08:00", "utc": "1903-04-14T13:42:09Z", "ms": -2105432271402.0132 }, "end": { "local": "1903-04-14T21:42:09+08:00", "utc": "1903-04-14T13:42:09Z", "ms": -2105432271402.0132 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-04-15", "window": { "start": { "local": "1903-04-15T22:37:24+08:00", "utc": "1903-04-15T14:37:24Z", "ms": -2105342556229.182 }, "end": { "local": "1903-04-15T22:37:24+08:00", "utc": "1903-04-15T14:37:24Z", "ms": -2105342556229.182 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:42 on Wed 15 Apr to 09:59 on Thu 16 Apr.", "fact": "1903-04-15T00:42:29Z → 1903-04-16T01:59:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:42 on the 14th and 22:37 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "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 39620 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Wednesday 15 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": "1903-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-15", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Wednesday 15 April. Caturthī runs from 08:42 on Wed 15 Apr to 09:59 on Thu 16 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-04-15", "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/1903/ekadashi?on=1903-04-23", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23336, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-04-22T22:30:58+08:00", "utc": "1903-04-22T14:30:58Z", "ms": -2104738141712.1855 }, "end": { "local": "1903-04-23T23:38:36+08:00", "utc": "1903-04-23T15:38:36Z", "ms": -2104647683552.6863 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-22T22:30:58+08:00", "utc": "1903-04-22T14:30:58Z", "ms": -2104738141712.1855 }, "end": { "local": "1903-04-23T23:38:36+08:00", "utc": "1903-04-23T15:38:36Z", "ms": -2104647683552.6863 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-04-23", "window": { "start": { "local": "1903-04-23T06:08:46+08:00", "utc": "1903-04-22T22:08:46Z", "ms": -2104710673775.5085 }, "end": { "local": "1903-04-23T06:08:46+08:00", "utc": "1903-04-22T22:08:46Z", "ms": -2104710673775.5085 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-04-24", "window": { "start": { "local": "1903-04-24T06:07:32+08:00", "utc": "1903-04-23T22:07:32Z", "ms": -2104624347573.524 }, "end": { "local": "1903-04-24T06:07:32+08:00", "utc": "1903-04-23T22:07:32Z", "ms": -2104624347573.524 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:31 on Wed 22 Apr to 23:39 on Thu 23 Apr.", "fact": "1903-04-22T14:30:58Z → 1903-04-23T15:38:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 23rd and 06:08 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23336 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1903: Thursday 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": "1903-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-23", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1903 falls on Thursday 23 April. Ekādaśī runs from 22:31 on Wed 22 Apr to 23:39 on Thu 23 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-04-23", "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/1903/pradosha-vrata?on=1903-04-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10704, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-04-25T00:06:16+08:00", "utc": "1903-04-24T16:06:16Z", "ms": -2104559624421.7798 }, "end": { "local": "1903-04-25T23:52:33+08:00", "utc": "1903-04-25T15:52:33Z", "ms": -2104474047305.4463 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-25T00:06:16+08:00", "utc": "1903-04-24T16:06:16Z", "ms": -2104559624421.7798 }, "end": { "local": "1903-04-25T23:52:33+08:00", "utc": "1903-04-25T15:52:33Z", "ms": -2104474047305.4463 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-04-24", "window": { "start": { "local": "1903-04-24T19:28:33+08:00", "utc": "1903-04-24T11:28:33Z", "ms": -2104576287164.9531 }, "end": { "local": "1903-04-24T20:53:35+08:00", "utc": "1903-04-24T12:53:35Z", "ms": -2104571184942.6987 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1903-04-25", "window": { "start": { "local": "1903-04-25T19:29:23+08:00", "utc": "1903-04-25T11:29:23Z", "ms": -2104489837023.0588 }, "end": { "local": "1903-04-25T20:54:09+08:00", "utc": "1903-04-25T12:54:09Z", "ms": -2104484751089.6765 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:06 on Sat 25 Apr to 23:53 on Sat 25 Apr.", "fact": "1903-04-24T16:06:16Z → 1903-04-25T15:52:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:54 on the 24th, 19:29–20:54 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 24th and 85 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 10704 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Saturday 25 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": "1903-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-25", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Saturday 25 April. Trayodaśī runs from 00:06 on Sat 25 Apr to 23:53 on Sat 25 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-04-25", "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/1903/shivaratri?on=1903-04-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1843, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-04-25T23:52:33+08:00", "utc": "1903-04-25T15:52:33Z", "ms": -2104474047305.4463 }, "end": { "local": "1903-04-26T22:59:25+08:00", "utc": "1903-04-26T14:59:25Z", "ms": -2104390835449.961 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-25T23:52:33+08:00", "utc": "1903-04-25T15:52:33Z", "ms": -2104474047305.4463 }, "end": { "local": "1903-04-26T22:59:25+08:00", "utc": "1903-04-26T14:59:25Z", "ms": -2104390835449.961 } }, "kaala": "nishita", "days": [ { "local_date": "1903-04-25", "window": { "start": { "local": "1903-04-26T00:23:15+08:00", "utc": "1903-04-25T16:23:15Z", "ms": -2104472204772.875 }, "end": { "local": "1903-04-26T01:11:15+08:00", "utc": "1903-04-25T17:11:15Z", "ms": -2104469324772.875 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-04-26", "window": { "start": { "local": "1903-04-27T00:23:05+08:00", "utc": "1903-04-26T16:23:05Z", "ms": -2104385815227.2617 }, "end": { "local": "1903-04-27T01:11:05+08:00", "utc": "1903-04-26T17:11:05Z", "ms": -2104382935227.2617 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:53 on Sat 25 Apr to 22:59 on Sun 26 Apr.", "fact": "1903-04-25T15:52:33Z → 1903-04-26T14:59:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:23–01:11 on the 25th, 00:23–01:11 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 1843 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Saturday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Saturday 25 April. Caturdaśī runs from 23:53 on Sat 25 Apr to 22:59 on Sun 26 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-04-25", "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/1903/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8196, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-04-29T17:16:08+08:00", "utc": "1903-04-29T09:16:08Z", "ms": -2104152232220.6597 }, "end": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-29T17:16:08+08:00", "utc": "1903-04-29T09:16:08Z", "ms": -2104152232220.6597 }, "end": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-04-29", "window": { "start": { "local": "1903-04-29T19:32:44+08:00", "utc": "1903-04-29T11:32:44Z", "ms": -2104144036086.406 }, "end": { "local": "1903-04-29T20:56:26+08:00", "utc": "1903-04-29T12:56:26Z", "ms": -2104139014091.2935 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1903-04-30", "window": { "start": { "local": "1903-04-30T19:33:34+08:00", "utc": "1903-04-30T11:33:34Z", "ms": -2104057585826.1155 }, "end": { "local": "1903-04-30T20:57:01+08:00", "utc": "1903-04-30T12:57:01Z", "ms": -2104052579486.3674 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:16 on Wed 29 Apr to 14:44 on Thu 30 Apr.", "fact": "1903-04-29T09:16:08Z → 1903-04-30T06:43:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:56 on the 29th, 19:34–20:57 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 84 of 84 minutes on the 29th and 0 of 83 on the 30th.", "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 8196 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1903: Wednesday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1903 falls on Wednesday 29 April. Tṛtīyā runs from 17:16 on Wed 29 Apr to 14:44 on Thu 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15129, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-04-29T17:16:08+08:00", "utc": "1903-04-29T09:16:08Z", "ms": -2104152232220.6597 }, "end": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-29T17:16:08+08:00", "utc": "1903-04-29T09:16:08Z", "ms": -2104152232220.6597 }, "end": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 } }, "kaala": "purvahna", "days": [ { "local_date": "1903-04-29", "window": { "start": { "local": "1903-04-29T06:01:37+08:00", "utc": "1903-04-28T22:01:37Z", "ms": -2104192702946.1018 }, "end": { "local": "1903-04-29T10:31:59+08:00", "utc": "1903-04-29T02:31:59Z", "ms": -2104176480659.5366 } }, "covered_min": 0, "window_min": 270, "qualifies": false }, { "local_date": "1903-04-30", "window": { "start": { "local": "1903-04-30T06:00:29+08:00", "utc": "1903-04-29T22:00:29Z", "ms": -2104106371123.0627 }, "end": { "local": "1903-04-30T10:31:31+08:00", "utc": "1903-04-30T02:31:31Z", "ms": -2104090109357.4136 } }, "covered_min": 271, "window_min": 271, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:16 on Wed 29 Apr to 14:44 on Thu 30 Apr.", "fact": "1903-04-29T09:16:08Z → 1903-04-30T06:43:40Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:02–10:32 on the 29th, 06:00–10:32 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 270 minutes on the 29th and 271 of 271 on the 30th.", "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 15129 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1903: Thursday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-04-30", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1903 falls on Thursday 30 April. Tṛtīyā runs from 17:16 on Wed 29 Apr to 14:44 on Thu 30 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1104, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-05-01T12:04:30+08:00", "utc": "1903-05-01T04:04:30Z", "ms": -2103998130466.1248 }, "end": { "local": "1903-05-02T09:25:29+08:00", "utc": "1903-05-02T01:25:29Z", "ms": -2103921271168.248 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-01T12:04:30+08:00", "utc": "1903-05-01T04:04:30Z", "ms": -2103998130466.1248 }, "end": { "local": "1903-05-02T09:25:29+08:00", "utc": "1903-05-02T01:25:29Z", "ms": -2103921271168.248 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-01", "window": { "start": { "local": "1903-05-01T12:22:53+08:00", "utc": "1903-05-01T04:22:53Z", "ms": -2103997026932.1055 }, "end": { "local": "1903-05-01T13:10:53+08:00", "utc": "1903-05-01T05:10:53Z", "ms": -2103994146932.1055 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-05-02", "window": { "start": { "local": "1903-05-02T12:22:45+08:00", "utc": "1903-05-02T04:22:45Z", "ms": -2103910634884.7761 }, "end": { "local": "1903-05-02T13:10:45+08:00", "utc": "1903-05-02T05:10:45Z", "ms": -2103907754884.7761 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:04 on Fri 1 May to 09:25 on Sat 2 May.", "fact": "1903-05-01T04:04:30Z → 1903-05-02T01:25:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 1st, 12:23–13:11 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1104 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1903: Friday 1 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": "1903-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-01", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1903 falls on Friday 1 May. Pañcamī runs from 12:04 on Fri 1 May to 09:25 on Sat 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-05-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1104, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 }, "end": { "local": "1903-05-01T12:04:30+08:00", "utc": "1903-05-01T04:04:30Z", "ms": -2103998130466.1248 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-04-30T14:43:40+08:00", "utc": "1903-04-30T06:43:40Z", "ms": -2104074980387.2004 }, "end": { "local": "1903-05-01T12:04:30+08:00", "utc": "1903-05-01T04:04:30Z", "ms": -2103998130466.1248 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-04-30", "window": { "start": { "local": "1903-04-30T12:23:02+08:00", "utc": "1903-04-30T04:23:02Z", "ms": -2104083418474.589 }, "end": { "local": "1903-04-30T13:11:02+08:00", "utc": "1903-04-30T05:11:02Z", "ms": -2104080538474.589 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-01", "window": { "start": { "local": "1903-05-01T12:22:53+08:00", "utc": "1903-05-01T04:22:53Z", "ms": -2103997026932.1055 }, "end": { "local": "1903-05-01T13:10:53+08:00", "utc": "1903-05-01T05:10:53Z", "ms": -2103994146932.1055 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:44 on Thu 30 Apr to 12:04 on Fri 1 May.", "fact": "1903-04-30T06:43:40Z → 1903-05-01T04:04:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 30th, 12:23–13:11 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1104 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Friday 1 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": "1903-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Friday 1 May. Caturthī runs from 14:44 on Thu 30 Apr to 12:04 on Fri 1 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-05-01", "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/1903/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19798, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-05-03T06:52:40+08:00", "utc": "1903-05-02T22:52:40Z", "ms": -2103844040208.9126 }, "end": { "local": "1903-05-04T04:31:03+08:00", "utc": "1903-05-03T20:31:03Z", "ms": -2103766136699.2095 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-03T06:52:40+08:00", "utc": "1903-05-02T22:52:40Z", "ms": -2103844040208.9126 }, "end": { "local": "1903-05-04T04:31:03+08:00", "utc": "1903-05-03T20:31:03Z", "ms": -2103766136699.2095 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-03", "window": { "start": { "local": "1903-05-03T12:22:38+08:00", "utc": "1903-05-03T04:22:38Z", "ms": -2103824242328.128 }, "end": { "local": "1903-05-03T13:10:38+08:00", "utc": "1903-05-03T05:10:38Z", "ms": -2103821362328.128 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-05-04", "window": { "start": { "local": "1903-05-04T12:22:31+08:00", "utc": "1903-05-04T04:22:31Z", "ms": -2103737849257.0435 }, "end": { "local": "1903-05-04T13:10:31+08:00", "utc": "1903-05-04T05:10:31Z", "ms": -2103734969257.0435 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:53 on Sun 3 May to 04:31 on Mon 4 May.", "fact": "1903-05-02T22:52:40Z → 1903-05-03T20:31:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 3rd, 12:23–13:11 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19798 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1903: Sunday 3 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": "1903-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-03", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1903 falls on Sunday 3 May. Saptamī runs from 06:53 on Sun 3 May to 04:31 on Mon 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-05-07", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24354, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-05-06T23:07:08+08:00", "utc": "1903-05-06T15:07:08Z", "ms": -2103526372201.204 }, "end": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-06T23:07:08+08:00", "utc": "1903-05-06T15:07:08Z", "ms": -2103526372201.204 }, "end": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-05-07", "window": { "start": { "local": "1903-05-07T05:53:02+08:00", "utc": "1903-05-06T21:53:02Z", "ms": -2103502018317.2214 }, "end": { "local": "1903-05-07T05:53:02+08:00", "utc": "1903-05-06T21:53:02Z", "ms": -2103502018317.2214 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-05-08", "window": { "start": { "local": "1903-05-08T05:52:02+08:00", "utc": "1903-05-07T21:52:02Z", "ms": -2103415677589.28 }, "end": { "local": "1903-05-08T05:52:02+08:00", "utc": "1903-05-07T21:52:02Z", "ms": -2103415677589.28 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:07 on Wed 6 May to 21:59 on Thu 7 May.", "fact": "1903-05-06T15:07:08Z → 1903-05-07T13:59:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 7th and 05:52 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24354 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1903: Thursday 7 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": "1903-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-07", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1903 falls on Thursday 7 May. Ekādaśī runs from 23:07 on Wed 6 May to 21:59 on Thu 7 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29002, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 }, "end": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 }, "end": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-07", "window": { "start": { "local": "1903-05-07T12:22:13+08:00", "utc": "1903-05-07T04:22:13Z", "ms": -2103478666896.5396 }, "end": { "local": "1903-05-07T13:10:13+08:00", "utc": "1903-05-07T05:10:13Z", "ms": -2103475786896.5396 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-08", "window": { "start": { "local": "1903-05-08T12:22:08+08:00", "utc": "1903-05-08T04:22:08Z", "ms": -2103392271704.9766 }, "end": { "local": "1903-05-08T13:10:08+08:00", "utc": "1903-05-08T05:10:08Z", "ms": -2103389391704.9766 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:59 on Thu 7 May to 21:14 on Fri 8 May.", "fact": "1903-05-07T13:59:20Z → 1903-05-08T13:13:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 7th, 12:22–13:10 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 29002 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1903: Friday 8 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": "1903-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-08", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1903 falls on Friday 8 May. Dvādaśī runs from 21:59 on Thu 7 May to 21:14 on Fri 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29002, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 }, "end": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-07T21:59:20+08:00", "utc": "1903-05-07T13:59:20Z", "ms": -2103444039669.7444 }, "end": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-07", "window": { "start": { "local": "1903-05-07T12:22:13+08:00", "utc": "1903-05-07T04:22:13Z", "ms": -2103478666896.5396 }, "end": { "local": "1903-05-07T13:10:13+08:00", "utc": "1903-05-07T05:10:13Z", "ms": -2103475786896.5396 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-08", "window": { "start": { "local": "1903-05-08T12:22:08+08:00", "utc": "1903-05-08T04:22:08Z", "ms": -2103392271704.9766 }, "end": { "local": "1903-05-08T13:10:08+08:00", "utc": "1903-05-08T05:10:08Z", "ms": -2103389391704.9766 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:59 on Thu 7 May to 21:14 on Fri 8 May.", "fact": "1903-05-07T13:59:20Z → 1903-05-08T13:13:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 7th, 12:22–13:10 on the 8th.", "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 7th and 48 of 48 on the 8th.", "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 29002 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1903: Friday 8 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": "1903-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-08", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1903 falls on Friday 8 May. Dvādaśī runs from 21:59 on Thu 7 May to 21:14 on Fri 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-05-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 701, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 }, "end": { "local": "1903-05-09T20:50:35+08:00", "utc": "1903-05-09T12:50:35Z", "ms": -2103275364988.1938 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-08T21:13:31+08:00", "utc": "1903-05-08T13:13:31Z", "ms": -2103360389262.1272 }, "end": { "local": "1903-05-09T20:50:35+08:00", "utc": "1903-05-09T12:50:35Z", "ms": -2103275364988.1938 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-05-08", "window": { "start": { "local": "1903-05-08T19:40:14+08:00", "utc": "1903-05-08T11:40:14Z", "ms": -2103365985820.6729 }, "end": { "local": "1903-05-08T21:01:41+08:00", "utc": "1903-05-08T13:01:41Z", "ms": -2103361099127.8171 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1903-05-09", "window": { "start": { "local": "1903-05-09T19:41:04+08:00", "utc": "1903-05-09T11:41:04Z", "ms": -2103279536308.3306 }, "end": { "local": "1903-05-09T21:02:16+08:00", "utc": "1903-05-09T13:02:16Z", "ms": -2103274663786.3965 } }, "covered_min": 70, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:14 on Fri 8 May to 20:51 on Sat 9 May.", "fact": "1903-05-08T13:13:31Z → 1903-05-09T12:50:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:40–21:02 on the 8th, 19:41–21:02 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 8th and 70 of 81 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 701 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Saturday 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": "1903-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-09", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Saturday 9 May. Trayodaśī runs from 21:14 on Fri 8 May to 20:51 on Sat 9 May and covers 70 of 81 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-05-09", "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/1903/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 673, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-05-09T20:50:35+08:00", "utc": "1903-05-09T12:50:35Z", "ms": -2103275364988.1938 }, "end": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-09T20:50:35+08:00", "utc": "1903-05-09T12:50:35Z", "ms": -2103275364988.1938 }, "end": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-05-09", "window": { "start": { "local": "1903-05-09T19:41:04+08:00", "utc": "1903-05-09T11:41:04Z", "ms": -2103279536308.3306 }, "end": { "local": "1903-05-09T21:02:16+08:00", "utc": "1903-05-09T13:02:16Z", "ms": -2103274663786.3965 } }, "covered_min": 12, "window_min": 81, "qualifies": true }, { "local_date": "1903-05-10", "window": { "start": { "local": "1903-05-10T19:41:53+08:00", "utc": "1903-05-10T11:41:53Z", "ms": -2103193086954.164 }, "end": { "local": "1903-05-10T21:02:52+08:00", "utc": "1903-05-10T13:02:52Z", "ms": -2103188228409.6565 } }, "covered_min": 70, "window_min": 81, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:51 on Sat 9 May to 20:52 on Sun 10 May.", "fact": "1903-05-09T12:50:35Z → 1903-05-10T12:51:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:41–21:02 on the 9th, 19:42–21:03 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 12 of 81 minutes on the 9th and 70 of 81 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 673 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1903: Sunday 10 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": "1903-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-10", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1903 falls on Sunday 10 May. Caturdaśī runs from 20:51 on Sat 9 May to 20:52 on Sun 10 May and covers 70 of 81 minutes of pradoṣa that evening. It also reaches the previous evening for 12 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27698, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 }, "end": { "local": "1903-05-11T21:17:52+08:00", "utc": "1903-05-11T13:17:52Z", "ms": -2103100927584.521 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 }, "end": { "local": "1903-05-11T21:17:52+08:00", "utc": "1903-05-11T13:17:52Z", "ms": -2103100927584.521 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-10", "window": { "start": { "local": "1903-05-10T12:22:00+08:00", "utc": "1903-05-10T04:22:00Z", "ms": -2103219479673.9946 }, "end": { "local": "1903-05-10T13:10:00+08:00", "utc": "1903-05-10T05:10:00Z", "ms": -2103216599673.9946 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-11", "window": { "start": { "local": "1903-05-11T12:21:57+08:00", "utc": "1903-05-11T04:21:57Z", "ms": -2103133082822.1582 }, "end": { "local": "1903-05-11T13:09:57+08:00", "utc": "1903-05-11T05:09:57Z", "ms": -2103130202822.1582 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:52 on Sun 10 May to 21:18 on Mon 11 May.", "fact": "1903-05-10T12:51:38Z → 1903-05-11T13:17:52Z" }, { "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": "Pūrṇimā 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: unstated → only-day · margin 27698 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1903: Monday 11 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": "1903-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1903 falls on Monday 11 May. Pūrṇimā runs from 20:52 on Sun 10 May to 21:18 on Mon 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27698, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 }, "end": { "local": "1903-05-11T21:17:52+08:00", "utc": "1903-05-11T13:17:52Z", "ms": -2103100927584.521 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-10T20:51:38+08:00", "utc": "1903-05-10T12:51:38Z", "ms": -2103188901518.054 }, "end": { "local": "1903-05-11T21:17:52+08:00", "utc": "1903-05-11T13:17:52Z", "ms": -2103100927584.521 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-10", "window": { "start": { "local": "1903-05-10T12:22:00+08:00", "utc": "1903-05-10T04:22:00Z", "ms": -2103219479673.9946 }, "end": { "local": "1903-05-10T13:10:00+08:00", "utc": "1903-05-10T05:10:00Z", "ms": -2103216599673.9946 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-11", "window": { "start": { "local": "1903-05-11T12:21:57+08:00", "utc": "1903-05-11T04:21:57Z", "ms": -2103133082822.1582 }, "end": { "local": "1903-05-11T13:09:57+08:00", "utc": "1903-05-11T05:09:57Z", "ms": -2103130202822.1582 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:52 on Sun 10 May to 21:18 on Mon 11 May.", "fact": "1903-05-10T12:51:38Z → 1903-05-11T13:17:52Z" }, { "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": "Pūrṇimā 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 27698 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1903: Monday 11 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": "1903-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1903 falls on Monday 11 May. Pūrṇimā runs from 20:52 on Sun 10 May to 21:18 on Mon 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-05-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10900, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-05-15T01:12:31+08:00", "utc": "1903-05-14T17:12:31Z", "ms": -2102827648611.3245 }, "end": { "local": "1903-05-16T03:17:16+08:00", "utc": "1903-05-15T19:17:16Z", "ms": -2102733764393.7473 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-15T01:12:31+08:00", "utc": "1903-05-14T17:12:31Z", "ms": -2102827648611.3245 }, "end": { "local": "1903-05-16T03:17:16+08:00", "utc": "1903-05-15T19:17:16Z", "ms": -2102733764393.7473 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-05-14", "window": { "start": { "local": "1903-05-14T22:10:51+08:00", "utc": "1903-05-14T14:10:51Z", "ms": -2102838549065.2566 }, "end": { "local": "1903-05-14T22:10:51+08:00", "utc": "1903-05-14T14:10:51Z", "ms": -2102838549065.2566 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-05-15", "window": { "start": { "local": "1903-05-15T22:57:02+08:00", "utc": "1903-05-15T14:57:02Z", "ms": -2102749378001.9568 }, "end": { "local": "1903-05-15T22:57:02+08:00", "utc": "1903-05-15T14:57:02Z", "ms": -2102749378001.9568 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:13 on Fri 15 May to 03:17 on Sat 16 May.", "fact": "1903-05-14T17:12:31Z → 1903-05-15T19:17:16Z" }, { "step": "kaala", "text": "Moonrise is at 22:11 on the 14th and 22:57 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "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 10900 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Friday 15 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": "1903-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-15", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Friday 15 May. Caturthī runs from 01:13 on Fri 15 May to 03:17 on Sat 16 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-05-15", "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/1903/ekadashi?on=1903-05-23", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30981, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-05-22T14:19:57+08:00", "utc": "1903-05-22T06:19:57Z", "ms": -2102175603382.5352 }, "end": { "local": "1903-05-23T14:16:18+08:00", "utc": "1903-05-23T06:16:18Z", "ms": -2102089421893.954 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-22T14:19:57+08:00", "utc": "1903-05-22T06:19:57Z", "ms": -2102175603382.5352 }, "end": { "local": "1903-05-23T14:16:18+08:00", "utc": "1903-05-23T06:16:18Z", "ms": -2102089421893.954 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-05-22", "window": { "start": { "local": "1903-05-22T05:40:35+08:00", "utc": "1903-05-21T21:40:35Z", "ms": -2102206765250.9653 }, "end": { "local": "1903-05-22T05:40:35+08:00", "utc": "1903-05-21T21:40:35Z", "ms": -2102206765250.9653 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-05-23", "window": { "start": { "local": "1903-05-23T05:39:57+08:00", "utc": "1903-05-22T21:39:57Z", "ms": -2102120403243.531 }, "end": { "local": "1903-05-23T05:39:57+08:00", "utc": "1903-05-22T21:39:57Z", "ms": -2102120403243.531 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:20 on Fri 22 May to 14:16 on Sat 23 May.", "fact": "1903-05-22T06:19:57Z → 1903-05-23T06:16:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 22nd and 05:40 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 30981 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1903: Saturday 23 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": "1903-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1903 falls on Saturday 23 May. Ekādaśī runs from 14:20 on Fri 22 May to 14:16 on Sat 23 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-05-23", "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/1903/pradosha-vrata?on=1903-05-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23264, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-05-24T13:25:12+08:00", "utc": "1903-05-24T05:25:12Z", "ms": -2102006088488.1045 }, "end": { "local": "1903-05-25T11:49:26+08:00", "utc": "1903-05-25T03:49:26Z", "ms": -2101925433639.4485 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-24T13:25:12+08:00", "utc": "1903-05-24T05:25:12Z", "ms": -2102006088488.1045 }, "end": { "local": "1903-05-25T11:49:26+08:00", "utc": "1903-05-25T03:49:26Z", "ms": -2101925433639.4485 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-05-24", "window": { "start": { "local": "1903-05-24T19:52:56+08:00", "utc": "1903-05-24T11:52:56Z", "ms": -2101982824294.5264 }, "end": { "local": "1903-05-24T21:11:02+08:00", "utc": "1903-05-24T13:11:02Z", "ms": -2101978137648.287 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1903-05-25", "window": { "start": { "local": "1903-05-25T19:53:40+08:00", "utc": "1903-05-25T11:53:40Z", "ms": -2101896380064.1719 }, "end": { "local": "1903-05-25T21:11:36+08:00", "utc": "1903-05-25T13:11:36Z", "ms": -2101891703740.2622 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:25 on Sun 24 May to 11:49 on Mon 25 May.", "fact": "1903-05-24T05:25:12Z → 1903-05-25T03:49:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:11 on the 24th, 19:54–21:12 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 78 of 78 minutes on the 24th and 0 of 78 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 23264 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Sunday 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": "1903-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-24", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Sunday 24 May. Trayodaśī runs from 13:25 on Sun 24 May to 11:49 on Mon 25 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-05-24", "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/1903/shivaratri?on=1903-05-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30298, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-05-25T11:49:26+08:00", "utc": "1903-05-25T03:49:26Z", "ms": -2101925433639.4485 }, "end": { "local": "1903-05-26T09:34:54+08:00", "utc": "1903-05-26T01:34:54Z", "ms": -2101847105802.118 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-25T11:49:26+08:00", "utc": "1903-05-25T03:49:26Z", "ms": -2101925433639.4485 }, "end": { "local": "1903-05-26T09:34:54+08:00", "utc": "1903-05-26T01:34:54Z", "ms": -2101847105802.118 } }, "kaala": "nishita", "days": [ { "local_date": "1903-05-24", "window": { "start": { "local": "1903-05-25T00:21:51+08:00", "utc": "1903-05-24T16:21:51Z", "ms": -2101966689371.129 }, "end": { "local": "1903-05-25T01:09:51+08:00", "utc": "1903-05-24T17:09:51Z", "ms": -2101963809371.129 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-25", "window": { "start": { "local": "1903-05-26T00:21:56+08:00", "utc": "1903-05-25T16:21:56Z", "ms": -2101880283849.511 }, "end": { "local": "1903-05-26T01:09:56+08:00", "utc": "1903-05-25T17:09:56Z", "ms": -2101877403849.511 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:49 on Mon 25 May to 09:35 on Tue 26 May.", "fact": "1903-05-25T03:49:26Z → 1903-05-26T01:34:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 24th, 00:22–01:10 on the 25th.", "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 24th and 48 of 48 on the 25th.", "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 30298 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Monday 25 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": "1903-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Monday 25 May. Caturdaśī runs from 11:49 on Mon 25 May to 09:35 on Tue 26 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-05-25", "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/1903/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28402, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-05-29T00:24:14+08:00", "utc": "1903-05-28T16:24:14Z", "ms": -2101620945706.9548 }, "end": { "local": "1903-05-29T21:03:58+08:00", "utc": "1903-05-29T13:03:58Z", "ms": -2101546561894.0935 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-29T00:24:14+08:00", "utc": "1903-05-28T16:24:14Z", "ms": -2101620945706.9548 }, "end": { "local": "1903-05-29T21:03:58+08:00", "utc": "1903-05-29T13:03:58Z", "ms": -2101546561894.0935 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-28", "window": { "start": { "local": "1903-05-28T12:22:30+08:00", "utc": "1903-05-28T04:22:30Z", "ms": -2101664250106.3555 }, "end": { "local": "1903-05-28T13:10:30+08:00", "utc": "1903-05-28T05:10:30Z", "ms": -2101661370106.3555 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-29", "window": { "start": { "local": "1903-05-29T12:22:37+08:00", "utc": "1903-05-29T04:22:37Z", "ms": -2101577843443.9258 }, "end": { "local": "1903-05-29T13:10:37+08:00", "utc": "1903-05-29T05:10:37Z", "ms": -2101574963443.9258 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:24 on Fri 29 May to 21:04 on Fri 29 May.", "fact": "1903-05-28T16:24:14Z → 1903-05-29T13:03:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 28th, 12:23–13:11 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "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 28402 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1903: Friday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-29", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1903 falls on Friday 29 May. Tṛtīyā runs from 00:24 on Fri 29 May to 21:04 on Fri 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-05-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16833, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-05-29T21:03:58+08:00", "utc": "1903-05-29T13:03:58Z", "ms": -2101546561894.0935 }, "end": { "local": "1903-05-30T17:51:17+08:00", "utc": "1903-05-30T09:51:17Z", "ms": -2101471722953.2163 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-29T21:03:58+08:00", "utc": "1903-05-29T13:03:58Z", "ms": -2101546561894.0935 }, "end": { "local": "1903-05-30T17:51:17+08:00", "utc": "1903-05-30T09:51:17Z", "ms": -2101471722953.2163 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-29", "window": { "start": { "local": "1903-05-29T12:22:37+08:00", "utc": "1903-05-29T04:22:37Z", "ms": -2101577843443.9258 }, "end": { "local": "1903-05-29T13:10:37+08:00", "utc": "1903-05-29T05:10:37Z", "ms": -2101574963443.9258 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-05-30", "window": { "start": { "local": "1903-05-30T12:22:44+08:00", "utc": "1903-05-30T04:22:44Z", "ms": -2101491436338.6343 }, "end": { "local": "1903-05-30T13:10:44+08:00", "utc": "1903-05-30T05:10:44Z", "ms": -2101488556338.6343 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:04 on Fri 29 May to 17:51 on Sat 30 May.", "fact": "1903-05-29T13:03:58Z → 1903-05-30T09:51:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 29th, 12:23–13:11 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16833 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Saturday 30 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": "1903-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-05-30", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Saturday 30 May. Caturthī runs from 21:04 on Fri 29 May to 17:51 on Sat 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-05-30", "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/1903/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 129, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-05-31T14:54:35+08:00", "utc": "1903-05-31T06:54:35Z", "ms": -2101395925202.4922 }, "end": { "local": "1903-06-01T12:20:50+08:00", "utc": "1903-06-01T04:20:50Z", "ms": -2101318749587.2183 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-31T14:54:35+08:00", "utc": "1903-05-31T06:54:35Z", "ms": -2101395925202.4922 }, "end": { "local": "1903-06-01T12:20:50+08:00", "utc": "1903-06-01T04:20:50Z", "ms": -2101318749587.2183 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-31", "window": { "start": { "local": "1903-05-31T12:22:51+08:00", "utc": "1903-05-31T04:22:51Z", "ms": -2101405028808.5215 }, "end": { "local": "1903-05-31T13:10:51+08:00", "utc": "1903-05-31T05:10:51Z", "ms": -2101402148808.5215 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-06-01", "window": { "start": { "local": "1903-06-01T12:22:59+08:00", "utc": "1903-06-01T04:22:59Z", "ms": -2101318620870.9697 }, "end": { "local": "1903-06-01T13:10:59+08:00", "utc": "1903-06-01T05:10:59Z", "ms": -2101315740870.9697 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:55 on Sun 31 May to 12:21 on Mon 1 Jun.", "fact": "1903-05-31T06:54:35Z → 1903-06-01T04:20:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 31st, 12:23–13:11 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 129 s < 300 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1903: Monday 1 June.", "fact": "confidence: boundary (margin)" } ], "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": "1903-06-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-01", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1903 falls on Monday 1 June. Ṣaṣṭhī runs from 14:55 on Sun 31 May to 12:21 on Mon 1 Jun, and reaches madhyāhna on neither day. It is 2 min 09 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 129, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-05-31T14:54:35+08:00", "utc": "1903-05-31T06:54:35Z", "ms": -2101395925202.4922 }, "end": { "local": "1903-06-01T12:20:50+08:00", "utc": "1903-06-01T04:20:50Z", "ms": -2101318749587.2183 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-05-31T14:54:35+08:00", "utc": "1903-05-31T06:54:35Z", "ms": -2101395925202.4922 }, "end": { "local": "1903-06-01T12:20:50+08:00", "utc": "1903-06-01T04:20:50Z", "ms": -2101318749587.2183 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-05-31", "window": { "start": { "local": "1903-05-31T12:22:51+08:00", "utc": "1903-05-31T04:22:51Z", "ms": -2101405028808.5215 }, "end": { "local": "1903-05-31T13:10:51+08:00", "utc": "1903-05-31T05:10:51Z", "ms": -2101402148808.5215 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-06-01", "window": { "start": { "local": "1903-06-01T12:22:59+08:00", "utc": "1903-06-01T04:22:59Z", "ms": -2101318620870.9697 }, "end": { "local": "1903-06-01T13:10:59+08:00", "utc": "1903-06-01T05:10:59Z", "ms": -2101315740870.9697 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:55 on Sun 31 May to 12:21 on Mon 1 Jun.", "fact": "1903-05-31T06:54:35Z → 1903-06-01T04:20:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 31st, 12:23–13:11 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 129 s < 300 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1903: Monday 1 June.", "fact": "confidence: boundary (margin)" } ], "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": "1903-06-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-01", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1903 falls on Monday 1 June. Ṣaṣṭhī runs from 14:55 on Sun 31 May to 12:21 on Mon 1 Jun, and reaches madhyāhna on neither day. It is 2 min 09 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-06-06", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5628, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-06-05T07:08:37+08:00", "utc": "1903-06-04T23:08:37Z", "ms": -2100991882914.3486 }, "end": { "local": "1903-06-06T07:07:44+08:00", "utc": "1903-06-05T23:07:44Z", "ms": -2100905536314.545 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-05T07:08:37+08:00", "utc": "1903-06-04T23:08:37Z", "ms": -2100991882914.3486 }, "end": { "local": "1903-06-06T07:07:44+08:00", "utc": "1903-06-05T23:07:44Z", "ms": -2100905536314.545 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-06-05", "window": { "start": { "local": "1903-06-05T05:34:11+08:00", "utc": "1903-06-04T21:34:11Z", "ms": -2100997549237.4785 }, "end": { "local": "1903-06-05T05:34:11+08:00", "utc": "1903-06-04T21:34:11Z", "ms": -2100997549237.4785 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-06-06", "window": { "start": { "local": "1903-06-06T05:33:56+08:00", "utc": "1903-06-05T21:33:56Z", "ms": -2100911164253.3115 }, "end": { "local": "1903-06-06T05:33:56+08:00", "utc": "1903-06-05T21:33:56Z", "ms": -2100911164253.3115 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:09 on Fri 5 Jun to 07:08 on Sat 6 Jun.", "fact": "1903-06-04T23:08:37Z → 1903-06-05T23:07:44Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 5th and 05:34 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 5628 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1903: Saturday 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": "1903-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-06", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1903 falls on Saturday 6 June. Ekādaśī runs from 07:09 on Fri 5 Jun to 07:08 on Sat 6 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-06-06", "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/1903/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17415, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-06-06T07:07:44+08:00", "utc": "1903-06-05T23:07:44Z", "ms": -2100905536314.545 }, "end": { "local": "1903-06-07T07:33:39+08:00", "utc": "1903-06-06T23:33:39Z", "ms": -2100817580956.7688 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-06T07:07:44+08:00", "utc": "1903-06-05T23:07:44Z", "ms": -2100905536314.545 }, "end": { "local": "1903-06-07T07:33:39+08:00", "utc": "1903-06-06T23:33:39Z", "ms": -2100817580956.7688 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-06-06", "window": { "start": { "local": "1903-06-06T12:23:44+08:00", "utc": "1903-06-06T04:23:44Z", "ms": -2100886575631.4404 }, "end": { "local": "1903-06-06T13:11:44+08:00", "utc": "1903-06-06T05:11:44Z", "ms": -2100883695631.4404 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-06-07", "window": { "start": { "local": "1903-06-07T12:23:54+08:00", "utc": "1903-06-07T04:23:54Z", "ms": -2100800165579.7964 }, "end": { "local": "1903-06-07T13:11:54+08:00", "utc": "1903-06-07T05:11:54Z", "ms": -2100797285579.7964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:08 on Sat 6 Jun to 07:34 on Sun 7 Jun.", "fact": "1903-06-05T23:07:44Z → 1903-06-06T23:33:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 6th, 12:24–13:12 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17415 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1903: Saturday 6 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": "1903-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1903 falls on Saturday 6 June. Dvādaśī runs from 07:08 on Sat 6 Jun to 07:34 on Sun 7 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-06-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36949, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-06-07T07:33:39+08:00", "utc": "1903-06-06T23:33:39Z", "ms": -2100817580956.7688 }, "end": { "local": "1903-06-08T08:23:44+08:00", "utc": "1903-06-08T00:23:44Z", "ms": -2100728176033.35 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-07T07:33:39+08:00", "utc": "1903-06-06T23:33:39Z", "ms": -2100817580956.7688 }, "end": { "local": "1903-06-08T08:23:44+08:00", "utc": "1903-06-08T00:23:44Z", "ms": -2100728176033.35 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-06-06", "window": { "start": { "local": "1903-06-06T20:01:33+08:00", "utc": "1903-06-06T12:01:33Z", "ms": -2100859107009.5696 }, "end": { "local": "1903-06-06T21:17:50+08:00", "utc": "1903-06-06T13:17:50Z", "ms": -2100854529753.654 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1903-06-07", "window": { "start": { "local": "1903-06-07T20:02:06+08:00", "utc": "1903-06-07T12:02:06Z", "ms": -2100772673569.3901 }, "end": { "local": "1903-06-07T21:18:18+08:00", "utc": "1903-06-07T13:18:18Z", "ms": -2100768102326.3472 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:34 on Sun 7 Jun to 08:24 on Mon 8 Jun.", "fact": "1903-06-06T23:33:39Z → 1903-06-08T00:23:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:02–21:18 on the 6th, 20:02–21:18 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 36949 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Sunday 7 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Sunday 7 June. Trayodaśī runs from 07:34 on Sun 7 Jun to 08:24 on Mon 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-06-07", "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/1903/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32145, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-06-09T09:35:45+08:00", "utc": "1903-06-09T01:35:45Z", "ms": -2100637455169.364 }, "end": { "local": "1903-06-10T11:07:55+08:00", "utc": "1903-06-10T03:07:55Z", "ms": -2100545525257.5251 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-09T09:35:45+08:00", "utc": "1903-06-09T01:35:45Z", "ms": -2100637455169.364 }, "end": { "local": "1903-06-10T11:07:55+08:00", "utc": "1903-06-10T03:07:55Z", "ms": -2100545525257.5251 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-06-09", "window": { "start": { "local": "1903-06-09T20:03:10+08:00", "utc": "1903-06-09T12:03:10Z", "ms": -2100599809967.3835 }, "end": { "local": "1903-06-09T21:19:10+08:00", "utc": "1903-06-09T13:19:10Z", "ms": -2100595249640.6897 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1903-06-10", "window": { "start": { "local": "1903-06-10T20:03:40+08:00", "utc": "1903-06-10T12:03:40Z", "ms": -2100513379868.8867 }, "end": { "local": "1903-06-10T21:19:36+08:00", "utc": "1903-06-10T13:19:36Z", "ms": -2100508824437.6133 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:36 on Tue 9 Jun to 11:08 on Wed 10 Jun.", "fact": "1903-06-09T01:35:45Z → 1903-06-10T03:07:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:03–21:19 on the 9th, 20:04–21:20 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 9th and 0 of 76 on the 10th.", "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 32145 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1903: Tuesday 9 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": "1903-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-09", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1903 falls on Tuesday 9 June. Pūrṇimā runs from 09:36 on Tue 9 Jun to 11:08 on Wed 10 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-06-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11131, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-06-13T17:24:04+08:00", "utc": "1903-06-13T09:24:04Z", "ms": -2100263756440.4634 }, "end": { "local": "1903-06-14T19:49:04+08:00", "utc": "1903-06-14T11:49:04Z", "ms": -2100168655735.8894 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-13T17:24:04+08:00", "utc": "1903-06-13T09:24:04Z", "ms": -2100263756440.4634 }, "end": { "local": "1903-06-14T19:49:04+08:00", "utc": "1903-06-14T11:49:04Z", "ms": -2100168655735.8894 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-06-13", "window": { "start": { "local": "1903-06-13T22:17:28+08:00", "utc": "1903-06-13T14:17:28Z", "ms": -2100246152467.332 }, "end": { "local": "1903-06-13T22:17:28+08:00", "utc": "1903-06-13T14:17:28Z", "ms": -2100246152467.332 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-06-14", "window": { "start": { "local": "1903-06-14T22:54:35+08:00", "utc": "1903-06-14T14:54:35Z", "ms": -2100157525056.7434 }, "end": { "local": "1903-06-14T22:54:35+08:00", "utc": "1903-06-14T14:54:35Z", "ms": -2100157525056.7434 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:24 on Sat 13 Jun to 19:49 on Sun 14 Jun.", "fact": "1903-06-13T09:24:04Z → 1903-06-14T11:49:04Z" }, { "step": "kaala", "text": "Moonrise is at 22:17 on the 13th and 22:55 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.", "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 11131 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Saturday 13 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": "1903-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Saturday 13 June. Caturthī runs from 17:24 on Sat 13 Jun to 19:49 on Sun 14 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-06-13", "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/1903/ekadashi?on=1903-06-21", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8645, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-06-21T03:09:25+08:00", "utc": "1903-06-20T19:09:25Z", "ms": -2099623834775.7812 }, "end": { "local": "1903-06-22T01:52:33+08:00", "utc": "1903-06-21T17:52:33Z", "ms": -2099542047320.9282 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-21T03:09:25+08:00", "utc": "1903-06-20T19:09:25Z", "ms": -2099623834775.7812 }, "end": { "local": "1903-06-22T01:52:33+08:00", "utc": "1903-06-21T17:52:33Z", "ms": -2099542047320.9282 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-06-21", "window": { "start": { "local": "1903-06-21T05:33:30+08:00", "utc": "1903-06-20T21:33:30Z", "ms": -2099615189610.296 }, "end": { "local": "1903-06-21T05:33:30+08:00", "utc": "1903-06-20T21:33:30Z", "ms": -2099615189610.296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-06-22", "window": { "start": { "local": "1903-06-22T05:33:42+08:00", "utc": "1903-06-21T21:33:42Z", "ms": -2099528778377.0479 }, "end": { "local": "1903-06-22T05:33:42+08:00", "utc": "1903-06-21T21:33:42Z", "ms": -2099528778377.0479 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:09 on Sun 21 Jun to 01:53 on Mon 22 Jun.", "fact": "1903-06-20T19:09:25Z → 1903-06-21T17:52:33Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 21st and 05:34 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8645 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1903: Sunday 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": "1903-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-21", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1903 falls on Sunday 21 June. Ekādaśī runs from 03:09 on Sun 21 Jun to 01:53 on Mon 22 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-06-21", "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/1903/pradosha-vrata?on=1903-06-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1166, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-06-22T23:48:39+08:00", "utc": "1903-06-22T15:48:39Z", "ms": -2099463081432.356 }, "end": { "local": "1903-06-23T21:04:14+08:00", "utc": "1903-06-23T13:04:14Z", "ms": -2099386545511.7825 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-22T23:48:39+08:00", "utc": "1903-06-22T15:48:39Z", "ms": -2099463081432.356 }, "end": { "local": "1903-06-23T21:04:14+08:00", "utc": "1903-06-23T13:04:14Z", "ms": -2099386545511.7825 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-06-22", "window": { "start": { "local": "1903-06-22T20:08:01+08:00", "utc": "1903-06-22T12:08:01Z", "ms": -2099476319054.5198 }, "end": { "local": "1903-06-22T21:23:28+08:00", "utc": "1903-06-22T13:23:28Z", "ms": -2099471791930.8704 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1903-06-23", "window": { "start": { "local": "1903-06-23T20:08:13+08:00", "utc": "1903-06-23T12:08:13Z", "ms": -2099389906552.256 }, "end": { "local": "1903-06-23T21:23:41+08:00", "utc": "1903-06-23T13:23:41Z", "ms": -2099385379197.1257 } }, "covered_min": 56, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:49 on Mon 22 Jun to 21:04 on Tue 23 Jun.", "fact": "1903-06-22T15:48:39Z → 1903-06-23T13:04:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:23 on the 22nd, 20:08–21:24 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 22nd and 56 of 75 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 1166 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Tuesday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-23", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Tuesday 23 June. Trayodaśī runs from 23:49 on Mon 22 Jun to 21:04 on Tue 23 Jun and covers 56 of 75 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-06-23", "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/1903/shivaratri?on=1903-06-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12177, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-06-23T21:04:14+08:00", "utc": "1903-06-23T13:04:14Z", "ms": -2099386545511.7825 }, "end": { "local": "1903-06-24T17:48:11+08:00", "utc": "1903-06-24T09:48:11Z", "ms": -2099311909033.4512 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-23T21:04:14+08:00", "utc": "1903-06-23T13:04:14Z", "ms": -2099386545511.7825 }, "end": { "local": "1903-06-24T17:48:11+08:00", "utc": "1903-06-24T09:48:11Z", "ms": -2099311909033.4512 } }, "kaala": "nishita", "days": [ { "local_date": "1903-06-23", "window": { "start": { "local": "1903-06-24T00:27:11+08:00", "utc": "1903-06-23T16:27:11Z", "ms": -2099374368970.5168 }, "end": { "local": "1903-06-24T01:15:11+08:00", "utc": "1903-06-23T17:15:11Z", "ms": -2099371488970.5168 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-06-24", "window": { "start": { "local": "1903-06-25T00:27:24+08:00", "utc": "1903-06-24T16:27:24Z", "ms": -2099287955644.6216 }, "end": { "local": "1903-06-25T01:15:24+08:00", "utc": "1903-06-24T17:15:24Z", "ms": -2099285075644.6216 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:04 on Tue 23 Jun to 17:48 on Wed 24 Jun.", "fact": "1903-06-23T13:04:14Z → 1903-06-24T09:48:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 23rd, 00:27–01:15 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 12177 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Tuesday 23 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": "1903-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Tuesday 23 June. Caturdaśī runs from 21:04 on Tue 23 Jun to 17:48 on Wed 24 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-06-23", "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/1903/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7480, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1903-06-26T10:23:01+08:00", "utc": "1903-06-26T02:23:01Z", "ms": -2099165818959.2427 }, "end": { "local": "1903-06-27T06:36:07+08:00", "utc": "1903-06-26T22:36:07Z", "ms": -2099093033340.9854 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-26T10:23:01+08:00", "utc": "1903-06-26T02:23:01Z", "ms": -2099165818959.2427 }, "end": { "local": "1903-06-27T06:36:07+08:00", "utc": "1903-06-26T22:36:07Z", "ms": -2099093033340.9854 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-06-26", "window": { "start": { "local": "1903-06-26T12:27:41+08:00", "utc": "1903-06-26T04:27:41Z", "ms": -2099158338500.6924 }, "end": { "local": "1903-06-26T13:15:41+08:00", "utc": "1903-06-26T05:15:41Z", "ms": -2099155458500.6924 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-06-27", "window": { "start": { "local": "1903-06-27T12:27:54+08:00", "utc": "1903-06-27T04:27:54Z", "ms": -2099071926164.5088 }, "end": { "local": "1903-06-27T13:15:54+08:00", "utc": "1903-06-27T05:15:54Z", "ms": -2099069046164.5088 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:23 on Fri 26 Jun to 06:36 on Sat 27 Jun.", "fact": "1903-06-26T02:23:01Z → 1903-06-26T22:36:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 26th, 12:28–13:16 on the 27th.", "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 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 7480 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1903: Friday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-26", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1903 falls on Friday 26 June. Dvitīyā runs from 10:23 on Fri 26 Jun to 06:36 on Sat 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-06-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34036, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-06-28T03:00:50+08:00", "utc": "1903-06-27T19:00:50Z", "ms": -2099019549739.9026 }, "end": { "local": "1903-06-28T23:47:06+08:00", "utc": "1903-06-28T15:47:06Z", "ms": -2098944773723.3772 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-28T03:00:50+08:00", "utc": "1903-06-27T19:00:50Z", "ms": -2099019549739.9026 }, "end": { "local": "1903-06-28T23:47:06+08:00", "utc": "1903-06-28T15:47:06Z", "ms": -2098944773723.3772 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-06-28", "window": { "start": { "local": "1903-06-28T12:28:06+08:00", "utc": "1903-06-28T04:28:06Z", "ms": -2098985513973.3757 }, "end": { "local": "1903-06-28T13:16:06+08:00", "utc": "1903-06-28T05:16:06Z", "ms": -2098982633973.3757 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-06-29", "window": { "start": { "local": "1903-06-29T12:28:18+08:00", "utc": "1903-06-29T04:28:18Z", "ms": -2098899101954.588 }, "end": { "local": "1903-06-29T13:16:18+08:00", "utc": "1903-06-29T05:16:18Z", "ms": -2098896221954.588 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:01 on Sun 28 Jun to 23:47 on Sun 28 Jun.", "fact": "1903-06-27T19:00:50Z → 1903-06-28T15:47:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 28th, 12:28–13:16 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34036 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Sunday 28 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": "1903-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-28", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Sunday 28 June. Caturthī runs from 03:01 on Sun 28 Jun to 23:47 on Sun 28 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-06-28", "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/1903/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28026, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-06-28T23:47:06+08:00", "utc": "1903-06-28T15:47:06Z", "ms": -2098944773723.3772 }, "end": { "local": "1903-06-29T21:03:24+08:00", "utc": "1903-06-29T13:03:24Z", "ms": -2098868196261.4988 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-28T23:47:06+08:00", "utc": "1903-06-28T15:47:06Z", "ms": -2098944773723.3772 }, "end": { "local": "1903-06-29T21:03:24+08:00", "utc": "1903-06-29T13:03:24Z", "ms": -2098868196261.4988 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-06-28", "window": { "start": { "local": "1903-06-28T12:28:06+08:00", "utc": "1903-06-28T04:28:06Z", "ms": -2098985513973.3757 }, "end": { "local": "1903-06-28T13:16:06+08:00", "utc": "1903-06-28T05:16:06Z", "ms": -2098982633973.3757 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-06-29", "window": { "start": { "local": "1903-06-29T12:28:18+08:00", "utc": "1903-06-29T04:28:18Z", "ms": -2098899101954.588 }, "end": { "local": "1903-06-29T13:16:18+08:00", "utc": "1903-06-29T05:16:18Z", "ms": -2098896221954.588 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:47 on Sun 28 Jun to 21:03 on Mon 29 Jun.", "fact": "1903-06-28T15:47:06Z → 1903-06-29T13:03:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 28th, 12:28–13:16 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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 28026 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1903: Monday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-06-29", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1903 falls on Monday 29 June. Pañcamī runs from 23:47 on Sun 28 Jun to 21:03 on Mon 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15171, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-06-30T18:56:13+08:00", "utc": "1903-06-30T10:56:13Z", "ms": -2098789427444.562 }, "end": { "local": "1903-07-01T17:29:33+08:00", "utc": "1903-07-01T09:29:33Z", "ms": -2098708227045.8718 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-06-30T18:56:13+08:00", "utc": "1903-06-30T10:56:13Z", "ms": -2098789427444.562 }, "end": { "local": "1903-07-01T17:29:33+08:00", "utc": "1903-07-01T09:29:33Z", "ms": -2098708227045.8718 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-06-30", "window": { "start": { "local": "1903-06-30T12:28:30+08:00", "utc": "1903-06-30T04:28:30Z", "ms": -2098812690133.6753 }, "end": { "local": "1903-06-30T13:16:30+08:00", "utc": "1903-06-30T05:16:30Z", "ms": -2098809810133.6753 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-07-01", "window": { "start": { "local": "1903-07-01T12:28:41+08:00", "utc": "1903-07-01T04:28:41Z", "ms": -2098726278534.3633 }, "end": { "local": "1903-07-01T13:16:41+08:00", "utc": "1903-07-01T05:16:41Z", "ms": -2098723398534.3633 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:56 on Tue 30 Jun to 17:30 on Wed 1 Jul.", "fact": "1903-06-30T10:56:13Z → 1903-07-01T09:29:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 30th, 12:29–13:17 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15171 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1903: Wednesday 1 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": "1903-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1903 falls on Wednesday 1 July. Saptamī runs from 18:56 on Tue 30 Jun to 17:30 on Wed 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-07-05", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41113, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-07-04T17:11:13+08:00", "utc": "1903-07-04T09:11:13Z", "ms": -2098450126914.57 }, "end": { "local": "1903-07-05T18:13:31+08:00", "utc": "1903-07-05T10:13:31Z", "ms": -2098359988933.6812 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-04T17:11:13+08:00", "utc": "1903-07-04T09:11:13Z", "ms": -2098450126914.57 }, "end": { "local": "1903-07-05T18:13:31+08:00", "utc": "1903-07-05T10:13:31Z", "ms": -2098359988933.6812 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-07-05", "window": { "start": { "local": "1903-07-05T05:38:14+08:00", "utc": "1903-07-04T21:38:14Z", "ms": -2098405305922.4368 }, "end": { "local": "1903-07-05T05:38:14+08:00", "utc": "1903-07-04T21:38:14Z", "ms": -2098405305922.4368 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-07-06", "window": { "start": { "local": "1903-07-06T05:38:44+08:00", "utc": "1903-07-05T21:38:44Z", "ms": -2098318876393.7026 }, "end": { "local": "1903-07-06T05:38:44+08:00", "utc": "1903-07-05T21:38:44Z", "ms": -2098318876393.7026 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:11 on Sat 4 Jul to 18:14 on Sun 5 Jul.", "fact": "1903-07-04T09:11:13Z → 1903-07-05T10:13:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 5th and 05:39 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41113 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1903: Sunday 5 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": "1903-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-05", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1903 falls on Sunday 5 July. Ekādaśī runs from 17:11 on Sat 4 Jul to 18:14 on Sun 5 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/pradosha-vrata?on=1903-07-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 204, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-07-06T19:40:53+08:00", "utc": "1903-07-06T11:40:53Z", "ms": -2098268347246.7026 }, "end": { "local": "1903-07-07T21:27:52+08:00", "utc": "1903-07-07T13:27:52Z", "ms": -2098175527627.0735 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-06T19:40:53+08:00", "utc": "1903-07-06T11:40:53Z", "ms": -2098268347246.7026 }, "end": { "local": "1903-07-07T21:27:52+08:00", "utc": "1903-07-07T13:27:52Z", "ms": -2098175527627.0735 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-07-06", "window": { "start": { "local": "1903-07-06T20:08:27+08:00", "utc": "1903-07-06T12:08:27Z", "ms": -2098266692785.7725 }, "end": { "local": "1903-07-06T21:24:33+08:00", "utc": "1903-07-06T13:24:33Z", "ms": -2098262126521.5618 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1903-07-07", "window": { "start": { "local": "1903-07-07T20:08:16+08:00", "utc": "1903-07-07T12:08:16Z", "ms": -2098180303677.8445 }, "end": { "local": "1903-07-07T21:24:28+08:00", "utc": "1903-07-07T13:24:28Z", "ms": -2098175731745.6633 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:41 on Mon 6 Jul to 21:28 on Tue 7 Jul.", "fact": "1903-07-06T11:40:53Z → 1903-07-07T13:27:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:25 on the 6th, 20:08–21:24 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 76 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": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 204 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Tuesday 7 July.", "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": "1903-07-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-06", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Tuesday 7 July. Trayodaśī runs from 19:41 on Mon 6 Jul to 21:28 on Tue 7 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 76 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-07-07", "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/1903/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14267, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 } }, "kaala": "udaya-3", "days": [ { "local_date": "1903-07-09", "window": { "start": { "local": "1903-07-09T05:40:18+08:00", "utc": "1903-07-08T21:40:18Z", "ms": -2098059581573.1943 }, "end": { "local": "1903-07-09T08:33:49+08:00", "utc": "1903-07-09T00:33:49Z", "ms": -2098049171390.5212 } }, "covered_min": 174, "window_min": 174, "qualifies": true }, { "local_date": "1903-07-10", "window": { "start": { "local": "1903-07-10T05:40:52+08:00", "utc": "1903-07-09T21:40:52Z", "ms": -2097973147996.9668 }, "end": { "local": "1903-07-10T08:34:12+08:00", "utc": "1903-07-10T00:34:12Z", "ms": -2097962747746.4448 } }, "covered_min": 0, "window_min": 173, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul.", "fact": "1903-07-08T15:29:54Z → 1903-07-09T17:43:05Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:40–08:34 on the 9th, 05:41–08:34 on the 10th.", "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 174 of 174 minutes on the 9th and 0 of 173 on the 10th.", "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 14267 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1903: Thursday 9 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": "1903-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1903 falls on Thursday 9 July. Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36719, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-07-08", "window": { "start": { "local": "1903-07-08T12:29:55+08:00", "utc": "1903-07-08T04:29:55Z", "ms": -2098121405244.8447 }, "end": { "local": "1903-07-08T13:17:55+08:00", "utc": "1903-07-08T05:17:55Z", "ms": -2098118525244.8447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-07-09", "window": { "start": { "local": "1903-07-09T12:30:04+08:00", "utc": "1903-07-09T04:30:04Z", "ms": -2098034996116.5117 }, "end": { "local": "1903-07-09T13:18:04+08:00", "utc": "1903-07-09T05:18:04Z", "ms": -2098032116116.5117 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul.", "fact": "1903-07-08T15:29:54Z → 1903-07-09T17:43:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 8th, 12:30–13:18 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36719 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1903: Thursday 9 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": "1903-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1903 falls on Thursday 9 July. Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12110, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 } }, "kaala": "sayahna", "days": [ { "local_date": "1903-07-08", "window": { "start": { "local": "1903-07-08T17:14:24+08:00", "utc": "1903-07-08T09:14:24Z", "ms": -2098104335879.8604 }, "end": { "local": "1903-07-08T20:08:04+08:00", "utc": "1903-07-08T12:08:04Z", "ms": -2098093916303.2039 } }, "covered_min": 0, "window_min": 174, "qualifies": false }, { "local_date": "1903-07-09", "window": { "start": { "local": "1903-07-09T17:14:19+08:00", "utc": "1903-07-09T09:14:19Z", "ms": -2098017940842.5024 }, "end": { "local": "1903-07-09T20:07:49+08:00", "utc": "1903-07-09T12:07:49Z", "ms": -2098007530659.8293 } }, "covered_min": 174, "window_min": 174, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul.", "fact": "1903-07-08T15:29:54Z → 1903-07-09T17:43:05Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:14–20:08 on the 8th, 17:14–20:08 on the 9th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 174 minutes on the 8th and 174 of 174 on the 9th.", "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 12110 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1903: Thursday 9 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": "1903-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1903 falls on Thursday 9 July. Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7532, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1903-07-08T23:29:54+08:00", "utc": "1903-07-08T15:29:54Z", "ms": -2098081806383.6692 }, "end": { "local": "1903-07-10T01:43:05+08:00", "utc": "1903-07-09T17:43:05Z", "ms": -2097987414604.5125 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-07-08", "window": { "start": { "local": "1903-07-08T20:08:04+08:00", "utc": "1903-07-08T12:08:04Z", "ms": -2098093916303.2039 }, "end": { "local": "1903-07-08T21:24:22+08:00", "utc": "1903-07-08T13:24:22Z", "ms": -2098089338339.2026 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1903-07-09", "window": { "start": { "local": "1903-07-09T20:07:49+08:00", "utc": "1903-07-09T12:07:49Z", "ms": -2098007530659.8293 }, "end": { "local": "1903-07-09T21:24:14+08:00", "utc": "1903-07-09T13:24:14Z", "ms": -2098002946304.781 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul.", "fact": "1903-07-08T15:29:54Z → 1903-07-09T17:43:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:08–21:24 on the 8th, 20:08–21:24 on the 9th.", "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 76 minutes on the 8th and 76 of 76 on the 9th.", "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 7532 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1903: Thursday 9 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": "1903-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1903 falls on Thursday 9 July. Pūrṇimā runs from 23:30 on Wed 8 Jul to 01:43 on Fri 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27998, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1903-07-11T04:03:51+08:00", "utc": "1903-07-10T20:03:51Z", "ms": -2097892569096.8079 }, "end": { "local": "1903-07-12T06:28:01+08:00", "utc": "1903-07-11T22:28:01Z", "ms": -2097797518649.4878 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-11T04:03:51+08:00", "utc": "1903-07-10T20:03:51Z", "ms": -2097892569096.8079 }, "end": { "local": "1903-07-12T06:28:01+08:00", "utc": "1903-07-11T22:28:01Z", "ms": -2097797518649.4878 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-07-10", "window": { "start": { "local": "1903-07-10T20:17:13+08:00", "utc": "1903-07-10T12:17:13Z", "ms": -2097920567323.942 }, "end": { "local": "1903-07-10T20:17:13+08:00", "utc": "1903-07-10T12:17:13Z", "ms": -2097920567323.942 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-07-11", "window": { "start": { "local": "1903-07-11T20:55:32+08:00", "utc": "1903-07-11T12:55:32Z", "ms": -2097831867622.751 }, "end": { "local": "1903-07-11T20:55:32+08:00", "utc": "1903-07-11T12:55:32Z", "ms": -2097831867622.751 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:04 on Sat 11 Jul to 06:28 on Sun 12 Jul.", "fact": "1903-07-10T20:03:51Z → 1903-07-11T22:28:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:17 on the 10th and 20:56 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 10th and is on the 11th.", "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 27998 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1903: Saturday 11 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": "1903-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-11", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1903 falls on Saturday 11 July. Dvitīyā runs from 04:04 on Sat 11 Jul to 06:28 on Sun 12 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-07-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40744, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-07-13T08:50:10+08:00", "utc": "1903-07-13T00:50:10Z", "ms": -2097702589693.9722 }, "end": { "local": "1903-07-14T11:03:06+08:00", "utc": "1903-07-14T03:03:06Z", "ms": -2097608213659.4875 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-13T08:50:10+08:00", "utc": "1903-07-13T00:50:10Z", "ms": -2097702589693.9722 }, "end": { "local": "1903-07-14T11:03:06+08:00", "utc": "1903-07-14T03:03:06Z", "ms": -2097608213659.4875 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-07-12", "window": { "start": { "local": "1903-07-12T21:31:07+08:00", "utc": "1903-07-12T13:31:07Z", "ms": -2097743333373.2937 }, "end": { "local": "1903-07-12T21:31:07+08:00", "utc": "1903-07-12T13:31:07Z", "ms": -2097743333373.2937 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-07-13", "window": { "start": { "local": "1903-07-13T22:04:39+08:00", "utc": "1903-07-13T14:04:39Z", "ms": -2097654921419.313 }, "end": { "local": "1903-07-13T22:04:39+08:00", "utc": "1903-07-13T14:04:39Z", "ms": -2097654921419.313 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:50 on Mon 13 Jul to 11:03 on Tue 14 Jul.", "fact": "1903-07-13T00:50:10Z → 1903-07-14T03:03:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 12th and 22:05 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "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 40744 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Monday 13 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": "1903-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-13", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Monday 13 July. Caturthī runs from 08:50 on Mon 13 Jul to 11:03 on Tue 14 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-07-13", "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/1903/ekadashi?on=1903-07-21", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18173, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-07-20T13:07:32+08:00", "utc": "1903-07-20T05:07:32Z", "ms": -2097082348329.507 }, "end": { "local": "1903-07-21T10:50:49+08:00", "utc": "1903-07-21T02:50:49Z", "ms": -2097004151052.331 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-20T13:07:32+08:00", "utc": "1903-07-20T05:07:32Z", "ms": -2097082348329.507 }, "end": { "local": "1903-07-21T10:50:49+08:00", "utc": "1903-07-21T02:50:49Z", "ms": -2097004151052.331 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-07-20", "window": { "start": { "local": "1903-07-20T05:47:13+08:00", "utc": "1903-07-19T21:47:13Z", "ms": -2097108766526.2305 }, "end": { "local": "1903-07-20T05:47:13+08:00", "utc": "1903-07-19T21:47:13Z", "ms": -2097108766526.2305 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-07-21", "window": { "start": { "local": "1903-07-21T05:47:55+08:00", "utc": "1903-07-20T21:47:55Z", "ms": -2097022324548.7146 }, "end": { "local": "1903-07-21T05:47:55+08:00", "utc": "1903-07-20T21:47:55Z", "ms": -2097022324548.7146 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:08 on Mon 20 Jul to 10:51 on Tue 21 Jul.", "fact": "1903-07-20T05:07:32Z → 1903-07-21T02:50:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 20th and 05:48 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 18173 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1903: Tuesday 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": "1903-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-21", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1903 falls on Tuesday 21 July. Ekādaśī runs from 13:08 on Mon 20 Jul to 10:51 on Tue 21 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-07-21", "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/1903/pradosha-vrata?on=1903-07-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25691, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-07-22T07:54:58+08:00", "utc": "1903-07-21T23:54:58Z", "ms": -2096928302430.186 }, "end": { "local": "1903-07-23T04:28:37+08:00", "utc": "1903-07-22T20:28:37Z", "ms": -2096854282948.1118 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-22T07:54:58+08:00", "utc": "1903-07-21T23:54:58Z", "ms": -2096928302430.186 }, "end": { "local": "1903-07-23T04:28:37+08:00", "utc": "1903-07-22T20:28:37Z", "ms": -2096854282948.1118 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-07-21", "window": { "start": { "local": "1903-07-21T20:02:44+08:00", "utc": "1903-07-21T12:02:44Z", "ms": -2096971035603.483 }, "end": { "local": "1903-07-21T21:20:52+08:00", "utc": "1903-07-21T13:20:52Z", "ms": -2096966348458.433 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1903-07-22", "window": { "start": { "local": "1903-07-22T20:02:08+08:00", "utc": "1903-07-22T12:02:08Z", "ms": -2096884671762.9546 }, "end": { "local": "1903-07-22T21:20:26+08:00", "utc": "1903-07-22T13:20:26Z", "ms": -2096879974056.553 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:55 on Wed 22 Jul to 04:29 on Thu 23 Jul.", "fact": "1903-07-21T23:54:58Z → 1903-07-22T20:28:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:03–21:21 on the 21st, 20:02–21:20 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 21st and 78 of 78 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25691 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Wednesday 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": "1903-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-22", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Wednesday 22 July. Trayodaśī runs from 07:55 on Wed 22 Jul to 04:29 on Thu 23 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-07-22", "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/1903/shivaratri?on=1903-07-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 611, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-07-23T04:28:37+08:00", "utc": "1903-07-22T20:28:37Z", "ms": -2096854282948.1118 }, "end": { "local": "1903-07-24T00:41:58+08:00", "utc": "1903-07-23T16:41:58Z", "ms": -2096781481528.1733 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-23T04:28:37+08:00", "utc": "1903-07-22T20:28:37Z", "ms": -2096854282948.1118 }, "end": { "local": "1903-07-24T00:41:58+08:00", "utc": "1903-07-23T16:41:58Z", "ms": -2096781481528.1733 } }, "kaala": "nishita", "days": [ { "local_date": "1903-07-22", "window": { "start": { "local": "1903-07-23T00:31:45+08:00", "utc": "1903-07-22T16:31:45Z", "ms": -2096868495363.9487 }, "end": { "local": "1903-07-23T01:19:45+08:00", "utc": "1903-07-22T17:19:45Z", "ms": -2096865615363.9487 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-07-23", "window": { "start": { "local": "1903-07-24T00:31:48+08:00", "utc": "1903-07-23T16:31:48Z", "ms": -2096782092476.8933 }, "end": { "local": "1903-07-24T01:19:48+08:00", "utc": "1903-07-23T17:19:48Z", "ms": -2096779212476.8933 } }, "covered_min": 10, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:29 on Thu 23 Jul to 00:42 on Fri 24 Jul.", "fact": "1903-07-22T20:28:37Z → 1903-07-23T16:41:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 22nd, 00:32–01:20 on the 23rd.", "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 22nd and 10 of 48 on the 23rd.", "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 611 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Thursday 23 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": "1903-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Thursday 23 July. Caturdaśī runs from 04:29 on Thu 23 Jul to 00:42 on Fri 24 Jul and covers 10 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-07-23", "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/1903/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 481, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-07-26T13:11:30+08:00", "utc": "1903-07-26T05:11:30Z", "ms": -2096563710227.9238 }, "end": { "local": "1903-07-27T09:54:22+08:00", "utc": "1903-07-27T01:54:22Z", "ms": -2096489137849.9626 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-26T13:11:30+08:00", "utc": "1903-07-26T05:11:30Z", "ms": -2096563710227.9238 }, "end": { "local": "1903-07-27T09:54:22+08:00", "utc": "1903-07-27T01:54:22Z", "ms": -2096489137849.9626 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-07-26", "window": { "start": { "local": "1903-07-26T12:31:30+08:00", "utc": "1903-07-26T04:31:30Z", "ms": -2096566109665.1982 }, "end": { "local": "1903-07-26T13:19:30+08:00", "utc": "1903-07-26T05:19:30Z", "ms": -2096563229665.1982 } }, "covered_min": 8, "window_min": 48, "qualifies": true }, { "local_date": "1903-07-27", "window": { "start": { "local": "1903-07-27T12:31:31+08:00", "utc": "1903-07-27T04:31:31Z", "ms": -2096479709303.1152 }, "end": { "local": "1903-07-27T13:19:31+08:00", "utc": "1903-07-27T05:19:31Z", "ms": -2096476829303.1152 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:11 on Sun 26 Jul to 09:54 on Mon 27 Jul.", "fact": "1903-07-26T05:11:30Z → 1903-07-27T01:54:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 26th, 12:32–13:20 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 8 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 481 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1903: Sunday 26 July.", "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": "1903-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1903 falls on Sunday 26 July. Tṛtīyā runs from 13:11 on Sun 26 Jul to 09:54 on Mon 27 Jul and covers 8 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-07-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9429, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-07-27T09:54:22+08:00", "utc": "1903-07-27T01:54:22Z", "ms": -2096489137849.9626 }, "end": { "local": "1903-07-28T07:10:00+08:00", "utc": "1903-07-27T23:10:00Z", "ms": -2096412600094.2393 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-27T09:54:22+08:00", "utc": "1903-07-27T01:54:22Z", "ms": -2096489137849.9626 }, "end": { "local": "1903-07-28T07:10:00+08:00", "utc": "1903-07-27T23:10:00Z", "ms": -2096412600094.2393 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-07-27", "window": { "start": { "local": "1903-07-27T12:31:31+08:00", "utc": "1903-07-27T04:31:31Z", "ms": -2096479709303.1152 }, "end": { "local": "1903-07-27T13:19:31+08:00", "utc": "1903-07-27T05:19:31Z", "ms": -2096476829303.1152 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-07-28", "window": { "start": { "local": "1903-07-28T12:31:30+08:00", "utc": "1903-07-28T04:31:30Z", "ms": -2096393309539.67 }, "end": { "local": "1903-07-28T13:19:30+08:00", "utc": "1903-07-28T05:19:30Z", "ms": -2096390429539.67 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:54 on Mon 27 Jul to 07:10 on Tue 28 Jul.", "fact": "1903-07-27T01:54:22Z → 1903-07-27T23:10:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 27th, 12:32–13:20 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 9429 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Monday 27 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": "1903-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Monday 27 July. Caturthī runs from 09:54 on Mon 27 Jul to 07:10 on Tue 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19291, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-07-28T07:10:00+08:00", "utc": "1903-07-27T23:10:00Z", "ms": -2096412600094.2393 }, "end": { "local": "1903-07-29T05:05:43+08:00", "utc": "1903-07-28T21:05:43Z", "ms": -2096333657268.3086 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-07-28T07:10:00+08:00", "utc": "1903-07-27T23:10:00Z", "ms": -2096412600094.2393 }, "end": { "local": "1903-07-29T05:05:43+08:00", "utc": "1903-07-28T21:05:43Z", "ms": -2096333657268.3086 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-07-28", "window": { "start": { "local": "1903-07-28T12:31:30+08:00", "utc": "1903-07-28T04:31:30Z", "ms": -2096393309539.67 }, "end": { "local": "1903-07-28T13:19:30+08:00", "utc": "1903-07-28T05:19:30Z", "ms": -2096390429539.67 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-07-29", "window": { "start": { "local": "1903-07-29T12:31:30+08:00", "utc": "1903-07-29T04:31:30Z", "ms": -2096306910381.9546 }, "end": { "local": "1903-07-29T13:19:30+08:00", "utc": "1903-07-29T05:19:30Z", "ms": -2096304030381.9546 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:10 on Tue 28 Jul to 05:06 on Wed 29 Jul.", "fact": "1903-07-27T23:10:00Z → 1903-07-28T21:05:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 28th, 12:31–13:19 on the 29th.", "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 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 19291 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1903: Tuesday 28 July.", "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": "1903-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-07-28", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1903 falls on Tuesday 28 July. Pañcamī runs from 07:10 on Tue 28 Jul to 05:06 on Wed 29 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-08-04", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 675, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-08-03T05:46:23+08:00", "utc": "1903-08-02T21:46:23Z", "ms": -2095899216759.7424 }, "end": { "local": "1903-08-04T07:38:52+08:00", "utc": "1903-08-03T23:38:52Z", "ms": -2095806067880.2212 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-08-03T05:46:23+08:00", "utc": "1903-08-02T21:46:23Z", "ms": -2095899216759.7424 }, "end": { "local": "1903-08-04T07:38:52+08:00", "utc": "1903-08-03T23:38:52Z", "ms": -2095806067880.2212 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-08-03", "window": { "start": { "local": "1903-08-03T05:57:38+08:00", "utc": "1903-08-02T21:57:38Z", "ms": -2095898541600.4534 }, "end": { "local": "1903-08-03T05:57:38+08:00", "utc": "1903-08-02T21:57:38Z", "ms": -2095898541600.4534 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-08-04", "window": { "start": { "local": "1903-08-04T05:58:25+08:00", "utc": "1903-08-03T21:58:25Z", "ms": -2095812095008.5535 }, "end": { "local": "1903-08-04T05:58:25+08:00", "utc": "1903-08-03T21:58:25Z", "ms": -2095812095008.5535 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:46 on Mon 3 Aug to 07:39 on Tue 4 Aug.", "fact": "1903-08-02T21:46:23Z → 1903-08-03T23:38:52Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 3rd and 05:58 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is on the 4th.", "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 675 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1903: Tuesday 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": "1903-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-04", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1903 falls on Tuesday 4 August. Ekādaśī runs from 05:46 on Mon 3 Aug to 07:39 on Tue 4 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-08-04", "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/1903/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9745, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-08-04T07:38:52+08:00", "utc": "1903-08-03T23:38:52Z", "ms": -2095806067880.2212 }, "end": { "local": "1903-08-05T09:48:42+08:00", "utc": "1903-08-05T01:48:42Z", "ms": -2095711878490.9998 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-08-04T07:38:52+08:00", "utc": "1903-08-03T23:38:52Z", "ms": -2095806067880.2212 }, "end": { "local": "1903-08-05T09:48:42+08:00", "utc": "1903-08-05T01:48:42Z", "ms": -2095711878490.9998 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-04", "window": { "start": { "local": "1903-08-04T12:31:12+08:00", "utc": "1903-08-04T04:31:12Z", "ms": -2095788528313.6714 }, "end": { "local": "1903-08-04T13:19:12+08:00", "utc": "1903-08-04T05:19:12Z", "ms": -2095785648313.6714 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-08-05", "window": { "start": { "local": "1903-08-05T12:31:07+08:00", "utc": "1903-08-05T04:31:07Z", "ms": -2095702133443.1497 }, "end": { "local": "1903-08-05T13:19:07+08:00", "utc": "1903-08-05T05:19:07Z", "ms": -2095699253443.1497 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:39 on Tue 4 Aug to 09:49 on Wed 5 Aug.", "fact": "1903-08-03T23:38:52Z → 1903-08-05T01:48:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 4th, 12:31–13:19 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9745 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1903: Tuesday 4 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": "1903-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-04", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1903 falls on Tuesday 4 August. Dvādaśī runs from 07:39 on Tue 4 Aug to 09:49 on Wed 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-08-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27695, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-08-05T09:48:42+08:00", "utc": "1903-08-05T01:48:42Z", "ms": -2095711878490.9998 }, "end": { "local": "1903-08-06T12:08:28+08:00", "utc": "1903-08-06T04:08:28Z", "ms": -2095617091815.0054 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-08-05T09:48:42+08:00", "utc": "1903-08-05T01:48:42Z", "ms": -2095711878490.9998 }, "end": { "local": "1903-08-06T12:08:28+08:00", "utc": "1903-08-06T04:08:28Z", "ms": -2095617091815.0054 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-08-05", "window": { "start": { "local": "1903-08-05T19:51:01+08:00", "utc": "1903-08-05T11:51:01Z", "ms": -2095675738596.0435 }, "end": { "local": "1903-08-05T21:12:13+08:00", "utc": "1903-08-05T13:12:13Z", "ms": -2095670866978.4 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1903-08-06", "window": { "start": { "local": "1903-08-06T19:50:03+08:00", "utc": "1903-08-06T11:50:03Z", "ms": -2095589396887.2334 }, "end": { "local": "1903-08-06T21:11:29+08:00", "utc": "1903-08-06T13:11:29Z", "ms": -2095584511241.6924 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:49 on Wed 5 Aug to 12:08 on Thu 6 Aug.", "fact": "1903-08-05T01:48:42Z → 1903-08-06T04:08:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:12 on the 5th, 19:50–21:11 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 81 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 27695 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Wednesday 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": "1903-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Wednesday 5 August. Trayodaśī runs from 09:49 on Wed 5 Aug to 12:08 on Thu 6 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-08-05", "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/1903/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 8277, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-08-07T14:32:01+08:00", "utc": "1903-08-07T06:32:01Z", "ms": -2095522078577.2344 }, "end": { "local": "1903-08-08T16:54:14+08:00", "utc": "1903-08-08T08:54:14Z", "ms": -2095427145813.0713 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1903-08-08T03:43:35+08:00", "utc": "1903-08-07T19:43:35Z", "ms": -2095474584675.9753 }, "end": { "local": "1903-08-08T16:54:14+08:00", "utc": "1903-08-08T08:54:14Z", "ms": -2095427145813.0713 } }, "kaala": "day", "days": [ { "local_date": "1903-08-07", "window": { "start": { "local": "1903-08-07T06:00:45+08:00", "utc": "1903-08-06T22:00:45Z", "ms": -2095552754545.6755 }, "end": { "local": "1903-08-08T06:01:32+08:00", "utc": "1903-08-07T22:01:32Z", "ms": -2095466307551.5076 } }, "covered_min": 138, "window_min": 1441, "qualifies": true }, { "local_date": "1903-08-08", "window": { "start": { "local": "1903-08-08T06:01:32+08:00", "utc": "1903-08-07T22:01:32Z", "ms": -2095466307551.5076 }, "end": { "local": "1903-08-09T06:02:20+08:00", "utc": "1903-08-08T22:02:20Z", "ms": -2095379860495.291 } }, "covered_min": 653, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:32 on Fri 7 Aug to 16:54 on Sat 8 Aug. Its second half begins at 03:44 on Sat 8 Aug.", "fact": "1903-08-07T06:32:01Z → 1903-08-08T08:54:14Z · second half from 1903-08-07T19:43:35Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:01 on the 7th, and from 06:02 on the 8th.", "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 138 of 1441 minutes on the 7th and 653 of 1441 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 8277 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1903: Saturday 8 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-08-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-08", "confidence": "boundary" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1903 falls on Saturday 8 August. The second half of Pūrṇimā runs from 03:44 on Sat 8 Aug to 16:54 on Sat 8 Aug and falls on two days: 653 minutes of it on the 8th, 138 on the 7th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4387, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-08-07T14:32:01+08:00", "utc": "1903-08-07T06:32:01Z", "ms": -2095522078577.2344 }, "end": { "local": "1903-08-08T16:54:14+08:00", "utc": "1903-08-08T08:54:14Z", "ms": -2095427145813.0713 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1903-08-07T14:32:01+08:00", "utc": "1903-08-07T06:32:01Z", "ms": -2095522078577.2344 }, "end": { "local": "1903-08-08T16:54:14+08:00", "utc": "1903-08-08T08:54:14Z", "ms": -2095427145813.0713 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-07", "window": { "start": { "local": "1903-08-07T12:30:54+08:00", "utc": "1903-08-07T04:30:54Z", "ms": -2095529345505.0415 }, "end": { "local": "1903-08-07T13:18:54+08:00", "utc": "1903-08-07T05:18:54Z", "ms": -2095526465505.0415 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-08", "window": { "start": { "local": "1903-08-08T12:30:48+08:00", "utc": "1903-08-08T04:30:48Z", "ms": -2095442952425.3489 }, "end": { "local": "1903-08-08T13:18:48+08:00", "utc": "1903-08-08T05:18:48Z", "ms": -2095440072425.3489 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:32 on Fri 7 Aug to 16:54 on Sat 8 Aug.", "fact": "1903-08-07T06:32:01Z → 1903-08-08T08:54:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:31–13:19 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4387 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1903: Saturday 8 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": "1903-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1903 falls on Saturday 8 August. Pūrṇimā runs from 14:32 on Fri 7 Aug to 16:54 on Sat 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2173, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1903-08-09T19:10:32+08:00", "utc": "1903-08-09T11:10:32Z", "ms": -2095332567882.4907 }, "end": { "local": "1903-08-10T21:16:15+08:00", "utc": "1903-08-10T13:16:15Z", "ms": -2095238624856.3887 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-09T19:10:32+08:00", "utc": "1903-08-09T11:10:32Z", "ms": -2095332567882.4907 }, "end": { "local": "1903-08-10T21:16:15+08:00", "utc": "1903-08-10T13:16:15Z", "ms": -2095238624856.3887 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-08-09", "window": { "start": { "local": "1903-08-09T20:07:08+08:00", "utc": "1903-08-09T12:07:08Z", "ms": -2095329172400.8074 }, "end": { "local": "1903-08-09T20:07:08+08:00", "utc": "1903-08-09T12:07:08Z", "ms": -2095329172400.8074 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-08-10", "window": { "start": { "local": "1903-08-10T20:40:02+08:00", "utc": "1903-08-10T12:40:02Z", "ms": -2095240798314.9006 }, "end": { "local": "1903-08-10T20:40:02+08:00", "utc": "1903-08-10T12:40:02Z", "ms": -2095240798314.9006 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:11 on Sun 9 Aug to 21:16 on Mon 10 Aug.", "fact": "1903-08-09T11:10:32Z → 1903-08-10T13:16:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 9th and 20:40 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both moonrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2173 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1903: Monday 10 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": "1903-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-10", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1903 falls on Monday 10 August. Dvitīyā runs from 19:11 on Sun 9 Aug to 21:16 on Mon 10 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28663, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-08-10T21:16:15+08:00", "utc": "1903-08-10T13:16:15Z", "ms": -2095238624856.3887 }, "end": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-10T21:16:15+08:00", "utc": "1903-08-10T13:16:15Z", "ms": -2095238624856.3887 }, "end": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-10", "window": { "start": { "local": "1903-08-10T12:30:32+08:00", "utc": "1903-08-10T04:30:32Z", "ms": -2095270168008.1064 }, "end": { "local": "1903-08-10T13:18:32+08:00", "utc": "1903-08-10T05:18:32Z", "ms": -2095267288008.1064 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-11", "window": { "start": { "local": "1903-08-11T12:30:23+08:00", "utc": "1903-08-11T04:30:23Z", "ms": -2095183776653.7192 }, "end": { "local": "1903-08-11T13:18:23+08:00", "utc": "1903-08-11T05:18:23Z", "ms": -2095180896653.7192 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:16 on Mon 10 Aug to 23:06 on Tue 11 Aug.", "fact": "1903-08-10T13:16:15Z → 1903-08-11T15:06:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 10th, 12:30–13:18 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 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28663 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1903: Tuesday 11 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": "1903-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-11", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1903 falls on Tuesday 11 August. Tṛtīyā runs from 21:16 on Mon 10 Aug to 23:06 on Tue 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12074, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 }, "end": { "local": "1903-08-13T00:34:09+08:00", "utc": "1903-08-12T16:34:09Z", "ms": -2095053951472.8452 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 }, "end": { "local": "1903-08-13T00:34:09+08:00", "utc": "1903-08-12T16:34:09Z", "ms": -2095053951472.8452 } }, "kaala": "sayahna", "days": [ { "local_date": "1903-08-11", "window": { "start": { "local": "1903-08-11T17:00:41+08:00", "utc": "1903-08-11T09:00:41Z", "ms": -2095167558897.7185 }, "end": { "local": "1903-08-11T19:44:53+08:00", "utc": "1903-08-11T11:44:53Z", "ms": -2095157707060.3848 } }, "covered_min": 0, "window_min": 164, "qualifies": false }, { "local_date": "1903-08-12", "window": { "start": { "local": "1903-08-12T16:59:58+08:00", "utc": "1903-08-12T08:59:58Z", "ms": -2095081201923.9897 }, "end": { "local": "1903-08-12T19:43:47+08:00", "utc": "1903-08-12T11:43:47Z", "ms": -2095071372635.6082 } }, "covered_min": 164, "window_min": 164, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:06 on Tue 11 Aug to 00:34 on Thu 13 Aug.", "fact": "1903-08-11T15:06:07Z → 1903-08-12T16:34:09Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:01–19:45 on the 11th, 17:00–19:44 on the 12th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 164 minutes on the 11th and 164 of 164 on the 12th.", "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 12074 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1903: Wednesday 12 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": "1903-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-12", "confidence": "determinate" } ], "quote": "In Qingyang, Bahulā Caturthī 1903 falls on Wednesday 12 August. Caturthī runs from 23:06 on Tue 11 Aug to 00:34 on Thu 13 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-08-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6834, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 }, "end": { "local": "1903-08-13T00:34:09+08:00", "utc": "1903-08-12T16:34:09Z", "ms": -2095053951472.8452 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-11T23:06:07+08:00", "utc": "1903-08-11T15:06:07Z", "ms": -2095145632575.1365 }, "end": { "local": "1903-08-13T00:34:09+08:00", "utc": "1903-08-12T16:34:09Z", "ms": -2095053951472.8452 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-08-11", "window": { "start": { "local": "1903-08-11T21:12:14+08:00", "utc": "1903-08-11T13:12:14Z", "ms": -2095152466315.21 }, "end": { "local": "1903-08-11T21:12:14+08:00", "utc": "1903-08-11T13:12:14Z", "ms": -2095152466315.21 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-08-12", "window": { "start": { "local": "1903-08-12T21:44:37+08:00", "utc": "1903-08-12T13:44:37Z", "ms": -2095064123282.4766 }, "end": { "local": "1903-08-12T21:44:37+08:00", "utc": "1903-08-12T13:44:37Z", "ms": -2095064123282.4766 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:06 on Tue 11 Aug to 00:34 on Thu 13 Aug.", "fact": "1903-08-11T15:06:07Z → 1903-08-12T16:34:09Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 11th and 21:45 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "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 6834 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Wednesday 12 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": "1903-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-12", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Wednesday 12 August. Caturthī runs from 23:06 on Tue 11 Aug to 00:34 on Thu 13 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-08-12", "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/1903/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37831, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-08-14T01:33:52+08:00", "utc": "1903-08-13T17:33:52Z", "ms": -2094963967523.7808 }, "end": { "local": "1903-08-15T01:59:12+08:00", "utc": "1903-08-14T17:59:12Z", "ms": -2094876047937.7637 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-14T01:33:52+08:00", "utc": "1903-08-13T17:33:52Z", "ms": -2094963967523.7808 }, "end": { "local": "1903-08-15T01:59:12+08:00", "utc": "1903-08-14T17:59:12Z", "ms": -2094876047937.7637 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-14", "window": { "start": { "local": "1903-08-14T12:29:54+08:00", "utc": "1903-08-14T04:29:54Z", "ms": -2094924605894.2502 }, "end": { "local": "1903-08-14T13:17:54+08:00", "utc": "1903-08-14T05:17:54Z", "ms": -2094921725894.2502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-08-15", "window": { "start": { "local": "1903-08-15T12:29:43+08:00", "utc": "1903-08-15T04:29:43Z", "ms": -2094838216708.4636 }, "end": { "local": "1903-08-15T13:17:43+08:00", "utc": "1903-08-15T05:17:43Z", "ms": -2094835336708.4636 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:34 on Fri 14 Aug to 01:59 on Sat 15 Aug.", "fact": "1903-08-13T17:33:52Z → 1903-08-14T17:59:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 14th, 12:30–13:18 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37831 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1903: Friday 14 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": "1903-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-14", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1903 falls on Friday 14 August. Ṣaṣṭhī runs from 01:34 on Fri 14 Aug to 01:59 on Sat 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37831, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-08-15T01:59:12+08:00", "utc": "1903-08-14T17:59:12Z", "ms": -2094876047937.7637 }, "end": { "local": "1903-08-16T01:45:16+08:00", "utc": "1903-08-15T17:45:16Z", "ms": -2094790483848.0376 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-15T01:59:12+08:00", "utc": "1903-08-14T17:59:12Z", "ms": -2094876047937.7637 }, "end": { "local": "1903-08-16T01:45:16+08:00", "utc": "1903-08-15T17:45:16Z", "ms": -2094790483848.0376 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-15", "window": { "start": { "local": "1903-08-15T12:29:43+08:00", "utc": "1903-08-15T04:29:43Z", "ms": -2094838216708.4636 }, "end": { "local": "1903-08-15T13:17:43+08:00", "utc": "1903-08-15T05:17:43Z", "ms": -2094835336708.4636 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-08-16", "window": { "start": { "local": "1903-08-16T12:29:32+08:00", "utc": "1903-08-16T04:29:32Z", "ms": -2094751828038.9448 }, "end": { "local": "1903-08-16T13:17:32+08:00", "utc": "1903-08-16T05:17:32Z", "ms": -2094748948038.9448 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:59 on Sat 15 Aug to 01:45 on Sun 16 Aug.", "fact": "1903-08-14T17:59:12Z → 1903-08-15T17:45:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 15th, 12:30–13:18 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 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37831 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1903: Saturday 15 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": "1903-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1903 falls on Saturday 15 August. Saptamī runs from 01:59 on Sat 15 Aug to 01:45 on Sun 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1167, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-08-16T01:45:16+08:00", "utc": "1903-08-15T17:45:16Z", "ms": -2094790483848.0376 }, "end": { "local": "1903-08-17T00:49:22+08:00", "utc": "1903-08-16T16:49:22Z", "ms": -2094707437511.0642 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-16T01:45:16+08:00", "utc": "1903-08-15T17:45:16Z", "ms": -2094790483848.0376 }, "end": { "local": "1903-08-17T00:49:22+08:00", "utc": "1903-08-16T16:49:22Z", "ms": -2094707437511.0642 } }, "kaala": "nishita", "days": [ { "local_date": "1903-08-15", "window": { "start": { "local": "1903-08-16T00:30:07+08:00", "utc": "1903-08-15T16:30:07Z", "ms": -2094794993116.6172 }, "end": { "local": "1903-08-16T01:18:07+08:00", "utc": "1903-08-15T17:18:07Z", "ms": -2094792113116.6172 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-16", "window": { "start": { "local": "1903-08-17T00:29:56+08:00", "utc": "1903-08-16T16:29:56Z", "ms": -2094708604455.913 }, "end": { "local": "1903-08-17T01:17:56+08:00", "utc": "1903-08-16T17:17:56Z", "ms": -2094705724455.913 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:45 on Sun 16 Aug to 00:49 on Mon 17 Aug.", "fact": "1903-08-15T17:45:16Z → 1903-08-16T16:49:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 15th, 00:30–01:18 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 19 of 48 on the 16th.", "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 1167 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1903: Sunday 16 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": "1903-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1903 falls on Sunday 16 August. Aṣṭamī runs from 01:45 on Sun 16 Aug to 00:49 on Mon 17 Aug and covers 19 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-08-19", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33341, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-08-18T20:54:30+08:00", "utc": "1903-08-18T12:54:30Z", "ms": -2094548729718.6138 }, "end": { "local": "1903-08-19T18:03:43+08:00", "utc": "1903-08-19T10:03:43Z", "ms": -2094472576752.3962 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-18T20:54:30+08:00", "utc": "1903-08-18T12:54:30Z", "ms": -2094548729718.6138 }, "end": { "local": "1903-08-19T18:03:43+08:00", "utc": "1903-08-19T10:03:43Z", "ms": -2094472576752.3962 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-08-19", "window": { "start": { "local": "1903-08-19T06:10:11+08:00", "utc": "1903-08-18T22:10:11Z", "ms": -2094515388909.5159 }, "end": { "local": "1903-08-19T06:10:11+08:00", "utc": "1903-08-18T22:10:11Z", "ms": -2094515388909.5159 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-08-20", "window": { "start": { "local": "1903-08-20T06:10:58+08:00", "utc": "1903-08-19T22:10:58Z", "ms": -2094428941849.331 }, "end": { "local": "1903-08-20T06:10:58+08:00", "utc": "1903-08-19T22:10:58Z", "ms": -2094428941849.331 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:55 on Tue 18 Aug to 18:04 on Wed 19 Aug.", "fact": "1903-08-18T12:54:30Z → 1903-08-19T10:03:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 19th and 06:11 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 33341 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1903: Wednesday 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": "1903-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1903 falls on Wednesday 19 August. Ekādaśī runs from 20:55 on Tue 18 Aug to 18:04 on Wed 19 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-08-19", "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/1903/pradosha-vrata?on=1903-08-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17269, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-08-20T14:46:36+08:00", "utc": "1903-08-20T06:46:36Z", "ms": -2094398003743.2847 }, "end": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-20T14:46:36+08:00", "utc": "1903-08-20T06:46:36Z", "ms": -2094398003743.2847 }, "end": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-08-20", "window": { "start": { "local": "1903-08-20T19:34:25+08:00", "utc": "1903-08-20T11:34:25Z", "ms": -2094380734796.3584 }, "end": { "local": "1903-08-20T20:59:24+08:00", "utc": "1903-08-20T12:59:24Z", "ms": -2094375636136.0435 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1903-08-21", "window": { "start": { "local": "1903-08-21T19:33:11+08:00", "utc": "1903-08-21T11:33:11Z", "ms": -2094294409335.0374 }, "end": { "local": "1903-08-21T20:58:26+08:00", "utc": "1903-08-21T12:58:26Z", "ms": -2094289294477.559 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:47 on Thu 20 Aug to 11:12 on Fri 21 Aug.", "fact": "1903-08-20T06:46:36Z → 1903-08-21T03:12:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:59 on the 20th, 19:33–20:58 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 85 of 85 minutes on the 20th and 0 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 17269 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Thursday 20 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": "1903-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-20", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Thursday 20 August. Trayodaśī runs from 14:47 on Thu 20 Aug to 11:12 on Fri 21 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30065, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 }, "end": { "local": "1903-08-22T07:30:04+08:00", "utc": "1903-08-21T23:30:04Z", "ms": -2094251395745.3904 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 }, "end": { "local": "1903-08-22T07:30:04+08:00", "utc": "1903-08-21T23:30:04Z", "ms": -2094251395745.3904 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-08-21", "window": { "start": { "local": "1903-08-21T19:33:11+08:00", "utc": "1903-08-21T11:33:11Z", "ms": -2094294409335.0374 }, "end": { "local": "1903-08-21T20:58:26+08:00", "utc": "1903-08-21T12:58:26Z", "ms": -2094289294477.559 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1903-08-22", "window": { "start": { "local": "1903-08-22T19:31:55+08:00", "utc": "1903-08-22T11:31:55Z", "ms": -2094208084734.4807 }, "end": { "local": "1903-08-22T20:57:26+08:00", "utc": "1903-08-22T12:57:26Z", "ms": -2094202953575.136 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug.", "fact": "1903-08-21T03:12:06Z → 1903-08-21T23:30:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:58 on the 21st, 19:32–20:57 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 21st and 0 of 86 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30065 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1903: Friday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Aghora Caturdaśī 1903 falls on Friday 21 August. Caturdaśī runs from 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shivaratri?on=1903-08-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22393, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 }, "end": { "local": "1903-08-22T07:30:04+08:00", "utc": "1903-08-21T23:30:04Z", "ms": -2094251395745.3904 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-21T11:12:06+08:00", "utc": "1903-08-21T03:12:06Z", "ms": -2094324474470.3896 }, "end": { "local": "1903-08-22T07:30:04+08:00", "utc": "1903-08-21T23:30:04Z", "ms": -2094251395745.3904 } }, "kaala": "nishita", "days": [ { "local_date": "1903-08-20", "window": { "start": { "local": "1903-08-21T00:29:05+08:00", "utc": "1903-08-20T16:29:05Z", "ms": -2094363054820.177 }, "end": { "local": "1903-08-21T01:17:05+08:00", "utc": "1903-08-20T17:17:05Z", "ms": -2094360174820.177 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-21", "window": { "start": { "local": "1903-08-22T00:28:51+08:00", "utc": "1903-08-21T16:28:51Z", "ms": -2094276668619.4941 }, "end": { "local": "1903-08-22T01:16:51+08:00", "utc": "1903-08-21T17:16:51Z", "ms": -2094273788619.4941 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug.", "fact": "1903-08-21T03:12:06Z → 1903-08-21T23:30:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 20th, 00:29–01:17 on the 21st.", "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 20th and 48 of 48 on the 21st.", "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 22393 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Friday 21 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": "1903-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Friday 21 August. Caturdaśī runs from 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-08-21", "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/1903/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31026, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-08-23T03:50:53+08:00", "utc": "1903-08-22T19:50:53Z", "ms": -2094178146540.9612 }, "end": { "local": "1903-08-24T00:24:56+08:00", "utc": "1903-08-23T16:24:56Z", "ms": -2094104104489.63 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-23T03:50:53+08:00", "utc": "1903-08-22T19:50:53Z", "ms": -2094178146540.9612 }, "end": { "local": "1903-08-24T00:24:56+08:00", "utc": "1903-08-23T16:24:56Z", "ms": -2094104104489.63 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-23", "window": { "start": { "local": "1903-08-23T12:27:59+08:00", "utc": "1903-08-23T04:27:59Z", "ms": -2094147121005.0928 }, "end": { "local": "1903-08-23T13:15:59+08:00", "utc": "1903-08-23T05:15:59Z", "ms": -2094144241005.0928 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-08-24", "window": { "start": { "local": "1903-08-24T12:27:44+08:00", "utc": "1903-08-24T04:27:44Z", "ms": -2094060736139.9343 }, "end": { "local": "1903-08-24T13:15:44+08:00", "utc": "1903-08-24T05:15:44Z", "ms": -2094057856139.9343 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:51 on Sun 23 Aug to 00:25 on Mon 24 Aug.", "fact": "1903-08-22T19:50:53Z → 1903-08-23T16:24:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 23rd, 12:28–13:16 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31026 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1903: Sunday 23 August.", "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": "1903-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1903 falls on Sunday 23 August. Pratipadā runs from 03:51 on Sun 23 Aug to 00:25 on Mon 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20162, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1903-08-24T21:22:07+08:00", "utc": "1903-08-24T13:22:07Z", "ms": -2094028672571.3853 }, "end": { "local": "1903-08-25T18:51:31+08:00", "utc": "1903-08-25T10:51:31Z", "ms": -2093951309223.688 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-24T21:22:07+08:00", "utc": "1903-08-24T13:22:07Z", "ms": -2094028672571.3853 }, "end": { "local": "1903-08-25T18:51:31+08:00", "utc": "1903-08-25T10:51:31Z", "ms": -2093951309223.688 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-24", "window": { "start": { "local": "1903-08-24T12:27:44+08:00", "utc": "1903-08-24T04:27:44Z", "ms": -2094060736139.9343 }, "end": { "local": "1903-08-24T13:15:44+08:00", "utc": "1903-08-24T05:15:44Z", "ms": -2094057856139.9343 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-25", "window": { "start": { "local": "1903-08-25T12:27:28+08:00", "utc": "1903-08-25T04:27:28Z", "ms": -2093974351715.5962 }, "end": { "local": "1903-08-25T13:15:28+08:00", "utc": "1903-08-25T05:15:28Z", "ms": -2093971471715.5962 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:22 on Mon 24 Aug to 18:52 on Tue 25 Aug.", "fact": "1903-08-24T13:22:07Z → 1903-08-25T10:51:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 24th, 12:27–13:15 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20162 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1903: Tuesday 25 August.", "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": "1903-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1903 falls on Tuesday 25 August. Tṛtīyā runs from 21:22 on Mon 24 Aug to 18:52 on Tue 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13524, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-08-25T18:51:31+08:00", "utc": "1903-08-25T10:51:31Z", "ms": -2093951309223.688 }, "end": { "local": "1903-08-26T17:00:36+08:00", "utc": "1903-08-26T09:00:36Z", "ms": -2093871564077.3354 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-25T18:51:31+08:00", "utc": "1903-08-25T10:51:31Z", "ms": -2093951309223.688 }, "end": { "local": "1903-08-26T17:00:36+08:00", "utc": "1903-08-26T09:00:36Z", "ms": -2093871564077.3354 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-25", "window": { "start": { "local": "1903-08-25T12:27:28+08:00", "utc": "1903-08-25T04:27:28Z", "ms": -2093974351715.5962 }, "end": { "local": "1903-08-25T13:15:28+08:00", "utc": "1903-08-25T05:15:28Z", "ms": -2093971471715.5962 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-26", "window": { "start": { "local": "1903-08-26T12:27:12+08:00", "utc": "1903-08-26T04:27:12Z", "ms": -2093887967722.6108 }, "end": { "local": "1903-08-26T13:15:12+08:00", "utc": "1903-08-26T05:15:12Z", "ms": -2093885087722.6108 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:52 on Tue 25 Aug to 17:01 on Wed 26 Aug.", "fact": "1903-08-25T10:51:31Z → 1903-08-26T09:00:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 25th, 12:27–13:15 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13524 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1903: Wednesday 26 August.", "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": "1903-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1903 falls on Wednesday 26 August. Caturthī runs from 18:52 on Tue 25 Aug to 17:01 on Wed 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9585, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-08-26T17:00:36+08:00", "utc": "1903-08-26T09:00:36Z", "ms": -2093871564077.3354 }, "end": { "local": "1903-08-27T15:54:41+08:00", "utc": "1903-08-27T07:54:41Z", "ms": -2093789118828.0012 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-26T17:00:36+08:00", "utc": "1903-08-26T09:00:36Z", "ms": -2093871564077.3354 }, "end": { "local": "1903-08-27T15:54:41+08:00", "utc": "1903-08-27T07:54:41Z", "ms": -2093789118828.0012 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-26", "window": { "start": { "local": "1903-08-26T12:27:12+08:00", "utc": "1903-08-26T04:27:12Z", "ms": -2093887967722.6108 }, "end": { "local": "1903-08-26T13:15:12+08:00", "utc": "1903-08-26T05:15:12Z", "ms": -2093885087722.6108 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-27", "window": { "start": { "local": "1903-08-27T12:26:56+08:00", "utc": "1903-08-27T04:26:56Z", "ms": -2093801584150.0176 }, "end": { "local": "1903-08-27T13:14:56+08:00", "utc": "1903-08-27T05:14:56Z", "ms": -2093798704150.0176 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:01 on Wed 26 Aug to 15:55 on Thu 27 Aug.", "fact": "1903-08-26T09:00:36Z → 1903-08-27T07:54:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 26th, 12:27–13:15 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 9585 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1903: Thursday 27 August.", "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": "1903-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1903 falls on Thursday 27 August. Pañcamī runs from 17:01 on Wed 26 Aug to 15:55 on Thu 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8493, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-08-27T15:54:41+08:00", "utc": "1903-08-27T07:54:41Z", "ms": -2093789118828.0012 }, "end": { "local": "1903-08-28T15:36:12+08:00", "utc": "1903-08-28T07:36:12Z", "ms": -2093703828361.7542 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-27T15:54:41+08:00", "utc": "1903-08-27T07:54:41Z", "ms": -2093789118828.0012 }, "end": { "local": "1903-08-28T15:36:12+08:00", "utc": "1903-08-28T07:36:12Z", "ms": -2093703828361.7542 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-27", "window": { "start": { "local": "1903-08-27T12:26:56+08:00", "utc": "1903-08-27T04:26:56Z", "ms": -2093801584150.0176 }, "end": { "local": "1903-08-27T13:14:56+08:00", "utc": "1903-08-27T05:14:56Z", "ms": -2093798704150.0176 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-28", "window": { "start": { "local": "1903-08-28T12:26:39+08:00", "utc": "1903-08-28T04:26:39Z", "ms": -2093715200985.3933 }, "end": { "local": "1903-08-28T13:14:39+08:00", "utc": "1903-08-28T05:14:39Z", "ms": -2093712320985.3933 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:55 on Thu 27 Aug to 15:36 on Fri 28 Aug.", "fact": "1903-08-27T07:54:41Z → 1903-08-28T07:36:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 27th, 12:27–13:15 on the 28th.", "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 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8493 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1903: Friday 28 August.", "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": "1903-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-28", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1903 falls on Friday 28 August. Ṣaṣṭhī runs from 15:55 on Thu 27 Aug to 15:36 on Fri 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8493, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-08-28T15:36:12+08:00", "utc": "1903-08-28T07:36:12Z", "ms": -2093703828361.7542 }, "end": { "local": "1903-08-29T16:04:08+08:00", "utc": "1903-08-29T08:04:08Z", "ms": -2093615752122.4612 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-28T15:36:12+08:00", "utc": "1903-08-28T07:36:12Z", "ms": -2093703828361.7542 }, "end": { "local": "1903-08-29T16:04:08+08:00", "utc": "1903-08-29T08:04:08Z", "ms": -2093615752122.4612 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-28", "window": { "start": { "local": "1903-08-28T12:26:39+08:00", "utc": "1903-08-28T04:26:39Z", "ms": -2093715200985.3933 }, "end": { "local": "1903-08-28T13:14:39+08:00", "utc": "1903-08-28T05:14:39Z", "ms": -2093712320985.3933 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-29", "window": { "start": { "local": "1903-08-29T12:26:22+08:00", "utc": "1903-08-29T04:26:22Z", "ms": -2093628818214.9749 }, "end": { "local": "1903-08-29T13:14:22+08:00", "utc": "1903-08-29T05:14:22Z", "ms": -2093625938214.9749 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:36 on Fri 28 Aug to 16:04 on Sat 29 Aug.", "fact": "1903-08-28T07:36:12Z → 1903-08-29T08:04:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 28th, 12:26–13:14 on the 29th.", "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 28th and 48 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: purvaviddha → only-day · margin 8493 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1903: Saturday 29 August.", "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": "1903-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-29", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1903 falls on Saturday 29 August. Saptamī runs from 15:36 on Fri 28 Aug to 16:04 on Sat 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10186, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-08-29T16:04:08+08:00", "utc": "1903-08-29T08:04:08Z", "ms": -2093615752122.4612 }, "end": { "local": "1903-08-30T17:13:57+08:00", "utc": "1903-08-30T09:13:57Z", "ms": -2093525162510.4065 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-08-29T16:04:08+08:00", "utc": "1903-08-29T08:04:08Z", "ms": -2093615752122.4612 }, "end": { "local": "1903-08-30T17:13:57+08:00", "utc": "1903-08-30T09:13:57Z", "ms": -2093525162510.4065 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-08-29", "window": { "start": { "local": "1903-08-29T12:26:22+08:00", "utc": "1903-08-29T04:26:22Z", "ms": -2093628818214.9749 }, "end": { "local": "1903-08-29T13:14:22+08:00", "utc": "1903-08-29T05:14:22Z", "ms": -2093625938214.9749 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-08-30", "window": { "start": { "local": "1903-08-30T12:26:04+08:00", "utc": "1903-08-30T04:26:04Z", "ms": -2093542435823.826 }, "end": { "local": "1903-08-30T13:14:04+08:00", "utc": "1903-08-30T05:14:04Z", "ms": -2093539555823.826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:04 on Sat 29 Aug to 17:14 on Sun 30 Aug.", "fact": "1903-08-29T08:04:08Z → 1903-08-30T09:13:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 29th, 12:26–13:14 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10186 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1903: Sunday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-08-30", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1903 falls on Sunday 30 August. Aṣṭamī runs from 16:04 on Sat 29 Aug to 17:14 on Sun 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-09-02", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24780, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-09-01T21:06:29+08:00", "utc": "1903-09-01T13:06:29Z", "ms": -2093338411274.653 }, "end": { "local": "1903-09-02T23:28:48+08:00", "utc": "1903-09-02T15:28:48Z", "ms": -2093243472427.3208 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-09-01T21:06:29+08:00", "utc": "1903-09-01T13:06:29Z", "ms": -2093338411274.653 }, "end": { "local": "1903-09-02T23:28:48+08:00", "utc": "1903-09-02T15:28:48Z", "ms": -2093243472427.3208 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-09-02", "window": { "start": { "local": "1903-09-02T06:21:02+08:00", "utc": "1903-09-01T22:21:02Z", "ms": -2093305137780.945 }, "end": { "local": "1903-09-02T06:21:02+08:00", "utc": "1903-09-01T22:21:02Z", "ms": -2093305137780.945 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-09-03", "window": { "start": { "local": "1903-09-03T06:21:48+08:00", "utc": "1903-09-02T22:21:48Z", "ms": -2093218691995.4958 }, "end": { "local": "1903-09-03T06:21:48+08:00", "utc": "1903-09-02T22:21:48Z", "ms": -2093218691995.4958 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:06 on Tue 1 Sep to 23:29 on Wed 2 Sep.", "fact": "1903-09-01T13:06:29Z → 1903-09-02T15:28:48Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 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 24780 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1903: Wednesday 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": "1903-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1903 falls on Wednesday 2 September. Ekādaśī runs from 21:06 on Tue 1 Sep to 23:29 on Wed 2 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-09-02", "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/1903/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36938, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-09-02T23:28:48+08:00", "utc": "1903-09-02T15:28:48Z", "ms": -2093243472427.3208 }, "end": { "local": "1903-09-04T01:54:55+08:00", "utc": "1903-09-03T17:54:55Z", "ms": -2093148305242.2185 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-09-02T23:28:48+08:00", "utc": "1903-09-02T15:28:48Z", "ms": -2093243472427.3208 }, "end": { "local": "1903-09-04T01:54:55+08:00", "utc": "1903-09-03T17:54:55Z", "ms": -2093148305242.2185 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-09-02", "window": { "start": { "local": "1903-09-02T12:25:09+08:00", "utc": "1903-09-02T04:25:09Z", "ms": -2093283290762.1235 }, "end": { "local": "1903-09-02T13:13:09+08:00", "utc": "1903-09-02T05:13:09Z", "ms": -2093280410762.1235 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-09-03", "window": { "start": { "local": "1903-09-03T12:24:50+08:00", "utc": "1903-09-03T04:24:50Z", "ms": -2093196909720.1445 }, "end": { "local": "1903-09-03T13:12:50+08:00", "utc": "1903-09-03T05:12:50Z", "ms": -2093194029720.1445 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:29 on Wed 2 Sep to 01:55 on Fri 4 Sep.", "fact": "1903-09-02T15:28:48Z → 1903-09-03T17:54:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 2nd, 12:25–13:13 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36938 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1903: Thursday 3 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": "1903-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-03", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1903 falls on Thursday 3 September. Dvādaśī runs from 23:29 on Wed 2 Sep to 01:55 on Fri 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-09-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18609, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-09-04T01:54:55+08:00", "utc": "1903-09-03T17:54:55Z", "ms": -2093148305242.2185 }, "end": { "local": "1903-09-05T04:16:17+08:00", "utc": "1903-09-04T20:16:17Z", "ms": -2093053422798.568 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-09-04T01:54:55+08:00", "utc": "1903-09-03T17:54:55Z", "ms": -2093148305242.2185 }, "end": { "local": "1903-09-05T04:16:17+08:00", "utc": "1903-09-04T20:16:17Z", "ms": -2093053422798.568 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-09-03", "window": { "start": { "local": "1903-09-03T19:15:53+08:00", "utc": "1903-09-03T11:15:53Z", "ms": -2093172247444.7932 }, "end": { "local": "1903-09-03T20:44:46+08:00", "utc": "1903-09-03T12:44:46Z", "ms": -2093166913957.3823 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1903-09-04", "window": { "start": { "local": "1903-09-04T19:14:28+08:00", "utc": "1903-09-04T11:14:28Z", "ms": -2093085931650.1978 }, "end": { "local": "1903-09-04T20:43:39+08:00", "utc": "1903-09-04T12:43:39Z", "ms": -2093080580850.6235 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:55 on Fri 4 Sep to 04:16 on Sat 5 Sep.", "fact": "1903-09-03T17:54:55Z → 1903-09-04T20:16:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:45 on the 3rd, 19:14–20:44 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 3rd and 89 of 89 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 18609 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Friday 4 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": "1903-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-04", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Friday 4 September. Trayodaśī runs from 01:55 on Fri 4 Sep to 04:16 on Sat 5 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-09-04", "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/1903/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-05", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 129, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-09-05T04:16:17+08:00", "utc": "1903-09-04T20:16:17Z", "ms": -2093053422798.568 }, "end": { "local": "1903-09-06T06:26:14+08:00", "utc": "1903-09-05T22:26:14Z", "ms": -2092959225955.3635 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1903-09-05T04:16:17+08:00", "utc": "1903-09-04T20:16:17Z", "ms": -2093053422798.568 }, "end": { "local": "1903-09-06T06:26:14+08:00", "utc": "1903-09-05T22:26:14Z", "ms": -2092959225955.3635 } }, "kaala": "udaya-3", "days": [ { "local_date": "1903-09-05", "window": { "start": { "local": "1903-09-05T06:23:19+08:00", "utc": "1903-09-04T22:23:19Z", "ms": -2093045800653.3914 }, "end": { "local": "1903-09-05T08:57:16+08:00", "utc": "1903-09-05T00:57:16Z", "ms": -2093036563788.5085 } }, "covered_min": 154, "window_min": 154, "qualifies": true }, { "local_date": "1903-09-06", "window": { "start": { "local": "1903-09-06T06:24:05+08:00", "utc": "1903-09-05T22:24:05Z", "ms": -2092959355078.3066 }, "end": { "local": "1903-09-06T08:57:36+08:00", "utc": "1903-09-06T00:57:36Z", "ms": -2092950144352.7314 } }, "covered_min": 2, "window_min": 154, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:16 on Sat 5 Sep to 06:26 on Sun 6 Sep.", "fact": "1903-09-04T20:16:17Z → 1903-09-05T22:26:14Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:57 on the 5th, 06:24–08:58 on the 6th.", "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 154 of 154 minutes on the 5th and 2 of 154 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 129 s < 300 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1903: Saturday 5 September.", "fact": "confidence: boundary (margin)" } ], "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": "1903-09-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-05", "confidence": "boundary" } ], "quote": "In Qingyang, Ananta Caturdaśī 1903 falls on Saturday 5 September. Caturdaśī runs from 04:16 on Sat 5 Sep to 06:26 on Sun 6 Sep and covers all of the first three muhūrtas after sunrise that morning. It is 2 min 09 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-09-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32765, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-09-10T11:49:47+08:00", "utc": "1903-09-10T03:49:47Z", "ms": -2092594213109.2617 }, "end": { "local": "1903-09-11T12:07:53+08:00", "utc": "1903-09-11T04:07:53Z", "ms": -2092506726687.4626 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-10T11:49:47+08:00", "utc": "1903-09-10T03:49:47Z", "ms": -2092594213109.2617 }, "end": { "local": "1903-09-11T12:07:53+08:00", "utc": "1903-09-11T04:07:53Z", "ms": -2092506726687.4626 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-09-10", "window": { "start": { "local": "1903-09-10T20:55:52+08:00", "utc": "1903-09-10T12:55:52Z", "ms": -2092561447678.3777 }, "end": { "local": "1903-09-10T20:55:52+08:00", "utc": "1903-09-10T12:55:52Z", "ms": -2092561447678.3777 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-09-11", "window": { "start": { "local": "1903-09-11T21:33:51+08:00", "utc": "1903-09-11T13:33:51Z", "ms": -2092472768686.8464 }, "end": { "local": "1903-09-11T21:33:51+08:00", "utc": "1903-09-11T13:33:51Z", "ms": -2092472768686.8464 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:50 on Thu 10 Sep to 12:08 on Fri 11 Sep.", "fact": "1903-09-10T03:49:47Z → 1903-09-11T04:07:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 10th and 21:34 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "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 32765 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Thursday 10 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": "1903-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Thursday 10 September. Caturthī runs from 11:50 on Thu 10 Sep to 12:08 on Fri 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-09-10", "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/1903/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37143, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-09-12T11:56:38+08:00", "utc": "1903-09-12T03:56:38Z", "ms": -2092421002342.9324 }, "end": { "local": "1903-09-13T11:14:40+08:00", "utc": "1903-09-13T03:14:40Z", "ms": -2092337120409.0437 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-12T11:56:38+08:00", "utc": "1903-09-12T03:56:38Z", "ms": -2092421002342.9324 }, "end": { "local": "1903-09-13T11:14:40+08:00", "utc": "1903-09-13T03:14:40Z", "ms": -2092337120409.0437 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-09-12", "window": { "start": { "local": "1903-09-12T22:15:41+08:00", "utc": "1903-09-12T14:15:41Z", "ms": -2092383859380.8281 }, "end": { "local": "1903-09-12T22:15:41+08:00", "utc": "1903-09-12T14:15:41Z", "ms": -2092383859380.8281 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-09-13", "window": { "start": { "local": "1903-09-13T23:02:19+08:00", "utc": "1903-09-13T15:02:19Z", "ms": -2092294660784.6865 }, "end": { "local": "1903-09-13T23:02:19+08:00", "utc": "1903-09-13T15:02:19Z", "ms": -2092294660784.6865 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:57 on Sat 12 Sep to 11:15 on Sun 13 Sep.", "fact": "1903-09-12T03:56:38Z → 1903-09-13T03:14:40Z" }, { "step": "kaala", "text": "Moonrise is at 22:16 on the 12th and 23:02 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 12th and is not on the 13th.", "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 37143 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1903: Saturday 12 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": "1903-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-12", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1903 falls on Saturday 12 September. Ṣaṣṭhī runs from 11:57 on Sat 12 Sep to 11:15 on Sun 13 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32309, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-09-14T10:01:36+08:00", "utc": "1903-09-14T02:01:36Z", "ms": -2092255104019.9968 }, "end": { "local": "1903-09-15T08:18:22+08:00", "utc": "1903-09-15T00:18:22Z", "ms": -2092174898351.8396 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-14T10:01:36+08:00", "utc": "1903-09-14T02:01:36Z", "ms": -2092255104019.9968 }, "end": { "local": "1903-09-15T08:18:22+08:00", "utc": "1903-09-15T00:18:22Z", "ms": -2092174898351.8396 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-09-14", "window": { "start": { "local": "1903-09-14T19:00:05+08:00", "utc": "1903-09-14T11:00:05Z", "ms": -2092222794649.9954 }, "end": { "local": "1903-09-14T20:32:12+08:00", "utc": "1903-09-14T12:32:12Z", "ms": -2092217268119.6443 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1903-09-15", "window": { "start": { "local": "1903-09-15T18:58:38+08:00", "utc": "1903-09-15T10:58:38Z", "ms": -2092136482367.7144 }, "end": { "local": "1903-09-15T20:31:02+08:00", "utc": "1903-09-15T12:31:02Z", "ms": -2092130938057.1047 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:02 on Mon 14 Sep to 08:18 on Tue 15 Sep.", "fact": "1903-09-14T02:01:36Z → 1903-09-15T00:18:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:32 on the 14th, 18:59–20:31 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 92 of 92 minutes on the 14th and 0 of 92 on the 15th.", "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 32309 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1903: Monday 14 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": "1903-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1903 falls on Monday 14 September. Aṣṭamī runs from 10:02 on Mon 14 Sep to 08:18 on Tue 15 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30234, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-09-14T10:01:36+08:00", "utc": "1903-09-14T02:01:36Z", "ms": -2092255104019.9968 }, "end": { "local": "1903-09-15T08:18:22+08:00", "utc": "1903-09-15T00:18:22Z", "ms": -2092174898351.8396 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-14T10:01:36+08:00", "utc": "1903-09-14T02:01:36Z", "ms": -2092255104019.9968 }, "end": { "local": "1903-09-15T08:18:22+08:00", "utc": "1903-09-15T00:18:22Z", "ms": -2092174898351.8396 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-09-13", "window": { "start": { "local": "1903-09-13T23:02:19+08:00", "utc": "1903-09-13T15:02:19Z", "ms": -2092294660784.6865 }, "end": { "local": "1903-09-13T23:02:19+08:00", "utc": "1903-09-13T15:02:19Z", "ms": -2092294660784.6865 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-09-14", "window": { "start": { "local": "1903-09-14T23:54:28+08:00", "utc": "1903-09-14T15:54:28Z", "ms": -2092205131919.1926 }, "end": { "local": "1903-09-14T23:54:28+08:00", "utc": "1903-09-14T15:54:28Z", "ms": -2092205131919.1926 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:02 on Mon 14 Sep to 08:18 on Tue 15 Sep.", "fact": "1903-09-14T02:01:36Z → 1903-09-15T00:18:22Z" }, { "step": "kaala", "text": "Moonrise is at 23:02 on the 13th and 23:54 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 13th and is on the 14th.", "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 30234 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1903: Monday 14 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": "1903-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1903 falls on Monday 14 September. Aṣṭamī runs from 10:02 on Mon 14 Sep to 08:18 on Tue 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-09-17", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10787, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-09-17T03:32:38+08:00", "utc": "1903-09-16T19:32:38Z", "ms": -2092019241749.2178 }, "end": { "local": "1903-09-18T00:39:36+08:00", "utc": "1903-09-17T16:39:36Z", "ms": -2091943223915.621 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-17T03:32:38+08:00", "utc": "1903-09-16T19:32:38Z", "ms": -2092019241749.2178 }, "end": { "local": "1903-09-18T00:39:36+08:00", "utc": "1903-09-17T16:39:36Z", "ms": -2091943223915.621 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-09-17", "window": { "start": { "local": "1903-09-17T06:32:26+08:00", "utc": "1903-09-16T22:32:26Z", "ms": -2092008454333.8623 }, "end": { "local": "1903-09-17T06:32:26+08:00", "utc": "1903-09-16T22:32:26Z", "ms": -2092008454333.8623 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-09-18", "window": { "start": { "local": "1903-09-18T06:33:11+08:00", "utc": "1903-09-17T22:33:11Z", "ms": -2091922008549.9927 }, "end": { "local": "1903-09-18T06:33:11+08:00", "utc": "1903-09-17T22:33:11Z", "ms": -2091922008549.9927 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:33 on Thu 17 Sep to 00:40 on Fri 18 Sep.", "fact": "1903-09-16T19:32:38Z → 1903-09-17T16:39:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 17th and 06:33 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 10787 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1903: Thursday 17 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": "1903-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-17", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1903 falls on Thursday 17 September. Ekādaśī runs from 03:33 on Thu 17 Sep to 00:40 on Fri 18 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-09-17", "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/1903/pradosha-vrata?on=1903-09-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-18", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1586, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-09-18T21:34:57+08:00", "utc": "1903-09-18T13:34:57Z", "ms": -2091867902864.927 }, "end": { "local": "1903-09-19T18:26:20+08:00", "utc": "1903-09-19T10:26:20Z", "ms": -2091792820216.402 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-18T21:34:57+08:00", "utc": "1903-09-18T13:34:57Z", "ms": -2091867902864.927 }, "end": { "local": "1903-09-19T18:26:20+08:00", "utc": "1903-09-19T10:26:20Z", "ms": -2091792820216.402 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-09-18", "window": { "start": { "local": "1903-09-18T18:54:14+08:00", "utc": "1903-09-18T10:54:14Z", "ms": -2091877546233.9502 }, "end": { "local": "1903-09-18T20:27:32+08:00", "utc": "1903-09-18T12:27:32Z", "ms": -2091871948426.7007 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1903-09-19", "window": { "start": { "local": "1903-09-19T18:52:46+08:00", "utc": "1903-09-19T10:52:46Z", "ms": -2091791234336.8691 }, "end": { "local": "1903-09-19T20:26:21+08:00", "utc": "1903-09-19T12:26:21Z", "ms": -2091785618654.0864 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:35 on Fri 18 Sep to 18:26 on Sat 19 Sep.", "fact": "1903-09-18T13:34:57Z → 1903-09-19T10:26:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:28 on the 18th, 18:53–20:26 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 93 minutes on the 18th and 0 of 94 on the 19th.", "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 1586 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Friday 18 September.", "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": "1903-09-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-18", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Friday 18 September. Trayodaśī runs from 21:35 on Fri 18 Sep to 18:26 on Sat 19 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-09-18", "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/1903/shivaratri?on=1903-09-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21205, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-09-19T18:26:20+08:00", "utc": "1903-09-19T10:26:20Z", "ms": -2091792820216.402 }, "end": { "local": "1903-09-20T15:22:01+08:00", "utc": "1903-09-20T07:22:01Z", "ms": -2091717478742.223 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-19T18:26:20+08:00", "utc": "1903-09-19T10:26:20Z", "ms": -2091792820216.402 }, "end": { "local": "1903-09-20T15:22:01+08:00", "utc": "1903-09-20T07:22:01Z", "ms": -2091717478742.223 } }, "kaala": "nishita", "days": [ { "local_date": "1903-09-19", "window": { "start": { "local": "1903-09-20T00:19:44+08:00", "utc": "1903-09-19T16:19:44Z", "ms": -2091771615526.434 }, "end": { "local": "1903-09-20T01:07:44+08:00", "utc": "1903-09-19T17:07:44Z", "ms": -2091768735526.434 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-09-20", "window": { "start": { "local": "1903-09-21T00:19:23+08:00", "utc": "1903-09-20T16:19:23Z", "ms": -2091685236561.905 }, "end": { "local": "1903-09-21T01:07:23+08:00", "utc": "1903-09-20T17:07:23Z", "ms": -2091682356561.905 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:26 on Sat 19 Sep to 15:22 on Sun 20 Sep.", "fact": "1903-09-19T10:26:20Z → 1903-09-20T07:22:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:20–01:08 on the 19th, 00:19–01:07 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21205 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Saturday 19 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": "1903-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Saturday 19 September. Caturdaśī runs from 18:26 on Sat 19 Sep to 15:22 on Sun 20 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-09-19", "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/1903/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3717, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1903-09-20T15:22:01+08:00", "utc": "1903-09-20T07:22:01Z", "ms": -2091717478742.223 }, "end": { "local": "1903-09-21T12:30:38+08:00", "utc": "1903-09-21T04:30:38Z", "ms": -2091641361878.4697 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-20T15:22:01+08:00", "utc": "1903-09-20T07:22:01Z", "ms": -2091717478742.223 }, "end": { "local": "1903-09-21T12:30:38+08:00", "utc": "1903-09-21T04:30:38Z", "ms": -2091641361878.4697 } }, "kaala": "aparahna", "days": [ { "local_date": "1903-09-20", "window": { "start": { "local": "1903-09-20T13:56:40+08:00", "utc": "1903-09-20T05:56:40Z", "ms": -2091722600168.8213 }, "end": { "local": "1903-09-20T16:23:59+08:00", "utc": "1903-09-20T08:23:59Z", "ms": -2091713761319.762 } }, "covered_min": 62, "window_min": 147, "qualifies": true }, { "local_date": "1903-09-21", "window": { "start": { "local": "1903-09-21T13:56:05+08:00", "utc": "1903-09-21T05:56:05Z", "ms": -2091636234627.7517 }, "end": { "local": "1903-09-21T16:22:57+08:00", "utc": "1903-09-21T08:22:57Z", "ms": -2091627422619.3 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:22 on Sun 20 Sep to 12:31 on Mon 21 Sep.", "fact": "1903-09-20T07:22:01Z → 1903-09-21T04:30:38Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:57–16:24 on the 20th, 13:56–16:23 on the 21st.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 62 of 147 minutes on the 20th and 0 of 147 on the 21st.", "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 3717 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1903: Sunday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-20", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1903 falls on Sunday 20 September. Amāvasyā runs from 15:22 on Sun 20 Sep to 12:31 on Mon 21 Sep and covers 62 of 147 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 719, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-09-21T12:30:38+08:00", "utc": "1903-09-21T04:30:38Z", "ms": -2091641361878.4697 }, "end": { "local": "1903-09-22T10:00:44+08:00", "utc": "1903-09-22T02:00:44Z", "ms": -2091563955554.002 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-21T12:30:38+08:00", "utc": "1903-09-21T04:30:38Z", "ms": -2091641361878.4697 }, "end": { "local": "1903-09-22T10:00:44+08:00", "utc": "1903-09-22T02:00:44Z", "ms": -2091563955554.002 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-09-21", "window": { "start": { "local": "1903-09-21T12:18:39+08:00", "utc": "1903-09-21T04:18:39Z", "ms": -2091642080631.9775 }, "end": { "local": "1903-09-21T13:06:39+08:00", "utc": "1903-09-21T05:06:39Z", "ms": -2091639200631.9775 } }, "covered_min": 36, "window_min": 48, "qualifies": true }, { "local_date": "1903-09-22", "window": { "start": { "local": "1903-09-22T12:18:18+08:00", "utc": "1903-09-22T04:18:18Z", "ms": -2091555701608.814 }, "end": { "local": "1903-09-22T13:06:18+08:00", "utc": "1903-09-22T05:06:18Z", "ms": -2091552821608.814 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:31 on Mon 21 Sep to 10:01 on Tue 22 Sep.", "fact": "1903-09-21T04:30:38Z → 1903-09-22T02:00:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 21st, 12:18–13:06 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 36 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 719 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1903: Monday 21 September.", "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": "1903-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-21", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1903 falls on Monday 21 September. Pratipadā runs from 12:31 on Mon 21 Sep to 10:01 on Tue 22 Sep and covers 36 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-09-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20453, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-09-24T06:36:44+08:00", "utc": "1903-09-23T22:36:44Z", "ms": -2091403396207.9648 }, "end": { "local": "1903-09-25T05:54:58+08:00", "utc": "1903-09-24T21:54:58Z", "ms": -2091319501515.1064 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-24T06:36:44+08:00", "utc": "1903-09-23T22:36:44Z", "ms": -2091403396207.9648 }, "end": { "local": "1903-09-25T05:54:58+08:00", "utc": "1903-09-24T21:54:58Z", "ms": -2091319501515.1064 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-09-24", "window": { "start": { "local": "1903-09-24T12:17:37+08:00", "utc": "1903-09-24T04:17:37Z", "ms": -2091382943313.931 }, "end": { "local": "1903-09-24T13:05:37+08:00", "utc": "1903-09-24T05:05:37Z", "ms": -2091380063313.931 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-09-25", "window": { "start": { "local": "1903-09-25T12:17:16+08:00", "utc": "1903-09-25T04:17:16Z", "ms": -2091296564008.7751 }, "end": { "local": "1903-09-25T13:05:16+08:00", "utc": "1903-09-25T05:05:16Z", "ms": -2091293684008.7751 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:37 on Thu 24 Sep to 05:55 on Fri 25 Sep.", "fact": "1903-09-23T22:36:44Z → 1903-09-24T21:54:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 24th, 12:17–13:05 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20453 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Thursday 24 September.", "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": "1903-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-24", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Thursday 24 September. Caturthī runs from 06:37 on Thu 24 Sep to 05:55 on Fri 25 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-09-24", "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/1903/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 300, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-09-27T06:45:08+08:00", "utc": "1903-09-26T22:45:08Z", "ms": -2091143691528.1736 }, "end": { "local": "1903-09-28T08:12:16+08:00", "utc": "1903-09-28T00:12:16Z", "ms": -2091052064150.6162 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-27T06:45:08+08:00", "utc": "1903-09-26T22:45:08Z", "ms": -2091143691528.1736 }, "end": { "local": "1903-09-28T08:12:16+08:00", "utc": "1903-09-28T00:12:16Z", "ms": -2091052064150.6162 } }, "kaala": "udaya-1", "days": [ { "local_date": "1903-09-27", "window": { "start": { "local": "1903-09-27T06:40:08+08:00", "utc": "1903-09-26T22:40:08Z", "ms": -2091143991815.7869 }, "end": { "local": "1903-09-27T07:28:12+08:00", "utc": "1903-09-26T23:28:12Z", "ms": -2091141108239.409 } }, "covered_min": 43, "window_min": 48, "qualifies": false }, { "local_date": "1903-09-28", "window": { "start": { "local": "1903-09-28T06:40:55+08:00", "utc": "1903-09-27T22:40:55Z", "ms": -2091057544855.6138 }, "end": { "local": "1903-09-28T07:28:50+08:00", "utc": "1903-09-27T23:28:50Z", "ms": -2091054670240.7075 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:45 on Sun 27 Sep to 08:12 on Mon 28 Sep.", "fact": "1903-09-26T22:45:08Z → 1903-09-28T00:12:16Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:40–07:28 on the 27th, 06:41–07:29 on the 28th.", "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 43 of 48 minutes on the 27th and 48 of 48 on the 28th.", "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 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1903: Monday 28 September.", "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": "1903-09-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1903 falls on Monday 28 September. Saptamī runs from 06:45 on Sun 27 Sep to 08:12 on Mon 28 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7479, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-09-28T08:12:16+08:00", "utc": "1903-09-28T00:12:16Z", "ms": -2091052064150.6162 }, "end": { "local": "1903-09-29T10:11:16+08:00", "utc": "1903-09-29T02:11:16Z", "ms": -2090958524429.1836 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-28T08:12:16+08:00", "utc": "1903-09-28T00:12:16Z", "ms": -2091052064150.6162 }, "end": { "local": "1903-09-29T10:11:16+08:00", "utc": "1903-09-29T02:11:16Z", "ms": -2090958524429.1836 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-09-28", "window": { "start": { "local": "1903-09-28T12:16:15+08:00", "utc": "1903-09-28T04:16:15Z", "ms": -2091037425243.8164 }, "end": { "local": "1903-09-28T13:04:15+08:00", "utc": "1903-09-28T05:04:15Z", "ms": -2091034545243.8164 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-09-29", "window": { "start": { "local": "1903-09-29T12:15:55+08:00", "utc": "1903-09-29T04:15:55Z", "ms": -2090951045307.099 }, "end": { "local": "1903-09-29T13:03:55+08:00", "utc": "1903-09-29T05:03:55Z", "ms": -2090948165307.099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:12 on Mon 28 Sep to 10:11 on Tue 29 Sep.", "fact": "1903-09-28T00:12:16Z → 1903-09-29T02:11:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 28th, 12:16–13:04 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 7479 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1903: Monday 28 September.", "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": "1903-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1903 falls on Monday 28 September. Aṣṭamī runs from 08:12 on Mon 28 Sep to 10:11 on Tue 29 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 930, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1903-09-29T10:11:16+08:00", "utc": "1903-09-29T02:11:16Z", "ms": -2090958524429.1836 }, "end": { "local": "1903-09-30T12:31:04+08:00", "utc": "1903-09-30T04:31:04Z", "ms": -2090863735527.9414 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-09-29T10:11:16+08:00", "utc": "1903-09-29T02:11:16Z", "ms": -2090958524429.1836 }, "end": { "local": "1903-09-30T12:31:04+08:00", "utc": "1903-09-30T04:31:04Z", "ms": -2090863735527.9414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-09-29", "window": { "start": { "local": "1903-09-29T12:15:55+08:00", "utc": "1903-09-29T04:15:55Z", "ms": -2090951045307.099 }, "end": { "local": "1903-09-29T13:03:55+08:00", "utc": "1903-09-29T05:03:55Z", "ms": -2090948165307.099 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-09-30", "window": { "start": { "local": "1903-09-30T12:15:35+08:00", "utc": "1903-09-30T04:15:35Z", "ms": -2090864665162.0405 }, "end": { "local": "1903-09-30T13:03:35+08:00", "utc": "1903-09-30T05:03:35Z", "ms": -2090861785162.0405 } }, "covered_min": 15, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:11 on Tue 29 Sep to 12:31 on Wed 30 Sep.", "fact": "1903-09-29T02:11:16Z → 1903-09-30T04:31:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 29th, 12:16–13:04 on the 30th.", "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 29th and 15 of 48 on the 30th.", "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 930 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1903: Tuesday 29 September.", "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": "1903-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-09-29", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1903 falls on Tuesday 29 September. Navamī runs from 10:11 on Tue 29 Sep to 12:31 on Wed 30 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 15 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2368, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1903-09-30T12:31:04+08:00", "utc": "1903-09-30T04:31:04Z", "ms": -2090863735527.9414 }, "end": { "local": "1903-10-01T14:59:05+08:00", "utc": "1903-10-01T06:59:05Z", "ms": -2090768454730.1567 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1903-10-01T06:03:49+08:00", "utc": "1903-09-30T22:03:49Z", "ms": -2090800570578.653 }, "end": { "local": "1903-10-01T14:59:05+08:00", "utc": "1903-10-01T06:59:05Z", "ms": -2090768454730.1567 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1903-10-01T06:03:49+08:00", "utc": "1903-09-30T22:03:49Z", "ms": -2090800570578.653 }, "end": { "local": "1903-10-02T09:00:34+08:00", "utc": "1903-10-02T01:00:34Z", "ms": -2090703566499.9382 } } }, "kaala": "daytime", "days": [ { "local_date": "1903-09-30", "window": { "start": { "local": "1903-09-30T06:42:30+08:00", "utc": "1903-09-29T22:42:30Z", "ms": -2090884650424.521 }, "end": { "local": "1903-09-30T18:36:40+08:00", "utc": "1903-09-30T10:36:40Z", "ms": -2090841799899.56 } }, "covered_min": 0, "window_min": 714, "qualifies": false }, { "local_date": "1903-10-01", "window": { "start": { "local": "1903-10-01T06:43:17+08:00", "utc": "1903-09-30T22:43:17Z", "ms": -2090798202929.624 }, "end": { "local": "1903-10-01T18:35:13+08:00", "utc": "1903-10-01T10:35:13Z", "ms": -2090755486645.2192 } }, "covered_min": 496, "window_min": 712, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:31 on Wed 30 Sep to 14:59 on Thu 1 Oct, and Śravaṇa from 06:04 on Thu 1 Oct to 09:01 on Fri 2 Oct. They are together from 06:04 on Thu 1 Oct to 14:59 on Thu 1 Oct.", "fact": "1903-09-30T22:03:49Z → 1903-10-01T06:59:05Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:42–18:37 on the 30th, 06:43–18:35 on the 1st.", "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 714 minutes on the 30th and 496 of 712 on the 1st.", "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 2368 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1903: Thursday 1 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": "1903-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-01", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1903 falls on Thursday 1 October. Daśamī runs from 12:31 on Wed 30 Sep to 14:59 on Thu 1 Oct and is with Śravaṇa in the day time that day, for 496 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-10-02", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29748, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-10-01T14:59:05+08:00", "utc": "1903-10-01T06:59:05Z", "ms": -2090768454730.1567 }, "end": { "local": "1903-10-02T17:22:51+08:00", "utc": "1903-10-02T09:22:51Z", "ms": -2090673428768.2854 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-10-01T14:59:05+08:00", "utc": "1903-10-01T06:59:05Z", "ms": -2090768454730.1567 }, "end": { "local": "1903-10-02T17:22:51+08:00", "utc": "1903-10-02T09:22:51Z", "ms": -2090673428768.2854 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-10-01", "window": { "start": { "local": "1903-10-01T06:43:17+08:00", "utc": "1903-09-30T22:43:17Z", "ms": -2090798202929.624 }, "end": { "local": "1903-10-01T06:43:17+08:00", "utc": "1903-09-30T22:43:17Z", "ms": -2090798202929.624 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-10-02", "window": { "start": { "local": "1903-10-02T06:44:05+08:00", "utc": "1903-10-01T22:44:05Z", "ms": -2090711755231.7605 }, "end": { "local": "1903-10-02T06:44:05+08:00", "utc": "1903-10-01T22:44:05Z", "ms": -2090711755231.7605 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:59 on Thu 1 Oct to 17:23 on Fri 2 Oct.", "fact": "1903-10-01T06:59:05Z → 1903-10-02T09:22:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 1st and 06:44 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29748 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1903: Friday 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": "1903-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1903 falls on Friday 2 October. Ekādaśī runs from 14:59 on Thu 1 Oct to 17:23 on Fri 2 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-10-02", "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/1903/pradosha-vrata?on=1903-10-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2307, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-10-03T19:31:40+08:00", "utc": "1903-10-03T11:31:40Z", "ms": -2090579299993.518 }, "end": { "local": "1903-10-04T21:17:33+08:00", "utc": "1903-10-04T13:17:33Z", "ms": -2090486546861.6257 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1903-10-03T19:31:40+08:00", "utc": "1903-10-03T11:31:40Z", "ms": -2090579299993.518 }, "end": { "local": "1903-10-04T21:17:33+08:00", "utc": "1903-10-04T13:17:33Z", "ms": -2090486546861.6257 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-03", "window": { "start": { "local": "1903-10-03T18:32:21+08:00", "utc": "1903-10-03T10:32:21Z", "ms": -2090582859207.2537 }, "end": { "local": "1903-10-03T20:10:07+08:00", "utc": "1903-10-03T12:10:07Z", "ms": -2090576992536.226 } }, "covered_min": 38, "window_min": 98, "qualifies": true }, { "local_date": "1903-10-04", "window": { "start": { "local": "1903-10-04T18:30:55+08:00", "utc": "1903-10-04T10:30:55Z", "ms": -2090496544961.1897 }, "end": { "local": "1903-10-04T20:09:00+08:00", "utc": "1903-10-04T12:09:00Z", "ms": -2090490660404.7588 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:32 on Sat 3 Oct to 21:18 on Sun 4 Oct.", "fact": "1903-10-03T11:31:40Z → 1903-10-04T13:17:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:10 on the 3rd, 18:31–20:09 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 38 of 98 minutes on the 3rd and 98 of 98 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 2307 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Sunday 4 October.", "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": "1903-10-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-04", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Sunday 4 October. Trayodaśī runs from 19:32 on Sat 3 Oct to 21:18 on Sun 4 Oct 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.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-10-04", "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/1903/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3171, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-10-09T22:53:44+08:00", "utc": "1903-10-09T14:53:44Z", "ms": -2090048775773.1929 }, "end": { "local": "1903-10-10T21:53:16+08:00", "utc": "1903-10-10T13:53:16Z", "ms": -2089966004493.8423 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-09T22:53:44+08:00", "utc": "1903-10-09T14:53:44Z", "ms": -2090048775773.1929 }, "end": { "local": "1903-10-10T21:53:16+08:00", "utc": "1903-10-10T13:53:16Z", "ms": -2089966004493.8423 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-10-09", "window": { "start": { "local": "1903-10-09T20:14:52+08:00", "utc": "1903-10-09T12:14:52Z", "ms": -2090058307657.6416 }, "end": { "local": "1903-10-09T20:14:52+08:00", "utc": "1903-10-09T12:14:52Z", "ms": -2090058307657.6416 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-10-10", "window": { "start": { "local": "1903-10-10T21:00:24+08:00", "utc": "1903-10-10T13:00:24Z", "ms": -2089969175979.3845 }, "end": { "local": "1903-10-10T21:00:24+08:00", "utc": "1903-10-10T13:00:24Z", "ms": -2089969175979.3845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:54 on Fri 9 Oct to 21:53 on Sat 10 Oct.", "fact": "1903-10-09T14:53:44Z → 1903-10-10T13:53:16Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 9th and 21:00 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3171 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1903: Saturday 10 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": "1903-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1903 falls on Saturday 10 October. Caturthī runs from 22:54 on Fri 9 Oct to 21:53 on Sat 10 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-10-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3171, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-10-09T22:53:44+08:00", "utc": "1903-10-09T14:53:44Z", "ms": -2090048775773.1929 }, "end": { "local": "1903-10-10T21:53:16+08:00", "utc": "1903-10-10T13:53:16Z", "ms": -2089966004493.8423 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-09T22:53:44+08:00", "utc": "1903-10-09T14:53:44Z", "ms": -2090048775773.1929 }, "end": { "local": "1903-10-10T21:53:16+08:00", "utc": "1903-10-10T13:53:16Z", "ms": -2089966004493.8423 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-10-09", "window": { "start": { "local": "1903-10-09T20:14:52+08:00", "utc": "1903-10-09T12:14:52Z", "ms": -2090058307657.6416 }, "end": { "local": "1903-10-09T20:14:52+08:00", "utc": "1903-10-09T12:14:52Z", "ms": -2090058307657.6416 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-10-10", "window": { "start": { "local": "1903-10-10T21:00:24+08:00", "utc": "1903-10-10T13:00:24Z", "ms": -2089969175979.3845 }, "end": { "local": "1903-10-10T21:00:24+08:00", "utc": "1903-10-10T13:00:24Z", "ms": -2089969175979.3845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:54 on Fri 9 Oct to 21:53 on Sat 10 Oct.", "fact": "1903-10-09T14:53:44Z → 1903-10-10T13:53:16Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 9th and 21:00 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3171 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Saturday 10 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": "1903-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Saturday 10 October. Caturthī runs from 22:54 on Fri 9 Oct to 21:53 on Sat 10 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-10-10", "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/1903/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24473, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-10-13T16:58:42+08:00", "utc": "1903-10-13T08:58:42Z", "ms": -2089724477760.7952 }, "end": { "local": "1903-10-14T14:51:58+08:00", "utc": "1903-10-14T06:51:58Z", "ms": -2089645682287.6528 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-13T16:58:42+08:00", "utc": "1903-10-13T08:58:42Z", "ms": -2089724477760.7952 }, "end": { "local": "1903-10-14T14:51:58+08:00", "utc": "1903-10-14T06:51:58Z", "ms": -2089645682287.6528 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-10-13", "window": { "start": { "local": "1903-10-13T23:46:35+08:00", "utc": "1903-10-13T15:46:35Z", "ms": -2089700004562.4895 }, "end": { "local": "1903-10-13T23:46:35+08:00", "utc": "1903-10-13T15:46:35Z", "ms": -2089700004562.4895 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-10-14", "window": { "start": { "local": "1903-10-15T00:50:03+08:00", "utc": "1903-10-14T16:50:03Z", "ms": -2089609797490.6511 }, "end": { "local": "1903-10-15T00:50:03+08:00", "utc": "1903-10-14T16:50:03Z", "ms": -2089609797490.6511 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:59 on Tue 13 Oct to 14:52 on Wed 14 Oct.", "fact": "1903-10-13T08:58:42Z → 1903-10-14T06:51:58Z" }, { "step": "kaala", "text": "Moonrise is at 23:47 on the 13th and 00:50 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 13th and is not on the 14th.", "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 24473 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1903: Tuesday 13 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": "1903-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-13", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1903 falls on Tuesday 13 October. Aṣṭamī runs from 16:59 on Tue 13 Oct to 14:52 on Wed 14 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-10-17", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3140, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-10-16T10:13:25+08:00", "utc": "1903-10-16T02:13:25Z", "ms": -2089489595232.305 }, "end": { "local": "1903-10-17T07:48:53+08:00", "utc": "1903-10-16T23:48:53Z", "ms": -2089411866577.3157 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-16T10:13:25+08:00", "utc": "1903-10-16T02:13:25Z", "ms": -2089489595232.305 }, "end": { "local": "1903-10-17T07:48:53+08:00", "utc": "1903-10-16T23:48:53Z", "ms": -2089411866577.3157 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-10-16", "window": { "start": { "local": "1903-10-16T06:55:41+08:00", "utc": "1903-10-15T22:55:41Z", "ms": -2089501458591.1235 }, "end": { "local": "1903-10-16T06:55:41+08:00", "utc": "1903-10-15T22:55:41Z", "ms": -2089501458591.1235 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-10-17", "window": { "start": { "local": "1903-10-17T06:56:34+08:00", "utc": "1903-10-16T22:56:34Z", "ms": -2089415006299.4495 }, "end": { "local": "1903-10-17T06:56:34+08:00", "utc": "1903-10-16T22:56:34Z", "ms": -2089415006299.4495 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:13 on Fri 16 Oct to 07:49 on Sat 17 Oct.", "fact": "1903-10-16T02:13:25Z → 1903-10-16T23:48:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 16th and 06:57 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3140 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1903: Saturday 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": "1903-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1903 falls on Saturday 17 October. Ekādaśī runs from 10:13 on Fri 16 Oct to 07:49 on Sat 17 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-10-17", "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/1903/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34303, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-10-17T07:48:53+08:00", "utc": "1903-10-16T23:48:53Z", "ms": -2089411866577.3157 }, "end": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-17T07:48:53+08:00", "utc": "1903-10-16T23:48:53Z", "ms": -2089411866577.3157 }, "end": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-16", "window": { "start": { "local": "1903-10-16T18:14:26+08:00", "utc": "1903-10-16T10:14:26Z", "ms": -2089460733946.823 }, "end": { "local": "1903-10-16T19:56:03+08:00", "utc": "1903-10-16T11:56:03Z", "ms": -2089454636927.173 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1903-10-17", "window": { "start": { "local": "1903-10-17T18:13:08+08:00", "utc": "1903-10-17T10:13:08Z", "ms": -2089374412036.916 }, "end": { "local": "1903-10-17T19:55:02+08:00", "utc": "1903-10-17T11:55:02Z", "ms": -2089368297583.3945 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:49 on Sat 17 Oct to 05:27 on Sun 18 Oct.", "fact": "1903-10-16T23:48:53Z → 1903-10-17T21:26:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:56 on the 16th, 18:13–19:55 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 16th and 102 of 102 on the 17th.", "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 34303 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1903: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1903 falls on Saturday 17 October. Dvādaśī runs from 07:49 on Sat 17 Oct to 05:27 on Sun 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26295, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 }, "end": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 }, "end": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-17", "window": { "start": { "local": "1903-10-17T18:13:08+08:00", "utc": "1903-10-17T10:13:08Z", "ms": -2089374412036.916 }, "end": { "local": "1903-10-17T19:55:02+08:00", "utc": "1903-10-17T11:55:02Z", "ms": -2089368297583.3945 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1903-10-18", "window": { "start": { "local": "1903-10-18T18:11:51+08:00", "utc": "1903-10-18T10:11:51Z", "ms": -2089288089317.2058 }, "end": { "local": "1903-10-18T19:54:03+08:00", "utc": "1903-10-18T11:54:03Z", "ms": -2089281957488.2454 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:27 on Sun 18 Oct to 03:12 on Mon 19 Oct.", "fact": "1903-10-17T21:26:45Z → 1903-10-18T19:12:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:55 on the 17th, 18:12–19:54 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 17th and 102 of 102 on the 18th.", "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 26295 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1903: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-18", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1903 falls on Sunday 18 October. Trayodaśī runs from 05:27 on Sun 18 Oct to 03:12 on Mon 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-10-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26295, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 }, "end": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-18T05:26:45+08:00", "utc": "1903-10-17T21:26:45Z", "ms": -2089333994540.2778 }, "end": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-17", "window": { "start": { "local": "1903-10-17T18:13:08+08:00", "utc": "1903-10-17T10:13:08Z", "ms": -2089374412036.916 }, "end": { "local": "1903-10-17T19:55:02+08:00", "utc": "1903-10-17T11:55:02Z", "ms": -2089368297583.3945 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1903-10-18", "window": { "start": { "local": "1903-10-18T18:11:51+08:00", "utc": "1903-10-18T10:11:51Z", "ms": -2089288089317.2058 }, "end": { "local": "1903-10-18T19:54:03+08:00", "utc": "1903-10-18T11:54:03Z", "ms": -2089281957488.2454 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:27 on Sun 18 Oct to 03:12 on Mon 19 Oct.", "fact": "1903-10-17T21:26:45Z → 1903-10-18T19:12:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:55 on the 17th, 18:12–19:54 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 17th and 102 of 102 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 26295 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Sunday 18 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": "1903-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-18", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Sunday 18 October. Trayodaśī runs from 05:27 on Sun 18 Oct to 03:12 on Mon 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7430, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "end": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "end": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 } }, "kaala": "arunodaya", "days": [ { "local_date": "1903-10-19", "window": { "start": { "local": "1903-10-19T05:16:08+08:00", "utc": "1903-10-18T21:16:08Z", "ms": -2089248232428.9634 }, "end": { "local": "1903-10-19T06:58:19+08:00", "utc": "1903-10-18T22:58:19Z", "ms": -2089242100600.003 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1903-10-20", "window": { "start": { "local": "1903-10-20T05:16:44+08:00", "utc": "1903-10-19T21:16:44Z", "ms": -2089161796337.05 }, "end": { "local": "1903-10-20T06:59:13+08:00", "utc": "1903-10-19T22:59:13Z", "ms": -2089155647195.123 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:12 on Mon 19 Oct to 01:11 on Tue 20 Oct.", "fact": "1903-10-18T19:12:17Z → 1903-10-19T17:11:22Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:58 on the 19th, 05:17–06:59 on the 20th.", "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 102 of 102 minutes on the 19th and 0 of 102 on the 20th.", "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 7430 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1903: Monday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1903 falls on Monday 19 October. Caturdaśī runs from 03:12 on Mon 19 Oct to 01:11 on Tue 20 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 748, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "end": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "end": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 } }, "kaala": "nishita", "days": [ { "local_date": "1903-10-19", "window": { "start": { "local": "1903-10-20T00:10:54+08:00", "utc": "1903-10-19T16:10:54Z", "ms": -2089180146477.349 }, "end": { "local": "1903-10-20T00:58:54+08:00", "utc": "1903-10-19T16:58:54Z", "ms": -2089177266477.349 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-20", "window": { "start": { "local": "1903-10-21T00:10:43+08:00", "utc": "1903-10-20T16:10:43Z", "ms": -2089093757380.2979 }, "end": { "local": "1903-10-21T00:58:43+08:00", "utc": "1903-10-20T16:58:43Z", "ms": -2089090877380.2979 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct.", "fact": "1903-10-19T17:11:22Z → 1903-10-20T15:30:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 19th, 00:11–00:59 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 748 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1903: Monday 19 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-19", "confidence": "boundary" } ], "quote": "In Qingyang, Kālī Pūjā 1903 falls on Monday 19 October. Amāvasyā runs from 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/shivaratri?on=1903-10-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 748, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "end": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-19T03:12:17+08:00", "utc": "1903-10-18T19:12:17Z", "ms": -2089255662913.3943 }, "end": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 } }, "kaala": "nishita", "days": [ { "local_date": "1903-10-18", "window": { "start": { "local": "1903-10-19T00:11:05+08:00", "utc": "1903-10-18T16:11:05Z", "ms": -2089266534958.6045 }, "end": { "local": "1903-10-19T00:59:05+08:00", "utc": "1903-10-18T16:59:05Z", "ms": -2089263654958.6045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-19", "window": { "start": { "local": "1903-10-20T00:10:54+08:00", "utc": "1903-10-19T16:10:54Z", "ms": -2089180146477.349 }, "end": { "local": "1903-10-20T00:58:54+08:00", "utc": "1903-10-19T16:58:54Z", "ms": -2089177266477.349 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:12 on Mon 19 Oct to 01:11 on Tue 20 Oct.", "fact": "1903-10-18T19:12:17Z → 1903-10-19T17:11:22Z" }, { "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": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 748 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Monday 19 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": "1903-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Monday 19 October. Caturdaśī runs from 03:12 on Mon 19 Oct to 01:11 on Tue 20 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-10-19", "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/1903/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13092, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "end": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-20T01:11:22+08:00", "utc": "1903-10-19T17:11:22Z", "ms": -2089176518490.243 }, "end": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-19", "window": { "start": { "local": "1903-10-19T18:10:34+08:00", "utc": "1903-10-19T10:10:34Z", "ms": -2089201765759.575 }, "end": { "local": "1903-10-19T19:53:03+08:00", "utc": "1903-10-19T11:53:03Z", "ms": -2089195616617.648 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1903-10-20", "window": { "start": { "local": "1903-10-20T18:09:19+08:00", "utc": "1903-10-20T10:09:19Z", "ms": -2089115441336.3396 }, "end": { "local": "1903-10-20T19:52:05+08:00", "utc": "1903-10-20T11:52:05Z", "ms": -2089109274948.0618 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct.", "fact": "1903-10-19T17:11:22Z → 1903-10-20T15:30:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:53 on the 19th, 18:09–19:52 on the 20th.", "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 102 minutes on the 19th and 103 of 103 on the 20th.", "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 13092 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1903: Tuesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-20", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1903 falls on Tuesday 20 October. Amāvasyā runs from 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33443, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-20", "window": { "start": { "local": "1903-10-20T12:10:16+08:00", "utc": "1903-10-20T04:10:16Z", "ms": -2089136984265.7314 }, "end": { "local": "1903-10-20T12:58:16+08:00", "utc": "1903-10-20T04:58:16Z", "ms": -2089134104265.7314 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-21", "window": { "start": { "local": "1903-10-21T12:10:05+08:00", "utc": "1903-10-21T04:10:05Z", "ms": -2089050594722.06 }, "end": { "local": "1903-10-21T12:58:05+08:00", "utc": "1903-10-21T04:58:05Z", "ms": -2089047714722.06 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct.", "fact": "1903-10-20T15:30:17Z → 1903-10-21T14:15:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 20th, 12:10–12:58 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33443 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1903: Wednesday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1903 falls on Wednesday 21 October. Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8661, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-10-20", "window": { "start": { "local": "1903-10-20T18:09:19+08:00", "utc": "1903-10-20T10:09:19Z", "ms": -2089115441336.3396 }, "end": { "local": "1903-10-20T19:52:05+08:00", "utc": "1903-10-20T11:52:05Z", "ms": -2089109274948.0618 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1903-10-21", "window": { "start": { "local": "1903-10-21T18:08:04+08:00", "utc": "1903-10-21T10:08:04Z", "ms": -2089029116019.8635 }, "end": { "local": "1903-10-21T19:51:08+08:00", "utc": "1903-10-21T11:51:08Z", "ms": -2089022932456.1113 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct.", "fact": "1903-10-20T15:30:17Z → 1903-10-21T14:15:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:52 on the 20th, 18:08–19:51 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 103 minutes on the 20th and 103 of 103 on the 21st.", "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 8661 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1903: Wednesday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1903 falls on Wednesday 21 October. Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26989, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-20T23:30:17+08:00", "utc": "1903-10-20T15:30:17Z", "ms": -2089096182601.3 }, "end": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 } }, "kaala": "purvahna", "days": [ { "local_date": "1903-10-21", "window": { "start": { "local": "1903-10-21T07:00:07+08:00", "utc": "1903-10-20T23:00:07Z", "ms": -2089069193424.2563 }, "end": { "local": "1903-10-21T10:42:46+08:00", "utc": "1903-10-21T02:42:46Z", "ms": -2089055834289.4587 } }, "covered_min": 223, "window_min": 223, "qualifies": true }, { "local_date": "1903-10-22", "window": { "start": { "local": "1903-10-22T07:01:01+08:00", "utc": "1903-10-21T23:01:01Z", "ms": -2088982739291.7227 }, "end": { "local": "1903-10-22T10:42:57+08:00", "utc": "1903-10-22T02:42:57Z", "ms": -2088969422788.5442 } }, "covered_min": 0, "window_min": 222, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct.", "fact": "1903-10-20T15:30:17Z → 1903-10-21T14:15:28Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:00–10:43 on the 21st, 07:01–10:43 on the 22nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 223 of 223 minutes on the 21st and 0 of 222 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26989 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1903: Wednesday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Dyūta Pratipad 1903 falls on Wednesday 21 October. Pratipadā runs from 23:30 on Tue 20 Oct to 22:15 on Wed 21 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30897, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 }, "end": { "local": "1903-10-22T21:32:52+08:00", "utc": "1903-10-22T13:32:52Z", "ms": -2088930428014.9395 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-21T22:15:28+08:00", "utc": "1903-10-21T14:15:28Z", "ms": -2089014271564.117 }, "end": { "local": "1903-10-22T21:32:52+08:00", "utc": "1903-10-22T13:32:52Z", "ms": -2088930428014.9395 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-21", "window": { "start": { "local": "1903-10-21T12:10:05+08:00", "utc": "1903-10-21T04:10:05Z", "ms": -2089050594722.06 }, "end": { "local": "1903-10-21T12:58:05+08:00", "utc": "1903-10-21T04:58:05Z", "ms": -2089047714722.06 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-22", "window": { "start": { "local": "1903-10-22T12:09:55+08:00", "utc": "1903-10-22T04:09:55Z", "ms": -2088964204536.955 }, "end": { "local": "1903-10-22T12:57:55+08:00", "utc": "1903-10-22T04:57:55Z", "ms": -2088961324536.955 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:15 on Wed 21 Oct to 21:33 on Thu 22 Oct.", "fact": "1903-10-21T14:15:28Z → 1903-10-22T13:32:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30897 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1903: Thursday 22 October.", "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": "1903-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-22", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1903 falls on Thursday 22 October. Dvitīyā runs from 22:15 on Wed 21 Oct to 21:33 on Thu 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30569, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-10-23T21:27:16+08:00", "utc": "1903-10-23T13:27:16Z", "ms": -2088844364495.654 }, "end": { "local": "1903-10-24T22:01:22+08:00", "utc": "1903-10-24T14:01:22Z", "ms": -2088755918159.9607 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-23T21:27:16+08:00", "utc": "1903-10-23T13:27:16Z", "ms": -2088844364495.654 }, "end": { "local": "1903-10-24T22:01:22+08:00", "utc": "1903-10-24T14:01:22Z", "ms": -2088755918159.9607 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-23", "window": { "start": { "local": "1903-10-23T12:09:46+08:00", "utc": "1903-10-23T04:09:46Z", "ms": -2088877813698.6257 }, "end": { "local": "1903-10-23T12:57:46+08:00", "utc": "1903-10-23T04:57:46Z", "ms": -2088874933698.6257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-24", "window": { "start": { "local": "1903-10-24T12:09:38+08:00", "utc": "1903-10-24T04:09:38Z", "ms": -2088791422195.1338 }, "end": { "local": "1903-10-24T12:57:38+08:00", "utc": "1903-10-24T04:57:38Z", "ms": -2088788542195.1338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:27 on Fri 23 Oct to 22:01 on Sat 24 Oct.", "fact": "1903-10-23T13:27:16Z → 1903-10-24T14:01:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 23rd, 12:10–12:58 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30569 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1903: Saturday 24 October.", "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": "1903-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1903 falls on Saturday 24 October. Caturthī runs from 21:27 on Fri 23 Oct to 22:01 on Sat 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/vinayaka-chaturthi?on=1903-10-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30569, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-10-23T21:27:16+08:00", "utc": "1903-10-23T13:27:16Z", "ms": -2088844364495.654 }, "end": { "local": "1903-10-24T22:01:22+08:00", "utc": "1903-10-24T14:01:22Z", "ms": -2088755918159.9607 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-23T21:27:16+08:00", "utc": "1903-10-23T13:27:16Z", "ms": -2088844364495.654 }, "end": { "local": "1903-10-24T22:01:22+08:00", "utc": "1903-10-24T14:01:22Z", "ms": -2088755918159.9607 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-23", "window": { "start": { "local": "1903-10-23T12:09:46+08:00", "utc": "1903-10-23T04:09:46Z", "ms": -2088877813698.6257 }, "end": { "local": "1903-10-23T12:57:46+08:00", "utc": "1903-10-23T04:57:46Z", "ms": -2088874933698.6257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-24", "window": { "start": { "local": "1903-10-24T12:09:38+08:00", "utc": "1903-10-24T04:09:38Z", "ms": -2088791422195.1338 }, "end": { "local": "1903-10-24T12:57:38+08:00", "utc": "1903-10-24T04:57:38Z", "ms": -2088788542195.1338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:27 on Fri 23 Oct to 22:01 on Sat 24 Oct.", "fact": "1903-10-23T13:27:16Z → 1903-10-24T14:01:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 23rd, 12:10–12:58 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30569 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Saturday 24 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": "1903-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-24", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Saturday 24 October. Caturthī runs from 21:27 on Fri 23 Oct to 22:01 on Sat 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-10-24", "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/1903/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37040, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-10-25T23:14:50+08:00", "utc": "1903-10-25T15:14:50Z", "ms": -2088665110111.5007 }, "end": { "local": "1903-10-27T01:03:25+08:00", "utc": "1903-10-26T17:03:25Z", "ms": -2088572195077.96 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-25T23:14:50+08:00", "utc": "1903-10-25T15:14:50Z", "ms": -2088665110111.5007 }, "end": { "local": "1903-10-27T01:03:25+08:00", "utc": "1903-10-26T17:03:25Z", "ms": -2088572195077.96 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-25", "window": { "start": { "local": "1903-10-25T12:09:30+08:00", "utc": "1903-10-25T04:09:30Z", "ms": -2088705030014.3164 }, "end": { "local": "1903-10-25T12:57:30+08:00", "utc": "1903-10-25T04:57:30Z", "ms": -2088702150014.3164 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-10-26", "window": { "start": { "local": "1903-10-26T12:09:23+08:00", "utc": "1903-10-26T04:09:23Z", "ms": -2088618637143.7964 }, "end": { "local": "1903-10-26T12:57:23+08:00", "utc": "1903-10-26T04:57:23Z", "ms": -2088615757143.7964 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:15 on Sun 25 Oct to 01:03 on Tue 27 Oct.", "fact": "1903-10-25T15:14:50Z → 1903-10-26T17:03:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 25th, 12:09–12:57 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37040 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1903: Monday 26 October.", "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": "1903-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-26", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1903 falls on Monday 26 October. Ṣaṣṭhī runs from 23:15 on Sun 25 Oct to 01:03 on Tue 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22839, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1903-10-28T03:18:40+08:00", "utc": "1903-10-27T19:18:40Z", "ms": -2088477680277.2607 }, "end": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-28T03:18:40+08:00", "utc": "1903-10-27T19:18:40Z", "ms": -2088477680277.2607 }, "end": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-28", "window": { "start": { "local": "1903-10-28T12:09:11+08:00", "utc": "1903-10-28T04:09:11Z", "ms": -2088445849283.4834 }, "end": { "local": "1903-10-28T12:57:11+08:00", "utc": "1903-10-28T04:57:11Z", "ms": -2088442969283.4834 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-10-29", "window": { "start": { "local": "1903-10-29T12:09:06+08:00", "utc": "1903-10-29T04:09:06Z", "ms": -2088359454268.523 }, "end": { "local": "1903-10-29T12:57:06+08:00", "utc": "1903-10-29T04:57:06Z", "ms": -2088356574268.523 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:19 on Wed 28 Oct to 05:48 on Thu 29 Oct.", "fact": "1903-10-27T19:18:40Z → 1903-10-28T21:48:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 28th, 12:09–12:57 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 22839 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1903: Wednesday 28 October.", "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": "1903-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-28", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1903 falls on Wednesday 28 October. Aṣṭamī runs from 03:19 on Wed 28 Oct to 05:48 on Thu 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 4202, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 }, "end": { "local": "1903-10-30T08:18:28+08:00", "utc": "1903-10-30T00:18:28Z", "ms": -2088286892187.2078 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 }, "end": { "local": "1903-10-30T08:18:28+08:00", "utc": "1903-10-30T00:18:28Z", "ms": -2088286892187.2078 } }, "kaala": "purvahna", "days": [ { "local_date": "1903-10-29", "window": { "start": { "local": "1903-10-29T07:07:29+08:00", "utc": "1903-10-28T23:07:29Z", "ms": -2088377550696.2734 }, "end": { "local": "1903-10-29T10:44:34+08:00", "utc": "1903-10-29T02:44:34Z", "ms": -2088364526411.1064 } }, "covered_min": 217, "window_min": 217, "qualifies": true }, { "local_date": "1903-10-30", "window": { "start": { "local": "1903-10-30T07:08:26+08:00", "utc": "1903-10-29T23:08:26Z", "ms": -2088291093876.3357 }, "end": { "local": "1903-10-30T10:44:50+08:00", "utc": "1903-10-30T02:44:50Z", "ms": -2088278110301.2195 } }, "covered_min": 70, "window_min": 216, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:48 on Thu 29 Oct to 08:18 on Fri 30 Oct.", "fact": "1903-10-28T21:48:27Z → 1903-10-30T00:18:28Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:07–10:45 on the 29th, 07:08–10:45 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 217 of 217 minutes on the 29th and 70 of 216 on the 30th.", "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 4202 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1903: Thursday 29 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1903-10-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-29", "confidence": "boundary" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1903 falls on Thursday 29 October. Navamī runs from 05:48 on Thu 29 Oct to 08:18 on Fri 30 Oct and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 70 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/1903/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/1903/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13834, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 }, "end": { "local": "1903-10-30T08:18:28+08:00", "utc": "1903-10-30T00:18:28Z", "ms": -2088286892187.2078 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-29T05:48:27+08:00", "utc": "1903-10-28T21:48:27Z", "ms": -2088382293183.8489 }, "end": { "local": "1903-10-30T08:18:28+08:00", "utc": "1903-10-30T00:18:28Z", "ms": -2088286892187.2078 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-10-29", "window": { "start": { "local": "1903-10-29T12:09:06+08:00", "utc": "1903-10-29T04:09:06Z", "ms": -2088359454268.523 }, "end": { "local": "1903-10-29T12:57:06+08:00", "utc": "1903-10-29T04:57:06Z", "ms": -2088356574268.523 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-10-30", "window": { "start": { "local": "1903-10-30T12:09:01+08:00", "utc": "1903-10-30T04:09:01Z", "ms": -2088273058513.6611 }, "end": { "local": "1903-10-30T12:57:01+08:00", "utc": "1903-10-30T04:57:01Z", "ms": -2088270178513.6611 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:48 on Thu 29 Oct to 08:18 on Fri 30 Oct.", "fact": "1903-10-28T21:48:27Z → 1903-10-30T00:18:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13834 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1903: Thursday 29 October.", "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": "1903-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-10-29", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1903 falls on Thursday 29 October. Navamī runs from 05:48 on Thu 29 Oct to 08:18 on Fri 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-11-01", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12298, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-10-31T10:34:22+08:00", "utc": "1903-10-31T02:34:22Z", "ms": -2088192338495.2373 }, "end": { "local": "1903-11-01T12:23:53+08:00", "utc": "1903-11-01T04:23:53Z", "ms": -2088099367218.5757 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-10-31T10:34:22+08:00", "utc": "1903-10-31T02:34:22Z", "ms": -2088192338495.2373 }, "end": { "local": "1903-11-01T12:23:53+08:00", "utc": "1903-11-01T04:23:53Z", "ms": -2088099367218.5757 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-10-31", "window": { "start": { "local": "1903-10-31T07:09:23+08:00", "utc": "1903-10-30T23:09:23Z", "ms": -2088204636751.4321 }, "end": { "local": "1903-10-31T07:09:23+08:00", "utc": "1903-10-30T23:09:23Z", "ms": -2088204636751.4321 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-11-01", "window": { "start": { "local": "1903-11-01T07:10:21+08:00", "utc": "1903-10-31T23:10:21Z", "ms": -2088118179329.9858 }, "end": { "local": "1903-11-01T07:10:21+08:00", "utc": "1903-10-31T23:10:21Z", "ms": -2088118179329.9858 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:34 on Sat 31 Oct to 12:24 on Sun 1 Nov.", "fact": "1903-10-31T02:34:22Z → 1903-11-01T04:23:53Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 31st and 07:10 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12298 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1903: Sunday 1 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": "1903-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1903 falls on Sunday 1 November. Ekādaśī runs from 10:34 on Sat 31 Oct to 12:24 on Sun 1 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-11-01", "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/1903/pradosha-vrata?on=1903-11-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13194, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-11-02T13:38:24+08:00", "utc": "1903-11-02T05:38:24Z", "ms": -2088008495530.9126 }, "end": { "local": "1903-11-03T14:13:34+08:00", "utc": "1903-11-03T06:13:34Z", "ms": -2087919986479.1567 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-11-02T13:38:24+08:00", "utc": "1903-11-02T05:38:24Z", "ms": -2088008495530.9126 }, "end": { "local": "1903-11-03T14:13:34+08:00", "utc": "1903-11-03T06:13:34Z", "ms": -2087919986479.1567 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-11-02", "window": { "start": { "local": "1903-11-02T17:54:28+08:00", "utc": "1903-11-02T09:54:28Z", "ms": -2087993131751.0613 }, "end": { "local": "1903-11-02T19:40:51+08:00", "utc": "1903-11-02T11:40:51Z", "ms": -2087986749335.3809 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1903-11-03", "window": { "start": { "local": "1903-11-03T17:53:28+08:00", "utc": "1903-11-03T09:53:28Z", "ms": -2087906792062.9504 }, "end": { "local": "1903-11-03T19:40:06+08:00", "utc": "1903-11-03T11:40:06Z", "ms": -2087900393838.2134 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:38 on Mon 2 Nov to 14:14 on Tue 3 Nov.", "fact": "1903-11-02T05:38:24Z → 1903-11-03T06:13:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:41 on the 2nd, 17:53–19:40 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 2nd and 0 of 107 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13194 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Monday 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": "1903-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Monday 2 November. Trayodaśī runs from 13:38 on Mon 2 Nov to 14:14 on Tue 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-11-02", "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/1903/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36024, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-11-04T14:08:57+08:00", "utc": "1903-11-04T06:08:57Z", "ms": -2087833863373.008 }, "end": { "local": "1903-11-05T13:27:24+08:00", "utc": "1903-11-05T05:27:24Z", "ms": -2087749955924.22 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-11-04T14:08:57+08:00", "utc": "1903-11-04T06:08:57Z", "ms": -2087833863373.008 }, "end": { "local": "1903-11-05T13:27:24+08:00", "utc": "1903-11-05T05:27:24Z", "ms": -2087749955924.22 } }, "kaala": "nishita", "days": [ { "local_date": "1903-11-04", "window": { "start": { "local": "1903-11-05T00:09:21+08:00", "utc": "1903-11-04T16:09:21Z", "ms": -2087797838952.029 }, "end": { "local": "1903-11-05T00:57:21+08:00", "utc": "1903-11-04T16:57:21Z", "ms": -2087794958952.029 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-11-05", "window": { "start": { "local": "1903-11-06T00:09:22+08:00", "utc": "1903-11-05T16:09:22Z", "ms": -2087711438376.147 }, "end": { "local": "1903-11-06T00:57:22+08:00", "utc": "1903-11-05T16:57:22Z", "ms": -2087708558376.147 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:09 on Wed 4 Nov to 13:27 on Thu 5 Nov.", "fact": "1903-11-04T06:08:57Z → 1903-11-05T05:27:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 4th, 00:09–00:57 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36024 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1903: Wednesday 4 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": "1903-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1903 falls on Wednesday 4 November. Pūrṇimā runs from 14:09 on Wed 4 Nov to 13:27 on Thu 5 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1832, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-11-04T14:08:57+08:00", "utc": "1903-11-04T06:08:57Z", "ms": -2087833863373.008 }, "end": { "local": "1903-11-05T13:27:24+08:00", "utc": "1903-11-05T05:27:24Z", "ms": -2087749955924.22 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1903-11-04T14:08:57+08:00", "utc": "1903-11-04T06:08:57Z", "ms": -2087833863373.008 }, "end": { "local": "1903-11-05T13:27:24+08:00", "utc": "1903-11-05T05:27:24Z", "ms": -2087749955924.22 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-04", "window": { "start": { "local": "1903-11-04T12:08:52+08:00", "utc": "1903-11-04T04:08:52Z", "ms": -2087841068209.2358 }, "end": { "local": "1903-11-04T12:56:52+08:00", "utc": "1903-11-04T04:56:52Z", "ms": -2087838188209.2358 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-05", "window": { "start": { "local": "1903-11-05T12:08:52+08:00", "utc": "1903-11-05T04:08:52Z", "ms": -2087754667757.0815 }, "end": { "local": "1903-11-05T12:56:52+08:00", "utc": "1903-11-05T04:56:52Z", "ms": -2087751787757.0815 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:09 on Wed 4 Nov to 13:27 on Thu 5 Nov.", "fact": "1903-11-04T06:08:57Z → 1903-11-05T05:27:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 4th, 12:09–12:57 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1832 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1903: Thursday 5 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": "1903-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1903 falls on Thursday 5 November. Pūrṇimā runs from 14:09 on Wed 4 Nov to 13:27 on Thu 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-11-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35314, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-11-08T08:37:58+08:00", "utc": "1903-11-08T00:37:58Z", "ms": -2087508122462.585 }, "end": { "local": "1903-11-09T06:28:59+08:00", "utc": "1903-11-08T22:28:59Z", "ms": -2087429460910.588 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-08T08:37:58+08:00", "utc": "1903-11-08T00:37:58Z", "ms": -2087508122462.585 }, "end": { "local": "1903-11-09T06:28:59+08:00", "utc": "1903-11-08T22:28:59Z", "ms": -2087429460910.588 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-11-07", "window": { "start": { "local": "1903-11-07T19:45:14+08:00", "utc": "1903-11-07T11:45:14Z", "ms": -2087554485873.6636 }, "end": { "local": "1903-11-07T19:45:14+08:00", "utc": "1903-11-07T11:45:14Z", "ms": -2087554485873.6636 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-11-08", "window": { "start": { "local": "1903-11-08T20:40:25+08:00", "utc": "1903-11-08T12:40:25Z", "ms": -2087464775045.7605 }, "end": { "local": "1903-11-08T20:40:25+08:00", "utc": "1903-11-08T12:40:25Z", "ms": -2087464775045.7605 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:38 on Sun 8 Nov to 06:29 on Mon 9 Nov.", "fact": "1903-11-08T00:37:58Z → 1903-11-08T22:28:59Z" }, { "step": "kaala", "text": "Moonrise is at 19:45 on the 7th and 20:40 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35314 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Sunday 8 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": "1903-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-08", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Sunday 8 November. Caturthī runs from 08:38 on Sun 8 Nov to 06:29 on Mon 9 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-11-08", "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/1903/ekadashi?on=1903-11-15", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32912, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-11-14T18:05:10+08:00", "utc": "1903-11-14T10:05:10Z", "ms": -2086955690225.4934 }, "end": { "local": "1903-11-15T16:32:41+08:00", "utc": "1903-11-15T08:32:41Z", "ms": -2086874838861.3936 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-14T18:05:10+08:00", "utc": "1903-11-14T10:05:10Z", "ms": -2086955690225.4934 }, "end": { "local": "1903-11-15T16:32:41+08:00", "utc": "1903-11-15T08:32:41Z", "ms": -2086874838861.3936 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-11-14", "window": { "start": { "local": "1903-11-14T07:23:09+08:00", "utc": "1903-11-13T23:23:09Z", "ms": -2086994210922.911 }, "end": { "local": "1903-11-14T07:23:09+08:00", "utc": "1903-11-13T23:23:09Z", "ms": -2086994210922.911 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1903-11-15", "window": { "start": { "local": "1903-11-15T07:24:09+08:00", "utc": "1903-11-14T23:24:09Z", "ms": -2086907750711.4954 }, "end": { "local": "1903-11-15T07:24:09+08:00", "utc": "1903-11-14T23:24:09Z", "ms": -2086907750711.4954 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:05 on Sat 14 Nov to 16:33 on Sun 15 Nov.", "fact": "1903-11-14T10:05:10Z → 1903-11-15T08:32:41Z" }, { "step": "kaala", "text": "Sunrise is at 07:23 on the 14th and 07:24 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32912 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1903: Sunday 15 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": "1903-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1903 falls on Sunday 15 November. Ekādaśī runs from 18:05 on Sat 14 Nov to 16:33 on Sun 15 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-11-15", "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/1903/pradosha-vrata?on=1903-11-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8914, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-11-16T15:14:04+08:00", "utc": "1903-11-16T07:14:04Z", "ms": -2086793156331.6965 }, "end": { "local": "1903-11-17T14:11:47+08:00", "utc": "1903-11-17T06:11:47Z", "ms": -2086710493119.6104 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-16T15:14:04+08:00", "utc": "1903-11-16T07:14:04Z", "ms": -2086793156331.6965 }, "end": { "local": "1903-11-17T14:11:47+08:00", "utc": "1903-11-17T06:11:47Z", "ms": -2086710493119.6104 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-11-16", "window": { "start": { "local": "1903-11-16T17:42:37+08:00", "utc": "1903-11-16T09:42:37Z", "ms": -2086784242550.0332 }, "end": { "local": "1903-11-16T19:32:26+08:00", "utc": "1903-11-16T11:32:26Z", "ms": -2086777654240.8167 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1903-11-17", "window": { "start": { "local": "1903-11-17T17:41:59+08:00", "utc": "1903-11-17T09:41:59Z", "ms": -2086697881232.897 }, "end": { "local": "1903-11-17T19:32:00+08:00", "utc": "1903-11-17T11:32:00Z", "ms": -2086691279739.6106 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:14 on Mon 16 Nov to 14:12 on Tue 17 Nov.", "fact": "1903-11-16T07:14:04Z → 1903-11-17T06:11:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:32 on the 16th, 17:42–19:32 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 110 of 110 minutes on the 16th and 0 of 110 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8914 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Monday 16 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": "1903-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-16", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Monday 16 November. Trayodaśī runs from 15:14 on Mon 16 Nov to 14:12 on Tue 17 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-11-16", "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/1903/shivaratri?on=1903-11-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35927, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-11-17T14:11:47+08:00", "utc": "1903-11-17T06:11:47Z", "ms": -2086710493119.6104 }, "end": { "local": "1903-11-18T13:29:08+08:00", "utc": "1903-11-18T05:29:08Z", "ms": -2086626652184.1729 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-17T14:11:47+08:00", "utc": "1903-11-17T06:11:47Z", "ms": -2086710493119.6104 }, "end": { "local": "1903-11-18T13:29:08+08:00", "utc": "1903-11-18T05:29:08Z", "ms": -2086626652184.1729 } }, "kaala": "nishita", "days": [ { "local_date": "1903-11-17", "window": { "start": { "local": "1903-11-18T00:10:34+08:00", "utc": "1903-11-17T16:10:34Z", "ms": -2086674565633.0732 }, "end": { "local": "1903-11-18T00:58:34+08:00", "utc": "1903-11-17T16:58:34Z", "ms": -2086671685633.0732 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-11-18", "window": { "start": { "local": "1903-11-19T00:10:46+08:00", "utc": "1903-11-18T16:10:46Z", "ms": -2086588154040.9502 }, "end": { "local": "1903-11-19T00:58:46+08:00", "utc": "1903-11-18T16:58:46Z", "ms": -2086585274040.9502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:12 on Tue 17 Nov to 13:29 on Wed 18 Nov.", "fact": "1903-11-17T06:11:47Z → 1903-11-18T05:29:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 17th, 00:11–00:59 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35927 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Tuesday 17 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": "1903-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Tuesday 17 November. Caturdaśī runs from 14:12 on Tue 17 Nov to 13:29 on Wed 18 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-11-17", "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/1903/vinayaka-chaturthi?on=1903-11-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7930, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-11-22T15:11:21+08:00", "utc": "1903-11-22T07:11:21Z", "ms": -2086274919142.122 }, "end": { "local": "1903-11-23T16:56:42+08:00", "utc": "1903-11-23T08:56:42Z", "ms": -2086182198330.183 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-22T15:11:21+08:00", "utc": "1903-11-22T07:11:21Z", "ms": -2086274919142.122 }, "end": { "local": "1903-11-23T16:56:42+08:00", "utc": "1903-11-23T08:56:42Z", "ms": -2086182198330.183 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-22", "window": { "start": { "local": "1903-11-22T12:11:11+08:00", "utc": "1903-11-22T04:11:11Z", "ms": -2086285729225.1738 }, "end": { "local": "1903-11-22T12:59:11+08:00", "utc": "1903-11-22T04:59:11Z", "ms": -2086282849225.1738 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-23", "window": { "start": { "local": "1903-11-23T12:11:27+08:00", "utc": "1903-11-23T04:11:27Z", "ms": -2086199313478.5413 }, "end": { "local": "1903-11-23T12:59:27+08:00", "utc": "1903-11-23T04:59:27Z", "ms": -2086196433478.5413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:11 on Sun 22 Nov to 16:57 on Mon 23 Nov.", "fact": "1903-11-22T07:11:21Z → 1903-11-23T08:56:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:11–12:59 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 7930 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Monday 23 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": "1903-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-23", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Monday 23 November. Caturthī runs from 15:11 on Sun 22 Nov to 16:57 on Mon 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14235, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1903-11-23T16:56:42+08:00", "utc": "1903-11-23T08:56:42Z", "ms": -2086182198330.183 }, "end": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-23T16:56:42+08:00", "utc": "1903-11-23T08:56:42Z", "ms": -2086182198330.183 }, "end": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-23", "window": { "start": { "local": "1903-11-23T12:11:27+08:00", "utc": "1903-11-23T04:11:27Z", "ms": -2086199313478.5413 }, "end": { "local": "1903-11-23T12:59:27+08:00", "utc": "1903-11-23T04:59:27Z", "ms": -2086196433478.5413 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-24", "window": { "start": { "local": "1903-11-24T12:11:43+08:00", "utc": "1903-11-24T04:11:43Z", "ms": -2086112896946.2983 }, "end": { "local": "1903-11-24T12:59:43+08:00", "utc": "1903-11-24T04:59:43Z", "ms": -2086110016946.2983 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:57 on Mon 23 Nov to 19:10 on Tue 24 Nov.", "fact": "1903-11-23T08:56:42Z → 1903-11-24T11:09:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 23rd, 12:12–13:00 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14235 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1903: Tuesday 24 November.", "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": "1903-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-24", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1903 falls on Tuesday 24 November. Pañcamī runs from 16:57 on Mon 23 Nov to 19:10 on Tue 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22208, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 }, "end": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 }, "end": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-24", "window": { "start": { "local": "1903-11-24T12:11:43+08:00", "utc": "1903-11-24T04:11:43Z", "ms": -2086112896946.2983 }, "end": { "local": "1903-11-24T12:59:43+08:00", "utc": "1903-11-24T04:59:43Z", "ms": -2086110016946.2983 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-25", "window": { "start": { "local": "1903-11-25T12:12:00+08:00", "utc": "1903-11-25T04:12:00Z", "ms": -2086026479642.2786 }, "end": { "local": "1903-11-25T13:00:00+08:00", "utc": "1903-11-25T05:00:00Z", "ms": -2086023599642.2786 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:10 on Tue 24 Nov to 21:42 on Wed 25 Nov.", "fact": "1903-11-24T11:09:51Z → 1903-11-25T13:41:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 24th, 12:12–13:00 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22208 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1903: Wednesday 25 November.", "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": "1903-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-25", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1903 falls on Wednesday 25 November. Ṣaṣṭhī runs from 19:10 on Tue 24 Nov to 21:42 on Wed 25 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22208, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 }, "end": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-24T19:09:51+08:00", "utc": "1903-11-24T11:09:51Z", "ms": -2086087809207.9321 }, "end": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-24", "window": { "start": { "local": "1903-11-24T12:11:43+08:00", "utc": "1903-11-24T04:11:43Z", "ms": -2086112896946.2983 }, "end": { "local": "1903-11-24T12:59:43+08:00", "utc": "1903-11-24T04:59:43Z", "ms": -2086110016946.2983 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-25", "window": { "start": { "local": "1903-11-25T12:12:00+08:00", "utc": "1903-11-25T04:12:00Z", "ms": -2086026479642.2786 }, "end": { "local": "1903-11-25T13:00:00+08:00", "utc": "1903-11-25T05:00:00Z", "ms": -2086023599642.2786 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:10 on Tue 24 Nov to 21:42 on Wed 25 Nov.", "fact": "1903-11-24T11:09:51Z → 1903-11-25T13:41:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 24th, 12:12–13:00 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22208 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1903: Wednesday 25 November.", "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": "1903-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-25", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1903 falls on Wednesday 25 November. Ṣaṣṭhī runs from 19:10 on Tue 24 Nov to 21:42 on Wed 25 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31313, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 }, "end": { "local": "1903-11-27T00:19:58+08:00", "utc": "1903-11-26T16:19:58Z", "ms": -2085896401597.9817 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-25T21:41:53+08:00", "utc": "1903-11-25T13:41:53Z", "ms": -2085992286664.405 }, "end": { "local": "1903-11-27T00:19:58+08:00", "utc": "1903-11-26T16:19:58Z", "ms": -2085896401597.9817 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-11-25", "window": { "start": { "local": "1903-11-25T12:12:00+08:00", "utc": "1903-11-25T04:12:00Z", "ms": -2086026479642.2786 }, "end": { "local": "1903-11-25T13:00:00+08:00", "utc": "1903-11-25T05:00:00Z", "ms": -2086023599642.2786 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-11-26", "window": { "start": { "local": "1903-11-26T12:12:18+08:00", "utc": "1903-11-26T04:12:18Z", "ms": -2085940061580.9182 }, "end": { "local": "1903-11-26T13:00:18+08:00", "utc": "1903-11-26T05:00:18Z", "ms": -2085937181580.9182 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:42 on Wed 25 Nov to 00:20 on Fri 27 Nov.", "fact": "1903-11-25T13:41:53Z → 1903-11-26T16:19:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 25th, 12:12–13:00 on the 26th.", "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 25th and 48 of 48 on the 26th.", "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 31313 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1903: Thursday 26 November.", "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": "1903-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-26", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1903 falls on Thursday 26 November. Saptamī runs from 21:42 on Wed 25 Nov to 00:20 on Fri 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/ekadashi?on=1903-11-30", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2256, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-11-30T06:20:32+08:00", "utc": "1903-11-29T22:20:32Z", "ms": -2085615568102.7078 }, "end": { "local": "1903-12-01T07:02:14+08:00", "utc": "1903-11-30T23:02:14Z", "ms": -2085526666110.394 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-11-30T06:20:32+08:00", "utc": "1903-11-29T22:20:32Z", "ms": -2085615568102.7078 }, "end": { "local": "1903-12-01T07:02:14+08:00", "utc": "1903-11-30T23:02:14Z", "ms": -2085526666110.394 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-11-30", "window": { "start": { "local": "1903-11-30T07:38:54+08:00", "utc": "1903-11-29T23:38:54Z", "ms": -2085610866077.9292 }, "end": { "local": "1903-11-30T07:38:54+08:00", "utc": "1903-11-29T23:38:54Z", "ms": -2085610866077.9292 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-12-01", "window": { "start": { "local": "1903-12-01T07:39:50+08:00", "utc": "1903-11-30T23:39:50Z", "ms": -2085524410291.2942 }, "end": { "local": "1903-12-01T07:39:50+08:00", "utc": "1903-11-30T23:39:50Z", "ms": -2085524410291.2942 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:21 on Mon 30 Nov to 07:02 on Tue 1 Dec.", "fact": "1903-11-29T22:20:32Z → 1903-11-30T23:02:14Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 30th and 07:40 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 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 2256 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1903: Monday 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": "1903-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-11-30", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1903 falls on Monday 30 November. Ekādaśī runs from 06:21 on Mon 30 Nov to 07:02 on Tue 1 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-11-30", "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/1903/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18706, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1903-12-01T07:02:14+08:00", "utc": "1903-11-30T23:02:14Z", "ms": -2085526666110.394 }, "end": { "local": "1903-12-02T06:55:05+08:00", "utc": "1903-12-01T22:55:05Z", "ms": -2085440695004.2522 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-01T07:02:14+08:00", "utc": "1903-11-30T23:02:14Z", "ms": -2085526666110.394 }, "end": { "local": "1903-12-02T06:55:05+08:00", "utc": "1903-12-01T22:55:05Z", "ms": -2085440695004.2522 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-12-01", "window": { "start": { "local": "1903-12-01T12:14:00+08:00", "utc": "1903-12-01T04:14:00Z", "ms": -2085507960461.8962 }, "end": { "local": "1903-12-01T13:02:00+08:00", "utc": "1903-12-01T05:02:00Z", "ms": -2085505080461.8962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-12-02", "window": { "start": { "local": "1903-12-02T12:14:22+08:00", "utc": "1903-12-02T04:14:22Z", "ms": -2085421538192.574 }, "end": { "local": "1903-12-02T13:02:22+08:00", "utc": "1903-12-02T05:02:22Z", "ms": -2085418658192.574 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:02 on Tue 1 Dec to 06:55 on Wed 2 Dec.", "fact": "1903-11-30T23:02:14Z → 1903-12-01T22:55:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 1st, 12:14–13:02 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18706 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1903: Tuesday 1 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": "1903-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-01", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1903 falls on Tuesday 1 December. Dvādaśī runs from 07:02 on Tue 1 Dec to 06:55 on Wed 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/pradosha-vrata?on=1903-12-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37908, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-12-02T06:55:05+08:00", "utc": "1903-12-01T22:55:05Z", "ms": -2085440695004.2522 }, "end": { "local": "1903-12-03T06:00:32+08:00", "utc": "1903-12-02T22:00:32Z", "ms": -2085357568231.326 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-02T06:55:05+08:00", "utc": "1903-12-01T22:55:05Z", "ms": -2085440695004.2522 }, "end": { "local": "1903-12-03T06:00:32+08:00", "utc": "1903-12-02T22:00:32Z", "ms": -2085357568231.326 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-12-01", "window": { "start": { "local": "1903-12-01T17:36:09+08:00", "utc": "1903-12-01T09:36:09Z", "ms": -2085488630632.4983 }, "end": { "local": "1903-12-01T19:28:46+08:00", "utc": "1903-12-01T11:28:46Z", "ms": -2085481873902.62 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1903-12-02", "window": { "start": { "local": "1903-12-02T17:35:59+08:00", "utc": "1903-12-02T09:35:59Z", "ms": -2085402241226.7356 }, "end": { "local": "1903-12-02T19:28:44+08:00", "utc": "1903-12-02T11:28:44Z", "ms": -2085395475826.3643 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:55 on Wed 2 Dec to 06:01 on Thu 3 Dec.", "fact": "1903-12-01T22:55:05Z → 1903-12-02T22:00:32Z" }, { "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 0 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": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37908 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1903: Wednesday 2 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": "1903-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1903 falls on Wednesday 2 December. Trayodaśī runs from 06:55 on Wed 2 Dec to 06:01 on Thu 3 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-12-02", "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/1903/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24235, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1903-12-04T04:23:47+08:00", "utc": "1903-12-03T20:23:47Z", "ms": -2085276972844.6907 }, "end": { "local": "1903-12-05T02:12:40+08:00", "utc": "1903-12-04T18:12:40Z", "ms": -2085198440085.6313 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-04T04:23:47+08:00", "utc": "1903-12-03T20:23:47Z", "ms": -2085276972844.6907 }, "end": { "local": "1903-12-05T02:12:40+08:00", "utc": "1903-12-04T18:12:40Z", "ms": -2085198440085.6313 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-12-03", "window": { "start": { "local": "1903-12-03T17:35:50+08:00", "utc": "1903-12-03T09:35:50Z", "ms": -2085315849840.2888 }, "end": { "local": "1903-12-03T19:28:44+08:00", "utc": "1903-12-03T11:28:44Z", "ms": -2085309076132.5159 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1903-12-04", "window": { "start": { "local": "1903-12-04T17:35:44+08:00", "utc": "1903-12-04T09:35:44Z", "ms": -2085229456464.9436 }, "end": { "local": "1903-12-04T19:28:45+08:00", "utc": "1903-12-04T11:28:45Z", "ms": -2085222674819.7715 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:24 on Fri 4 Dec to 02:13 on Sat 5 Dec.", "fact": "1903-12-03T20:23:47Z → 1903-12-04T18:12:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 3rd, 17:36–19:29 on the 4th.", "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 113 minutes on the 3rd and 113 of 113 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 24235 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1903: Friday 4 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": "1903-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-04", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1903 falls on Friday 4 December. Pūrṇimā runs from 04:24 on Fri 4 Dec to 02:13 on Sat 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/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/1903/sankashta-chaturthi?on=1903-12-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9821, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-12-07T17:48:16+08:00", "utc": "1903-12-07T09:48:16Z", "ms": -2084969503681.1333 }, "end": { "local": "1903-12-08T14:54:59+08:00", "utc": "1903-12-08T06:54:59Z", "ms": -2084893501049.8093 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-07T17:48:16+08:00", "utc": "1903-12-07T09:48:16Z", "ms": -2084969503681.1333 }, "end": { "local": "1903-12-08T14:54:59+08:00", "utc": "1903-12-08T06:54:59Z", "ms": -2084893501049.8093 } }, "kaala": "moonrise", "days": [ { "local_date": "1903-12-07", "window": { "start": { "local": "1903-12-07T20:31:57+08:00", "utc": "1903-12-07T12:31:57Z", "ms": -2084959682752.5383 }, "end": { "local": "1903-12-07T20:31:57+08:00", "utc": "1903-12-07T12:31:57Z", "ms": -2084959682752.5383 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-12-08", "window": { "start": { "local": "1903-12-08T21:38:23+08:00", "utc": "1903-12-08T13:38:23Z", "ms": -2084869297248.9087 }, "end": { "local": "1903-12-08T21:38:23+08:00", "utc": "1903-12-08T13:38:23Z", "ms": -2084869297248.9087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:48 on Mon 7 Dec to 14:55 on Tue 8 Dec.", "fact": "1903-12-07T09:48:16Z → 1903-12-08T06:54:59Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 7th and 21:38 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9821 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1903: Monday 7 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": "1903-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-07", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1903 falls on Monday 7 December. Caturthī runs from 17:48 on Mon 7 Dec to 14:55 on Tue 8 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/sankashta-chaturthi?on=1903-12-07", "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/1903/ekadashi?on=1903-12-14", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13734, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-12-14T04:01:45+08:00", "utc": "1903-12-13T20:01:45Z", "ms": -2084414294913.7961 }, "end": { "local": "1903-12-15T03:34:12+08:00", "utc": "1903-12-14T19:34:12Z", "ms": -2084329548153.2263 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-14T04:01:45+08:00", "utc": "1903-12-13T20:01:45Z", "ms": -2084414294913.7961 }, "end": { "local": "1903-12-15T03:34:12+08:00", "utc": "1903-12-14T19:34:12Z", "ms": -2084329548153.2263 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-12-14", "window": { "start": { "local": "1903-12-14T07:50:39+08:00", "utc": "1903-12-13T23:50:39Z", "ms": -2084400560696.8628 }, "end": { "local": "1903-12-14T07:50:39+08:00", "utc": "1903-12-13T23:50:39Z", "ms": -2084400560696.8628 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-12-15", "window": { "start": { "local": "1903-12-15T07:51:22+08:00", "utc": "1903-12-14T23:51:22Z", "ms": -2084314118139.8298 }, "end": { "local": "1903-12-15T07:51:22+08:00", "utc": "1903-12-14T23:51:22Z", "ms": -2084314118139.8298 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:02 on Mon 14 Dec to 03:34 on Tue 15 Dec.", "fact": "1903-12-13T20:01:45Z → 1903-12-14T19:34:12Z" }, { "step": "kaala", "text": "Sunrise is at 07:51 on the 14th and 07:51 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13734 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1903: Monday 14 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": "1903-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-14", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1903 falls on Monday 14 December. Ekādaśī runs from 04:02 on Mon 14 Dec to 03:34 on Tue 15 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1903/pradosha-vrata?on=1903-12-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28670, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-12-16T03:28:36+08:00", "utc": "1903-12-15T19:28:36Z", "ms": -2084243484276.0754 }, "end": { "local": "1903-12-17T03:44:45+08:00", "utc": "1903-12-16T19:44:45Z", "ms": -2084156114584.2234 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-16T03:28:36+08:00", "utc": "1903-12-15T19:28:36Z", "ms": -2084243484276.0754 }, "end": { "local": "1903-12-17T03:44:45+08:00", "utc": "1903-12-16T19:44:45Z", "ms": -2084156114584.2234 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-12-15", "window": { "start": { "local": "1903-12-15T17:36:43+08:00", "utc": "1903-12-15T09:36:43Z", "ms": -2084278997400.1665 }, "end": { "local": "1903-12-15T19:30:45+08:00", "utc": "1903-12-15T11:30:45Z", "ms": -2084272154664.1436 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1903-12-16", "window": { "start": { "local": "1903-12-16T17:37:00+08:00", "utc": "1903-12-16T09:37:00Z", "ms": -2084192580213.7676 }, "end": { "local": "1903-12-16T19:31:06+08:00", "utc": "1903-12-16T11:31:06Z", "ms": -2084185734447.366 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:29 on Wed 16 Dec to 03:45 on Thu 17 Dec.", "fact": "1903-12-15T19:28:36Z → 1903-12-16T19:44:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:31 on the 15th, 17:37–19:31 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 15th and 114 of 114 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28670 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1903: Wednesday 16 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": "1903-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-16", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1903 falls on Wednesday 16 December. Trayodaśī runs from 03:29 on Wed 16 Dec to 03:45 on Thu 17 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1903/pradosha-vrata?on=1903-12-16", "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/1903/shivaratri?on=1903-12-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9354, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1903-12-17T03:44:45+08:00", "utc": "1903-12-16T19:44:45Z", "ms": -2084156114584.2234 }, "end": { "local": "1903-12-18T04:23:23+08:00", "utc": "1903-12-17T20:23:23Z", "ms": -2084067396932.3633 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-17T03:44:45+08:00", "utc": "1903-12-16T19:44:45Z", "ms": -2084156114584.2234 }, "end": { "local": "1903-12-18T04:23:23+08:00", "utc": "1903-12-17T20:23:23Z", "ms": -2084067396932.3633 } }, "kaala": "nishita", "days": [ { "local_date": "1903-12-16", "window": { "start": { "local": "1903-12-17T00:20:51+08:00", "utc": "1903-12-16T16:20:51Z", "ms": -2084168348589.7617 }, "end": { "local": "1903-12-17T01:08:51+08:00", "utc": "1903-12-16T17:08:51Z", "ms": -2084165468589.7617 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1903-12-17", "window": { "start": { "local": "1903-12-18T00:21:20+08:00", "utc": "1903-12-17T16:21:20Z", "ms": -2084081919789.0854 }, "end": { "local": "1903-12-18T01:09:20+08:00", "utc": "1903-12-17T17:09:20Z", "ms": -2084079039789.0854 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:45 on Thu 17 Dec to 04:23 on Fri 18 Dec.", "fact": "1903-12-16T19:44:45Z → 1903-12-17T20:23:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 16th, 00:21–01:09 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9354 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1903: Thursday 17 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": "1903-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1903 falls on Thursday 17 December. Caturdaśī runs from 03:45 on Thu 17 Dec to 04:23 on Fri 18 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1903/shivaratri?on=1903-12-17", "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/1903/vinayaka-chaturthi?on=1903-12-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1517, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1903-12-22T11:02:43+08:00", "utc": "1903-12-22T03:02:43Z", "ms": -2083697837470.7944 }, "end": { "local": "1903-12-23T13:37:19+08:00", "utc": "1903-12-23T05:37:19Z", "ms": -2083602161126.4355 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-22T11:02:43+08:00", "utc": "1903-12-22T03:02:43Z", "ms": -2083697837470.7944 }, "end": { "local": "1903-12-23T13:37:19+08:00", "utc": "1903-12-23T05:37:19Z", "ms": -2083602161126.4355 } }, "kaala": "madhyahna", "days": [ { "local_date": "1903-12-22", "window": { "start": { "local": "1903-12-22T12:23:31+08:00", "utc": "1903-12-22T04:23:31Z", "ms": -2083692988765.407 }, "end": { "local": "1903-12-22T13:11:31+08:00", "utc": "1903-12-22T05:11:31Z", "ms": -2083690108765.407 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1903-12-23", "window": { "start": { "local": "1903-12-23T12:24:02+08:00", "utc": "1903-12-23T04:24:02Z", "ms": -2083606558414.7139 }, "end": { "local": "1903-12-23T13:12:02+08:00", "utc": "1903-12-23T05:12:02Z", "ms": -2083603678414.7139 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:03 on Tue 22 Dec to 13:37 on Wed 23 Dec.", "fact": "1903-12-22T03:02:43Z → 1903-12-23T05:37:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 22nd, 12:24–13:12 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1517 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1903: Tuesday 22 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1903-12-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-22", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1903 falls on Tuesday 22 December. Caturthī runs from 11:03 on Tue 22 Dec to 13:37 on Wed 23 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1903/vinayaka-chaturthi?on=1903-12-22", "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/1903/ekadashi?on=1903-12-30", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1903, "local_date": "1903-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27004, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1903-12-30T00:28:56+08:00", "utc": "1903-12-29T16:28:56Z", "ms": -2083044663915.769 }, "end": { "local": "1903-12-30T23:47:30+08:00", "utc": "1903-12-30T15:47:30Z", "ms": -2082960749613.2666 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-30T00:28:56+08:00", "utc": "1903-12-29T16:28:56Z", "ms": -2083044663915.769 }, "end": { "local": "1903-12-30T23:47:30+08:00", "utc": "1903-12-30T15:47:30Z", "ms": -2082960749613.2666 } }, "kaala": "sunrise", "days": [ { "local_date": "1903-12-30", "window": { "start": { "local": "1903-12-30T07:59:00+08:00", "utc": "1903-12-29T23:59:00Z", "ms": -2083017660362.6208 }, "end": { "local": "1903-12-30T07:59:00+08:00", "utc": "1903-12-29T23:59:00Z", "ms": -2083017660362.6208 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1903-12-31", "window": { "start": { "local": "1903-12-31T07:59:16+08:00", "utc": "1903-12-30T23:59:16Z", "ms": -2082931243599.5088 }, "end": { "local": "1903-12-31T07:59:16+08:00", "utc": "1903-12-30T23:59:16Z", "ms": -2082931243599.5088 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:29 on Wed 30 Dec to 23:48 on Wed 30 Dec.", "fact": "1903-12-29T16:28:56Z → 1903-12-30T15:47:30Z" }, { "step": "kaala", "text": "Sunrise is at 07:59 on the 30th and 07:59 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27004 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1903: Wednesday 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": "1903-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1903-12-30", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1903 falls on Wednesday 30 December. Ekādaśī runs from 00:29 on Wed 30 Dec to 23:48 on Wed 30 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1903/ekadashi?on=1903-12-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }