{ "id": "/qingyang/festivals/1904", "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": 1904, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-01-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1093, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1903-12-31T22:14:53+08:00", "utc": "1903-12-31T14:14:53Z", "ms": -2082879907137.929 }, "end": { "local": "1904-01-01T19:57:37+08:00", "utc": "1904-01-01T11:57:37Z", "ms": -2082801743110.4478 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1903-12-31T22:14:53+08:00", "utc": "1903-12-31T14:14:53Z", "ms": -2082879907137.929 }, "end": { "local": "1904-01-01T19:57:37+08:00", "utc": "1904-01-01T11:57:37Z", "ms": -2082801743110.4478 } }, "kaala": "pradosha", "days": [ { "local_date": "1903-12-31", "window": { "start": { "local": "1903-12-31T17:44:47+08:00", "utc": "1903-12-31T09:44:47Z", "ms": -2082896112915.6572 }, "end": { "local": "1903-12-31T19:38:45+08:00", "utc": "1903-12-31T11:38:45Z", "ms": -2082889275021.9514 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1904-01-01", "window": { "start": { "local": "1904-01-01T17:45:31+08:00", "utc": "1904-01-01T09:45:31Z", "ms": -2082809669451.1687 }, "end": { "local": "1904-01-01T19:39:24+08:00", "utc": "1904-01-01T11:39:24Z", "ms": -2082802835620.077 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:15 on Thu 31 Dec to 19:58 on Fri 1 Jan.", "fact": "1903-12-31T14:14:53Z → 1904-01-01T11:57:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:39 on the 31st, 17:46–19:39 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 31st and 114 of 114 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1093 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Friday 1 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": "1904-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-01", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Friday 1 January. Trayodaśī runs from 22:15 on Thu 31 Dec to 19:58 on Fri 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-01-01", "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/1904/sankashta-chaturthi?on=1904-01-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9125, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-01-06T03:17:25+08:00", "utc": "1904-01-05T19:17:25Z", "ms": -2082429754934.4988 }, "end": { "local": "1904-01-07T00:09:59+08:00", "utc": "1904-01-06T16:09:59Z", "ms": -2082354601155.604 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-06T03:17:25+08:00", "utc": "1904-01-05T19:17:25Z", "ms": -2082429754934.4988 }, "end": { "local": "1904-01-07T00:09:59+08:00", "utc": "1904-01-06T16:09:59Z", "ms": -2082354601155.604 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-01-05", "window": { "start": { "local": "1904-01-05T20:28:39+08:00", "utc": "1904-01-05T12:28:39Z", "ms": -2082454280661.5461 }, "end": { "local": "1904-01-05T20:28:39+08:00", "utc": "1904-01-05T12:28:39Z", "ms": -2082454280661.5461 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-01-06", "window": { "start": { "local": "1904-01-06T21:37:54+08:00", "utc": "1904-01-06T13:37:54Z", "ms": -2082363725719.5933 }, "end": { "local": "1904-01-06T21:37:54+08:00", "utc": "1904-01-06T13:37:54Z", "ms": -2082363725719.5933 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:17 on Wed 6 Jan to 00:10 on Thu 7 Jan.", "fact": "1904-01-05T19:17:25Z → 1904-01-06T16:09:59Z" }, { "step": "kaala", "text": "Moonrise is at 20:29 on the 5th and 21:38 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9125 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Wednesday 6 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": "1904-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-06", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Wednesday 6 January. Caturthī runs from 03:17 on Wed 6 Jan to 00:10 on Thu 7 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26254, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-02-12T23:37:04+08:00", "utc": "1904-02-12T15:37:04Z", "ms": -2079159776243.039 } }, "span": { "of": "transit", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 } }, "kaala": "sunset-day", "days": [ { "local_date": "1904-01-14", "window": { "start": { "local": "1904-01-13T17:55:42+08:00", "utc": "1904-01-13T09:55:42Z", "ms": -2081772258053.2996 }, "end": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1904-01-15", "window": { "start": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 }, "end": { "local": "1904-01-15T17:57:37+08:00", "utc": "1904-01-15T09:57:37Z", "ms": -2081599343310.2676 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1904-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:39 on Thu 14 Jan.", "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 26254 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1904: Wednesday 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": "1904-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1904-01-13", "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": "1904-01-13", "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, Bhogi 1904 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 10:39 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-01-13", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30812, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-01-12T16:33:41+08:00", "utc": "1904-01-12T08:33:41Z", "ms": -2081863579401.3694 }, "end": { "local": "1904-01-13T17:13:43+08:00", "utc": "1904-01-13T09:13:43Z", "ms": -2081774777497.1284 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-12T16:33:41+08:00", "utc": "1904-01-12T08:33:41Z", "ms": -2081863579401.3694 }, "end": { "local": "1904-01-13T17:13:43+08:00", "utc": "1904-01-13T09:13:43Z", "ms": -2081774777497.1284 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-01-12", "window": { "start": { "local": "1904-01-12T08:00:08+08:00", "utc": "1904-01-12T00:00:08Z", "ms": -2081894391639.753 }, "end": { "local": "1904-01-12T08:00:08+08:00", "utc": "1904-01-12T00:00:08Z", "ms": -2081894391639.753 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-01-13", "window": { "start": { "local": "1904-01-13T08:00:00+08:00", "utc": "1904-01-13T00:00:00Z", "ms": -2081807999904.4646 }, "end": { "local": "1904-01-13T08:00:00+08:00", "utc": "1904-01-13T00:00:00Z", "ms": -2081807999904.4646 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:34 on Tue 12 Jan to 17:14 on Wed 13 Jan.", "fact": "1904-01-12T08:33:41Z → 1904-01-13T09:13:43Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 12th and 08:00 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30812 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1904: Wednesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-13", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1904 falls on Wednesday 13 January. Ekādaśī runs from 16:34 on Tue 12 Jan to 17:14 on Wed 13 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26254, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-02-12T23:37:04+08:00", "utc": "1904-02-12T15:37:04Z", "ms": -2079159776243.039 } }, "span": { "of": "transit", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 } }, "kaala": "sunset-day", "days": [ { "local_date": "1904-01-14", "window": { "start": { "local": "1904-01-13T17:55:42+08:00", "utc": "1904-01-13T09:55:42Z", "ms": -2081772258053.2996 }, "end": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1904-01-15", "window": { "start": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 }, "end": { "local": "1904-01-15T17:57:37+08:00", "utc": "1904-01-15T09:57:37Z", "ms": -2081599343310.2676 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:39 on Thu 14 Jan.", "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 26254 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1904: Thursday 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": "1904-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1904-01-14", "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": "1904-01-14", "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, Pongal 1904 falls on Thursday 14 January. The Sun enters Makara at 10:39 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38345, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-02-12T23:37:04+08:00", "utc": "1904-02-12T15:37:04Z", "ms": -2079159776243.039 } }, "span": { "of": "transit", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 } }, "kaala": "civil-day", "days": [ { "local_date": "1904-01-13", "window": { "start": { "local": "1904-01-13T00:00:00+08:00", "utc": "1904-01-12T16:00:00Z", "ms": -2081836800000 }, "end": { "local": "1904-01-14T00:00:00+08:00", "utc": "1904-01-13T16:00:00Z", "ms": -2081750400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1904-01-14", "window": { "start": { "local": "1904-01-14T00:00:00+08:00", "utc": "1904-01-13T16:00:00Z", "ms": -2081750400000 }, "end": { "local": "1904-01-15T00:00:00+08:00", "utc": "1904-01-14T16:00:00Z", "ms": -2081664000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:39 on Thu 14 Jan.", "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Qingyang.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 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 38345 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1904: Thursday 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": "1904-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1904-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1904-01-14", "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 1904 falls on Thursday 14 January. The Sun enters Makara at 10:39 on Thu 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26254, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-02-12T23:37:04+08:00", "utc": "1904-02-12T15:37:04Z", "ms": -2079159776243.039 } }, "span": { "of": "transit", "start": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 }, "end": { "local": "1904-01-14T10:39:05+08:00", "utc": "1904-01-14T02:39:05Z", "ms": -2081712054929.9417 } }, "kaala": "sunset-day", "days": [ { "local_date": "1904-01-14", "window": { "start": { "local": "1904-01-13T17:55:42+08:00", "utc": "1904-01-13T09:55:42Z", "ms": -2081772258053.2996 }, "end": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1904-01-15", "window": { "start": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 }, "end": { "local": "1904-01-15T17:57:37+08:00", "utc": "1904-01-15T09:57:37Z", "ms": -2081599343310.2676 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1904-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:39 on Thu 14 Jan.", "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:57, and the day of the 15th ends at 17:58.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 26254 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1904: Friday 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": "1904-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1904-01-15", "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": "1904-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Mattu Pongal 1904 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 10:39 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-01-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-15", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 69, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-01-14T18:19:43+08:00", "utc": "1904-01-14T10:19:43Z", "ms": -2081684416765.8425 }, "end": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-14T18:19:43+08:00", "utc": "1904-01-14T10:19:43Z", "ms": -2081684416765.8425 }, "end": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-01-14", "window": { "start": { "local": "1904-01-14T17:56:39+08:00", "utc": "1904-01-14T09:56:39Z", "ms": -2081685801030.3774 }, "end": { "local": "1904-01-14T19:49:03+08:00", "utc": "1904-01-14T11:49:03Z", "ms": -2081679057194.0474 } }, "covered_min": 89, "window_min": 112, "qualifies": true }, { "local_date": "1904-01-15", "window": { "start": { "local": "1904-01-15T17:57:37+08:00", "utc": "1904-01-15T09:57:37Z", "ms": -2081599343310.2676 }, "end": { "local": "1904-01-15T19:49:51+08:00", "utc": "1904-01-15T11:49:51Z", "ms": -2081592609047.4158 } }, "covered_min": 111, "window_min": 112, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:20 on Thu 14 Jan to 19:49 on Fri 15 Jan.", "fact": "1904-01-14T10:19:43Z → 1904-01-15T11:48:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:49 on the 14th, 17:58–19:50 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 112 minutes on the 14th and 111 of 112 on the 15th.", "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 69 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Friday 15 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": "1904-01-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-14", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Friday 15 January. Trayodaśī runs from 18:20 on Thu 14 Jan to 19:49 on Fri 15 Jan and covers 111 of 112 minutes of pradoṣa that evening. It also reaches the previous evening for 89 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 09 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-01-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10592, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 }, "end": { "local": "1904-01-16T21:38:19+08:00", "utc": "1904-01-16T13:38:19Z", "ms": -2081499700915.7717 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 }, "end": { "local": "1904-01-16T21:38:19+08:00", "utc": "1904-01-16T13:38:19Z", "ms": -2081499700915.7717 } }, "kaala": "nishita", "days": [ { "local_date": "1904-01-15", "window": { "start": { "local": "1904-01-16T00:34:30+08:00", "utc": "1904-01-15T16:34:30Z", "ms": -2081575529824.5737 }, "end": { "local": "1904-01-16T01:22:30+08:00", "utc": "1904-01-15T17:22:30Z", "ms": -2081572649824.5737 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-01-16", "window": { "start": { "local": "1904-01-17T00:34:51+08:00", "utc": "1904-01-16T16:34:51Z", "ms": -2081489108647.0022 }, "end": { "local": "1904-01-17T01:22:51+08:00", "utc": "1904-01-16T17:22:51Z", "ms": -2081486228647.0022 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:49 on Fri 15 Jan to 21:38 on Sat 16 Jan.", "fact": "1904-01-15T11:48:42Z → 1904-01-16T13:38:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 15th, 00:35–01:23 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10592 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Friday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Friday 15 January. Caturdaśī runs from 19:49 on Fri 15 Jan to 21:38 on Sat 16 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30524, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 }, "end": { "local": "1904-01-16T21:38:19+08:00", "utc": "1904-01-16T13:38:19Z", "ms": -2081499700915.7717 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-15T19:48:42+08:00", "utc": "1904-01-15T11:48:42Z", "ms": -2081592677707.7463 }, "end": { "local": "1904-01-16T21:38:19+08:00", "utc": "1904-01-16T13:38:19Z", "ms": -2081499700915.7717 } }, "kaala": "arunodaya", "days": [ { "local_date": "1904-01-16", "window": { "start": { "local": "1904-01-16T06:07:09+08:00", "utc": "1904-01-15T22:07:09Z", "ms": -2081555570601.7317 }, "end": { "local": "1904-01-16T07:59:24+08:00", "utc": "1904-01-15T23:59:24Z", "ms": -2081548836338.88 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1904-01-17", "window": { "start": { "local": "1904-01-17T06:07:03+08:00", "utc": "1904-01-16T22:07:03Z", "ms": -2081469176694.9822 }, "end": { "local": "1904-01-17T07:59:08+08:00", "utc": "1904-01-16T23:59:08Z", "ms": -2081462452348.7932 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:49 on Fri 15 Jan to 21:38 on Sat 16 Jan.", "fact": "1904-01-15T11:48:42Z → 1904-01-16T13:38:19Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:07–07:59 on the 16th, 06:07–07:59 on the 17th.", "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 112 of 112 minutes on the 16th and 0 of 112 on the 17th.", "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 30524 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1904: Saturday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-16", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1904 falls on Saturday 16 January. Caturdaśī runs from 19:49 on Fri 15 Jan to 21:38 on Sat 16 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8591, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-01-21T07:31:52+08:00", "utc": "1904-01-20T23:31:52Z", "ms": -2081118488281.997 }, "end": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-21T07:31:52+08:00", "utc": "1904-01-20T23:31:52Z", "ms": -2081118488281.997 }, "end": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-01-21", "window": { "start": { "local": "1904-01-21T12:36:40+08:00", "utc": "1904-01-21T04:36:40Z", "ms": -2081100200367.2822 }, "end": { "local": "1904-01-21T13:24:40+08:00", "utc": "1904-01-21T05:24:40Z", "ms": -2081097320367.2822 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-01-22", "window": { "start": { "local": "1904-01-22T12:36:57+08:00", "utc": "1904-01-22T04:36:57Z", "ms": -2081013782533.972 }, "end": { "local": "1904-01-22T13:24:57+08:00", "utc": "1904-01-22T05:24:57Z", "ms": -2081010902533.972 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:32 on Thu 21 Jan to 10:14 on Fri 22 Jan.", "fact": "1904-01-20T23:31:52Z → 1904-01-22T02:13:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 21st, 12:37–13:25 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8591 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1904: Thursday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-21", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1904 falls on Thursday 21 January. Caturthī runs from 07:32 on Thu 21 Jan to 10:14 on Fri 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28249, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-01-21T07:31:52+08:00", "utc": "1904-01-20T23:31:52Z", "ms": -2081118488281.997 }, "end": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-21T07:31:52+08:00", "utc": "1904-01-20T23:31:52Z", "ms": -2081118488281.997 }, "end": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-01-21", "window": { "start": { "local": "1904-01-21T18:03:35+08:00", "utc": "1904-01-21T10:03:35Z", "ms": -2081080585224.5112 }, "end": { "local": "1904-01-21T19:54:45+08:00", "utc": "1904-01-21T11:54:45Z", "ms": -2081073915331.2712 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1904-01-22", "window": { "start": { "local": "1904-01-22T18:04:36+08:00", "utc": "1904-01-22T10:04:36Z", "ms": -2080994124042.7317 }, "end": { "local": "1904-01-22T19:55:34+08:00", "utc": "1904-01-22T11:55:34Z", "ms": -2080987465957.3684 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:32 on Thu 21 Jan to 10:14 on Fri 22 Jan.", "fact": "1904-01-20T23:31:52Z → 1904-01-22T02:13:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:55 on the 21st, 18:05–19:56 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 111 of 111 minutes on the 21st and 0 of 111 on the 22nd.", "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 28249 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1904: Thursday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-21", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1904 falls on Thursday 21 January. Caturthī runs from 07:32 on Thu 21 Jan to 10:14 on Fri 22 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 339, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "end": { "local": "1904-01-23T12:42:53+08:00", "utc": "1904-01-23T04:42:53Z", "ms": -2080927026580.78 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "end": { "local": "1904-01-23T12:42:53+08:00", "utc": "1904-01-23T04:42:53Z", "ms": -2080927026580.78 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-01-22", "window": { "start": { "local": "1904-01-22T12:36:57+08:00", "utc": "1904-01-22T04:36:57Z", "ms": -2081013782533.972 }, "end": { "local": "1904-01-22T13:24:57+08:00", "utc": "1904-01-22T05:24:57Z", "ms": -2081010902533.972 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-01-23", "window": { "start": { "local": "1904-01-23T12:37:15+08:00", "utc": "1904-01-23T04:37:15Z", "ms": -2080927365479.4224 }, "end": { "local": "1904-01-23T13:25:15+08:00", "utc": "1904-01-23T05:25:15Z", "ms": -2080924485479.4224 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan.", "fact": "1904-01-22T02:13:46Z → 1904-01-23T04:42:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 22nd, 12:37–13:25 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 6 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 339 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1904: Friday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1904 falls on Friday 22 January. Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 6 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 339, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "end": { "local": "1904-01-23T12:42:53+08:00", "utc": "1904-01-23T04:42:53Z", "ms": -2080927026580.78 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-22T10:13:46+08:00", "utc": "1904-01-22T02:13:46Z", "ms": -2081022373536.7324 }, "end": { "local": "1904-01-23T12:42:53+08:00", "utc": "1904-01-23T04:42:53Z", "ms": -2080927026580.78 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-01-22", "window": { "start": { "local": "1904-01-22T12:36:57+08:00", "utc": "1904-01-22T04:36:57Z", "ms": -2081013782533.972 }, "end": { "local": "1904-01-22T13:24:57+08:00", "utc": "1904-01-22T05:24:57Z", "ms": -2081010902533.972 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-01-23", "window": { "start": { "local": "1904-01-23T12:37:15+08:00", "utc": "1904-01-23T04:37:15Z", "ms": -2080927365479.4224 }, "end": { "local": "1904-01-23T13:25:15+08:00", "utc": "1904-01-23T05:25:15Z", "ms": -2080924485479.4224 } }, "covered_min": 6, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan.", "fact": "1904-01-22T02:13:46Z → 1904-01-23T04:42:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 22nd, 12:37–13:25 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 6 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 339 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1904: Friday 22 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-22", "confidence": "boundary" } ], "quote": "In Qingyang, Vasanta Pañcamī 1904 falls on Friday 22 January. Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 6 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24634, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-01-24T14:46:56+08:00", "utc": "1904-01-24T06:46:56Z", "ms": -2080833183990.7456 }, "end": { "local": "1904-01-25T16:14:05+08:00", "utc": "1904-01-25T08:14:05Z", "ms": -2080741554636.9924 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-24T14:46:56+08:00", "utc": "1904-01-24T06:46:56Z", "ms": -2080833183990.7456 }, "end": { "local": "1904-01-25T16:14:05+08:00", "utc": "1904-01-25T08:14:05Z", "ms": -2080741554636.9924 } }, "kaala": "arunodaya", "days": [ { "local_date": "1904-01-24", "window": { "start": { "local": "1904-01-24T06:05:36+08:00", "utc": "1904-01-23T22:05:36Z", "ms": -2080864463616.046 }, "end": { "local": "1904-01-24T07:56:22+08:00", "utc": "1904-01-23T23:56:22Z", "ms": -2080857817625.2317 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1904-01-25", "window": { "start": { "local": "1904-01-25T06:05:18+08:00", "utc": "1904-01-24T22:05:18Z", "ms": -2080778082292.8997 }, "end": { "local": "1904-01-25T07:55:51+08:00", "utc": "1904-01-24T23:55:51Z", "ms": -2080771448675.0835 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:47 on Sun 24 Jan to 16:14 on Mon 25 Jan.", "fact": "1904-01-24T06:46:56Z → 1904-01-25T08:14:05Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:06–07:56 on the 24th, 06:05–07:56 on the 25th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 111 minutes on the 24th and 111 of 111 on the 25th.", "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 24634 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1904: Monday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-25", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1904 falls on Monday 25 January. Saptamī runs from 14:47 on Sun 24 Jan to 16:14 on Mon 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-01-29", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21154, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-01-28T15:39:55+08:00", "utc": "1904-01-28T07:39:55Z", "ms": -2080484405086.6763 }, "end": { "local": "1904-01-29T13:46:03+08:00", "utc": "1904-01-29T05:46:03Z", "ms": -2080404837077.6658 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-28T15:39:55+08:00", "utc": "1904-01-28T07:39:55Z", "ms": -2080484405086.6763 }, "end": { "local": "1904-01-29T13:46:03+08:00", "utc": "1904-01-29T05:46:03Z", "ms": -2080404837077.6658 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-01-28", "window": { "start": { "local": "1904-01-28T07:54:07+08:00", "utc": "1904-01-27T23:54:07Z", "ms": -2080512352580.1467 }, "end": { "local": "1904-01-28T07:54:07+08:00", "utc": "1904-01-27T23:54:07Z", "ms": -2080512352580.1467 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-01-29", "window": { "start": { "local": "1904-01-29T07:53:29+08:00", "utc": "1904-01-28T23:53:29Z", "ms": -2080425990722.7676 }, "end": { "local": "1904-01-29T07:53:29+08:00", "utc": "1904-01-28T23:53:29Z", "ms": -2080425990722.7676 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:40 on Thu 28 Jan to 13:46 on Fri 29 Jan.", "fact": "1904-01-28T07:39:55Z → 1904-01-29T05:46:03Z" }, { "step": "kaala", "text": "Sunrise is at 07:54 on the 28th and 07:53 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21154 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1904: Friday 29 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": "1904-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-29", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1904 falls on Friday 29 January. Ekādaśī runs from 15:40 on Thu 28 Jan to 13:46 on Fri 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1163, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-01-29T13:46:03+08:00", "utc": "1904-01-29T05:46:03Z", "ms": -2080404837077.6658 }, "end": { "local": "1904-01-30T11:08:50+08:00", "utc": "1904-01-30T03:08:50Z", "ms": -2080327870013.9353 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-29T13:46:03+08:00", "utc": "1904-01-29T05:46:03Z", "ms": -2080404837077.6658 }, "end": { "local": "1904-01-30T11:08:50+08:00", "utc": "1904-01-30T03:08:50Z", "ms": -2080327870013.9353 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-01-29", "window": { "start": { "local": "1904-01-29T12:38:40+08:00", "utc": "1904-01-29T04:38:40Z", "ms": -2080408880136.0806 }, "end": { "local": "1904-01-29T13:26:40+08:00", "utc": "1904-01-29T05:26:40Z", "ms": -2080406000136.0806 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-01-30", "window": { "start": { "local": "1904-01-30T12:38:51+08:00", "utc": "1904-01-30T04:38:51Z", "ms": -2080322468810.123 }, "end": { "local": "1904-01-30T13:26:51+08:00", "utc": "1904-01-30T05:26:51Z", "ms": -2080319588810.123 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:46 on Fri 29 Jan to 11:09 on Sat 30 Jan.", "fact": "1904-01-29T05:46:03Z → 1904-01-30T03:08:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 29th, 12:39–13:27 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1163 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1904: Saturday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-29", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1904 falls on Saturday 30 January. Dvādaśī runs from 13:46 on Fri 29 Jan to 11:09 on Sat 30 Jan, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-01-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25443, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-01-30T11:08:50+08:00", "utc": "1904-01-30T03:08:50Z", "ms": -2080327870013.9353 }, "end": { "local": "1904-01-31T07:57:12+08:00", "utc": "1904-01-30T23:57:12Z", "ms": -2080252968076.5767 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-01-30T11:08:50+08:00", "utc": "1904-01-30T03:08:50Z", "ms": -2080327870013.9353 }, "end": { "local": "1904-01-31T07:57:12+08:00", "utc": "1904-01-30T23:57:12Z", "ms": -2080252968076.5767 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-01-30", "window": { "start": { "local": "1904-01-30T18:12:53+08:00", "utc": "1904-01-30T10:12:53Z", "ms": -2080302427044.333 }, "end": { "local": "1904-01-30T20:02:07+08:00", "utc": "1904-01-30T12:02:07Z", "ms": -2080295873053.2148 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1904-01-31", "window": { "start": { "local": "1904-01-31T18:13:55+08:00", "utc": "1904-01-31T10:13:55Z", "ms": -2080215964527.2886 }, "end": { "local": "1904-01-31T20:02:55+08:00", "utc": "1904-01-31T12:02:55Z", "ms": -2080209424630.0125 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:09 on Sat 30 Jan to 07:57 on Sun 31 Jan.", "fact": "1904-01-30T03:08:50Z → 1904-01-30T23:57:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–20:02 on the 30th, 18:14–20:03 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 30th and 0 of 109 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25443 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Saturday 30 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": "1904-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-01-30", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Saturday 30 January. Trayodaśī runs from 11:09 on Sat 30 Jan to 07:57 on Sun 31 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-01-30", "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/1904/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29858, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-02-01T04:21:33+08:00", "utc": "1904-01-31T20:21:33Z", "ms": -2080179506774.7307 }, "end": { "local": "1904-02-02T00:33:02+08:00", "utc": "1904-02-01T16:33:02Z", "ms": -2080106818394.4094 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1904-02-01T04:21:33+08:00", "utc": "1904-01-31T20:21:33Z", "ms": -2080179506774.7307 }, "end": { "local": "1904-02-02T00:33:02+08:00", "utc": "1904-02-01T16:33:02Z", "ms": -2080106818394.4094 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-02-01", "window": { "start": { "local": "1904-02-01T12:39:11+08:00", "utc": "1904-02-01T04:39:11Z", "ms": -2080149648660.7593 }, "end": { "local": "1904-02-01T13:27:11+08:00", "utc": "1904-02-01T05:27:11Z", "ms": -2080146768660.7593 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-02-02", "window": { "start": { "local": "1904-02-02T12:39:20+08:00", "utc": "1904-02-02T04:39:20Z", "ms": -2080063239830.8472 }, "end": { "local": "1904-02-02T13:27:20+08:00", "utc": "1904-02-02T05:27:20Z", "ms": -2080060359830.8472 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:22 on Mon 1 Feb to 00:33 on Tue 2 Feb.", "fact": "1904-01-31T20:21:33Z → 1904-02-01T16:33:02Z" }, { "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": "Pūrṇimā 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: paraviddha → only-day · margin 29858 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1904: Monday 1 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": "1904-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-01", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1904 falls on Monday 1 February. Pūrṇimā runs from 04:22 on Mon 1 Feb to 00:33 on Tue 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-02-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28400, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-02-04T13:40:50+08:00", "utc": "1904-02-04T05:40:50Z", "ms": -2079886749879.0234 }, "end": { "local": "1904-02-05T10:48:12+08:00", "utc": "1904-02-05T02:48:12Z", "ms": -2079810708164.468 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-04T13:40:50+08:00", "utc": "1904-02-04T05:40:50Z", "ms": -2079886749879.0234 }, "end": { "local": "1904-02-05T10:48:12+08:00", "utc": "1904-02-05T02:48:12Z", "ms": -2079810708164.468 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-02-04", "window": { "start": { "local": "1904-02-04T21:34:10+08:00", "utc": "1904-02-04T13:34:10Z", "ms": -2079858350102.192 }, "end": { "local": "1904-02-04T21:34:10+08:00", "utc": "1904-02-04T13:34:10Z", "ms": -2079858350102.192 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-02-05", "window": { "start": { "local": "1904-02-05T22:41:30+08:00", "utc": "1904-02-05T14:41:30Z", "ms": -2079767910432.0735 }, "end": { "local": "1904-02-05T22:41:30+08:00", "utc": "1904-02-05T14:41:30Z", "ms": -2079767910432.0735 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:41 on Thu 4 Feb to 10:48 on Fri 5 Feb.", "fact": "1904-02-04T05:40:50Z → 1904-02-05T02:48:12Z" }, { "step": "kaala", "text": "Moonrise is at 21:34 on the 4th and 22:41 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28400 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Thursday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-04", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Thursday 4 February. Caturthī runs from 13:41 on Thu 4 Feb to 10:48 on Fri 5 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-02-12", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-12", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 44, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-02-11T07:43:33+08:00", "utc": "1904-02-10T23:43:33Z", "ms": -2079303387067.6309 }, "end": { "local": "1904-02-12T09:24:56+08:00", "utc": "1904-02-12T01:24:56Z", "ms": -2079210903667.1655 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-11T07:43:33+08:00", "utc": "1904-02-10T23:43:33Z", "ms": -2079303387067.6309 }, "end": { "local": "1904-02-12T09:24:56+08:00", "utc": "1904-02-12T01:24:56Z", "ms": -2079210903667.1655 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-02-11", "window": { "start": { "local": "1904-02-11T07:42:49+08:00", "utc": "1904-02-10T23:42:49Z", "ms": -2079303430991.9062 }, "end": { "local": "1904-02-11T07:42:49+08:00", "utc": "1904-02-10T23:42:49Z", "ms": -2079303430991.9062 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-02-12", "window": { "start": { "local": "1904-02-12T07:41:50+08:00", "utc": "1904-02-11T23:41:50Z", "ms": -2079217090251.4243 }, "end": { "local": "1904-02-12T07:41:50+08:00", "utc": "1904-02-11T23:41:50Z", "ms": -2079217090251.4243 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:44 on Thu 11 Feb to 09:25 on Fri 12 Feb.", "fact": "1904-02-10T23:43:33Z → 1904-02-12T01:24:56Z" }, { "step": "kaala", "text": "Sunrise is at 07:43 on the 11th and 07:42 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 44 s < 300 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1904: Friday 12 February.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-02-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-12", "confidence": "boundary" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1904 falls on Friday 12 February. Ekādaśī runs from 07:44 on Thu 11 Feb to 09:25 on Fri 12 Feb and is current at sunrise that day. It is 0 min 44 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-02-12", "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/1904/pradosha-vrata?on=1904-02-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16567, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-02-13T11:30:00+08:00", "utc": "1904-02-13T03:30:00Z", "ms": -2079117000051.9575 }, "end": { "local": "1904-02-14T13:52:13+08:00", "utc": "1904-02-14T05:52:13Z", "ms": -2079022067116.2805 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-13T11:30:00+08:00", "utc": "1904-02-13T03:30:00Z", "ms": -2079117000051.9575 }, "end": { "local": "1904-02-14T13:52:13+08:00", "utc": "1904-02-14T05:52:13Z", "ms": -2079022067116.2805 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-02-13", "window": { "start": { "local": "1904-02-13T18:27:19+08:00", "utc": "1904-02-13T10:27:19Z", "ms": -2079091960538.6501 }, "end": { "local": "1904-02-13T20:12:59+08:00", "utc": "1904-02-13T12:12:59Z", "ms": -2079085620809.6848 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1904-02-14", "window": { "start": { "local": "1904-02-14T18:28:20+08:00", "utc": "1904-02-14T10:28:20Z", "ms": -2079005500050.7454 }, "end": { "local": "1904-02-14T20:13:43+08:00", "utc": "1904-02-14T12:13:43Z", "ms": -2078999176787.0498 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:30 on Sat 13 Feb to 13:52 on Sun 14 Feb.", "fact": "1904-02-13T03:30:00Z → 1904-02-14T05:52:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:13 on the 13th, 18:28–20:14 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 13th and 0 of 105 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16567 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Saturday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-13", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 13 February. Trayodaśī runs from 11:30 on Sat 13 Feb to 13:52 on Sun 14 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29634, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-02-14T13:52:13+08:00", "utc": "1904-02-14T05:52:13Z", "ms": -2079022067116.2805 }, "end": { "local": "1904-02-15T16:25:36+08:00", "utc": "1904-02-15T08:25:36Z", "ms": -2078926464090.0112 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-14T13:52:13+08:00", "utc": "1904-02-14T05:52:13Z", "ms": -2079022067116.2805 }, "end": { "local": "1904-02-15T16:25:36+08:00", "utc": "1904-02-15T08:25:36Z", "ms": -2078926464090.0112 } }, "kaala": "nishita", "days": [ { "local_date": "1904-02-14", "window": { "start": { "local": "1904-02-15T00:39:32+08:00", "utc": "1904-02-14T16:39:32Z", "ms": -2078983227811.8872 }, "end": { "local": "1904-02-15T01:27:32+08:00", "utc": "1904-02-14T17:27:32Z", "ms": -2078980347811.8872 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-02-15", "window": { "start": { "local": "1904-02-16T00:39:30+08:00", "utc": "1904-02-15T16:39:30Z", "ms": -2078896829804.2852 }, "end": { "local": "1904-02-16T01:27:30+08:00", "utc": "1904-02-15T17:27:30Z", "ms": -2078893949804.2852 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:52 on Sun 14 Feb to 16:26 on Mon 15 Feb.", "fact": "1904-02-14T05:52:13Z → 1904-02-15T08:25:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:40–01:28 on the 14th, 00:40–01:28 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 29634 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1904: Sunday 14 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": "1904-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-14", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1904 falls on Sunday 14 February. Caturdaśī runs from 13:52 on Sun 14 Feb to 16:26 on Mon 15 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-02-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28940, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-02-20T02:37:18+08:00", "utc": "1904-02-19T18:37:18Z", "ms": -2078544162254.096 }, "end": { "local": "1904-02-21T04:37:18+08:00", "utc": "1904-02-20T20:37:18Z", "ms": -2078450561869.3438 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-20T02:37:18+08:00", "utc": "1904-02-19T18:37:18Z", "ms": -2078544162254.096 }, "end": { "local": "1904-02-21T04:37:18+08:00", "utc": "1904-02-20T20:37:18Z", "ms": -2078450561869.3438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-02-20", "window": { "start": { "local": "1904-02-20T12:39:44+08:00", "utc": "1904-02-20T04:39:44Z", "ms": -2078508015662.696 }, "end": { "local": "1904-02-20T13:27:44+08:00", "utc": "1904-02-20T05:27:44Z", "ms": -2078505135662.696 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-02-21", "window": { "start": { "local": "1904-02-21T12:39:39+08:00", "utc": "1904-02-21T04:39:39Z", "ms": -2078421621378.8784 }, "end": { "local": "1904-02-21T13:27:39+08:00", "utc": "1904-02-21T05:27:39Z", "ms": -2078418741378.8784 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:37 on Sat 20 Feb to 04:37 on Sun 21 Feb.", "fact": "1904-02-19T18:37:18Z → 1904-02-20T20:37:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 20th, 12:40–13:28 on the 21st.", "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 20th and 0 of 48 on the 21st.", "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 28940 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Saturday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-20", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Saturday 20 February. Caturthī runs from 02:37 on Sat 20 Feb to 04:37 on Sun 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-02-20", "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/1904/ekadashi?on=1904-02-27", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14092, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-02-27T03:29:52+08:00", "utc": "1904-02-26T19:29:52Z", "ms": -2077936207985.074 }, "end": { "local": "1904-02-28T00:52:04+08:00", "utc": "1904-02-27T16:52:04Z", "ms": -2077859275648.7263 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-27T03:29:52+08:00", "utc": "1904-02-26T19:29:52Z", "ms": -2077936207985.074 }, "end": { "local": "1904-02-28T00:52:04+08:00", "utc": "1904-02-27T16:52:04Z", "ms": -2077859275648.7263 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-02-27", "window": { "start": { "local": "1904-02-27T07:24:44+08:00", "utc": "1904-02-26T23:24:44Z", "ms": -2077922115850.0605 }, "end": { "local": "1904-02-27T07:24:44+08:00", "utc": "1904-02-26T23:24:44Z", "ms": -2077922115850.0605 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-02-28", "window": { "start": { "local": "1904-02-28T07:23:28+08:00", "utc": "1904-02-27T23:23:28Z", "ms": -2077835791971.8345 }, "end": { "local": "1904-02-28T07:23:28+08:00", "utc": "1904-02-27T23:23:28Z", "ms": -2077835791971.8345 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:30 on Sat 27 Feb to 00:52 on Sun 28 Feb.", "fact": "1904-02-26T19:29:52Z → 1904-02-27T16:52:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:25 on the 27th and 07:23 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14092 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1904: Saturday 27 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": "1904-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-27", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1904 falls on Saturday 27 February. Ekādaśī runs from 03:30 on Sat 27 Feb to 00:52 on Sun 28 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-02-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-02-28", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1732, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-02-28T21:43:50+08:00", "utc": "1904-02-28T13:43:50Z", "ms": -2077784169907.4084 }, "end": { "local": "1904-02-29T18:13:56+08:00", "utc": "1904-02-29T10:13:56Z", "ms": -2077710364485.2847 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-02-28T21:43:50+08:00", "utc": "1904-02-28T13:43:50Z", "ms": -2077784169907.4084 }, "end": { "local": "1904-02-29T18:13:56+08:00", "utc": "1904-02-29T10:13:56Z", "ms": -2077710364485.2847 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-02-28", "window": { "start": { "local": "1904-02-28T18:41:53+08:00", "utc": "1904-02-28T10:41:53Z", "ms": -2077795087466.5613 }, "end": { "local": "1904-02-28T20:23:15+08:00", "utc": "1904-02-28T12:23:15Z", "ms": -2077789004988.5288 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1904-02-29", "window": { "start": { "local": "1904-02-29T18:42:48+08:00", "utc": "1904-02-29T10:42:48Z", "ms": -2077708632074.494 }, "end": { "local": "1904-02-29T20:23:53+08:00", "utc": "1904-02-29T12:23:53Z", "ms": -2077702567337.058 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:44 on Sun 28 Feb to 18:14 on Mon 29 Feb.", "fact": "1904-02-28T13:43:50Z → 1904-02-29T10:13:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:23 on the 28th, 18:43–20:24 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 28th and 0 of 101 on the 29th.", "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 1732 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Sunday 28 February.", "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": "1904-02-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-02-28", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Sunday 28 February. Trayodaśī runs from 21:44 on Sun 28 Feb to 18:14 on Mon 29 Feb, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-02-28", "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/1904/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6908, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-03-01T14:32:01+08:00", "utc": "1904-03-01T06:32:01Z", "ms": -2077637278794.3064 }, "end": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-03-01T14:32:01+08:00", "utc": "1904-03-01T06:32:01Z", "ms": -2077637278794.3064 }, "end": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 } }, "kaala": "sayahna", "days": [ { "local_date": "1904-03-01", "window": { "start": { "local": "1904-03-01T16:27:09+08:00", "utc": "1904-03-01T08:27:09Z", "ms": -2077630370927.8489 }, "end": { "local": "1904-03-01T18:43:43+08:00", "utc": "1904-03-01T10:43:43Z", "ms": -2077622177023.88 } }, "covered_min": 137, "window_min": 137, "qualifies": true }, { "local_date": "1904-03-02", "window": { "start": { "local": "1904-03-02T16:27:37+08:00", "utc": "1904-03-02T08:27:37Z", "ms": -2077543942827.7124 }, "end": { "local": "1904-03-02T18:44:38+08:00", "utc": "1904-03-02T10:44:38Z", "ms": -2077535722303.6733 } }, "covered_min": 0, "window_min": 137, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:32 on Tue 1 Mar to 10:48 on Wed 2 Mar.", "fact": "1904-03-01T06:32:01Z → 1904-03-02T02:48:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:27–18:44 on the 1st, 16:28–18:45 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 137 of 137 minutes on the 1st and 0 of 137 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6908 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1904: Tuesday 1 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": "1904-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-01", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1904 falls on Tuesday 1 March. Pūrṇimā runs from 14:32 on Tue 1 Mar to 10:48 on Wed 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6908, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-03-01T14:32:01+08:00", "utc": "1904-03-01T06:32:01Z", "ms": -2077637278794.3064 }, "end": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1904-03-01T14:32:01+08:00", "utc": "1904-03-01T06:32:01Z", "ms": -2077637278794.3064 }, "end": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 } }, "kaala": "sayahna", "days": [ { "local_date": "1904-03-01", "window": { "start": { "local": "1904-03-01T16:27:09+08:00", "utc": "1904-03-01T08:27:09Z", "ms": -2077630370927.8489 }, "end": { "local": "1904-03-01T18:43:43+08:00", "utc": "1904-03-01T10:43:43Z", "ms": -2077622177023.88 } }, "covered_min": 137, "window_min": 137, "qualifies": true }, { "local_date": "1904-03-02", "window": { "start": { "local": "1904-03-02T16:27:37+08:00", "utc": "1904-03-02T08:27:37Z", "ms": -2077543942827.7124 }, "end": { "local": "1904-03-02T18:44:38+08:00", "utc": "1904-03-02T10:44:38Z", "ms": -2077535722303.6733 } }, "covered_min": 0, "window_min": 137, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1904-03-01", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:32 on Tue 1 Mar to 10:48 on Wed 2 Mar.", "fact": "1904-03-01T06:32:01Z → 1904-03-02T02:48:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:27–18:44 on the 1st, 16:28–18:45 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 137 of 137 minutes on the 1st and 0 of 137 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6908 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 1 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1904: Wednesday 2 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": "1904-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-02", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1904 falls on Wednesday 2 March. It is kept the day after Holikā Dahana, which falls on Tuesday 1 March. Pūrṇimā runs from 14:32 on Tue 1 Mar to 10:48 on Wed 2 Mar and covers all of sāyāhna on the 1st.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-02", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 326, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 }, "end": { "local": "1904-03-03T07:12:50+08:00", "utc": "1904-03-02T23:12:50Z", "ms": -2077490829550.796 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-02T10:48:15+08:00", "utc": "1904-03-02T02:48:15Z", "ms": -2077564304864.3875 }, "end": { "local": "1904-03-03T07:12:50+08:00", "utc": "1904-03-02T23:12:50Z", "ms": -2077490829550.796 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-03-02", "window": { "start": { "local": "1904-03-02T07:19:35+08:00", "utc": "1904-03-01T23:19:35Z", "ms": -2077576824923.8687 }, "end": { "local": "1904-03-02T07:19:35+08:00", "utc": "1904-03-01T23:19:35Z", "ms": -2077576824923.8687 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-03-03", "window": { "start": { "local": "1904-03-03T07:18:16+08:00", "utc": "1904-03-02T23:18:16Z", "ms": -2077490503986.44 }, "end": { "local": "1904-03-03T07:18:16+08:00", "utc": "1904-03-02T23:18:16Z", "ms": -2077490503986.44 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:48 on Wed 2 Mar to 07:13 on Thu 3 Mar.", "fact": "1904-03-02T02:48:15Z → 1904-03-02T23:12:50Z" }, { "step": "kaala", "text": "Sunrise is at 07:20 on the 2nd and 07:18 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 326 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1904: Wednesday 2 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-02", "confidence": "boundary" } ], "quote": "In Qingyang, Vasantotsava 1904 falls on Wednesday 2 March. Pratipadā runs from 10:48 on Wed 2 Mar to 07:13 on Thu 3 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-03-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1194, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-03-05T01:06:19+08:00", "utc": "1904-03-04T17:06:19Z", "ms": -2077340021293.1665 }, "end": { "local": "1904-03-05T22:52:46+08:00", "utc": "1904-03-05T14:52:46Z", "ms": -2077261633644.799 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-05T01:06:19+08:00", "utc": "1904-03-04T17:06:19Z", "ms": -2077340021293.1665 }, "end": { "local": "1904-03-05T22:52:46+08:00", "utc": "1904-03-05T14:52:46Z", "ms": -2077261633644.799 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-03-04", "window": { "start": { "local": "1904-03-04T21:26:40+08:00", "utc": "1904-03-04T13:26:40Z", "ms": -2077353199709.5981 }, "end": { "local": "1904-03-04T21:26:40+08:00", "utc": "1904-03-04T13:26:40Z", "ms": -2077353199709.5981 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-03-05", "window": { "start": { "local": "1904-03-05T22:32:52+08:00", "utc": "1904-03-05T14:32:52Z", "ms": -2077262827744.1414 }, "end": { "local": "1904-03-05T22:32:52+08:00", "utc": "1904-03-05T14:32:52Z", "ms": -2077262827744.1414 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:06 on Sat 5 Mar to 22:53 on Sat 5 Mar.", "fact": "1904-03-04T17:06:19Z → 1904-03-05T14:52:46Z" }, { "step": "kaala", "text": "Moonrise is at 21:27 on the 4th and 22:33 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1194 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Saturday 5 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": "1904-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-05", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Saturday 5 March. Caturthī runs from 01:06 on Sat 5 Mar to 22:53 on Sat 5 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26185, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-03-08T20:41:11+08:00", "utc": "1904-03-08T12:41:11Z", "ms": -2077010329079.0723 }, "end": { "local": "1904-03-09T21:30:59+08:00", "utc": "1904-03-09T13:30:59Z", "ms": -2076920940555.118 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-08T20:41:11+08:00", "utc": "1904-03-08T12:41:11Z", "ms": -2077010329079.0723 }, "end": { "local": "1904-03-09T21:30:59+08:00", "utc": "1904-03-09T13:30:59Z", "ms": -2076920940555.118 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-08", "window": { "start": { "local": "1904-03-08T12:36:46+08:00", "utc": "1904-03-08T04:36:46Z", "ms": -2077039394285.202 }, "end": { "local": "1904-03-08T13:24:46+08:00", "utc": "1904-03-08T05:24:46Z", "ms": -2077036514285.202 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-09", "window": { "start": { "local": "1904-03-09T12:36:31+08:00", "utc": "1904-03-09T04:36:31Z", "ms": -2076953009139.771 }, "end": { "local": "1904-03-09T13:24:31+08:00", "utc": "1904-03-09T05:24:31Z", "ms": -2076950129139.771 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:41 on Tue 8 Mar to 21:31 on Wed 9 Mar.", "fact": "1904-03-08T12:41:11Z → 1904-03-09T13:30:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 8th, 12:37–13:25 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26185 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1904: Wednesday 9 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": "1904-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-09", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1904 falls on Wednesday 9 March. Aṣṭamī runs from 20:41 on Tue 8 Mar to 21:31 on Wed 9 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-03-12", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12903, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-03-12T01:04:17+08:00", "utc": "1904-03-11T17:04:17Z", "ms": -2076735343326.1917 }, "end": { "local": "1904-03-13T03:29:33+08:00", "utc": "1904-03-12T19:29:33Z", "ms": -2076640227302.8042 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-12T01:04:17+08:00", "utc": "1904-03-11T17:04:17Z", "ms": -2076735343326.1917 }, "end": { "local": "1904-03-13T03:29:33+08:00", "utc": "1904-03-12T19:29:33Z", "ms": -2076640227302.8042 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-03-12", "window": { "start": { "local": "1904-03-12T07:05:59+08:00", "utc": "1904-03-11T23:05:59Z", "ms": -2076713640669.6394 }, "end": { "local": "1904-03-12T07:05:59+08:00", "utc": "1904-03-11T23:05:59Z", "ms": -2076713640669.6394 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-03-13", "window": { "start": { "local": "1904-03-13T07:04:35+08:00", "utc": "1904-03-12T23:04:35Z", "ms": -2076627324733.5195 }, "end": { "local": "1904-03-13T07:04:35+08:00", "utc": "1904-03-12T23:04:35Z", "ms": -2076627324733.5195 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:04 on Sat 12 Mar to 03:30 on Sun 13 Mar.", "fact": "1904-03-11T17:04:17Z → 1904-03-12T19:29:33Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 12th and 07:05 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12903 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1904: Saturday 12 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": "1904-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-12", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1904 falls on Saturday 12 March. Ekādaśī runs from 01:04 on Sat 12 Mar to 03:30 on Sun 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34514, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-03-14T06:06:45+08:00", "utc": "1904-03-13T22:06:45Z", "ms": -2076544394767.3896 }, "end": { "local": "1904-03-15T08:46:05+08:00", "utc": "1904-03-15T00:46:05Z", "ms": -2076448434569.711 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-14T06:06:45+08:00", "utc": "1904-03-13T22:06:45Z", "ms": -2076544394767.3896 }, "end": { "local": "1904-03-15T08:46:05+08:00", "utc": "1904-03-15T00:46:05Z", "ms": -2076448434569.711 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-03-13", "window": { "start": { "local": "1904-03-13T18:54:21+08:00", "utc": "1904-03-13T10:54:21Z", "ms": -2076584738980.2358 }, "end": { "local": "1904-03-13T20:31:32+08:00", "utc": "1904-03-13T12:31:32Z", "ms": -2076578908333.602 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1904-03-14", "window": { "start": { "local": "1904-03-14T18:55:13+08:00", "utc": "1904-03-14T10:55:13Z", "ms": -2076498287406.9038 }, "end": { "local": "1904-03-14T20:32:05+08:00", "utc": "1904-03-14T12:32:05Z", "ms": -2076492474930.29 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:07 on Mon 14 Mar to 08:46 on Tue 15 Mar.", "fact": "1904-03-13T22:06:45Z → 1904-03-15T00:46:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:32 on the 13th, 18:55–20:32 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 13th and 97 of 97 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34514 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Monday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-14", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Monday 14 March. Trayodaśī runs from 06:07 on Mon 14 Mar to 08:46 on Tue 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26616, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-03-15T08:46:05+08:00", "utc": "1904-03-15T00:46:05Z", "ms": -2076448434569.711 }, "end": { "local": "1904-03-16T11:19:09+08:00", "utc": "1904-03-16T03:19:09Z", "ms": -2076352851426.1453 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-15T08:46:05+08:00", "utc": "1904-03-15T00:46:05Z", "ms": -2076448434569.711 }, "end": { "local": "1904-03-16T11:19:09+08:00", "utc": "1904-03-16T03:19:09Z", "ms": -2076352851426.1453 } }, "kaala": "nishita", "days": [ { "local_date": "1904-03-14", "window": { "start": { "local": "1904-03-15T00:34:29+08:00", "utc": "1904-03-14T16:34:29Z", "ms": -2076477930619.602 }, "end": { "local": "1904-03-15T01:22:29+08:00", "utc": "1904-03-14T17:22:29Z", "ms": -2076475050619.602 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-15", "window": { "start": { "local": "1904-03-16T00:34:13+08:00", "utc": "1904-03-15T16:34:13Z", "ms": -2076391547426.9858 }, "end": { "local": "1904-03-16T01:22:13+08:00", "utc": "1904-03-15T17:22:13Z", "ms": -2076388667426.9858 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:46 on Tue 15 Mar to 11:19 on Wed 16 Mar.", "fact": "1904-03-15T00:46:05Z → 1904-03-16T03:19:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 14th, 00:34–01:22 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26616 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Tuesday 15 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Tuesday 15 March. Caturdaśī runs from 08:46 on Tue 15 Mar to 11:19 on Wed 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1007, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-03-17T13:39:08+08:00", "utc": "1904-03-17T05:39:08Z", "ms": -2076258051613.4646 }, "end": { "local": "1904-03-18T15:40:47+08:00", "utc": "1904-03-18T07:40:47Z", "ms": -2076164352776.9155 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-17T13:39:08+08:00", "utc": "1904-03-17T05:39:08Z", "ms": -2076258051613.4646 }, "end": { "local": "1904-03-18T15:40:47+08:00", "utc": "1904-03-18T07:40:47Z", "ms": -2076164352776.9155 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-17", "window": { "start": { "local": "1904-03-17T12:34:21+08:00", "utc": "1904-03-17T04:34:21Z", "ms": -2076261938976.3574 }, "end": { "local": "1904-03-17T13:22:21+08:00", "utc": "1904-03-17T05:22:21Z", "ms": -2076259058976.3574 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-18", "window": { "start": { "local": "1904-03-18T12:34:04+08:00", "utc": "1904-03-18T04:34:04Z", "ms": -2076175556311.5674 }, "end": { "local": "1904-03-18T13:22:04+08:00", "utc": "1904-03-18T05:22:04Z", "ms": -2076172676311.5674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:39 on Thu 17 Mar to 15:41 on Fri 18 Mar.", "fact": "1904-03-17T05:39:08Z → 1904-03-18T07:40:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 17th, 12:34–13:22 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1007 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1904: Friday 18 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": "1904-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-18", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1904 falls on Friday 18 March. Pratipadā runs from 13:39 on Thu 17 Mar to 15:41 on Fri 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14288, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-03-19T17:19:54+08:00", "utc": "1904-03-19T09:19:54Z", "ms": -2076072005950.7278 }, "end": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-19T17:19:54+08:00", "utc": "1904-03-19T09:19:54Z", "ms": -2076072005950.7278 }, "end": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-19", "window": { "start": { "local": "1904-03-19T12:33:46+08:00", "utc": "1904-03-19T04:33:46Z", "ms": -2076089173834.3765 }, "end": { "local": "1904-03-19T13:21:46+08:00", "utc": "1904-03-19T05:21:46Z", "ms": -2076086293834.3765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-20", "window": { "start": { "local": "1904-03-20T12:33:28+08:00", "utc": "1904-03-20T04:33:28Z", "ms": -2076002791527.731 }, "end": { "local": "1904-03-20T13:21:28+08:00", "utc": "1904-03-20T05:21:28Z", "ms": -2075999911527.731 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:20 on Sat 19 Mar to 18:33 on Sun 20 Mar.", "fact": "1904-03-19T09:19:54Z → 1904-03-20T10:33:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 19th, 12:33–13:21 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14288 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1904: Sunday 20 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": "1904-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-20", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1904 falls on Sunday 20 March. Tṛtīyā runs from 17:20 on Sat 19 Mar to 18:33 on Sun 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14288, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-03-19T17:19:54+08:00", "utc": "1904-03-19T09:19:54Z", "ms": -2076072005950.7278 }, "end": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-19T17:19:54+08:00", "utc": "1904-03-19T09:19:54Z", "ms": -2076072005950.7278 }, "end": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-19", "window": { "start": { "local": "1904-03-19T12:33:46+08:00", "utc": "1904-03-19T04:33:46Z", "ms": -2076089173834.3765 }, "end": { "local": "1904-03-19T13:21:46+08:00", "utc": "1904-03-19T05:21:46Z", "ms": -2076086293834.3765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-20", "window": { "start": { "local": "1904-03-20T12:33:28+08:00", "utc": "1904-03-20T04:33:28Z", "ms": -2076002791527.731 }, "end": { "local": "1904-03-20T13:21:28+08:00", "utc": "1904-03-20T05:21:28Z", "ms": -2075999911527.731 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:20 on Sat 19 Mar to 18:33 on Sun 20 Mar.", "fact": "1904-03-19T09:19:54Z → 1904-03-20T10:33:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 19th, 12:33–13:21 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14288 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1904: Sunday 20 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": "1904-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-20", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1904 falls on Sunday 20 March. Tṛtīyā runs from 17:20 on Sat 19 Mar to 18:33 on Sun 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18694, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 }, "end": { "local": "1904-03-21T19:17:17+08:00", "utc": "1904-03-21T11:17:17Z", "ms": -2075892163207.857 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-20T18:33:02+08:00", "utc": "1904-03-20T10:33:02Z", "ms": -2075981217638.1904 }, "end": { "local": "1904-03-21T19:17:17+08:00", "utc": "1904-03-21T11:17:17Z", "ms": -2075892163207.857 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-20", "window": { "start": { "local": "1904-03-20T12:33:28+08:00", "utc": "1904-03-20T04:33:28Z", "ms": -2076002791527.731 }, "end": { "local": "1904-03-20T13:21:28+08:00", "utc": "1904-03-20T05:21:28Z", "ms": -2075999911527.731 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-21", "window": { "start": { "local": "1904-03-21T12:33:11+08:00", "utc": "1904-03-21T04:33:11Z", "ms": -2075916409374.0168 }, "end": { "local": "1904-03-21T13:21:11+08:00", "utc": "1904-03-21T05:21:11Z", "ms": -2075913529374.0168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:33 on Sun 20 Mar to 19:17 on Mon 21 Mar.", "fact": "1904-03-20T10:33:02Z → 1904-03-21T11:17:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18694 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Monday 21 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": "1904-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Monday 21 March. Caturthī runs from 18:33 on Sun 20 Mar to 19:17 on Mon 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-03-21", "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/1904/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21366, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-03-21T19:17:17+08:00", "utc": "1904-03-21T11:17:17Z", "ms": -2075892163207.857 }, "end": { "local": "1904-03-22T19:30:12+08:00", "utc": "1904-03-22T11:30:12Z", "ms": -2075804987770.7002 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-21T19:17:17+08:00", "utc": "1904-03-21T11:17:17Z", "ms": -2075892163207.857 }, "end": { "local": "1904-03-22T19:30:12+08:00", "utc": "1904-03-22T11:30:12Z", "ms": -2075804987770.7002 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-21", "window": { "start": { "local": "1904-03-21T12:33:11+08:00", "utc": "1904-03-21T04:33:11Z", "ms": -2075916409374.0168 }, "end": { "local": "1904-03-21T13:21:11+08:00", "utc": "1904-03-21T05:21:11Z", "ms": -2075913529374.0168 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-22", "window": { "start": { "local": "1904-03-22T12:32:53+08:00", "utc": "1904-03-22T04:32:53Z", "ms": -2075830027356.1821 }, "end": { "local": "1904-03-22T13:20:53+08:00", "utc": "1904-03-22T05:20:53Z", "ms": -2075827147356.1821 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:17 on Mon 21 Mar to 19:30 on Tue 22 Mar.", "fact": "1904-03-21T11:17:17Z → 1904-03-22T11:30:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 21st, 12:33–13:21 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21366 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1904: Tuesday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-22", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1904 falls on Tuesday 22 March. Pañcamī runs from 19:17 on Mon 21 Mar to 19:30 on Tue 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12531, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-03-24T18:16:07+08:00", "utc": "1904-03-24T10:16:07Z", "ms": -2075636632942.5708 }, "end": { "local": "1904-03-25T16:48:49+08:00", "utc": "1904-03-25T08:48:49Z", "ms": -2075555470531.7542 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-24T18:16:07+08:00", "utc": "1904-03-24T10:16:07Z", "ms": -2075636632942.5708 }, "end": { "local": "1904-03-25T16:48:49+08:00", "utc": "1904-03-25T08:48:49Z", "ms": -2075555470531.7542 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-24", "window": { "start": { "local": "1904-03-24T12:32:16+08:00", "utc": "1904-03-24T04:32:16Z", "ms": -2075657263656.5054 }, "end": { "local": "1904-03-24T13:20:16+08:00", "utc": "1904-03-24T05:20:16Z", "ms": -2075654383656.5054 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-25", "window": { "start": { "local": "1904-03-25T12:31:58+08:00", "utc": "1904-03-25T04:31:58Z", "ms": -2075570881937.7998 }, "end": { "local": "1904-03-25T13:19:58+08:00", "utc": "1904-03-25T05:19:58Z", "ms": -2075568001937.7998 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:16 on Thu 24 Mar to 16:49 on Fri 25 Mar.", "fact": "1904-03-24T10:16:07Z → 1904-03-25T08:48:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 24th, 12:32–13:20 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12531 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1904: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-25", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1904 falls on Friday 25 March. Aṣṭamī runs from 18:16 on Thu 24 Mar to 16:49 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5429, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1904-03-25T16:48:49+08:00", "utc": "1904-03-25T08:48:49Z", "ms": -2075555470531.7542 }, "end": { "local": "1904-03-26T14:50:08+08:00", "utc": "1904-03-26T06:50:08Z", "ms": -2075476191553.9287 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-25T16:48:49+08:00", "utc": "1904-03-25T08:48:49Z", "ms": -2075555470531.7542 }, "end": { "local": "1904-03-26T14:50:08+08:00", "utc": "1904-03-26T06:50:08Z", "ms": -2075476191553.9287 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-25", "window": { "start": { "local": "1904-03-25T12:31:58+08:00", "utc": "1904-03-25T04:31:58Z", "ms": -2075570881937.7998 }, "end": { "local": "1904-03-25T13:19:58+08:00", "utc": "1904-03-25T05:19:58Z", "ms": -2075568001937.7998 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-26", "window": { "start": { "local": "1904-03-26T12:31:40+08:00", "utc": "1904-03-26T04:31:40Z", "ms": -2075484500280.7854 }, "end": { "local": "1904-03-26T13:19:40+08:00", "utc": "1904-03-26T05:19:40Z", "ms": -2075481620280.7854 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:49 on Fri 25 Mar to 14:50 on Sat 26 Mar.", "fact": "1904-03-25T08:48:49Z → 1904-03-26T06:50:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 25th, 12:32–13:20 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5429 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1904: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-26", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1904 falls on Saturday 26 March. Navamī runs from 16:49 on Fri 25 Mar to 14:50 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-03-28", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10246, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-03-27T12:23:32+08:00", "utc": "1904-03-27T04:23:32Z", "ms": -2075398587768.0222 }, "end": { "local": "1904-03-28T09:33:56+08:00", "utc": "1904-03-28T01:33:56Z", "ms": -2075322363744.2576 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-27T12:23:32+08:00", "utc": "1904-03-27T04:23:32Z", "ms": -2075398587768.0222 }, "end": { "local": "1904-03-28T09:33:56+08:00", "utc": "1904-03-28T01:33:56Z", "ms": -2075322363744.2576 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-03-27", "window": { "start": { "local": "1904-03-27T06:44:36+08:00", "utc": "1904-03-26T22:44:36Z", "ms": -2075418924061.2217 }, "end": { "local": "1904-03-27T06:44:36+08:00", "utc": "1904-03-26T22:44:36Z", "ms": -2075418924061.2217 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-03-28", "window": { "start": { "local": "1904-03-28T06:43:10+08:00", "utc": "1904-03-27T22:43:10Z", "ms": -2075332610223.5884 }, "end": { "local": "1904-03-28T06:43:10+08:00", "utc": "1904-03-27T22:43:10Z", "ms": -2075332610223.5884 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:24 on Sun 27 Mar to 09:34 on Mon 28 Mar.", "fact": "1904-03-27T04:23:32Z → 1904-03-28T01:33:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 27th and 06:43 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10246 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1904: Monday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-28", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1904 falls on Monday 28 March. Ekādaśī runs from 12:24 on Sun 27 Mar to 09:34 on Mon 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21792, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-03-29T06:27:33+08:00", "utc": "1904-03-28T22:27:33Z", "ms": -2075247146970.189 }, "end": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-29T06:27:33+08:00", "utc": "1904-03-28T22:27:33Z", "ms": -2075247146970.189 }, "end": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-29", "window": { "start": { "local": "1904-03-29T12:30:45+08:00", "utc": "1904-03-29T04:30:45Z", "ms": -2075225355469.7656 }, "end": { "local": "1904-03-29T13:18:45+08:00", "utc": "1904-03-29T05:18:45Z", "ms": -2075222475469.7656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-03-30", "window": { "start": { "local": "1904-03-30T12:30:26+08:00", "utc": "1904-03-30T04:30:26Z", "ms": -2075138973843.8176 }, "end": { "local": "1904-03-30T13:18:26+08:00", "utc": "1904-03-30T05:18:26Z", "ms": -2075136093843.8176 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:28 on Tue 29 Mar to 03:12 on Wed 30 Mar.", "fact": "1904-03-28T22:27:33Z → 1904-03-29T19:11:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 29th, 12:30–13:18 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21792 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1904: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1904 falls on Tuesday 29 March. Trayodaśī runs from 06:28 on Tue 29 Mar to 03:12 on Wed 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-03-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23493, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-03-29T06:27:33+08:00", "utc": "1904-03-28T22:27:33Z", "ms": -2075247146970.189 }, "end": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-29T06:27:33+08:00", "utc": "1904-03-28T22:27:33Z", "ms": -2075247146970.189 }, "end": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-03-28", "window": { "start": { "local": "1904-03-28T19:06:56+08:00", "utc": "1904-03-28T11:06:56Z", "ms": -2075287983914.2366 }, "end": { "local": "1904-03-28T20:39:34+08:00", "utc": "1904-03-28T12:39:34Z", "ms": -2075282425565.1885 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1904-03-29", "window": { "start": { "local": "1904-03-29T19:07:45+08:00", "utc": "1904-03-29T11:07:45Z", "ms": -2075201534643.156 }, "end": { "local": "1904-03-29T20:40:06+08:00", "utc": "1904-03-29T12:40:06Z", "ms": -2075195994323.749 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:28 on Tue 29 Mar to 03:12 on Wed 30 Mar.", "fact": "1904-03-28T22:27:33Z → 1904-03-29T19:11:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:40 on the 28th, 19:08–20:40 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 28th and 92 of 92 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23493 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Tuesday 29 March. Trayodaśī runs from 06:28 on Tue 29 Mar to 03:12 on Wed 30 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33527, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 }, "end": { "local": "1904-03-30T23:54:20+08:00", "utc": "1904-03-30T15:54:20Z", "ms": -2075097940375.3867 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-30T03:11:39+08:00", "utc": "1904-03-29T19:11:39Z", "ms": -2075172501096.156 }, "end": { "local": "1904-03-30T23:54:20+08:00", "utc": "1904-03-30T15:54:20Z", "ms": -2075097940375.3867 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-30", "window": { "start": { "local": "1904-03-30T12:30:26+08:00", "utc": "1904-03-30T04:30:26Z", "ms": -2075138973843.8176 }, "end": { "local": "1904-03-30T13:18:26+08:00", "utc": "1904-03-30T05:18:26Z", "ms": -2075136093843.8176 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-03-31", "window": { "start": { "local": "1904-03-31T12:30:08+08:00", "utc": "1904-03-31T04:30:08Z", "ms": -2075052592166.6387 }, "end": { "local": "1904-03-31T13:18:08+08:00", "utc": "1904-03-31T05:18:08Z", "ms": -2075049712166.6387 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:12 on Wed 30 Mar to 23:54 on Wed 30 Mar.", "fact": "1904-03-29T19:11:39Z → 1904-03-30T15:54:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 30th, 12:30–13:18 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33527 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1904: Wednesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-30", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1904 falls on Wednesday 30 March. Caturdaśī runs from 03:12 on Wed 30 Mar to 23:54 on Wed 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26767, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-03-30T23:54:20+08:00", "utc": "1904-03-30T15:54:20Z", "ms": -2075097940375.3867 }, "end": { "local": "1904-03-31T20:44:15+08:00", "utc": "1904-03-31T12:44:15Z", "ms": -2075022944837.0405 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1904-03-30T23:54:20+08:00", "utc": "1904-03-30T15:54:20Z", "ms": -2075097940375.3867 }, "end": { "local": "1904-03-31T20:44:15+08:00", "utc": "1904-03-31T12:44:15Z", "ms": -2075022944837.0405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-03-30", "window": { "start": { "local": "1904-03-30T12:30:26+08:00", "utc": "1904-03-30T04:30:26Z", "ms": -2075138973843.8176 }, "end": { "local": "1904-03-30T13:18:26+08:00", "utc": "1904-03-30T05:18:26Z", "ms": -2075136093843.8176 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-03-31", "window": { "start": { "local": "1904-03-31T12:30:08+08:00", "utc": "1904-03-31T04:30:08Z", "ms": -2075052592166.6387 }, "end": { "local": "1904-03-31T13:18:08+08:00", "utc": "1904-03-31T05:18:08Z", "ms": -2075049712166.6387 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:54 on Wed 30 Mar to 20:44 on Thu 31 Mar.", "fact": "1904-03-30T15:54:20Z → 1904-03-31T12:44:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 30th, 12:30–13:18 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26767 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1904: Thursday 31 March.", "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": "1904-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-03-31", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1904 falls on Thursday 31 March. Pūrṇimā runs from 23:54 on Wed 30 Mar to 20:44 on Thu 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-04-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32049, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-04-03T13:26:12+08:00", "utc": "1904-04-03T05:26:12Z", "ms": -2074790027768.1445 }, "end": { "local": "1904-04-04T12:11:22+08:00", "utc": "1904-04-04T04:11:22Z", "ms": -2074708118257.2207 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-03T13:26:12+08:00", "utc": "1904-04-03T05:26:12Z", "ms": -2074790027768.1445 }, "end": { "local": "1904-04-04T12:11:22+08:00", "utc": "1904-04-04T04:11:22Z", "ms": -2074708118257.2207 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-04-03", "window": { "start": { "local": "1904-04-03T22:20:22+08:00", "utc": "1904-04-03T14:20:22Z", "ms": -2074757978324.331 }, "end": { "local": "1904-04-03T22:20:22+08:00", "utc": "1904-04-03T14:20:22Z", "ms": -2074757978324.331 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-04-04", "window": { "start": { "local": "1904-04-04T23:20:39+08:00", "utc": "1904-04-04T15:20:39Z", "ms": -2074667960676.045 }, "end": { "local": "1904-04-04T23:20:39+08:00", "utc": "1904-04-04T15:20:39Z", "ms": -2074667960676.045 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:26 on Sun 3 Apr to 12:11 on Mon 4 Apr.", "fact": "1904-04-03T05:26:12Z → 1904-04-04T04:11:22Z" }, { "step": "kaala", "text": "Moonrise is at 22:20 on the 3rd and 23:21 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32049 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Sunday 3 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": "1904-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-03", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Sunday 3 April. Caturthī runs from 13:26 on Sun 3 Apr to 12:11 on Mon 4 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29208, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-04-10T19:38:15+08:00", "utc": "1904-04-10T11:38:15Z", "ms": -2074162905238.655 }, "end": { "local": "1904-04-11T22:15:18+08:00", "utc": "1904-04-11T14:15:18Z", "ms": -2074067082127.8928 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-10T19:38:15+08:00", "utc": "1904-04-10T11:38:15Z", "ms": -2074162905238.655 }, "end": { "local": "1904-04-11T22:15:18+08:00", "utc": "1904-04-11T14:15:18Z", "ms": -2074067082127.8928 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-04-11", "window": { "start": { "local": "1904-04-11T06:23:27+08:00", "utc": "1904-04-10T22:23:27Z", "ms": -2074124192535.3037 }, "end": { "local": "1904-04-11T06:23:27+08:00", "utc": "1904-04-10T22:23:27Z", "ms": -2074124192535.3037 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-04-12", "window": { "start": { "local": "1904-04-12T06:22:06+08:00", "utc": "1904-04-11T22:22:06Z", "ms": -2074037874041.685 }, "end": { "local": "1904-04-12T06:22:06+08:00", "utc": "1904-04-11T22:22:06Z", "ms": -2074037874041.685 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:38 on Sun 10 Apr to 22:15 on Mon 11 Apr.", "fact": "1904-04-10T11:38:15Z → 1904-04-11T14:15:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 11th and 06:22 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29208 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1904: Monday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-11", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1904 falls on Monday 11 April. Ekādaśī runs from 19:38 on Sun 10 Apr to 22:15 on Mon 11 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4414, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1904-04-13T05:07:11+08:00", "utc": "1904-04-12T21:07:11Z", "ms": -2073955969385.1611 }, "end": { "local": "1904-05-14T02:06:54+08:00", "utc": "1904-05-13T18:06:54Z", "ms": -2071288386419.719 } }, "span": { "of": "transit", "start": { "local": "1904-04-13T05:07:11+08:00", "utc": "1904-04-12T21:07:11Z", "ms": -2073955969385.1611 }, "end": { "local": "1904-04-13T05:07:11+08:00", "utc": "1904-04-12T21:07:11Z", "ms": -2073955969385.1611 } }, "kaala": "day", "days": [ { "local_date": "1904-04-12", "window": { "start": { "local": "1904-04-12T06:22:06+08:00", "utc": "1904-04-11T22:22:06Z", "ms": -2074037874041.685 }, "end": { "local": "1904-04-13T06:20:45+08:00", "utc": "1904-04-12T22:20:45Z", "ms": -2073951555001.5571 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1904-04-13", "window": { "start": { "local": "1904-04-13T06:20:45+08:00", "utc": "1904-04-12T22:20:45Z", "ms": -2073951555001.5571 }, "end": { "local": "1904-04-14T06:19:25+08:00", "utc": "1904-04-13T22:19:25Z", "ms": -2073865235387.884 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 05:07 on Wed 13 Apr.", "fact": "1904-04-12T21:07:11Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:22 on the 12th, and from 06:21 on the 13th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 12th, 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 sunrise → only-day · margin 4414 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1904: Tuesday 12 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": "1904-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1904-04-13", "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": "1904-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Vaiśākhī 1904 falls on Tuesday 12 April. The Sun enters Meṣa at 05:07 on Wed 13 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 13 April.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-04-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14185, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-04-13T00:43:51+08:00", "utc": "1904-04-12T16:43:51Z", "ms": -2073971768684.5637 }, "end": { "local": "1904-04-14T02:53:44+08:00", "utc": "1904-04-13T18:53:44Z", "ms": -2073877575596.458 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-13T00:43:51+08:00", "utc": "1904-04-12T16:43:51Z", "ms": -2073971768684.5637 }, "end": { "local": "1904-04-14T02:53:44+08:00", "utc": "1904-04-13T18:53:44Z", "ms": -2073877575596.458 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-04-12", "window": { "start": { "local": "1904-04-12T19:19:14+08:00", "utc": "1904-04-12T11:19:14Z", "ms": -2073991245716.58 }, "end": { "local": "1904-04-12T20:47:26+08:00", "utc": "1904-04-12T12:47:26Z", "ms": -2073985953621.2437 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "1904-04-13", "window": { "start": { "local": "1904-04-13T19:20:04+08:00", "utc": "1904-04-13T11:20:04Z", "ms": -2073904796198.396 }, "end": { "local": "1904-04-13T20:47:59+08:00", "utc": "1904-04-13T12:47:59Z", "ms": -2073899521423.6611 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:44 on Wed 13 Apr to 02:54 on Thu 14 Apr.", "fact": "1904-04-12T16:43:51Z → 1904-04-13T18:53:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:19–20:47 on the 12th, 19:20–20:48 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 12th and 88 of 88 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14185 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Wednesday 13 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": "1904-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Wednesday 13 April. Trayodaśī runs from 00:44 on Wed 13 Apr to 02:54 on Thu 14 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6000, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-04-14T02:53:44+08:00", "utc": "1904-04-13T18:53:44Z", "ms": -2073877575596.458 }, "end": { "local": "1904-04-15T04:37:59+08:00", "utc": "1904-04-14T20:37:59Z", "ms": -2073784921212.1887 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-14T02:53:44+08:00", "utc": "1904-04-13T18:53:44Z", "ms": -2073877575596.458 }, "end": { "local": "1904-04-15T04:37:59+08:00", "utc": "1904-04-14T20:37:59Z", "ms": -2073784921212.1887 } }, "kaala": "nishita", "days": [ { "local_date": "1904-04-13", "window": { "start": { "local": "1904-04-14T00:25:44+08:00", "utc": "1904-04-13T16:25:44Z", "ms": -2073886455793.1401 }, "end": { "local": "1904-04-14T01:13:44+08:00", "utc": "1904-04-13T17:13:44Z", "ms": -2073883575793.1401 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-04-14", "window": { "start": { "local": "1904-04-15T00:25:29+08:00", "utc": "1904-04-14T16:25:29Z", "ms": -2073800070895.749 }, "end": { "local": "1904-04-15T01:13:29+08:00", "utc": "1904-04-14T17:13:29Z", "ms": -2073797190895.749 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:54 on Thu 14 Apr to 04:38 on Fri 15 Apr.", "fact": "1904-04-13T18:53:44Z → 1904-04-14T20:37:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 13th, 00:25–01:13 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6000 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Thursday 14 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": "1904-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-14", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Thursday 14 April. Caturdaśī runs from 02:54 on Thu 14 Apr to 04:38 on Fri 15 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-04-14", "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/1904/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35252, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-04-18T06:51:36+08:00", "utc": "1904-04-17T22:51:36Z", "ms": -2073517704409.9153 }, "end": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-18T06:51:36+08:00", "utc": "1904-04-17T22:51:36Z", "ms": -2073517704409.9153 }, "end": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-04-17", "window": { "start": { "local": "1904-04-17T19:23:22+08:00", "utc": "1904-04-17T11:23:22Z", "ms": -2073558997510.7595 }, "end": { "local": "1904-04-17T20:50:09+08:00", "utc": "1904-04-17T12:50:09Z", "ms": -2073553791265.3054 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1904-04-18", "window": { "start": { "local": "1904-04-18T19:24:12+08:00", "utc": "1904-04-18T11:24:12Z", "ms": -2073472547696.7073 }, "end": { "local": "1904-04-18T20:50:42+08:00", "utc": "1904-04-18T12:50:42Z", "ms": -2073467358376.4553 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:52 on Mon 18 Apr to 06:38 on Tue 19 Apr.", "fact": "1904-04-17T22:51:36Z → 1904-04-18T22:38:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:50 on the 17th, 19:24–20:51 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 87 minutes on the 17th and 86 of 86 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35252 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1904: Monday 18 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": "1904-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-18", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1904 falls on Monday 18 April. Tṛtīyā runs from 06:52 on Mon 18 Apr to 06:38 on Tue 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1521, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-04-18T06:51:36+08:00", "utc": "1904-04-17T22:51:36Z", "ms": -2073517704409.9153 }, "end": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-18T06:51:36+08:00", "utc": "1904-04-17T22:51:36Z", "ms": -2073517704409.9153 }, "end": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 } }, "kaala": "purvahna", "days": [ { "local_date": "1904-04-18", "window": { "start": { "local": "1904-04-18T06:14:09+08:00", "utc": "1904-04-17T22:14:09Z", "ms": -2073519950669.8545 }, "end": { "local": "1904-04-18T10:37:30+08:00", "utc": "1904-04-18T02:37:30Z", "ms": -2073504149678.8054 } }, "covered_min": 226, "window_min": 263, "qualifies": true }, { "local_date": "1904-04-19", "window": { "start": { "local": "1904-04-19T06:12:52+08:00", "utc": "1904-04-18T22:12:52Z", "ms": -2073433627794.8176 }, "end": { "local": "1904-04-19T10:36:56+08:00", "utc": "1904-04-19T02:36:56Z", "ms": -2073417784474.5256 } }, "covered_min": 25, "window_min": 264, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:52 on Mon 18 Apr to 06:38 on Tue 19 Apr.", "fact": "1904-04-17T22:51:36Z → 1904-04-18T22:38:13Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:14–10:38 on the 18th, 06:13–10:37 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 226 of 263 minutes on the 18th and 25 of 264 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both forenoons qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1521 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1904: Tuesday 19 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": "1904-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-19", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1904 falls on Tuesday 19 April. Tṛtīyā runs from 06:52 on Mon 18 Apr to 06:38 on Tue 19 Apr and covers 25 of 264 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 226 minutes; by the rule the second forenoon is taken.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-04-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20804, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 }, "end": { "local": "1904-04-20T05:59:18+08:00", "utc": "1904-04-19T21:59:18Z", "ms": -2073348041545.9272 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-19T06:38:13+08:00", "utc": "1904-04-18T22:38:13Z", "ms": -2073432106724.2263 }, "end": { "local": "1904-04-20T05:59:18+08:00", "utc": "1904-04-19T21:59:18Z", "ms": -2073348041545.9272 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-19", "window": { "start": { "local": "1904-04-19T12:24:57+08:00", "utc": "1904-04-19T04:24:57Z", "ms": -2073411302814.3794 }, "end": { "local": "1904-04-19T13:12:57+08:00", "utc": "1904-04-19T05:12:57Z", "ms": -2073408422814.3794 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-04-20", "window": { "start": { "local": "1904-04-20T12:24:44+08:00", "utc": "1904-04-20T04:24:44Z", "ms": -2073324916058.9038 }, "end": { "local": "1904-04-20T13:12:44+08:00", "utc": "1904-04-20T05:12:44Z", "ms": -2073322036058.9038 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:38 on Tue 19 Apr to 05:59 on Wed 20 Apr.", "fact": "1904-04-18T22:38:13Z → 1904-04-19T21:59:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 19th, 12:25–13:13 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20804 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Tuesday 19 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": "1904-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-19", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Tuesday 19 April. Caturthī runs from 06:38 on Tue 19 Apr to 05:59 on Wed 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23125, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-04-20T05:59:18+08:00", "utc": "1904-04-19T21:59:18Z", "ms": -2073348041545.9272 }, "end": { "local": "1904-04-21T04:57:13+08:00", "utc": "1904-04-20T20:57:13Z", "ms": -2073265366604.4148 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-20T05:59:18+08:00", "utc": "1904-04-19T21:59:18Z", "ms": -2073348041545.9272 }, "end": { "local": "1904-04-21T04:57:13+08:00", "utc": "1904-04-20T20:57:13Z", "ms": -2073265366604.4148 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-20", "window": { "start": { "local": "1904-04-20T12:24:44+08:00", "utc": "1904-04-20T04:24:44Z", "ms": -2073324916058.9038 }, "end": { "local": "1904-04-20T13:12:44+08:00", "utc": "1904-04-20T05:12:44Z", "ms": -2073322036058.9038 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-04-21", "window": { "start": { "local": "1904-04-21T12:24:31+08:00", "utc": "1904-04-21T04:24:31Z", "ms": -2073238528906.7114 }, "end": { "local": "1904-04-21T13:12:31+08:00", "utc": "1904-04-21T05:12:31Z", "ms": -2073235648906.7114 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:59 on Wed 20 Apr to 04:57 on Thu 21 Apr.", "fact": "1904-04-19T21:59:18Z → 1904-04-20T20:57:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 20th, 12:25–13:13 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23125 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1904: Wednesday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1904 falls on Wednesday 20 April. Pañcamī runs from 05:59 on Wed 20 Apr to 04:57 on Thu 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31810, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-04-22T03:34:09+08:00", "utc": "1904-04-21T19:34:09Z", "ms": -2073183950978.2832 }, "end": { "local": "1904-04-23T01:52:04+08:00", "utc": "1904-04-22T17:52:04Z", "ms": -2073103675550.6323 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-22T03:34:09+08:00", "utc": "1904-04-21T19:34:09Z", "ms": -2073183950978.2832 }, "end": { "local": "1904-04-23T01:52:04+08:00", "utc": "1904-04-22T17:52:04Z", "ms": -2073103675550.6323 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-22", "window": { "start": { "local": "1904-04-22T12:24:19+08:00", "utc": "1904-04-22T04:24:19Z", "ms": -2073152141347.5142 }, "end": { "local": "1904-04-22T13:12:19+08:00", "utc": "1904-04-22T05:12:19Z", "ms": -2073149261347.5142 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-04-23", "window": { "start": { "local": "1904-04-23T12:24:07+08:00", "utc": "1904-04-23T04:24:07Z", "ms": -2073065753370.6619 }, "end": { "local": "1904-04-23T13:12:07+08:00", "utc": "1904-04-23T05:12:07Z", "ms": -2073062873370.6619 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:34 on Fri 22 Apr to 01:52 on Sat 23 Apr.", "fact": "1904-04-21T19:34:09Z → 1904-04-22T17:52:04Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31810 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1904: Friday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-22", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1904 falls on Friday 22 April. Saptamī runs from 03:34 on Fri 22 Apr to 01:52 on Sat 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-04-26", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38019, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-04-25T19:12:45+08:00", "utc": "1904-04-25T11:12:45Z", "ms": -2072868435254.9473 }, "end": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-25T19:12:45+08:00", "utc": "1904-04-25T11:12:45Z", "ms": -2072868435254.9473 }, "end": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-04-25", "window": { "start": { "local": "1904-04-25T06:05:26+08:00", "utc": "1904-04-24T22:05:26Z", "ms": -2072915674275.4585 }, "end": { "local": "1904-04-25T06:05:26+08:00", "utc": "1904-04-24T22:05:26Z", "ms": -2072915674275.4585 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-04-26", "window": { "start": { "local": "1904-04-26T06:04:14+08:00", "utc": "1904-04-25T22:04:14Z", "ms": -2072829345716.6458 }, "end": { "local": "1904-04-26T06:04:14+08:00", "utc": "1904-04-25T22:04:14Z", "ms": -2072829345716.6458 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:13 on Mon 25 Apr to 16:38 on Tue 26 Apr.", "fact": "1904-04-25T11:12:45Z → 1904-04-26T08:37:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 25th and 06:04 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38019 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1904: Tuesday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-26", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1904 falls on Tuesday 26 April. Ekādaśī runs from 19:13 on Mon 25 Apr to 16:38 on Tue 26 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2846, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 }, "end": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 }, "end": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-26", "window": { "start": { "local": "1904-04-26T12:23:33+08:00", "utc": "1904-04-26T04:23:33Z", "ms": -2072806586818.4575 }, "end": { "local": "1904-04-26T13:11:33+08:00", "utc": "1904-04-26T05:11:33Z", "ms": -2072803706818.4575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-04-27", "window": { "start": { "local": "1904-04-27T12:23:23+08:00", "utc": "1904-04-27T04:23:23Z", "ms": -2072720197051.6196 }, "end": { "local": "1904-04-27T13:11:23+08:00", "utc": "1904-04-27T05:11:23Z", "ms": -2072717317051.6196 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:38 on Tue 26 Apr to 13:59 on Wed 27 Apr.", "fact": "1904-04-26T08:37:53Z → 1904-04-27T05:58:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 26th, 12:23–13:11 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2846 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1904: Wednesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1904 falls on Wednesday 27 April. Dvādaśī runs from 16:38 on Tue 26 Apr to 13:59 on Wed 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2846, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 }, "end": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-26T16:37:53+08:00", "utc": "1904-04-26T08:37:53Z", "ms": -2072791327132.1387 }, "end": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-26", "window": { "start": { "local": "1904-04-26T12:23:33+08:00", "utc": "1904-04-26T04:23:33Z", "ms": -2072806586818.4575 }, "end": { "local": "1904-04-26T13:11:33+08:00", "utc": "1904-04-26T05:11:33Z", "ms": -2072803706818.4575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-04-27", "window": { "start": { "local": "1904-04-27T12:23:23+08:00", "utc": "1904-04-27T04:23:23Z", "ms": -2072720197051.6196 }, "end": { "local": "1904-04-27T13:11:23+08:00", "utc": "1904-04-27T05:11:23Z", "ms": -2072717317051.6196 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:38 on Tue 26 Apr to 13:59 on Wed 27 Apr.", "fact": "1904-04-26T08:37:53Z → 1904-04-27T05:58:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 26th, 12:23–13:11 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2846 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1904: Wednesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1904 falls on Wednesday 27 April. Dvādaśī runs from 16:38 on Tue 26 Apr to 13:59 on Wed 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-04-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19973, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 }, "end": { "local": "1904-04-28T11:21:03+08:00", "utc": "1904-04-28T03:21:03Z", "ms": -2072637536992.3374 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-27T13:58:49+08:00", "utc": "1904-04-27T05:58:49Z", "ms": -2072714471355.3774 }, "end": { "local": "1904-04-28T11:21:03+08:00", "utc": "1904-04-28T03:21:03Z", "ms": -2072637536992.3374 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-04-27", "window": { "start": { "local": "1904-04-27T19:31:42+08:00", "utc": "1904-04-27T11:31:42Z", "ms": -2072694497873.6096 }, "end": { "local": "1904-04-27T20:55:44+08:00", "utc": "1904-04-27T12:55:44Z", "ms": -2072689456261.579 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1904-04-28", "window": { "start": { "local": "1904-04-28T19:32:32+08:00", "utc": "1904-04-28T11:32:32Z", "ms": -2072608047824.792 }, "end": { "local": "1904-04-28T20:56:18+08:00", "utc": "1904-04-28T12:56:18Z", "ms": -2072603022027.6936 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:59 on Wed 27 Apr to 11:21 on Thu 28 Apr.", "fact": "1904-04-27T05:58:49Z → 1904-04-28T03:21:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:32–20:56 on the 27th, 19:33–20:56 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 27th and 0 of 84 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19973 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Wednesday 27 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": "1904-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Wednesday 27 April. Trayodaśī runs from 13:59 on Wed 27 Apr to 11:21 on Thu 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-04-27", "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/1904/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29489, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-04-28T11:21:03+08:00", "utc": "1904-04-28T03:21:03Z", "ms": -2072637536992.3374 }, "end": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-28T11:21:03+08:00", "utc": "1904-04-28T03:21:03Z", "ms": -2072637536992.3374 }, "end": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-04-28", "window": { "start": { "local": "1904-04-28T19:32:32+08:00", "utc": "1904-04-28T11:32:32Z", "ms": -2072608047824.792 }, "end": { "local": "1904-04-28T20:56:18+08:00", "utc": "1904-04-28T12:56:18Z", "ms": -2072603022027.6936 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1904-04-29", "window": { "start": { "local": "1904-04-29T19:33:22+08:00", "utc": "1904-04-29T11:33:22Z", "ms": -2072521597777.2725 }, "end": { "local": "1904-04-29T20:56:52+08:00", "utc": "1904-04-29T12:56:52Z", "ms": -2072516587658.664 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:21 on Thu 28 Apr to 08:51 on Fri 29 Apr.", "fact": "1904-04-28T03:21:03Z → 1904-04-29T00:51:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:33–20:56 on the 28th, 19:33–20:57 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 28th and 0 of 84 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29489 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1904: Thursday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-28", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1904 falls on Thursday 28 April. Caturdaśī runs from 11:21 on Thu 28 Apr to 08:51 on Fri 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12718, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 }, "end": { "local": "1904-04-30T06:36:14+08:00", "utc": "1904-04-29T22:36:14Z", "ms": -2072481825809.5352 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 }, "end": { "local": "1904-04-30T06:36:14+08:00", "utc": "1904-04-29T22:36:14Z", "ms": -2072481825809.5352 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-29", "window": { "start": { "local": "1904-04-29T12:23:04+08:00", "utc": "1904-04-29T04:23:04Z", "ms": -2072547416061.9133 }, "end": { "local": "1904-04-29T13:11:04+08:00", "utc": "1904-04-29T05:11:04Z", "ms": -2072544536061.9133 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-04-30", "window": { "start": { "local": "1904-04-30T12:22:55+08:00", "utc": "1904-04-30T04:22:55Z", "ms": -2072461024811.482 }, "end": { "local": "1904-04-30T13:10:55+08:00", "utc": "1904-04-30T05:10:55Z", "ms": -2072458144811.482 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr.", "fact": "1904-04-29T00:51:06Z → 1904-04-29T22:36:14Z" }, { "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": "Pūrṇimā 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: unstated → only-day · margin 12718 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1904: Friday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1904 falls on Friday 29 April. Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12718, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 }, "end": { "local": "1904-04-30T06:36:14+08:00", "utc": "1904-04-29T22:36:14Z", "ms": -2072481825809.5352 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1904-04-29T08:51:06+08:00", "utc": "1904-04-29T00:51:06Z", "ms": -2072560134147.9438 }, "end": { "local": "1904-04-30T06:36:14+08:00", "utc": "1904-04-29T22:36:14Z", "ms": -2072481825809.5352 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-04-29", "window": { "start": { "local": "1904-04-29T12:23:04+08:00", "utc": "1904-04-29T04:23:04Z", "ms": -2072547416061.9133 }, "end": { "local": "1904-04-29T13:11:04+08:00", "utc": "1904-04-29T05:11:04Z", "ms": -2072544536061.9133 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-04-30", "window": { "start": { "local": "1904-04-30T12:22:55+08:00", "utc": "1904-04-30T04:22:55Z", "ms": -2072461024811.482 }, "end": { "local": "1904-04-30T13:10:55+08:00", "utc": "1904-04-30T05:10:55Z", "ms": -2072458144811.482 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr.", "fact": "1904-04-29T00:51:06Z → 1904-04-29T22:36:14Z" }, { "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": "Pūrṇimā 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 12718 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1904: Friday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-04-29", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1904 falls on Friday 29 April. Pūrṇimā runs from 08:51 on Fri 29 Apr to 06:36 on Sat 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13075, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-05-03T02:38:07+08:00", "utc": "1904-05-02T18:38:07Z", "ms": -2072236912511.7615 }, "end": { "local": "1904-05-04T02:35:49+08:00", "utc": "1904-05-03T18:35:49Z", "ms": -2072150650524.6328 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-03T02:38:07+08:00", "utc": "1904-05-02T18:38:07Z", "ms": -2072236912511.7615 }, "end": { "local": "1904-05-04T02:35:49+08:00", "utc": "1904-05-03T18:35:49Z", "ms": -2072150650524.6328 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-05-02", "window": { "start": { "local": "1904-05-02T22:03:09+08:00", "utc": "1904-05-02T14:03:09Z", "ms": -2072253410694.4014 }, "end": { "local": "1904-05-02T22:03:09+08:00", "utc": "1904-05-02T14:03:09Z", "ms": -2072253410694.4014 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-05-03", "window": { "start": { "local": "1904-05-03T22:57:54+08:00", "utc": "1904-05-03T14:57:54Z", "ms": -2072163725763.3027 }, "end": { "local": "1904-05-03T22:57:54+08:00", "utc": "1904-05-03T14:57:54Z", "ms": -2072163725763.3027 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:38 on Tue 3 May to 02:36 on Wed 4 May.", "fact": "1904-05-02T18:38:07Z → 1904-05-03T18:35:49Z" }, { "step": "kaala", "text": "Moonrise is at 22:03 on the 2nd and 22:58 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13075 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Tuesday 3 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": "1904-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-03", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Tuesday 3 May. Caturthī runs from 02:38 on Tue 3 May to 02:36 on Wed 4 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-05-11", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29707, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-05-10T14:04:32+08:00", "utc": "1904-05-10T06:04:32Z", "ms": -2071590927657.4963 }, "end": { "local": "1904-05-11T16:12:03+08:00", "utc": "1904-05-11T08:12:03Z", "ms": -2071496876635.394 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-10T14:04:32+08:00", "utc": "1904-05-10T06:04:32Z", "ms": -2071590927657.4963 }, "end": { "local": "1904-05-11T16:12:03+08:00", "utc": "1904-05-11T08:12:03Z", "ms": -2071496876635.394 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-05-10", "window": { "start": { "local": "1904-05-10T05:49:26+08:00", "utc": "1904-05-09T21:49:26Z", "ms": -2071620634457.724 }, "end": { "local": "1904-05-10T05:49:26+08:00", "utc": "1904-05-09T21:49:26Z", "ms": -2071620634457.724 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-05-11", "window": { "start": { "local": "1904-05-11T05:48:31+08:00", "utc": "1904-05-10T21:48:31Z", "ms": -2071534288818.91 }, "end": { "local": "1904-05-11T05:48:31+08:00", "utc": "1904-05-10T21:48:31Z", "ms": -2071534288818.91 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:05 on Tue 10 May to 16:12 on Wed 11 May.", "fact": "1904-05-10T06:04:32Z → 1904-05-11T08:12:03Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 10th and 05:49 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29707 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1904: Wednesday 11 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": "1904-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1904 falls on Wednesday 11 May. Ekādaśī runs from 14:05 on Tue 10 May to 16:12 on Wed 11 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-05-11", "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/1904/pradosha-vrata?on=1904-05-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3303, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-05-12T17:49:14+08:00", "utc": "1904-05-12T09:49:14Z", "ms": -2071404645961.3743 }, "end": { "local": "1904-05-13T18:49:54+08:00", "utc": "1904-05-13T10:49:54Z", "ms": -2071314605986.6492 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-12T17:49:14+08:00", "utc": "1904-05-12T09:49:14Z", "ms": -2071404645961.3743 }, "end": { "local": "1904-05-13T18:49:54+08:00", "utc": "1904-05-13T10:49:54Z", "ms": -2071314605986.6492 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-05-12", "window": { "start": { "local": "1904-05-12T19:44:08+08:00", "utc": "1904-05-12T11:44:08Z", "ms": -2071397751588.0122 }, "end": { "local": "1904-05-12T21:04:29+08:00", "utc": "1904-05-12T13:04:29Z", "ms": -2071392930503.675 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "1904-05-13", "window": { "start": { "local": "1904-05-13T19:44:57+08:00", "utc": "1904-05-13T11:44:57Z", "ms": -2071311302805.6306 }, "end": { "local": "1904-05-13T21:05:05+08:00", "utc": "1904-05-13T13:05:05Z", "ms": -2071306494923.3447 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:49 on Thu 12 May to 18:50 on Fri 13 May.", "fact": "1904-05-12T09:49:14Z → 1904-05-13T10:49:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:44–21:04 on the 12th, 19:45–21:05 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 80 of 80 minutes on the 12th and 0 of 80 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3303 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Thursday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-12", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Thursday 12 May. Trayodaśī runs from 17:49 on Thu 12 May to 18:50 on Fri 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18554, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-05-13T18:49:54+08:00", "utc": "1904-05-13T10:49:54Z", "ms": -2071314605986.6492 }, "end": { "local": "1904-05-14T19:12:13+08:00", "utc": "1904-05-14T11:12:13Z", "ms": -2071226867034.7017 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-13T18:49:54+08:00", "utc": "1904-05-13T10:49:54Z", "ms": -2071314605986.6492 }, "end": { "local": "1904-05-14T19:12:13+08:00", "utc": "1904-05-14T11:12:13Z", "ms": -2071226867034.7017 } }, "kaala": "nishita", "days": [ { "local_date": "1904-05-13", "window": { "start": { "local": "1904-05-14T00:21:27+08:00", "utc": "1904-05-13T16:21:27Z", "ms": -2071294713247.059 }, "end": { "local": "1904-05-14T01:09:27+08:00", "utc": "1904-05-13T17:09:27Z", "ms": -2071291833247.059 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-05-14", "window": { "start": { "local": "1904-05-15T00:21:27+08:00", "utc": "1904-05-14T16:21:27Z", "ms": -2071208313388.4429 }, "end": { "local": "1904-05-15T01:09:27+08:00", "utc": "1904-05-14T17:09:27Z", "ms": -2071205433388.4429 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:50 on Fri 13 May to 19:12 on Sat 14 May.", "fact": "1904-05-13T10:49:54Z → 1904-05-14T11:12:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 13th, 00:21–01:09 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18554 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Friday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Friday 13 May. Caturdaśī runs from 18:50 on Fri 13 May to 19:12 on Sat 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-05-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1462, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-05-18T15:23:26+08:00", "utc": "1904-05-18T07:23:26Z", "ms": -2070894994053.782 }, "end": { "local": "1904-05-19T13:34:17+08:00", "utc": "1904-05-19T05:34:17Z", "ms": -2070815143032.4167 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-18T15:23:26+08:00", "utc": "1904-05-18T07:23:26Z", "ms": -2070894994053.782 }, "end": { "local": "1904-05-19T13:34:17+08:00", "utc": "1904-05-19T05:34:17Z", "ms": -2070815143032.4167 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-05-18", "window": { "start": { "local": "1904-05-18T12:21:53+08:00", "utc": "1904-05-18T04:21:53Z", "ms": -2070905886760.0469 }, "end": { "local": "1904-05-18T13:09:53+08:00", "utc": "1904-05-18T05:09:53Z", "ms": -2070903006760.0469 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-05-19", "window": { "start": { "local": "1904-05-19T12:21:55+08:00", "utc": "1904-05-19T04:21:55Z", "ms": -2070819484840.2336 }, "end": { "local": "1904-05-19T13:09:55+08:00", "utc": "1904-05-19T05:09:55Z", "ms": -2070816604840.2336 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:23 on Wed 18 May to 13:34 on Thu 19 May.", "fact": "1904-05-18T07:23:26Z → 1904-05-19T05:34:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 18th, 12:22–13:10 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1462 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Thursday 19 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": "1904-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-19", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Thursday 19 May. Caturthī runs from 15:23 on Wed 18 May to 13:34 on Thu 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-05-19", "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/1904/ekadashi?on=1904-05-25", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16626, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-05-25T01:01:15+08:00", "utc": "1904-05-24T17:01:15Z", "ms": -2070341925408.8098 }, "end": { "local": "1904-05-25T23:00:20+08:00", "utc": "1904-05-25T15:00:20Z", "ms": -2070262780371.8477 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-25T01:01:15+08:00", "utc": "1904-05-24T17:01:15Z", "ms": -2070341925408.8098 }, "end": { "local": "1904-05-25T23:00:20+08:00", "utc": "1904-05-25T15:00:20Z", "ms": -2070262780371.8477 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-05-25", "window": { "start": { "local": "1904-05-25T05:38:21+08:00", "utc": "1904-05-24T21:38:21Z", "ms": -2070325298952.5796 }, "end": { "local": "1904-05-25T05:38:21+08:00", "utc": "1904-05-24T21:38:21Z", "ms": -2070325298952.5796 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-05-26", "window": { "start": { "local": "1904-05-26T05:37:49+08:00", "utc": "1904-05-25T21:37:49Z", "ms": -2070238931065.241 }, "end": { "local": "1904-05-26T05:37:49+08:00", "utc": "1904-05-25T21:37:49Z", "ms": -2070238931065.241 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:01 on Wed 25 May to 23:00 on Wed 25 May.", "fact": "1904-05-24T17:01:15Z → 1904-05-25T15:00:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 25th and 05:38 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16626 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Qingyang, 1904: Wednesday 25 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": "1904-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Ekādaśī 1904 falls on Wednesday 25 May. Ekādaśī runs from 01:01 on Wed 25 May to 23:00 on Wed 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-05-25", "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/1904/pradosha-vrata?on=1904-05-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 352, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-05-26T21:06:44+08:00", "utc": "1904-05-26T13:06:44Z", "ms": -2070183196119.0857 }, "end": { "local": "1904-05-27T19:24:26+08:00", "utc": "1904-05-27T11:24:26Z", "ms": -2070102933677.6223 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-05-26T21:06:44+08:00", "utc": "1904-05-26T13:06:44Z", "ms": -2070183196119.0857 }, "end": { "local": "1904-05-27T19:24:26+08:00", "utc": "1904-05-27T11:24:26Z", "ms": -2070102933677.6223 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-05-26", "window": { "start": { "local": "1904-05-26T19:54:57+08:00", "utc": "1904-05-26T11:54:57Z", "ms": -2070187503210.8394 }, "end": { "local": "1904-05-26T21:12:36+08:00", "utc": "1904-05-26T13:12:36Z", "ms": -2070182844324.3364 } }, "covered_min": 6, "window_min": 78, "qualifies": true }, { "local_date": "1904-05-27", "window": { "start": { "local": "1904-05-27T19:55:39+08:00", "utc": "1904-05-27T11:55:39Z", "ms": -2070101060922.103 }, "end": { "local": "1904-05-27T21:13:08+08:00", "utc": "1904-05-27T13:13:08Z", "ms": -2070096411522.8887 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:07 on Thu 26 May to 19:24 on Fri 27 May.", "fact": "1904-05-26T13:06:44Z → 1904-05-27T11:24:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:55–21:13 on the 26th, 19:56–21:13 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 6 of 78 minutes on the 26th and 0 of 77 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 352 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Thursday 26 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": "1904-05-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Thursday 26 May. Trayodaśī runs from 21:07 on Thu 26 May to 19:24 on Fri 27 May and covers 6 of 78 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/sankashta-chaturthi?on=1904-06-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18305, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-06-01T16:51:21+08:00", "utc": "1904-06-01T08:51:21Z", "ms": -2069680119279.0603 }, "end": { "local": "1904-06-02T18:04:14+08:00", "utc": "1904-06-02T10:04:14Z", "ms": -2069589345735.3333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-01T16:51:21+08:00", "utc": "1904-06-01T08:51:21Z", "ms": -2069680119279.0603 }, "end": { "local": "1904-06-02T18:04:14+08:00", "utc": "1904-06-02T10:04:14Z", "ms": -2069589345735.3333 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-06-01", "window": { "start": { "local": "1904-06-01T22:26:29+08:00", "utc": "1904-06-01T14:26:29Z", "ms": -2069660010867.9226 }, "end": { "local": "1904-06-01T22:26:29+08:00", "utc": "1904-06-01T14:26:29Z", "ms": -2069660010867.9226 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-06-02", "window": { "start": { "local": "1904-06-02T23:09:19+08:00", "utc": "1904-06-02T15:09:19Z", "ms": -2069571040646.6567 }, "end": { "local": "1904-06-02T23:09:19+08:00", "utc": "1904-06-02T15:09:19Z", "ms": -2069571040646.6567 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:51 on Wed 1 Jun to 18:04 on Thu 2 Jun.", "fact": "1904-06-01T08:51:21Z → 1904-06-02T10:04:14Z" }, { "step": "kaala", "text": "Moonrise is at 22:26 on the 1st and 23:09 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18305 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Wednesday 1 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": "1904-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-01", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Wednesday 1 June. Caturthī runs from 16:51 on Wed 1 Jun to 18:04 on Thu 2 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5379, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-06-09T07:02:53+08:00", "utc": "1904-06-08T23:02:53Z", "ms": -2069024226646.6401 }, "end": { "local": "1904-06-10T08:06:12+08:00", "utc": "1904-06-10T00:06:12Z", "ms": -2068934027594.1047 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-09T07:02:53+08:00", "utc": "1904-06-08T23:02:53Z", "ms": -2069024226646.6401 }, "end": { "local": "1904-06-10T08:06:12+08:00", "utc": "1904-06-10T00:06:12Z", "ms": -2068934027594.1047 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-06-09", "window": { "start": { "local": "1904-06-09T05:33:14+08:00", "utc": "1904-06-08T21:33:14Z", "ms": -2069029605748.4824 }, "end": { "local": "1904-06-09T05:33:14+08:00", "utc": "1904-06-08T21:33:14Z", "ms": -2069029605748.4824 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-06-10", "window": { "start": { "local": "1904-06-10T05:33:07+08:00", "utc": "1904-06-09T21:33:07Z", "ms": -2068943212634.552 }, "end": { "local": "1904-06-10T05:33:07+08:00", "utc": "1904-06-09T21:33:07Z", "ms": -2068943212634.552 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:03 on Thu 9 Jun to 08:06 on Fri 10 Jun.", "fact": "1904-06-08T23:02:53Z → 1904-06-10T00:06:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 9th and 05:33 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 5379 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Qingyang, 1904: Friday 10 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": "1904-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-10", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Ekādaśī 1904 falls on Friday 10 June. Ekādaśī runs from 07:03 on Thu 9 Jun to 08:06 on Fri 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38301, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-06-11T08:24:48+08:00", "utc": "1904-06-11T00:24:48Z", "ms": -2068846511969.954 }, "end": { "local": "1904-06-12T07:58:39+08:00", "utc": "1904-06-11T23:58:39Z", "ms": -2068761680837.187 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-11T08:24:48+08:00", "utc": "1904-06-11T00:24:48Z", "ms": -2068846511969.954 }, "end": { "local": "1904-06-12T07:58:39+08:00", "utc": "1904-06-11T23:58:39Z", "ms": -2068761680837.187 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-06-10", "window": { "start": { "local": "1904-06-10T20:04:02+08:00", "utc": "1904-06-10T12:04:02Z", "ms": -2068890958002.781 }, "end": { "local": "1904-06-10T21:19:54+08:00", "utc": "1904-06-10T13:19:54Z", "ms": -2068886405980.0557 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1904-06-11", "window": { "start": { "local": "1904-06-11T20:04:30+08:00", "utc": "1904-06-11T12:04:30Z", "ms": -2068804529831.4243 }, "end": { "local": "1904-06-11T21:20:18+08:00", "utc": "1904-06-11T13:20:18Z", "ms": -2068799982034.263 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:25 on Sat 11 Jun to 07:59 on Sun 12 Jun.", "fact": "1904-06-11T00:24:48Z → 1904-06-11T23:58:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:04–21:20 on the 10th, 20:05–21:20 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 76 minutes on the 10th and 76 of 76 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 38301 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Saturday 11 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": "1904-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-11", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 11 June. Trayodaśī runs from 08:25 on Sat 11 Jun to 07:59 on Sun 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20320, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-06-12T07:58:39+08:00", "utc": "1904-06-11T23:58:39Z", "ms": -2068761680837.187 }, "end": { "local": "1904-06-13T06:51:37+08:00", "utc": "1904-06-12T22:51:37Z", "ms": -2068679302998.5327 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-12T07:58:39+08:00", "utc": "1904-06-11T23:58:39Z", "ms": -2068761680837.187 }, "end": { "local": "1904-06-13T06:51:37+08:00", "utc": "1904-06-12T22:51:37Z", "ms": -2068679302998.5327 } }, "kaala": "nishita", "days": [ { "local_date": "1904-06-11", "window": { "start": { "local": "1904-06-12T00:24:44+08:00", "utc": "1904-06-11T16:24:44Z", "ms": -2068788915592.0688 }, "end": { "local": "1904-06-12T01:12:44+08:00", "utc": "1904-06-11T17:12:44Z", "ms": -2068786035592.0688 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-06-12", "window": { "start": { "local": "1904-06-13T00:24:57+08:00", "utc": "1904-06-12T16:24:57Z", "ms": -2068702503047.6514 }, "end": { "local": "1904-06-13T01:12:57+08:00", "utc": "1904-06-12T17:12:57Z", "ms": -2068699623047.6514 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:59 on Sun 12 Jun to 06:52 on Mon 13 Jun.", "fact": "1904-06-11T23:58:39Z → 1904-06-12T22:51:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 11th, 00:25–01:13 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20320 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Sunday 12 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": "1904-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-12", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Sunday 12 June. Caturdaśī runs from 07:59 on Sun 12 Jun to 06:52 on Mon 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-06-12", "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/1904/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31658, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-06-16T00:36:44+08:00", "utc": "1904-06-15T16:36:44Z", "ms": -2068442596014.9202 }, "end": { "local": "1904-06-16T22:01:24+08:00", "utc": "1904-06-16T14:01:24Z", "ms": -2068365515816.0479 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-16T00:36:44+08:00", "utc": "1904-06-15T16:36:44Z", "ms": -2068442596014.9202 }, "end": { "local": "1904-06-16T22:01:24+08:00", "utc": "1904-06-16T14:01:24Z", "ms": -2068365515816.0479 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-06-15", "window": { "start": { "local": "1904-06-15T12:25:34+08:00", "utc": "1904-06-15T04:25:34Z", "ms": -2068486465886.4778 }, "end": { "local": "1904-06-15T13:13:34+08:00", "utc": "1904-06-15T05:13:34Z", "ms": -2068483585886.4778 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-06-16", "window": { "start": { "local": "1904-06-16T12:25:46+08:00", "utc": "1904-06-16T04:25:46Z", "ms": -2068400053534.1782 }, "end": { "local": "1904-06-16T13:13:46+08:00", "utc": "1904-06-16T05:13:46Z", "ms": -2068397173534.1782 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:37 on Thu 16 Jun to 22:01 on Thu 16 Jun.", "fact": "1904-06-15T16:36:44Z → 1904-06-16T14:01:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 15th, 12:26–13:14 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31658 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1904: Thursday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-16", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1904 falls on Thursday 16 June. Tṛtīyā runs from 00:37 on Thu 16 Jun to 22:01 on Thu 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-06-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22190, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-06-16T22:01:24+08:00", "utc": "1904-06-16T14:01:24Z", "ms": -2068365515816.0479 }, "end": { "local": "1904-06-17T19:23:49+08:00", "utc": "1904-06-17T11:23:49Z", "ms": -2068288571211.8213 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-16T22:01:24+08:00", "utc": "1904-06-16T14:01:24Z", "ms": -2068365515816.0479 }, "end": { "local": "1904-06-17T19:23:49+08:00", "utc": "1904-06-17T11:23:49Z", "ms": -2068288571211.8213 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-06-16", "window": { "start": { "local": "1904-06-16T12:25:46+08:00", "utc": "1904-06-16T04:25:46Z", "ms": -2068400053534.1782 }, "end": { "local": "1904-06-16T13:13:46+08:00", "utc": "1904-06-16T05:13:46Z", "ms": -2068397173534.1782 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-06-17", "window": { "start": { "local": "1904-06-17T12:25:59+08:00", "utc": "1904-06-17T04:25:59Z", "ms": -2068313641090.983 }, "end": { "local": "1904-06-17T13:13:59+08:00", "utc": "1904-06-17T05:13:59Z", "ms": -2068310761090.983 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:01 on Thu 16 Jun to 19:24 on Fri 17 Jun.", "fact": "1904-06-16T14:01:24Z → 1904-06-17T11:23:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 16th, 12:26–13:14 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22190 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Friday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-17", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Friday 17 June. Caturthī runs from 22:01 on Thu 16 Jun to 19:24 on Fri 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4238, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-06-18T16:50:07+08:00", "utc": "1904-06-18T08:50:07Z", "ms": -2068211392647.2668 }, "end": { "local": "1904-06-19T14:25:02+08:00", "utc": "1904-06-19T06:25:02Z", "ms": -2068133697745.9949 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-18T16:50:07+08:00", "utc": "1904-06-18T08:50:07Z", "ms": -2068211392647.2668 }, "end": { "local": "1904-06-19T14:25:02+08:00", "utc": "1904-06-19T06:25:02Z", "ms": -2068133697745.9949 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-06-18", "window": { "start": { "local": "1904-06-18T12:26:11+08:00", "utc": "1904-06-18T04:26:11Z", "ms": -2068227228584.254 }, "end": { "local": "1904-06-18T13:14:11+08:00", "utc": "1904-06-18T05:14:11Z", "ms": -2068224348584.254 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-06-19", "window": { "start": { "local": "1904-06-19T12:26:24+08:00", "utc": "1904-06-19T04:26:24Z", "ms": -2068140816040.3716 }, "end": { "local": "1904-06-19T13:14:24+08:00", "utc": "1904-06-19T05:14:24Z", "ms": -2068137936040.3716 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:50 on Sat 18 Jun to 14:25 on Sun 19 Jun.", "fact": "1904-06-18T08:50:07Z → 1904-06-19T06:25:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 18th, 12:26–13:14 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4238 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1904: Sunday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-19", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1904 falls on Sunday 19 June. Ṣaṣṭhī runs from 16:50 on Sat 18 Jun to 14:25 on Sun 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4238, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-06-18T16:50:07+08:00", "utc": "1904-06-18T08:50:07Z", "ms": -2068211392647.2668 }, "end": { "local": "1904-06-19T14:25:02+08:00", "utc": "1904-06-19T06:25:02Z", "ms": -2068133697745.9949 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-18T16:50:07+08:00", "utc": "1904-06-18T08:50:07Z", "ms": -2068211392647.2668 }, "end": { "local": "1904-06-19T14:25:02+08:00", "utc": "1904-06-19T06:25:02Z", "ms": -2068133697745.9949 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-06-18", "window": { "start": { "local": "1904-06-18T12:26:11+08:00", "utc": "1904-06-18T04:26:11Z", "ms": -2068227228584.254 }, "end": { "local": "1904-06-18T13:14:11+08:00", "utc": "1904-06-18T05:14:11Z", "ms": -2068224348584.254 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-06-19", "window": { "start": { "local": "1904-06-19T12:26:24+08:00", "utc": "1904-06-19T04:26:24Z", "ms": -2068140816040.3716 }, "end": { "local": "1904-06-19T13:14:24+08:00", "utc": "1904-06-19T05:14:24Z", "ms": -2068137936040.3716 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:50 on Sat 18 Jun to 14:25 on Sun 19 Jun.", "fact": "1904-06-18T08:50:07Z → 1904-06-19T06:25:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 18th, 12:26–13:14 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4238 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1904: Sunday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-19", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1904 falls on Sunday 19 June. Ṣaṣṭhī runs from 16:50 on Sat 18 Jun to 14:25 on Sun 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-06-24", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 714, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-06-23T06:58:45+08:00", "utc": "1904-06-22T22:58:45Z", "ms": -2067814875400.7966 }, "end": { "local": "1904-06-24T05:46:14+08:00", "utc": "1904-06-23T21:46:14Z", "ms": -2067732825502.9485 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-23T06:58:45+08:00", "utc": "1904-06-22T22:58:45Z", "ms": -2067814875400.7966 }, "end": { "local": "1904-06-24T05:46:14+08:00", "utc": "1904-06-23T21:46:14Z", "ms": -2067732825502.9485 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-06-23", "window": { "start": { "local": "1904-06-23T05:34:06+08:00", "utc": "1904-06-22T21:34:06Z", "ms": -2067819954342.7266 }, "end": { "local": "1904-06-23T05:34:06+08:00", "utc": "1904-06-22T21:34:06Z", "ms": -2067819954342.7266 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-06-24", "window": { "start": { "local": "1904-06-24T05:34:21+08:00", "utc": "1904-06-23T21:34:21Z", "ms": -2067733539177.1484 }, "end": { "local": "1904-06-24T05:34:21+08:00", "utc": "1904-06-23T21:34:21Z", "ms": -2067733539177.1484 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:59 on Thu 23 Jun to 05:46 on Fri 24 Jun.", "fact": "1904-06-22T22:58:45Z → 1904-06-23T21:46:14Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 23rd and 05:34 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 714 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1904: Friday 24 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": "1904-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-24", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1904 falls on Friday 24 June. Ekādaśī runs from 06:59 on Thu 23 Jun to 05:46 on Fri 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-06-24", "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/1904/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24072, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-06-24T05:46:14+08:00", "utc": "1904-06-23T21:46:14Z", "ms": -2067732825502.9485 }, "end": { "local": "1904-06-25T04:51:46+08:00", "utc": "1904-06-24T20:51:46Z", "ms": -2067649693556.975 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-24T05:46:14+08:00", "utc": "1904-06-23T21:46:14Z", "ms": -2067732825502.9485 }, "end": { "local": "1904-06-25T04:51:46+08:00", "utc": "1904-06-24T20:51:46Z", "ms": -2067649693556.975 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-06-24", "window": { "start": { "local": "1904-06-24T12:27:26+08:00", "utc": "1904-06-24T04:27:26Z", "ms": -2067708753599.1677 }, "end": { "local": "1904-06-24T13:15:26+08:00", "utc": "1904-06-24T05:15:26Z", "ms": -2067705873599.1677 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-06-25", "window": { "start": { "local": "1904-06-25T12:27:39+08:00", "utc": "1904-06-25T04:27:39Z", "ms": -2067622341317.8262 }, "end": { "local": "1904-06-25T13:15:39+08:00", "utc": "1904-06-25T05:15:39Z", "ms": -2067619461317.8262 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:46 on Fri 24 Jun to 04:52 on Sat 25 Jun.", "fact": "1904-06-23T21:46:14Z → 1904-06-24T20:51:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 24th, 12:28–13:16 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24072 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1904: Friday 24 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": "1904-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1904 falls on Friday 24 June. Dvādaśī runs from 05:46 on Fri 24 Jun to 04:52 on Sat 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-06-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24811, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-06-25T04:51:46+08:00", "utc": "1904-06-24T20:51:46Z", "ms": -2067649693556.975 }, "end": { "local": "1904-06-26T04:17:41+08:00", "utc": "1904-06-25T20:17:41Z", "ms": -2067565338847.1418 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-25T04:51:46+08:00", "utc": "1904-06-24T20:51:46Z", "ms": -2067649693556.975 }, "end": { "local": "1904-06-26T04:17:41+08:00", "utc": "1904-06-25T20:17:41Z", "ms": -2067565338847.1418 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-06-24", "window": { "start": { "local": "1904-06-24T20:08:32+08:00", "utc": "1904-06-24T12:08:32Z", "ms": -2067681088021.187 }, "end": { "local": "1904-06-24T21:24:01+08:00", "utc": "1904-06-24T13:24:01Z", "ms": -2067676559297.7942 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1904-06-25", "window": { "start": { "local": "1904-06-25T20:08:40+08:00", "utc": "1904-06-25T12:08:40Z", "ms": -2067594680039.912 }, "end": { "local": "1904-06-25T21:24:10+08:00", "utc": "1904-06-25T13:24:10Z", "ms": -2067590149984.2395 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:52 on Sat 25 Jun to 04:18 on Sun 26 Jun.", "fact": "1904-06-24T20:51:46Z → 1904-06-25T20:17:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:24 on the 24th, 20:09–21:24 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 75 minutes on the 24th and 76 of 76 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 24811 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Saturday 25 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": "1904-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-25", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Saturday 25 June. Trayodaśī runs from 04:52 on Sat 25 Jun to 04:18 on Sun 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24164, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-06-27T04:07:02+08:00", "utc": "1904-06-26T20:07:02Z", "ms": -2067479578239.7903 }, "end": { "local": "1904-06-28T04:23:08+08:00", "utc": "1904-06-27T20:23:08Z", "ms": -2067392211729.113 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1904-06-27T04:07:02+08:00", "utc": "1904-06-26T20:07:02Z", "ms": -2067479578239.7903 }, "end": { "local": "1904-06-28T04:23:08+08:00", "utc": "1904-06-27T20:23:08Z", "ms": -2067392211729.113 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-06-26", "window": { "start": { "local": "1904-06-26T20:08:46+08:00", "utc": "1904-06-26T12:08:46Z", "ms": -2067508273681.5156 }, "end": { "local": "1904-06-26T21:24:18+08:00", "utc": "1904-06-26T13:24:18Z", "ms": -2067503741894.8552 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1904-06-27", "window": { "start": { "local": "1904-06-27T20:08:51+08:00", "utc": "1904-06-27T12:08:51Z", "ms": -2067421868959.2273 }, "end": { "local": "1904-06-27T21:24:25+08:00", "utc": "1904-06-27T13:24:25Z", "ms": -2067417335044.4795 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:07 on Mon 27 Jun to 04:23 on Tue 28 Jun.", "fact": "1904-06-26T20:07:02Z → 1904-06-27T20:23:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:24 on the 26th, 20:09–21:24 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 76 minutes on the 26th and 76 of 76 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24164 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1904: Monday 27 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": "1904-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-06-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1904 falls on Monday 27 June. Pūrṇimā runs from 04:07 on Mon 27 Jun to 04:23 on Tue 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37604, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-07-01T08:12:40+08:00", "utc": "1904-07-01T00:12:40Z", "ms": -2067119240353.5337 }, "end": { "local": "1904-07-02T10:25:00+08:00", "utc": "1904-07-02T02:25:00Z", "ms": -2067024899884.6572 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-01T08:12:40+08:00", "utc": "1904-07-01T00:12:40Z", "ms": -2067119240353.5337 }, "end": { "local": "1904-07-02T10:25:00+08:00", "utc": "1904-07-02T02:25:00Z", "ms": -2067024899884.6572 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-06-30", "window": { "start": { "local": "1904-06-30T21:45:55+08:00", "utc": "1904-06-30T13:45:55Z", "ms": -2067156844661.8296 }, "end": { "local": "1904-06-30T21:45:55+08:00", "utc": "1904-06-30T13:45:55Z", "ms": -2067156844661.8296 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-07-01", "window": { "start": { "local": "1904-07-01T22:22:48+08:00", "utc": "1904-07-01T14:22:48Z", "ms": -2067068231714.5496 }, "end": { "local": "1904-07-01T22:22:48+08:00", "utc": "1904-07-01T14:22:48Z", "ms": -2067068231714.5496 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:13 on Fri 1 Jul to 10:25 on Sat 2 Jul.", "fact": "1904-07-01T00:12:40Z → 1904-07-02T02:25:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:46 on the 30th and 22:23 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37604 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Friday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-01", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Friday 1 July. Caturthī runs from 08:13 on Fri 1 Jul to 10:25 on Sat 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28599, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-07-08T21:44:05+08:00", "utc": "1904-07-08T13:44:05Z", "ms": -2066465755448.3203 }, "end": { "local": "1904-07-09T21:28:59+08:00", "utc": "1904-07-09T13:28:59Z", "ms": -2066380260522.542 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-08T21:44:05+08:00", "utc": "1904-07-08T13:44:05Z", "ms": -2066465755448.3203 }, "end": { "local": "1904-07-09T21:28:59+08:00", "utc": "1904-07-09T13:28:59Z", "ms": -2066380260522.542 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-07-09", "window": { "start": { "local": "1904-07-09T05:40:43+08:00", "utc": "1904-07-08T21:40:43Z", "ms": -2066437156745.7866 }, "end": { "local": "1904-07-09T05:40:43+08:00", "utc": "1904-07-08T21:40:43Z", "ms": -2066437156745.7866 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-07-10", "window": { "start": { "local": "1904-07-10T05:41:18+08:00", "utc": "1904-07-09T21:41:18Z", "ms": -2066350722303.8171 }, "end": { "local": "1904-07-10T05:41:18+08:00", "utc": "1904-07-09T21:41:18Z", "ms": -2066350722303.8171 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:44 on Fri 8 Jul to 21:29 on Sat 9 Jul.", "fact": "1904-07-08T13:44:05Z → 1904-07-09T13:28:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 9th and 05:41 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28599 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1904: Saturday 9 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": "1904-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1904 falls on Saturday 9 July. Ekādaśī runs from 21:44 on Fri 8 Jul to 21:29 on Sat 9 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-07-09", "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/1904/pradosha-vrata?on=1904-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1096, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-07-10T20:25:36+08:00", "utc": "1904-07-10T12:25:36Z", "ms": -2066297663992.3828 }, "end": { "local": "1904-07-11T18:38:53+08:00", "utc": "1904-07-11T10:38:53Z", "ms": -2066217667464.1113 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-10T20:25:36+08:00", "utc": "1904-07-10T12:25:36Z", "ms": -2066297663992.3828 }, "end": { "local": "1904-07-11T18:38:53+08:00", "utc": "1904-07-11T10:38:53Z", "ms": -2066217667464.1113 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-07-10", "window": { "start": { "local": "1904-07-10T20:07:20+08:00", "utc": "1904-07-10T12:07:20Z", "ms": -2066298760459.339 }, "end": { "local": "1904-07-10T21:23:56+08:00", "utc": "1904-07-10T13:23:56Z", "ms": -2066294163990.6628 } }, "covered_min": 58, "window_min": 77, "qualifies": true }, { "local_date": "1904-07-11", "window": { "start": { "local": "1904-07-11T20:07:01+08:00", "utc": "1904-07-11T12:07:01Z", "ms": -2066212379422.402 }, "end": { "local": "1904-07-11T21:23:44+08:00", "utc": "1904-07-11T13:23:44Z", "ms": -2066207775593.8064 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:26 on Sun 10 Jul to 18:39 on Mon 11 Jul.", "fact": "1904-07-10T12:25:36Z → 1904-07-11T10:38:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:24 on the 10th, 20:07–21:24 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 58 of 77 minutes on the 10th and 0 of 77 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 1096 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Sunday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-10", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Sunday 10 July. Trayodaśī runs from 20:26 on Sun 10 Jul to 18:39 on Mon 11 Jul and covers 58 of 77 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-07-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21112, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-07-11T18:38:53+08:00", "utc": "1904-07-11T10:38:53Z", "ms": -2066217667464.1113 }, "end": { "local": "1904-07-12T16:16:23+08:00", "utc": "1904-07-12T08:16:23Z", "ms": -2066139816807.596 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-11T18:38:53+08:00", "utc": "1904-07-11T10:38:53Z", "ms": -2066217667464.1113 }, "end": { "local": "1904-07-12T16:16:23+08:00", "utc": "1904-07-12T08:16:23Z", "ms": -2066139816807.596 } }, "kaala": "nishita", "days": [ { "local_date": "1904-07-11", "window": { "start": { "local": "1904-07-12T00:30:45+08:00", "utc": "1904-07-11T16:30:45Z", "ms": -2066196555065.1685 }, "end": { "local": "1904-07-12T01:18:45+08:00", "utc": "1904-07-11T17:18:45Z", "ms": -2066193675065.1685 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-07-12", "window": { "start": { "local": "1904-07-13T00:30:53+08:00", "utc": "1904-07-12T16:30:53Z", "ms": -2066110146865.69 }, "end": { "local": "1904-07-13T01:18:53+08:00", "utc": "1904-07-12T17:18:53Z", "ms": -2066107266865.69 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:39 on Mon 11 Jul to 16:16 on Tue 12 Jul.", "fact": "1904-07-11T10:38:53Z → 1904-07-12T08:16:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 11th, 00:31–01:19 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21112 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Monday 11 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": "1904-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-11", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Monday 11 July. Caturdaśī runs from 18:39 on Mon 11 Jul to 16:16 on Tue 12 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-07-11", "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/1904/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7791, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1904-07-14T10:20:58+08:00", "utc": "1904-07-14T02:20:58Z", "ms": -2065988341760.45 }, "end": { "local": "1904-07-15T07:07:16+08:00", "utc": "1904-07-14T23:07:16Z", "ms": -2065913563828.0618 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-14T10:20:58+08:00", "utc": "1904-07-14T02:20:58Z", "ms": -2065988341760.45 }, "end": { "local": "1904-07-15T07:07:16+08:00", "utc": "1904-07-14T23:07:16Z", "ms": -2065913563828.0618 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-07-14", "window": { "start": { "local": "1904-07-14T12:30:49+08:00", "utc": "1904-07-14T04:30:49Z", "ms": -2065980551167.7249 }, "end": { "local": "1904-07-14T13:18:49+08:00", "utc": "1904-07-14T05:18:49Z", "ms": -2065977671167.7249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-07-15", "window": { "start": { "local": "1904-07-15T12:30:55+08:00", "utc": "1904-07-15T04:30:55Z", "ms": -2065894144756.843 }, "end": { "local": "1904-07-15T13:18:55+08:00", "utc": "1904-07-15T05:18:55Z", "ms": -2065891264756.843 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:21 on Thu 14 Jul to 07:07 on Fri 15 Jul.", "fact": "1904-07-14T02:20:58Z → 1904-07-14T23:07:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 14th, 12:31–13:19 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7791 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1904: Thursday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-14", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1904 falls on Thursday 14 July. Dvitīyā runs from 10:21 on Thu 14 Jul to 07:07 on Fri 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30958, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-07-16T03:55:03+08:00", "utc": "1904-07-15T19:55:03Z", "ms": -2065838697268.0552 }, "end": { "local": "1904-07-17T00:52:14+08:00", "utc": "1904-07-16T16:52:14Z", "ms": -2065763265759.7737 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-16T03:55:03+08:00", "utc": "1904-07-15T19:55:03Z", "ms": -2065838697268.0552 }, "end": { "local": "1904-07-17T00:52:14+08:00", "utc": "1904-07-16T16:52:14Z", "ms": -2065763265759.7737 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-07-16", "window": { "start": { "local": "1904-07-16T12:31:01+08:00", "utc": "1904-07-16T04:31:01Z", "ms": -2065807738842.327 }, "end": { "local": "1904-07-16T13:19:01+08:00", "utc": "1904-07-16T05:19:01Z", "ms": -2065804858842.327 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-07-17", "window": { "start": { "local": "1904-07-17T12:31:07+08:00", "utc": "1904-07-17T04:31:07Z", "ms": -2065721333441.563 }, "end": { "local": "1904-07-17T13:19:07+08:00", "utc": "1904-07-17T05:19:07Z", "ms": -2065718453441.563 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:55 on Sat 16 Jul to 00:52 on Sun 17 Jul.", "fact": "1904-07-15T19:55:03Z → 1904-07-16T16:52:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 16th, 12:31–13:19 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30958 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Saturday 16 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": "1904-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-16", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Saturday 16 July. Caturthī runs from 03:55 on Sat 16 Jul to 00:52 on Sun 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31582, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-07-17T00:52:14+08:00", "utc": "1904-07-16T16:52:14Z", "ms": -2065763265759.7737 }, "end": { "local": "1904-07-17T22:05:28+08:00", "utc": "1904-07-17T14:05:28Z", "ms": -2065686871760.9666 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-17T00:52:14+08:00", "utc": "1904-07-16T16:52:14Z", "ms": -2065763265759.7737 }, "end": { "local": "1904-07-17T22:05:28+08:00", "utc": "1904-07-17T14:05:28Z", "ms": -2065686871760.9666 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-07-16", "window": { "start": { "local": "1904-07-16T12:31:01+08:00", "utc": "1904-07-16T04:31:01Z", "ms": -2065807738842.327 }, "end": { "local": "1904-07-16T13:19:01+08:00", "utc": "1904-07-16T05:19:01Z", "ms": -2065804858842.327 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-07-17", "window": { "start": { "local": "1904-07-17T12:31:07+08:00", "utc": "1904-07-17T04:31:07Z", "ms": -2065721333441.563 }, "end": { "local": "1904-07-17T13:19:07+08:00", "utc": "1904-07-17T05:19:07Z", "ms": -2065718453441.563 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:52 on Sun 17 Jul to 22:05 on Sun 17 Jul.", "fact": "1904-07-16T16:52:14Z → 1904-07-17T14:05:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 16th, 12:31–13:19 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31582 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1904: Sunday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-17", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1904 falls on Sunday 17 July. Pañcamī runs from 00:52 on Sun 17 Jul to 22:05 on Sun 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15580, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-07-18T19:39:51+08:00", "utc": "1904-07-18T11:39:51Z", "ms": -2065609208511.3027 }, "end": { "local": "1904-07-19T17:38:56+08:00", "utc": "1904-07-19T09:38:56Z", "ms": -2065530064277.9058 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-18T19:39:51+08:00", "utc": "1904-07-18T11:39:51Z", "ms": -2065609208511.3027 }, "end": { "local": "1904-07-19T17:38:56+08:00", "utc": "1904-07-19T09:38:56Z", "ms": -2065530064277.9058 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-07-18", "window": { "start": { "local": "1904-07-18T12:31:11+08:00", "utc": "1904-07-18T04:31:11Z", "ms": -2065634928569.8857 }, "end": { "local": "1904-07-18T13:19:11+08:00", "utc": "1904-07-18T05:19:11Z", "ms": -2065632048569.8857 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-07-19", "window": { "start": { "local": "1904-07-19T12:31:16+08:00", "utc": "1904-07-19T04:31:16Z", "ms": -2065548524240.4487 }, "end": { "local": "1904-07-19T13:19:16+08:00", "utc": "1904-07-19T05:19:16Z", "ms": -2065545644240.4487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:40 on Mon 18 Jul to 17:39 on Tue 19 Jul.", "fact": "1904-07-18T11:39:51Z → 1904-07-19T09:38:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 18th, 12:31–13:19 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15580 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1904: Tuesday 19 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": "1904-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-19", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1904 falls on Tuesday 19 July. Saptamī runs from 19:40 on Mon 18 Jul to 17:39 on Tue 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-07-23", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29813, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-07-22T14:18:52+08:00", "utc": "1904-07-22T06:18:52Z", "ms": -2065282868377.743 }, "end": { "local": "1904-07-23T14:06:47+08:00", "utc": "1904-07-23T06:06:47Z", "ms": -2065197193316.5579 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-22T14:18:52+08:00", "utc": "1904-07-22T06:18:52Z", "ms": -2065282868377.743 }, "end": { "local": "1904-07-23T14:06:47+08:00", "utc": "1904-07-23T06:06:47Z", "ms": -2065197193316.5579 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-07-22", "window": { "start": { "local": "1904-07-22T05:49:11+08:00", "utc": "1904-07-21T21:49:11Z", "ms": -2065313449200.781 }, "end": { "local": "1904-07-22T05:49:11+08:00", "utc": "1904-07-21T21:49:11Z", "ms": -2065313449200.781 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-07-23", "window": { "start": { "local": "1904-07-23T05:49:54+08:00", "utc": "1904-07-22T21:49:54Z", "ms": -2065227005968.6152 }, "end": { "local": "1904-07-23T05:49:54+08:00", "utc": "1904-07-22T21:49:54Z", "ms": -2065227005968.6152 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:19 on Fri 22 Jul to 14:07 on Sat 23 Jul.", "fact": "1904-07-22T06:18:52Z → 1904-07-23T06:06:47Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 22nd and 05:50 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 29813 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1904: Saturday 23 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": "1904-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-23", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1904 falls on Saturday 23 July. Ekādaśī runs from 14:19 on Fri 22 Jul to 14:07 on Sat 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-07-23", "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/1904/pradosha-vrata?on=1904-07-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17840, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-07-24T14:21:21+08:00", "utc": "1904-07-24T06:21:21Z", "ms": -2065109918774.8452 }, "end": { "local": "1904-07-25T15:02:17+08:00", "utc": "1904-07-25T07:02:17Z", "ms": -2065021062523.7063 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-24T14:21:21+08:00", "utc": "1904-07-24T06:21:21Z", "ms": -2065109918774.8452 }, "end": { "local": "1904-07-25T15:02:17+08:00", "utc": "1904-07-25T07:02:17Z", "ms": -2065021062523.7063 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-07-24", "window": { "start": { "local": "1904-07-24T20:00:20+08:00", "utc": "1904-07-24T12:00:20Z", "ms": -2065089579793.4668 }, "end": { "local": "1904-07-24T21:19:08+08:00", "utc": "1904-07-24T13:19:08Z", "ms": -2065084851587.2805 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1904-07-25", "window": { "start": { "local": "1904-07-25T19:59:38+08:00", "utc": "1904-07-25T11:59:38Z", "ms": -2065003222046.1233 }, "end": { "local": "1904-07-25T21:18:38+08:00", "utc": "1904-07-25T13:18:38Z", "ms": -2064998482281.7034 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:21 on Sun 24 Jul to 15:02 on Mon 25 Jul.", "fact": "1904-07-24T06:21:21Z → 1904-07-25T07:02:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:00–21:19 on the 24th, 20:00–21:19 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 79 of 79 minutes on the 24th and 0 of 79 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17840 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Sunday 24 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": "1904-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-24", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Sunday 24 July. Trayodaśī runs from 14:21 on Sun 24 Jul to 15:02 on Mon 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1963, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 } }, "kaala": "sayahna", "days": [ { "local_date": "1904-07-26", "window": { "start": { "local": "1904-07-26T17:09:33+08:00", "utc": "1904-07-26T09:09:33Z", "ms": -2064927027437.9165 }, "end": { "local": "1904-07-26T19:58:54+08:00", "utc": "1904-07-26T11:58:54Z", "ms": -2064916865844.152 } }, "covered_min": 169, "window_min": 169, "qualifies": true }, { "local_date": "1904-07-27", "window": { "start": { "local": "1904-07-27T17:09:05+08:00", "utc": "1904-07-27T09:09:05Z", "ms": -2064840654737.9685 }, "end": { "local": "1904-07-27T19:58:09+08:00", "utc": "1904-07-27T11:58:09Z", "ms": -2064830511164.5613 } }, "covered_min": 33, "window_min": 169, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul.", "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:10–19:59 on the 26th, 17:09–19:58 on the 27th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 169 of 169 minutes on the 26th and 33 of 169 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1963 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1904: Tuesday 26 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1904-07-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-26", "confidence": "boundary" } ], "quote": "In Qingyang, Kokilā Vrata 1904 falls on Tuesday 26 July. Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 33 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/1904/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/1904/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8180, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-07-26", "window": { "start": { "local": "1904-07-26T19:58:54+08:00", "utc": "1904-07-26T11:58:54Z", "ms": -2064916865844.152 }, "end": { "local": "1904-07-26T21:18:06+08:00", "utc": "1904-07-26T13:18:06Z", "ms": -2064912114269.1448 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "1904-07-27", "window": { "start": { "local": "1904-07-27T19:58:09+08:00", "utc": "1904-07-27T11:58:09Z", "ms": -2064830511164.5613 }, "end": { "local": "1904-07-27T21:17:32+08:00", "utc": "1904-07-27T13:17:32Z", "ms": -2064825747532.9998 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul.", "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:18 on the 26th, 19:58–21:18 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 26th and 0 of 79 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8180 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1904: Tuesday 26 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": "1904-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-26", "confidence": "determinate" } ], "quote": "In Qingyang, Śiva Śayanotsava 1904 falls on Tuesday 26 July. Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26872, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 } }, "kaala": "udaya-3", "days": [ { "local_date": "1904-07-26", "window": { "start": { "local": "1904-07-26T05:52:06+08:00", "utc": "1904-07-25T21:52:06Z", "ms": -2064967673812.9744 }, "end": { "local": "1904-07-26T08:41:28+08:00", "utc": "1904-07-26T00:41:28Z", "ms": -2064957512219.21 } }, "covered_min": 0, "window_min": 169, "qualifies": false }, { "local_date": "1904-07-27", "window": { "start": { "local": "1904-07-27T05:52:51+08:00", "utc": "1904-07-26T21:52:51Z", "ms": -2064881229031.597 }, "end": { "local": "1904-07-27T08:41:55+08:00", "utc": "1904-07-27T00:41:55Z", "ms": -2064871085458.1897 } }, "covered_min": 169, "window_min": 169, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul.", "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:52–08:41 on the 26th, 05:53–08:42 on the 27th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 169 minutes on the 26th and 169 of 169 on the 27th.", "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 26872 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1904: Wednesday 27 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": "1904-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1904 falls on Wednesday 27 July. Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10189, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1904-07-26T16:09:19+08:00", "utc": "1904-07-26T08:09:19Z", "ms": -2064930640590.7183 }, "end": { "local": "1904-07-27T17:41:48+08:00", "utc": "1904-07-27T09:41:48Z", "ms": -2064838691656.2798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-07-26", "window": { "start": { "local": "1904-07-26T12:31:30+08:00", "utc": "1904-07-26T04:31:30Z", "ms": -2064943709828.5632 }, "end": { "local": "1904-07-26T13:19:30+08:00", "utc": "1904-07-26T05:19:30Z", "ms": -2064940829828.5632 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-07-27", "window": { "start": { "local": "1904-07-27T12:31:30+08:00", "utc": "1904-07-27T04:31:30Z", "ms": -2064857310098.079 }, "end": { "local": "1904-07-27T13:19:30+08:00", "utc": "1904-07-27T05:19:30Z", "ms": -2064854430098.079 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul.", "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 26th, 12:31–13:19 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10189 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1904: Wednesday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-27", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1904 falls on Wednesday 27 July. Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2663, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1904-07-28T19:38:04+08:00", "utc": "1904-07-28T11:38:04Z", "ms": -2064745316192.9365 }, "end": { "local": "1904-07-29T21:54:37+08:00", "utc": "1904-07-29T13:54:37Z", "ms": -2064650722814.0242 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-07-28T19:38:04+08:00", "utc": "1904-07-28T11:38:04Z", "ms": -2064745316192.9365 }, "end": { "local": "1904-07-29T21:54:37+08:00", "utc": "1904-07-29T13:54:37Z", "ms": -2064650722814.0242 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-07-28", "window": { "start": { "local": "1904-07-28T20:22:27+08:00", "utc": "1904-07-28T12:22:27Z", "ms": -2064742653198.7952 }, "end": { "local": "1904-07-28T20:22:27+08:00", "utc": "1904-07-28T12:22:27Z", "ms": -2064742653198.7952 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-07-29", "window": { "start": { "local": "1904-07-29T20:57:35+08:00", "utc": "1904-07-29T12:57:35Z", "ms": -2064654145241.8987 }, "end": { "local": "1904-07-29T20:57:35+08:00", "utc": "1904-07-29T12:57:35Z", "ms": -2064654145241.8987 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:38 on Thu 28 Jul to 21:55 on Fri 29 Jul.", "fact": "1904-07-28T11:38:04Z → 1904-07-29T13:54:37Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 28th and 20:58 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2663 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1904: Thursday 28 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1904-07-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-28", "confidence": "boundary" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1904 falls on Thursday 28 July. Dvitīyā runs from 19:38 on Thu 28 Jul to 21:55 on Fri 29 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10504, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-07-31T00:25:31+08:00", "utc": "1904-07-30T16:25:31Z", "ms": -2064555269339.848 }, "end": { "local": "1904-08-01T03:01:58+08:00", "utc": "1904-07-31T19:01:58Z", "ms": -2064459481996.01 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-07-31T00:25:31+08:00", "utc": "1904-07-30T16:25:31Z", "ms": -2064555269339.848 }, "end": { "local": "1904-08-01T03:01:58+08:00", "utc": "1904-07-31T19:01:58Z", "ms": -2064459481996.01 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-07-30", "window": { "start": { "local": "1904-07-30T21:30:27+08:00", "utc": "1904-07-30T13:30:27Z", "ms": -2064565772958.4448 }, "end": { "local": "1904-07-30T21:30:27+08:00", "utc": "1904-07-30T13:30:27Z", "ms": -2064565772958.4448 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-07-31", "window": { "start": { "local": "1904-07-31T22:01:56+08:00", "utc": "1904-07-31T14:01:56Z", "ms": -2064477483608.3796 }, "end": { "local": "1904-07-31T22:01:56+08:00", "utc": "1904-07-31T14:01:56Z", "ms": -2064477483608.3796 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:26 on Sun 31 Jul to 03:02 on Mon 1 Aug.", "fact": "1904-07-30T16:25:31Z → 1904-07-31T19:01:58Z" }, { "step": "kaala", "text": "Moonrise is at 21:30 on the 30th and 22:02 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10504 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Sunday 31 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": "1904-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-07-31", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Sunday 31 July. Caturthī runs from 00:26 on Sun 31 Jul to 03:02 on Mon 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-08-08", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9300, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-08-07T10:03:01+08:00", "utc": "1904-08-07T02:03:01Z", "ms": -2063915818511.9307 }, "end": { "local": "1904-08-08T08:37:07+08:00", "utc": "1904-08-08T00:37:07Z", "ms": -2063834573334.064 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-07T10:03:01+08:00", "utc": "1904-08-07T02:03:01Z", "ms": -2063915818511.9307 }, "end": { "local": "1904-08-08T08:37:07+08:00", "utc": "1904-08-08T00:37:07Z", "ms": -2063834573334.064 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-08-07", "window": { "start": { "local": "1904-08-07T06:01:20+08:00", "utc": "1904-08-06T22:01:20Z", "ms": -2063930320113.676 }, "end": { "local": "1904-08-07T06:01:20+08:00", "utc": "1904-08-06T22:01:20Z", "ms": -2063930320113.676 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-08-08", "window": { "start": { "local": "1904-08-08T06:02:07+08:00", "utc": "1904-08-07T22:02:07Z", "ms": -2063843872911.7676 }, "end": { "local": "1904-08-08T06:02:07+08:00", "utc": "1904-08-07T22:02:07Z", "ms": -2063843872911.7676 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:03 on Sun 7 Aug to 08:37 on Mon 8 Aug.", "fact": "1904-08-07T02:03:01Z → 1904-08-08T00:37:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 7th and 06:02 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 9300 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1904: Monday 8 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": "1904-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1904 falls on Monday 8 August. Ekādaśī runs from 10:03 on Sun 7 Aug to 08:37 on Mon 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23592, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-08-09T06:27:33+08:00", "utc": "1904-08-08T22:27:33Z", "ms": -2063755947228.8774 }, "end": { "local": "1904-08-10T03:41:45+08:00", "utc": "1904-08-09T19:41:45Z", "ms": -2063679495436.4597 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-09T06:27:33+08:00", "utc": "1904-08-08T22:27:33Z", "ms": -2063755947228.8774 }, "end": { "local": "1904-08-10T03:41:45+08:00", "utc": "1904-08-09T19:41:45Z", "ms": -2063679495436.4597 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-08-08", "window": { "start": { "local": "1904-08-08T19:47:15+08:00", "utc": "1904-08-08T11:47:15Z", "ms": -2063794364795.8108 }, "end": { "local": "1904-08-08T21:09:20+08:00", "utc": "1904-08-08T13:09:20Z", "ms": -2063789439575.0735 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1904-08-09", "window": { "start": { "local": "1904-08-09T19:46:12+08:00", "utc": "1904-08-09T11:46:12Z", "ms": -2063708027642.4656 }, "end": { "local": "1904-08-09T21:08:32+08:00", "utc": "1904-08-09T13:08:32Z", "ms": -2063703087732.732 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:28 on Tue 9 Aug to 03:42 on Wed 10 Aug.", "fact": "1904-08-08T22:27:33Z → 1904-08-09T19:41:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:09 on the 8th, 19:46–21:09 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 82 minutes on the 8th and 82 of 82 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 23592 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Tuesday 9 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": "1904-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-09", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Tuesday 9 August. Trayodaśī runs from 06:28 on Tue 9 Aug to 03:42 on Wed 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-09", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 130, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-08-10T03:41:45+08:00", "utc": "1904-08-09T19:41:45Z", "ms": -2063679495436.4597 }, "end": { "local": "1904-08-11T00:28:39+08:00", "utc": "1904-08-10T16:28:39Z", "ms": -2063604680947.224 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-10T03:41:45+08:00", "utc": "1904-08-09T19:41:45Z", "ms": -2063679495436.4597 }, "end": { "local": "1904-08-11T00:28:39+08:00", "utc": "1904-08-10T16:28:39Z", "ms": -2063604680947.224 } }, "kaala": "nishita", "days": [ { "local_date": "1904-08-09", "window": { "start": { "local": "1904-08-10T00:30:57+08:00", "utc": "1904-08-09T16:30:57Z", "ms": -2063690942980.9648 }, "end": { "local": "1904-08-10T01:18:57+08:00", "utc": "1904-08-09T17:18:57Z", "ms": -2063688062980.9648 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-08-10", "window": { "start": { "local": "1904-08-11T00:30:49+08:00", "utc": "1904-08-10T16:30:49Z", "ms": -2063604551315.2798 }, "end": { "local": "1904-08-11T01:18:49+08:00", "utc": "1904-08-10T17:18:49Z", "ms": -2063601671315.2798 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:42 on Wed 10 Aug to 00:29 on Thu 11 Aug.", "fact": "1904-08-09T19:41:45Z → 1904-08-10T16:28:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 9th, 00:31–01:19 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 130 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Tuesday 9 August.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-09", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Tuesday 9 August. Caturdaśī runs from 03:42 on Wed 10 Aug to 00:29 on Thu 11 Aug, and reaches niśītha on neither day. It is 2 min 10 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1539, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-08-13T13:43:35+08:00", "utc": "1904-08-13T05:43:35Z", "ms": -2063384184507.8054 }, "end": { "local": "1904-08-14T10:18:42+08:00", "utc": "1904-08-14T02:18:42Z", "ms": -2063310078364.7793 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-13T13:43:35+08:00", "utc": "1904-08-13T05:43:35Z", "ms": -2063384184507.8054 }, "end": { "local": "1904-08-14T10:18:42+08:00", "utc": "1904-08-14T02:18:42Z", "ms": -2063310078364.7793 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-13", "window": { "start": { "local": "1904-08-13T12:29:57+08:00", "utc": "1904-08-13T04:29:57Z", "ms": -2063388603390.8853 }, "end": { "local": "1904-08-13T13:17:57+08:00", "utc": "1904-08-13T05:17:57Z", "ms": -2063385723390.8853 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-08-14", "window": { "start": { "local": "1904-08-14T12:29:46+08:00", "utc": "1904-08-14T04:29:46Z", "ms": -2063302213970.3896 }, "end": { "local": "1904-08-14T13:17:46+08:00", "utc": "1904-08-14T05:17:46Z", "ms": -2063299333970.3896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:44 on Sat 13 Aug to 10:19 on Sun 14 Aug.", "fact": "1904-08-13T05:43:35Z → 1904-08-14T02:18:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 13th, 12:30–13:18 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1539 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1904: Sunday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-13", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1904 falls on Sunday 14 August. Tṛtīyā runs from 13:44 on Sat 13 Aug to 10:19 on Sun 14 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-08-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7864, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-08-14T10:18:42+08:00", "utc": "1904-08-14T02:18:42Z", "ms": -2063310078364.7793 }, "end": { "local": "1904-08-15T07:13:20+08:00", "utc": "1904-08-14T23:13:20Z", "ms": -2063234800338.9568 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-14T10:18:42+08:00", "utc": "1904-08-14T02:18:42Z", "ms": -2063310078364.7793 }, "end": { "local": "1904-08-15T07:13:20+08:00", "utc": "1904-08-14T23:13:20Z", "ms": -2063234800338.9568 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-14", "window": { "start": { "local": "1904-08-14T12:29:46+08:00", "utc": "1904-08-14T04:29:46Z", "ms": -2063302213970.3896 }, "end": { "local": "1904-08-14T13:17:46+08:00", "utc": "1904-08-14T05:17:46Z", "ms": -2063299333970.3896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-08-15", "window": { "start": { "local": "1904-08-15T12:29:35+08:00", "utc": "1904-08-15T04:29:35Z", "ms": -2063215825100.7163 }, "end": { "local": "1904-08-15T13:17:35+08:00", "utc": "1904-08-15T05:17:35Z", "ms": -2063212945100.7163 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:19 on Sun 14 Aug to 07:13 on Mon 15 Aug.", "fact": "1904-08-14T02:18:42Z → 1904-08-14T23:13:20Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7864 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Sunday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Sunday 14 August. Caturthī runs from 10:19 on Sun 14 Aug to 07:13 on Mon 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18975, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-08-15T07:13:20+08:00", "utc": "1904-08-14T23:13:20Z", "ms": -2063234800338.9568 }, "end": { "local": "1904-08-16T04:34:36+08:00", "utc": "1904-08-15T20:34:36Z", "ms": -2063157924498.0706 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-15T07:13:20+08:00", "utc": "1904-08-14T23:13:20Z", "ms": -2063234800338.9568 }, "end": { "local": "1904-08-16T04:34:36+08:00", "utc": "1904-08-15T20:34:36Z", "ms": -2063157924498.0706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-15", "window": { "start": { "local": "1904-08-15T12:29:35+08:00", "utc": "1904-08-15T04:29:35Z", "ms": -2063215825100.7163 }, "end": { "local": "1904-08-15T13:17:35+08:00", "utc": "1904-08-15T05:17:35Z", "ms": -2063212945100.7163 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-08-16", "window": { "start": { "local": "1904-08-16T12:29:23+08:00", "utc": "1904-08-16T04:29:23Z", "ms": -2063129436776.0542 }, "end": { "local": "1904-08-16T13:17:23+08:00", "utc": "1904-08-16T05:17:23Z", "ms": -2063126556776.0542 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:13 on Mon 15 Aug to 04:35 on Tue 16 Aug.", "fact": "1904-08-14T23:13:20Z → 1904-08-15T20:34:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 15th, 12:29–13:17 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 18975 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1904: Monday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-15", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1904 falls on Monday 15 August. Pañcamī runs from 07:13 on Mon 15 Aug to 04:35 on Tue 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-08-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18179, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-08-21T00:14:06+08:00", "utc": "1904-08-20T16:14:06Z", "ms": -2062741553853.2742 }, "end": { "local": "1904-08-22T01:10:08+08:00", "utc": "1904-08-21T17:10:08Z", "ms": -2062651792001.956 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-21T00:14:06+08:00", "utc": "1904-08-20T16:14:06Z", "ms": -2062741553853.2742 }, "end": { "local": "1904-08-22T01:10:08+08:00", "utc": "1904-08-21T17:10:08Z", "ms": -2062651792001.956 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-08-21", "window": { "start": { "local": "1904-08-21T06:12:20+08:00", "utc": "1904-08-20T22:12:20Z", "ms": -2062720059572.2124 }, "end": { "local": "1904-08-21T06:12:20+08:00", "utc": "1904-08-20T22:12:20Z", "ms": -2062720059572.2124 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-08-22", "window": { "start": { "local": "1904-08-22T06:13:07+08:00", "utc": "1904-08-21T22:13:07Z", "ms": -2062633612874.4058 }, "end": { "local": "1904-08-22T06:13:07+08:00", "utc": "1904-08-21T22:13:07Z", "ms": -2062633612874.4058 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:14 on Sun 21 Aug to 01:10 on Mon 22 Aug.", "fact": "1904-08-20T16:14:06Z → 1904-08-21T17:10:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 21st and 06:13 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 18179 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1904: Sunday 21 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": "1904-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1904 falls on Sunday 21 August. Ekādaśī runs from 00:14 on Sun 21 Aug to 01:10 on Mon 22 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-08-21", "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/1904/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35527, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-08-22T01:10:08+08:00", "utc": "1904-08-21T17:10:08Z", "ms": -2062651792001.956 }, "end": { "local": "1904-08-23T02:35:40+08:00", "utc": "1904-08-22T18:35:40Z", "ms": -2062560259758.8457 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-22T01:10:08+08:00", "utc": "1904-08-21T17:10:08Z", "ms": -2062651792001.956 }, "end": { "local": "1904-08-23T02:35:40+08:00", "utc": "1904-08-22T18:35:40Z", "ms": -2062560259758.8457 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-22", "window": { "start": { "local": "1904-08-22T12:28:02+08:00", "utc": "1904-08-22T04:28:02Z", "ms": -2062611117733.7144 }, "end": { "local": "1904-08-22T13:16:02+08:00", "utc": "1904-08-22T05:16:02Z", "ms": -2062608237733.7144 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-08-23", "window": { "start": { "local": "1904-08-23T12:27:47+08:00", "utc": "1904-08-23T04:27:47Z", "ms": -2062524732926.0967 }, "end": { "local": "1904-08-23T13:15:47+08:00", "utc": "1904-08-23T05:15:47Z", "ms": -2062521852926.0967 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:10 on Mon 22 Aug to 02:36 on Tue 23 Aug.", "fact": "1904-08-21T17:10:08Z → 1904-08-22T18:35:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 22nd, 12:28–13:16 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35527 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1904: Monday 22 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": "1904-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-22", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1904 falls on Monday 22 August. Dvādaśī runs from 01:10 on Mon 22 Aug to 02:36 on Tue 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-08-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20339, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-08-23T02:35:40+08:00", "utc": "1904-08-22T18:35:40Z", "ms": -2062560259758.8457 }, "end": { "local": "1904-08-24T04:26:10+08:00", "utc": "1904-08-23T20:26:10Z", "ms": -2062467230453.7795 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-23T02:35:40+08:00", "utc": "1904-08-22T18:35:40Z", "ms": -2062560259758.8457 }, "end": { "local": "1904-08-24T04:26:10+08:00", "utc": "1904-08-23T20:26:10Z", "ms": -2062467230453.7795 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-08-22", "window": { "start": { "local": "1904-08-22T19:30:57+08:00", "utc": "1904-08-22T11:30:57Z", "ms": -2062585742593.0232 }, "end": { "local": "1904-08-22T20:56:41+08:00", "utc": "1904-08-22T12:56:41Z", "ms": -2062580599083.806 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1904-08-23", "window": { "start": { "local": "1904-08-23T19:29:40+08:00", "utc": "1904-08-23T11:29:40Z", "ms": -2062499419578.2998 }, "end": { "local": "1904-08-23T20:55:40+08:00", "utc": "1904-08-23T12:55:40Z", "ms": -2062494259603.827 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:36 on Tue 23 Aug to 04:26 on Wed 24 Aug.", "fact": "1904-08-22T18:35:40Z → 1904-08-23T20:26:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:57 on the 22nd, 19:30–20:56 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 86 minutes on the 22nd and 86 of 86 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 20339 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Tuesday 23 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": "1904-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Tuesday 23 August. Trayodaśī runs from 02:36 on Tue 23 Aug to 04:26 on Wed 24 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-08-23", "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/1904/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 9945, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-08-25T06:36:41+08:00", "utc": "1904-08-24T22:36:41Z", "ms": -2062372998810.9062 }, "end": { "local": "1904-08-26T09:01:58+08:00", "utc": "1904-08-26T01:01:58Z", "ms": -2062277881998.677 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1904-08-25T19:47:50+08:00", "utc": "1904-08-25T11:47:50Z", "ms": -2062325530060.0276 }, "end": { "local": "1904-08-26T09:01:58+08:00", "utc": "1904-08-26T01:01:58Z", "ms": -2062277881998.677 } }, "kaala": "day", "days": [ { "local_date": "1904-08-25", "window": { "start": { "local": "1904-08-25T06:15:27+08:00", "utc": "1904-08-24T22:15:27Z", "ms": -2062374273359.867 }, "end": { "local": "1904-08-26T06:16:13+08:00", "utc": "1904-08-25T22:16:13Z", "ms": -2062287827041.058 } }, "covered_min": 628, "window_min": 1441, "qualifies": true }, { "local_date": "1904-08-26", "window": { "start": { "local": "1904-08-26T06:16:13+08:00", "utc": "1904-08-25T22:16:13Z", "ms": -2062287827041.058 }, "end": { "local": "1904-08-27T06:16:59+08:00", "utc": "1904-08-26T22:16:59Z", "ms": -2062201380809.2292 } }, "covered_min": 166, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:37 on Thu 25 Aug to 09:02 on Fri 26 Aug. Its second half begins at 19:48 on Thu 25 Aug.", "fact": "1904-08-24T22:36:41Z → 1904-08-26T01:01:58Z · second half from 1904-08-25T11:47:50Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:15 on the 25th, and from 06:16 on the 26th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 628 of 1441 minutes on the 25th and 166 of 1441 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 9945 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1904: Thursday 25 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": "1904-08-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-25", "confidence": "boundary" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1904 falls on Thursday 25 August. The second half of Pūrṇimā runs from 19:48 on Thu 25 Aug to 09:02 on Fri 26 Aug and falls on two days: 628 minutes of it on the 25th, 166 on the 26th; 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/1904/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/1904/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12301, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-08-25T06:36:41+08:00", "utc": "1904-08-24T22:36:41Z", "ms": -2062372998810.9062 }, "end": { "local": "1904-08-26T09:01:58+08:00", "utc": "1904-08-26T01:01:58Z", "ms": -2062277881998.677 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1904-08-25T06:36:41+08:00", "utc": "1904-08-24T22:36:41Z", "ms": -2062372998810.9062 }, "end": { "local": "1904-08-26T09:01:58+08:00", "utc": "1904-08-26T01:01:58Z", "ms": -2062277881998.677 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-25", "window": { "start": { "local": "1904-08-25T12:27:15+08:00", "utc": "1904-08-25T04:27:15Z", "ms": -2062351964631.6318 }, "end": { "local": "1904-08-25T13:15:15+08:00", "utc": "1904-08-25T05:15:15Z", "ms": -2062349084631.6318 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-08-26", "window": { "start": { "local": "1904-08-26T12:26:59+08:00", "utc": "1904-08-26T04:26:59Z", "ms": -2062265581111.0933 }, "end": { "local": "1904-08-26T13:14:59+08:00", "utc": "1904-08-26T05:14:59Z", "ms": -2062262701111.0933 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:37 on Thu 25 Aug to 09:02 on Fri 26 Aug.", "fact": "1904-08-24T22:36:41Z → 1904-08-26T01:01:58Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12301 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1904: Thursday 25 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": "1904-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1904 falls on Thursday 25 August. Pūrṇimā runs from 06:37 on Thu 25 Aug to 09:02 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22973, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1904-08-27T11:36:08+08:00", "utc": "1904-08-27T03:36:08Z", "ms": -2062182232214.8906 }, "end": { "local": "1904-08-28T14:12:26+08:00", "utc": "1904-08-28T06:12:26Z", "ms": -2062086453558.7363 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-08-27T11:36:08+08:00", "utc": "1904-08-27T03:36:08Z", "ms": -2062182232214.8906 }, "end": { "local": "1904-08-28T14:12:26+08:00", "utc": "1904-08-28T06:12:26Z", "ms": -2062086453558.7363 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-08-27", "window": { "start": { "local": "1904-08-27T20:04:09+08:00", "utc": "1904-08-27T12:04:09Z", "ms": -2062151750901.8499 }, "end": { "local": "1904-08-27T20:04:09+08:00", "utc": "1904-08-27T12:04:09Z", "ms": -2062151750901.8499 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-08-28", "window": { "start": { "local": "1904-08-28T20:35:19+08:00", "utc": "1904-08-28T12:35:19Z", "ms": -2062063480763.0273 }, "end": { "local": "1904-08-28T20:35:19+08:00", "utc": "1904-08-28T12:35:19Z", "ms": -2062063480763.0273 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:36 on Sat 27 Aug to 14:12 on Sun 28 Aug.", "fact": "1904-08-27T03:36:08Z → 1904-08-28T06:12:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:04 on the 27th and 20:35 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22973 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1904: Saturday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1904 falls on Saturday 27 August. Dvitīyā runs from 11:36 on Sat 27 Aug to 14:12 on Sun 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3482, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-08-28T14:12:26+08:00", "utc": "1904-08-28T06:12:26Z", "ms": -2062086453558.7363 }, "end": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-08-28T14:12:26+08:00", "utc": "1904-08-28T06:12:26Z", "ms": -2062086453558.7363 }, "end": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-28", "window": { "start": { "local": "1904-08-28T12:26:25+08:00", "utc": "1904-08-28T04:26:25Z", "ms": -2062092815235.6812 }, "end": { "local": "1904-08-28T13:14:25+08:00", "utc": "1904-08-28T05:14:25Z", "ms": -2062089935235.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-08-29", "window": { "start": { "local": "1904-08-29T12:26:07+08:00", "utc": "1904-08-29T04:26:07Z", "ms": -2062006432844.7017 }, "end": { "local": "1904-08-29T13:14:07+08:00", "utc": "1904-08-29T05:14:07Z", "ms": -2062003552844.7017 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:12 on Sun 28 Aug to 16:43 on Mon 29 Aug.", "fact": "1904-08-28T06:12:26Z → 1904-08-29T08:43:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 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": "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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3482 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1904: Monday 29 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": "1904-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-29", "confidence": "boundary" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1904 falls on Monday 29 August. Tṛtīyā runs from 14:12 on Sun 28 Aug to 16:43 on Mon 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-29", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 117, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 }, "end": { "local": "1904-08-30T18:59:28+08:00", "utc": "1904-08-30T10:59:28Z", "ms": -2061896431944.5964 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 }, "end": { "local": "1904-08-30T18:59:28+08:00", "utc": "1904-08-30T10:59:28Z", "ms": -2061896431944.5964 } }, "kaala": "sayahna", "days": [ { "local_date": "1904-08-29", "window": { "start": { "local": "1904-08-29T16:45:05+08:00", "utc": "1904-08-29T08:45:05Z", "ms": -2061990895399.713 }, "end": { "local": "1904-08-29T19:21:43+08:00", "utc": "1904-08-29T11:21:43Z", "ms": -2061981497103.0537 } }, "covered_min": 157, "window_min": 157, "qualifies": true }, { "local_date": "1904-08-30", "window": { "start": { "local": "1904-08-30T16:44:08+08:00", "utc": "1904-08-30T08:44:08Z", "ms": -2061904551719.7969 }, "end": { "local": "1904-08-30T19:20:21+08:00", "utc": "1904-08-30T11:20:21Z", "ms": -2061895179003.8206 } }, "covered_min": 135, "window_min": 156, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:43 on Mon 29 Aug to 18:59 on Tue 30 Aug.", "fact": "1904-08-29T08:43:07Z → 1904-08-30T10:59:28Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:45–19:22 on the 29th, 16:44–19:20 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 157 of 157 minutes on the 29th and 135 of 156 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 117 s < 300 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1904: Monday 29 August.", "fact": "confidence: boundary (margin)" } ], "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": "1904-08-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-29", "confidence": "boundary" } ], "quote": "In Qingyang, Bahulā Caturthī 1904 falls on Monday 29 August. Caturthī runs from 16:43 on Mon 29 Aug to 18:59 on Tue 30 Aug and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 135 minutes; by the rule the first late afternoon is taken. It is 1 min 57 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9555, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 }, "end": { "local": "1904-08-30T18:59:28+08:00", "utc": "1904-08-30T10:59:28Z", "ms": -2061896431944.5964 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-08-29T16:43:07+08:00", "utc": "1904-08-29T08:43:07Z", "ms": -2061991012603.6619 }, "end": { "local": "1904-08-30T18:59:28+08:00", "utc": "1904-08-30T10:59:28Z", "ms": -2061896431944.5964 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-08-29", "window": { "start": { "local": "1904-08-29T21:06:33+08:00", "utc": "1904-08-29T13:06:33Z", "ms": -2061975207191.9565 }, "end": { "local": "1904-08-29T21:06:33+08:00", "utc": "1904-08-29T13:06:33Z", "ms": -2061975207191.9565 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-08-30", "window": { "start": { "local": "1904-08-30T21:38:43+08:00", "utc": "1904-08-30T13:38:43Z", "ms": -2061886876541.5828 }, "end": { "local": "1904-08-30T21:38:43+08:00", "utc": "1904-08-30T13:38:43Z", "ms": -2061886876541.5828 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:43 on Mon 29 Aug to 18:59 on Tue 30 Aug.", "fact": "1904-08-29T08:43:07Z → 1904-08-30T10:59:28Z" }, { "step": "kaala", "text": "Moonrise is at 21:07 on the 29th and 21:39 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "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 9555 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Monday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-08-29", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Monday 29 August. Caturthī runs from 16:43 on Mon 29 Aug to 18:59 on Tue 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27529, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-08-31T20:52:20+08:00", "utc": "1904-08-31T12:52:20Z", "ms": -2061803260190.323 }, "end": { "local": "1904-09-01T22:13:00+08:00", "utc": "1904-09-01T14:13:00Z", "ms": -2061712020220.155 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-08-31T20:52:20+08:00", "utc": "1904-08-31T12:52:20Z", "ms": -2061803260190.323 }, "end": { "local": "1904-09-01T22:13:00+08:00", "utc": "1904-09-01T14:13:00Z", "ms": -2061712020220.155 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-08-31", "window": { "start": { "local": "1904-08-31T12:25:31+08:00", "utc": "1904-08-31T04:25:31Z", "ms": -2061833669064.353 }, "end": { "local": "1904-08-31T13:13:31+08:00", "utc": "1904-08-31T05:13:31Z", "ms": -2061830789064.353 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-01", "window": { "start": { "local": "1904-09-01T12:25:12+08:00", "utc": "1904-09-01T04:25:12Z", "ms": -2061747287637.9263 }, "end": { "local": "1904-09-01T13:13:12+08:00", "utc": "1904-09-01T05:13:12Z", "ms": -2061744407637.9263 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:52 on Wed 31 Aug to 22:13 on Thu 1 Sep.", "fact": "1904-08-31T12:52:20Z → 1904-09-01T14:13:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 31st, 12:25–13:13 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 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27529 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1904: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-01", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1904 falls on Thursday 1 September. Ṣaṣṭhī runs from 20:52 on Wed 31 Aug to 22:13 on Thu 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5463, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-09-02T22:54:13+08:00", "utc": "1904-09-02T14:54:13Z", "ms": -2061623147080.8276 }, "end": { "local": "1904-09-03T22:51:07+08:00", "utc": "1904-09-03T14:51:07Z", "ms": -2061536932517.0684 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-02T22:54:13+08:00", "utc": "1904-09-02T14:54:13Z", "ms": -2061623147080.8276 }, "end": { "local": "1904-09-03T22:51:07+08:00", "utc": "1904-09-03T14:51:07Z", "ms": -2061536932517.0684 } }, "kaala": "nishita", "days": [ { "local_date": "1904-09-02", "window": { "start": { "local": "1904-09-03T00:25:16+08:00", "utc": "1904-09-02T16:25:16Z", "ms": -2061617683602.15 }, "end": { "local": "1904-09-03T01:13:16+08:00", "utc": "1904-09-02T17:13:16Z", "ms": -2061614803602.15 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-09-03", "window": { "start": { "local": "1904-09-04T00:24:57+08:00", "utc": "1904-09-03T16:24:57Z", "ms": -2061531302744.6445 }, "end": { "local": "1904-09-04T01:12:57+08:00", "utc": "1904-09-03T17:12:57Z", "ms": -2061528422744.6445 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:54 on Fri 2 Sep to 22:51 on Sat 3 Sep.", "fact": "1904-09-02T14:54:13Z → 1904-09-03T14:51:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 2nd, 00:25–01:13 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "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 5463 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1904: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1904 falls on Friday 2 September. Aṣṭamī runs from 22:54 on Fri 2 Sep to 22:51 on Sat 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32387, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-09-01T22:13:00+08:00", "utc": "1904-09-01T14:13:00Z", "ms": -2061712020220.155 }, "end": { "local": "1904-09-02T22:54:13+08:00", "utc": "1904-09-02T14:54:13Z", "ms": -2061623147080.8276 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-01T22:13:00+08:00", "utc": "1904-09-01T14:13:00Z", "ms": -2061712020220.155 }, "end": { "local": "1904-09-02T22:54:13+08:00", "utc": "1904-09-02T14:54:13Z", "ms": -2061623147080.8276 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-01", "window": { "start": { "local": "1904-09-01T12:25:12+08:00", "utc": "1904-09-01T04:25:12Z", "ms": -2061747287637.9263 }, "end": { "local": "1904-09-01T13:13:12+08:00", "utc": "1904-09-01T05:13:12Z", "ms": -2061744407637.9263 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-02", "window": { "start": { "local": "1904-09-02T12:24:54+08:00", "utc": "1904-09-02T04:24:54Z", "ms": -2061660906495.9768 }, "end": { "local": "1904-09-02T13:12:54+08:00", "utc": "1904-09-02T05:12:54Z", "ms": -2061658026495.9768 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:13 on Thu 1 Sep to 22:54 on Fri 2 Sep.", "fact": "1904-09-01T14:13:00Z → 1904-09-02T14:54:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 1st, 12:25–13:13 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32387 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1904: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1904 falls on Friday 2 September. Saptamī runs from 22:13 on Thu 1 Sep to 22:54 on Fri 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-09-06", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35832, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-09-05T20:27:26+08:00", "utc": "1904-09-05T12:27:26Z", "ms": -2061372753511.747 }, "end": { "local": "1904-09-06T18:11:55+08:00", "utc": "1904-09-06T10:11:55Z", "ms": -2061294485053.579 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-05T20:27:26+08:00", "utc": "1904-09-05T12:27:26Z", "ms": -2061372753511.747 }, "end": { "local": "1904-09-06T18:11:55+08:00", "utc": "1904-09-06T10:11:55Z", "ms": -2061294485053.579 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-09-06", "window": { "start": { "local": "1904-09-06T06:24:38+08:00", "utc": "1904-09-05T22:24:38Z", "ms": -2061336921976.912 }, "end": { "local": "1904-09-06T06:24:38+08:00", "utc": "1904-09-05T22:24:38Z", "ms": -2061336921976.912 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-09-07", "window": { "start": { "local": "1904-09-07T06:25:24+08:00", "utc": "1904-09-06T22:25:24Z", "ms": -2061250476300.234 }, "end": { "local": "1904-09-07T06:25:24+08:00", "utc": "1904-09-06T22:25:24Z", "ms": -2061250476300.234 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:27 on Mon 5 Sep to 18:12 on Tue 6 Sep.", "fact": "1904-09-05T12:27:26Z → 1904-09-06T10:11:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 6th and 06:25 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35832 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1904: Tuesday 6 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": "1904-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-06", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1904 falls on Tuesday 6 September. Ekādaśī runs from 20:27 on Mon 5 Sep to 18:12 on Tue 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-09-06", "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/1904/pradosha-vrata?on=1904-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13664, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-09-07T15:21:23+08:00", "utc": "1904-09-07T07:21:23Z", "ms": -2061218316653.7024 }, "end": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-07T15:21:23+08:00", "utc": "1904-09-07T07:21:23Z", "ms": -2061218316653.7024 }, "end": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-09-07", "window": { "start": { "local": "1904-09-07T19:09:07+08:00", "utc": "1904-09-07T11:09:07Z", "ms": -2061204652551.053 }, "end": { "local": "1904-09-07T20:39:24+08:00", "utc": "1904-09-07T12:39:24Z", "ms": -2061199236296.1323 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1904-09-08", "window": { "start": { "local": "1904-09-08T19:07:41+08:00", "utc": "1904-09-08T11:07:41Z", "ms": -2061118338605.4966 }, "end": { "local": "1904-09-08T20:38:15+08:00", "utc": "1904-09-08T12:38:15Z", "ms": -2061112904790.1504 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:21 on Wed 7 Sep to 12:04 on Thu 8 Sep.", "fact": "1904-09-07T07:21:23Z → 1904-09-08T04:03:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:39 on the 7th, 19:08–20:38 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 7th and 0 of 91 on the 8th.", "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 13664 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Wednesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Wednesday 7 September. Trayodaśī runs from 15:21 on Wed 7 Sep to 12:04 on Thu 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25443, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 }, "end": { "local": "1904-09-09T08:27:34+08:00", "utc": "1904-09-09T00:27:34Z", "ms": -2061070346497.1145 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 }, "end": { "local": "1904-09-09T08:27:34+08:00", "utc": "1904-09-09T00:27:34Z", "ms": -2061070346497.1145 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-09-08", "window": { "start": { "local": "1904-09-08T19:07:41+08:00", "utc": "1904-09-08T11:07:41Z", "ms": -2061118338605.4966 }, "end": { "local": "1904-09-08T20:38:15+08:00", "utc": "1904-09-08T12:38:15Z", "ms": -2061112904790.1504 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1904-09-09", "window": { "start": { "local": "1904-09-09T19:06:15+08:00", "utc": "1904-09-09T11:06:15Z", "ms": -2061032024984.768 }, "end": { "local": "1904-09-09T20:37:06+08:00", "utc": "1904-09-09T12:37:06Z", "ms": -2061026573566.9531 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Thu 8 Sep to 08:28 on Fri 9 Sep.", "fact": "1904-09-08T04:03:39Z → 1904-09-09T00:27:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:38 on the 8th, 19:06–20:37 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 8th and 0 of 91 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25443 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1904: Thursday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-08", "confidence": "determinate" } ], "quote": "In Qingyang, Aghora Caturdaśī 1904 falls on Thursday 8 September. Caturdaśī runs from 12:04 on Thu 8 Sep to 08:28 on Fri 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/shivaratri?on=1904-09-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26175, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 }, "end": { "local": "1904-09-09T08:27:34+08:00", "utc": "1904-09-09T00:27:34Z", "ms": -2061070346497.1145 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-08T12:03:39+08:00", "utc": "1904-09-08T04:03:39Z", "ms": -2061143781223.2976 }, "end": { "local": "1904-09-09T08:27:34+08:00", "utc": "1904-09-09T00:27:34Z", "ms": -2061070346497.1145 } }, "kaala": "nishita", "days": [ { "local_date": "1904-09-07", "window": { "start": { "local": "1904-09-08T00:23:38+08:00", "utc": "1904-09-07T16:23:38Z", "ms": -2061185781595.1 }, "end": { "local": "1904-09-08T01:11:38+08:00", "utc": "1904-09-07T17:11:38Z", "ms": -2061182901595.1 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-08", "window": { "start": { "local": "1904-09-09T00:23:18+08:00", "utc": "1904-09-08T16:23:18Z", "ms": -2061099401797.9485 }, "end": { "local": "1904-09-09T01:11:18+08:00", "utc": "1904-09-08T17:11:18Z", "ms": -2061096521797.9485 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Thu 8 Sep to 08:28 on Fri 9 Sep.", "fact": "1904-09-08T04:03:39Z → 1904-09-09T00:27:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:24–01:12 on the 7th, 00:23–01:11 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26175 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Thursday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-08", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Thursday 8 September. Caturdaśī runs from 12:04 on Thu 8 Sep to 08:28 on Fri 9 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27577, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-09-10T04:42:38+08:00", "utc": "1904-09-09T20:42:38Z", "ms": -2060997442011.261 }, "end": { "local": "1904-09-11T00:58:39+08:00", "utc": "1904-09-10T16:58:39Z", "ms": -2060924480510.7148 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-10T04:42:38+08:00", "utc": "1904-09-09T20:42:38Z", "ms": -2060997442011.261 }, "end": { "local": "1904-09-11T00:58:39+08:00", "utc": "1904-09-10T16:58:39Z", "ms": -2060924480510.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-10", "window": { "start": { "local": "1904-09-10T12:22:14+08:00", "utc": "1904-09-10T04:22:14Z", "ms": -2060969865507.9858 }, "end": { "local": "1904-09-10T13:10:14+08:00", "utc": "1904-09-10T05:10:14Z", "ms": -2060966985507.9858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-09-11", "window": { "start": { "local": "1904-09-11T12:21:54+08:00", "utc": "1904-09-11T04:21:54Z", "ms": -2060883486170.182 }, "end": { "local": "1904-09-11T13:09:54+08:00", "utc": "1904-09-11T05:09:54Z", "ms": -2060880606170.182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:43 on Sat 10 Sep to 00:59 on Sun 11 Sep.", "fact": "1904-09-09T20:42:38Z → 1904-09-10T16:58:39Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27577 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1904: Saturday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1904 falls on Saturday 10 September. Pratipadā runs from 04:43 on Sat 10 Sep to 00:59 on Sun 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18164, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1904-09-11T21:25:24+08:00", "utc": "1904-09-11T13:25:24Z", "ms": -2060850876220.5266 }, "end": { "local": "1904-09-12T18:12:17+08:00", "utc": "1904-09-12T10:12:17Z", "ms": -2060776063327.2893 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-11T21:25:24+08:00", "utc": "1904-09-11T13:25:24Z", "ms": -2060850876220.5266 }, "end": { "local": "1904-09-12T18:12:17+08:00", "utc": "1904-09-12T10:12:17Z", "ms": -2060776063327.2893 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-11", "window": { "start": { "local": "1904-09-11T12:21:54+08:00", "utc": "1904-09-11T04:21:54Z", "ms": -2060883486170.182 }, "end": { "local": "1904-09-11T13:09:54+08:00", "utc": "1904-09-11T05:09:54Z", "ms": -2060880606170.182 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-12", "window": { "start": { "local": "1904-09-12T12:21:33+08:00", "utc": "1904-09-12T04:21:33Z", "ms": -2060797106960.3848 }, "end": { "local": "1904-09-12T13:09:33+08:00", "utc": "1904-09-12T05:09:33Z", "ms": -2060794226960.3848 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:25 on Sun 11 Sep to 18:12 on Mon 12 Sep.", "fact": "1904-09-11T13:25:24Z → 1904-09-12T10:12:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 11th, 12:22–13:10 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18164 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1904: Monday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-12", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1904 falls on Monday 12 September. Tṛtīyā runs from 21:25 on Sun 11 Sep to 18:12 on Mon 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8330, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-09-12T18:12:17+08:00", "utc": "1904-09-12T10:12:17Z", "ms": -2060776063327.2893 }, "end": { "local": "1904-09-13T15:28:02+08:00", "utc": "1904-09-13T07:28:02Z", "ms": -2060699517984.8699 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-12T18:12:17+08:00", "utc": "1904-09-12T10:12:17Z", "ms": -2060776063327.2893 }, "end": { "local": "1904-09-13T15:28:02+08:00", "utc": "1904-09-13T07:28:02Z", "ms": -2060699517984.8699 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-12", "window": { "start": { "local": "1904-09-12T12:21:33+08:00", "utc": "1904-09-12T04:21:33Z", "ms": -2060797106960.3848 }, "end": { "local": "1904-09-12T13:09:33+08:00", "utc": "1904-09-12T05:09:33Z", "ms": -2060794226960.3848 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-13", "window": { "start": { "local": "1904-09-13T12:21:12+08:00", "utc": "1904-09-13T04:21:12Z", "ms": -2060710727863.7637 }, "end": { "local": "1904-09-13T13:09:12+08:00", "utc": "1904-09-13T05:09:12Z", "ms": -2060707847863.7637 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:12 on Mon 12 Sep to 15:28 on Tue 13 Sep.", "fact": "1904-09-12T10:12:17Z → 1904-09-13T07:28:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 12th, 12:21–13:09 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8330 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1904: Tuesday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-13", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1904 falls on Tuesday 13 September. Caturthī runs from 18:12 on Mon 12 Sep to 15:28 on Tue 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 683, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-09-13T15:28:02+08:00", "utc": "1904-09-13T07:28:02Z", "ms": -2060699517984.8699 }, "end": { "local": "1904-09-14T13:20:14+08:00", "utc": "1904-09-14T05:20:14Z", "ms": -2060620786161.6387 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-13T15:28:02+08:00", "utc": "1904-09-13T07:28:02Z", "ms": -2060699517984.8699 }, "end": { "local": "1904-09-14T13:20:14+08:00", "utc": "1904-09-14T05:20:14Z", "ms": -2060620786161.6387 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-13", "window": { "start": { "local": "1904-09-13T12:21:12+08:00", "utc": "1904-09-13T04:21:12Z", "ms": -2060710727863.7637 }, "end": { "local": "1904-09-13T13:09:12+08:00", "utc": "1904-09-13T05:09:12Z", "ms": -2060707847863.7637 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-14", "window": { "start": { "local": "1904-09-14T12:20:51+08:00", "utc": "1904-09-14T04:20:51Z", "ms": -2060624348864.329 }, "end": { "local": "1904-09-14T13:08:51+08:00", "utc": "1904-09-14T05:08:51Z", "ms": -2060621468864.329 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:28 on Tue 13 Sep to 13:20 on Wed 14 Sep.", "fact": "1904-09-13T07:28:02Z → 1904-09-14T05:20:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 13th, 12:21–13:09 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 683 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1904: Wednesday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1904 falls on Wednesday 14 September. Pañcamī runs from 15:28 on Tue 13 Sep to 13:20 on Wed 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 683, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-09-14T13:20:14+08:00", "utc": "1904-09-14T05:20:14Z", "ms": -2060620786161.6387 }, "end": { "local": "1904-09-15T11:54:43+08:00", "utc": "1904-09-15T03:54:43Z", "ms": -2060539517447.5054 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-14T13:20:14+08:00", "utc": "1904-09-14T05:20:14Z", "ms": -2060620786161.6387 }, "end": { "local": "1904-09-15T11:54:43+08:00", "utc": "1904-09-15T03:54:43Z", "ms": -2060539517447.5054 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-14", "window": { "start": { "local": "1904-09-14T12:20:51+08:00", "utc": "1904-09-14T04:20:51Z", "ms": -2060624348864.329 }, "end": { "local": "1904-09-14T13:08:51+08:00", "utc": "1904-09-14T05:08:51Z", "ms": -2060621468864.329 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-15", "window": { "start": { "local": "1904-09-15T12:20:30+08:00", "utc": "1904-09-15T04:20:30Z", "ms": -2060537969944.531 }, "end": { "local": "1904-09-15T13:08:30+08:00", "utc": "1904-09-15T05:08:30Z", "ms": -2060535089944.531 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:20 on Wed 14 Sep to 11:55 on Thu 15 Sep.", "fact": "1904-09-14T05:20:14Z → 1904-09-15T03:54:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 14th, 12:21–13:09 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 683 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1904: Thursday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-15", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1904 falls on Thursday 15 September. Ṣaṣṭhī runs from 13:20 on Wed 14 Sep to 11:55 on Thu 15 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1548, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-09-15T11:54:43+08:00", "utc": "1904-09-15T03:54:43Z", "ms": -2060539517447.5054 }, "end": { "local": "1904-09-16T11:14:59+08:00", "utc": "1904-09-16T03:14:59Z", "ms": -2060455501423.1616 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-15T11:54:43+08:00", "utc": "1904-09-15T03:54:43Z", "ms": -2060539517447.5054 }, "end": { "local": "1904-09-16T11:14:59+08:00", "utc": "1904-09-16T03:14:59Z", "ms": -2060455501423.1616 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-15", "window": { "start": { "local": "1904-09-15T12:20:30+08:00", "utc": "1904-09-15T04:20:30Z", "ms": -2060537969944.531 }, "end": { "local": "1904-09-15T13:08:30+08:00", "utc": "1904-09-15T05:08:30Z", "ms": -2060535089944.531 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-09-16", "window": { "start": { "local": "1904-09-16T12:20:09+08:00", "utc": "1904-09-16T04:20:09Z", "ms": -2060451591086.594 }, "end": { "local": "1904-09-16T13:08:09+08:00", "utc": "1904-09-16T05:08:09Z", "ms": -2060448711086.594 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:55 on Thu 15 Sep to 11:15 on Fri 16 Sep.", "fact": "1904-09-15T03:54:43Z → 1904-09-16T03:14:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 15th, 12:20–13:08 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 1548 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1904: Thursday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-15", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1904 falls on Thursday 15 September. Saptamī runs from 11:55 on Thu 15 Sep to 11:15 on Fri 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3487, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-09-16T11:14:59+08:00", "utc": "1904-09-16T03:14:59Z", "ms": -2060455501423.1616 }, "end": { "local": "1904-09-17T11:21:41+08:00", "utc": "1904-09-17T03:21:41Z", "ms": -2060368698975.2878 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-16T11:14:59+08:00", "utc": "1904-09-16T03:14:59Z", "ms": -2060455501423.1616 }, "end": { "local": "1904-09-17T11:21:41+08:00", "utc": "1904-09-17T03:21:41Z", "ms": -2060368698975.2878 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-16", "window": { "start": { "local": "1904-09-16T12:20:09+08:00", "utc": "1904-09-16T04:20:09Z", "ms": -2060451591086.594 }, "end": { "local": "1904-09-16T13:08:09+08:00", "utc": "1904-09-16T05:08:09Z", "ms": -2060448711086.594 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-09-17", "window": { "start": { "local": "1904-09-17T12:19:48+08:00", "utc": "1904-09-17T04:19:48Z", "ms": -2060365212270.1694 }, "end": { "local": "1904-09-17T13:07:48+08:00", "utc": "1904-09-17T05:07:48Z", "ms": -2060362332270.1694 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:15 on Fri 16 Sep to 11:22 on Sat 17 Sep.", "fact": "1904-09-16T03:14:59Z → 1904-09-17T03:21:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 16th, 12:20–13:08 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3487 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1904: Friday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-16", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1904 falls on Friday 16 September. Aṣṭamī runs from 11:15 on Fri 16 Sep to 11:22 on Sat 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-09-20", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25625, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-09-19T13:41:37+08:00", "utc": "1904-09-19T05:41:37Z", "ms": -2060187503218.6177 }, "end": { "local": "1904-09-20T15:41:41+08:00", "utc": "1904-09-20T07:41:41Z", "ms": -2060093898896.9133 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-19T13:41:37+08:00", "utc": "1904-09-19T05:41:37Z", "ms": -2060187503218.6177 }, "end": { "local": "1904-09-20T15:41:41+08:00", "utc": "1904-09-20T07:41:41Z", "ms": -2060093898896.9133 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-09-19", "window": { "start": { "local": "1904-09-19T06:34:32+08:00", "utc": "1904-09-18T22:34:32Z", "ms": -2060213128217.9475 }, "end": { "local": "1904-09-19T06:34:32+08:00", "utc": "1904-09-18T22:34:32Z", "ms": -2060213128217.9475 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-09-20", "window": { "start": { "local": "1904-09-20T06:35:18+08:00", "utc": "1904-09-19T22:35:18Z", "ms": -2060126682336.1033 }, "end": { "local": "1904-09-20T06:35:18+08:00", "utc": "1904-09-19T22:35:18Z", "ms": -2060126682336.1033 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:42 on Mon 19 Sep to 15:42 on Tue 20 Sep.", "fact": "1904-09-19T05:41:37Z → 1904-09-20T07:41:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 19th and 06:35 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25625 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1904: Tuesday 20 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": "1904-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-20", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1904 falls on Tuesday 20 September. Ekādaśī runs from 13:42 on Mon 19 Sep to 15:42 on Tue 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-09-20", "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/1904/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9297, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-09-20T15:41:41+08:00", "utc": "1904-09-20T07:41:41Z", "ms": -2060093898896.9133 }, "end": { "local": "1904-09-21T18:03:31+08:00", "utc": "1904-09-21T10:03:31Z", "ms": -2059998988912.5366 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-20T15:41:41+08:00", "utc": "1904-09-20T07:41:41Z", "ms": -2060093898896.9133 }, "end": { "local": "1904-09-21T18:03:31+08:00", "utc": "1904-09-21T10:03:31Z", "ms": -2059998988912.5366 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-09-20", "window": { "start": { "local": "1904-09-20T12:18:44+08:00", "utc": "1904-09-20T04:18:44Z", "ms": -2060106075863.1255 }, "end": { "local": "1904-09-20T13:06:44+08:00", "utc": "1904-09-20T05:06:44Z", "ms": -2060103195863.1255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-09-21", "window": { "start": { "local": "1904-09-21T12:18:23+08:00", "utc": "1904-09-21T04:18:23Z", "ms": -2060019697002.2964 }, "end": { "local": "1904-09-21T13:06:23+08:00", "utc": "1904-09-21T05:06:23Z", "ms": -2060016817002.2964 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:42 on Tue 20 Sep to 18:04 on Wed 21 Sep.", "fact": "1904-09-20T07:41:41Z → 1904-09-21T10:03:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 20th, 12:18–13:06 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9297 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1904: Wednesday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1904 falls on Wednesday 21 September. Dvādaśī runs from 15:42 on Tue 20 Sep to 18:04 on Wed 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-22", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 950, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-09-21T18:03:31+08:00", "utc": "1904-09-21T10:03:31Z", "ms": -2059998988912.5366 }, "end": { "local": "1904-09-22T20:37:47+08:00", "utc": "1904-09-22T12:37:47Z", "ms": -2059903333186.3706 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-21T18:03:31+08:00", "utc": "1904-09-21T10:03:31Z", "ms": -2059998988912.5366 }, "end": { "local": "1904-09-22T20:37:47+08:00", "utc": "1904-09-22T12:37:47Z", "ms": -2059903333186.3706 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-09-21", "window": { "start": { "local": "1904-09-21T18:48:42+08:00", "utc": "1904-09-21T10:48:42Z", "ms": -2059996277634.9944 }, "end": { "local": "1904-09-21T20:23:07+08:00", "utc": "1904-09-21T12:23:07Z", "ms": -2059990612657.5015 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1904-09-22", "window": { "start": { "local": "1904-09-22T18:47:14+08:00", "utc": "1904-09-22T10:47:14Z", "ms": -2059909965845.7458 }, "end": { "local": "1904-09-22T20:21:57+08:00", "utc": "1904-09-22T12:21:57Z", "ms": -2059904282949.4553 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:04 on Wed 21 Sep to 20:38 on Thu 22 Sep.", "fact": "1904-09-21T10:03:31Z → 1904-09-22T12:37:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:23 on the 21st, 18:47–20:22 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 94 of 94 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 950 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Thursday 22 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-21", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Thursday 22 September. Trayodaśī runs from 18:04 on Wed 21 Sep to 20:38 on Thu 22 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 94 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26558, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-09-22T20:37:47+08:00", "utc": "1904-09-22T12:37:47Z", "ms": -2059903333186.3706 }, "end": { "local": "1904-09-23T23:15:44+08:00", "utc": "1904-09-23T15:15:44Z", "ms": -2059807456030.4106 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1904-09-22T20:37:47+08:00", "utc": "1904-09-22T12:37:47Z", "ms": -2059903333186.3706 }, "end": { "local": "1904-09-23T23:15:44+08:00", "utc": "1904-09-23T15:15:44Z", "ms": -2059807456030.4106 } }, "kaala": "udaya-3", "days": [ { "local_date": "1904-09-23", "window": { "start": { "local": "1904-09-23T06:37:36+08:00", "utc": "1904-09-22T22:37:36Z", "ms": -2059867344123.5676 }, "end": { "local": "1904-09-23T09:03:14+08:00", "utc": "1904-09-23T01:03:14Z", "ms": -2059858606097.154 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1904-09-24", "window": { "start": { "local": "1904-09-24T06:38:22+08:00", "utc": "1904-09-23T22:38:22Z", "ms": -2059780897813.3828 }, "end": { "local": "1904-09-24T09:03:33+08:00", "utc": "1904-09-24T01:03:33Z", "ms": -2059772186658.9453 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:38 on Thu 22 Sep to 23:16 on Fri 23 Sep.", "fact": "1904-09-22T12:37:47Z → 1904-09-23T15:15:44Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:38–09:03 on the 23rd, 06:38–09:04 on the 24th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 146 of 146 minutes on the 23rd and 0 of 145 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26558 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1904: Friday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-23", "confidence": "determinate" } ], "quote": "In Qingyang, Ananta Caturdaśī 1904 falls on Friday 23 September. Caturdaśī runs from 20:38 on Thu 22 Sep to 23:16 on Fri 23 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42743, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-09-28T08:06:40+08:00", "utc": "1904-09-28T00:06:40Z", "ms": -2059429999663.6277 }, "end": { "local": "1904-09-29T09:27:11+08:00", "utc": "1904-09-29T01:27:11Z", "ms": -2059338769478.7793 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-09-28T08:06:40+08:00", "utc": "1904-09-28T00:06:40Z", "ms": -2059429999663.6277 }, "end": { "local": "1904-09-29T09:27:11+08:00", "utc": "1904-09-29T01:27:11Z", "ms": -2059338769478.7793 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-09-27", "window": { "start": { "local": "1904-09-27T20:14:17+08:00", "utc": "1904-09-27T12:14:17Z", "ms": -2059472742576.1616 }, "end": { "local": "1904-09-27T20:14:17+08:00", "utc": "1904-09-27T12:14:17Z", "ms": -2059472742576.1616 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-09-28", "window": { "start": { "local": "1904-09-28T20:50:13+08:00", "utc": "1904-09-28T12:50:13Z", "ms": -2059384187359.922 }, "end": { "local": "1904-09-28T20:50:13+08:00", "utc": "1904-09-28T12:50:13Z", "ms": -2059384187359.922 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:07 on Wed 28 Sep to 09:27 on Thu 29 Sep.", "fact": "1904-09-28T00:06:40Z → 1904-09-29T01:27:11Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 27th and 20:50 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 42743 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Wednesday 28 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": "1904-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-28", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Wednesday 28 September. Caturthī runs from 08:07 on Wed 28 Sep to 09:27 on Thu 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42922, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-09-30T10:17:47+08:00", "utc": "1904-09-30T02:17:47Z", "ms": -2059249333469.3928 }, "end": { "local": "1904-10-01T10:34:51+08:00", "utc": "1904-10-01T02:34:51Z", "ms": -2059161909238.56 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-09-30T10:17:47+08:00", "utc": "1904-09-30T02:17:47Z", "ms": -2059249333469.3928 }, "end": { "local": "1904-10-01T10:34:51+08:00", "utc": "1904-10-01T02:34:51Z", "ms": -2059161909238.56 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-09-30", "window": { "start": { "local": "1904-09-30T22:13:09+08:00", "utc": "1904-09-30T14:13:09Z", "ms": -2059206411462.904 }, "end": { "local": "1904-09-30T22:13:09+08:00", "utc": "1904-09-30T14:13:09Z", "ms": -2059206411462.904 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-10-01", "window": { "start": { "local": "1904-10-01T23:01:46+08:00", "utc": "1904-10-01T15:01:46Z", "ms": -2059117093972.6548 }, "end": { "local": "1904-10-01T23:01:46+08:00", "utc": "1904-10-01T15:01:46Z", "ms": -2059117093972.6548 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:18 on Fri 30 Sep to 10:35 on Sat 1 Oct.", "fact": "1904-09-30T02:17:47Z → 1904-10-01T02:34:51Z" }, { "step": "kaala", "text": "Moonrise is at 22:13 on the 30th and 23:02 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 42922 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1904: Friday 30 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": "1904-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-09-30", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1904 falls on Friday 30 September. Ṣaṣṭhī runs from 10:18 on Fri 30 Sep to 10:35 on Sat 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29819, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-10-02T10:15:42+08:00", "utc": "1904-10-02T02:15:42Z", "ms": -2059076657773.6123 }, "end": { "local": "1904-10-03T09:19:01+08:00", "utc": "1904-10-03T01:19:01Z", "ms": -2058993658560.7397 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-02T10:15:42+08:00", "utc": "1904-10-02T02:15:42Z", "ms": -2059076657773.6123 }, "end": { "local": "1904-10-03T09:19:01+08:00", "utc": "1904-10-03T01:19:01Z", "ms": -2058993658560.7397 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-10-02", "window": { "start": { "local": "1904-10-02T18:32:41+08:00", "utc": "1904-10-02T10:32:41Z", "ms": -2059046839226.3223 }, "end": { "local": "1904-10-02T20:10:23+08:00", "utc": "1904-10-02T12:10:23Z", "ms": -2059040977007.4414 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1904-10-03", "window": { "start": { "local": "1904-10-03T18:31:15+08:00", "utc": "1904-10-03T10:31:15Z", "ms": -2058960525004.2693 }, "end": { "local": "1904-10-03T20:09:15+08:00", "utc": "1904-10-03T12:09:15Z", "ms": -2058954644887.8374 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:16 on Sun 2 Oct to 09:19 on Mon 3 Oct.", "fact": "1904-10-02T02:15:42Z → 1904-10-03T01:19:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:10 on the 2nd, 18:31–20:09 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 98 of 98 minutes on the 2nd and 0 of 98 on the 3rd.", "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 29819 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1904: Sunday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1904 falls on Sunday 2 October. Aṣṭamī runs from 10:16 on Sun 2 Oct to 09:19 on Mon 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33796, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-10-02T10:15:42+08:00", "utc": "1904-10-02T02:15:42Z", "ms": -2059076657773.6123 }, "end": { "local": "1904-10-03T09:19:01+08:00", "utc": "1904-10-03T01:19:01Z", "ms": -2058993658560.7397 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-02T10:15:42+08:00", "utc": "1904-10-02T02:15:42Z", "ms": -2059076657773.6123 }, "end": { "local": "1904-10-03T09:19:01+08:00", "utc": "1904-10-03T01:19:01Z", "ms": -2058993658560.7397 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-10-01", "window": { "start": { "local": "1904-10-01T23:01:46+08:00", "utc": "1904-10-01T15:01:46Z", "ms": -2059117093972.6548 }, "end": { "local": "1904-10-01T23:01:46+08:00", "utc": "1904-10-01T15:01:46Z", "ms": -2059117093972.6548 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-10-02", "window": { "start": { "local": "1904-10-02T23:55:45+08:00", "utc": "1904-10-02T15:55:45Z", "ms": -2059027454902.108 }, "end": { "local": "1904-10-02T23:55:45+08:00", "utc": "1904-10-02T15:55:45Z", "ms": -2059027454902.108 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:16 on Sun 2 Oct to 09:19 on Mon 3 Oct.", "fact": "1904-10-02T02:15:42Z → 1904-10-03T01:19:01Z" }, { "step": "kaala", "text": "Moonrise is at 23:02 on the 1st and 23:56 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33796 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1904: Sunday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1904 falls on Sunday 2 October. Aṣṭamī runs from 10:16 on Sun 2 Oct to 09:19 on Mon 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4241, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-10-05T05:36:24+08:00", "utc": "1904-10-04T21:36:24Z", "ms": -2058834216349.4556 }, "end": { "local": "1904-10-06T02:56:46+08:00", "utc": "1904-10-05T18:56:46Z", "ms": -2058757394299.8179 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-05T05:36:24+08:00", "utc": "1904-10-04T21:36:24Z", "ms": -2058834216349.4556 }, "end": { "local": "1904-10-06T02:56:46+08:00", "utc": "1904-10-05T18:56:46Z", "ms": -2058757394299.8179 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-10-05", "window": { "start": { "local": "1904-10-05T06:47:05+08:00", "utc": "1904-10-04T22:47:05Z", "ms": -2058829975391.346 }, "end": { "local": "1904-10-05T06:47:05+08:00", "utc": "1904-10-04T22:47:05Z", "ms": -2058829975391.346 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-10-06", "window": { "start": { "local": "1904-10-06T06:47:54+08:00", "utc": "1904-10-05T22:47:54Z", "ms": -2058743526357.4004 }, "end": { "local": "1904-10-06T06:47:54+08:00", "utc": "1904-10-05T22:47:54Z", "ms": -2058743526357.4004 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:36 on Wed 5 Oct to 02:57 on Thu 6 Oct.", "fact": "1904-10-04T21:36:24Z → 1904-10-05T18:56:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 5th and 06:48 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 4241 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1904: Wednesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-05", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1904 falls on Wednesday 5 October. Ekādaśī runs from 05:36 on Wed 5 Oct to 02:57 on Thu 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-10-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1479, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-10-06T23:52:03+08:00", "utc": "1904-10-06T15:52:03Z", "ms": -2058682077205.613 }, "end": { "local": "1904-10-07T20:29:27+08:00", "utc": "1904-10-07T12:29:27Z", "ms": -2058607833078.5808 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-06T23:52:03+08:00", "utc": "1904-10-06T15:52:03Z", "ms": -2058682077205.613 }, "end": { "local": "1904-10-07T20:29:27+08:00", "utc": "1904-10-07T12:29:27Z", "ms": -2058607833078.5808 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-10-06", "window": { "start": { "local": "1904-10-06T18:27:00+08:00", "utc": "1904-10-06T10:27:00Z", "ms": -2058701579778.3936 }, "end": { "local": "1904-10-06T20:05:54+08:00", "utc": "1904-10-06T12:05:54Z", "ms": -2058695646077.6223 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1904-10-07", "window": { "start": { "local": "1904-10-07T18:25:36+08:00", "utc": "1904-10-07T10:25:36Z", "ms": -2058615263754.4067 }, "end": { "local": "1904-10-07T20:04:48+08:00", "utc": "1904-10-07T12:04:48Z", "ms": -2058609312238.0835 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:52 on Thu 6 Oct to 20:29 on Fri 7 Oct.", "fact": "1904-10-06T15:52:03Z → 1904-10-07T12:29:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:06 on the 6th, 18:26–20:05 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 99 minutes on the 6th and 99 of 99 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 1479 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Friday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-07", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Friday 7 October. Trayodaśī runs from 23:52 on Thu 6 Oct to 20:29 on Fri 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13448, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-10-07T20:29:27+08:00", "utc": "1904-10-07T12:29:27Z", "ms": -2058607833078.5808 }, "end": { "local": "1904-10-08T16:57:19+08:00", "utc": "1904-10-08T08:57:19Z", "ms": -2058534161193.9182 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-07T20:29:27+08:00", "utc": "1904-10-07T12:29:27Z", "ms": -2058607833078.5808 }, "end": { "local": "1904-10-08T16:57:19+08:00", "utc": "1904-10-08T08:57:19Z", "ms": -2058534161193.9182 } }, "kaala": "nishita", "days": [ { "local_date": "1904-10-07", "window": { "start": { "local": "1904-10-08T00:13:34+08:00", "utc": "1904-10-07T16:13:34Z", "ms": -2058594385568.1943 }, "end": { "local": "1904-10-08T01:01:34+08:00", "utc": "1904-10-07T17:01:34Z", "ms": -2058591505568.1943 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-10-08", "window": { "start": { "local": "1904-10-09T00:13:18+08:00", "utc": "1904-10-08T16:13:18Z", "ms": -2058508002321.3425 }, "end": { "local": "1904-10-09T01:01:18+08:00", "utc": "1904-10-08T17:01:18Z", "ms": -2058505122321.3425 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:29 on Fri 7 Oct to 16:57 on Sat 8 Oct.", "fact": "1904-10-07T12:29:27Z → 1904-10-08T08:57:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 7th, 00:13–01:01 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13448 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Friday 7 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": "1904-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Friday 7 October. Caturdaśī runs from 20:29 on Fri 7 Oct to 16:57 on Sat 8 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1261, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1904-10-08T16:57:19+08:00", "utc": "1904-10-08T08:57:19Z", "ms": -2058534161193.9182 }, "end": { "local": "1904-10-09T13:24:50+08:00", "utc": "1904-10-09T05:24:50Z", "ms": -2058460509616.0151 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-08T16:57:19+08:00", "utc": "1904-10-08T08:57:19Z", "ms": -2058534161193.9182 }, "end": { "local": "1904-10-09T13:24:50+08:00", "utc": "1904-10-09T05:24:50Z", "ms": -2058460509616.0151 } }, "kaala": "aparahna", "days": [ { "local_date": "1904-10-08", "window": { "start": { "local": "1904-10-08T13:46:21+08:00", "utc": "1904-10-08T05:46:21Z", "ms": -2058545619279.2551 }, "end": { "local": "1904-10-08T16:05:17+08:00", "utc": "1904-10-08T08:05:17Z", "ms": -2058537283245.013 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1904-10-09", "window": { "start": { "local": "1904-10-09T13:45:51+08:00", "utc": "1904-10-09T05:45:51Z", "ms": -2058459249045.6448 }, "end": { "local": "1904-10-09T16:04:20+08:00", "utc": "1904-10-09T08:04:20Z", "ms": -2058450939583.555 } }, "covered_min": 0, "window_min": 138, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:57 on Sat 8 Oct to 13:25 on Sun 9 Oct.", "fact": "1904-10-08T08:57:19Z → 1904-10-09T05:24:50Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:46–16:05 on the 8th, 13:46–16:04 on the 9th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 139 minutes on the 8th and 0 of 138 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither afternoon qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1261 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1904: Saturday 8 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-08", "confidence": "boundary" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1904 falls on Saturday 8 October. Amāvasyā runs from 16:57 on Sat 8 Oct to 13:25 on Sun 9 Oct, and reaches aparāhṇa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1454, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-10-09T13:24:50+08:00", "utc": "1904-10-09T05:24:50Z", "ms": -2058460509616.0151 }, "end": { "local": "1904-10-10T10:01:47+08:00", "utc": "1904-10-10T02:01:47Z", "ms": -2058386293396.6814 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-09T13:24:50+08:00", "utc": "1904-10-09T05:24:50Z", "ms": -2058460509616.0151 }, "end": { "local": "1904-10-10T10:01:47+08:00", "utc": "1904-10-10T02:01:47Z", "ms": -2058386293396.6814 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-10-09", "window": { "start": { "local": "1904-10-09T12:12:36+08:00", "utc": "1904-10-09T04:12:36Z", "ms": -2058464843776.6897 }, "end": { "local": "1904-10-09T13:00:36+08:00", "utc": "1904-10-09T05:00:36Z", "ms": -2058461963776.6897 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-10-10", "window": { "start": { "local": "1904-10-10T12:12:20+08:00", "utc": "1904-10-10T04:12:20Z", "ms": -2058378459815.2234 }, "end": { "local": "1904-10-10T13:00:20+08:00", "utc": "1904-10-10T05:00:20Z", "ms": -2058375579815.2234 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:25 on Sun 9 Oct to 10:02 on Mon 10 Oct.", "fact": "1904-10-09T05:24:50Z → 1904-10-10T02:01:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 9th, 12:12–13:00 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1454 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1904: Monday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-09", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1904 falls on Monday 10 October. Pratipadā runs from 13:25 on Sun 9 Oct to 10:02 on Mon 10 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-10-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28103, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-10-12T04:23:26+08:00", "utc": "1904-10-11T20:23:26Z", "ms": -2058233793883.7163 }, "end": { "local": "1904-10-13T02:26:42+08:00", "utc": "1904-10-12T18:26:42Z", "ms": -2058154397788.4497 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-12T04:23:26+08:00", "utc": "1904-10-11T20:23:26Z", "ms": -2058233793883.7163 }, "end": { "local": "1904-10-13T02:26:42+08:00", "utc": "1904-10-12T18:26:42Z", "ms": -2058154397788.4497 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-10-12", "window": { "start": { "local": "1904-10-12T12:11:49+08:00", "utc": "1904-10-12T04:11:49Z", "ms": -2058205690509.9783 }, "end": { "local": "1904-10-12T12:59:49+08:00", "utc": "1904-10-12T04:59:49Z", "ms": -2058202810509.9783 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-10-13", "window": { "start": { "local": "1904-10-13T12:11:35+08:00", "utc": "1904-10-13T04:11:35Z", "ms": -2058119305136.4507 }, "end": { "local": "1904-10-13T12:59:35+08:00", "utc": "1904-10-13T04:59:35Z", "ms": -2058116425136.4507 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:23 on Wed 12 Oct to 02:27 on Thu 13 Oct.", "fact": "1904-10-11T20:23:26Z → 1904-10-12T18:26:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 12th, 12:12–13:00 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28103 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Wednesday 12 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": "1904-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-12", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Wednesday 12 October. Caturthī runs from 04:23 on Wed 12 Oct to 02:27 on Thu 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20078, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-10-15T00:53:05+08:00", "utc": "1904-10-14T16:53:05Z", "ms": -2057987214979.6099 }, "end": { "local": "1904-10-16T01:21:44+08:00", "utc": "1904-10-15T17:21:44Z", "ms": -2057899096471.6038 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-15T00:53:05+08:00", "utc": "1904-10-14T16:53:05Z", "ms": -2057987214979.6099 }, "end": { "local": "1904-10-16T01:21:44+08:00", "utc": "1904-10-15T17:21:44Z", "ms": -2057899096471.6038 } }, "kaala": "udaya-1", "days": [ { "local_date": "1904-10-15", "window": { "start": { "local": "1904-10-15T06:55:29+08:00", "utc": "1904-10-14T22:55:29Z", "ms": -2057965471109.5205 }, "end": { "local": "1904-10-15T07:40:46+08:00", "utc": "1904-10-14T23:40:46Z", "ms": -2057962754010.5884 } }, "covered_min": 45, "window_min": 45, "qualifies": true }, { "local_date": "1904-10-16", "window": { "start": { "local": "1904-10-16T06:56:21+08:00", "utc": "1904-10-15T22:56:21Z", "ms": -2057879018929.44 }, "end": { "local": "1904-10-16T07:41:29+08:00", "utc": "1904-10-15T23:41:29Z", "ms": -2057876310530.5737 } }, "covered_min": 0, "window_min": 45, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:53 on Sat 15 Oct to 01:22 on Sun 16 Oct.", "fact": "1904-10-14T16:53:05Z → 1904-10-15T17:21:44Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:55–07:41 on the 15th, 06:56–07:41 on the 16th.", "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 45 of 45 minutes on the 15th and 0 of 45 on the 16th.", "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 20078 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1904: Saturday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1904 falls on Saturday 15 October. Saptamī runs from 00:53 on Sat 15 Oct to 01:22 on Sun 16 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34382, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-10-16T01:21:44+08:00", "utc": "1904-10-15T17:21:44Z", "ms": -2057899096471.6038 }, "end": { "local": "1904-10-17T02:37:40+08:00", "utc": "1904-10-16T18:37:40Z", "ms": -2057808140324.693 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-16T01:21:44+08:00", "utc": "1904-10-15T17:21:44Z", "ms": -2057899096471.6038 }, "end": { "local": "1904-10-17T02:37:40+08:00", "utc": "1904-10-16T18:37:40Z", "ms": -2057808140324.693 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-10-16", "window": { "start": { "local": "1904-10-16T12:10:54+08:00", "utc": "1904-10-16T04:10:54Z", "ms": -2057860145937.9429 }, "end": { "local": "1904-10-16T12:58:54+08:00", "utc": "1904-10-16T04:58:54Z", "ms": -2057857265937.9429 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-10-17", "window": { "start": { "local": "1904-10-17T12:10:42+08:00", "utc": "1904-10-17T04:10:42Z", "ms": -2057773758454.5962 }, "end": { "local": "1904-10-17T12:58:42+08:00", "utc": "1904-10-17T04:58:42Z", "ms": -2057770878454.5962 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:22 on Sun 16 Oct to 02:38 on Mon 17 Oct.", "fact": "1904-10-15T17:21:44Z → 1904-10-16T18:37:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 16th, 12:11–12:59 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34382 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1904: Sunday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-16", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1904 falls on Sunday 16 October. Aṣṭamī runs from 01:22 on Sun 16 Oct to 02:38 on Mon 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27438, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1904-10-17T02:37:40+08:00", "utc": "1904-10-16T18:37:40Z", "ms": -2057808140324.693 }, "end": { "local": "1904-10-18T04:33:12+08:00", "utc": "1904-10-17T20:33:12Z", "ms": -2057714807994.8254 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-17T02:37:40+08:00", "utc": "1904-10-16T18:37:40Z", "ms": -2057808140324.693 }, "end": { "local": "1904-10-18T04:33:12+08:00", "utc": "1904-10-17T20:33:12Z", "ms": -2057714807994.8254 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-10-17", "window": { "start": { "local": "1904-10-17T12:10:42+08:00", "utc": "1904-10-17T04:10:42Z", "ms": -2057773758454.5962 }, "end": { "local": "1904-10-17T12:58:42+08:00", "utc": "1904-10-17T04:58:42Z", "ms": -2057770878454.5962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-10-18", "window": { "start": { "local": "1904-10-18T12:10:30+08:00", "utc": "1904-10-18T04:10:30Z", "ms": -2057687370399.3125 }, "end": { "local": "1904-10-18T12:58:30+08:00", "utc": "1904-10-18T04:58:30Z", "ms": -2057684490399.3125 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:38 on Mon 17 Oct to 04:33 on Tue 18 Oct.", "fact": "1904-10-16T18:37:40Z → 1904-10-17T20:33:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 17th, 12:10–12:58 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27438 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1904: Monday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-17", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1904 falls on Monday 17 October. Navamī runs from 02:38 on Mon 17 Oct to 04:33 on Tue 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8694, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1904-10-18T04:33:12+08:00", "utc": "1904-10-17T20:33:12Z", "ms": -2057714807994.8254 }, "end": { "local": "1904-10-19T06:57:06+08:00", "utc": "1904-10-18T22:57:06Z", "ms": -2057619773733.933 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1904-10-18T04:33:12+08:00", "utc": "1904-10-17T20:33:12Z", "ms": -2057714807994.8254 }, "end": { "local": "1904-10-18T12:12:56+08:00", "utc": "1904-10-18T04:12:56Z", "ms": -2057687223790.5725 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1904-10-17T09:37:45+08:00", "utc": "1904-10-17T01:37:45Z", "ms": -2057782934732.0598 }, "end": { "local": "1904-10-18T12:12:56+08:00", "utc": "1904-10-18T04:12:56Z", "ms": -2057687223790.5725 } } }, "kaala": "daytime", "days": [ { "local_date": "1904-10-17", "window": { "start": { "local": "1904-10-17T06:57:14+08:00", "utc": "1904-10-16T22:57:14Z", "ms": -2057792566418.5632 }, "end": { "local": "1904-10-17T18:12:10+08:00", "utc": "1904-10-17T10:12:10Z", "ms": -2057752070490.6292 } }, "covered_min": 0, "window_min": 675, "qualifies": false }, { "local_date": "1904-10-18", "window": { "start": { "local": "1904-10-18T06:58:06+08:00", "utc": "1904-10-17T22:58:06Z", "ms": -2057706113572.8992 }, "end": { "local": "1904-10-18T18:10:53+08:00", "utc": "1904-10-18T10:10:53Z", "ms": -2057665747225.7256 } }, "covered_min": 315, "window_min": 673, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 04:33 on Tue 18 Oct to 06:57 on Wed 19 Oct, and Śravaṇa from 09:38 on Mon 17 Oct to 12:13 on Tue 18 Oct. They are together from 04:33 on Tue 18 Oct to 12:13 on Tue 18 Oct.", "fact": "1904-10-17T20:33:12Z → 1904-10-18T04:12:56Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:57–18:12 on the 17th, 06:58–18:11 on the 18th.", "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 675 minutes on the 17th and 315 of 673 on the 18th.", "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 8694 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1904: Tuesday 18 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": "1904-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-18", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1904 falls on Tuesday 18 October. Daśamī runs from 04:33 on Tue 18 Oct to 06:57 on Wed 19 Oct and is with Śravaṇa in the day time that day, for 315 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 113, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-10-19T06:57:06+08:00", "utc": "1904-10-18T22:57:06Z", "ms": -2057619773733.933 }, "end": { "local": "1904-10-20T09:36:13+08:00", "utc": "1904-10-20T01:36:13Z", "ms": -2057523827033.421 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-19T06:57:06+08:00", "utc": "1904-10-18T22:57:06Z", "ms": -2057619773733.933 }, "end": { "local": "1904-10-20T09:36:13+08:00", "utc": "1904-10-20T01:36:13Z", "ms": -2057523827033.421 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-10-19", "window": { "start": { "local": "1904-10-19T06:59:00+08:00", "utc": "1904-10-18T22:59:00Z", "ms": -2057619660388.5247 }, "end": { "local": "1904-10-19T06:59:00+08:00", "utc": "1904-10-18T22:59:00Z", "ms": -2057619660388.5247 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-10-20", "window": { "start": { "local": "1904-10-20T06:59:53+08:00", "utc": "1904-10-19T22:59:53Z", "ms": -2057533206861.7078 }, "end": { "local": "1904-10-20T06:59:53+08:00", "utc": "1904-10-19T22:59:53Z", "ms": -2057533206861.7078 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:57 on Wed 19 Oct to 09:36 on Thu 20 Oct.", "fact": "1904-10-18T22:57:06Z → 1904-10-20T01:36:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:59 on the 19th and 07:00 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 on the 20th.", "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 113 s < 300 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1904: Thursday 20 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-20", "confidence": "boundary" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1904 falls on Thursday 20 October. Ekādaśī runs from 06:57 on Wed 19 Oct to 09:36 on Thu 20 Oct and is current at sunrise that day. It is 1 min 53 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-10-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11781, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-10-21T12:17:27+08:00", "utc": "1904-10-21T04:17:27Z", "ms": -2057427752921.6694 }, "end": { "local": "1904-10-22T14:49:33+08:00", "utc": "1904-10-22T06:49:33Z", "ms": -2057332226912.951 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1904-10-21T12:17:27+08:00", "utc": "1904-10-21T04:17:27Z", "ms": -2057427752921.6694 }, "end": { "local": "1904-10-22T14:49:33+08:00", "utc": "1904-10-22T06:49:33Z", "ms": -2057332226912.951 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-10-21", "window": { "start": { "local": "1904-10-21T18:07:08+08:00", "utc": "1904-10-21T10:07:08Z", "ms": -2057406772246.9758 }, "end": { "local": "1904-10-21T19:50:24+08:00", "utc": "1904-10-21T11:50:24Z", "ms": -2057400575783.0225 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1904-10-22", "window": { "start": { "local": "1904-10-22T18:05:55+08:00", "utc": "1904-10-22T10:05:55Z", "ms": -2057320445414.551 }, "end": { "local": "1904-10-22T19:49:28+08:00", "utc": "1904-10-22T11:49:28Z", "ms": -2057314231918.4807 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:17 on Fri 21 Oct to 14:50 on Sat 22 Oct.", "fact": "1904-10-21T04:17:27Z → 1904-10-22T06:49:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:50 on the 21st, 18:06–19:49 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 103 of 103 minutes on the 21st and 0 of 104 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 11781 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Friday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Friday 21 October. Trayodaśī runs from 12:17 on Fri 21 Oct to 14:50 on Sat 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3927, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-10-27T21:55:51+08:00", "utc": "1904-10-27T13:55:51Z", "ms": -2056874648684.1443 }, "end": { "local": "1904-10-28T22:04:02+08:00", "utc": "1904-10-28T14:04:02Z", "ms": -2056787758252.4363 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-10-27T21:55:51+08:00", "utc": "1904-10-27T13:55:51Z", "ms": -2056874648684.1443 }, "end": { "local": "1904-10-28T22:04:02+08:00", "utc": "1904-10-28T14:04:02Z", "ms": -2056787758252.4363 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-10-27", "window": { "start": { "local": "1904-10-27T20:11:30+08:00", "utc": "1904-10-27T12:11:30Z", "ms": -2056880909591.466 }, "end": { "local": "1904-10-27T20:11:30+08:00", "utc": "1904-10-27T12:11:30Z", "ms": -2056880909591.466 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-10-28", "window": { "start": { "local": "1904-10-28T20:58:35+08:00", "utc": "1904-10-28T12:58:35Z", "ms": -2056791685470.038 }, "end": { "local": "1904-10-28T20:58:35+08:00", "utc": "1904-10-28T12:58:35Z", "ms": -2056791685470.038 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:56 on Thu 27 Oct to 22:04 on Fri 28 Oct.", "fact": "1904-10-27T13:55:51Z → 1904-10-28T14:04:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 27th and 20:59 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3927 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1904: Friday 28 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": "1904-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-28", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1904 falls on Friday 28 October. Caturthī runs from 21:56 on Thu 27 Oct to 22:04 on Fri 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-10-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3927, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-10-27T21:55:51+08:00", "utc": "1904-10-27T13:55:51Z", "ms": -2056874648684.1443 }, "end": { "local": "1904-10-28T22:04:02+08:00", "utc": "1904-10-28T14:04:02Z", "ms": -2056787758252.4363 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-10-27T21:55:51+08:00", "utc": "1904-10-27T13:55:51Z", "ms": -2056874648684.1443 }, "end": { "local": "1904-10-28T22:04:02+08:00", "utc": "1904-10-28T14:04:02Z", "ms": -2056787758252.4363 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-10-27", "window": { "start": { "local": "1904-10-27T20:11:30+08:00", "utc": "1904-10-27T12:11:30Z", "ms": -2056880909591.466 }, "end": { "local": "1904-10-27T20:11:30+08:00", "utc": "1904-10-27T12:11:30Z", "ms": -2056880909591.466 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-10-28", "window": { "start": { "local": "1904-10-28T20:58:35+08:00", "utc": "1904-10-28T12:58:35Z", "ms": -2056791685470.038 }, "end": { "local": "1904-10-28T20:58:35+08:00", "utc": "1904-10-28T12:58:35Z", "ms": -2056791685470.038 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:56 on Thu 27 Oct to 22:04 on Fri 28 Oct.", "fact": "1904-10-27T13:55:51Z → 1904-10-28T14:04:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:12 on the 27th and 20:59 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3927 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Friday 28 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": "1904-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-28", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Friday 28 October. Caturthī runs from 21:56 on Thu 27 Oct to 22:04 on Fri 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13871, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-10-31T19:56:37+08:00", "utc": "1904-10-31T11:56:37Z", "ms": -2056536202525.979 }, "end": { "local": "1904-11-01T18:23:28+08:00", "utc": "1904-11-01T10:23:28Z", "ms": -2056455391974.5486 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-10-31T19:56:37+08:00", "utc": "1904-10-31T11:56:37Z", "ms": -2056536202525.979 }, "end": { "local": "1904-11-01T18:23:28+08:00", "utc": "1904-11-01T10:23:28Z", "ms": -2056455391974.5486 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-10-31", "window": { "start": { "local": "1904-10-31T23:47:49+08:00", "utc": "1904-10-31T15:47:49Z", "ms": -2056522331235.0886 }, "end": { "local": "1904-10-31T23:47:49+08:00", "utc": "1904-10-31T15:47:49Z", "ms": -2056522331235.0886 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-11-01", "window": { "start": { "local": "1904-11-02T00:51:30+08:00", "utc": "1904-11-01T16:51:30Z", "ms": -2056432109922.9543 }, "end": { "local": "1904-11-02T00:51:30+08:00", "utc": "1904-11-01T16:51:30Z", "ms": -2056432109922.9543 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:57 on Mon 31 Oct to 18:23 on Tue 1 Nov.", "fact": "1904-10-31T11:56:37Z → 1904-11-01T10:23:28Z" }, { "step": "kaala", "text": "Moonrise is at 23:48 on the 31st and 00:52 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13871 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1904: Monday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-10-31", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1904 falls on Monday 31 October. Aṣṭamī runs from 19:57 on Mon 31 Oct to 18:23 on Tue 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-11-04", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15117, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-11-03T14:05:28+08:00", "utc": "1904-11-03T06:05:28Z", "ms": -2056298071746.546 }, "end": { "local": "1904-11-04T11:25:55+08:00", "utc": "1904-11-04T03:25:55Z", "ms": -2056221244689.3357 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-03T14:05:28+08:00", "utc": "1904-11-03T06:05:28Z", "ms": -2056298071746.546 }, "end": { "local": "1904-11-04T11:25:55+08:00", "utc": "1904-11-04T03:25:55Z", "ms": -2056221244689.3357 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-11-03", "window": { "start": { "local": "1904-11-03T07:12:59+08:00", "utc": "1904-11-02T23:12:59Z", "ms": -2056322820776.8108 }, "end": { "local": "1904-11-03T07:12:59+08:00", "utc": "1904-11-02T23:12:59Z", "ms": -2056322820776.8108 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-11-04", "window": { "start": { "local": "1904-11-04T07:13:58+08:00", "utc": "1904-11-03T23:13:58Z", "ms": -2056236362140.8118 }, "end": { "local": "1904-11-04T07:13:58+08:00", "utc": "1904-11-03T23:13:58Z", "ms": -2056236362140.8118 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:05 on Thu 3 Nov to 11:26 on Fri 4 Nov.", "fact": "1904-11-03T06:05:28Z → 1904-11-04T03:25:55Z" }, { "step": "kaala", "text": "Sunrise is at 07:13 on the 3rd and 07:14 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15117 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1904: Friday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1904 falls on Friday 4 November. Ekādaśī runs from 14:05 on Thu 3 Nov to 11:26 on Fri 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23149, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-11-04T11:25:55+08:00", "utc": "1904-11-04T03:25:55Z", "ms": -2056221244689.3357 }, "end": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-04T11:25:55+08:00", "utc": "1904-11-04T03:25:55Z", "ms": -2056221244689.3357 }, "end": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-04", "window": { "start": { "local": "1904-11-04T17:51:45+08:00", "utc": "1904-11-04T09:51:45Z", "ms": -2056198095258.7969 }, "end": { "local": "1904-11-04T19:38:50+08:00", "utc": "1904-11-04T11:38:50Z", "ms": -2056191669655.1895 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1904-11-05", "window": { "start": { "local": "1904-11-05T17:50:48+08:00", "utc": "1904-11-05T09:50:48Z", "ms": -2056111751663.769 }, "end": { "local": "1904-11-05T19:38:09+08:00", "utc": "1904-11-05T11:38:09Z", "ms": -2056105310651.3406 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:26 on Fri 4 Nov to 08:32 on Sat 5 Nov.", "fact": "1904-11-04T03:25:55Z → 1904-11-05T00:32:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:39 on the 4th, 17:51–19:38 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 4th and 0 of 107 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23149 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1904: Friday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-04", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1904 falls on Friday 4 November. Dvādaśī runs from 11:26 on Fri 4 Nov to 08:32 on Sat 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33523, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 }, "end": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 }, "end": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-05", "window": { "start": { "local": "1904-11-05T17:50:48+08:00", "utc": "1904-11-05T09:50:48Z", "ms": -2056111751663.769 }, "end": { "local": "1904-11-05T19:38:09+08:00", "utc": "1904-11-05T11:38:09Z", "ms": -2056105310651.3406 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-06T17:49:53+08:00", "utc": "1904-11-06T09:49:53Z", "ms": -2056025406634.251 }, "end": { "local": "1904-11-06T19:37:30+08:00", "utc": "1904-11-06T11:37:30Z", "ms": -2056018950373.772 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:32 on Sat 5 Nov to 05:30 on Sun 6 Nov.", "fact": "1904-11-05T00:32:05Z → 1904-11-05T21:30:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:38 on the 5th, 17:50–19:37 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33523 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1904: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dīpadāna 1904 falls on Saturday 5 November. Trayodaśī runs from 08:32 on Sat 5 Nov to 05:30 on Sun 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33523, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 }, "end": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-05T08:32:05+08:00", "utc": "1904-11-05T00:32:05Z", "ms": -2056145274631.3389 }, "end": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-05", "window": { "start": { "local": "1904-11-05T17:50:48+08:00", "utc": "1904-11-05T09:50:48Z", "ms": -2056111751663.769 }, "end": { "local": "1904-11-05T19:38:09+08:00", "utc": "1904-11-05T11:38:09Z", "ms": -2056105310651.3406 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-06T17:49:53+08:00", "utc": "1904-11-06T09:49:53Z", "ms": -2056025406634.251 }, "end": { "local": "1904-11-06T19:37:30+08:00", "utc": "1904-11-06T11:37:30Z", "ms": -2056018950373.772 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:32 on Sat 5 Nov to 05:30 on Sun 6 Nov.", "fact": "1904-11-05T00:32:05Z → 1904-11-05T21:30:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:38 on the 5th, 17:50–19:37 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 108 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33523 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 5 November. Trayodaśī runs from 08:32 on Sat 5 Nov to 05:30 on Sun 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-06", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 114, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "end": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "end": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 } }, "kaala": "arunodaya", "days": [ { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-06T05:28:35+08:00", "utc": "1904-11-05T21:28:35Z", "ms": -2056069885082.9849 }, "end": { "local": "1904-11-06T07:15:56+08:00", "utc": "1904-11-05T23:15:56Z", "ms": -2056063444070.5564 } }, "covered_min": 105, "window_min": 107, "qualifies": true }, { "local_date": "1904-11-07", "window": { "start": { "local": "1904-11-07T05:29:19+08:00", "utc": "1904-11-06T21:29:19Z", "ms": -2055983440941.1382 }, "end": { "local": "1904-11-07T07:16:55+08:00", "utc": "1904-11-06T23:16:55Z", "ms": -2055976984680.6592 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:30 on Sun 6 Nov to 02:29 on Mon 7 Nov.", "fact": "1904-11-05T21:30:29Z → 1904-11-06T18:29:00Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:29–07:16 on the 6th, 05:29–07:17 on the 7th.", "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 105 of 107 minutes on the 6th and 0 of 108 on the 7th.", "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 114 s < 300 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1904: Sunday 6 November.", "fact": "confidence: boundary (margin)" } ], "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": "1904-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-06", "confidence": "boundary" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1904 falls on Sunday 6 November. Caturdaśī runs from 05:30 on Sun 6 Nov to 02:29 on Mon 7 Nov and covers 105 of 107 minutes of aruṇodaya that dawn. It is 1 min 54 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1972, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "end": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "end": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 } }, "kaala": "nishita", "days": [ { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-07T00:09:24+08:00", "utc": "1904-11-06T16:09:24Z", "ms": -2056002635657.455 }, "end": { "local": "1904-11-07T00:57:24+08:00", "utc": "1904-11-06T16:57:24Z", "ms": -2055999755657.455 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-07", "window": { "start": { "local": "1904-11-08T00:09:27+08:00", "utc": "1904-11-07T16:09:27Z", "ms": -2055916232615.858 }, "end": { "local": "1904-11-08T00:57:27+08:00", "utc": "1904-11-07T16:57:27Z", "ms": -2055913352615.858 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:29 on Mon 7 Nov to 23:37 on Mon 7 Nov.", "fact": "1904-11-06T18:29:00Z → 1904-11-07T15:36:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 6th, 00:09–00:57 on the 7th.", "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 6th and 0 of 48 on the 7th.", "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 1972 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1904: Sunday 6 November.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-06", "confidence": "boundary" } ], "quote": "In Qingyang, Kālī Pūjā 1904 falls on Sunday 6 November. Amāvasyā runs from 02:29 on Mon 7 Nov to 23:37 on Mon 7 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/shivaratri?on=1904-11-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5496, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "end": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-06T05:30:29+08:00", "utc": "1904-11-05T21:30:29Z", "ms": -2056069770708.621 }, "end": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 } }, "kaala": "nishita", "days": [ { "local_date": "1904-11-05", "window": { "start": { "local": "1904-11-06T00:09:22+08:00", "utc": "1904-11-05T16:09:22Z", "ms": -2056089037867.1626 }, "end": { "local": "1904-11-06T00:57:22+08:00", "utc": "1904-11-05T16:57:22Z", "ms": -2056086157867.1626 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-07T00:09:24+08:00", "utc": "1904-11-06T16:09:24Z", "ms": -2056002635657.455 }, "end": { "local": "1904-11-07T00:57:24+08:00", "utc": "1904-11-06T16:57:24Z", "ms": -2055999755657.455 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:30 on Sun 6 Nov to 02:29 on Mon 7 Nov.", "fact": "1904-11-05T21:30:29Z → 1904-11-06T18:29:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 5th, 00:09–00:57 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5496 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Sunday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-06", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Sunday 6 November. Caturdaśī runs from 05:30 on Sun 6 Nov to 02:29 on Mon 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14384, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "end": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-07T02:29:00+08:00", "utc": "1904-11-06T18:29:00Z", "ms": -2055994259770.5745 }, "end": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-06", "window": { "start": { "local": "1904-11-06T17:49:53+08:00", "utc": "1904-11-06T09:49:53Z", "ms": -2056025406634.251 }, "end": { "local": "1904-11-06T19:37:30+08:00", "utc": "1904-11-06T11:37:30Z", "ms": -2056018950373.772 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1904-11-07", "window": { "start": { "local": "1904-11-07T17:49:00+08:00", "utc": "1904-11-07T09:49:00Z", "ms": -2055939060144.1042 }, "end": { "local": "1904-11-07T19:36:51+08:00", "utc": "1904-11-07T11:36:51Z", "ms": -2055932588803.2385 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:29 on Mon 7 Nov to 23:37 on Mon 7 Nov.", "fact": "1904-11-06T18:29:00Z → 1904-11-07T15:36:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:37 on the 6th, 17:49–19:37 on the 7th.", "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 108 minutes on the 6th and 108 of 108 on the 7th.", "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 14384 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1904: Monday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-07", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1904 falls on Monday 7 November. Amāvasyā runs from 02:29 on Mon 7 Nov to 23:37 on Mon 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29151, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-07", "window": { "start": { "local": "1904-11-07T12:08:58+08:00", "utc": "1904-11-07T04:08:58Z", "ms": -2055959462412.3818 }, "end": { "local": "1904-11-07T12:56:58+08:00", "utc": "1904-11-07T04:56:58Z", "ms": -2055956582412.3818 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-08", "window": { "start": { "local": "1904-11-08T12:09:01+08:00", "utc": "1904-11-08T04:09:01Z", "ms": -2055873058627.6997 }, "end": { "local": "1904-11-08T12:57:01+08:00", "utc": "1904-11-08T04:57:01Z", "ms": -2055870178627.6997 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov.", "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 7th, 12:09–12:57 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29151 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1904: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-08", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1904 falls on Tuesday 8 November. Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5198, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-07", "window": { "start": { "local": "1904-11-07T17:49:00+08:00", "utc": "1904-11-07T09:49:00Z", "ms": -2055939060144.1042 }, "end": { "local": "1904-11-07T19:36:51+08:00", "utc": "1904-11-07T11:36:51Z", "ms": -2055932588803.2385 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1904-11-08", "window": { "start": { "local": "1904-11-08T17:48:08+08:00", "utc": "1904-11-08T09:48:08Z", "ms": -2055852712167.7876 }, "end": { "local": "1904-11-08T19:36:14+08:00", "utc": "1904-11-08T11:36:14Z", "ms": -2055846225921.2456 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov.", "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:37 on the 7th, 17:48–19:36 on the 8th.", "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 108 minutes on the 7th and 108 of 108 on the 8th.", "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 5198 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1904: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-08", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1904 falls on Tuesday 8 November. Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27679, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-07T23:36:36+08:00", "utc": "1904-11-07T15:36:36Z", "ms": -2055918204421.16 }, "end": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 } }, "kaala": "purvahna", "days": [ { "local_date": "1904-11-08", "window": { "start": { "local": "1904-11-08T07:17:55+08:00", "utc": "1904-11-07T23:17:55Z", "ms": -2055890525087.6116 }, "end": { "local": "1904-11-08T10:47:59+08:00", "utc": "1904-11-08T02:47:59Z", "ms": -2055877920781.0037 } }, "covered_min": 210, "window_min": 210, "qualifies": true }, { "local_date": "1904-11-09", "window": { "start": { "local": "1904-11-09T07:18:55+08:00", "utc": "1904-11-08T23:18:55Z", "ms": -2055804065318.7224 }, "end": { "local": "1904-11-09T10:48:22+08:00", "utc": "1904-11-09T02:48:22Z", "ms": -2055791497772.427 } }, "covered_min": 0, "window_min": 209, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov.", "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:18–10:48 on the 8th, 07:19–10:48 on the 9th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 210 of 210 minutes on the 8th and 0 of 209 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27679 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1904: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-08", "confidence": "determinate" } ], "quote": "In Qingyang, Dyūta Pratipad 1904 falls on Tuesday 8 November. Pratipadā runs from 23:37 on Mon 7 Nov to 21:03 on Tue 8 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21626, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 }, "end": { "local": "1904-11-09T18:57:32+08:00", "utc": "1904-11-09T10:57:32Z", "ms": -2055762147712.1838 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-08T21:02:52+08:00", "utc": "1904-11-08T13:02:52Z", "ms": -2055841027928.743 }, "end": { "local": "1904-11-09T18:57:32+08:00", "utc": "1904-11-09T10:57:32Z", "ms": -2055762147712.1838 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-08", "window": { "start": { "local": "1904-11-08T12:09:01+08:00", "utc": "1904-11-08T04:09:01Z", "ms": -2055873058627.6997 }, "end": { "local": "1904-11-08T12:57:01+08:00", "utc": "1904-11-08T04:57:01Z", "ms": -2055870178627.6997 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-09", "window": { "start": { "local": "1904-11-09T12:09:06+08:00", "utc": "1904-11-09T04:09:06Z", "ms": -2055786653999.2793 }, "end": { "local": "1904-11-09T12:57:06+08:00", "utc": "1904-11-09T04:57:06Z", "ms": -2055783773999.2793 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:03 on Tue 8 Nov to 18:58 on Wed 9 Nov.", "fact": "1904-11-08T13:02:52Z → 1904-11-09T10:57:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 8th, 12:09–12:57 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21626 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1904: Wednesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-09", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1904 falls on Wednesday 9 November. Dvitīyā runs from 21:03 on Tue 8 Nov to 18:58 on Wed 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13760, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-11-10T17:29:39+08:00", "utc": "1904-11-10T09:29:39Z", "ms": -2055681020503.8174 }, "end": { "local": "1904-11-11T16:46:38+08:00", "utc": "1904-11-11T08:46:38Z", "ms": -2055597201842.944 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-10T17:29:39+08:00", "utc": "1904-11-10T09:29:39Z", "ms": -2055681020503.8174 }, "end": { "local": "1904-11-11T16:46:38+08:00", "utc": "1904-11-11T08:46:38Z", "ms": -2055597201842.944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-10", "window": { "start": { "local": "1904-11-10T12:09:11+08:00", "utc": "1904-11-10T04:09:11Z", "ms": -2055700248528.5205 }, "end": { "local": "1904-11-10T12:57:11+08:00", "utc": "1904-11-10T04:57:11Z", "ms": -2055697368528.5205 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-11", "window": { "start": { "local": "1904-11-11T12:09:18+08:00", "utc": "1904-11-11T04:09:18Z", "ms": -2055613842216.9812 }, "end": { "local": "1904-11-11T12:57:18+08:00", "utc": "1904-11-11T04:57:18Z", "ms": -2055610962216.9812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:30 on Thu 10 Nov to 16:47 on Fri 11 Nov.", "fact": "1904-11-10T09:29:39Z → 1904-11-11T08:46:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13760 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1904: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-11", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1904 falls on Friday 11 November. Caturthī runs from 17:30 on Thu 10 Nov to 16:47 on Fri 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/vinayaka-chaturthi?on=1904-11-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13760, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-11-10T17:29:39+08:00", "utc": "1904-11-10T09:29:39Z", "ms": -2055681020503.8174 }, "end": { "local": "1904-11-11T16:46:38+08:00", "utc": "1904-11-11T08:46:38Z", "ms": -2055597201842.944 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-10T17:29:39+08:00", "utc": "1904-11-10T09:29:39Z", "ms": -2055681020503.8174 }, "end": { "local": "1904-11-11T16:46:38+08:00", "utc": "1904-11-11T08:46:38Z", "ms": -2055597201842.944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-10", "window": { "start": { "local": "1904-11-10T12:09:11+08:00", "utc": "1904-11-10T04:09:11Z", "ms": -2055700248528.5205 }, "end": { "local": "1904-11-10T12:57:11+08:00", "utc": "1904-11-10T04:57:11Z", "ms": -2055697368528.5205 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-11", "window": { "start": { "local": "1904-11-11T12:09:18+08:00", "utc": "1904-11-11T04:09:18Z", "ms": -2055613842216.9812 }, "end": { "local": "1904-11-11T12:57:18+08:00", "utc": "1904-11-11T04:57:18Z", "ms": -2055610962216.9812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:30 on Thu 10 Nov to 16:47 on Fri 11 Nov.", "fact": "1904-11-10T09:29:39Z → 1904-11-11T08:46:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13760 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Friday 11 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": "1904-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-11", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Friday 11 November. Caturthī runs from 17:30 on Thu 10 Nov to 16:47 on Fri 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14136, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-11-12T16:53:01+08:00", "utc": "1904-11-12T08:53:01Z", "ms": -2055510418648.536 }, "end": { "local": "1904-11-13T17:49:15+08:00", "utc": "1904-11-13T09:49:15Z", "ms": -2055420645058.7244 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-12T16:53:01+08:00", "utc": "1904-11-12T08:53:01Z", "ms": -2055510418648.536 }, "end": { "local": "1904-11-13T17:49:15+08:00", "utc": "1904-11-13T09:49:15Z", "ms": -2055420645058.7244 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-12", "window": { "start": { "local": "1904-11-12T12:09:25+08:00", "utc": "1904-11-12T04:09:25Z", "ms": -2055527435066.2417 }, "end": { "local": "1904-11-12T12:57:25+08:00", "utc": "1904-11-12T04:57:25Z", "ms": -2055524555066.2417 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-13", "window": { "start": { "local": "1904-11-13T12:09:33+08:00", "utc": "1904-11-13T04:09:33Z", "ms": -2055441027077.9102 }, "end": { "local": "1904-11-13T12:57:33+08:00", "utc": "1904-11-13T04:57:33Z", "ms": -2055438147077.9102 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:53 on Sat 12 Nov to 17:49 on Sun 13 Nov.", "fact": "1904-11-12T08:53:01Z → 1904-11-13T09:49:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 12th, 12:10–12:58 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14136 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1904: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-13", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1904 falls on Sunday 13 November. Ṣaṣṭhī runs from 16:53 on Sat 12 Nov to 17:49 on Sun 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23578, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1904-11-14T19:30:40+08:00", "utc": "1904-11-14T11:30:40Z", "ms": -2055328159916.215 }, "end": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-14T19:30:40+08:00", "utc": "1904-11-14T11:30:40Z", "ms": -2055328159916.215 }, "end": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-14", "window": { "start": { "local": "1904-11-14T12:09:42+08:00", "utc": "1904-11-14T04:09:42Z", "ms": -2055354618253.7275 }, "end": { "local": "1904-11-14T12:57:42+08:00", "utc": "1904-11-14T04:57:42Z", "ms": -2055351738253.7275 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-15", "window": { "start": { "local": "1904-11-15T12:09:51+08:00", "utc": "1904-11-15T04:09:51Z", "ms": -2055268208595.7104 }, "end": { "local": "1904-11-15T12:57:51+08:00", "utc": "1904-11-15T04:57:51Z", "ms": -2055265328595.7104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:31 on Mon 14 Nov to 21:47 on Tue 15 Nov.", "fact": "1904-11-14T11:30:40Z → 1904-11-15T13:47:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 14th, 12:10–12:58 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23578 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1904: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1904 falls on Tuesday 15 November. Aṣṭamī runs from 19:31 on Mon 14 Nov to 21:47 on Tue 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25293, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 }, "end": { "local": "1904-11-17T00:25:23+08:00", "utc": "1904-11-16T16:25:23Z", "ms": -2055137677476.977 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 }, "end": { "local": "1904-11-17T00:25:23+08:00", "utc": "1904-11-16T16:25:23Z", "ms": -2055137677476.977 } }, "kaala": "purvahna", "days": [ { "local_date": "1904-11-16", "window": { "start": { "local": "1904-11-16T07:25:56+08:00", "utc": "1904-11-15T23:25:56Z", "ms": -2055198844485.2275 }, "end": { "local": "1904-11-16T10:51:20+08:00", "utc": "1904-11-16T02:51:20Z", "ms": -2055186520232.6008 } }, "covered_min": 205, "window_min": 205, "qualifies": true }, { "local_date": "1904-11-17", "window": { "start": { "local": "1904-11-17T07:26:56+08:00", "utc": "1904-11-16T23:26:56Z", "ms": -2055112384382.3535 }, "end": { "local": "1904-11-17T10:51:47+08:00", "utc": "1904-11-17T02:51:47Z", "ms": -2055100092653.0496 } }, "covered_min": 0, "window_min": 205, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:47 on Tue 15 Nov to 00:25 on Thu 17 Nov.", "fact": "1904-11-15T13:47:24Z → 1904-11-16T16:25:23Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:26–10:51 on the 16th, 07:27–10:52 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 205 of 205 minutes on the 16th and 0 of 205 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25293 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1904: Wednesday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-16", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1904 falls on Wednesday 16 November. Navamī runs from 21:47 on Tue 15 Nov to 00:25 on Thu 17 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31773, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 }, "end": { "local": "1904-11-17T00:25:23+08:00", "utc": "1904-11-16T16:25:23Z", "ms": -2055137677476.977 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-15T21:47:24+08:00", "utc": "1904-11-15T13:47:24Z", "ms": -2055233556009.0205 }, "end": { "local": "1904-11-17T00:25:23+08:00", "utc": "1904-11-16T16:25:23Z", "ms": -2055137677476.977 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-15", "window": { "start": { "local": "1904-11-15T12:09:51+08:00", "utc": "1904-11-15T04:09:51Z", "ms": -2055268208595.7104 }, "end": { "local": "1904-11-15T12:57:51+08:00", "utc": "1904-11-15T04:57:51Z", "ms": -2055265328595.7104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-16", "window": { "start": { "local": "1904-11-16T12:10:02+08:00", "utc": "1904-11-16T04:10:02Z", "ms": -2055181798106.2876 }, "end": { "local": "1904-11-16T12:58:02+08:00", "utc": "1904-11-16T04:58:02Z", "ms": -2055178918106.2876 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:47 on Tue 15 Nov to 00:25 on Thu 17 Nov.", "fact": "1904-11-15T13:47:24Z → 1904-11-16T16:25:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 15th, 12:10–12:58 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31773 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1904: Wednesday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-16", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1904 falls on Wednesday 16 November. Navamī runs from 21:47 on Tue 15 Nov to 00:25 on Thu 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-11-18", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6444, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-11-18T03:08:32+08:00", "utc": "1904-11-17T19:08:32Z", "ms": -2055041488196.7253 }, "end": { "local": "1904-11-19T05:41:32+08:00", "utc": "1904-11-18T21:41:32Z", "ms": -2054945908376.3884 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-18T03:08:32+08:00", "utc": "1904-11-17T19:08:32Z", "ms": -2055041488196.7253 }, "end": { "local": "1904-11-19T05:41:32+08:00", "utc": "1904-11-18T21:41:32Z", "ms": -2054945908376.3884 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-11-18", "window": { "start": { "local": "1904-11-18T07:27:56+08:00", "utc": "1904-11-17T23:27:56Z", "ms": -2055025924379.675 }, "end": { "local": "1904-11-18T07:27:56+08:00", "utc": "1904-11-17T23:27:56Z", "ms": -2055025924379.675 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-11-19", "window": { "start": { "local": "1904-11-19T07:28:55+08:00", "utc": "1904-11-18T23:28:55Z", "ms": -2054939464510.1416 }, "end": { "local": "1904-11-19T07:28:55+08:00", "utc": "1904-11-18T23:28:55Z", "ms": -2054939464510.1416 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:09 on Fri 18 Nov to 05:42 on Sat 19 Nov.", "fact": "1904-11-17T19:08:32Z → 1904-11-18T21:41:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:28 on the 18th and 07:29 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6444 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1904: Friday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-18", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1904 falls on Friday 18 November. Ekādaśī runs from 03:09 on Fri 18 Nov to 05:42 on Sat 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/pradosha-vrata?on=1904-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29216, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-11-20T07:52:06+08:00", "utc": "1904-11-19T23:52:06Z", "ms": -2054851673753.9294 }, "end": { "local": "1904-11-21T09:32:22+08:00", "utc": "1904-11-21T01:32:22Z", "ms": -2054759257780.1882 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-20T07:52:06+08:00", "utc": "1904-11-19T23:52:06Z", "ms": -2054851673753.9294 }, "end": { "local": "1904-11-21T09:32:22+08:00", "utc": "1904-11-21T01:32:22Z", "ms": -2054759257780.1882 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-11-20", "window": { "start": { "local": "1904-11-20T17:39:49+08:00", "utc": "1904-11-20T09:39:49Z", "ms": -2054816410996.4314 }, "end": { "local": "1904-11-20T19:30:38+08:00", "utc": "1904-11-20T11:30:38Z", "ms": -2054809762237.915 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1904-11-21", "window": { "start": { "local": "1904-11-21T17:39:19+08:00", "utc": "1904-11-21T09:39:19Z", "ms": -2054730041315.8406 }, "end": { "local": "1904-11-21T19:30:19+08:00", "utc": "1904-11-21T11:30:19Z", "ms": -2054723380613.0037 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:52 on Sun 20 Nov to 09:32 on Mon 21 Nov.", "fact": "1904-11-19T23:52:06Z → 1904-11-21T01:32:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:31 on the 20th, 17:39–19:30 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 111 of 111 minutes on the 20th and 0 of 111 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29216 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Sunday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Sunday 20 November. Trayodaśī runs from 07:52 on Sun 20 Nov to 09:32 on Mon 21 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3573, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-11-22T10:38:55+08:00", "utc": "1904-11-22T02:38:55Z", "ms": -2054668864713.3591 }, "end": { "local": "1904-11-23T11:12:05+08:00", "utc": "1904-11-23T03:12:05Z", "ms": -2054580474929.7832 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-22T10:38:55+08:00", "utc": "1904-11-22T02:38:55Z", "ms": -2054668864713.3591 }, "end": { "local": "1904-11-23T11:12:05+08:00", "utc": "1904-11-23T03:12:05Z", "ms": -2054580474929.7832 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-11-22", "window": { "start": { "local": "1904-11-22T12:11:22+08:00", "utc": "1904-11-22T04:11:22Z", "ms": -2054663317916.5796 }, "end": { "local": "1904-11-22T12:59:22+08:00", "utc": "1904-11-22T04:59:22Z", "ms": -2054660437916.5796 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-11-23", "window": { "start": { "local": "1904-11-23T12:11:38+08:00", "utc": "1904-11-23T04:11:38Z", "ms": -2054576901723.5134 }, "end": { "local": "1904-11-23T12:59:38+08:00", "utc": "1904-11-23T04:59:38Z", "ms": -2054574021723.5134 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:39 on Tue 22 Nov to 11:12 on Wed 23 Nov.", "fact": "1904-11-22T02:38:55Z → 1904-11-23T03:12:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:12–13:00 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3573 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1904: Tuesday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1904 falls on Tuesday 22 November. Pūrṇimā runs from 10:39 on Tue 22 Nov to 11:12 on Wed 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34759, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-11-22T10:38:55+08:00", "utc": "1904-11-22T02:38:55Z", "ms": -2054668864713.3591 }, "end": { "local": "1904-11-23T11:12:05+08:00", "utc": "1904-11-23T03:12:05Z", "ms": -2054580474929.7832 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1904-11-22T10:38:55+08:00", "utc": "1904-11-22T02:38:55Z", "ms": -2054668864713.3591 }, "end": { "local": "1904-11-23T11:12:05+08:00", "utc": "1904-11-23T03:12:05Z", "ms": -2054580474929.7832 } }, "kaala": "nishita", "days": [ { "local_date": "1904-11-21", "window": { "start": { "local": "1904-11-22T00:11:36+08:00", "utc": "1904-11-21T16:11:36Z", "ms": -2054706503680.2021 }, "end": { "local": "1904-11-22T00:59:36+08:00", "utc": "1904-11-21T16:59:36Z", "ms": -2054703623680.2021 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-11-22", "window": { "start": { "local": "1904-11-23T00:11:52+08:00", "utc": "1904-11-22T16:11:52Z", "ms": -2054620088421.7158 }, "end": { "local": "1904-11-23T00:59:52+08:00", "utc": "1904-11-22T16:59:52Z", "ms": -2054617208421.7158 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:39 on Tue 22 Nov to 11:12 on Wed 23 Nov.", "fact": "1904-11-22T02:38:55Z → 1904-11-23T03:12:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 21st, 00:12–01:00 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34759 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1904: Tuesday 22 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": "1904-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-22", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1904 falls on Tuesday 22 November. Pūrṇimā runs from 10:39 on Tue 22 Nov to 11:12 on Wed 23 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-11-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38144, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-11-26T10:05:48+08:00", "utc": "1904-11-26T02:05:48Z", "ms": -2054325252379.5166 }, "end": { "local": "1904-11-27T09:02:45+08:00", "utc": "1904-11-27T01:02:45Z", "ms": -2054242635134.6033 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-11-26T10:05:48+08:00", "utc": "1904-11-26T02:05:48Z", "ms": -2054325252379.5166 }, "end": { "local": "1904-11-27T09:02:45+08:00", "utc": "1904-11-27T01:02:45Z", "ms": -2054242635134.6033 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-11-26", "window": { "start": { "local": "1904-11-26T20:41:32+08:00", "utc": "1904-11-26T12:41:32Z", "ms": -2054287108333.4019 }, "end": { "local": "1904-11-26T20:41:32+08:00", "utc": "1904-11-26T12:41:32Z", "ms": -2054287108333.4019 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-11-27", "window": { "start": { "local": "1904-11-27T21:41:30+08:00", "utc": "1904-11-27T13:41:30Z", "ms": -2054197110134.405 }, "end": { "local": "1904-11-27T21:41:30+08:00", "utc": "1904-11-27T13:41:30Z", "ms": -2054197110134.405 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:06 on Sat 26 Nov to 09:03 on Sun 27 Nov.", "fact": "1904-11-26T02:05:48Z → 1904-11-27T01:02:45Z" }, { "step": "kaala", "text": "Moonrise is at 20:42 on the 26th and 21:41 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38144 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Saturday 26 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": "1904-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-11-26", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Saturday 26 November. Caturthī runs from 10:06 on Sat 26 Nov to 09:03 on Sun 27 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/ekadashi?on=1904-12-03", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33381, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-12-02T22:25:59+08:00", "utc": "1904-12-02T14:25:59Z", "ms": -2053762441407.1772 }, "end": { "local": "1904-12-03T20:08:31+08:00", "utc": "1904-12-03T12:08:31Z", "ms": -2053684289238.5168 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-02T22:25:59+08:00", "utc": "1904-12-02T14:25:59Z", "ms": -2053762441407.1772 }, "end": { "local": "1904-12-03T20:08:31+08:00", "utc": "1904-12-03T12:08:31Z", "ms": -2053684289238.5168 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-12-03", "window": { "start": { "local": "1904-12-03T07:42:19+08:00", "utc": "1904-12-02T23:42:19Z", "ms": -2053729060829.0996 }, "end": { "local": "1904-12-03T07:42:19+08:00", "utc": "1904-12-02T23:42:19Z", "ms": -2053729060829.0996 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-12-04", "window": { "start": { "local": "1904-12-04T07:43:12+08:00", "utc": "1904-12-03T23:43:12Z", "ms": -2053642607538.8374 }, "end": { "local": "1904-12-04T07:43:12+08:00", "utc": "1904-12-03T23:43:12Z", "ms": -2053642607538.8374 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:26 on Fri 2 Dec to 20:09 on Sat 3 Dec.", "fact": "1904-12-02T14:25:59Z → 1904-12-03T12:08:31Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 3rd and 07:43 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33381 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1904: Saturday 3 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": "1904-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-03", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1904 falls on Saturday 3 December. Ekādaśī runs from 22:26 on Fri 2 Dec to 20:09 on Sat 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-12-03", "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/1904/pradosha-vrata?on=1904-12-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 823, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-12-04T17:49:23+08:00", "utc": "1904-12-04T09:49:23Z", "ms": -2053606237439.496 }, "end": { "local": "1904-12-05T15:34:23+08:00", "utc": "1904-12-05T07:34:23Z", "ms": -2053527937228.8806 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-04T17:49:23+08:00", "utc": "1904-12-04T09:49:23Z", "ms": -2053606237439.496 }, "end": { "local": "1904-12-05T15:34:23+08:00", "utc": "1904-12-05T07:34:23Z", "ms": -2053527937228.8806 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-12-04", "window": { "start": { "local": "1904-12-04T17:35:40+08:00", "utc": "1904-12-04T09:35:40Z", "ms": -2053607060467.376 }, "end": { "local": "1904-12-04T19:28:47+08:00", "utc": "1904-12-04T11:28:47Z", "ms": -2053600273078.451 } }, "covered_min": 99, "window_min": 113, "qualifies": true }, { "local_date": "1904-12-05", "window": { "start": { "local": "1904-12-05T17:35:37+08:00", "utc": "1904-12-05T09:35:37Z", "ms": -2053520663401.4783 }, "end": { "local": "1904-12-05T19:28:51+08:00", "utc": "1904-12-05T11:28:51Z", "ms": -2053513868736.9604 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:49 on Sun 4 Dec to 15:34 on Mon 5 Dec.", "fact": "1904-12-04T09:49:23Z → 1904-12-05T07:34:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 4th, 17:36–19:29 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 113 minutes on the 4th and 0 of 113 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 823 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1904: Sunday 4 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": "1904-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1904 falls on Sunday 4 December. Trayodaśī runs from 17:49 on Sun 4 Dec to 15:34 on Mon 5 Dec and covers 99 of 113 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/shivaratri?on=1904-12-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31314, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1904-12-05T15:34:23+08:00", "utc": "1904-12-05T07:34:23Z", "ms": -2053527937228.8806 }, "end": { "local": "1904-12-06T13:30:41+08:00", "utc": "1904-12-06T05:30:41Z", "ms": -2053448959115.1304 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-05T15:34:23+08:00", "utc": "1904-12-05T07:34:23Z", "ms": -2053527937228.8806 }, "end": { "local": "1904-12-06T13:30:41+08:00", "utc": "1904-12-06T05:30:41Z", "ms": -2053448959115.1304 } }, "kaala": "nishita", "days": [ { "local_date": "1904-12-05", "window": { "start": { "local": "1904-12-06T00:16:17+08:00", "utc": "1904-12-05T16:16:17Z", "ms": -2053496623409.5366 }, "end": { "local": "1904-12-06T01:04:17+08:00", "utc": "1904-12-05T17:04:17Z", "ms": -2053493743409.5366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-06", "window": { "start": { "local": "1904-12-07T00:16:41+08:00", "utc": "1904-12-06T16:16:41Z", "ms": -2053410198512.1304 }, "end": { "local": "1904-12-07T01:04:41+08:00", "utc": "1904-12-06T17:04:41Z", "ms": -2053407318512.1304 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:34 on Mon 5 Dec to 13:31 on Tue 6 Dec.", "fact": "1904-12-05T07:34:23Z → 1904-12-06T05:30:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 5th, 00:17–01:05 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31314 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1904: Monday 5 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": "1904-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1904 falls on Monday 5 December. Caturdaśī runs from 15:34 on Mon 5 Dec to 13:31 on Tue 6 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1904/shivaratri?on=1904-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-12-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6189, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-12-10T09:49:37+08:00", "utc": "1904-12-10T01:49:37Z", "ms": -2053116622529.8884 }, "end": { "local": "1904-12-11T10:35:21+08:00", "utc": "1904-12-11T02:35:21Z", "ms": -2053027478707.9531 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-10T09:49:37+08:00", "utc": "1904-12-10T01:49:37Z", "ms": -2053116622529.8884 }, "end": { "local": "1904-12-11T10:35:21+08:00", "utc": "1904-12-11T02:35:21Z", "ms": -2053027478707.9531 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-10", "window": { "start": { "local": "1904-12-10T12:18:03+08:00", "utc": "1904-12-10T04:18:03Z", "ms": -2053107717340.0405 }, "end": { "local": "1904-12-10T13:06:03+08:00", "utc": "1904-12-10T05:06:03Z", "ms": -2053104837340.0405 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-11", "window": { "start": { "local": "1904-12-11T12:18:30+08:00", "utc": "1904-12-11T04:18:30Z", "ms": -2053021289588.104 }, "end": { "local": "1904-12-11T13:06:30+08:00", "utc": "1904-12-11T05:06:30Z", "ms": -2053018409588.104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:50 on Sat 10 Dec to 10:35 on Sun 11 Dec.", "fact": "1904-12-10T01:49:37Z → 1904-12-11T02:35:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 10th, 12:19–13:07 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6189 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1904: Saturday 10 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-10", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1904 falls on Saturday 10 December. Caturthī runs from 09:50 on Sat 10 Dec to 10:35 on Sun 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/vinayaka-chaturthi?on=1904-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 841, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1904-12-11T10:35:21+08:00", "utc": "1904-12-11T02:35:21Z", "ms": -2053027478707.9531 }, "end": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-11T10:35:21+08:00", "utc": "1904-12-11T02:35:21Z", "ms": -2053027478707.9531 }, "end": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-11", "window": { "start": { "local": "1904-12-11T12:18:30+08:00", "utc": "1904-12-11T04:18:30Z", "ms": -2053021289588.104 }, "end": { "local": "1904-12-11T13:06:30+08:00", "utc": "1904-12-11T05:06:30Z", "ms": -2053018409588.104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-12", "window": { "start": { "local": "1904-12-12T12:18:59+08:00", "utc": "1904-12-12T04:18:59Z", "ms": -2052934861454.2397 }, "end": { "local": "1904-12-12T13:06:59+08:00", "utc": "1904-12-12T05:06:59Z", "ms": -2052931981454.2397 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:35 on Sun 11 Dec to 12:05 on Mon 12 Dec.", "fact": "1904-12-11T02:35:21Z → 1904-12-12T04:04:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 11th, 12:19–13:07 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 841 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1904: Sunday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-12", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1904 falls on Sunday 11 December. Pañcamī runs from 10:35 on Sun 11 Dec to 12:05 on Mon 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 841, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 }, "end": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 }, "end": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-12", "window": { "start": { "local": "1904-12-12T12:18:59+08:00", "utc": "1904-12-12T04:18:59Z", "ms": -2052934861454.2397 }, "end": { "local": "1904-12-12T13:06:59+08:00", "utc": "1904-12-12T05:06:59Z", "ms": -2052931981454.2397 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-13", "window": { "start": { "local": "1904-12-13T12:19:27+08:00", "utc": "1904-12-13T04:19:27Z", "ms": -2052848432971.0461 }, "end": { "local": "1904-12-13T13:07:27+08:00", "utc": "1904-12-13T05:07:27Z", "ms": -2052845552971.0461 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:05 on Mon 12 Dec to 14:12 on Tue 13 Dec.", "fact": "1904-12-12T04:04:57Z → 1904-12-13T06:12:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 12th, 12:19–13:07 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 48 of 48 on the 13th.", "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 841 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1904: Monday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-12", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1904 falls on Monday 12 December. Ṣaṣṭhī runs from 12:05 on Mon 12 Dec to 14:12 on Tue 13 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 841, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 }, "end": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-12T12:04:57+08:00", "utc": "1904-12-12T04:04:57Z", "ms": -2052935702813.279 }, "end": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-12", "window": { "start": { "local": "1904-12-12T12:18:59+08:00", "utc": "1904-12-12T04:18:59Z", "ms": -2052934861454.2397 }, "end": { "local": "1904-12-12T13:06:59+08:00", "utc": "1904-12-12T05:06:59Z", "ms": -2052931981454.2397 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-13", "window": { "start": { "local": "1904-12-13T12:19:27+08:00", "utc": "1904-12-13T04:19:27Z", "ms": -2052848432971.0461 }, "end": { "local": "1904-12-13T13:07:27+08:00", "utc": "1904-12-13T05:07:27Z", "ms": -2052845552971.0461 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:05 on Mon 12 Dec to 14:12 on Tue 13 Dec.", "fact": "1904-12-12T04:04:57Z → 1904-12-13T06:12:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 12th, 12:19–13:07 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 841 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1904: Tuesday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-13", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1904 falls on Tuesday 13 December. Ṣaṣṭhī runs from 12:05 on Mon 12 Dec to 14:12 on Tue 13 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3880, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 }, "end": { "local": "1904-12-14T16:45:15+08:00", "utc": "1904-12-14T08:45:15Z", "ms": -2052746084761.6057 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-13T14:12:07+08:00", "utc": "1904-12-13T06:12:07Z", "ms": -2052841673342.6865 }, "end": { "local": "1904-12-14T16:45:15+08:00", "utc": "1904-12-14T08:45:15Z", "ms": -2052746084761.6057 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-13", "window": { "start": { "local": "1904-12-13T12:19:27+08:00", "utc": "1904-12-13T04:19:27Z", "ms": -2052848432971.0461 }, "end": { "local": "1904-12-13T13:07:27+08:00", "utc": "1904-12-13T05:07:27Z", "ms": -2052845552971.0461 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1904-12-14", "window": { "start": { "local": "1904-12-14T12:19:56+08:00", "utc": "1904-12-14T04:19:56Z", "ms": -2052762004171.1357 }, "end": { "local": "1904-12-14T13:07:56+08:00", "utc": "1904-12-14T05:07:56Z", "ms": -2052759124171.1357 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:12 on Tue 13 Dec to 16:45 on Wed 14 Dec.", "fact": "1904-12-13T06:12:07Z → 1904-12-14T08:45:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 13th, 12:20–13:08 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3880 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1904: Wednesday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-14", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1904 falls on Wednesday 14 December. Saptamī runs from 14:12 on Tue 13 Dec to 16:45 on Wed 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/ekadashi?on=1904-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21218, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1904-12-18T00:20:15+08:00", "utc": "1904-12-17T16:20:15Z", "ms": -2052459584544.6177 }, "end": { "local": "1904-12-19T02:00:48+08:00", "utc": "1904-12-18T18:00:48Z", "ms": -2052367152212.3992 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-18T00:20:15+08:00", "utc": "1904-12-17T16:20:15Z", "ms": -2052459584544.6177 }, "end": { "local": "1904-12-19T02:00:48+08:00", "utc": "1904-12-18T18:00:48Z", "ms": -2052367152212.3992 } }, "kaala": "sunrise", "days": [ { "local_date": "1904-12-18", "window": { "start": { "local": "1904-12-18T07:53:50+08:00", "utc": "1904-12-17T23:53:50Z", "ms": -2052432369925.1123 }, "end": { "local": "1904-12-18T07:53:50+08:00", "utc": "1904-12-17T23:53:50Z", "ms": -2052432369925.1123 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1904-12-19", "window": { "start": { "local": "1904-12-19T07:54:26+08:00", "utc": "1904-12-18T23:54:26Z", "ms": -2052345934127.5938 }, "end": { "local": "1904-12-19T07:54:26+08:00", "utc": "1904-12-18T23:54:26Z", "ms": -2052345934127.5938 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:20 on Sun 18 Dec to 02:01 on Mon 19 Dec.", "fact": "1904-12-17T16:20:15Z → 1904-12-18T18:00:48Z" }, { "step": "kaala", "text": "Sunrise is at 07:54 on the 18th and 07:54 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21218 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1904: Sunday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-18", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1904 falls on Sunday 18 December. Ekādaśī runs from 00:20 on Sun 18 Dec to 02:01 on Mon 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1904/ekadashi?on=1904-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1904/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33730, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1904-12-19T02:00:48+08:00", "utc": "1904-12-18T18:00:48Z", "ms": -2052367152212.3992 }, "end": { "local": "1904-12-20T03:00:43+08:00", "utc": "1904-12-19T19:00:43Z", "ms": -2052277156786.4204 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-19T02:00:48+08:00", "utc": "1904-12-18T18:00:48Z", "ms": -2052367152212.3992 }, "end": { "local": "1904-12-20T03:00:43+08:00", "utc": "1904-12-19T19:00:43Z", "ms": -2052277156786.4204 } }, "kaala": "madhyahna", "days": [ { "local_date": "1904-12-19", "window": { "start": { "local": "1904-12-19T12:22:23+08:00", "utc": "1904-12-19T04:22:23Z", "ms": -2052329856560.0378 }, "end": { "local": "1904-12-19T13:10:23+08:00", "utc": "1904-12-19T05:10:23Z", "ms": -2052326976560.0378 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1904-12-20", "window": { "start": { "local": "1904-12-20T12:22:53+08:00", "utc": "1904-12-20T04:22:53Z", "ms": -2052243426541.6921 }, "end": { "local": "1904-12-20T13:10:53+08:00", "utc": "1904-12-20T05:10:53Z", "ms": -2052240546541.6921 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:01 on Mon 19 Dec to 03:01 on Tue 20 Dec.", "fact": "1904-12-18T18:00:48Z → 1904-12-19T19:00:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 19th, 12:23–13:11 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33730 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1904: Monday 19 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": "1904-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-19", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1904 falls on Monday 19 December. Dvādaśī runs from 02:01 on Mon 19 Dec to 03:01 on Tue 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/pradosha-vrata?on=1904-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26889, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1904-12-20T03:00:43+08:00", "utc": "1904-12-19T19:00:43Z", "ms": -2052277156786.4204 }, "end": { "local": "1904-12-21T03:18:31+08:00", "utc": "1904-12-20T19:18:31Z", "ms": -2052189689141.7903 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-20T03:00:43+08:00", "utc": "1904-12-19T19:00:43Z", "ms": -2052277156786.4204 }, "end": { "local": "1904-12-21T03:18:31+08:00", "utc": "1904-12-20T19:18:31Z", "ms": -2052189689141.7903 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-12-19", "window": { "start": { "local": "1904-12-19T17:38:21+08:00", "utc": "1904-12-19T09:38:21Z", "ms": -2052310898992.482 }, "end": { "local": "1904-12-19T19:32:34+08:00", "utc": "1904-12-19T11:32:34Z", "ms": -2052304045775.2114 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1904-12-20", "window": { "start": { "local": "1904-12-20T17:38:47+08:00", "utc": "1904-12-20T09:38:47Z", "ms": -2052224473220.4304 }, "end": { "local": "1904-12-20T19:33:01+08:00", "utc": "1904-12-20T11:33:01Z", "ms": -2052217619079.9788 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:01 on Tue 20 Dec to 03:19 on Wed 21 Dec.", "fact": "1904-12-19T19:00:43Z → 1904-12-20T19:18:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:33 on the 19th, 17:39–19:33 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 19th and 114 of 114 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26889 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1904: Tuesday 20 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": "1904-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-20", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1904 falls on Tuesday 20 December. Trayodaśī runs from 03:01 on Tue 20 Dec to 03:19 on Wed 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/pradosha-vrata?on=1904-12-20", "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/1904/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23216, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1904-12-22T02:56:47+08:00", "utc": "1904-12-21T18:56:47Z", "ms": -2052104593313.703 }, "end": { "local": "1904-12-23T02:00:54+08:00", "utc": "1904-12-22T18:00:54Z", "ms": -2052021545544.711 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-22T02:56:47+08:00", "utc": "1904-12-21T18:56:47Z", "ms": -2052104593313.703 }, "end": { "local": "1904-12-23T02:00:54+08:00", "utc": "1904-12-22T18:00:54Z", "ms": -2052021545544.711 } }, "kaala": "pradosha", "days": [ { "local_date": "1904-12-21", "window": { "start": { "local": "1904-12-21T17:39:14+08:00", "utc": "1904-12-21T09:39:14Z", "ms": -2052138045697.0999 }, "end": { "local": "1904-12-21T19:33:29+08:00", "utc": "1904-12-21T11:33:29Z", "ms": -2052131191080.6274 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1904-12-22", "window": { "start": { "local": "1904-12-22T17:39:44+08:00", "utc": "1904-12-22T09:39:44Z", "ms": -2052051616450.5625 }, "end": { "local": "1904-12-22T19:33:58+08:00", "utc": "1904-12-22T11:33:58Z", "ms": -2052044761805.7034 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:57 on Thu 22 Dec to 02:01 on Fri 23 Dec.", "fact": "1904-12-21T18:56:47Z → 1904-12-22T18:00:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:33 on the 21st, 17:40–19:34 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 114 minutes on the 21st and 114 of 114 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23216 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1904: Thursday 22 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": "1904-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-22", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1904 falls on Thursday 22 December. Pūrṇimā runs from 02:57 on Thu 22 Dec to 02:01 on Fri 23 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1904/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/1904/sankashta-chaturthi?on=1904-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1904, "local_date": "1904-12-25", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1417, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1904-12-25T20:58:46+08:00", "utc": "1904-12-25T12:58:46Z", "ms": -2051780474053.3267 }, "end": { "local": "1904-12-26T18:55:44+08:00", "utc": "1904-12-26T10:55:44Z", "ms": -2051701456366.1243 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1904-12-25T20:58:46+08:00", "utc": "1904-12-25T12:58:46Z", "ms": -2051780474053.3267 }, "end": { "local": "1904-12-26T18:55:44+08:00", "utc": "1904-12-26T10:55:44Z", "ms": -2051701456366.1243 } }, "kaala": "moonrise", "days": [ { "local_date": "1904-12-25", "window": { "start": { "local": "1904-12-25T20:35:09+08:00", "utc": "1904-12-25T12:35:09Z", "ms": -2051781891111.8499 }, "end": { "local": "1904-12-25T20:35:09+08:00", "utc": "1904-12-25T12:35:09Z", "ms": -2051781891111.8499 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1904-12-26", "window": { "start": { "local": "1904-12-26T21:40:37+08:00", "utc": "1904-12-26T13:40:37Z", "ms": -2051691562824.3381 }, "end": { "local": "1904-12-26T21:40:37+08:00", "utc": "1904-12-26T13:40:37Z", "ms": -2051691562824.3381 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:59 on Sun 25 Dec to 18:56 on Mon 26 Dec.", "fact": "1904-12-25T12:58:46Z → 1904-12-26T10:55:44Z" }, { "step": "kaala", "text": "Moonrise is at 20:35 on the 25th and 21:41 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1417 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1904: Sunday 25 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1904-12-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1904-12-25", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1904 falls on Sunday 25 December. Caturthī runs from 20:59 on Sun 25 Dec to 18:56 on Mon 26 Dec, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1904/sankashta-chaturthi?on=1904-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }