{ "id": "/zunyi/festivals/2009", "place": { "id": "1783621", "slug": "zunyi", "name": "Zunyi", "region": "Guizhou, China", "country": "CN", "lat": 27.68667, "lon": 106.90722, "elevation_m": 867, "tz": "Asia/Shanghai" }, "year": 2009, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/zunyi/festivals/2009/ekadashi?on=2009-01-07", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12968, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-01-07T04:08:24+08:00", "utc": "2009-01-06T20:08:24Z", "ms": 1231272503585.9783 }, "end": { "local": "2009-01-08T01:28:18+08:00", "utc": "2009-01-07T17:28:18Z", "ms": 1231349298308.532 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-01-07T04:08:24+08:00", "utc": "2009-01-06T20:08:24Z", "ms": 1231272503585.9783 }, "end": { "local": "2009-01-08T01:28:18+08:00", "utc": "2009-01-07T17:28:18Z", "ms": 1231349298308.532 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-01-07", "window": { "start": { "local": "2009-01-07T07:44:32+08:00", "utc": "2009-01-06T23:44:32Z", "ms": 1231285471904.5403 }, "end": { "local": "2009-01-07T07:44:32+08:00", "utc": "2009-01-06T23:44:32Z", "ms": 1231285471904.5403 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-01-08", "window": { "start": { "local": "2009-01-08T07:44:38+08:00", "utc": "2009-01-07T23:44:38Z", "ms": 1231371878174.0415 }, "end": { "local": "2009-01-08T07:44:38+08:00", "utc": "2009-01-07T23:44:38Z", "ms": 1231371878174.0415 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:08 on Wed 7 Jan to 01:28 on Thu 8 Jan.", "fact": "2009-01-06T20:08:24Z → 2009-01-07T17:28:18Z" }, { "step": "kaala", "text": "Sunrise is at 07:45 on the 7th and 07:45 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12968 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2009: Wednesday 7 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": "2009-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-07", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2009 falls on Wednesday 7 January. Ekādaśī runs from 04:08 on Wed 7 Jan to 01:28 on Thu 8 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-01-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2064, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-01-08T22:18:47+08:00", "utc": "2009-01-08T14:18:47Z", "ms": 1231424327372.3203 }, "end": { "local": "2009-01-09T18:48:45+08:00", "utc": "2009-01-09T10:48:45Z", "ms": 1231498124716.9172 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-01-08T22:18:47+08:00", "utc": "2009-01-08T14:18:47Z", "ms": 1231424327372.3203 }, "end": { "local": "2009-01-09T18:48:45+08:00", "utc": "2009-01-09T10:48:45Z", "ms": 1231498124716.9172 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-01-08", "window": { "start": { "local": "2009-01-08T18:13:35+08:00", "utc": "2009-01-08T10:13:35Z", "ms": 1231409614561.8618 }, "end": { "local": "2009-01-08T20:01:44+08:00", "utc": "2009-01-08T12:01:44Z", "ms": 1231416103670.887 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2009-01-09", "window": { "start": { "local": "2009-01-09T18:14:20+08:00", "utc": "2009-01-09T10:14:20Z", "ms": 1231496060291.3665 }, "end": { "local": "2009-01-09T20:02:24+08:00", "utc": "2009-01-09T12:02:24Z", "ms": 1231502543721.4417 } }, "covered_min": 34, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:19 on Thu 8 Jan to 18:49 on Fri 9 Jan.", "fact": "2009-01-08T14:18:47Z → 2009-01-09T10:48:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–20:02 on the 8th, 18:14–20:02 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 8th and 34 of 108 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 2064 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Friday 9 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": "2009-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-09", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Friday 9 January. Trayodaśī runs from 22:19 on Thu 8 Jan to 18:49 on Fri 9 Jan and covers 34 of 108 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33678, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-02-12T21:53:57+08:00", "utc": "2009-02-12T13:53:57Z", "ms": 1234446836733.6345 } }, "span": { "of": "transit", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 } }, "kaala": "sunset-day", "days": [ { "local_date": "2009-01-14", "window": { "start": { "local": "2009-01-13T18:17:27+08:00", "utc": "2009-01-13T10:17:27Z", "ms": 1231841847379.2908 }, "end": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2009-01-15", "window": { "start": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 }, "end": { "local": "2009-01-15T18:19:03+08:00", "utc": "2009-01-15T10:19:03Z", "ms": 1232014742952.1426 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2009-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:57 on Wed 14 Jan.", "fact": "2009-01-14T00:56:57Z · 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 18:18, and the day of the 15th ends at 18:19.", "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 33678 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Zunyi, 2009: Tuesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2009-01-13", "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": "2009-01-13", "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 Zunyi, Bhogi 2009 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 08:57 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33678, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-02-12T21:53:57+08:00", "utc": "2009-02-12T13:53:57Z", "ms": 1234446836733.6345 } }, "span": { "of": "transit", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 } }, "kaala": "sunset-day", "days": [ { "local_date": "2009-01-14", "window": { "start": { "local": "2009-01-13T18:17:27+08:00", "utc": "2009-01-13T10:17:27Z", "ms": 1231841847379.2908 }, "end": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2009-01-15", "window": { "start": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 }, "end": { "local": "2009-01-15T18:19:03+08:00", "utc": "2009-01-15T10:19:03Z", "ms": 1232014742952.1426 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:57 on Wed 14 Jan.", "fact": "2009-01-14T00:56:57Z · 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 18:18, and the day of the 15th ends at 18:19.", "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 33678 s" }, { "step": "ruling", "text": "Pongal, Zunyi, 2009: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2009-01-14", "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": "2009-01-14", "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 Zunyi, Pongal 2009 falls on Wednesday 14 January. The Sun enters Makara at 08:57 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32217, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-02-12T21:53:57+08:00", "utc": "2009-02-12T13:53:57Z", "ms": 1234446836733.6345 } }, "span": { "of": "transit", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 } }, "kaala": "civil-day", "days": [ { "local_date": "2009-01-13", "window": { "start": { "local": "2009-01-13T00:00:00+08:00", "utc": "2009-01-12T16:00:00Z", "ms": 1231776000000 }, "end": { "local": "2009-01-14T00:00:00+08:00", "utc": "2009-01-13T16:00:00Z", "ms": 1231862400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2009-01-14", "window": { "start": { "local": "2009-01-14T00:00:00+08:00", "utc": "2009-01-13T16:00:00Z", "ms": 1231862400000 }, "end": { "local": "2009-01-15T00:00:00+08:00", "utc": "2009-01-14T16:00:00Z", "ms": 1231948800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:57 on Wed 14 Jan.", "fact": "2009-01-14T00:56:57Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Zunyi.", "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 32217 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Zunyi, 2009: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2009-01-14", "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": "2009-01-14", "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 Zunyi, Makara Saṅkrānti 2009 falls on Wednesday 14 January. The Sun enters Makara at 08:57 on Wed 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-01-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7339, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-01-14T02:02:01+08:00", "utc": "2009-01-13T18:02:01Z", "ms": 1231869720895.519 }, "end": { "local": "2009-01-14T23:57:31+08:00", "utc": "2009-01-14T15:57:31Z", "ms": 1231948651119.663 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-14T02:02:01+08:00", "utc": "2009-01-13T18:02:01Z", "ms": 1231869720895.519 }, "end": { "local": "2009-01-14T23:57:31+08:00", "utc": "2009-01-14T15:57:31Z", "ms": 1231948651119.663 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-01-13", "window": { "start": { "local": "2009-01-13T20:51:19+08:00", "utc": "2009-01-13T12:51:19Z", "ms": 1231851079383.9219 }, "end": { "local": "2009-01-13T20:51:19+08:00", "utc": "2009-01-13T12:51:19Z", "ms": 1231851079383.9219 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-01-14", "window": { "start": { "local": "2009-01-14T21:55:12+08:00", "utc": "2009-01-14T13:55:12Z", "ms": 1231941311805.6748 }, "end": { "local": "2009-01-14T21:55:12+08:00", "utc": "2009-01-14T13:55:12Z", "ms": 1231941311805.6748 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:02 on Wed 14 Jan to 23:58 on Wed 14 Jan.", "fact": "2009-01-13T18:02:01Z → 2009-01-14T15:57:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:51 on the 13th and 21:55 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7339 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Wednesday 14 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": "2009-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-14", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Wednesday 14 January. Caturthī runs from 02:02 on Wed 14 Jan to 23:58 on Wed 14 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33678, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-02-12T21:53:57+08:00", "utc": "2009-02-12T13:53:57Z", "ms": 1234446836733.6345 } }, "span": { "of": "transit", "start": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 }, "end": { "local": "2009-01-14T08:56:57+08:00", "utc": "2009-01-14T00:56:57Z", "ms": 1231894616742.5503 } }, "kaala": "sunset-day", "days": [ { "local_date": "2009-01-14", "window": { "start": { "local": "2009-01-13T18:17:27+08:00", "utc": "2009-01-13T10:17:27Z", "ms": 1231841847379.2908 }, "end": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2009-01-15", "window": { "start": { "local": "2009-01-14T18:18:15+08:00", "utc": "2009-01-14T10:18:15Z", "ms": 1231928295024.6526 }, "end": { "local": "2009-01-15T18:19:03+08:00", "utc": "2009-01-15T10:19:03Z", "ms": 1232014742952.1426 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2009-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:57 on Wed 14 Jan.", "fact": "2009-01-14T00:56:57Z · 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 18:18, and the day of the 15th ends at 18:19.", "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 33678 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Zunyi, 2009: Thursday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2009-01-15", "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": "2009-01-15", "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 Zunyi, Mattu Pongal 2009 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 08:57 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-01-21", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6973, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-01-21T03:15:20+08:00", "utc": "2009-01-20T19:15:20Z", "ms": 1232478919712.4805 }, "end": { "local": "2009-01-22T05:47:09+08:00", "utc": "2009-01-21T21:47:09Z", "ms": 1232574428648.2876 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-21T03:15:20+08:00", "utc": "2009-01-20T19:15:20Z", "ms": 1232478919712.4805 }, "end": { "local": "2009-01-22T05:47:09+08:00", "utc": "2009-01-21T21:47:09Z", "ms": 1232574428648.2876 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-01-21", "window": { "start": { "local": "2009-01-21T07:43:37+08:00", "utc": "2009-01-20T23:43:37Z", "ms": 1232495017144.0625 }, "end": { "local": "2009-01-21T07:43:37+08:00", "utc": "2009-01-20T23:43:37Z", "ms": 1232495017144.0625 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-01-22", "window": { "start": { "local": "2009-01-22T07:43:22+08:00", "utc": "2009-01-21T23:43:22Z", "ms": 1232581401569.6594 }, "end": { "local": "2009-01-22T07:43:22+08:00", "utc": "2009-01-21T23:43:22Z", "ms": 1232581401569.6594 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:15 on Wed 21 Jan to 05:47 on Thu 22 Jan.", "fact": "2009-01-20T19:15:20Z → 2009-01-21T21:47:09Z" }, { "step": "kaala", "text": "Sunrise is at 07:44 on the 21st and 07:43 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 6973 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Zunyi, 2009: Wednesday 21 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": "2009-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-21", "confidence": "determinate" } ], "quote": "In Zunyi, Ṣaṭtilā Ekādaśī 2009 falls on Wednesday 21 January. Ekādaśī runs from 03:15 on Wed 21 Jan to 05:47 on Thu 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-01-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26294, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-01-23T08:28:01+08:00", "utc": "2009-01-23T00:28:01Z", "ms": 1232670481263.917 }, "end": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-23T08:28:01+08:00", "utc": "2009-01-23T00:28:01Z", "ms": 1232670481263.917 }, "end": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-01-23", "window": { "start": { "local": "2009-01-23T18:25:32+08:00", "utc": "2009-01-23T10:25:32Z", "ms": 1232706332277.552 }, "end": { "local": "2009-01-23T20:11:50+08:00", "utc": "2009-01-23T12:11:50Z", "ms": 1232712710087.38 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2009-01-24", "window": { "start": { "local": "2009-01-24T18:26:21+08:00", "utc": "2009-01-24T10:26:21Z", "ms": 1232792781150.5745 }, "end": { "local": "2009-01-24T20:12:30+08:00", "utc": "2009-01-24T12:12:30Z", "ms": 1232799149760.6401 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:28 on Fri 23 Jan to 11:08 on Sat 24 Jan.", "fact": "2009-01-23T00:28:01Z → 2009-01-24T03:08:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:12 on the 23rd, 18:26–20:12 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 23rd and 0 of 106 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26294 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Friday 23 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": "2009-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-23", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Friday 23 January. Trayodaśī runs from 08:28 on Fri 23 Jan to 11:08 on Sat 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-01-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34798, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 }, "end": { "local": "2009-01-25T13:39:18+08:00", "utc": "2009-01-25T05:39:18Z", "ms": 1232861957886.794 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 }, "end": { "local": "2009-01-25T13:39:18+08:00", "utc": "2009-01-25T05:39:18Z", "ms": 1232861957886.794 } }, "kaala": "nishita", "days": [ { "local_date": "2009-01-23", "window": { "start": { "local": "2009-01-24T00:40:09+08:00", "utc": "2009-01-23T16:40:09Z", "ms": 1232728809064.4062 }, "end": { "local": "2009-01-24T01:28:09+08:00", "utc": "2009-01-23T17:28:09Z", "ms": 1232731689064.4062 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-01-24", "window": { "start": { "local": "2009-01-25T00:40:23+08:00", "utc": "2009-01-24T16:40:23Z", "ms": 1232815223438.3213 }, "end": { "local": "2009-01-25T01:28:23+08:00", "utc": "2009-01-24T17:28:23Z", "ms": 1232818103438.3213 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:08 on Sat 24 Jan to 13:39 on Sun 25 Jan.", "fact": "2009-01-24T03:08:07Z → 2009-01-25T05:39:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:40–01:28 on the 23rd, 00:40–01:28 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34798 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Saturday 24 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": "2009-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-24", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Saturday 24 January. Caturdaśī runs from 11:08 on Sat 24 Jan to 13:39 on Sun 25 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-01-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12321, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 }, "end": { "local": "2009-01-25T13:39:18+08:00", "utc": "2009-01-25T05:39:18Z", "ms": 1232861957886.794 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-24T11:08:07+08:00", "utc": "2009-01-24T03:08:07Z", "ms": 1232766487114.3096 }, "end": { "local": "2009-01-25T13:39:18+08:00", "utc": "2009-01-25T05:39:18Z", "ms": 1232861957886.794 } }, "kaala": "arunodaya", "days": [ { "local_date": "2009-01-24", "window": { "start": { "local": "2009-01-24T05:56:28+08:00", "utc": "2009-01-23T21:56:28Z", "ms": 1232747788041.4324 }, "end": { "local": "2009-01-24T07:42:46+08:00", "utc": "2009-01-23T23:42:46Z", "ms": 1232754165851.2603 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2009-01-25", "window": { "start": { "local": "2009-01-25T05:56:17+08:00", "utc": "2009-01-24T21:56:17Z", "ms": 1232834177116.0022 }, "end": { "local": "2009-01-25T07:42:26+08:00", "utc": "2009-01-24T23:42:26Z", "ms": 1232840545726.0679 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:08 on Sat 24 Jan to 13:39 on Sun 25 Jan.", "fact": "2009-01-24T03:08:07Z → 2009-01-25T05:39:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:56–07:43 on the 24th, 05:56–07:42 on the 25th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 106 minutes on the 24th and 106 of 106 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 12321 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Zunyi, 2009: Sunday 25 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": "2009-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-25", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Tarpaṇa 2009 falls on Sunday 25 January. Caturdaśī runs from 11:08 on Sat 24 Jan to 13:39 on Sun 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25255, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-01-29T20:30:32+08:00", "utc": "2009-01-29T12:30:32Z", "ms": 1233232232398.5466 }, "end": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-29T20:30:32+08:00", "utc": "2009-01-29T12:30:32Z", "ms": 1233232232398.5466 }, "end": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-01-29", "window": { "start": { "local": "2009-01-29T12:41:37+08:00", "utc": "2009-01-29T04:41:37Z", "ms": 1233204097131.8037 }, "end": { "local": "2009-01-29T13:29:37+08:00", "utc": "2009-01-29T05:29:37Z", "ms": 1233206977131.8037 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-01-30", "window": { "start": { "local": "2009-01-30T12:41:47+08:00", "utc": "2009-01-30T04:41:47Z", "ms": 1233290507397.2915 }, "end": { "local": "2009-01-30T13:29:47+08:00", "utc": "2009-01-30T05:29:47Z", "ms": 1233293387397.2915 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:31 on Thu 29 Jan to 21:08 on Fri 30 Jan.", "fact": "2009-01-29T12:30:32Z → 2009-01-30T13:08:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 29th, 12:42–13:30 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25255 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Zunyi, 2009: Friday 30 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": "2009-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-30", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2009 falls on Friday 30 January. Caturthī runs from 20:31 on Thu 29 Jan to 21:08 on Fri 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 889, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-01-29T20:30:32+08:00", "utc": "2009-01-29T12:30:32Z", "ms": 1233232232398.5466 }, "end": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-29T20:30:32+08:00", "utc": "2009-01-29T12:30:32Z", "ms": 1233232232398.5466 }, "end": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-01-29", "window": { "start": { "local": "2009-01-29T18:30:24+08:00", "utc": "2009-01-29T10:30:24Z", "ms": 1233225023885.1443 }, "end": { "local": "2009-01-29T20:15:44+08:00", "utc": "2009-01-29T12:15:44Z", "ms": 1233231343753.0823 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2009-01-30", "window": { "start": { "local": "2009-01-30T18:31:12+08:00", "utc": "2009-01-30T10:31:12Z", "ms": 1233311471899.9038 }, "end": { "local": "2009-01-30T20:16:22+08:00", "utc": "2009-01-30T12:16:22Z", "ms": 1233317781510.8086 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:31 on Thu 29 Jan to 21:08 on Fri 30 Jan.", "fact": "2009-01-29T12:30:32Z → 2009-01-30T13:08:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:16 on the 29th, 18:31–20:16 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 105 minutes on the 29th and 105 of 105 on the 30th.", "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 889 s" }, { "step": "ruling", "text": "Tila Caturthī, Zunyi, 2009: Friday 30 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": "2009-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-30", "confidence": "boundary" } ], "quote": "In Zunyi, Tila Caturthī 2009 falls on Friday 30 January. Caturthī runs from 20:31 on Thu 29 Jan to 21:08 on Fri 30 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27516, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "end": { "local": "2009-01-31T21:15:41+08:00", "utc": "2009-01-31T13:15:41Z", "ms": 1233407740861.3335 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "end": { "local": "2009-01-31T21:15:41+08:00", "utc": "2009-01-31T13:15:41Z", "ms": 1233407740861.3335 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-01-30", "window": { "start": { "local": "2009-01-30T12:41:47+08:00", "utc": "2009-01-30T04:41:47Z", "ms": 1233290507397.2915 }, "end": { "local": "2009-01-30T13:29:47+08:00", "utc": "2009-01-30T05:29:47Z", "ms": 1233293387397.2915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-01-31", "window": { "start": { "local": "2009-01-31T12:41:57+08:00", "utc": "2009-01-31T04:41:57Z", "ms": 1233376916828.413 }, "end": { "local": "2009-01-31T13:29:57+08:00", "utc": "2009-01-31T05:29:57Z", "ms": 1233379796828.413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:08 on Fri 30 Jan to 21:16 on Sat 31 Jan.", "fact": "2009-01-30T13:08:24Z → 2009-01-31T13:15:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 30th, 12:42–13:30 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27516 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Zunyi, 2009: Saturday 31 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": "2009-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-31", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Pañcamī 2009 falls on Saturday 31 January. Pañcamī runs from 21:08 on Fri 30 Jan to 21:16 on Sat 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27516, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "end": { "local": "2009-01-31T21:15:41+08:00", "utc": "2009-01-31T13:15:41Z", "ms": 1233407740861.3335 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-01-30T21:08:24+08:00", "utc": "2009-01-30T13:08:24Z", "ms": 1233320903889.6304 }, "end": { "local": "2009-01-31T21:15:41+08:00", "utc": "2009-01-31T13:15:41Z", "ms": 1233407740861.3335 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-01-30", "window": { "start": { "local": "2009-01-30T12:41:47+08:00", "utc": "2009-01-30T04:41:47Z", "ms": 1233290507397.2915 }, "end": { "local": "2009-01-30T13:29:47+08:00", "utc": "2009-01-30T05:29:47Z", "ms": 1233293387397.2915 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-01-31", "window": { "start": { "local": "2009-01-31T12:41:57+08:00", "utc": "2009-01-31T04:41:57Z", "ms": 1233376916828.413 }, "end": { "local": "2009-01-31T13:29:57+08:00", "utc": "2009-01-31T05:29:57Z", "ms": 1233379796828.413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:08 on Fri 30 Jan to 21:16 on Sat 31 Jan.", "fact": "2009-01-30T13:08:24Z → 2009-01-31T13:15:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 30th, 12:42–13:30 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27516 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Zunyi, 2009: Saturday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-01-31", "confidence": "determinate" } ], "quote": "In Zunyi, Vasanta Pañcamī 2009 falls on Saturday 31 January. Pañcamī runs from 21:08 on Fri 30 Jan to 21:16 on Sat 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32584, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-02-01T20:50:59+08:00", "utc": "2009-02-01T12:50:59Z", "ms": 1233492659136.6594 }, "end": { "local": "2009-02-02T19:53:46+08:00", "utc": "2009-02-02T11:53:46Z", "ms": 1233575625991.5564 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-02-01T20:50:59+08:00", "utc": "2009-02-01T12:50:59Z", "ms": 1233492659136.6594 }, "end": { "local": "2009-02-02T19:53:46+08:00", "utc": "2009-02-02T11:53:46Z", "ms": 1233575625991.5564 } }, "kaala": "arunodaya", "days": [ { "local_date": "2009-02-02", "window": { "start": { "local": "2009-02-02T05:54:03+08:00", "utc": "2009-02-01T21:54:03Z", "ms": 1233525243303.4458 }, "end": { "local": "2009-02-02T07:38:52+08:00", "utc": "2009-02-01T23:38:52Z", "ms": 1233531531936.6765 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2009-02-03", "window": { "start": { "local": "2009-02-03T05:53:41+08:00", "utc": "2009-02-02T21:53:41Z", "ms": 1233611620918.7507 }, "end": { "local": "2009-02-03T07:38:19+08:00", "utc": "2009-02-02T23:38:19Z", "ms": 1233617898842.3542 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:51 on Sun 1 Feb to 19:54 on Mon 2 Feb.", "fact": "2009-02-01T12:50:59Z → 2009-02-02T11:53:46Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:54–07:39 on the 2nd, 05:54–07:38 on the 3rd.", "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 105 of 105 minutes on the 2nd and 0 of 105 on the 3rd.", "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 32584 s" }, { "step": "ruling", "text": "Ratha Saptamī, Zunyi, 2009: Monday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-02", "confidence": "determinate" } ], "quote": "In Zunyi, Ratha Saptamī 2009 falls on Monday 2 February. Saptamī runs from 20:51 on Sun 1 Feb to 19:54 on Mon 2 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-02-06", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13003, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-02-05T14:00:11+08:00", "utc": "2009-02-05T06:00:11Z", "ms": 1233813610782.289 }, "end": { "local": "2009-02-06T11:13:15+08:00", "utc": "2009-02-06T03:13:15Z", "ms": 1233889994758.2058 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-02-05T14:00:11+08:00", "utc": "2009-02-05T06:00:11Z", "ms": 1233813610782.289 }, "end": { "local": "2009-02-06T11:13:15+08:00", "utc": "2009-02-06T03:13:15Z", "ms": 1233889994758.2058 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-02-05", "window": { "start": { "local": "2009-02-05T07:37:09+08:00", "utc": "2009-02-04T23:37:09Z", "ms": 1233790628615.2778 }, "end": { "local": "2009-02-05T07:37:09+08:00", "utc": "2009-02-04T23:37:09Z", "ms": 1233790628615.2778 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-02-06", "window": { "start": { "local": "2009-02-06T07:36:32+08:00", "utc": "2009-02-05T23:36:32Z", "ms": 1233876991529.0127 }, "end": { "local": "2009-02-06T07:36:32+08:00", "utc": "2009-02-05T23:36:32Z", "ms": 1233876991529.0127 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:00 on Thu 5 Feb to 11:13 on Fri 6 Feb.", "fact": "2009-02-05T06:00:11Z → 2009-02-06T03:13:15Z" }, { "step": "kaala", "text": "Sunrise is at 07:37 on the 5th and 07:37 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13003 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Zunyi, 2009: Friday 6 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": "2009-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-06", "confidence": "determinate" } ], "quote": "In Zunyi, Jayā Ekādaśī 2009 falls on Friday 6 February. Ekādaśī runs from 14:00 on Thu 5 Feb to 11:13 on Fri 6 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5361, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-02-06T11:13:15+08:00", "utc": "2009-02-06T03:13:15Z", "ms": 1233889994758.2058 }, "end": { "local": "2009-02-07T08:11:01+08:00", "utc": "2009-02-07T00:11:01Z", "ms": 1233965460964.2283 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-02-06T11:13:15+08:00", "utc": "2009-02-06T03:13:15Z", "ms": 1233889994758.2058 }, "end": { "local": "2009-02-07T08:11:01+08:00", "utc": "2009-02-07T00:11:01Z", "ms": 1233965460964.2283 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-02-06", "window": { "start": { "local": "2009-02-06T12:42:36+08:00", "utc": "2009-02-06T04:42:36Z", "ms": 1233895355827.7832 }, "end": { "local": "2009-02-06T13:30:36+08:00", "utc": "2009-02-06T05:30:36Z", "ms": 1233898235827.7832 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-02-07", "window": { "start": { "local": "2009-02-07T12:42:39+08:00", "utc": "2009-02-07T04:42:39Z", "ms": 1233981759423.3528 }, "end": { "local": "2009-02-07T13:30:39+08:00", "utc": "2009-02-07T05:30:39Z", "ms": 1233984639423.3528 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:13 on Fri 6 Feb to 08:11 on Sat 7 Feb.", "fact": "2009-02-06T03:13:15Z → 2009-02-07T00:11:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 6th, 12:43–13:31 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5361 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Zunyi, 2009: Friday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-06", "confidence": "determinate" } ], "quote": "In Zunyi, Bhīṣma Dvādaśī 2009 falls on Friday 6 February. Dvādaśī runs from 11:13 on Fri 6 Feb to 08:11 on Sat 7 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-02-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31178, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-02-07T08:11:01+08:00", "utc": "2009-02-07T00:11:01Z", "ms": 1233965460964.2283 }, "end": { "local": "2009-02-08T05:00:46+08:00", "utc": "2009-02-07T21:00:46Z", "ms": 1234040445637.4026 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-02-07T08:11:01+08:00", "utc": "2009-02-07T00:11:01Z", "ms": 1233965460964.2283 }, "end": { "local": "2009-02-08T05:00:46+08:00", "utc": "2009-02-07T21:00:46Z", "ms": 1234040445637.4026 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-02-06", "window": { "start": { "local": "2009-02-06T18:36:40+08:00", "utc": "2009-02-06T10:36:40Z", "ms": 1233916600126.554 }, "end": { "local": "2009-02-06T20:20:34+08:00", "utc": "2009-02-06T12:20:34Z", "ms": 1233922833864.4614 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2009-02-07", "window": { "start": { "local": "2009-02-07T18:37:26+08:00", "utc": "2009-02-07T10:37:26Z", "ms": 1234003045685.846 }, "end": { "local": "2009-02-07T20:21:08+08:00", "utc": "2009-02-07T12:21:08Z", "ms": 1234009268066.0212 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:11 on Sat 7 Feb to 05:01 on Sun 8 Feb.", "fact": "2009-02-07T00:11:01Z → 2009-02-07T21:00:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:21 on the 6th, 18:37–20:21 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 104 minutes on the 6th and 104 of 104 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 31178 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Saturday 7 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": "2009-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Saturday 7 February. Trayodaśī runs from 08:11 on Sat 7 Feb to 05:01 on Sun 8 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33505, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-02-09T01:50:35+08:00", "utc": "2009-02-08T17:50:35Z", "ms": 1234115434950.508 }, "end": { "local": "2009-02-09T22:49:09+08:00", "utc": "2009-02-09T14:49:09Z", "ms": 1234190949473.6445 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2009-02-09T01:50:35+08:00", "utc": "2009-02-08T17:50:35Z", "ms": 1234115434950.508 }, "end": { "local": "2009-02-09T22:49:09+08:00", "utc": "2009-02-09T14:49:09Z", "ms": 1234190949473.6445 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-02-08", "window": { "start": { "local": "2009-02-08T12:42:42+08:00", "utc": "2009-02-08T04:42:42Z", "ms": 1234068162208.2673 }, "end": { "local": "2009-02-08T13:30:42+08:00", "utc": "2009-02-08T05:30:42Z", "ms": 1234071042208.2673 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-02-09", "window": { "start": { "local": "2009-02-09T12:42:44+08:00", "utc": "2009-02-09T04:42:44Z", "ms": 1234154564193.6978 }, "end": { "local": "2009-02-09T13:30:44+08:00", "utc": "2009-02-09T05:30:44Z", "ms": 1234157444193.6978 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:51 on Mon 9 Feb to 22:49 on Mon 9 Feb.", "fact": "2009-02-08T17:50:35Z → 2009-02-09T14:49:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 8th, 12:43–13:31 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33505 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Zunyi, 2009: Monday 9 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": "2009-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-09", "confidence": "determinate" } ], "quote": "In Zunyi, Māghī Pūrṇimā 2009 falls on Monday 9 February. Pūrṇimā runs from 01:51 on Mon 9 Feb to 22:49 on Mon 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-02-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19927, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-02-12T16:05:51+08:00", "utc": "2009-02-12T08:05:51Z", "ms": 1234425951259.0483 }, "end": { "local": "2009-02-13T15:05:06+08:00", "utc": "2009-02-13T07:05:06Z", "ms": 1234508705950.7214 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-02-12T16:05:51+08:00", "utc": "2009-02-12T08:05:51Z", "ms": 1234425951259.0483 }, "end": { "local": "2009-02-13T15:05:06+08:00", "utc": "2009-02-13T07:05:06Z", "ms": 1234508705950.7214 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-02-12", "window": { "start": { "local": "2009-02-12T21:37:58+08:00", "utc": "2009-02-12T13:37:58Z", "ms": 1234445878479.2148 }, "end": { "local": "2009-02-12T21:37:58+08:00", "utc": "2009-02-12T13:37:58Z", "ms": 1234445878479.2148 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-02-13", "window": { "start": { "local": "2009-02-13T22:37:40+08:00", "utc": "2009-02-13T14:37:40Z", "ms": 1234535859804.16 }, "end": { "local": "2009-02-13T22:37:40+08:00", "utc": "2009-02-13T14:37:40Z", "ms": 1234535859804.16 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:06 on Thu 12 Feb to 15:05 on Fri 13 Feb.", "fact": "2009-02-12T08:05:51Z → 2009-02-13T07:05:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:38 on the 12th and 22:38 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19927 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Thursday 12 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": "2009-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Thursday 12 February. Caturthī runs from 16:06 on Thu 12 Feb to 15:05 on Fri 13 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-02-20", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18141, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-02-19T23:43:32+08:00", "utc": "2009-02-19T15:43:32Z", "ms": 1235058211646.0623 }, "end": { "local": "2009-02-21T02:22:36+08:00", "utc": "2009-02-20T18:22:36Z", "ms": 1235154156164.7979 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-02-19T23:43:32+08:00", "utc": "2009-02-19T15:43:32Z", "ms": 1235058211646.0623 }, "end": { "local": "2009-02-21T02:22:36+08:00", "utc": "2009-02-20T18:22:36Z", "ms": 1235154156164.7979 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-02-20", "window": { "start": { "local": "2009-02-20T07:25:50+08:00", "utc": "2009-02-19T23:25:50Z", "ms": 1235085950205.154 }, "end": { "local": "2009-02-20T07:25:50+08:00", "utc": "2009-02-19T23:25:50Z", "ms": 1235085950205.154 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-02-21", "window": { "start": { "local": "2009-02-21T07:24:57+08:00", "utc": "2009-02-20T23:24:57Z", "ms": 1235172296775.4622 }, "end": { "local": "2009-02-21T07:24:57+08:00", "utc": "2009-02-20T23:24:57Z", "ms": 1235172296775.4622 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:44 on Thu 19 Feb to 02:23 on Sat 21 Feb.", "fact": "2009-02-19T15:43:32Z → 2009-02-20T18:22:36Z" }, { "step": "kaala", "text": "Sunrise is at 07:26 on the 20th and 07:25 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18141 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Zunyi, 2009: Friday 20 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": "2009-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Ekādaśī 2009 falls on Friday 20 February. Ekādaśī runs from 23:44 on Thu 19 Feb to 02:23 on Sat 21 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-02-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30059, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-02-22T04:49:16+08:00", "utc": "2009-02-21T20:49:16Z", "ms": 1235249356455.3894 }, "end": { "local": "2009-02-23T06:53:50+08:00", "utc": "2009-02-22T22:53:50Z", "ms": 1235343229684.1497 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-02-22T04:49:16+08:00", "utc": "2009-02-21T20:49:16Z", "ms": 1235249356455.3894 }, "end": { "local": "2009-02-23T06:53:50+08:00", "utc": "2009-02-22T22:53:50Z", "ms": 1235343229684.1497 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-02-21", "window": { "start": { "local": "2009-02-21T18:47:24+08:00", "utc": "2009-02-21T10:47:24Z", "ms": 1235213243962.6697 }, "end": { "local": "2009-02-21T20:28:17+08:00", "utc": "2009-02-21T12:28:17Z", "ms": 1235219297097.4417 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2009-02-22", "window": { "start": { "local": "2009-02-22T18:48:04+08:00", "utc": "2009-02-22T10:48:04Z", "ms": 1235299683800.8662 }, "end": { "local": "2009-02-22T20:28:44+08:00", "utc": "2009-02-22T12:28:44Z", "ms": 1235305724270.7952 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:49 on Sun 22 Feb to 06:54 on Mon 23 Feb.", "fact": "2009-02-21T20:49:16Z → 2009-02-22T22:53:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:28 on the 21st, 18:48–20:29 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 21st and 101 of 101 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 30059 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Sunday 22 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": "2009-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-22", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Sunday 22 February. Trayodaśī runs from 04:49 on Sun 22 Feb to 06:54 on Mon 23 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19454, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-02-23T06:53:50+08:00", "utc": "2009-02-22T22:53:50Z", "ms": 1235343229684.1497 }, "end": { "local": "2009-02-24T08:30:03+08:00", "utc": "2009-02-24T00:30:03Z", "ms": 1235435402872.5813 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-02-23T06:53:50+08:00", "utc": "2009-02-22T22:53:50Z", "ms": 1235343229684.1497 }, "end": { "local": "2009-02-24T08:30:03+08:00", "utc": "2009-02-24T00:30:03Z", "ms": 1235435402872.5813 } }, "kaala": "nishita", "days": [ { "local_date": "2009-02-22", "window": { "start": { "local": "2009-02-23T00:41:36+08:00", "utc": "2009-02-22T16:41:36Z", "ms": 1235320895563.1 }, "end": { "local": "2009-02-23T01:29:36+08:00", "utc": "2009-02-22T17:29:36Z", "ms": 1235323775563.1 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-02-23", "window": { "start": { "local": "2009-02-24T00:41:27+08:00", "utc": "2009-02-23T16:41:27Z", "ms": 1235407287302.395 }, "end": { "local": "2009-02-24T01:29:27+08:00", "utc": "2009-02-23T17:29:27Z", "ms": 1235410167302.395 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:54 on Mon 23 Feb to 08:30 on Tue 24 Feb.", "fact": "2009-02-22T22:53:50Z → 2009-02-24T00:30:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:42–01:30 on the 22nd, 00:41–01:29 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "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 19454 s" }, { "step": "ruling", "text": "Mahāśivarātri, Zunyi, 2009: Monday 23 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": "2009-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-23", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāśivarātri 2009 falls on Monday 23 February. Caturdaśī runs from 06:54 on Mon 23 Feb to 08:30 on Tue 24 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-02-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10304, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-02-28T09:49:23+08:00", "utc": "2009-02-28T01:49:23Z", "ms": 1235785762820.405 }, "end": { "local": "2009-03-01T09:02:07+08:00", "utc": "2009-03-01T01:02:07Z", "ms": 1235869327067.319 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-02-28T09:49:23+08:00", "utc": "2009-02-28T01:49:23Z", "ms": 1235785762820.405 }, "end": { "local": "2009-03-01T09:02:07+08:00", "utc": "2009-03-01T01:02:07Z", "ms": 1235869327067.319 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-02-28", "window": { "start": { "local": "2009-02-28T12:41:07+08:00", "utc": "2009-02-28T04:41:07Z", "ms": 1235796067219.1934 }, "end": { "local": "2009-02-28T13:29:07+08:00", "utc": "2009-02-28T05:29:07Z", "ms": 1235798947219.1934 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-03-01", "window": { "start": { "local": "2009-03-01T12:40:56+08:00", "utc": "2009-03-01T04:40:56Z", "ms": 1235882455939.4863 }, "end": { "local": "2009-03-01T13:28:56+08:00", "utc": "2009-03-01T05:28:56Z", "ms": 1235885335939.4863 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:49 on Sat 28 Feb to 09:02 on Sun 1 Mar.", "fact": "2009-02-28T01:49:23Z → 2009-03-01T01:02:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 28th, 12:41–13:29 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10304 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Saturday 28 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": "2009-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-02-28", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Saturday 28 February. Caturthī runs from 09:49 on Sat 28 Feb to 09:02 on Sun 1 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-03-07", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32169, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-03-06T22:15:00+08:00", "utc": "2009-03-06T14:15:00Z", "ms": 1236348899716.3018 }, "end": { "local": "2009-03-07T19:48:32+08:00", "utc": "2009-03-07T11:48:32Z", "ms": 1236426512235.0413 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-03-06T22:15:00+08:00", "utc": "2009-03-06T14:15:00Z", "ms": 1236348899716.3018 }, "end": { "local": "2009-03-07T19:48:32+08:00", "utc": "2009-03-07T11:48:32Z", "ms": 1236426512235.0413 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-03-07", "window": { "start": { "local": "2009-03-07T07:11:09+08:00", "utc": "2009-03-06T23:11:09Z", "ms": 1236381068952.7104 }, "end": { "local": "2009-03-07T07:11:09+08:00", "utc": "2009-03-06T23:11:09Z", "ms": 1236381068952.7104 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-03-08", "window": { "start": { "local": "2009-03-08T07:10:05+08:00", "utc": "2009-03-07T23:10:05Z", "ms": 1236467405181.5745 }, "end": { "local": "2009-03-08T07:10:05+08:00", "utc": "2009-03-07T23:10:05Z", "ms": 1236467405181.5745 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:15 on Fri 6 Mar to 19:49 on Sat 7 Mar.", "fact": "2009-03-06T14:15:00Z → 2009-03-07T11:48:32Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 7th and 07:10 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32169 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Zunyi, 2009: Saturday 7 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": "2009-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-07", "confidence": "determinate" } ], "quote": "In Zunyi, Āmalakī Ekādaśī 2009 falls on Saturday 7 March. Ekādaśī runs from 22:15 on Fri 6 Mar to 19:49 on Sat 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-03-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5812, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-03-08T17:19:49+08:00", "utc": "2009-03-08T09:19:49Z", "ms": 1236503989459.0327 }, "end": { "local": "2009-03-09T14:54:08+08:00", "utc": "2009-03-09T06:54:08Z", "ms": 1236581648012.007 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-03-08T17:19:49+08:00", "utc": "2009-03-08T09:19:49Z", "ms": 1236503989459.0327 }, "end": { "local": "2009-03-09T14:54:08+08:00", "utc": "2009-03-09T06:54:08Z", "ms": 1236581648012.007 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-03-08", "window": { "start": { "local": "2009-03-08T18:56:42+08:00", "utc": "2009-03-08T10:56:42Z", "ms": 1236509801538.8667 }, "end": { "local": "2009-03-08T20:34:20+08:00", "utc": "2009-03-08T12:34:20Z", "ms": 1236515660126.0005 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2009-03-09", "window": { "start": { "local": "2009-03-09T18:57:16+08:00", "utc": "2009-03-09T10:57:16Z", "ms": 1236596235898.2776 }, "end": { "local": "2009-03-09T20:34:41+08:00", "utc": "2009-03-09T12:34:41Z", "ms": 1236602081280.668 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:20 on Sun 8 Mar to 14:54 on Mon 9 Mar.", "fact": "2009-03-08T09:19:49Z → 2009-03-09T06:54:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:34 on the 8th, 18:57–20:35 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 98 of 98 minutes on the 8th and 0 of 97 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 5812 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Sunday 8 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": "2009-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-08", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Sunday 8 March. Trayodaśī runs from 17:20 on Sun 8 Mar to 14:54 on Mon 9 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-03-10T12:37:45+08:00", "utc": "2009-03-10T04:37:45Z", "ms": 1236659864665.893 }, "end": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-03-10T12:37:45+08:00", "utc": "2009-03-10T04:37:45Z", "ms": 1236659864665.893 }, "end": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 } }, "kaala": "sayahna", "days": [ { "local_date": "2009-03-10", "window": { "start": { "local": "2009-03-10T16:35:51+08:00", "utc": "2009-03-10T08:35:51Z", "ms": 1236674151229.5303 }, "end": { "local": "2009-03-10T18:57:50+08:00", "utc": "2009-03-10T10:57:50Z", "ms": 1236682669970.3616 } }, "covered_min": 142, "window_min": 142, "qualifies": true }, { "local_date": "2009-03-11", "window": { "start": { "local": "2009-03-11T16:36:05+08:00", "utc": "2009-03-11T08:36:05Z", "ms": 1236760565254.936 }, "end": { "local": "2009-03-11T18:58:24+08:00", "utc": "2009-03-11T10:58:24Z", "ms": 1236769103772.6973 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:38 on Tue 10 Mar to 10:38 on Wed 11 Mar.", "fact": "2009-03-10T04:37:45Z → 2009-03-11T02:37:44Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:36–18:58 on the 10th, 16:36–18:58 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 142 of 142 minutes on the 10th and 0 of 142 on the 11th.", "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 14287 s" }, { "step": "ruling", "text": "Holikā Dahana, Zunyi, 2009: Tuesday 10 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": "2009-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-10", "confidence": "determinate" } ], "quote": "In Zunyi, Holikā Dahana 2009 falls on Tuesday 10 March. Pūrṇimā runs from 12:38 on Tue 10 Mar to 10:38 on Wed 11 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-03-10T12:37:45+08:00", "utc": "2009-03-10T04:37:45Z", "ms": 1236659864665.893 }, "end": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2009-03-10T12:37:45+08:00", "utc": "2009-03-10T04:37:45Z", "ms": 1236659864665.893 }, "end": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 } }, "kaala": "sayahna", "days": [ { "local_date": "2009-03-10", "window": { "start": { "local": "2009-03-10T16:35:51+08:00", "utc": "2009-03-10T08:35:51Z", "ms": 1236674151229.5303 }, "end": { "local": "2009-03-10T18:57:50+08:00", "utc": "2009-03-10T10:57:50Z", "ms": 1236682669970.3616 } }, "covered_min": 142, "window_min": 142, "qualifies": true }, { "local_date": "2009-03-11", "window": { "start": { "local": "2009-03-11T16:36:05+08:00", "utc": "2009-03-11T08:36:05Z", "ms": 1236760565254.936 }, "end": { "local": "2009-03-11T18:58:24+08:00", "utc": "2009-03-11T10:58:24Z", "ms": 1236769103772.6973 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2009-03-10", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:38 on Tue 10 Mar to 10:38 on Wed 11 Mar.", "fact": "2009-03-10T04:37:45Z → 2009-03-11T02:37:44Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:36–18:58 on the 10th, 16:36–18:58 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 142 of 142 minutes on the 10th and 0 of 142 on the 11th.", "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 14287 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 10 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Zunyi, 2009: Wednesday 11 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": "2009-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-11", "confidence": "determinate" } ], "quote": "In Zunyi, Holī 2009 falls on Wednesday 11 March. It is kept the day after Holikā Dahana, which falls on Tuesday 10 March. Pūrṇimā runs from 12:38 on Tue 10 Mar to 10:38 on Wed 11 Mar and covers all of sāyāhna on the 10th.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6952, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 }, "end": { "local": "2009-03-12T09:01:38+08:00", "utc": "2009-03-12T01:01:38Z", "ms": 1236819697613.9136 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-11T10:37:44+08:00", "utc": "2009-03-11T02:37:44Z", "ms": 1236739064311.6338 }, "end": { "local": "2009-03-12T09:01:38+08:00", "utc": "2009-03-12T01:01:38Z", "ms": 1236819697613.9136 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-03-11", "window": { "start": { "local": "2009-03-11T07:06:51+08:00", "utc": "2009-03-10T23:06:51Z", "ms": 1236726411183.8916 }, "end": { "local": "2009-03-11T07:06:51+08:00", "utc": "2009-03-10T23:06:51Z", "ms": 1236726411183.8916 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-03-12", "window": { "start": { "local": "2009-03-12T07:05:46+08:00", "utc": "2009-03-11T23:05:46Z", "ms": 1236812745726.2915 }, "end": { "local": "2009-03-12T07:05:46+08:00", "utc": "2009-03-11T23:05:46Z", "ms": 1236812745726.2915 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:38 on Wed 11 Mar to 09:02 on Thu 12 Mar.", "fact": "2009-03-11T02:37:44Z → 2009-03-12T01:01:38Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 11th and 07:06 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 6952 s" }, { "step": "ruling", "text": "Vasantotsava, Zunyi, 2009: Thursday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-12", "confidence": "determinate" } ], "quote": "In Zunyi, Vasantotsava 2009 falls on Thursday 12 March. Pratipadā runs from 10:38 on Wed 11 Mar to 09:02 on Thu 12 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-03-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33872, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-03-14T07:29:37+08:00", "utc": "2009-03-13T23:29:37Z", "ms": 1236986976527.732 }, "end": { "local": "2009-03-15T07:44:34+08:00", "utc": "2009-03-14T23:44:34Z", "ms": 1237074273550.366 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-14T07:29:37+08:00", "utc": "2009-03-13T23:29:37Z", "ms": 1236986976527.732 }, "end": { "local": "2009-03-15T07:44:34+08:00", "utc": "2009-03-14T23:44:34Z", "ms": 1237074273550.366 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-03-13", "window": { "start": { "local": "2009-03-13T21:20:15+08:00", "utc": "2009-03-13T13:20:15Z", "ms": 1236950415418.0476 }, "end": { "local": "2009-03-13T21:20:15+08:00", "utc": "2009-03-13T13:20:15Z", "ms": 1236950415418.0476 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-03-14", "window": { "start": { "local": "2009-03-14T22:20:01+08:00", "utc": "2009-03-14T14:20:01Z", "ms": 1237040401300.721 }, "end": { "local": "2009-03-14T22:20:01+08:00", "utc": "2009-03-14T14:20:01Z", "ms": 1237040401300.721 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:30 on Sat 14 Mar to 07:45 on Sun 15 Mar.", "fact": "2009-03-13T23:29:37Z → 2009-03-14T23:44:34Z" }, { "step": "kaala", "text": "Moonrise is at 21:20 on the 13th and 22:20 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33872 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Saturday 14 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": "2009-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-14", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Saturday 14 March. Caturthī runs from 07:30 on Sat 14 Mar to 07:45 on Sun 15 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 215, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-03-18T12:33:06+08:00", "utc": "2009-03-18T04:33:06Z", "ms": 1237350785716.9126 }, "end": { "local": "2009-03-19T15:04:53+08:00", "utc": "2009-03-19T07:04:53Z", "ms": 1237446293466.646 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-18T12:33:06+08:00", "utc": "2009-03-18T04:33:06Z", "ms": 1237350785716.9126 }, "end": { "local": "2009-03-19T15:04:53+08:00", "utc": "2009-03-19T07:04:53Z", "ms": 1237446293466.646 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-18", "window": { "start": { "local": "2009-03-18T12:36:41+08:00", "utc": "2009-03-18T04:36:41Z", "ms": 1237351000532.6494 }, "end": { "local": "2009-03-18T13:24:41+08:00", "utc": "2009-03-18T05:24:41Z", "ms": 1237353880532.6494 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-03-19", "window": { "start": { "local": "2009-03-19T12:36:23+08:00", "utc": "2009-03-19T04:36:23Z", "ms": 1237437383029.764 }, "end": { "local": "2009-03-19T13:24:23+08:00", "utc": "2009-03-19T05:24:23Z", "ms": 1237440263029.764 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:33 on Wed 18 Mar to 15:05 on Thu 19 Mar.", "fact": "2009-03-18T04:33:06Z → 2009-03-19T07:04:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 18th, 12:36–13:24 on the 19th.", "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 18th and 48 of 48 on the 19th.", "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 215 s < 300 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Zunyi, 2009: Wednesday 18 March.", "fact": "confidence: boundary (margin)" } ], "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": "2009-03-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-18", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalāṣṭamī 2009 falls on Wednesday 18 March. Aṣṭamī runs from 12:33 on Wed 18 Mar to 15:05 on Thu 19 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 3 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-03-22", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31393, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-03-21T20:08:14+08:00", "utc": "2009-03-21T12:08:14Z", "ms": 1237637294275.1821 }, "end": { "local": "2009-03-22T22:10:16+08:00", "utc": "2009-03-22T14:10:16Z", "ms": 1237731016264.1895 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-21T20:08:14+08:00", "utc": "2009-03-21T12:08:14Z", "ms": 1237637294275.1821 }, "end": { "local": "2009-03-22T22:10:16+08:00", "utc": "2009-03-22T14:10:16Z", "ms": 1237731016264.1895 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-03-22", "window": { "start": { "local": "2009-03-22T06:54:37+08:00", "utc": "2009-03-21T22:54:37Z", "ms": 1237676077120.6318 }, "end": { "local": "2009-03-22T06:54:37+08:00", "utc": "2009-03-21T22:54:37Z", "ms": 1237676077120.6318 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-03-23", "window": { "start": { "local": "2009-03-23T06:53:29+08:00", "utc": "2009-03-22T22:53:29Z", "ms": 1237762409491.0188 }, "end": { "local": "2009-03-23T06:53:29+08:00", "utc": "2009-03-22T22:53:29Z", "ms": 1237762409491.0188 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:08 on Sat 21 Mar to 22:10 on Sun 22 Mar.", "fact": "2009-03-21T12:08:14Z → 2009-03-22T14:10:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 22nd and 06:53 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31393 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Zunyi, 2009: Sunday 22 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": "2009-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-22", "confidence": "determinate" } ], "quote": "In Zunyi, Pāpamocanī Ekādaśī 2009 falls on Sunday 22 March. Ekādaśī runs from 20:08 on Sat 21 Mar to 22:10 on Sun 22 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-03-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10732, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-03-23T23:38:06+08:00", "utc": "2009-03-23T15:38:06Z", "ms": 1237822685804.9238 }, "end": { "local": "2009-03-25T00:26:33+08:00", "utc": "2009-03-24T16:26:33Z", "ms": 1237911992565.3433 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-23T23:38:06+08:00", "utc": "2009-03-23T15:38:06Z", "ms": 1237822685804.9238 }, "end": { "local": "2009-03-25T00:26:33+08:00", "utc": "2009-03-24T16:26:33Z", "ms": 1237911992565.3433 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-03-23", "window": { "start": { "local": "2009-03-23T19:04:54+08:00", "utc": "2009-03-23T11:04:54Z", "ms": 1237806294228.8748 }, "end": { "local": "2009-03-23T20:39:14+08:00", "utc": "2009-03-23T12:39:14Z", "ms": 1237811953909.2349 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2009-03-24", "window": { "start": { "local": "2009-03-24T19:05:26+08:00", "utc": "2009-03-24T11:05:26Z", "ms": 1237892725916.8657 }, "end": { "local": "2009-03-24T20:39:32+08:00", "utc": "2009-03-24T12:39:32Z", "ms": 1237898372350.391 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:38 on Mon 23 Mar to 00:27 on Wed 25 Mar.", "fact": "2009-03-23T15:38:06Z → 2009-03-24T16:26:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:39 on the 23rd, 19:05–20:40 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 23rd and 94 of 94 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10732 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Tuesday 24 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": "2009-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-24", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Tuesday 24 March. Trayodaśī runs from 23:38 on Mon 23 Mar to 00:27 on Wed 25 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-03-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-24", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 51, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-03-25T00:26:33+08:00", "utc": "2009-03-24T16:26:33Z", "ms": 1237911992565.3433 }, "end": { "local": "2009-03-26T00:34:53+08:00", "utc": "2009-03-25T16:34:53Z", "ms": 1237998892820.7725 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-25T00:26:33+08:00", "utc": "2009-03-24T16:26:33Z", "ms": 1237911992565.3433 }, "end": { "local": "2009-03-26T00:34:53+08:00", "utc": "2009-03-25T16:34:53Z", "ms": 1237998892820.7725 } }, "kaala": "nishita", "days": [ { "local_date": "2009-03-24", "window": { "start": { "local": "2009-03-25T00:34:20+08:00", "utc": "2009-03-24T16:34:20Z", "ms": 1237912460042.586 }, "end": { "local": "2009-03-25T01:22:20+08:00", "utc": "2009-03-24T17:22:20Z", "ms": 1237915340042.586 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-03-25", "window": { "start": { "local": "2009-03-26T00:34:02+08:00", "utc": "2009-03-25T16:34:02Z", "ms": 1237998842026.971 }, "end": { "local": "2009-03-26T01:22:02+08:00", "utc": "2009-03-25T17:22:02Z", "ms": 1238001722026.971 } }, "covered_min": 1, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:27 on Wed 25 Mar to 00:35 on Thu 26 Mar.", "fact": "2009-03-24T16:26:33Z → 2009-03-25T16:34:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 24th, 00:34–01:22 on the 25th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 24th and 1 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 51 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Tuesday 24 March.", "fact": "confidence: boundary (margin, tie-break-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": "2009-03-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-24", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Tuesday 24 March. Caturdaśī runs from 00:27 on Wed 25 Mar to 00:35 on Thu 26 Mar and covers all of niśītha that night. It also reaches the next night for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 51 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34972, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-03-27T00:05:55+08:00", "utc": "2009-03-26T16:05:55Z", "ms": 1238083555129.9993 }, "end": { "local": "2009-03-27T23:04:51+08:00", "utc": "2009-03-27T15:04:51Z", "ms": 1238166291249.925 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-27T00:05:55+08:00", "utc": "2009-03-26T16:05:55Z", "ms": 1238083555129.9993 }, "end": { "local": "2009-03-27T23:04:51+08:00", "utc": "2009-03-27T15:04:51Z", "ms": 1238166291249.925 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-26", "window": { "start": { "local": "2009-03-26T12:34:18+08:00", "utc": "2009-03-26T04:34:18Z", "ms": 1238042057797.9727 }, "end": { "local": "2009-03-26T13:22:18+08:00", "utc": "2009-03-26T05:22:18Z", "ms": 1238044937797.9727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-03-27", "window": { "start": { "local": "2009-03-27T12:34:00+08:00", "utc": "2009-03-27T04:34:00Z", "ms": 1238128439741.3726 }, "end": { "local": "2009-03-27T13:22:00+08:00", "utc": "2009-03-27T05:22:00Z", "ms": 1238131319741.3726 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:06 on Fri 27 Mar to 23:05 on Fri 27 Mar.", "fact": "2009-03-26T16:05:55Z → 2009-03-27T15:04:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 26th, 12:34–13:22 on the 27th.", "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 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 34972 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Zunyi, 2009: Friday 27 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": "2009-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-27", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Caitra) (Chaitra Navratri) 2009 falls on Friday 27 March. Pratipadā runs from 00:06 on Fri 27 Mar to 23:05 on Fri 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23474, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-03-28T21:38:09+08:00", "utc": "2009-03-28T13:38:09Z", "ms": 1238247489414.6616 }, "end": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-28T21:38:09+08:00", "utc": "2009-03-28T13:38:09Z", "ms": 1238247489414.6616 }, "end": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-28", "window": { "start": { "local": "2009-03-28T12:33:42+08:00", "utc": "2009-03-28T04:33:42Z", "ms": 1238214821694.1697 }, "end": { "local": "2009-03-28T13:21:42+08:00", "utc": "2009-03-28T05:21:42Z", "ms": 1238217701694.1697 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-03-29", "window": { "start": { "local": "2009-03-29T12:33:24+08:00", "utc": "2009-03-29T04:33:24Z", "ms": 1238301203672.184 }, "end": { "local": "2009-03-29T13:21:24+08:00", "utc": "2009-03-29T05:21:24Z", "ms": 1238304083672.184 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:38 on Sat 28 Mar to 19:53 on Sun 29 Mar.", "fact": "2009-03-28T13:38:09Z → 2009-03-29T11:52:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 28th, 12:33–13:21 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23474 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Zunyi, 2009: Sunday 29 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": "2009-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-29", "confidence": "determinate" } ], "quote": "In Zunyi, Gaurī Tṛtīyā (Gangaur) 2009 falls on Sunday 29 March. Tṛtīyā runs from 21:38 on Sat 28 Mar to 19:53 on Sun 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23474, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-03-28T21:38:09+08:00", "utc": "2009-03-28T13:38:09Z", "ms": 1238247489414.6616 }, "end": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-28T21:38:09+08:00", "utc": "2009-03-28T13:38:09Z", "ms": 1238247489414.6616 }, "end": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-28", "window": { "start": { "local": "2009-03-28T12:33:42+08:00", "utc": "2009-03-28T04:33:42Z", "ms": 1238214821694.1697 }, "end": { "local": "2009-03-28T13:21:42+08:00", "utc": "2009-03-28T05:21:42Z", "ms": 1238217701694.1697 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-03-29", "window": { "start": { "local": "2009-03-29T12:33:24+08:00", "utc": "2009-03-29T04:33:24Z", "ms": 1238301203672.184 }, "end": { "local": "2009-03-29T13:21:24+08:00", "utc": "2009-03-29T05:21:24Z", "ms": 1238304083672.184 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:38 on Sat 28 Mar to 19:53 on Sun 29 Mar.", "fact": "2009-03-28T13:38:09Z → 2009-03-29T11:52:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 28th, 12:33–13:21 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23474 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Zunyi, 2009: Sunday 29 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": "2009-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-29", "confidence": "determinate" } ], "quote": "In Zunyi, Saubhāgya Śayana Vrata 2009 falls on Sunday 29 March. Tṛtīyā runs from 21:38 on Sat 28 Mar to 19:53 on Sun 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-03-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16417, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 }, "end": { "local": "2009-03-30T17:54:43+08:00", "utc": "2009-03-30T09:54:43Z", "ms": 1238406883116.39 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-29T19:52:38+08:00", "utc": "2009-03-29T11:52:38Z", "ms": 1238327558168.059 }, "end": { "local": "2009-03-30T17:54:43+08:00", "utc": "2009-03-30T09:54:43Z", "ms": 1238406883116.39 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-29", "window": { "start": { "local": "2009-03-29T12:33:24+08:00", "utc": "2009-03-29T04:33:24Z", "ms": 1238301203672.184 }, "end": { "local": "2009-03-29T13:21:24+08:00", "utc": "2009-03-29T05:21:24Z", "ms": 1238304083672.184 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-03-30", "window": { "start": { "local": "2009-03-30T12:33:06+08:00", "utc": "2009-03-30T04:33:06Z", "ms": 1238387585691.1318 }, "end": { "local": "2009-03-30T13:21:06+08:00", "utc": "2009-03-30T05:21:06Z", "ms": 1238390465691.1318 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:53 on Sun 29 Mar to 17:55 on Mon 30 Mar.", "fact": "2009-03-29T11:52:38Z → 2009-03-30T09:54:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 29th, 12:33–13:21 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16417 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Monday 30 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": "2009-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-30", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Monday 30 March. Caturthī runs from 19:53 on Sun 29 Mar to 17:55 on Mon 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8949, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-03-30T17:54:43+08:00", "utc": "2009-03-30T09:54:43Z", "ms": 1238406883116.39 }, "end": { "local": "2009-03-31T15:49:57+08:00", "utc": "2009-03-31T07:49:57Z", "ms": 1238485796707.9194 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-03-30T17:54:43+08:00", "utc": "2009-03-30T09:54:43Z", "ms": 1238406883116.39 }, "end": { "local": "2009-03-31T15:49:57+08:00", "utc": "2009-03-31T07:49:57Z", "ms": 1238485796707.9194 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-03-30", "window": { "start": { "local": "2009-03-30T12:33:06+08:00", "utc": "2009-03-30T04:33:06Z", "ms": 1238387585691.1318 }, "end": { "local": "2009-03-30T13:21:06+08:00", "utc": "2009-03-30T05:21:06Z", "ms": 1238390465691.1318 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-03-31", "window": { "start": { "local": "2009-03-31T12:32:48+08:00", "utc": "2009-03-31T04:32:48Z", "ms": 1238473967766.8984 }, "end": { "local": "2009-03-31T13:20:48+08:00", "utc": "2009-03-31T05:20:48Z", "ms": 1238476847766.8984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:55 on Mon 30 Mar to 15:50 on Tue 31 Mar.", "fact": "2009-03-30T09:54:43Z → 2009-03-31T07:49:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 30th, 12:33–13:21 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8949 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Zunyi, 2009: Tuesday 31 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": "2009-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-03-31", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pañcamī 2009 falls on Tuesday 31 March. Pañcamī runs from 17:55 on Mon 30 Mar to 15:50 on Tue 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3367, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-04-02T11:36:05+08:00", "utc": "2009-04-02T03:36:05Z", "ms": 1238643364690.5403 }, "end": { "local": "2009-04-03T09:32:12+08:00", "utc": "2009-04-03T01:32:12Z", "ms": 1238722332470.4805 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-02T11:36:05+08:00", "utc": "2009-04-02T03:36:05Z", "ms": 1238643364690.5403 }, "end": { "local": "2009-04-03T09:32:12+08:00", "utc": "2009-04-03T01:32:12Z", "ms": 1238722332470.4805 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-02", "window": { "start": { "local": "2009-04-02T12:32:12+08:00", "utc": "2009-04-02T04:32:12Z", "ms": 1238646732155.005 }, "end": { "local": "2009-04-02T13:20:12+08:00", "utc": "2009-04-02T05:20:12Z", "ms": 1238649612155.005 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-04-03", "window": { "start": { "local": "2009-04-03T12:31:55+08:00", "utc": "2009-04-03T04:31:55Z", "ms": 1238733114502.1646 }, "end": { "local": "2009-04-03T13:19:55+08:00", "utc": "2009-04-03T05:19:55Z", "ms": 1238735994502.1646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:36 on Thu 2 Apr to 09:32 on Fri 3 Apr.", "fact": "2009-04-02T03:36:05Z → 2009-04-03T01:32:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 2nd, 12:32–13:20 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3367 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Zunyi, 2009: Thursday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-02", "confidence": "determinate" } ], "quote": "In Zunyi, Bhavānī Utpatti 2009 falls on Thursday 2 April. Aṣṭamī runs from 11:36 on Thu 2 Apr to 09:32 on Fri 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10782, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2009-04-03T09:32:12+08:00", "utc": "2009-04-03T01:32:12Z", "ms": 1238722332470.4805 }, "end": { "local": "2009-04-04T07:32:29+08:00", "utc": "2009-04-03T23:32:29Z", "ms": 1238801548787.4558 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-03T09:32:12+08:00", "utc": "2009-04-03T01:32:12Z", "ms": 1238722332470.4805 }, "end": { "local": "2009-04-04T07:32:29+08:00", "utc": "2009-04-03T23:32:29Z", "ms": 1238801548787.4558 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-03", "window": { "start": { "local": "2009-04-03T12:31:55+08:00", "utc": "2009-04-03T04:31:55Z", "ms": 1238733114502.1646 }, "end": { "local": "2009-04-03T13:19:55+08:00", "utc": "2009-04-03T05:19:55Z", "ms": 1238735994502.1646 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-04-04", "window": { "start": { "local": "2009-04-04T12:31:37+08:00", "utc": "2009-04-04T04:31:37Z", "ms": 1238819496976.063 }, "end": { "local": "2009-04-04T13:19:37+08:00", "utc": "2009-04-04T05:19:37Z", "ms": 1238822376976.063 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:32 on Fri 3 Apr to 07:32 on Sat 4 Apr.", "fact": "2009-04-03T01:32:12Z → 2009-04-03T23:32:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 3rd, 12:32–13:20 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10782 s" }, { "step": "ruling", "text": "Rāma Navamī, Zunyi, 2009: Friday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-03", "confidence": "determinate" } ], "quote": "In Zunyi, Rāma Navamī 2009 falls on Friday 3 April. Navamī runs from 09:32 on Fri 3 Apr to 07:32 on Sat 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-04-05", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3649, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-04-05T05:38:08+08:00", "utc": "2009-04-04T21:38:08Z", "ms": 1238881088171.7932 }, "end": { "local": "2009-04-06T03:50:48+08:00", "utc": "2009-04-05T19:50:48Z", "ms": 1238961047693.2954 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-05T05:38:08+08:00", "utc": "2009-04-04T21:38:08Z", "ms": 1238881088171.7932 }, "end": { "local": "2009-04-06T03:50:48+08:00", "utc": "2009-04-05T19:50:48Z", "ms": 1238961047693.2954 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-04-05", "window": { "start": { "local": "2009-04-05T06:38:57+08:00", "utc": "2009-04-04T22:38:57Z", "ms": 1238884736684.6248 }, "end": { "local": "2009-04-05T06:38:57+08:00", "utc": "2009-04-04T22:38:57Z", "ms": 1238884736684.6248 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-04-06", "window": { "start": { "local": "2009-04-06T06:37:51+08:00", "utc": "2009-04-05T22:37:51Z", "ms": 1238971070913.1638 }, "end": { "local": "2009-04-06T06:37:51+08:00", "utc": "2009-04-05T22:37:51Z", "ms": 1238971070913.1638 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:38 on Sun 5 Apr to 03:51 on Mon 6 Apr.", "fact": "2009-04-04T21:38:08Z → 2009-04-05T19:50:48Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 5th and 06:38 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 3649 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Zunyi, 2009: Sunday 5 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": "2009-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-05", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmadā Ekādaśī 2009 falls on Sunday 5 April. Ekādaśī runs from 05:38 on Sun 5 Apr to 03:51 on Mon 6 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37072, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-04-07T02:12:54+08:00", "utc": "2009-04-06T18:12:54Z", "ms": 1239041573529.63 }, "end": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-07T02:12:54+08:00", "utc": "2009-04-06T18:12:54Z", "ms": 1239041573529.63 }, "end": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-07", "window": { "start": { "local": "2009-04-07T12:30:45+08:00", "utc": "2009-04-07T04:30:45Z", "ms": 1239078645358.377 }, "end": { "local": "2009-04-07T13:18:45+08:00", "utc": "2009-04-07T05:18:45Z", "ms": 1239081525358.377 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-04-08", "window": { "start": { "local": "2009-04-08T12:30:29+08:00", "utc": "2009-04-08T04:30:29Z", "ms": 1239165028542.519 }, "end": { "local": "2009-04-08T13:18:29+08:00", "utc": "2009-04-08T05:18:29Z", "ms": 1239167908542.519 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:13 on Tue 7 Apr to 00:48 on Wed 8 Apr.", "fact": "2009-04-06T18:12:54Z → 2009-04-07T16:47:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:30–13:18 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37072 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Zunyi, 2009: Tuesday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-07", "confidence": "determinate" } ], "quote": "In Zunyi, Anaṅga Trayodaśī 2009 falls on Tuesday 7 April. Trayodaśī runs from 02:13 on Tue 7 Apr to 00:48 on Wed 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-04-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14647, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-04-07T02:12:54+08:00", "utc": "2009-04-06T18:12:54Z", "ms": 1239041573529.63 }, "end": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-07T02:12:54+08:00", "utc": "2009-04-06T18:12:54Z", "ms": 1239041573529.63 }, "end": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-04-06", "window": { "start": { "local": "2009-04-06T19:12:14+08:00", "utc": "2009-04-06T11:12:14Z", "ms": 1239016333853.7175 }, "end": { "local": "2009-04-06T20:43:30+08:00", "utc": "2009-04-06T12:43:30Z", "ms": 1239021810069.2593 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2009-04-07", "window": { "start": { "local": "2009-04-07T19:12:45+08:00", "utc": "2009-04-07T11:12:45Z", "ms": 1239102765246.4722 }, "end": { "local": "2009-04-07T20:43:49+08:00", "utc": "2009-04-07T12:43:49Z", "ms": 1239108228598.2236 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:13 on Tue 7 Apr to 00:48 on Wed 8 Apr.", "fact": "2009-04-06T18:12:54Z → 2009-04-07T16:47:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:44 on the 6th, 19:13–20:44 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 91 minutes on the 6th and 91 of 91 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 14647 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Tuesday 7 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": "2009-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Tuesday 7 April. Trayodaśī runs from 02:13 on Tue 7 Apr to 00:48 on Wed 8 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37319, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 }, "end": { "local": "2009-04-08T23:40:28+08:00", "utc": "2009-04-08T15:40:28Z", "ms": 1239205227683.2542 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-08T00:47:56+08:00", "utc": "2009-04-07T16:47:56Z", "ms": 1239122875747.4946 }, "end": { "local": "2009-04-08T23:40:28+08:00", "utc": "2009-04-08T15:40:28Z", "ms": 1239205227683.2542 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-07", "window": { "start": { "local": "2009-04-07T12:30:45+08:00", "utc": "2009-04-07T04:30:45Z", "ms": 1239078645358.377 }, "end": { "local": "2009-04-07T13:18:45+08:00", "utc": "2009-04-07T05:18:45Z", "ms": 1239081525358.377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-04-08", "window": { "start": { "local": "2009-04-08T12:30:29+08:00", "utc": "2009-04-08T04:30:29Z", "ms": 1239165028542.519 }, "end": { "local": "2009-04-08T13:18:29+08:00", "utc": "2009-04-08T05:18:29Z", "ms": 1239167908542.519 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:48 on Wed 8 Apr to 23:40 on Wed 8 Apr.", "fact": "2009-04-07T16:47:56Z → 2009-04-08T15:40:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:30–13:18 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37319 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Zunyi, 2009: Wednesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-08", "confidence": "determinate" } ], "quote": "In Zunyi, Viṣṇudamanaka Caturdaśī 2009 falls on Wednesday 8 April. Caturdaśī runs from 00:48 on Wed 8 Apr to 23:40 on Wed 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34656, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-04-08T23:40:28+08:00", "utc": "2009-04-08T15:40:28Z", "ms": 1239205227683.2542 }, "end": { "local": "2009-04-09T22:55:48+08:00", "utc": "2009-04-09T14:55:48Z", "ms": 1239288948446.6182 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2009-04-08T23:40:28+08:00", "utc": "2009-04-08T15:40:28Z", "ms": 1239205227683.2542 }, "end": { "local": "2009-04-09T22:55:48+08:00", "utc": "2009-04-09T14:55:48Z", "ms": 1239288948446.6182 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-08", "window": { "start": { "local": "2009-04-08T12:30:29+08:00", "utc": "2009-04-08T04:30:29Z", "ms": 1239165028542.519 }, "end": { "local": "2009-04-08T13:18:29+08:00", "utc": "2009-04-08T05:18:29Z", "ms": 1239167908542.519 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-04-09", "window": { "start": { "local": "2009-04-09T12:30:12+08:00", "utc": "2009-04-09T04:30:12Z", "ms": 1239251411957.2856 }, "end": { "local": "2009-04-09T13:18:12+08:00", "utc": "2009-04-09T05:18:12Z", "ms": 1239254291957.2856 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:40 on Wed 8 Apr to 22:56 on Thu 9 Apr.", "fact": "2009-04-08T15:40:28Z → 2009-04-09T14:55:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 8th, 12:30–13:18 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34656 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Zunyi, 2009: Thursday 9 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-09", "confidence": "determinate" } ], "quote": "In Zunyi, Caitrī Pūrṇimā 2009 falls on Thursday 9 April. Pūrṇimā runs from 23:40 on Wed 8 Apr to 22:56 on Thu 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11553, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2009-04-14T03:16:46+08:00", "utc": "2009-04-13T19:16:46Z", "ms": 1239650205605.5906 }, "end": { "local": "2009-05-15T00:10:13+08:00", "utc": "2009-05-14T16:10:13Z", "ms": 1242317413331.6213 } }, "span": { "of": "transit", "start": { "local": "2009-04-14T03:16:46+08:00", "utc": "2009-04-13T19:16:46Z", "ms": 1239650205605.5906 }, "end": { "local": "2009-04-14T03:16:46+08:00", "utc": "2009-04-13T19:16:46Z", "ms": 1239650205605.5906 } }, "kaala": "day", "days": [ { "local_date": "2009-04-13", "window": { "start": { "local": "2009-04-13T06:30:21+08:00", "utc": "2009-04-12T22:30:21Z", "ms": 1239575421324.2915 }, "end": { "local": "2009-04-14T06:29:19+08:00", "utc": "2009-04-13T22:29:19Z", "ms": 1239661758986.6511 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2009-04-14", "window": { "start": { "local": "2009-04-14T06:29:19+08:00", "utc": "2009-04-13T22:29:19Z", "ms": 1239661758986.6511 }, "end": { "local": "2009-04-15T06:28:17+08:00", "utc": "2009-04-14T22:28:17Z", "ms": 1239748097206.2563 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 03:17 on Tue 14 Apr.", "fact": "2009-04-13T19:16:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:30 on the 13th, and from 06:29 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 11553 s" }, { "step": "ruling", "text": "Vaiśākhī, Zunyi, 2009: Monday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2009-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2009-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Zunyi, Vaiśākhī 2009 falls on Monday 13 April. The Sun enters Meṣa at 03:17 on Tue 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-04-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6336, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-04-12T23:49:17+08:00", "utc": "2009-04-12T15:49:17Z", "ms": 1239551357379.5718 }, "end": { "local": "2009-04-14T01:18:32+08:00", "utc": "2009-04-13T17:18:32Z", "ms": 1239643112281.389 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-12T23:49:17+08:00", "utc": "2009-04-12T15:49:17Z", "ms": 1239551357379.5718 }, "end": { "local": "2009-04-14T01:18:32+08:00", "utc": "2009-04-13T17:18:32Z", "ms": 1239643112281.389 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-04-12", "window": { "start": { "local": "2009-04-12T22:03:41+08:00", "utc": "2009-04-12T14:03:41Z", "ms": 1239545021149.8198 }, "end": { "local": "2009-04-12T22:03:41+08:00", "utc": "2009-04-12T14:03:41Z", "ms": 1239545021149.8198 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-04-13", "window": { "start": { "local": "2009-04-13T23:00:24+08:00", "utc": "2009-04-13T15:00:24Z", "ms": 1239634824274.2043 }, "end": { "local": "2009-04-13T23:00:24+08:00", "utc": "2009-04-13T15:00:24Z", "ms": 1239634824274.2043 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:49 on Sun 12 Apr to 01:19 on Tue 14 Apr.", "fact": "2009-04-12T15:49:17Z → 2009-04-13T17:18:32Z" }, { "step": "kaala", "text": "Moonrise is at 22:04 on the 12th and 23:00 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6336 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Monday 13 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": "2009-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-13", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Monday 13 April. Caturthī runs from 23:49 on Sun 12 Apr to 01:19 on Tue 14 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-04-21", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29313, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-04-20T14:31:51+08:00", "utc": "2009-04-20T06:31:51Z", "ms": 1240209110919.5767 }, "end": { "local": "2009-04-21T15:22:21+08:00", "utc": "2009-04-21T07:22:21Z", "ms": 1240298540703.9102 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-20T14:31:51+08:00", "utc": "2009-04-20T06:31:51Z", "ms": 1240209110919.5767 }, "end": { "local": "2009-04-21T15:22:21+08:00", "utc": "2009-04-21T07:22:21Z", "ms": 1240298540703.9102 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-04-20", "window": { "start": { "local": "2009-04-20T06:23:18+08:00", "utc": "2009-04-19T22:23:18Z", "ms": 1240179797608.7305 }, "end": { "local": "2009-04-20T06:23:18+08:00", "utc": "2009-04-19T22:23:18Z", "ms": 1240179797608.7305 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-04-21", "window": { "start": { "local": "2009-04-21T06:22:20+08:00", "utc": "2009-04-20T22:22:20Z", "ms": 1240266139732.529 }, "end": { "local": "2009-04-21T06:22:20+08:00", "utc": "2009-04-20T22:22:20Z", "ms": 1240266139732.529 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:32 on Mon 20 Apr to 15:22 on Tue 21 Apr.", "fact": "2009-04-20T06:31:51Z → 2009-04-21T07:22:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 20th and 06:22 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29313 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Zunyi, 2009: Tuesday 21 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": "2009-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-21", "confidence": "determinate" } ], "quote": "In Zunyi, Varūthinī Ekādaśī 2009 falls on Tuesday 21 April. Ekādaśī runs from 14:32 on Mon 20 Apr to 15:22 on Tue 21 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-04-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14103, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-04-22T15:25:47+08:00", "utc": "2009-04-22T07:25:47Z", "ms": 1240385146783.7727 }, "end": { "local": "2009-04-23T14:43:17+08:00", "utc": "2009-04-23T06:43:17Z", "ms": 1240468997143.7222 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-22T15:25:47+08:00", "utc": "2009-04-22T07:25:47Z", "ms": 1240385146783.7727 }, "end": { "local": "2009-04-23T14:43:17+08:00", "utc": "2009-04-23T06:43:17Z", "ms": 1240468997143.7222 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-04-22", "window": { "start": { "local": "2009-04-22T19:20:50+08:00", "utc": "2009-04-22T11:20:50Z", "ms": 1240399249526.263 }, "end": { "local": "2009-04-22T20:48:46+08:00", "utc": "2009-04-22T12:48:46Z", "ms": 1240404526418.8552 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2009-04-23", "window": { "start": { "local": "2009-04-23T19:21:23+08:00", "utc": "2009-04-23T11:21:23Z", "ms": 1240485682992.0288 }, "end": { "local": "2009-04-23T20:49:08+08:00", "utc": "2009-04-23T12:49:08Z", "ms": 1240490948010.4958 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:26 on Wed 22 Apr to 14:43 on Thu 23 Apr.", "fact": "2009-04-22T07:25:47Z → 2009-04-23T06:43:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:21–20:49 on the 22nd, 19:21–20:49 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 88 of 88 minutes on the 22nd and 0 of 88 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 14103 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Wednesday 22 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": "2009-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-22", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Wednesday 22 April. Trayodaśī runs from 15:26 on Wed 22 Apr to 14:43 on Thu 23 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-04-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34990, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-04-23T14:43:17+08:00", "utc": "2009-04-23T06:43:17Z", "ms": 1240468997143.7222 }, "end": { "local": "2009-04-24T13:19:45+08:00", "utc": "2009-04-24T05:19:45Z", "ms": 1240550384889.838 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-23T14:43:17+08:00", "utc": "2009-04-23T06:43:17Z", "ms": 1240468997143.7222 }, "end": { "local": "2009-04-24T13:19:45+08:00", "utc": "2009-04-24T05:19:45Z", "ms": 1240550384889.838 } }, "kaala": "nishita", "days": [ { "local_date": "2009-04-23", "window": { "start": { "local": "2009-04-24T00:26:27+08:00", "utc": "2009-04-23T16:26:27Z", "ms": 1240503986811.2803 }, "end": { "local": "2009-04-24T01:14:27+08:00", "utc": "2009-04-23T17:14:27Z", "ms": 1240506866811.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-04-24", "window": { "start": { "local": "2009-04-25T00:26:16+08:00", "utc": "2009-04-24T16:26:16Z", "ms": 1240590376227.2056 }, "end": { "local": "2009-04-25T01:14:16+08:00", "utc": "2009-04-24T17:14:16Z", "ms": 1240593256227.2056 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:43 on Thu 23 Apr to 13:20 on Fri 24 Apr.", "fact": "2009-04-23T06:43:17Z → 2009-04-24T05:19:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 23rd, 00:26–01:14 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34990 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Thursday 23 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": "2009-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Thursday 23 April. Caturdaśī runs from 14:43 on Thu 23 Apr to 13:20 on Fri 24 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 339, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-04-27T06:22:27+08:00", "utc": "2009-04-26T22:22:27Z", "ms": 1240784547357.2734 }, "end": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-27T06:22:27+08:00", "utc": "2009-04-26T22:22:27Z", "ms": 1240784547357.2734 }, "end": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 } }, "kaala": "purvahna", "days": [ { "local_date": "2009-04-27", "window": { "start": { "local": "2009-04-27T06:16:49+08:00", "utc": "2009-04-26T22:16:49Z", "ms": 1240784208773.2183 }, "end": { "local": "2009-04-27T10:39:05+08:00", "utc": "2009-04-27T02:39:05Z", "ms": 1240799945279.9495 } }, "covered_min": 257, "window_min": 262, "qualifies": true }, { "local_date": "2009-04-28", "window": { "start": { "local": "2009-04-28T06:15:57+08:00", "utc": "2009-04-27T22:15:57Z", "ms": 1240870556523.1511 }, "end": { "local": "2009-04-28T10:38:42+08:00", "utc": "2009-04-28T02:38:42Z", "ms": 1240886321828.095 } }, "covered_min": 0, "window_min": 263, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:22 on Mon 27 Apr to 03:37 on Tue 28 Apr.", "fact": "2009-04-26T22:22:27Z → 2009-04-27T19:37:25Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:17–10:39 on the 27th, 06:16–10:39 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 257 of 262 minutes on the 27th and 0 of 263 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 339 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Zunyi, 2009: Monday 27 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": "2009-04-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-27", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Tṛtīyā 2009 falls on Monday 27 April. Tṛtīyā runs from 06:22 on Mon 27 Apr to 03:37 on Tue 28 Apr and covers 257 of 262 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24408, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-04-27T06:22:27+08:00", "utc": "2009-04-26T22:22:27Z", "ms": 1240784547357.2734 }, "end": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-27T06:22:27+08:00", "utc": "2009-04-26T22:22:27Z", "ms": 1240784547357.2734 }, "end": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-04-26", "window": { "start": { "local": "2009-04-26T19:23:04+08:00", "utc": "2009-04-26T11:23:04Z", "ms": 1240744984267.311 }, "end": { "local": "2009-04-26T20:50:14+08:00", "utc": "2009-04-26T12:50:14Z", "ms": 1240750214201.432 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2009-04-27", "window": { "start": { "local": "2009-04-27T19:23:38+08:00", "utc": "2009-04-27T11:23:38Z", "ms": 1240831418293.4119 }, "end": { "local": "2009-04-27T20:50:37+08:00", "utc": "2009-04-27T12:50:37Z", "ms": 1240836636724.0437 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:22 on Mon 27 Apr to 03:37 on Tue 28 Apr.", "fact": "2009-04-26T22:22:27Z → 2009-04-27T19:37:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:50 on the 26th, 19:24–20:51 on the 27th.", "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 26th and 87 of 87 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: paraviddha → only-day · margin 24408 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Zunyi, 2009: Monday 27 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": "2009-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-27", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Jayantī 2009 falls on Monday 27 April. Tṛtīyā runs from 06:22 on Mon 27 Apr to 03:37 on Tue 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-04-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31720, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 }, "end": { "local": "2009-04-29T00:53:08+08:00", "utc": "2009-04-28T16:53:08Z", "ms": 1240937588383.5596 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-28T03:37:25+08:00", "utc": "2009-04-27T19:37:25Z", "ms": 1240861044951.131 }, "end": { "local": "2009-04-29T00:53:08+08:00", "utc": "2009-04-28T16:53:08Z", "ms": 1240937588383.5596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-28", "window": { "start": { "local": "2009-04-28T12:26:04+08:00", "utc": "2009-04-28T04:26:04Z", "ms": 1240892764480.567 }, "end": { "local": "2009-04-28T13:14:04+08:00", "utc": "2009-04-28T05:14:04Z", "ms": 1240895644480.567 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-04-29", "window": { "start": { "local": "2009-04-29T12:25:56+08:00", "utc": "2009-04-29T04:25:56Z", "ms": 1240979155923.45 }, "end": { "local": "2009-04-29T13:13:56+08:00", "utc": "2009-04-29T05:13:56Z", "ms": 1240982035923.45 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:37 on Tue 28 Apr to 00:53 on Wed 29 Apr.", "fact": "2009-04-27T19:37:25Z → 2009-04-28T16:53:08Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31720 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Tuesday 28 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": "2009-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-28", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Tuesday 28 April. Caturthī runs from 03:37 on Tue 28 Apr to 00:53 on Wed 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32533, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-04-29T00:53:08+08:00", "utc": "2009-04-28T16:53:08Z", "ms": 1240937588383.5596 }, "end": { "local": "2009-04-29T22:16:09+08:00", "utc": "2009-04-29T14:16:09Z", "ms": 1241014569227.2283 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-29T00:53:08+08:00", "utc": "2009-04-28T16:53:08Z", "ms": 1240937588383.5596 }, "end": { "local": "2009-04-29T22:16:09+08:00", "utc": "2009-04-29T14:16:09Z", "ms": 1241014569227.2283 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-28", "window": { "start": { "local": "2009-04-28T12:26:04+08:00", "utc": "2009-04-28T04:26:04Z", "ms": 1240892764480.567 }, "end": { "local": "2009-04-28T13:14:04+08:00", "utc": "2009-04-28T05:14:04Z", "ms": 1240895644480.567 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-04-29", "window": { "start": { "local": "2009-04-29T12:25:56+08:00", "utc": "2009-04-29T04:25:56Z", "ms": 1240979155923.45 }, "end": { "local": "2009-04-29T13:13:56+08:00", "utc": "2009-04-29T05:13:56Z", "ms": 1240982035923.45 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:53 on Wed 29 Apr to 22:16 on Wed 29 Apr.", "fact": "2009-04-28T16:53:08Z → 2009-04-29T14:16:09Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32533 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Zunyi, 2009: Wednesday 29 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": "2009-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-04-29", "confidence": "determinate" } ], "quote": "In Zunyi, Śaṅkara Jayantī 2009 falls on Wednesday 29 April. Pañcamī runs from 00:53 on Wed 29 Apr to 22:16 on Wed 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16118, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-04-30T19:51:25+08:00", "utc": "2009-04-30T11:51:25Z", "ms": 1241092285427.9727 }, "end": { "local": "2009-05-01T17:42:18+08:00", "utc": "2009-05-01T09:42:18Z", "ms": 1241170937853.0393 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-04-30T19:51:25+08:00", "utc": "2009-04-30T11:51:25Z", "ms": 1241092285427.9727 }, "end": { "local": "2009-05-01T17:42:18+08:00", "utc": "2009-05-01T09:42:18Z", "ms": 1241170937853.0393 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-04-30", "window": { "start": { "local": "2009-04-30T12:25:48+08:00", "utc": "2009-04-30T04:25:48Z", "ms": 1241065547866.7295 }, "end": { "local": "2009-04-30T13:13:48+08:00", "utc": "2009-04-30T05:13:48Z", "ms": 1241068427866.7295 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-05-01", "window": { "start": { "local": "2009-05-01T12:25:40+08:00", "utc": "2009-05-01T04:25:40Z", "ms": 1241151940315.7205 }, "end": { "local": "2009-05-01T13:13:40+08:00", "utc": "2009-05-01T05:13:40Z", "ms": 1241154820315.7205 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:51 on Thu 30 Apr to 17:42 on Fri 1 May.", "fact": "2009-04-30T11:51:25Z → 2009-05-01T09:42:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 30th, 12:26–13:14 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16118 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Zunyi, 2009: Friday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-01", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṅgotpatti (Ganga Saptami) 2009 falls on Friday 1 May. Saptamī runs from 19:51 on Thu 30 Apr to 17:42 on Fri 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-05-05", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21397, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-05-04T13:02:39+08:00", "utc": "2009-05-04T05:02:39Z", "ms": 1241413358822.972 }, "end": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-04T13:02:39+08:00", "utc": "2009-05-04T05:02:39Z", "ms": 1241413358822.972 }, "end": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-05-04", "window": { "start": { "local": "2009-05-04T06:11:02+08:00", "utc": "2009-05-03T22:11:02Z", "ms": 1241388662261.3481 }, "end": { "local": "2009-05-04T06:11:02+08:00", "utc": "2009-05-03T22:11:02Z", "ms": 1241388662261.3481 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-05-05", "window": { "start": { "local": "2009-05-05T06:10:17+08:00", "utc": "2009-05-04T22:10:17Z", "ms": 1241475016618.259 }, "end": { "local": "2009-05-05T06:10:17+08:00", "utc": "2009-05-04T22:10:17Z", "ms": 1241475016618.259 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:03 on Mon 4 May to 12:07 on Tue 5 May.", "fact": "2009-05-04T05:02:39Z → 2009-05-05T04:06:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 4th and 06:10 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "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 21397 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Zunyi, 2009: Tuesday 5 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": "2009-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-05", "confidence": "determinate" } ], "quote": "In Zunyi, Mohinī Ekādaśī 2009 falls on Tuesday 5 May. Ekādaśī runs from 13:03 on Mon 4 May to 12:07 on Tue 5 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1102, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 }, "end": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 }, "end": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-05", "window": { "start": { "local": "2009-05-05T12:25:15+08:00", "utc": "2009-05-05T04:25:15Z", "ms": 1241497515297.812 }, "end": { "local": "2009-05-05T13:13:15+08:00", "utc": "2009-05-05T05:13:15Z", "ms": 1241500395297.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-06", "window": { "start": { "local": "2009-05-06T12:25:10+08:00", "utc": "2009-05-06T04:25:10Z", "ms": 1241583910375.8198 }, "end": { "local": "2009-05-06T13:13:10+08:00", "utc": "2009-05-06T05:13:10Z", "ms": 1241586790375.8198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:07 on Tue 5 May to 11:31 on Wed 6 May.", "fact": "2009-05-05T04:06:53Z → 2009-05-06T03:30:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 5th, 12:25–13:13 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1102 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Zunyi, 2009: Tuesday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-05", "confidence": "boundary" } ], "quote": "In Zunyi, Paraśurāma Dvādaśī 2009 falls on Tuesday 5 May. Dvādaśī runs from 12:07 on Tue 5 May to 11:31 on Wed 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1102, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 }, "end": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-05T12:06:53+08:00", "utc": "2009-05-05T04:06:53Z", "ms": 1241496413373.6267 }, "end": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-05", "window": { "start": { "local": "2009-05-05T12:25:15+08:00", "utc": "2009-05-05T04:25:15Z", "ms": 1241497515297.812 }, "end": { "local": "2009-05-05T13:13:15+08:00", "utc": "2009-05-05T05:13:15Z", "ms": 1241500395297.812 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-06", "window": { "start": { "local": "2009-05-06T12:25:10+08:00", "utc": "2009-05-06T04:25:10Z", "ms": 1241583910375.8198 }, "end": { "local": "2009-05-06T13:13:10+08:00", "utc": "2009-05-06T05:13:10Z", "ms": 1241586790375.8198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:07 on Tue 5 May to 11:31 on Wed 6 May.", "fact": "2009-05-05T04:06:53Z → 2009-05-06T03:30:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 5th, 12:25–13:13 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1102 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Zunyi, 2009: Tuesday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-05", "confidence": "boundary" } ], "quote": "In Zunyi, Rukmiṇī Dvādaśī 2009 falls on Tuesday 5 May. Dvādaśī runs from 12:07 on Tue 5 May to 11:31 on Wed 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-05-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28672, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 }, "end": { "local": "2009-05-07T11:16:28+08:00", "utc": "2009-05-07T03:16:28Z", "ms": 1241666188260.5178 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-06T11:30:57+08:00", "utc": "2009-05-06T03:30:57Z", "ms": 1241580657137.788 }, "end": { "local": "2009-05-07T11:16:28+08:00", "utc": "2009-05-07T03:16:28Z", "ms": 1241666188260.5178 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-05-06", "window": { "start": { "local": "2009-05-06T19:28:49+08:00", "utc": "2009-05-06T11:28:49Z", "ms": 1241609328747.1572 }, "end": { "local": "2009-05-06T20:54:09+08:00", "utc": "2009-05-06T12:54:09Z", "ms": 1241614448706.4558 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2009-05-07", "window": { "start": { "local": "2009-05-07T19:29:24+08:00", "utc": "2009-05-07T11:29:24Z", "ms": 1241695763560.8994 }, "end": { "local": "2009-05-07T20:54:33+08:00", "utc": "2009-05-07T12:54:33Z", "ms": 1241700873213.0776 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:31 on Wed 6 May to 11:16 on Thu 7 May.", "fact": "2009-05-06T03:30:57Z → 2009-05-07T03:16:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:54 on the 6th, 19:29–20:55 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 85 of 85 minutes on the 6th and 0 of 85 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 28672 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Wednesday 6 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": "2009-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-06", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Wednesday 6 May. Trayodaśī runs from 11:31 on Wed 6 May to 11:16 on Thu 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29053, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-05-07T11:16:28+08:00", "utc": "2009-05-07T03:16:28Z", "ms": 1241666188260.5178 }, "end": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-07T11:16:28+08:00", "utc": "2009-05-07T03:16:28Z", "ms": 1241666188260.5178 }, "end": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-05-07", "window": { "start": { "local": "2009-05-07T19:29:24+08:00", "utc": "2009-05-07T11:29:24Z", "ms": 1241695763560.8994 }, "end": { "local": "2009-05-07T20:54:33+08:00", "utc": "2009-05-07T12:54:33Z", "ms": 1241700873213.0776 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2009-05-08", "window": { "start": { "local": "2009-05-08T19:29:58+08:00", "utc": "2009-05-08T11:29:58Z", "ms": 1241782198410.3984 }, "end": { "local": "2009-05-08T20:54:58+08:00", "utc": "2009-05-08T12:54:58Z", "ms": 1241787297896.6094 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:16 on Thu 7 May to 11:26 on Fri 8 May.", "fact": "2009-05-07T03:16:28Z → 2009-05-08T03:25:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:55 on the 7th, 19:30–20:55 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 7th and 0 of 85 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29053 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Zunyi, 2009: Thursday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-07", "confidence": "determinate" } ], "quote": "In Zunyi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2009 falls on Thursday 7 May. Caturdaśī runs from 11:16 on Thu 7 May to 11:26 on Fri 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1414, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 }, "end": { "local": "2009-05-09T12:01:25+08:00", "utc": "2009-05-09T04:01:25Z", "ms": 1241841684766.089 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 }, "end": { "local": "2009-05-09T12:01:25+08:00", "utc": "2009-05-09T04:01:25Z", "ms": 1241841684766.089 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-08", "window": { "start": { "local": "2009-05-08T12:25:02+08:00", "utc": "2009-05-08T04:25:02Z", "ms": 1241756702181.3174 }, "end": { "local": "2009-05-08T13:13:02+08:00", "utc": "2009-05-08T05:13:02Z", "ms": 1241759582181.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-09", "window": { "start": { "local": "2009-05-09T12:24:59+08:00", "utc": "2009-05-09T04:24:59Z", "ms": 1241843098921.7266 }, "end": { "local": "2009-05-09T13:12:59+08:00", "utc": "2009-05-09T05:12:59Z", "ms": 1241845978921.7266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May.", "fact": "2009-05-08T03:25:46Z → 2009-05-09T04:01:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 8th, 12:25–13:13 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1414 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Zunyi, 2009: Friday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-08", "confidence": "boundary" } ], "quote": "In Zunyi, Buddha Pūrṇimā 2009 falls on Friday 8 May. Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1414, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 }, "end": { "local": "2009-05-09T12:01:25+08:00", "utc": "2009-05-09T04:01:25Z", "ms": 1241841684766.089 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-08T11:25:46+08:00", "utc": "2009-05-08T03:25:46Z", "ms": 1241753145906.9424 }, "end": { "local": "2009-05-09T12:01:25+08:00", "utc": "2009-05-09T04:01:25Z", "ms": 1241841684766.089 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-08", "window": { "start": { "local": "2009-05-08T12:25:02+08:00", "utc": "2009-05-08T04:25:02Z", "ms": 1241756702181.3174 }, "end": { "local": "2009-05-08T13:13:02+08:00", "utc": "2009-05-08T05:13:02Z", "ms": 1241759582181.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-09", "window": { "start": { "local": "2009-05-09T12:24:59+08:00", "utc": "2009-05-09T04:24:59Z", "ms": 1241843098921.7266 }, "end": { "local": "2009-05-09T13:12:59+08:00", "utc": "2009-05-09T05:12:59Z", "ms": 1241845978921.7266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May.", "fact": "2009-05-08T03:25:46Z → 2009-05-09T04:01:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 8th, 12:25–13:13 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1414 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Zunyi, 2009: Friday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-09", "confidence": "boundary" } ], "quote": "In Zunyi, Sampat Gaurī Vrata 2009 falls on Friday 8 May. Pūrṇimā runs from 11:26 on Fri 8 May to 12:01 on Sat 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-05-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15591, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-05-12T16:38:55+08:00", "utc": "2009-05-12T08:38:55Z", "ms": 1242117534508.8293 }, "end": { "local": "2009-05-13T19:00:48+08:00", "utc": "2009-05-13T11:00:48Z", "ms": 1242212448093.743 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-12T16:38:55+08:00", "utc": "2009-05-12T08:38:55Z", "ms": 1242117534508.8293 }, "end": { "local": "2009-05-13T19:00:48+08:00", "utc": "2009-05-13T11:00:48Z", "ms": 1242212448093.743 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-05-12", "window": { "start": { "local": "2009-05-12T22:35:12+08:00", "utc": "2009-05-12T14:35:12Z", "ms": 1242138911638.142 }, "end": { "local": "2009-05-12T22:35:12+08:00", "utc": "2009-05-12T14:35:12Z", "ms": 1242138911638.142 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-05-13", "window": { "start": { "local": "2009-05-13T23:20:40+08:00", "utc": "2009-05-13T15:20:40Z", "ms": 1242228039543.511 }, "end": { "local": "2009-05-13T23:20:40+08:00", "utc": "2009-05-13T15:20:40Z", "ms": 1242228039543.511 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:39 on Tue 12 May to 19:01 on Wed 13 May.", "fact": "2009-05-12T08:38:55Z → 2009-05-13T11:00:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:35 on the 12th and 23:21 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15591 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Tuesday 12 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": "2009-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Tuesday 12 May. Caturthī runs from 16:39 on Tue 12 May to 19:01 on Wed 13 May and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-05-20", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1076, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-05-20T05:43:11+08:00", "utc": "2009-05-19T21:43:11Z", "ms": 1242769391091.8086 }, "end": { "local": "2009-05-21T05:11:54+08:00", "utc": "2009-05-20T21:11:54Z", "ms": 1242853914050.5854 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-20T05:43:11+08:00", "utc": "2009-05-19T21:43:11Z", "ms": 1242769391091.8086 }, "end": { "local": "2009-05-21T05:11:54+08:00", "utc": "2009-05-20T21:11:54Z", "ms": 1242853914050.5854 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-05-20", "window": { "start": { "local": "2009-05-20T06:01:07+08:00", "utc": "2009-05-19T22:01:07Z", "ms": 1242770467002.205 }, "end": { "local": "2009-05-20T06:01:07+08:00", "utc": "2009-05-19T22:01:07Z", "ms": 1242770467002.205 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-05-21", "window": { "start": { "local": "2009-05-21T06:00:40+08:00", "utc": "2009-05-20T22:00:40Z", "ms": 1242856840176.4778 }, "end": { "local": "2009-05-21T06:00:40+08:00", "utc": "2009-05-20T22:00:40Z", "ms": 1242856840176.4778 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:43 on Wed 20 May to 05:12 on Thu 21 May.", "fact": "2009-05-19T21:43:11Z → 2009-05-20T21:11:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 20th and 06:01 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1076 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Zunyi, 2009: Wednesday 20 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": "2009-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-20", "confidence": "determinate" } ], "quote": "In Zunyi, Aparā Ekādaśī 2009 falls on Wednesday 20 May. Ekādaśī runs from 05:43 on Wed 20 May to 05:12 on Thu 21 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-05-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17327, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-05-22T03:52:09+08:00", "utc": "2009-05-21T19:52:09Z", "ms": 1242935529351.071 }, "end": { "local": "2009-05-23T01:49:44+08:00", "utc": "2009-05-22T17:49:44Z", "ms": 1243014584368.6877 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-22T03:52:09+08:00", "utc": "2009-05-21T19:52:09Z", "ms": 1242935529351.071 }, "end": { "local": "2009-05-23T01:49:44+08:00", "utc": "2009-05-22T17:49:44Z", "ms": 1243014584368.6877 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-05-21", "window": { "start": { "local": "2009-05-21T19:37:29+08:00", "utc": "2009-05-21T11:37:29Z", "ms": 1242905848707.0005 }, "end": { "local": "2009-05-21T21:00:31+08:00", "utc": "2009-05-21T13:00:31Z", "ms": 1242910830833.0938 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2009-05-22", "window": { "start": { "local": "2009-05-22T19:38:02+08:00", "utc": "2009-05-22T11:38:02Z", "ms": 1242992282478.6895 }, "end": { "local": "2009-05-22T21:00:57+08:00", "utc": "2009-05-22T13:00:57Z", "ms": 1242997256873.116 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:52 on Fri 22 May to 01:50 on Sat 23 May.", "fact": "2009-05-21T19:52:09Z → 2009-05-22T17:49:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–21:01 on the 21st, 19:38–21:01 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 21st and 83 of 83 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 17327 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Friday 22 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": "2009-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-22", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Friday 22 May. Trayodaśī runs from 03:52 on Fri 22 May to 01:50 on Sat 23 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-05-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-22", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2208, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-05-23T01:49:44+08:00", "utc": "2009-05-22T17:49:44Z", "ms": 1243014584368.6877 }, "end": { "local": "2009-05-23T23:12:50+08:00", "utc": "2009-05-23T15:12:50Z", "ms": 1243091570491.4558 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-23T01:49:44+08:00", "utc": "2009-05-22T17:49:44Z", "ms": 1243014584368.6877 }, "end": { "local": "2009-05-23T23:12:50+08:00", "utc": "2009-05-23T15:12:50Z", "ms": 1243091570491.4558 } }, "kaala": "nishita", "days": [ { "local_date": "2009-05-22", "window": { "start": { "local": "2009-05-23T00:24:56+08:00", "utc": "2009-05-22T16:24:56Z", "ms": 1243009496457.7893 }, "end": { "local": "2009-05-23T01:12:56+08:00", "utc": "2009-05-22T17:12:56Z", "ms": 1243012376457.7893 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-05-23", "window": { "start": { "local": "2009-05-24T00:25:02+08:00", "utc": "2009-05-23T16:25:02Z", "ms": 1243095901768.379 }, "end": { "local": "2009-05-24T01:13:02+08:00", "utc": "2009-05-23T17:13:02Z", "ms": 1243098781768.379 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:50 on Sat 23 May to 23:13 on Sat 23 May.", "fact": "2009-05-22T17:49:44Z → 2009-05-23T15:12:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 22nd, 00:25–01:13 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "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 2208 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Friday 22 May.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-22", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Friday 22 May. Caturdaśī runs from 01:50 on Sat 23 May to 23:13 on Sat 23 May, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1134, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-05-26T13:32:24+08:00", "utc": "2009-05-26T05:32:24Z", "ms": 1243315944140.6577 }, "end": { "local": "2009-05-27T10:14:45+08:00", "utc": "2009-05-27T02:14:45Z", "ms": 1243390485072.8613 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-26T13:32:24+08:00", "utc": "2009-05-26T05:32:24Z", "ms": 1243315944140.6577 }, "end": { "local": "2009-05-27T10:14:45+08:00", "utc": "2009-05-27T02:14:45Z", "ms": 1243390485072.8613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-26", "window": { "start": { "local": "2009-05-26T12:25:30+08:00", "utc": "2009-05-26T04:25:30Z", "ms": 1243311930223.8665 }, "end": { "local": "2009-05-26T13:13:30+08:00", "utc": "2009-05-26T05:13:30Z", "ms": 1243314810223.8665 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-05-27", "window": { "start": { "local": "2009-05-27T12:25:37+08:00", "utc": "2009-05-27T04:25:37Z", "ms": 1243398336848.9915 }, "end": { "local": "2009-05-27T13:13:37+08:00", "utc": "2009-05-27T05:13:37Z", "ms": 1243401216848.9915 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:32 on Tue 26 May to 10:15 on Wed 27 May.", "fact": "2009-05-26T05:32:24Z → 2009-05-27T02:14:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 26th, 12:26–13:14 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1134 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Zunyi, 2009: Wednesday 27 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-26", "confidence": "determinate" } ], "quote": "In Zunyi, Rambhā Tṛtīyā 2009 falls on Wednesday 27 May. Tṛtīyā runs from 13:32 on Tue 26 May to 10:15 on Wed 27 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-05-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7852, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-05-27T10:14:45+08:00", "utc": "2009-05-27T02:14:45Z", "ms": 1243390485072.8613 }, "end": { "local": "2009-05-28T07:09:27+08:00", "utc": "2009-05-27T23:09:27Z", "ms": 1243465767298.6848 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-27T10:14:45+08:00", "utc": "2009-05-27T02:14:45Z", "ms": 1243390485072.8613 }, "end": { "local": "2009-05-28T07:09:27+08:00", "utc": "2009-05-27T23:09:27Z", "ms": 1243465767298.6848 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-27", "window": { "start": { "local": "2009-05-27T12:25:37+08:00", "utc": "2009-05-27T04:25:37Z", "ms": 1243398336848.9915 }, "end": { "local": "2009-05-27T13:13:37+08:00", "utc": "2009-05-27T05:13:37Z", "ms": 1243401216848.9915 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-28", "window": { "start": { "local": "2009-05-28T12:25:44+08:00", "utc": "2009-05-28T04:25:44Z", "ms": 1243484743923.4048 }, "end": { "local": "2009-05-28T13:13:44+08:00", "utc": "2009-05-28T05:13:44Z", "ms": 1243487623923.4048 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:15 on Wed 27 May to 07:09 on Thu 28 May.", "fact": "2009-05-27T02:14:45Z → 2009-05-27T23:09:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 27th, 12:26–13:14 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7852 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Wednesday 27 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": "2009-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-27", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Wednesday 27 May. Caturthī runs from 10:15 on Wed 27 May to 07:09 on Thu 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28951, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-05-29T04:23:21+08:00", "utc": "2009-05-28T20:23:21Z", "ms": 1243542200532.394 }, "end": { "local": "2009-05-30T02:01:39+08:00", "utc": "2009-05-29T18:01:39Z", "ms": 1243620099205.5596 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-29T04:23:21+08:00", "utc": "2009-05-28T20:23:21Z", "ms": 1243542200532.394 }, "end": { "local": "2009-05-30T02:01:39+08:00", "utc": "2009-05-29T18:01:39Z", "ms": 1243620099205.5596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-29", "window": { "start": { "local": "2009-05-29T12:25:51+08:00", "utc": "2009-05-29T04:25:51Z", "ms": 1243571151429.9146 }, "end": { "local": "2009-05-29T13:13:51+08:00", "utc": "2009-05-29T05:13:51Z", "ms": 1243574031429.9146 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-30", "window": { "start": { "local": "2009-05-30T12:25:59+08:00", "utc": "2009-05-30T04:25:59Z", "ms": 1243657559352.1099 }, "end": { "local": "2009-05-30T13:13:59+08:00", "utc": "2009-05-30T05:13:59Z", "ms": 1243660439352.1099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:23 on Fri 29 May to 02:02 on Sat 30 May.", "fact": "2009-05-28T20:23:21Z → 2009-05-29T18:01:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 29th, 12:26–13:14 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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 28951 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Zunyi, 2009: Friday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-29", "confidence": "determinate" } ], "quote": "In Zunyi, Araṇya Gaurī Vrata 2009 falls on Friday 29 May. Ṣaṣṭhī runs from 04:23 on Fri 29 May to 02:02 on Sat 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28951, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-05-29T04:23:21+08:00", "utc": "2009-05-28T20:23:21Z", "ms": 1243542200532.394 }, "end": { "local": "2009-05-30T02:01:39+08:00", "utc": "2009-05-29T18:01:39Z", "ms": 1243620099205.5596 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-05-29T04:23:21+08:00", "utc": "2009-05-28T20:23:21Z", "ms": 1243542200532.394 }, "end": { "local": "2009-05-30T02:01:39+08:00", "utc": "2009-05-29T18:01:39Z", "ms": 1243620099205.5596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-05-29", "window": { "start": { "local": "2009-05-29T12:25:51+08:00", "utc": "2009-05-29T04:25:51Z", "ms": 1243571151429.9146 }, "end": { "local": "2009-05-29T13:13:51+08:00", "utc": "2009-05-29T05:13:51Z", "ms": 1243574031429.9146 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-05-30", "window": { "start": { "local": "2009-05-30T12:25:59+08:00", "utc": "2009-05-30T04:25:59Z", "ms": 1243657559352.1099 }, "end": { "local": "2009-05-30T13:13:59+08:00", "utc": "2009-05-30T05:13:59Z", "ms": 1243660439352.1099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:23 on Fri 29 May to 02:02 on Sat 30 May.", "fact": "2009-05-28T20:23:21Z → 2009-05-29T18:01:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 29th, 12:26–13:14 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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 28951 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Zunyi, 2009: Friday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-05-29", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2009 falls on Friday 29 May. Ṣaṣṭhī runs from 04:23 on Fri 29 May to 02:02 on Sat 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-06-03", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30315, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-06-02T21:26:39+08:00", "utc": "2009-06-02T13:26:39Z", "ms": 1243949199088.2637 }, "end": { "local": "2009-06-03T21:31:27+08:00", "utc": "2009-06-03T13:31:27Z", "ms": 1244035887462.686 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-02T21:26:39+08:00", "utc": "2009-06-02T13:26:39Z", "ms": 1243949199088.2637 }, "end": { "local": "2009-06-03T21:31:27+08:00", "utc": "2009-06-03T13:31:27Z", "ms": 1244035887462.686 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-06-03", "window": { "start": { "local": "2009-06-03T05:56:51+08:00", "utc": "2009-06-02T21:56:51Z", "ms": 1243979810579.6382 }, "end": { "local": "2009-06-03T05:56:51+08:00", "utc": "2009-06-02T21:56:51Z", "ms": 1243979810579.6382 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-06-04", "window": { "start": { "local": "2009-06-04T05:56:42+08:00", "utc": "2009-06-03T21:56:42Z", "ms": 1244066202064.7725 }, "end": { "local": "2009-06-04T05:56:42+08:00", "utc": "2009-06-03T21:56:42Z", "ms": 1244066202064.7725 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:27 on Tue 2 Jun to 21:31 on Wed 3 Jun.", "fact": "2009-06-02T13:26:39Z → 2009-06-03T13:31:27Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 3rd and 05:57 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 30315 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Zunyi, 2009: Wednesday 3 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": "2009-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-03", "confidence": "determinate" } ], "quote": "In Zunyi, Nirjalā Ekādaśī 2009 falls on Wednesday 3 June. Ekādaśī runs from 21:27 on Tue 2 Jun to 21:31 on Wed 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29813, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-06-03T21:31:27+08:00", "utc": "2009-06-03T13:31:27Z", "ms": 1244035887462.686 }, "end": { "local": "2009-06-04T22:03:37+08:00", "utc": "2009-06-04T14:03:37Z", "ms": 1244124217145.646 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-03T21:31:27+08:00", "utc": "2009-06-03T13:31:27Z", "ms": 1244035887462.686 }, "end": { "local": "2009-06-04T22:03:37+08:00", "utc": "2009-06-04T14:03:37Z", "ms": 1244124217145.646 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-06-03", "window": { "start": { "local": "2009-06-03T12:26:35+08:00", "utc": "2009-06-03T04:26:35Z", "ms": 1244003194891.2158 }, "end": { "local": "2009-06-03T13:14:35+08:00", "utc": "2009-06-03T05:14:35Z", "ms": 1244006074891.2158 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-06-04", "window": { "start": { "local": "2009-06-04T12:26:45+08:00", "utc": "2009-06-04T04:26:45Z", "ms": 1244089604665.0308 }, "end": { "local": "2009-06-04T13:14:45+08:00", "utc": "2009-06-04T05:14:45Z", "ms": 1244092484665.0308 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:31 on Wed 3 Jun to 22:04 on Thu 4 Jun.", "fact": "2009-06-03T13:31:27Z → 2009-06-04T14:03:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 3rd, 12:27–13:15 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29813 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Zunyi, 2009: Thursday 4 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": "2009-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Rāma Dvādaśī 2009 falls on Thursday 4 June. Dvādaśī runs from 21:31 on Wed 3 Jun to 22:04 on Thu 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-06-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3436, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-06-04T22:03:37+08:00", "utc": "2009-06-04T14:03:37Z", "ms": 1244124217145.646 }, "end": { "local": "2009-06-05T23:01:55+08:00", "utc": "2009-06-05T15:01:55Z", "ms": 1244214115439.623 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-04T22:03:37+08:00", "utc": "2009-06-04T14:03:37Z", "ms": 1244124217145.646 }, "end": { "local": "2009-06-05T23:01:55+08:00", "utc": "2009-06-05T15:01:55Z", "ms": 1244214115439.623 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-06-04", "window": { "start": { "local": "2009-06-04T19:44:47+08:00", "utc": "2009-06-04T11:44:47Z", "ms": 1244115887265.289 }, "end": { "local": "2009-06-04T21:06:22+08:00", "utc": "2009-06-04T13:06:22Z", "ms": 1244120781609.5806 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2009-06-05", "window": { "start": { "local": "2009-06-05T19:45:15+08:00", "utc": "2009-06-05T11:45:15Z", "ms": 1244202314682.717 }, "end": { "local": "2009-06-05T21:06:45+08:00", "utc": "2009-06-05T13:06:45Z", "ms": 1244207204581.5566 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:04 on Thu 4 Jun to 23:02 on Fri 5 Jun.", "fact": "2009-06-04T14:03:37Z → 2009-06-05T15:01:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:45–21:06 on the 4th, 19:45–21:07 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 4th and 81 of 81 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 3436 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Friday 5 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": "2009-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-05", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Friday 5 June. Trayodaśī runs from 22:04 on Thu 4 Jun to 23:02 on Fri 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11882, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-06-07T00:25:09+08:00", "utc": "2009-06-06T16:25:09Z", "ms": 1244305509415.9858 }, "end": { "local": "2009-06-08T02:11:44+08:00", "utc": "2009-06-07T18:11:44Z", "ms": 1244398303881.74 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-07T00:25:09+08:00", "utc": "2009-06-06T16:25:09Z", "ms": 1244305509415.9858 }, "end": { "local": "2009-06-08T02:11:44+08:00", "utc": "2009-06-07T18:11:44Z", "ms": 1244398303881.74 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-06-06", "window": { "start": { "local": "2009-06-06T19:45:41+08:00", "utc": "2009-06-06T11:45:41Z", "ms": 1244288741428.4692 }, "end": { "local": "2009-06-06T21:07:07+08:00", "utc": "2009-06-06T13:07:07Z", "ms": 1244293627143.319 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2009-06-07", "window": { "start": { "local": "2009-06-07T19:46:07+08:00", "utc": "2009-06-07T11:46:07Z", "ms": 1244375167475.8882 }, "end": { "local": "2009-06-07T21:07:29+08:00", "utc": "2009-06-07T13:07:29Z", "ms": 1244380049271.042 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:25 on Sun 7 Jun to 02:12 on Mon 8 Jun.", "fact": "2009-06-06T16:25:09Z → 2009-06-07T18:11:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:07 on the 6th, 19:46–21:07 on the 7th.", "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 81 minutes on the 6th and 81 of 81 on the 7th.", "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 11882 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Zunyi, 2009: Sunday 7 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": "2009-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-07", "confidence": "determinate" } ], "quote": "In Zunyi, Vaṭa Sāvitrī Vrata 2009 falls on Sunday 7 June. Pūrṇimā runs from 00:25 on Sun 7 Jun to 02:12 on Mon 8 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-06-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40660, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-06-11T09:16:45+08:00", "utc": "2009-06-11T01:16:45Z", "ms": 1244683004940.7332 }, "end": { "local": "2009-06-12T11:51:27+08:00", "utc": "2009-06-12T03:51:27Z", "ms": 1244778687061.8713 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-11T09:16:45+08:00", "utc": "2009-06-11T01:16:45Z", "ms": 1244683004940.7332 }, "end": { "local": "2009-06-12T11:51:27+08:00", "utc": "2009-06-12T03:51:27Z", "ms": 1244778687061.8713 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-06-10", "window": { "start": { "local": "2009-06-10T21:59:05+08:00", "utc": "2009-06-10T13:59:05Z", "ms": 1244642345189.2654 }, "end": { "local": "2009-06-10T21:59:05+08:00", "utc": "2009-06-10T13:59:05Z", "ms": 1244642345189.2654 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-06-11", "window": { "start": { "local": "2009-06-11T22:36:38+08:00", "utc": "2009-06-11T14:36:38Z", "ms": 1244730998143.86 }, "end": { "local": "2009-06-11T22:36:38+08:00", "utc": "2009-06-11T14:36:38Z", "ms": 1244730998143.86 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:17 on Thu 11 Jun to 11:51 on Fri 12 Jun.", "fact": "2009-06-11T01:16:45Z → 2009-06-12T03:51:27Z" }, { "step": "kaala", "text": "Moonrise is at 21:59 on the 10th and 22:37 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40660 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Thursday 11 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": "2009-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-11", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Thursday 11 June. Caturthī runs from 09:17 on Thu 11 Jun to 11:51 on Fri 12 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-06-19", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35831, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-06-18T17:35:00+08:00", "utc": "2009-06-18T09:35:00Z", "ms": 1245317700364.9194 }, "end": { "local": "2009-06-19T15:54:17+08:00", "utc": "2009-06-19T07:54:17Z", "ms": 1245398057391.3137 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-18T17:35:00+08:00", "utc": "2009-06-18T09:35:00Z", "ms": 1245317700364.9194 }, "end": { "local": "2009-06-19T15:54:17+08:00", "utc": "2009-06-19T07:54:17Z", "ms": 1245398057391.3137 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-06-18", "window": { "start": { "local": "2009-06-18T05:56:56+08:00", "utc": "2009-06-17T21:56:56Z", "ms": 1245275816056.8835 }, "end": { "local": "2009-06-18T05:56:56+08:00", "utc": "2009-06-17T21:56:56Z", "ms": 1245275816056.8835 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-06-19", "window": { "start": { "local": "2009-06-19T05:57:06+08:00", "utc": "2009-06-18T21:57:06Z", "ms": 1245362226135.1953 }, "end": { "local": "2009-06-19T05:57:06+08:00", "utc": "2009-06-18T21:57:06Z", "ms": 1245362226135.1953 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:35 on Thu 18 Jun to 15:54 on Fri 19 Jun.", "fact": "2009-06-18T09:35:00Z → 2009-06-19T07:54:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 18th and 05:57 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is 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 35831 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Zunyi, 2009: Friday 19 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": "2009-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-19", "confidence": "determinate" } ], "quote": "In Zunyi, Yoginī Ekādaśī 2009 falls on Friday 19 June. Ekādaśī runs from 17:35 on Thu 18 Jun to 15:54 on Fri 19 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-06-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22737, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-06-20T13:31:33+08:00", "utc": "2009-06-20T05:31:33Z", "ms": 1245475892810.192 }, "end": { "local": "2009-06-21T10:34:32+08:00", "utc": "2009-06-21T02:34:32Z", "ms": 1245551671956.1885 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-20T13:31:33+08:00", "utc": "2009-06-20T05:31:33Z", "ms": 1245475892810.192 }, "end": { "local": "2009-06-21T10:34:32+08:00", "utc": "2009-06-21T02:34:32Z", "ms": 1245551671956.1885 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-06-20", "window": { "start": { "local": "2009-06-20T19:50:30+08:00", "utc": "2009-06-20T11:50:30Z", "ms": 1245498630245.26 }, "end": { "local": "2009-06-20T21:11:26+08:00", "utc": "2009-06-20T13:11:26Z", "ms": 1245503486162.14 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2009-06-21", "window": { "start": { "local": "2009-06-21T19:50:44+08:00", "utc": "2009-06-21T11:50:44Z", "ms": 1245585043674.0164 }, "end": { "local": "2009-06-21T21:11:40+08:00", "utc": "2009-06-21T13:11:40Z", "ms": 1245589899580.946 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:32 on Sat 20 Jun to 10:35 on Sun 21 Jun.", "fact": "2009-06-20T05:31:33Z → 2009-06-21T02:34:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:11 on the 20th, 19:51–21:12 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 81 of 81 minutes on the 20th and 0 of 81 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 22737 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Saturday 20 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": "2009-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-20", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Saturday 20 June. Trayodaśī runs from 13:32 on Sat 20 Jun to 10:35 on Sun 21 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-06-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21250, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-06-21T10:34:32+08:00", "utc": "2009-06-21T02:34:32Z", "ms": 1245551671956.1885 }, "end": { "local": "2009-06-22T07:12:24+08:00", "utc": "2009-06-21T23:12:24Z", "ms": 1245625943517.2874 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-21T10:34:32+08:00", "utc": "2009-06-21T02:34:32Z", "ms": 1245551671956.1885 }, "end": { "local": "2009-06-22T07:12:24+08:00", "utc": "2009-06-21T23:12:24Z", "ms": 1245625943517.2874 } }, "kaala": "nishita", "days": [ { "local_date": "2009-06-20", "window": { "start": { "local": "2009-06-21T00:30:00+08:00", "utc": "2009-06-20T16:30:00Z", "ms": 1245515399933.5596 }, "end": { "local": "2009-06-21T01:18:00+08:00", "utc": "2009-06-20T17:18:00Z", "ms": 1245518279933.5596 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-06-21", "window": { "start": { "local": "2009-06-22T00:30:13+08:00", "utc": "2009-06-21T16:30:13Z", "ms": 1245601813325.003 }, "end": { "local": "2009-06-22T01:18:13+08:00", "utc": "2009-06-21T17:18:13Z", "ms": 1245604693325.003 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:35 on Sun 21 Jun to 07:12 on Mon 22 Jun.", "fact": "2009-06-21T02:34:32Z → 2009-06-21T23:12:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 20th, 00:30–01:18 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21250 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Sunday 21 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": "2009-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-21", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Sunday 21 June. Caturdaśī runs from 10:35 on Sun 21 Jun to 07:12 on Mon 22 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24916, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2009-06-23T23:52:15+08:00", "utc": "2009-06-23T15:52:15Z", "ms": 1245772335110.7375 }, "end": { "local": "2009-06-24T20:14:01+08:00", "utc": "2009-06-24T12:14:01Z", "ms": 1245845641135.1465 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-23T23:52:15+08:00", "utc": "2009-06-23T15:52:15Z", "ms": 1245772335110.7375 }, "end": { "local": "2009-06-24T20:14:01+08:00", "utc": "2009-06-24T12:14:01Z", "ms": 1245845641135.1465 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-06-23", "window": { "start": { "local": "2009-06-23T12:30:32+08:00", "utc": "2009-06-23T04:30:32Z", "ms": 1245731432274.1274 }, "end": { "local": "2009-06-23T13:18:32+08:00", "utc": "2009-06-23T05:18:32Z", "ms": 1245734312274.1274 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-06-24", "window": { "start": { "local": "2009-06-24T12:30:45+08:00", "utc": "2009-06-24T04:30:45Z", "ms": 1245817844981.6978 }, "end": { "local": "2009-06-24T13:18:45+08:00", "utc": "2009-06-24T05:18:45Z", "ms": 1245820724981.6978 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:52 on Tue 23 Jun to 20:14 on Wed 24 Jun.", "fact": "2009-06-23T15:52:15Z → 2009-06-24T12:14:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 23rd, 12:31–13:19 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24916 s" }, { "step": "ruling", "text": "Rathayātrā, Zunyi, 2009: Wednesday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-24", "confidence": "determinate" } ], "quote": "In Zunyi, Rathayātrā 2009 falls on Wednesday 24 June. Dvitīyā runs from 23:52 on Tue 23 Jun to 20:14 on Wed 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-06-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1662, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-06-25T16:49:27+08:00", "utc": "2009-06-25T08:49:27Z", "ms": 1245919767270.2378 }, "end": { "local": "2009-06-26T13:46:52+08:00", "utc": "2009-06-26T05:46:52Z", "ms": 1245995211597.412 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-25T16:49:27+08:00", "utc": "2009-06-25T08:49:27Z", "ms": 1245919767270.2378 }, "end": { "local": "2009-06-26T13:46:52+08:00", "utc": "2009-06-26T05:46:52Z", "ms": 1245995211597.412 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-06-25", "window": { "start": { "local": "2009-06-25T12:30:58+08:00", "utc": "2009-06-25T04:30:58Z", "ms": 1245904257579.3213 }, "end": { "local": "2009-06-25T13:18:58+08:00", "utc": "2009-06-25T05:18:58Z", "ms": 1245907137579.3213 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-06-26", "window": { "start": { "local": "2009-06-26T12:31:10+08:00", "utc": "2009-06-26T04:31:10Z", "ms": 1245990670038.5283 }, "end": { "local": "2009-06-26T13:19:10+08:00", "utc": "2009-06-26T05:19:10Z", "ms": 1245993550038.5283 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:49 on Thu 25 Jun to 13:47 on Fri 26 Jun.", "fact": "2009-06-25T08:49:27Z → 2009-06-26T05:46:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 25th, 12:31–13:19 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1662 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Friday 26 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": "2009-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-26", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Friday 26 June. Caturthī runs from 16:49 on Thu 25 Jun to 13:47 on Fri 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1662, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-06-26T13:46:52+08:00", "utc": "2009-06-26T05:46:52Z", "ms": 1245995211597.412 }, "end": { "local": "2009-06-27T11:13:19+08:00", "utc": "2009-06-27T03:13:19Z", "ms": 1246072399499.6235 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-26T13:46:52+08:00", "utc": "2009-06-26T05:46:52Z", "ms": 1245995211597.412 }, "end": { "local": "2009-06-27T11:13:19+08:00", "utc": "2009-06-27T03:13:19Z", "ms": 1246072399499.6235 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-06-26", "window": { "start": { "local": "2009-06-26T12:31:10+08:00", "utc": "2009-06-26T04:31:10Z", "ms": 1245990670038.5283 }, "end": { "local": "2009-06-26T13:19:10+08:00", "utc": "2009-06-26T05:19:10Z", "ms": 1245993550038.5283 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-06-27", "window": { "start": { "local": "2009-06-27T12:31:22+08:00", "utc": "2009-06-27T04:31:22Z", "ms": 1246077082332.511 }, "end": { "local": "2009-06-27T13:19:22+08:00", "utc": "2009-06-27T05:19:22Z", "ms": 1246079962332.511 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:47 on Fri 26 Jun to 11:13 on Sat 27 Jun.", "fact": "2009-06-26T05:46:52Z → 2009-06-27T03:13:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1662 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Zunyi, 2009: Saturday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-26", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Pañcamī 2009 falls on Saturday 27 June. Pañcamī runs from 13:47 on Fri 26 Jun to 11:13 on Sat 27 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11831, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-06-28T09:14:24+08:00", "utc": "2009-06-28T01:14:24Z", "ms": 1246151663716.878 }, "end": { "local": "2009-06-29T07:53:46+08:00", "utc": "2009-06-28T23:53:46Z", "ms": 1246233226091.2266 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-06-28T09:14:24+08:00", "utc": "2009-06-28T01:14:24Z", "ms": 1246151663716.878 }, "end": { "local": "2009-06-29T07:53:46+08:00", "utc": "2009-06-28T23:53:46Z", "ms": 1246233226091.2266 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-06-28", "window": { "start": { "local": "2009-06-28T12:31:34+08:00", "utc": "2009-06-28T04:31:34Z", "ms": 1246163494436.2825 }, "end": { "local": "2009-06-28T13:19:34+08:00", "utc": "2009-06-28T05:19:34Z", "ms": 1246166374436.2825 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-06-29", "window": { "start": { "local": "2009-06-29T12:31:46+08:00", "utc": "2009-06-29T04:31:46Z", "ms": 1246249906326.5547 }, "end": { "local": "2009-06-29T13:19:46+08:00", "utc": "2009-06-29T05:19:46Z", "ms": 1246252786326.5547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:14 on Sun 28 Jun to 07:54 on Mon 29 Jun.", "fact": "2009-06-28T01:14:24Z → 2009-06-28T23:53:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 28th, 12:32–13:20 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11831 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Zunyi, 2009: Sunday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-06-28", "confidence": "determinate" } ], "quote": "In Zunyi, Vivasvat Saptamī 2009 falls on Sunday 28 June. Saptamī runs from 09:14 on Sun 28 Jun to 07:54 on Mon 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-07-03", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6422, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-07-02T07:47:50+08:00", "utc": "2009-07-01T23:47:50Z", "ms": 1246492070156.2996 }, "end": { "local": "2009-07-03T08:57:02+08:00", "utc": "2009-07-03T00:57:02Z", "ms": 1246582622233.9702 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-02T07:47:50+08:00", "utc": "2009-07-01T23:47:50Z", "ms": 1246492070156.2996 }, "end": { "local": "2009-07-03T08:57:02+08:00", "utc": "2009-07-03T00:57:02Z", "ms": 1246582622233.9702 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-07-02", "window": { "start": { "local": "2009-07-02T06:00:48+08:00", "utc": "2009-07-01T22:00:48Z", "ms": 1246485648170.9236 }, "end": { "local": "2009-07-02T06:00:48+08:00", "utc": "2009-07-01T22:00:48Z", "ms": 1246485648170.9236 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-07-03", "window": { "start": { "local": "2009-07-03T06:01:11+08:00", "utc": "2009-07-02T22:01:11Z", "ms": 1246572071188.513 }, "end": { "local": "2009-07-03T06:01:11+08:00", "utc": "2009-07-02T22:01:11Z", "ms": 1246572071188.513 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:48 on Thu 2 Jul to 08:57 on Fri 3 Jul.", "fact": "2009-07-01T23:47:50Z → 2009-07-03T00:57:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 2nd and 06:01 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6422 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Zunyi, 2009: Friday 3 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": "2009-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-03", "confidence": "determinate" } ], "quote": "In Zunyi, Hariśayanī Ekādaśī 2009 falls on Friday 3 July. Ekādaśī runs from 07:48 on Thu 2 Jul to 08:57 on Fri 3 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-07-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26202, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-07-04T10:34:36+08:00", "utc": "2009-07-04T02:34:36Z", "ms": 1246674875833.1587 }, "end": { "local": "2009-07-05T12:35:03+08:00", "utc": "2009-07-05T04:35:03Z", "ms": 1246768502955.9475 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-04T10:34:36+08:00", "utc": "2009-07-04T02:34:36Z", "ms": 1246674875833.1587 }, "end": { "local": "2009-07-05T12:35:03+08:00", "utc": "2009-07-05T04:35:03Z", "ms": 1246768502955.9475 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-07-04", "window": { "start": { "local": "2009-07-04T19:51:49+08:00", "utc": "2009-07-04T11:51:49Z", "ms": 1246708308788.9785 }, "end": { "local": "2009-07-04T21:13:10+08:00", "utc": "2009-07-04T13:13:10Z", "ms": 1246713190191.352 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2009-07-05", "window": { "start": { "local": "2009-07-05T19:51:45+08:00", "utc": "2009-07-05T11:51:45Z", "ms": 1246794704767.4417 }, "end": { "local": "2009-07-05T21:13:10+08:00", "utc": "2009-07-05T13:13:10Z", "ms": 1246799590045.4934 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:35 on Sat 4 Jul to 12:35 on Sun 5 Jul.", "fact": "2009-07-04T02:34:36Z → 2009-07-05T04:35:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 4th, 19:52–21:13 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 81 of 81 minutes on the 4th and 0 of 81 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 26202 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Saturday 4 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": "2009-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Saturday 4 July. Trayodaśī runs from 10:35 on Sat 4 Jul to 12:35 on Sun 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 937, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 } }, "kaala": "sayahna", "days": [ { "local_date": "2009-07-06", "window": { "start": { "local": "2009-07-06T17:05:48+08:00", "utc": "2009-07-06T09:05:48Z", "ms": 1246871148395.3613 }, "end": { "local": "2009-07-06T19:51:39+08:00", "utc": "2009-07-06T11:51:39Z", "ms": 1246881099405.9944 } }, "covered_min": 166, "window_min": 166, "qualifies": true }, { "local_date": "2009-07-07", "window": { "start": { "local": "2009-07-07T17:05:48+08:00", "utc": "2009-07-07T09:05:48Z", "ms": 1246957548164.188 }, "end": { "local": "2009-07-07T19:51:33+08:00", "utc": "2009-07-07T11:51:33Z", "ms": 1246967492700.0312 } }, "covered_min": 16, "window_min": 166, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul.", "fact": "2009-07-06T06:52:39Z → 2009-07-07T09:21:25Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:06–19:52 on the 6th, 17:06–19:52 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 166 of 166 minutes on the 6th and 16 of 166 on the 7th.", "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 937 s" }, { "step": "ruling", "text": "Kokilā Vrata, Zunyi, 2009: Monday 6 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": "2009-07-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-06", "confidence": "boundary" } ], "quote": "In Zunyi, Kokilā Vrata 2009 falls on Monday 6 July. Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 16 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/zunyi/festivals/2009/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": "/zunyi/festivals/2009/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9008, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-07-06", "window": { "start": { "local": "2009-07-06T19:51:39+08:00", "utc": "2009-07-06T11:51:39Z", "ms": 1246881099405.9944 }, "end": { "local": "2009-07-06T21:13:09+08:00", "utc": "2009-07-06T13:13:09Z", "ms": 1246885988821.3037 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2009-07-07", "window": { "start": { "local": "2009-07-07T19:51:33+08:00", "utc": "2009-07-07T11:51:33Z", "ms": 1246967492700.0312 }, "end": { "local": "2009-07-07T21:13:07+08:00", "utc": "2009-07-07T13:13:07Z", "ms": 1246972386511.2292 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul.", "fact": "2009-07-06T06:52:39Z → 2009-07-07T09:21:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 6th, 19:52–21:13 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 81 of 81 minutes on the 6th and 0 of 82 on the 7th.", "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 9008 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Zunyi, 2009: Monday 6 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": "2009-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-06", "confidence": "determinate" } ], "quote": "In Zunyi, Śiva Śayanotsava 2009 falls on Monday 6 July. Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21863, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 } }, "kaala": "udaya-3", "days": [ { "local_date": "2009-07-06", "window": { "start": { "local": "2009-07-06T06:02:24+08:00", "utc": "2009-07-05T22:02:24Z", "ms": 1246831344352.8296 }, "end": { "local": "2009-07-06T08:48:15+08:00", "utc": "2009-07-06T00:48:15Z", "ms": 1246841295363.4626 } }, "covered_min": 0, "window_min": 166, "qualifies": false }, { "local_date": "2009-07-07", "window": { "start": { "local": "2009-07-07T06:02:50+08:00", "utc": "2009-07-06T22:02:50Z", "ms": 1246917770020.8152 }, "end": { "local": "2009-07-07T08:48:35+08:00", "utc": "2009-07-07T00:48:35Z", "ms": 1246927714556.6584 } }, "covered_min": 166, "window_min": 166, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul.", "fact": "2009-07-06T06:52:39Z → 2009-07-07T09:21:25Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:02–08:48 on the 6th, 06:03–08:49 on the 7th.", "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 166 minutes on the 6th and 166 of 166 on the 7th.", "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 21863 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Zunyi, 2009: Tuesday 7 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": "2009-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-07", "confidence": "determinate" } ], "quote": "In Zunyi, Vyāsa Pūjā 2009 falls on Tuesday 7 July. Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5497, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2009-07-06T14:52:39+08:00", "utc": "2009-07-06T06:52:39Z", "ms": 1246863158786.714 }, "end": { "local": "2009-07-07T17:21:25+08:00", "utc": "2009-07-07T09:21:25Z", "ms": 1246958484979.7087 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-07-06", "window": { "start": { "local": "2009-07-06T12:33:02+08:00", "utc": "2009-07-06T04:33:02Z", "ms": 1246854781879.412 }, "end": { "local": "2009-07-06T13:21:02+08:00", "utc": "2009-07-06T05:21:02Z", "ms": 1246857661879.412 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-07-07", "window": { "start": { "local": "2009-07-07T12:33:11+08:00", "utc": "2009-07-07T04:33:11Z", "ms": 1246941191360.4233 }, "end": { "local": "2009-07-07T13:21:11+08:00", "utc": "2009-07-07T05:21:11Z", "ms": 1246944071360.4233 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul.", "fact": "2009-07-06T06:52:39Z → 2009-07-07T09:21:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 6th, 12:33–13:21 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5497 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Zunyi, 2009: Tuesday 7 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": "2009-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-07", "confidence": "determinate" } ], "quote": "In Zunyi, Guru Pūrṇimā 2009 falls on Tuesday 7 July. Pūrṇimā runs from 14:53 on Mon 6 Jul to 17:21 on Tue 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2519, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2009-07-08T19:55:01+08:00", "utc": "2009-07-08T11:55:01Z", "ms": 1247054101146.5513 }, "end": { "local": "2009-07-09T22:26:32+08:00", "utc": "2009-07-09T14:26:32Z", "ms": 1247149591853.1523 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-08T19:55:01+08:00", "utc": "2009-07-08T11:55:01Z", "ms": 1247054101146.5513 }, "end": { "local": "2009-07-09T22:26:32+08:00", "utc": "2009-07-09T14:26:32Z", "ms": 1247149591853.1523 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-07-08", "window": { "start": { "local": "2009-07-08T20:37:00+08:00", "utc": "2009-07-08T12:37:00Z", "ms": 1247056619925.7778 }, "end": { "local": "2009-07-08T20:37:00+08:00", "utc": "2009-07-08T12:37:00Z", "ms": 1247056619925.7778 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-07-09", "window": { "start": { "local": "2009-07-09T21:11:56+08:00", "utc": "2009-07-09T13:11:56Z", "ms": 1247145115669.6858 }, "end": { "local": "2009-07-09T21:11:56+08:00", "utc": "2009-07-09T13:11:56Z", "ms": 1247145115669.6858 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:55 on Wed 8 Jul to 22:27 on Thu 9 Jul.", "fact": "2009-07-08T11:55:01Z → 2009-07-09T14:26:32Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 8th and 21:12 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 8th and is on the 9th.", "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 2519 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Zunyi, 2009: Wednesday 8 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": "2009-07-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-08", "confidence": "boundary" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata (Āṣāḍha) 2009 falls on Wednesday 8 July. Dvitīyā runs from 19:55 on Wed 8 Jul to 22:27 on Thu 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-07-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11070, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-07-11T00:48:19+08:00", "utc": "2009-07-10T16:48:19Z", "ms": 1247244499311.5476 }, "end": { "local": "2009-07-12T02:52:11+08:00", "utc": "2009-07-11T18:52:11Z", "ms": 1247338331388.3357 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-11T00:48:19+08:00", "utc": "2009-07-10T16:48:19Z", "ms": 1247244499311.5476 }, "end": { "local": "2009-07-12T02:52:11+08:00", "utc": "2009-07-11T18:52:11Z", "ms": 1247338331388.3357 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-07-10", "window": { "start": { "local": "2009-07-10T21:43:49+08:00", "utc": "2009-07-10T13:43:49Z", "ms": 1247233428860.0852 }, "end": { "local": "2009-07-10T21:43:49+08:00", "utc": "2009-07-10T13:43:49Z", "ms": 1247233428860.0852 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-07-11", "window": { "start": { "local": "2009-07-11T22:13:45+08:00", "utc": "2009-07-11T14:13:45Z", "ms": 1247321624673.9756 }, "end": { "local": "2009-07-11T22:13:45+08:00", "utc": "2009-07-11T14:13:45Z", "ms": 1247321624673.9756 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:48 on Sat 11 Jul to 02:52 on Sun 12 Jul.", "fact": "2009-07-10T16:48:19Z → 2009-07-11T18:52:11Z" }, { "step": "kaala", "text": "Moonrise is at 21:44 on the 10th and 22:14 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11070 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Saturday 11 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": "2009-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Saturday 11 July. Caturthī runs from 00:48 on Sat 11 Jul to 02:52 on Sun 12 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-07-18", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12145, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-07-18T02:45:40+08:00", "utc": "2009-07-17T18:45:40Z", "ms": 1247856340372.526 }, "end": { "local": "2009-07-19T00:19:37+08:00", "utc": "2009-07-18T16:19:37Z", "ms": 1247933976902.2563 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-18T02:45:40+08:00", "utc": "2009-07-17T18:45:40Z", "ms": 1247856340372.526 }, "end": { "local": "2009-07-19T00:19:37+08:00", "utc": "2009-07-18T16:19:37Z", "ms": 1247933976902.2563 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-07-18", "window": { "start": { "local": "2009-07-18T06:08:06+08:00", "utc": "2009-07-17T22:08:06Z", "ms": 1247868485843.7864 }, "end": { "local": "2009-07-18T06:08:06+08:00", "utc": "2009-07-17T22:08:06Z", "ms": 1247868485843.7864 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-07-19", "window": { "start": { "local": "2009-07-19T06:08:37+08:00", "utc": "2009-07-18T22:08:37Z", "ms": 1247954916903.3086 }, "end": { "local": "2009-07-19T06:08:37+08:00", "utc": "2009-07-18T22:08:37Z", "ms": 1247954916903.3086 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:46 on Sat 18 Jul to 00:20 on Sun 19 Jul.", "fact": "2009-07-17T18:45:40Z → 2009-07-18T16:19:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 18th and 06:09 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12145 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Zunyi, 2009: Saturday 18 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": "2009-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-18", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmikā Ekādaśī 2009 falls on Saturday 18 July. Ekādaśī runs from 02:46 on Sat 18 Jul to 00:20 on Sun 19 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-07-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 602, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-07-19T21:21:14+08:00", "utc": "2009-07-19T13:21:14Z", "ms": 1248009674425.118 }, "end": { "local": "2009-07-20T17:58:20+08:00", "utc": "2009-07-20T09:58:20Z", "ms": 1248083899915.644 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-19T21:21:14+08:00", "utc": "2009-07-19T13:21:14Z", "ms": 1248009674425.118 }, "end": { "local": "2009-07-20T17:58:20+08:00", "utc": "2009-07-20T09:58:20Z", "ms": 1248083899915.644 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-07-19", "window": { "start": { "local": "2009-07-19T19:48:27+08:00", "utc": "2009-07-19T11:48:27Z", "ms": 1248004106970.274 }, "end": { "local": "2009-07-19T21:11:12+08:00", "utc": "2009-07-19T13:11:12Z", "ms": 1248009072471.7822 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2009-07-20", "window": { "start": { "local": "2009-07-20T19:48:03+08:00", "utc": "2009-07-20T11:48:03Z", "ms": 1248090482778.2507 }, "end": { "local": "2009-07-20T21:10:56+08:00", "utc": "2009-07-20T13:10:56Z", "ms": 1248095455714.1123 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:21 on Sun 19 Jul to 17:58 on Mon 20 Jul.", "fact": "2009-07-19T13:21:14Z → 2009-07-20T09:58:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:11 on the 19th, 19:48–21:11 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 83 minutes on the 19th and 0 of 83 on the 20th.", "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 602 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Sunday 19 July.", "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": "2009-07-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-19", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Sunday 19 July. Trayodaśī runs from 21:21 on Sun 19 Jul to 17:58 on Mon 20 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-07-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23791, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-07-20T17:58:20+08:00", "utc": "2009-07-20T09:58:20Z", "ms": 1248083899915.644 }, "end": { "local": "2009-07-21T14:19:40+08:00", "utc": "2009-07-21T06:19:40Z", "ms": 1248157179829.3696 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-20T17:58:20+08:00", "utc": "2009-07-20T09:58:20Z", "ms": 1248083899915.644 }, "end": { "local": "2009-07-21T14:19:40+08:00", "utc": "2009-07-21T06:19:40Z", "ms": 1248157179829.3696 } }, "kaala": "nishita", "days": [ { "local_date": "2009-07-20", "window": { "start": { "local": "2009-07-21T00:34:51+08:00", "utc": "2009-07-20T16:34:51Z", "ms": 1248107691287.7314 }, "end": { "local": "2009-07-21T01:22:51+08:00", "utc": "2009-07-20T17:22:51Z", "ms": 1248110571287.7314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-07-21", "window": { "start": { "local": "2009-07-22T00:34:54+08:00", "utc": "2009-07-21T16:34:54Z", "ms": 1248194094415.2314 }, "end": { "local": "2009-07-22T01:22:54+08:00", "utc": "2009-07-21T17:22:54Z", "ms": 1248196974415.2314 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:58 on Mon 20 Jul to 14:20 on Tue 21 Jul.", "fact": "2009-07-20T09:58:20Z → 2009-07-21T06:19:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 20th, 00:35–01:23 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23791 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Monday 20 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": "2009-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-20", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Monday 20 July. Caturdaśī runs from 17:58 on Mon 20 Jul to 14:20 on Tue 21 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33062, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-07-24T03:23:42+08:00", "utc": "2009-07-23T19:23:42Z", "ms": 1248377022405.9287 }, "end": { "local": "2009-07-25T00:16:42+08:00", "utc": "2009-07-24T16:16:42Z", "ms": 1248452201644.4153 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-24T03:23:42+08:00", "utc": "2009-07-23T19:23:42Z", "ms": 1248377022405.9287 }, "end": { "local": "2009-07-25T00:16:42+08:00", "utc": "2009-07-24T16:16:42Z", "ms": 1248452201644.4153 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-07-24", "window": { "start": { "local": "2009-07-24T12:34:44+08:00", "utc": "2009-07-24T04:34:44Z", "ms": 1248410084205.6104 }, "end": { "local": "2009-07-24T13:22:44+08:00", "utc": "2009-07-24T05:22:44Z", "ms": 1248412964205.6104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-07-25", "window": { "start": { "local": "2009-07-25T12:34:45+08:00", "utc": "2009-07-25T04:34:45Z", "ms": 1248496484923.4307 }, "end": { "local": "2009-07-25T13:22:45+08:00", "utc": "2009-07-25T05:22:45Z", "ms": 1248499364923.4307 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:24 on Fri 24 Jul to 00:17 on Sat 25 Jul.", "fact": "2009-07-23T19:23:42Z → 2009-07-24T16:16:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 24th, 12:35–13:23 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33062 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Zunyi, 2009: Friday 24 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-24", "confidence": "determinate" } ], "quote": "In Zunyi, Madhusravā Tṛtīyā (Hariyali Teej) 2009 falls on Friday 24 July. Tṛtīyā runs from 03:24 on Fri 24 Jul to 00:17 on Sat 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-07-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29848, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-07-25T00:16:42+08:00", "utc": "2009-07-24T16:16:42Z", "ms": 1248452201644.4153 }, "end": { "local": "2009-07-25T21:40:13+08:00", "utc": "2009-07-25T13:40:13Z", "ms": 1248529212508.2866 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-25T00:16:42+08:00", "utc": "2009-07-24T16:16:42Z", "ms": 1248452201644.4153 }, "end": { "local": "2009-07-25T21:40:13+08:00", "utc": "2009-07-25T13:40:13Z", "ms": 1248529212508.2866 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-07-24", "window": { "start": { "local": "2009-07-24T12:34:44+08:00", "utc": "2009-07-24T04:34:44Z", "ms": 1248410084205.6104 }, "end": { "local": "2009-07-24T13:22:44+08:00", "utc": "2009-07-24T05:22:44Z", "ms": 1248412964205.6104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-07-25", "window": { "start": { "local": "2009-07-25T12:34:45+08:00", "utc": "2009-07-25T04:34:45Z", "ms": 1248496484923.4307 }, "end": { "local": "2009-07-25T13:22:45+08:00", "utc": "2009-07-25T05:22:45Z", "ms": 1248499364923.4307 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:17 on Sat 25 Jul to 21:40 on Sat 25 Jul.", "fact": "2009-07-24T16:16:42Z → 2009-07-25T13:40:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 24th, 12:35–13:23 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29848 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Saturday 25 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": "2009-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-25", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Saturday 25 July. Caturthī runs from 00:17 on Sat 25 Jul to 21:40 on Sat 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22726, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-07-25T21:40:13+08:00", "utc": "2009-07-25T13:40:13Z", "ms": 1248529212508.2866 }, "end": { "local": "2009-07-26T19:41:31+08:00", "utc": "2009-07-26T11:41:31Z", "ms": 1248608491193.229 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-25T21:40:13+08:00", "utc": "2009-07-25T13:40:13Z", "ms": 1248529212508.2866 }, "end": { "local": "2009-07-26T19:41:31+08:00", "utc": "2009-07-26T11:41:31Z", "ms": 1248608491193.229 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-07-25", "window": { "start": { "local": "2009-07-25T12:34:45+08:00", "utc": "2009-07-25T04:34:45Z", "ms": 1248496484923.4307 }, "end": { "local": "2009-07-25T13:22:45+08:00", "utc": "2009-07-25T05:22:45Z", "ms": 1248499364923.4307 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-07-26", "window": { "start": { "local": "2009-07-26T12:34:45+08:00", "utc": "2009-07-26T04:34:45Z", "ms": 1248582885037.961 }, "end": { "local": "2009-07-26T13:22:45+08:00", "utc": "2009-07-26T05:22:45Z", "ms": 1248585765037.961 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:40 on Sat 25 Jul to 19:42 on Sun 26 Jul.", "fact": "2009-07-25T13:40:13Z → 2009-07-26T11:41:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 25th, 12:35–13:23 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22726 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Zunyi, 2009: Sunday 26 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-07-26", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī 2009 falls on Sunday 26 July. Pañcamī runs from 21:40 on Sat 25 Jul to 19:42 on Sun 26 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-08-01", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26343, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-07-31T20:51:24+08:00", "utc": "2009-07-31T12:51:24Z", "ms": 1249044683796.6995 }, "end": { "local": "2009-08-01T22:57:04+08:00", "utc": "2009-08-01T14:57:04Z", "ms": 1249138623961.7559 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-07-31T20:51:24+08:00", "utc": "2009-07-31T12:51:24Z", "ms": 1249044683796.6995 }, "end": { "local": "2009-08-01T22:57:04+08:00", "utc": "2009-08-01T14:57:04Z", "ms": 1249138623961.7559 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-08-01", "window": { "start": { "local": "2009-08-01T06:15:34+08:00", "utc": "2009-07-31T22:15:34Z", "ms": 1249078534419.4539 }, "end": { "local": "2009-08-01T06:15:34+08:00", "utc": "2009-07-31T22:15:34Z", "ms": 1249078534419.4539 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-08-02", "window": { "start": { "local": "2009-08-02T06:16:07+08:00", "utc": "2009-08-01T22:16:07Z", "ms": 1249164966734.345 }, "end": { "local": "2009-08-02T06:16:07+08:00", "utc": "2009-08-01T22:16:07Z", "ms": 1249164966734.345 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:51 on Fri 31 Jul to 22:57 on Sat 1 Aug.", "fact": "2009-07-31T12:51:24Z → 2009-08-01T14:57:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 1st and 06:16 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26343 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2009: Saturday 1 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": "2009-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-01", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2009 falls on Saturday 1 August. Ekādaśī runs from 20:51 on Fri 31 Jul to 22:57 on Sat 1 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34471, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-08-01T22:57:04+08:00", "utc": "2009-08-01T14:57:04Z", "ms": 1249138623961.7559 }, "end": { "local": "2009-08-03T01:21:34+08:00", "utc": "2009-08-02T17:21:34Z", "ms": 1249233693935.1072 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-08-01T22:57:04+08:00", "utc": "2009-08-01T14:57:04Z", "ms": 1249138623961.7559 }, "end": { "local": "2009-08-03T01:21:34+08:00", "utc": "2009-08-02T17:21:34Z", "ms": 1249233693935.1072 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-01", "window": { "start": { "local": "2009-08-01T12:34:33+08:00", "utc": "2009-08-01T04:34:33Z", "ms": 1249101272812.2053 }, "end": { "local": "2009-08-01T13:22:33+08:00", "utc": "2009-08-01T05:22:33Z", "ms": 1249104152812.2053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-08-02", "window": { "start": { "local": "2009-08-02T12:34:29+08:00", "utc": "2009-08-02T04:34:29Z", "ms": 1249187668614.4285 }, "end": { "local": "2009-08-02T13:22:29+08:00", "utc": "2009-08-02T05:22:29Z", "ms": 1249190548614.4285 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:57 on Sat 1 Aug to 01:22 on Mon 3 Aug.", "fact": "2009-08-01T14:57:04Z → 2009-08-02T17:21:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 1st, 12:34–13:22 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 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 34471 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Zunyi, 2009: Sunday 2 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": "2009-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-02", "confidence": "determinate" } ], "quote": "In Zunyi, Dāmodara Dvādaśī 2009 falls on Sunday 2 August. Dvādaśī runs from 22:57 on Sat 1 Aug to 01:22 on Mon 3 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-08-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15357, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-08-03T01:21:34+08:00", "utc": "2009-08-02T17:21:34Z", "ms": 1249233693935.1072 }, "end": { "local": "2009-08-04T03:55:08+08:00", "utc": "2009-08-03T19:55:08Z", "ms": 1249329307828.9287 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-08-03T01:21:34+08:00", "utc": "2009-08-02T17:21:34Z", "ms": 1249233693935.1072 }, "end": { "local": "2009-08-04T03:55:08+08:00", "utc": "2009-08-03T19:55:08Z", "ms": 1249329307828.9287 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-08-02", "window": { "start": { "local": "2009-08-02T19:40:50+08:00", "utc": "2009-08-02T11:40:50Z", "ms": 1249213250494.512 }, "end": { "local": "2009-08-02T21:05:37+08:00", "utc": "2009-08-02T13:05:37Z", "ms": 1249218336960.4111 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2009-08-03", "window": { "start": { "local": "2009-08-03T19:40:09+08:00", "utc": "2009-08-03T11:40:09Z", "ms": 1249299608620.2053 }, "end": { "local": "2009-08-03T21:05:05+08:00", "utc": "2009-08-03T13:05:05Z", "ms": 1249304704960.2983 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:22 on Mon 3 Aug to 03:55 on Tue 4 Aug.", "fact": "2009-08-02T17:21:34Z → 2009-08-03T19:55:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:41–21:06 on the 2nd, 19:40–21:05 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 2nd and 85 of 85 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15357 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Monday 3 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": "2009-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-03", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Monday 3 August. Trayodaśī runs from 01:22 on Mon 3 Aug to 03:55 on Tue 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 9397, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-08-05T06:28:48+08:00", "utc": "2009-08-04T22:28:48Z", "ms": 1249424927564.956 }, "end": { "local": "2009-08-06T08:54:52+08:00", "utc": "2009-08-06T00:54:52Z", "ms": 1249520091923.7183 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2009-08-05T19:43:12+08:00", "utc": "2009-08-05T11:43:12Z", "ms": 1249472592229.4622 }, "end": { "local": "2009-08-06T08:54:52+08:00", "utc": "2009-08-06T00:54:52Z", "ms": 1249520091923.7183 } }, "kaala": "day", "days": [ { "local_date": "2009-08-05", "window": { "start": { "local": "2009-08-05T06:17:43+08:00", "utc": "2009-08-04T22:17:43Z", "ms": 1249424263270.3118 }, "end": { "local": "2009-08-06T06:18:15+08:00", "utc": "2009-08-05T22:18:15Z", "ms": 1249510695277.7363 } }, "covered_min": 635, "window_min": 1441, "qualifies": true }, { "local_date": "2009-08-06", "window": { "start": { "local": "2009-08-06T06:18:15+08:00", "utc": "2009-08-05T22:18:15Z", "ms": 1249510695277.7363 }, "end": { "local": "2009-08-07T06:18:47+08:00", "utc": "2009-08-06T22:18:47Z", "ms": 1249597127185.095 } }, "covered_min": 157, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:29 on Wed 5 Aug to 08:55 on Thu 6 Aug. Its second half begins at 19:43 on Wed 5 Aug.", "fact": "2009-08-04T22:28:48Z → 2009-08-06T00:54:52Z · second half from 2009-08-05T11:43:12Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:18 on the 5th, and from 06:18 on the 6th.", "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 635 of 1441 minutes on the 5th and 157 of 1441 on the 6th.", "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 9397 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Zunyi, 2009: Wednesday 5 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": "2009-08-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-05", "confidence": "boundary" } ], "quote": "In Zunyi, Rakṣā Bandhana (Rakhi) 2009 falls on Wednesday 5 August. The second half of Pūrṇimā runs from 19:43 on Wed 5 Aug to 08:55 on Thu 6 Aug and falls on two days: 635 minutes of it on the 5th, 157 on the 6th; 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/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13154, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-08-05T06:28:48+08:00", "utc": "2009-08-04T22:28:48Z", "ms": 1249424927564.956 }, "end": { "local": "2009-08-06T08:54:52+08:00", "utc": "2009-08-06T00:54:52Z", "ms": 1249520091923.7183 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2009-08-05T06:28:48+08:00", "utc": "2009-08-04T22:28:48Z", "ms": 1249424927564.956 }, "end": { "local": "2009-08-06T08:54:52+08:00", "utc": "2009-08-06T00:54:52Z", "ms": 1249520091923.7183 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-05", "window": { "start": { "local": "2009-08-05T12:34:12+08:00", "utc": "2009-08-05T04:34:12Z", "ms": 1249446852365.9365 }, "end": { "local": "2009-08-05T13:22:12+08:00", "utc": "2009-08-05T05:22:12Z", "ms": 1249449732365.9365 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-06", "window": { "start": { "local": "2009-08-06T12:34:06+08:00", "utc": "2009-08-06T04:34:06Z", "ms": 1249533245748.5674 }, "end": { "local": "2009-08-06T13:22:06+08:00", "utc": "2009-08-06T05:22:06Z", "ms": 1249536125748.5674 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:29 on Wed 5 Aug to 08:55 on Thu 6 Aug.", "fact": "2009-08-04T22:28:48Z → 2009-08-06T00:54:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 5th, 12:34–13:22 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13154 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Zunyi, 2009: Wednesday 5 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": "2009-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-05", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Tarpaṇa 2009 falls on Wednesday 5 August. Pūrṇimā runs from 06:29 on Wed 5 Aug to 08:55 on Thu 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27981, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2009-08-07T11:07:01+08:00", "utc": "2009-08-07T03:07:01Z", "ms": 1249614420908.459 }, "end": { "local": "2009-08-08T13:00:03+08:00", "utc": "2009-08-08T05:00:03Z", "ms": 1249707603182.264 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-07T11:07:01+08:00", "utc": "2009-08-07T03:07:01Z", "ms": 1249614420908.459 }, "end": { "local": "2009-08-08T13:00:03+08:00", "utc": "2009-08-08T05:00:03Z", "ms": 1249707603182.264 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-08-07", "window": { "start": { "local": "2009-08-07T20:17:01+08:00", "utc": "2009-08-07T12:17:01Z", "ms": 1249647421258.641 }, "end": { "local": "2009-08-07T20:17:01+08:00", "utc": "2009-08-07T12:17:01Z", "ms": 1249647421258.641 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-08-08", "window": { "start": { "local": "2009-08-08T20:46:24+08:00", "utc": "2009-08-08T12:46:24Z", "ms": 1249735584480.8474 }, "end": { "local": "2009-08-08T20:46:24+08:00", "utc": "2009-08-08T12:46:24Z", "ms": 1249735584480.8474 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:07 on Fri 7 Aug to 13:00 on Sat 8 Aug.", "fact": "2009-08-07T03:07:01Z → 2009-08-08T05:00:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:17 on the 7th and 20:46 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27981 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Zunyi, 2009: Friday 7 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": "2009-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-07", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata 2009 falls on Friday 7 August. Dvitīyā runs from 11:07 on Fri 7 Aug to 13:00 on Sat 8 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1308, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-08-08T13:00:03+08:00", "utc": "2009-08-08T05:00:03Z", "ms": 1249707603182.264 }, "end": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-08T13:00:03+08:00", "utc": "2009-08-08T05:00:03Z", "ms": 1249707603182.264 }, "end": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-08", "window": { "start": { "local": "2009-08-08T12:33:51+08:00", "utc": "2009-08-08T04:33:51Z", "ms": 1249706030751.9443 }, "end": { "local": "2009-08-08T13:21:51+08:00", "utc": "2009-08-08T05:21:51Z", "ms": 1249708910751.9443 } }, "covered_min": 22, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-09", "window": { "start": { "local": "2009-08-09T12:33:42+08:00", "utc": "2009-08-09T04:33:42Z", "ms": 1249792422388.6125 }, "end": { "local": "2009-08-09T13:21:42+08:00", "utc": "2009-08-09T05:21:42Z", "ms": 1249795302388.6125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:00 on Sat 8 Aug to 14:30 on Sun 9 Aug.", "fact": "2009-08-08T05:00:03Z → 2009-08-09T06:29:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 8th, 12:34–13:22 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 22 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1308 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Zunyi, 2009: Sunday 9 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": "2009-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-09", "confidence": "determinate" } ], "quote": "In Zunyi, Kajjalī Tṛtīyā (Kajari Teej) 2009 falls on Sunday 9 August. Tṛtīyā runs from 13:00 on Sat 8 Aug to 14:30 on Sun 9 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 22 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5034, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 }, "end": { "local": "2009-08-10T15:31:58+08:00", "utc": "2009-08-10T07:31:58Z", "ms": 1249889518001.1138 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 }, "end": { "local": "2009-08-10T15:31:58+08:00", "utc": "2009-08-10T07:31:58Z", "ms": 1249889518001.1138 } }, "kaala": "sayahna", "days": [ { "local_date": "2009-08-09", "window": { "start": { "local": "2009-08-09T16:56:25+08:00", "utc": "2009-08-09T08:56:25Z", "ms": 1249808185418.2593 }, "end": { "local": "2009-08-09T19:35:34+08:00", "utc": "2009-08-09T11:35:34Z", "ms": 1249817734104.6904 } }, "covered_min": 159, "window_min": 159, "qualifies": true }, { "local_date": "2009-08-10", "window": { "start": { "local": "2009-08-10T16:55:52+08:00", "utc": "2009-08-10T08:55:52Z", "ms": 1249894552191.5803 }, "end": { "local": "2009-08-10T19:34:45+08:00", "utc": "2009-08-10T11:34:45Z", "ms": 1249904084679.1377 } }, "covered_min": 0, "window_min": 159, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:30 on Sun 9 Aug to 15:32 on Mon 10 Aug.", "fact": "2009-08-09T06:29:38Z → 2009-08-10T07:31:58Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:56–19:36 on the 9th, 16:56–19:35 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 159 of 159 minutes on the 9th and 0 of 159 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5034 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Zunyi, 2009: Sunday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-09", "confidence": "determinate" } ], "quote": "In Zunyi, Bahulā Caturthī 2009 falls on Sunday 9 August. Caturthī runs from 14:30 on Sun 9 Aug to 15:32 on Mon 10 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-08-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22442, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 }, "end": { "local": "2009-08-10T15:31:58+08:00", "utc": "2009-08-10T07:31:58Z", "ms": 1249889518001.1138 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-09T14:29:38+08:00", "utc": "2009-08-09T06:29:38Z", "ms": 1249799377500.8076 }, "end": { "local": "2009-08-10T15:31:58+08:00", "utc": "2009-08-10T07:31:58Z", "ms": 1249889518001.1138 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-08-09", "window": { "start": { "local": "2009-08-09T21:15:40+08:00", "utc": "2009-08-09T13:15:40Z", "ms": 1249823740449.2996 }, "end": { "local": "2009-08-09T21:15:40+08:00", "utc": "2009-08-09T13:15:40Z", "ms": 1249823740449.2996 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-08-10", "window": { "start": { "local": "2009-08-10T21:46:00+08:00", "utc": "2009-08-10T13:46:00Z", "ms": 1249911960049.4866 }, "end": { "local": "2009-08-10T21:46:00+08:00", "utc": "2009-08-10T13:46:00Z", "ms": 1249911960049.4866 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:30 on Sun 9 Aug to 15:32 on Mon 10 Aug.", "fact": "2009-08-09T06:29:38Z → 2009-08-10T07:31:58Z" }, { "step": "kaala", "text": "Moonrise is at 21:16 on the 9th and 21:46 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22442 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Sunday 9 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": "2009-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-09", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Sunday 9 August. Caturthī runs from 14:30 on Sun 9 Aug to 15:32 on Mon 10 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9681, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-08-11T16:03:50+08:00", "utc": "2009-08-11T08:03:50Z", "ms": 1249977829579.2695 }, "end": { "local": "2009-08-12T16:02:35+08:00", "utc": "2009-08-12T08:02:35Z", "ms": 1250064154924.5837 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-11T16:03:50+08:00", "utc": "2009-08-11T08:03:50Z", "ms": 1249977829579.2695 }, "end": { "local": "2009-08-12T16:02:35+08:00", "utc": "2009-08-12T08:02:35Z", "ms": 1250064154924.5837 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-11", "window": { "start": { "local": "2009-08-11T12:33:24+08:00", "utc": "2009-08-11T04:33:24Z", "ms": 1249965203976.1895 }, "end": { "local": "2009-08-11T13:21:24+08:00", "utc": "2009-08-11T05:21:24Z", "ms": 1249968083976.1895 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-08-12", "window": { "start": { "local": "2009-08-12T12:33:14+08:00", "utc": "2009-08-12T04:33:14Z", "ms": 1250051593946.138 }, "end": { "local": "2009-08-12T13:21:14+08:00", "utc": "2009-08-12T05:21:14Z", "ms": 1250054473946.138 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:04 on Tue 11 Aug to 16:03 on Wed 12 Aug.", "fact": "2009-08-11T08:03:50Z → 2009-08-12T08:02:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 11th, 12:33–13:21 on the 12th.", "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 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 9681 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Zunyi, 2009: Wednesday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-12", "confidence": "determinate" } ], "quote": "In Zunyi, Hala Ṣaṣṭhī 2009 falls on Wednesday 12 August. Ṣaṣṭhī runs from 16:04 on Tue 11 Aug to 16:03 on Wed 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32809, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-08-13T15:26:30+08:00", "utc": "2009-08-13T07:26:30Z", "ms": 1250148390383.369 }, "end": { "local": "2009-08-14T14:15:05+08:00", "utc": "2009-08-14T06:15:05Z", "ms": 1250230504956.7546 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-13T15:26:30+08:00", "utc": "2009-08-13T07:26:30Z", "ms": 1250148390383.369 }, "end": { "local": "2009-08-14T14:15:05+08:00", "utc": "2009-08-14T06:15:05Z", "ms": 1250230504956.7546 } }, "kaala": "nishita", "days": [ { "local_date": "2009-08-13", "window": { "start": { "local": "2009-08-14T00:33:19+08:00", "utc": "2009-08-13T16:33:19Z", "ms": 1250181198906.7664 }, "end": { "local": "2009-08-14T01:21:19+08:00", "utc": "2009-08-13T17:21:19Z", "ms": 1250184078906.7664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-14", "window": { "start": { "local": "2009-08-15T00:33:08+08:00", "utc": "2009-08-14T16:33:08Z", "ms": 1250267587745.0688 }, "end": { "local": "2009-08-15T01:21:08+08:00", "utc": "2009-08-14T17:21:08Z", "ms": 1250270467745.0688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:27 on Thu 13 Aug to 14:15 on Fri 14 Aug.", "fact": "2009-08-13T07:26:30Z → 2009-08-14T06:15:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 13th, 00:33–01:21 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 32809 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Zunyi, 2009: Thursday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-13", "confidence": "determinate" } ], "quote": "In Zunyi, Janmāṣṭamī 2009 falls on Thursday 13 August. Aṣṭamī runs from 15:27 on Thu 13 Aug to 14:15 on Fri 14 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7527, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-08-12T16:02:35+08:00", "utc": "2009-08-12T08:02:35Z", "ms": 1250064154924.5837 }, "end": { "local": "2009-08-13T15:26:30+08:00", "utc": "2009-08-13T07:26:30Z", "ms": 1250148390383.369 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-12T16:02:35+08:00", "utc": "2009-08-12T08:02:35Z", "ms": 1250064154924.5837 }, "end": { "local": "2009-08-13T15:26:30+08:00", "utc": "2009-08-13T07:26:30Z", "ms": 1250148390383.369 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-12", "window": { "start": { "local": "2009-08-12T12:33:14+08:00", "utc": "2009-08-12T04:33:14Z", "ms": 1250051593946.138 }, "end": { "local": "2009-08-12T13:21:14+08:00", "utc": "2009-08-12T05:21:14Z", "ms": 1250054473946.138 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-08-13", "window": { "start": { "local": "2009-08-13T12:33:03+08:00", "utc": "2009-08-13T04:33:03Z", "ms": 1250137983379.9663 }, "end": { "local": "2009-08-13T13:21:03+08:00", "utc": "2009-08-13T05:21:03Z", "ms": 1250140863379.9663 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:03 on Wed 12 Aug to 15:27 on Thu 13 Aug.", "fact": "2009-08-12T08:02:35Z → 2009-08-13T07:26:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 12th, 12:33–13:21 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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 7527 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Zunyi, 2009: Thursday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-13", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalā Saptamī 2009 falls on Thursday 13 August. Saptamī runs from 16:03 on Wed 12 Aug to 15:27 on Thu 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-08-17", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3746, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-08-16T10:11:39+08:00", "utc": "2009-08-16T02:11:39Z", "ms": 1250388699217.9885 }, "end": { "local": "2009-08-17T07:26:26+08:00", "utc": "2009-08-16T23:26:26Z", "ms": 1250465185941.1248 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-16T10:11:39+08:00", "utc": "2009-08-16T02:11:39Z", "ms": 1250388699217.9885 }, "end": { "local": "2009-08-17T07:26:26+08:00", "utc": "2009-08-16T23:26:26Z", "ms": 1250465185941.1248 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-08-16", "window": { "start": { "local": "2009-08-16T06:23:29+08:00", "utc": "2009-08-15T22:23:29Z", "ms": 1250375008934.931 }, "end": { "local": "2009-08-16T06:23:29+08:00", "utc": "2009-08-15T22:23:29Z", "ms": 1250375008934.931 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-08-17", "window": { "start": { "local": "2009-08-17T06:24:00+08:00", "utc": "2009-08-16T22:24:00Z", "ms": 1250461439558.5303 }, "end": { "local": "2009-08-17T06:24:00+08:00", "utc": "2009-08-16T22:24:00Z", "ms": 1250461439558.5303 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:12 on Sun 16 Aug to 07:26 on Mon 17 Aug.", "fact": "2009-08-16T02:11:39Z → 2009-08-16T23:26:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 16th and 06:24 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3746 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Zunyi, 2009: Monday 17 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": "2009-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-17", "confidence": "determinate" } ], "quote": "In Zunyi, Ajā Ekādaśī 2009 falls on Monday 17 August. Ekādaśī runs from 10:12 on Sun 16 Aug to 07:26 on Mon 17 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-08-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14522, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-08-18T04:19:19+08:00", "utc": "2009-08-17T20:19:19Z", "ms": 1250540358548.8884 }, "end": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-18T04:19:19+08:00", "utc": "2009-08-17T20:19:19Z", "ms": 1250540358548.8884 }, "end": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-08-17", "window": { "start": { "local": "2009-08-17T19:28:32+08:00", "utc": "2009-08-17T11:28:32Z", "ms": 1250508512335.9463 }, "end": { "local": "2009-08-17T20:56:00+08:00", "utc": "2009-08-17T12:56:00Z", "ms": 1250513760028.1982 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2009-08-18", "window": { "start": { "local": "2009-08-18T19:27:36+08:00", "utc": "2009-08-18T11:27:36Z", "ms": 1250594855654.567 }, "end": { "local": "2009-08-18T20:55:15+08:00", "utc": "2009-08-18T12:55:15Z", "ms": 1250600114945.4683 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:19 on Tue 18 Aug to 00:57 on Wed 19 Aug.", "fact": "2009-08-17T20:19:19Z → 2009-08-18T16:57:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:56 on the 17th, 19:28–20:55 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 17th and 88 of 88 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14522 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Tuesday 18 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": "2009-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-18", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Tuesday 18 August. Trayodaśī runs from 04:19 on Tue 18 Aug to 00:57 on Wed 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-08-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1381, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 }, "end": { "local": "2009-08-19T21:28:25+08:00", "utc": "2009-08-19T13:28:25Z", "ms": 1250688505352.746 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 }, "end": { "local": "2009-08-19T21:28:25+08:00", "utc": "2009-08-19T13:28:25Z", "ms": 1250688505352.746 } }, "kaala": "nishita", "days": [ { "local_date": "2009-08-18", "window": { "start": { "local": "2009-08-19T00:32:18+08:00", "utc": "2009-08-18T16:32:18Z", "ms": 1250613137995.4468 }, "end": { "local": "2009-08-19T01:20:18+08:00", "utc": "2009-08-18T17:20:18Z", "ms": 1250616017995.4468 } }, "covered_min": 23, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-19", "window": { "start": { "local": "2009-08-20T00:32:04+08:00", "utc": "2009-08-19T16:32:04Z", "ms": 1250699524321.8005 }, "end": { "local": "2009-08-20T01:20:04+08:00", "utc": "2009-08-19T17:20:04Z", "ms": 1250702404321.8005 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:57 on Wed 19 Aug to 21:28 on Wed 19 Aug.", "fact": "2009-08-18T16:57:17Z → 2009-08-19T13:28:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 18th, 00:32–01:20 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 23 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1381 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Tuesday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-18", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Tuesday 18 August. Caturdaśī runs from 00:57 on Wed 19 Aug to 21:28 on Wed 19 Aug and covers 23 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2036, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 }, "end": { "local": "2009-08-19T21:28:25+08:00", "utc": "2009-08-19T13:28:25Z", "ms": 1250688505352.746 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-19T00:57:17+08:00", "utc": "2009-08-18T16:57:17Z", "ms": 1250614637115.487 }, "end": { "local": "2009-08-19T21:28:25+08:00", "utc": "2009-08-19T13:28:25Z", "ms": 1250688505352.746 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-08-18", "window": { "start": { "local": "2009-08-18T19:27:36+08:00", "utc": "2009-08-18T11:27:36Z", "ms": 1250594855654.567 }, "end": { "local": "2009-08-18T20:55:15+08:00", "utc": "2009-08-18T12:55:15Z", "ms": 1250600114945.4683 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2009-08-19", "window": { "start": { "local": "2009-08-19T19:26:38+08:00", "utc": "2009-08-19T11:26:38Z", "ms": 1250681198166.233 }, "end": { "local": "2009-08-19T20:54:29+08:00", "utc": "2009-08-19T12:54:29Z", "ms": 1250686469141.051 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:57 on Wed 19 Aug to 21:28 on Wed 19 Aug.", "fact": "2009-08-18T16:57:17Z → 2009-08-19T13:28:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:55 on the 18th, 19:27–20:54 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 18th and 88 of 88 on the 19th.", "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 2036 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Zunyi, 2009: Wednesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-19", "confidence": "determinate" } ], "quote": "In Zunyi, Aghora Caturdaśī 2009 falls on Wednesday 19 August. Caturdaśī runs from 00:57 on Wed 19 Aug to 21:28 on Wed 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5208, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-08-20T18:01:35+08:00", "utc": "2009-08-20T10:01:35Z", "ms": 1250762495058.219 }, "end": { "local": "2009-08-21T14:46:09+08:00", "utc": "2009-08-21T06:46:09Z", "ms": 1250837168833.1614 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-20T18:01:35+08:00", "utc": "2009-08-20T10:01:35Z", "ms": 1250762495058.219 }, "end": { "local": "2009-08-21T14:46:09+08:00", "utc": "2009-08-21T06:46:09Z", "ms": 1250837168833.1614 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-20", "window": { "start": { "local": "2009-08-20T12:31:35+08:00", "utc": "2009-08-20T04:31:35Z", "ms": 1250742695184.212 }, "end": { "local": "2009-08-20T13:19:35+08:00", "utc": "2009-08-20T05:19:35Z", "ms": 1250745575184.212 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-08-21", "window": { "start": { "local": "2009-08-21T12:31:21+08:00", "utc": "2009-08-21T04:31:21Z", "ms": 1250829080646.8926 }, "end": { "local": "2009-08-21T13:19:21+08:00", "utc": "2009-08-21T05:19:21Z", "ms": 1250831960646.8926 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:02 on Thu 20 Aug to 14:46 on Fri 21 Aug.", "fact": "2009-08-20T10:01:35Z → 2009-08-21T06:46:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 20th, 12:31–13:19 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5208 s" }, { "step": "ruling", "text": "Rudra Vrata, Zunyi, 2009: Friday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-21", "confidence": "determinate" } ], "quote": "In Zunyi, Rudra Vrata 2009 falls on Friday 21 August. Pratipadā runs from 18:02 on Thu 20 Aug to 14:46 on Fri 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2367, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2009-08-22T11:51:39+08:00", "utc": "2009-08-22T03:51:39Z", "ms": 1250913099052.095 }, "end": { "local": "2009-08-23T09:27:20+08:00", "utc": "2009-08-23T01:27:20Z", "ms": 1250990840037.1094 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-22T11:51:39+08:00", "utc": "2009-08-22T03:51:39Z", "ms": 1250913099052.095 }, "end": { "local": "2009-08-23T09:27:20+08:00", "utc": "2009-08-23T01:27:20Z", "ms": 1250990840037.1094 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-22", "window": { "start": { "local": "2009-08-22T12:31:06+08:00", "utc": "2009-08-22T04:31:06Z", "ms": 1250915465646.9258 }, "end": { "local": "2009-08-22T13:19:06+08:00", "utc": "2009-08-22T05:19:06Z", "ms": 1250918345646.9258 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-23", "window": { "start": { "local": "2009-08-23T12:30:50+08:00", "utc": "2009-08-23T04:30:50Z", "ms": 1251001850193.0596 }, "end": { "local": "2009-08-23T13:18:50+08:00", "utc": "2009-08-23T05:18:50Z", "ms": 1251004730193.0596 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:52 on Sat 22 Aug to 09:27 on Sun 23 Aug.", "fact": "2009-08-22T03:51:39Z → 2009-08-23T01:27:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 22nd, 12:31–13:19 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 2367 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Zunyi, 2009: Saturday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-22", "confidence": "determinate" } ], "quote": "In Zunyi, Haritālikā Vrata (Hartalika Teej) 2009 falls on Saturday 22 August. Tṛtīyā runs from 11:52 on Sat 22 Aug to 09:27 on Sun 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11010, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-08-23T09:27:20+08:00", "utc": "2009-08-23T01:27:20Z", "ms": 1250990840037.1094 }, "end": { "local": "2009-08-24T07:41:30+08:00", "utc": "2009-08-23T23:41:30Z", "ms": 1251070890318.3667 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-23T09:27:20+08:00", "utc": "2009-08-23T01:27:20Z", "ms": 1250990840037.1094 }, "end": { "local": "2009-08-24T07:41:30+08:00", "utc": "2009-08-23T23:41:30Z", "ms": 1251070890318.3667 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-23", "window": { "start": { "local": "2009-08-23T12:30:50+08:00", "utc": "2009-08-23T04:30:50Z", "ms": 1251001850193.0596 }, "end": { "local": "2009-08-23T13:18:50+08:00", "utc": "2009-08-23T05:18:50Z", "ms": 1251004730193.0596 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-24", "window": { "start": { "local": "2009-08-24T12:30:34+08:00", "utc": "2009-08-24T04:30:34Z", "ms": 1251088234295.4084 }, "end": { "local": "2009-08-24T13:18:34+08:00", "utc": "2009-08-24T05:18:34Z", "ms": 1251091114295.4084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:27 on Sun 23 Aug to 07:42 on Mon 24 Aug.", "fact": "2009-08-23T01:27:20Z → 2009-08-23T23:41:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 23rd, 12:31–13:19 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11010 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Zunyi, 2009: Sunday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-23", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Caturthī 2009 falls on Sunday 23 August. Caturthī runs from 09:27 on Sun 23 Aug to 07:42 on Mon 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17344, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-08-24T07:41:30+08:00", "utc": "2009-08-23T23:41:30Z", "ms": 1251070890318.3667 }, "end": { "local": "2009-08-25T06:40:44+08:00", "utc": "2009-08-24T22:40:44Z", "ms": 1251153643508.294 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-24T07:41:30+08:00", "utc": "2009-08-23T23:41:30Z", "ms": 1251070890318.3667 }, "end": { "local": "2009-08-25T06:40:44+08:00", "utc": "2009-08-24T22:40:44Z", "ms": 1251153643508.294 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-24", "window": { "start": { "local": "2009-08-24T12:30:34+08:00", "utc": "2009-08-24T04:30:34Z", "ms": 1251088234295.4084 }, "end": { "local": "2009-08-24T13:18:34+08:00", "utc": "2009-08-24T05:18:34Z", "ms": 1251091114295.4084 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-25", "window": { "start": { "local": "2009-08-25T12:30:18+08:00", "utc": "2009-08-25T04:30:18Z", "ms": 1251174617965.4841 }, "end": { "local": "2009-08-25T13:18:18+08:00", "utc": "2009-08-25T05:18:18Z", "ms": 1251177497965.4841 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:42 on Mon 24 Aug to 06:41 on Tue 25 Aug.", "fact": "2009-08-23T23:41:30Z → 2009-08-24T22:40:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 24th, 12:30–13:18 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 17344 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Zunyi, 2009: Monday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-24", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Pañcamī 2009 falls on Monday 24 August. Pañcamī runs from 07:42 on Mon 24 Aug to 06:41 on Tue 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20974, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-08-25T06:40:44+08:00", "utc": "2009-08-24T22:40:44Z", "ms": 1251153643508.294 }, "end": { "local": "2009-08-26T06:28:51+08:00", "utc": "2009-08-25T22:28:51Z", "ms": 1251239330580.4822 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-25T06:40:44+08:00", "utc": "2009-08-24T22:40:44Z", "ms": 1251153643508.294 }, "end": { "local": "2009-08-26T06:28:51+08:00", "utc": "2009-08-25T22:28:51Z", "ms": 1251239330580.4822 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-25", "window": { "start": { "local": "2009-08-25T12:30:18+08:00", "utc": "2009-08-25T04:30:18Z", "ms": 1251174617965.4841 }, "end": { "local": "2009-08-25T13:18:18+08:00", "utc": "2009-08-25T05:18:18Z", "ms": 1251177497965.4841 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-26", "window": { "start": { "local": "2009-08-26T12:30:01+08:00", "utc": "2009-08-26T04:30:01Z", "ms": 1251261001216.1028 }, "end": { "local": "2009-08-26T13:18:01+08:00", "utc": "2009-08-26T05:18:01Z", "ms": 1251263881216.1028 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:41 on Tue 25 Aug to 06:29 on Wed 26 Aug.", "fact": "2009-08-24T22:40:44Z → 2009-08-25T22:28:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 25th, 12:30–13:18 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20974 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Zunyi, 2009: Tuesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-25", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Bhādrapada) 2009 falls on Tuesday 25 August. Ṣaṣṭhī runs from 06:41 on Tue 25 Aug to 06:29 on Wed 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19421, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-08-26T06:28:51+08:00", "utc": "2009-08-25T22:28:51Z", "ms": 1251239330580.4822 }, "end": { "local": "2009-08-27T07:06:03+08:00", "utc": "2009-08-26T23:06:03Z", "ms": 1251327963414.5608 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-26T06:28:51+08:00", "utc": "2009-08-25T22:28:51Z", "ms": 1251239330580.4822 }, "end": { "local": "2009-08-27T07:06:03+08:00", "utc": "2009-08-26T23:06:03Z", "ms": 1251327963414.5608 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-26", "window": { "start": { "local": "2009-08-26T12:30:01+08:00", "utc": "2009-08-26T04:30:01Z", "ms": 1251261001216.1028 }, "end": { "local": "2009-08-26T13:18:01+08:00", "utc": "2009-08-26T05:18:01Z", "ms": 1251263881216.1028 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-27", "window": { "start": { "local": "2009-08-27T12:29:44+08:00", "utc": "2009-08-27T04:29:44Z", "ms": 1251347384061.2446 }, "end": { "local": "2009-08-27T13:17:44+08:00", "utc": "2009-08-27T05:17:44Z", "ms": 1251350264061.2446 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:29 on Wed 26 Aug to 07:06 on Thu 27 Aug.", "fact": "2009-08-25T22:28:51Z → 2009-08-26T23:06:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 26th, 12:30–13:18 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19421 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Zunyi, 2009: Wednesday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-26", "confidence": "determinate" } ], "quote": "In Zunyi, Muktābharaṇa Vrata 2009 falls on Wednesday 26 August. Saptamī runs from 06:29 on Wed 26 Aug to 07:06 on Thu 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14469, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-08-27T07:06:03+08:00", "utc": "2009-08-26T23:06:03Z", "ms": 1251327963414.5608 }, "end": { "local": "2009-08-28T08:28:17+08:00", "utc": "2009-08-28T00:28:17Z", "ms": 1251419297249.924 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-27T07:06:03+08:00", "utc": "2009-08-26T23:06:03Z", "ms": 1251327963414.5608 }, "end": { "local": "2009-08-28T08:28:17+08:00", "utc": "2009-08-28T00:28:17Z", "ms": 1251419297249.924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-27", "window": { "start": { "local": "2009-08-27T12:29:44+08:00", "utc": "2009-08-27T04:29:44Z", "ms": 1251347384061.2446 }, "end": { "local": "2009-08-27T13:17:44+08:00", "utc": "2009-08-27T05:17:44Z", "ms": 1251350264061.2446 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-08-28", "window": { "start": { "local": "2009-08-28T12:29:27+08:00", "utc": "2009-08-28T04:29:27Z", "ms": 1251433766515.913 }, "end": { "local": "2009-08-28T13:17:27+08:00", "utc": "2009-08-28T05:17:27Z", "ms": 1251436646515.913 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:06 on Thu 27 Aug to 08:28 on Fri 28 Aug.", "fact": "2009-08-26T23:06:03Z → 2009-08-28T00:28:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 27th, 12:29–13:17 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14469 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Zunyi, 2009: Thursday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-27", "confidence": "determinate" } ], "quote": "In Zunyi, Rādhāṣṭamī 2009 falls on Thursday 27 August. Aṣṭamī runs from 07:06 on Thu 27 Aug to 08:28 on Fri 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-08-31", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22849, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-08-30T12:51:11+08:00", "utc": "2009-08-30T04:51:11Z", "ms": 1251607870900.407 }, "end": { "local": "2009-08-31T15:26:53+08:00", "utc": "2009-08-31T07:26:53Z", "ms": 1251703613107.6118 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-30T12:51:11+08:00", "utc": "2009-08-30T04:51:11Z", "ms": 1251607870900.407 }, "end": { "local": "2009-08-31T15:26:53+08:00", "utc": "2009-08-31T07:26:53Z", "ms": 1251703613107.6118 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-08-30", "window": { "start": { "local": "2009-08-30T06:30:22+08:00", "utc": "2009-08-29T22:30:22Z", "ms": 1251585022002.5774 }, "end": { "local": "2009-08-30T06:30:22+08:00", "utc": "2009-08-29T22:30:22Z", "ms": 1251585022002.5774 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-08-31", "window": { "start": { "local": "2009-08-31T06:30:50+08:00", "utc": "2009-08-30T22:30:50Z", "ms": 1251671450208.3145 }, "end": { "local": "2009-08-31T06:30:50+08:00", "utc": "2009-08-30T22:30:50Z", "ms": 1251671450208.3145 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:51 on Sun 30 Aug to 15:27 on Mon 31 Aug.", "fact": "2009-08-30T04:51:11Z → 2009-08-31T07:26:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 30th and 06:31 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22849 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Zunyi, 2009: Monday 31 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": "2009-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-08-31", "confidence": "determinate" } ], "quote": "In Zunyi, Parivartanī Ekādaśī 2009 falls on Monday 31 August. Ekādaśī runs from 12:51 on Sun 30 Aug to 15:27 on Mon 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7821, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-08-31T15:26:53+08:00", "utc": "2009-08-31T07:26:53Z", "ms": 1251703613107.6118 }, "end": { "local": "2009-09-01T18:01:21+08:00", "utc": "2009-09-01T10:01:21Z", "ms": 1251799280532.9883 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-08-31T15:26:53+08:00", "utc": "2009-08-31T07:26:53Z", "ms": 1251703613107.6118 }, "end": { "local": "2009-09-01T18:01:21+08:00", "utc": "2009-09-01T10:01:21Z", "ms": 1251799280532.9883 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-08-31", "window": { "start": { "local": "2009-08-31T12:28:32+08:00", "utc": "2009-08-31T04:28:32Z", "ms": 1251692911699.954 }, "end": { "local": "2009-08-31T13:16:32+08:00", "utc": "2009-08-31T05:16:32Z", "ms": 1251695791699.954 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-09-01", "window": { "start": { "local": "2009-09-01T12:28:13+08:00", "utc": "2009-09-01T04:28:13Z", "ms": 1251779292759.396 }, "end": { "local": "2009-09-01T13:16:13+08:00", "utc": "2009-09-01T05:16:13Z", "ms": 1251782172759.396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:27 on Mon 31 Aug to 18:01 on Tue 1 Sep.", "fact": "2009-08-31T07:26:53Z → 2009-09-01T10:01:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 31st, 12:28–13:16 on the 1st.", "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 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: unstated → only-day · margin 7821 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Zunyi, 2009: Tuesday 1 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": "2009-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vāmana Jayantī 2009 falls on Tuesday 1 September. Dvādaśī runs from 15:27 on Mon 31 Aug to 18:01 on Tue 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-09-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1148, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-09-01T18:01:21+08:00", "utc": "2009-09-01T10:01:21Z", "ms": 1251799280532.9883 }, "end": { "local": "2009-09-02T20:23:35+08:00", "utc": "2009-09-02T12:23:35Z", "ms": 1251894215032.7695 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-09-01T18:01:21+08:00", "utc": "2009-09-01T10:01:21Z", "ms": 1251799280532.9883 }, "end": { "local": "2009-09-02T20:23:35+08:00", "utc": "2009-09-02T12:23:35Z", "ms": 1251894215032.7695 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-09-01", "window": { "start": { "local": "2009-09-01T19:13:07+08:00", "utc": "2009-09-01T11:13:07Z", "ms": 1251803587251.0632 }, "end": { "local": "2009-09-01T20:43:36+08:00", "utc": "2009-09-01T12:43:36Z", "ms": 1251809016443.107 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2009-09-02", "window": { "start": { "local": "2009-09-02T19:12:01+08:00", "utc": "2009-09-02T11:12:01Z", "ms": 1251889920839.561 }, "end": { "local": "2009-09-02T20:42:43+08:00", "utc": "2009-09-02T12:42:43Z", "ms": 1251895362592.971 } }, "covered_min": 72, "window_min": 91, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:01 on Tue 1 Sep to 20:24 on Wed 2 Sep.", "fact": "2009-09-01T10:01:21Z → 2009-09-02T12:23:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:44 on the 1st, 19:12–20:43 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 1st and 72 of 91 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1148 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Tuesday 1 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": "2009-09-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-01", "confidence": "boundary" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Tuesday 1 September. Trayodaśī runs from 18:01 on Tue 1 Sep to 20:24 on Wed 2 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 72 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/zunyi/festivals/2009/pradosha-vrata?on=2009-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29224, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-09-02T20:23:35+08:00", "utc": "2009-09-02T12:23:35Z", "ms": 1251894215032.7695 }, "end": { "local": "2009-09-03T22:25:37+08:00", "utc": "2009-09-03T14:25:37Z", "ms": 1251987937202.8567 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2009-09-02T20:23:35+08:00", "utc": "2009-09-02T12:23:35Z", "ms": 1251894215032.7695 }, "end": { "local": "2009-09-03T22:25:37+08:00", "utc": "2009-09-03T14:25:37Z", "ms": 1251987937202.8567 } }, "kaala": "udaya-3", "days": [ { "local_date": "2009-09-03", "window": { "start": { "local": "2009-09-03T06:32:14+08:00", "utc": "2009-09-02T22:32:14Z", "ms": 1251930733990.1355 }, "end": { "local": "2009-09-03T09:03:58+08:00", "utc": "2009-09-03T01:03:58Z", "ms": 1251939837988.9897 } }, "covered_min": 152, "window_min": 152, "qualifies": true }, { "local_date": "2009-09-04", "window": { "start": { "local": "2009-09-04T06:32:42+08:00", "utc": "2009-09-03T22:32:42Z", "ms": 1252017161676.08 }, "end": { "local": "2009-09-04T09:04:07+08:00", "utc": "2009-09-04T01:04:07Z", "ms": 1252026246683.54 } }, "covered_min": 0, "window_min": 151, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:24 on Wed 2 Sep to 22:26 on Thu 3 Sep.", "fact": "2009-09-02T12:23:35Z → 2009-09-03T14:25:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:32–09:04 on the 3rd, 06:33–09:04 on the 4th.", "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 152 of 152 minutes on the 3rd and 0 of 151 on the 4th.", "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 29224 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Zunyi, 2009: Thursday 3 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": "2009-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-03", "confidence": "determinate" } ], "quote": "In Zunyi, Ananta Caturdaśī 2009 falls on Thursday 3 September. Caturdaśī runs from 20:24 on Wed 2 Sep to 22:26 on Thu 3 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-09-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18183, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-09-08T02:10:03+08:00", "utc": "2009-09-07T18:10:03Z", "ms": 1252347002662.5269 }, "end": { "local": "2009-09-09T01:59:55+08:00", "utc": "2009-09-08T17:59:55Z", "ms": 1252432795497.8245 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-08T02:10:03+08:00", "utc": "2009-09-07T18:10:03Z", "ms": 1252347002662.5269 }, "end": { "local": "2009-09-09T01:59:55+08:00", "utc": "2009-09-08T17:59:55Z", "ms": 1252432795497.8245 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-09-07", "window": { "start": { "local": "2009-09-07T20:21:24+08:00", "utc": "2009-09-07T12:21:24Z", "ms": 1252326084110.3054 }, "end": { "local": "2009-09-07T20:21:24+08:00", "utc": "2009-09-07T12:21:24Z", "ms": 1252326084110.3054 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-09-08", "window": { "start": { "local": "2009-09-08T20:56:52+08:00", "utc": "2009-09-08T12:56:52Z", "ms": 1252414612474.0007 }, "end": { "local": "2009-09-08T20:56:52+08:00", "utc": "2009-09-08T12:56:52Z", "ms": 1252414612474.0007 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:10 on Tue 8 Sep to 02:00 on Wed 9 Sep.", "fact": "2009-09-07T18:10:03Z → 2009-09-08T17:59:55Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 7th and 20:57 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18183 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Tuesday 8 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": "2009-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-08", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Tuesday 8 September. Caturthī runs from 02:10 on Tue 8 Sep to 02:00 on Wed 9 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7397, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-09-10T01:25:15+08:00", "utc": "2009-09-09T17:25:15Z", "ms": 1252517114807.648 }, "end": { "local": "2009-09-11T00:26:46+08:00", "utc": "2009-09-10T16:26:46Z", "ms": 1252600006488.522 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-10T01:25:15+08:00", "utc": "2009-09-09T17:25:15Z", "ms": 1252517114807.648 }, "end": { "local": "2009-09-11T00:26:46+08:00", "utc": "2009-09-10T16:26:46Z", "ms": 1252600006488.522 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-09-09", "window": { "start": { "local": "2009-09-09T21:37:06+08:00", "utc": "2009-09-09T13:37:06Z", "ms": 1252503425558.335 }, "end": { "local": "2009-09-09T21:37:06+08:00", "utc": "2009-09-09T13:37:06Z", "ms": 1252503425558.335 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-09-10", "window": { "start": { "local": "2009-09-10T22:23:29+08:00", "utc": "2009-09-10T14:23:29Z", "ms": 1252592609365.4705 }, "end": { "local": "2009-09-10T22:23:29+08:00", "utc": "2009-09-10T14:23:29Z", "ms": 1252592609365.4705 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:25 on Thu 10 Sep to 00:27 on Fri 11 Sep.", "fact": "2009-09-09T17:25:15Z → 2009-09-10T16:26:46Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 9th and 22:23 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7397 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Zunyi, 2009: Thursday 10 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": "2009-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-10", "confidence": "determinate" } ], "quote": "In Zunyi, Candra Ṣaṣṭhī 2009 falls on Thursday 10 September. Ṣaṣṭhī runs from 01:25 on Thu 10 Sep to 00:27 on Fri 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 716, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-09-11T23:05:05+08:00", "utc": "2009-09-11T15:05:05Z", "ms": 1252681505047.0088 }, "end": { "local": "2009-09-12T21:20:51+08:00", "utc": "2009-09-12T13:20:51Z", "ms": 1252761651367.952 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-11T23:05:05+08:00", "utc": "2009-09-11T15:05:05Z", "ms": 1252681505047.0088 }, "end": { "local": "2009-09-12T21:20:51+08:00", "utc": "2009-09-12T13:20:51Z", "ms": 1252761651367.952 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-09-11", "window": { "start": { "local": "2009-09-11T23:17:01+08:00", "utc": "2009-09-11T15:17:01Z", "ms": 1252682220971.3604 }, "end": { "local": "2009-09-11T23:17:01+08:00", "utc": "2009-09-11T15:17:01Z", "ms": 1252682220971.3604 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-09-12", "window": { "start": { "local": "2009-09-13T00:17:30+08:00", "utc": "2009-09-12T16:17:30Z", "ms": 1252772250302.367 }, "end": { "local": "2009-09-13T00:17:30+08:00", "utc": "2009-09-12T16:17:30Z", "ms": 1252772250302.367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:05 on Fri 11 Sep to 21:21 on Sat 12 Sep.", "fact": "2009-09-11T15:05:05Z → 2009-09-12T13:20:51Z" }, { "step": "kaala", "text": "Moonrise is at 23:17 on the 11th and 00:18 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 11th and is not on the 12th.", "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 716 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Zunyi, 2009: Friday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-11", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālakṣmī Vrata Samāpana 2009 falls on Friday 11 September. Aṣṭamī runs from 23:05 on Fri 11 Sep to 21:21 on Sat 12 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2845, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-09-11T23:05:05+08:00", "utc": "2009-09-11T15:05:05Z", "ms": 1252681505047.0088 }, "end": { "local": "2009-09-12T21:20:51+08:00", "utc": "2009-09-12T13:20:51Z", "ms": 1252761651367.952 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-11T23:05:05+08:00", "utc": "2009-09-11T15:05:05Z", "ms": 1252681505047.0088 }, "end": { "local": "2009-09-12T21:20:51+08:00", "utc": "2009-09-12T13:20:51Z", "ms": 1252761651367.952 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-09-11", "window": { "start": { "local": "2009-09-11T19:01:47+08:00", "utc": "2009-09-11T11:01:47Z", "ms": 1252666906543.4028 }, "end": { "local": "2009-09-11T20:34:23+08:00", "utc": "2009-09-11T12:34:23Z", "ms": 1252672463108.0525 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2009-09-12", "window": { "start": { "local": "2009-09-12T19:00:37+08:00", "utc": "2009-09-12T11:00:37Z", "ms": 1252753236963.5354 }, "end": { "local": "2009-09-12T20:33:26+08:00", "utc": "2009-09-12T12:33:26Z", "ms": 1252758806446.3398 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:05 on Fri 11 Sep to 21:21 on Sat 12 Sep.", "fact": "2009-09-11T15:05:05Z → 2009-09-12T13:20:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:34 on the 11th, 19:01–20:33 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 93 minutes on the 11th and 93 of 93 on the 12th.", "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 2845 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Zunyi, 2009: Saturday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-12", "confidence": "boundary" } ], "quote": "In Zunyi, Jitāṣṭamī (Jitiya) 2009 falls on Saturday 12 September. Aṣṭamī runs from 23:05 on Fri 11 Sep to 21:21 on Sat 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-09-15", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27128, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-09-14T16:50:30+08:00", "utc": "2009-09-14T08:50:30Z", "ms": 1252918229741.9082 }, "end": { "local": "2009-09-15T14:09:51+08:00", "utc": "2009-09-15T06:09:51Z", "ms": 1252994990636.2295 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-14T16:50:30+08:00", "utc": "2009-09-14T08:50:30Z", "ms": 1252918229741.9082 }, "end": { "local": "2009-09-15T14:09:51+08:00", "utc": "2009-09-15T06:09:51Z", "ms": 1252994990636.2295 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-09-14", "window": { "start": { "local": "2009-09-14T06:37:15+08:00", "utc": "2009-09-13T22:37:15Z", "ms": 1252881435417.083 }, "end": { "local": "2009-09-14T06:37:15+08:00", "utc": "2009-09-13T22:37:15Z", "ms": 1252881435417.083 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-09-15", "window": { "start": { "local": "2009-09-15T06:37:43+08:00", "utc": "2009-09-14T22:37:43Z", "ms": 1252967862786.613 }, "end": { "local": "2009-09-15T06:37:43+08:00", "utc": "2009-09-14T22:37:43Z", "ms": 1252967862786.613 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:50 on Mon 14 Sep to 14:10 on Tue 15 Sep.", "fact": "2009-09-14T08:50:30Z → 2009-09-15T06:09:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 14th and 06:38 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27128 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Zunyi, 2009: Tuesday 15 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": "2009-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-15", "confidence": "determinate" } ], "quote": "In Zunyi, Indirā Ekādaśī 2009 falls on Tuesday 15 September. Ekādaśī runs from 16:50 on Mon 14 Sep to 14:10 on Tue 15 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-09-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27471, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-09-16T11:18:06+08:00", "utc": "2009-09-16T03:18:06Z", "ms": 1253071086104.1836 }, "end": { "local": "2009-09-17T08:21:27+08:00", "utc": "2009-09-17T00:21:27Z", "ms": 1253146887365.5286 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-16T11:18:06+08:00", "utc": "2009-09-16T03:18:06Z", "ms": 1253071086104.1836 }, "end": { "local": "2009-09-17T08:21:27+08:00", "utc": "2009-09-17T00:21:27Z", "ms": 1253146887365.5286 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-09-16", "window": { "start": { "local": "2009-09-16T18:55:57+08:00", "utc": "2009-09-16T10:55:57Z", "ms": 1253098557290.2441 }, "end": { "local": "2009-09-16T20:29:39+08:00", "utc": "2009-09-16T12:29:39Z", "ms": 1253104178674.846 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2009-09-17", "window": { "start": { "local": "2009-09-17T18:54:47+08:00", "utc": "2009-09-17T10:54:47Z", "ms": 1253184887161.6199 }, "end": { "local": "2009-09-17T20:28:42+08:00", "utc": "2009-09-17T12:28:42Z", "ms": 1253190521568.1343 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:18 on Wed 16 Sep to 08:21 on Thu 17 Sep.", "fact": "2009-09-16T03:18:06Z → 2009-09-17T00:21:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:30 on the 16th, 18:55–20:29 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 16th and 0 of 94 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27471 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Wednesday 16 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": "2009-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-16", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Wednesday 16 September. Trayodaśī runs from 11:18 on Wed 16 Sep to 08:21 on Thu 17 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-09-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15386, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-09-17T08:21:27+08:00", "utc": "2009-09-17T00:21:27Z", "ms": 1253146887365.5286 }, "end": { "local": "2009-09-18T05:27:22+08:00", "utc": "2009-09-17T21:27:22Z", "ms": 1253222842190.4714 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-17T08:21:27+08:00", "utc": "2009-09-17T00:21:27Z", "ms": 1253146887365.5286 }, "end": { "local": "2009-09-18T05:27:22+08:00", "utc": "2009-09-17T21:27:22Z", "ms": 1253222842190.4714 } }, "kaala": "nishita", "days": [ { "local_date": "2009-09-16", "window": { "start": { "local": "2009-09-17T00:23:17+08:00", "utc": "2009-09-16T16:23:17Z", "ms": 1253118197482.5005 }, "end": { "local": "2009-09-17T01:11:17+08:00", "utc": "2009-09-16T17:11:17Z", "ms": 1253121077482.5005 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-09-17", "window": { "start": { "local": "2009-09-18T00:22:56+08:00", "utc": "2009-09-17T16:22:56Z", "ms": 1253204576186.0486 }, "end": { "local": "2009-09-18T01:10:56+08:00", "utc": "2009-09-17T17:10:56Z", "ms": 1253207456186.0486 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:21 on Thu 17 Sep to 05:27 on Fri 18 Sep.", "fact": "2009-09-17T00:21:27Z → 2009-09-17T21:27:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:23–01:11 on the 16th, 00:23–01:11 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15386 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Thursday 17 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": "2009-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-17", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Thursday 17 September. Caturdaśī runs from 08:21 on Thu 17 Sep to 05:27 on Fri 18 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30746, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2009-09-18T05:27:22+08:00", "utc": "2009-09-17T21:27:22Z", "ms": 1253222842190.4714 }, "end": { "local": "2009-09-19T02:44:19+08:00", "utc": "2009-09-18T18:44:19Z", "ms": 1253299458558.386 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-18T05:27:22+08:00", "utc": "2009-09-17T21:27:22Z", "ms": 1253222842190.4714 }, "end": { "local": "2009-09-19T02:44:19+08:00", "utc": "2009-09-18T18:44:19Z", "ms": 1253299458558.386 } }, "kaala": "aparahna", "days": [ { "local_date": "2009-09-18", "window": { "start": { "local": "2009-09-18T13:59:48+08:00", "utc": "2009-09-18T05:59:48Z", "ms": 1253253588282.5037 }, "end": { "local": "2009-09-18T16:26:43+08:00", "utc": "2009-09-18T08:26:43Z", "ms": 1253262402639.846 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "2009-09-19", "window": { "start": { "local": "2009-09-19T13:59:17+08:00", "utc": "2009-09-19T05:59:17Z", "ms": 1253339957219.347 }, "end": { "local": "2009-09-19T16:25:52+08:00", "utc": "2009-09-19T08:25:52Z", "ms": 1253348752019.772 } }, "covered_min": 0, "window_min": 147, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 05:27 on Fri 18 Sep to 02:44 on Sat 19 Sep.", "fact": "2009-09-17T21:27:22Z → 2009-09-18T18:44:19Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 14:00–16:27 on the 18th, 13:59–16:26 on the 19th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 147 of 147 minutes on the 18th and 0 of 147 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30746 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Zunyi, 2009: Friday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-18", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālaya Amāvāsyā 2009 falls on Friday 18 September. Amāvasyā runs from 05:27 on Fri 18 Sep to 02:44 on Sat 19 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34661, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-09-19T02:44:19+08:00", "utc": "2009-09-18T18:44:19Z", "ms": 1253299458558.386 }, "end": { "local": "2009-09-20T00:21:20+08:00", "utc": "2009-09-19T16:21:20Z", "ms": 1253377280377.335 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-19T02:44:19+08:00", "utc": "2009-09-18T18:44:19Z", "ms": 1253299458558.386 }, "end": { "local": "2009-09-20T00:21:20+08:00", "utc": "2009-09-19T16:21:20Z", "ms": 1253377280377.335 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-09-19", "window": { "start": { "local": "2009-09-19T12:22:00+08:00", "utc": "2009-09-19T04:22:00Z", "ms": 1253334119819.1343 }, "end": { "local": "2009-09-19T13:10:00+08:00", "utc": "2009-09-19T05:10:00Z", "ms": 1253336999819.1343 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-09-20", "window": { "start": { "local": "2009-09-20T12:21:39+08:00", "utc": "2009-09-20T04:21:39Z", "ms": 1253420498579.8286 }, "end": { "local": "2009-09-20T13:09:39+08:00", "utc": "2009-09-20T05:09:39Z", "ms": 1253423378579.8286 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:44 on Sat 19 Sep to 00:21 on Sun 20 Sep.", "fact": "2009-09-18T18:44:19Z → 2009-09-19T16:21:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 19th, 12:22–13:10 on the 20th.", "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 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 34661 s" }, { "step": "ruling", "text": "Navarātrārambha, Zunyi, 2009: Saturday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-19", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Navratri) 2009 falls on Saturday 19 September. Pratipadā runs from 02:44 on Sat 19 Sep to 00:21 on Sun 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-09-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27023, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-09-21T21:11:21+08:00", "utc": "2009-09-21T13:11:21Z", "ms": 1253538680640.831 }, "end": { "local": "2009-09-22T20:39:20+08:00", "utc": "2009-09-22T12:39:20Z", "ms": 1253623159677.9155 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-21T21:11:21+08:00", "utc": "2009-09-21T13:11:21Z", "ms": 1253538680640.831 }, "end": { "local": "2009-09-22T20:39:20+08:00", "utc": "2009-09-22T12:39:20Z", "ms": 1253623159677.9155 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-09-21", "window": { "start": { "local": "2009-09-21T12:21:17+08:00", "utc": "2009-09-21T04:21:17Z", "ms": 1253506877402.0815 }, "end": { "local": "2009-09-21T13:09:17+08:00", "utc": "2009-09-21T05:09:17Z", "ms": 1253509757402.0815 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-09-22", "window": { "start": { "local": "2009-09-22T12:20:56+08:00", "utc": "2009-09-22T04:20:56Z", "ms": 1253593256302.7134 }, "end": { "local": "2009-09-22T13:08:56+08:00", "utc": "2009-09-22T05:08:56Z", "ms": 1253596136302.7134 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:11 on Mon 21 Sep to 20:39 on Tue 22 Sep.", "fact": "2009-09-21T13:11:21Z → 2009-09-22T12:39:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 21st, 12:21–13:09 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27023 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Tuesday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-22", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Tuesday 22 September. Caturthī runs from 21:11 on Mon 21 Sep to 20:39 on Tue 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25118, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-09-24T21:58:39+08:00", "utc": "2009-09-24T13:58:39Z", "ms": 1253800718736.5354 }, "end": { "local": "2009-09-25T23:44:11+08:00", "utc": "2009-09-25T15:44:11Z", "ms": 1253893451343.2332 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-24T21:58:39+08:00", "utc": "2009-09-24T13:58:39Z", "ms": 1253800718736.5354 }, "end": { "local": "2009-09-25T23:44:11+08:00", "utc": "2009-09-25T15:44:11Z", "ms": 1253893451343.2332 } }, "kaala": "udaya-1", "days": [ { "local_date": "2009-09-25", "window": { "start": { "local": "2009-09-25T06:42:20+08:00", "utc": "2009-09-24T22:42:20Z", "ms": 1253832140469.6128 }, "end": { "local": "2009-09-25T07:30:33+08:00", "utc": "2009-09-24T23:30:33Z", "ms": 1253835032894.258 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-09-26", "window": { "start": { "local": "2009-09-26T06:42:49+08:00", "utc": "2009-09-25T22:42:49Z", "ms": 1253918568844.0146 }, "end": { "local": "2009-09-26T07:30:55+08:00", "utc": "2009-09-25T23:30:55Z", "ms": 1253921454738.3796 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:59 on Thu 24 Sep to 23:44 on Fri 25 Sep.", "fact": "2009-09-24T13:58:39Z → 2009-09-25T15:44:11Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:42–07:31 on the 25th, 06:43–07:31 on the 26th.", "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 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. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25118 s" }, { "step": "ruling", "text": "Durgā Saptamī, Zunyi, 2009: Friday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-25", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Saptamī 2009 falls on Friday 25 September. Saptamī runs from 21:59 on Thu 24 Sep to 23:44 on Fri 25 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37064, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-09-25T23:44:11+08:00", "utc": "2009-09-25T15:44:11Z", "ms": 1253893451343.2332 }, "end": { "local": "2009-09-27T02:01:29+08:00", "utc": "2009-09-26T18:01:29Z", "ms": 1253988089121.9019 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-25T23:44:11+08:00", "utc": "2009-09-25T15:44:11Z", "ms": 1253893451343.2332 }, "end": { "local": "2009-09-27T02:01:29+08:00", "utc": "2009-09-26T18:01:29Z", "ms": 1253988089121.9019 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-09-26", "window": { "start": { "local": "2009-09-26T12:19:33+08:00", "utc": "2009-09-26T04:19:33Z", "ms": 1253938773051.752 }, "end": { "local": "2009-09-26T13:07:33+08:00", "utc": "2009-09-26T05:07:33Z", "ms": 1253941653051.752 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-09-27", "window": { "start": { "local": "2009-09-27T12:19:13+08:00", "utc": "2009-09-27T04:19:13Z", "ms": 1254025152622.3223 }, "end": { "local": "2009-09-27T13:07:13+08:00", "utc": "2009-09-27T05:07:13Z", "ms": 1254028032622.3223 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:44 on Fri 25 Sep to 02:01 on Sun 27 Sep.", "fact": "2009-09-25T15:44:11Z → 2009-09-26T18:01:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 26th, 12:19–13:07 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 37064 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Zunyi, 2009: Saturday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-26", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāṣṭamī (Durga Ashtami) 2009 falls on Saturday 26 September. Aṣṭamī runs from 23:44 on Fri 25 Sep to 02:01 on Sun 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27754, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2009-09-27T02:01:29+08:00", "utc": "2009-09-26T18:01:29Z", "ms": 1253988089121.9019 }, "end": { "local": "2009-09-28T04:36:19+08:00", "utc": "2009-09-27T20:36:19Z", "ms": 1254083778852.9243 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-27T02:01:29+08:00", "utc": "2009-09-26T18:01:29Z", "ms": 1253988089121.9019 }, "end": { "local": "2009-09-28T04:36:19+08:00", "utc": "2009-09-27T20:36:19Z", "ms": 1254083778852.9243 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-09-27", "window": { "start": { "local": "2009-09-27T12:19:13+08:00", "utc": "2009-09-27T04:19:13Z", "ms": 1254025152622.3223 }, "end": { "local": "2009-09-27T13:07:13+08:00", "utc": "2009-09-27T05:07:13Z", "ms": 1254028032622.3223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-09-28", "window": { "start": { "local": "2009-09-28T12:18:52+08:00", "utc": "2009-09-28T04:18:52Z", "ms": 1254111532386.8613 }, "end": { "local": "2009-09-28T13:06:52+08:00", "utc": "2009-09-28T05:06:52Z", "ms": 1254114412386.8613 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:01 on Sun 27 Sep to 04:36 on Mon 28 Sep.", "fact": "2009-09-26T18:01:29Z → 2009-09-27T20:36:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 27th, 12:19–13:07 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27754 s" }, { "step": "ruling", "text": "Mahānavamī, Zunyi, 2009: Sunday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-27", "confidence": "determinate" } ], "quote": "In Zunyi, Mahānavamī 2009 falls on Sunday 27 September. Navamī runs from 02:01 on Sun 27 Sep to 04:36 on Mon 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1714, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2009-09-28T04:36:19+08:00", "utc": "2009-09-27T20:36:19Z", "ms": 1254083778852.9243 }, "end": { "local": "2009-09-29T07:12:49+08:00", "utc": "2009-09-28T23:12:49Z", "ms": 1254179569413.1177 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2009-09-29T03:13:56+08:00", "utc": "2009-09-28T19:13:56Z", "ms": 1254165235638.0315 }, "end": { "local": "2009-09-29T07:12:49+08:00", "utc": "2009-09-28T23:12:49Z", "ms": 1254179569413.1177 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2009-09-29T03:13:56+08:00", "utc": "2009-09-28T19:13:56Z", "ms": 1254165235638.0315 }, "end": { "local": "2009-09-30T06:10:26+08:00", "utc": "2009-09-29T22:10:26Z", "ms": 1254262225724.2354 } } }, "kaala": "daytime", "days": [ { "local_date": "2009-09-28", "window": { "start": { "local": "2009-09-28T06:43:46+08:00", "utc": "2009-09-27T22:43:46Z", "ms": 1254091426075.7998 }, "end": { "local": "2009-09-28T18:41:59+08:00", "utc": "2009-09-28T10:41:59Z", "ms": 1254134518697.9226 } }, "covered_min": 0, "window_min": 718, "qualifies": false }, { "local_date": "2009-09-29", "window": { "start": { "local": "2009-09-29T06:44:15+08:00", "utc": "2009-09-28T22:44:15Z", "ms": 1254177854961.3013 }, "end": { "local": "2009-09-29T18:40:50+08:00", "utc": "2009-09-29T10:40:50Z", "ms": 1254220849771.6917 } }, "covered_min": 29, "window_min": 717, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 04:36 on Mon 28 Sep to 07:13 on Tue 29 Sep, and Śravaṇa from 03:14 on Tue 29 Sep to 06:10 on Wed 30 Sep. They are together from 03:14 on Tue 29 Sep to 07:13 on Tue 29 Sep.", "fact": "2009-09-28T19:13:56Z → 2009-09-28T23:12:49Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:44–18:42 on the 28th, 06:44–18:41 on the 29th.", "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 718 minutes on the 28th and 29 of 717 on the 29th.", "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 1714 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Zunyi, 2009: Tuesday 29 September.", "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": "2009-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-29", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Daśamī (Dussehra) 2009 falls on Tuesday 29 September. Daśamī runs from 04:36 on Mon 28 Sep to 07:13 on Tue 29 Sep and is with Śravaṇa in the day time that day, for 29 minutes.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-09-30", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1714, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-09-29T07:12:49+08:00", "utc": "2009-09-28T23:12:49Z", "ms": 1254179569413.1177 }, "end": { "local": "2009-09-30T09:36:10+08:00", "utc": "2009-09-30T01:36:10Z", "ms": 1254274570106.4285 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-09-29T07:12:49+08:00", "utc": "2009-09-28T23:12:49Z", "ms": 1254179569413.1177 }, "end": { "local": "2009-09-30T09:36:10+08:00", "utc": "2009-09-30T01:36:10Z", "ms": 1254274570106.4285 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-09-29", "window": { "start": { "local": "2009-09-29T06:44:15+08:00", "utc": "2009-09-28T22:44:15Z", "ms": 1254177854961.3013 }, "end": { "local": "2009-09-29T06:44:15+08:00", "utc": "2009-09-28T22:44:15Z", "ms": 1254177854961.3013 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-09-30", "window": { "start": { "local": "2009-09-30T06:44:44+08:00", "utc": "2009-09-29T22:44:44Z", "ms": 1254264284046.1062 }, "end": { "local": "2009-09-30T06:44:44+08:00", "utc": "2009-09-29T22:44:44Z", "ms": 1254264284046.1062 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:13 on Tue 29 Sep to 09:36 on Wed 30 Sep.", "fact": "2009-09-28T23:12:49Z → 2009-09-30T01:36:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 29th and 06:45 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1714 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Zunyi, 2009: Wednesday 30 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": "2009-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-09-30", "confidence": "determinate" } ], "quote": "In Zunyi, Pāśāṅkuśā Ekādaśī 2009 falls on Wednesday 30 September. Ekādaśī runs from 07:13 on Tue 29 Sep to 09:36 on Wed 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-10-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20173, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-10-01T11:34:43+08:00", "utc": "2009-10-01T03:34:43Z", "ms": 1254368082784.2998 }, "end": { "local": "2009-10-02T13:01:12+08:00", "utc": "2009-10-02T05:01:12Z", "ms": 1254459671572.2292 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2009-10-01T11:34:43+08:00", "utc": "2009-10-01T03:34:43Z", "ms": 1254368082784.2998 }, "end": { "local": "2009-10-02T13:01:12+08:00", "utc": "2009-10-02T05:01:12Z", "ms": 1254459671572.2292 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-01", "window": { "start": { "local": "2009-10-01T18:38:33+08:00", "utc": "2009-10-01T10:38:33Z", "ms": 1254393512769.923 }, "end": { "local": "2009-10-01T20:15:30+08:00", "utc": "2009-10-01T12:15:30Z", "ms": 1254399330117.3296 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2009-10-02", "window": { "start": { "local": "2009-10-02T18:37:25+08:00", "utc": "2009-10-02T10:37:25Z", "ms": 1254479844752.208 }, "end": { "local": "2009-10-02T20:14:35+08:00", "utc": "2009-10-02T12:14:35Z", "ms": 1254485675138.8503 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:35 on Thu 1 Oct to 13:01 on Fri 2 Oct.", "fact": "2009-10-01T03:34:43Z → 2009-10-02T05:01:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:16 on the 1st, 18:37–20:15 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 1st and 0 of 97 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20173 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Thursday 1 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": "2009-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-01", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Thursday 1 October. Trayodaśī runs from 11:35 on Thu 1 Oct to 13:01 on Fri 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29147, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-10-07T12:16:03+08:00", "utc": "2009-10-07T04:16:03Z", "ms": 1254888962773.239 }, "end": { "local": "2009-10-08T10:58:12+08:00", "utc": "2009-10-08T02:58:12Z", "ms": 1254970692377.0305 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-07T12:16:03+08:00", "utc": "2009-10-07T04:16:03Z", "ms": 1254888962773.239 }, "end": { "local": "2009-10-08T10:58:12+08:00", "utc": "2009-10-08T02:58:12Z", "ms": 1254970692377.0305 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-10-07", "window": { "start": { "local": "2009-10-07T20:21:50+08:00", "utc": "2009-10-07T12:21:50Z", "ms": 1254918109873.932 }, "end": { "local": "2009-10-07T20:21:50+08:00", "utc": "2009-10-07T12:21:50Z", "ms": 1254918109873.932 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-10-08", "window": { "start": { "local": "2009-10-08T21:13:40+08:00", "utc": "2009-10-08T13:13:40Z", "ms": 1255007619545.0925 }, "end": { "local": "2009-10-08T21:13:40+08:00", "utc": "2009-10-08T13:13:40Z", "ms": 1255007619545.0925 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:16 on Wed 7 Oct to 10:58 on Thu 8 Oct.", "fact": "2009-10-07T04:16:03Z → 2009-10-08T02:58:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 7th and 21:14 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29147 s" }, { "step": "ruling", "text": "Karaka Caturthī, Zunyi, 2009: Wednesday 7 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": "2009-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-07", "confidence": "determinate" } ], "quote": "In Zunyi, Karaka Caturthī (Karwa Chauth) 2009 falls on Wednesday 7 October. Caturthī runs from 12:16 on Wed 7 Oct to 10:58 on Thu 8 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-10-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29147, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-10-07T12:16:03+08:00", "utc": "2009-10-07T04:16:03Z", "ms": 1254888962773.239 }, "end": { "local": "2009-10-08T10:58:12+08:00", "utc": "2009-10-08T02:58:12Z", "ms": 1254970692377.0305 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-07T12:16:03+08:00", "utc": "2009-10-07T04:16:03Z", "ms": 1254888962773.239 }, "end": { "local": "2009-10-08T10:58:12+08:00", "utc": "2009-10-08T02:58:12Z", "ms": 1254970692377.0305 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-10-07", "window": { "start": { "local": "2009-10-07T20:21:50+08:00", "utc": "2009-10-07T12:21:50Z", "ms": 1254918109873.932 }, "end": { "local": "2009-10-07T20:21:50+08:00", "utc": "2009-10-07T12:21:50Z", "ms": 1254918109873.932 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-10-08", "window": { "start": { "local": "2009-10-08T21:13:40+08:00", "utc": "2009-10-08T13:13:40Z", "ms": 1255007619545.0925 }, "end": { "local": "2009-10-08T21:13:40+08:00", "utc": "2009-10-08T13:13:40Z", "ms": 1255007619545.0925 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:16 on Wed 7 Oct to 10:58 on Thu 8 Oct.", "fact": "2009-10-07T04:16:03Z → 2009-10-08T02:58:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 7th and 21:14 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29147 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Wednesday 7 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": "2009-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-07", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Wednesday 7 October. Caturthī runs from 12:16 on Wed 7 Oct to 10:58 on Thu 8 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12795, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-10-11T05:54:23+08:00", "utc": "2009-10-10T21:54:23Z", "ms": 1255211663460.7043 }, "end": { "local": "2009-10-12T03:55:19+08:00", "utc": "2009-10-11T19:55:19Z", "ms": 1255290919200.0989 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-11T05:54:23+08:00", "utc": "2009-10-10T21:54:23Z", "ms": 1255211663460.7043 }, "end": { "local": "2009-10-12T03:55:19+08:00", "utc": "2009-10-11T19:55:19Z", "ms": 1255290919200.0989 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-10-10", "window": { "start": { "local": "2009-10-10T23:15:44+08:00", "utc": "2009-10-10T15:15:44Z", "ms": 1255187743903.999 }, "end": { "local": "2009-10-10T23:15:44+08:00", "utc": "2009-10-10T15:15:44Z", "ms": 1255187743903.999 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-10-11", "window": { "start": { "local": "2009-10-12T00:22:05+08:00", "utc": "2009-10-11T16:22:05Z", "ms": 1255278124663.8845 }, "end": { "local": "2009-10-12T00:22:05+08:00", "utc": "2009-10-11T16:22:05Z", "ms": 1255278124663.8845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:54 on Sun 11 Oct to 03:55 on Mon 12 Oct.", "fact": "2009-10-10T21:54:23Z → 2009-10-11T19:55:19Z" }, { "step": "kaala", "text": "Moonrise is at 23:16 on the 10th and 00:22 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12795 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Zunyi, 2009: Sunday 11 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": "2009-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-11", "confidence": "determinate" } ], "quote": "In Zunyi, Ahoyī Aṣṭamī 2009 falls on Sunday 11 October. Aṣṭamī runs from 05:54 on Sun 11 Oct to 03:55 on Mon 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-10-14", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26084, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-10-13T23:37:18+08:00", "utc": "2009-10-13T15:37:18Z", "ms": 1255448237525.1938 }, "end": { "local": "2009-10-14T21:22:30+08:00", "utc": "2009-10-14T13:22:30Z", "ms": 1255526549641.4878 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-13T23:37:18+08:00", "utc": "2009-10-13T15:37:18Z", "ms": 1255448237525.1938 }, "end": { "local": "2009-10-14T21:22:30+08:00", "utc": "2009-10-14T13:22:30Z", "ms": 1255526549641.4878 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-10-14", "window": { "start": { "local": "2009-10-14T06:52:01+08:00", "utc": "2009-10-13T22:52:01Z", "ms": 1255474321078.473 }, "end": { "local": "2009-10-14T06:52:01+08:00", "utc": "2009-10-13T22:52:01Z", "ms": 1255474321078.473 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-10-15", "window": { "start": { "local": "2009-10-15T06:52:35+08:00", "utc": "2009-10-14T22:52:35Z", "ms": 1255560754997.0242 }, "end": { "local": "2009-10-15T06:52:35+08:00", "utc": "2009-10-14T22:52:35Z", "ms": 1255560754997.0242 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:37 on Tue 13 Oct to 21:22 on Wed 14 Oct.", "fact": "2009-10-13T15:37:18Z → 2009-10-14T13:22:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 14th and 06:53 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26084 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Zunyi, 2009: Wednesday 14 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": "2009-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-14", "confidence": "determinate" } ], "quote": "In Zunyi, Ramā Ekādaśī 2009 falls on Wednesday 14 October. Ekādaśī runs from 23:37 on Tue 13 Oct to 21:22 on Wed 14 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2716, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-10-14T21:22:30+08:00", "utc": "2009-10-14T13:22:30Z", "ms": 1255526549641.4878 }, "end": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-14T21:22:30+08:00", "utc": "2009-10-14T13:22:30Z", "ms": 1255526549641.4878 }, "end": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-14", "window": { "start": { "local": "2009-10-14T18:24:25+08:00", "utc": "2009-10-14T10:24:25Z", "ms": 1255515865337.055 }, "end": { "local": "2009-10-14T20:04:11+08:00", "utc": "2009-10-14T12:04:11Z", "ms": 1255521850625.0508 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2009-10-15", "window": { "start": { "local": "2009-10-15T18:23:24+08:00", "utc": "2009-10-15T10:23:24Z", "ms": 1255602204358.8118 }, "end": { "local": "2009-10-15T20:03:22+08:00", "utc": "2009-10-15T12:03:22Z", "ms": 1255608202354.3909 } }, "covered_min": 45, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:22 on Wed 14 Oct to 19:09 on Thu 15 Oct.", "fact": "2009-10-14T13:22:30Z → 2009-10-15T11:08:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:04 on the 14th, 18:23–20:03 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 14th and 45 of 100 on the 15th.", "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 2716 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Zunyi, 2009: Thursday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-15", "confidence": "determinate" } ], "quote": "In Zunyi, Govatsa Dvādaśī (Vasu Baras) 2009 falls on Thursday 15 October. Dvādaśī runs from 21:22 on Wed 14 Oct to 19:09 on Thu 15 Oct and covers 45 of 100 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2716, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 }, "end": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 }, "end": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-15", "window": { "start": { "local": "2009-10-15T18:23:24+08:00", "utc": "2009-10-15T10:23:24Z", "ms": 1255602204358.8118 }, "end": { "local": "2009-10-15T20:03:22+08:00", "utc": "2009-10-15T12:03:22Z", "ms": 1255608202354.3909 } }, "covered_min": 55, "window_min": 100, "qualifies": true }, { "local_date": "2009-10-16", "window": { "start": { "local": "2009-10-16T18:22:24+08:00", "utc": "2009-10-16T10:22:24Z", "ms": 1255688544122.353 }, "end": { "local": "2009-10-16T20:02:35+08:00", "utc": "2009-10-16T12:02:35Z", "ms": 1255694554781.6978 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:09 on Thu 15 Oct to 17:01 on Fri 16 Oct.", "fact": "2009-10-15T11:08:41Z → 2009-10-16T09:01:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–20:03 on the 15th, 18:22–20:03 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 55 of 100 minutes on the 15th and 0 of 100 on the 16th.", "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 2716 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Zunyi, 2009: Thursday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-15", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dīpadāna 2009 falls on Thursday 15 October. Trayodaśī runs from 19:09 on Thu 15 Oct to 17:01 on Fri 16 Oct and covers 55 of 100 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-10-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2716, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 }, "end": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-15T19:08:41+08:00", "utc": "2009-10-15T11:08:41Z", "ms": 1255604920837.2249 }, "end": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-15", "window": { "start": { "local": "2009-10-15T18:23:24+08:00", "utc": "2009-10-15T10:23:24Z", "ms": 1255602204358.8118 }, "end": { "local": "2009-10-15T20:03:22+08:00", "utc": "2009-10-15T12:03:22Z", "ms": 1255608202354.3909 } }, "covered_min": 55, "window_min": 100, "qualifies": true }, { "local_date": "2009-10-16", "window": { "start": { "local": "2009-10-16T18:22:24+08:00", "utc": "2009-10-16T10:22:24Z", "ms": 1255688544122.353 }, "end": { "local": "2009-10-16T20:02:35+08:00", "utc": "2009-10-16T12:02:35Z", "ms": 1255694554781.6978 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:09 on Thu 15 Oct to 17:01 on Fri 16 Oct.", "fact": "2009-10-15T11:08:41Z → 2009-10-16T09:01:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–20:03 on the 15th, 18:22–20:03 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 55 of 100 minutes on the 15th and 0 of 100 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2716 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Thursday 15 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": "2009-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-15", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Thursday 15 October. Trayodaśī runs from 19:09 on Thu 15 Oct to 17:01 on Fri 16 Oct and covers 55 of 100 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-10-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25969, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "end": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "end": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 } }, "kaala": "nishita", "days": [ { "local_date": "2009-10-16", "window": { "start": { "local": "2009-10-17T00:14:04+08:00", "utc": "2009-10-16T16:14:04Z", "ms": 1255709644094.8955 }, "end": { "local": "2009-10-17T01:02:04+08:00", "utc": "2009-10-16T17:02:04Z", "ms": 1255712524094.8955 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-10-17", "window": { "start": { "local": "2009-10-18T00:13:52+08:00", "utc": "2009-10-17T16:13:52Z", "ms": 1255796031938.4155 }, "end": { "local": "2009-10-18T01:01:52+08:00", "utc": "2009-10-17T17:01:52Z", "ms": 1255798911938.4155 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:01 on Fri 16 Oct to 15:07 on Sat 17 Oct.", "fact": "2009-10-16T09:01:15Z → 2009-10-17T07:06:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 16th, 00:14–01:02 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25969 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Friday 16 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": "2009-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-16", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Friday 16 October. Caturdaśī runs from 17:01 on Fri 16 Oct to 15:07 on Sat 17 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29589, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "end": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-16T17:01:15+08:00", "utc": "2009-10-16T09:01:15Z", "ms": 1255683675269.9565 }, "end": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 } }, "kaala": "arunodaya", "days": [ { "local_date": "2009-10-16", "window": { "start": { "local": "2009-10-16T05:13:11+08:00", "utc": "2009-10-15T21:13:11Z", "ms": 1255641191330.076 }, "end": { "local": "2009-10-16T06:53:09+08:00", "utc": "2009-10-15T22:53:09Z", "ms": 1255647189325.655 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2009-10-17", "window": { "start": { "local": "2009-10-17T05:13:33+08:00", "utc": "2009-10-16T21:13:33Z", "ms": 1255727613408.0933 }, "end": { "local": "2009-10-17T06:53:44+08:00", "utc": "2009-10-16T22:53:44Z", "ms": 1255733624067.438 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:01 on Fri 16 Oct to 15:07 on Sat 17 Oct.", "fact": "2009-10-16T09:01:15Z → 2009-10-17T07:06:53Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:13–06:53 on the 16th, 05:14–06:54 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 0 of 100 minutes on the 16th and 100 of 100 on the 17th.", "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 29589 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Zunyi, 2009: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-17", "confidence": "determinate" } ], "quote": "In Zunyi, Naraka Caturdaśī (Choti Diwali) 2009 falls on Saturday 17 October. Caturdaśī runs from 17:01 on Fri 16 Oct to 15:07 on Sat 17 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11672, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "end": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "end": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-17", "window": { "start": { "local": "2009-10-17T18:21:25+08:00", "utc": "2009-10-17T10:21:25Z", "ms": 1255774884652.519 }, "end": { "local": "2009-10-17T20:01:48+08:00", "utc": "2009-10-17T12:01:48Z", "ms": 1255780907928.758 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2009-10-18", "window": { "start": { "local": "2009-10-18T18:20:26+08:00", "utc": "2009-10-18T10:20:26Z", "ms": 1255861225973.6514 }, "end": { "local": "2009-10-18T20:01:02+08:00", "utc": "2009-10-18T12:01:02Z", "ms": 1255867261816.8088 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct.", "fact": "2009-10-17T07:06:53Z → 2009-10-18T05:33:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–20:02 on the 17th, 18:20–20:01 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 100 of 100 minutes on the 17th and 0 of 101 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11672 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Zunyi, 2009: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-17", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pūjā (Diwali) 2009 falls on Saturday 17 October. Amāvasyā runs from 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32819, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "end": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-17T15:06:53+08:00", "utc": "2009-10-17T07:06:53Z", "ms": 1255763212735.9167 }, "end": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 } }, "kaala": "nishita", "days": [ { "local_date": "2009-10-17", "window": { "start": { "local": "2009-10-18T00:13:52+08:00", "utc": "2009-10-17T16:13:52Z", "ms": 1255796031938.4155 }, "end": { "local": "2009-10-18T01:01:52+08:00", "utc": "2009-10-17T17:01:52Z", "ms": 1255798911938.4155 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-10-18", "window": { "start": { "local": "2009-10-19T00:13:40+08:00", "utc": "2009-10-18T16:13:40Z", "ms": 1255882420385.492 }, "end": { "local": "2009-10-19T01:01:40+08:00", "utc": "2009-10-18T17:01:40Z", "ms": 1255885300385.492 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct.", "fact": "2009-10-17T07:06:53Z → 2009-10-18T05:33:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 17th, 00:14–01:02 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32819 s" }, { "step": "ruling", "text": "Kālī Pūjā, Zunyi, 2009: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-17", "confidence": "determinate" } ], "quote": "In Zunyi, Kālī Pūjā 2009 falls on Saturday 17 October. Amāvasyā runs from 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17241, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-18", "window": { "start": { "local": "2009-10-18T18:20:26+08:00", "utc": "2009-10-18T10:20:26Z", "ms": 1255861225973.6514 }, "end": { "local": "2009-10-18T20:01:02+08:00", "utc": "2009-10-18T12:01:02Z", "ms": 1255867261816.8088 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2009-10-19", "window": { "start": { "local": "2009-10-19T18:19:28+08:00", "utc": "2009-10-19T10:19:28Z", "ms": 1255947568109.9355 }, "end": { "local": "2009-10-19T20:00:16+08:00", "utc": "2009-10-19T12:00:16Z", "ms": 1255953616466.8691 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct.", "fact": "2009-10-18T05:33:05Z → 2009-10-19T04:27:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–20:01 on the 18th, 18:19–20:00 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 101 of 101 minutes on the 18th and 0 of 101 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17241 s" }, { "step": "ruling", "text": "Bali Pūjā, Zunyi, 2009: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Bali Pūjā 2009 falls on Sunday 18 October. Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 866, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-18", "window": { "start": { "local": "2009-10-18T12:13:23+08:00", "utc": "2009-10-18T04:13:23Z", "ms": 1255839202598.982 }, "end": { "local": "2009-10-18T13:01:23+08:00", "utc": "2009-10-18T05:01:23Z", "ms": 1255842082598.982 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-10-19", "window": { "start": { "local": "2009-10-19T12:13:11+08:00", "utc": "2009-10-19T04:13:11Z", "ms": 1255925591453.634 }, "end": { "local": "2009-10-19T13:01:11+08:00", "utc": "2009-10-19T05:01:11Z", "ms": 1255928471453.634 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct.", "fact": "2009-10-18T05:33:05Z → 2009-10-19T04:27:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 18th, 12:13–13:01 on the 19th.", "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 18th and 14 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 866 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Zunyi, 2009: Monday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Govardhana Pūjā 2009 falls on Monday 19 October. Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct and covers 14 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 866, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 }, "end": { "local": "2009-10-20T11:57:40+08:00", "utc": "2009-10-20T03:57:40Z", "ms": 1256011060050.7712 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 }, "end": { "local": "2009-10-20T11:57:40+08:00", "utc": "2009-10-20T03:57:40Z", "ms": 1256011060050.7712 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-19", "window": { "start": { "local": "2009-10-19T12:13:11+08:00", "utc": "2009-10-19T04:13:11Z", "ms": 1255925591453.634 }, "end": { "local": "2009-10-19T13:01:11+08:00", "utc": "2009-10-19T05:01:11Z", "ms": 1255928471453.634 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "2009-10-20", "window": { "start": { "local": "2009-10-20T12:13:01+08:00", "utc": "2009-10-20T04:13:01Z", "ms": 1256011980936.3184 }, "end": { "local": "2009-10-20T13:01:01+08:00", "utc": "2009-10-20T05:01:01Z", "ms": 1256014860936.3184 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:28 on Mon 19 Oct to 11:58 on Tue 20 Oct.", "fact": "2009-10-19T04:27:38Z → 2009-10-20T03:57:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 19th, 12:13–13:01 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 34 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: purvaviddha → only-day · margin 866 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Zunyi, 2009: Monday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-19", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dvitīyā (Bhai Dooj) 2009 falls on Monday 19 October. Dvitīyā runs from 12:28 on Mon 19 Oct to 11:58 on Tue 20 Oct and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6272, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-18T13:33:05+08:00", "utc": "2009-10-18T05:33:05Z", "ms": 1255843984819.3923 }, "end": { "local": "2009-10-19T12:27:38+08:00", "utc": "2009-10-19T04:27:38Z", "ms": 1255926457591.824 } }, "kaala": "purvahna", "days": [ { "local_date": "2009-10-18", "window": { "start": { "local": "2009-10-18T06:54:19+08:00", "utc": "2009-10-17T22:54:19Z", "ms": 1255820059224.3123 }, "end": { "local": "2009-10-18T10:43:01+08:00", "utc": "2009-10-18T02:43:01Z", "ms": 1255833781474.092 } }, "covered_min": 0, "window_min": 229, "qualifies": false }, { "local_date": "2009-10-19", "window": { "start": { "local": "2009-10-19T06:54:55+08:00", "utc": "2009-10-18T22:54:55Z", "ms": 1255906494797.3325 }, "end": { "local": "2009-10-19T10:43:06+08:00", "utc": "2009-10-19T02:43:06Z", "ms": 1255920185901.5334 } }, "covered_min": 228, "window_min": 228, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct.", "fact": "2009-10-18T05:33:05Z → 2009-10-19T04:27:38Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:54–10:43 on the 18th, 06:55–10:43 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 229 minutes on the 18th and 228 of 228 on the 19th.", "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 6272 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Zunyi, 2009: Monday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-19", "confidence": "determinate" } ], "quote": "In Zunyi, Dyūta Pratipad 2009 falls on Monday 19 October. Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-10-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-21", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 135, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-10-21T12:08:38+08:00", "utc": "2009-10-21T04:08:38Z", "ms": 1256098117971.819 }, "end": { "local": "2009-10-22T13:02:57+08:00", "utc": "2009-10-22T05:02:57Z", "ms": 1256187776812.27 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-21T12:08:38+08:00", "utc": "2009-10-21T04:08:38Z", "ms": 1256098117971.819 }, "end": { "local": "2009-10-22T13:02:57+08:00", "utc": "2009-10-22T05:02:57Z", "ms": 1256187776812.27 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-21", "window": { "start": { "local": "2009-10-21T12:12:51+08:00", "utc": "2009-10-21T04:12:51Z", "ms": 1256098371059.4048 }, "end": { "local": "2009-10-21T13:00:51+08:00", "utc": "2009-10-21T05:00:51Z", "ms": 1256101251059.4048 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-10-22", "window": { "start": { "local": "2009-10-22T12:12:42+08:00", "utc": "2009-10-22T04:12:42Z", "ms": 1256184761835.3855 }, "end": { "local": "2009-10-22T13:00:42+08:00", "utc": "2009-10-22T05:00:42Z", "ms": 1256187641835.3855 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:09 on Wed 21 Oct to 13:03 on Thu 22 Oct.", "fact": "2009-10-21T04:08:38Z → 2009-10-22T05:02:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 21st, 12:13–13:01 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 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 135 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Wednesday 21 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-21", "confidence": "boundary" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Wednesday 21 October. Caturthī runs from 12:09 on Wed 21 Oct to 13:03 on Thu 22 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 15 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 135, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-10-21T12:08:38+08:00", "utc": "2009-10-21T04:08:38Z", "ms": 1256098117971.819 }, "end": { "local": "2009-10-22T13:02:57+08:00", "utc": "2009-10-22T05:02:57Z", "ms": 1256187776812.27 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-21T12:08:38+08:00", "utc": "2009-10-21T04:08:38Z", "ms": 1256098117971.819 }, "end": { "local": "2009-10-22T13:02:57+08:00", "utc": "2009-10-22T05:02:57Z", "ms": 1256187776812.27 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-21", "window": { "start": { "local": "2009-10-21T12:12:51+08:00", "utc": "2009-10-21T04:12:51Z", "ms": 1256098371059.4048 }, "end": { "local": "2009-10-21T13:00:51+08:00", "utc": "2009-10-21T05:00:51Z", "ms": 1256101251059.4048 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-10-22", "window": { "start": { "local": "2009-10-22T12:12:42+08:00", "utc": "2009-10-22T04:12:42Z", "ms": 1256184761835.3855 }, "end": { "local": "2009-10-22T13:00:42+08:00", "utc": "2009-10-22T05:00:42Z", "ms": 1256187641835.3855 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:09 on Wed 21 Oct to 13:03 on Thu 22 Oct.", "fact": "2009-10-21T04:08:38Z → 2009-10-22T05:02:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 21st, 12:13–13:01 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 48 of 48 on the 22nd.", "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 135 s < 300 s" }, { "step": "ruling", "text": "Nāga Caturthī, Zunyi, 2009: Thursday 22 October.", "fact": "confidence: boundary (margin)" } ], "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": "2009-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Caturthī 2009 falls on Thursday 22 October. Caturthī runs from 12:09 on Wed 21 Oct to 13:03 on Thu 22 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 2 min 15 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5893, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-10-23T14:38:46+08:00", "utc": "2009-10-23T06:38:46Z", "ms": 1256279925986.5774 }, "end": { "local": "2009-10-24T16:49:08+08:00", "utc": "2009-10-24T08:49:08Z", "ms": 1256374148337.9358 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-23T14:38:46+08:00", "utc": "2009-10-23T06:38:46Z", "ms": 1256279925986.5774 }, "end": { "local": "2009-10-24T16:49:08+08:00", "utc": "2009-10-24T08:49:08Z", "ms": 1256374148337.9358 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-23", "window": { "start": { "local": "2009-10-23T12:12:33+08:00", "utc": "2009-10-23T04:12:33Z", "ms": 1256271153276.9253 }, "end": { "local": "2009-10-23T13:00:33+08:00", "utc": "2009-10-23T05:00:33Z", "ms": 1256274033276.9253 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-10-24", "window": { "start": { "local": "2009-10-24T12:12:25+08:00", "utc": "2009-10-24T04:12:25Z", "ms": 1256357545396.8398 }, "end": { "local": "2009-10-24T13:00:25+08:00", "utc": "2009-10-24T05:00:25Z", "ms": 1256360425396.8398 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:39 on Fri 23 Oct to 16:49 on Sat 24 Oct.", "fact": "2009-10-23T06:38:46Z → 2009-10-24T08:49:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 23rd, 12:12–13:00 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5893 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Zunyi, 2009: Saturday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-24", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Chhath) 2009 falls on Saturday 24 October. Ṣaṣṭhī runs from 14:39 on Fri 23 Oct to 16:49 on Sat 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22907, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2009-10-25T19:22:05+08:00", "utc": "2009-10-25T11:22:05Z", "ms": 1256469725347.8284 }, "end": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-25T19:22:05+08:00", "utc": "2009-10-25T11:22:05Z", "ms": 1256469725347.8284 }, "end": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-25", "window": { "start": { "local": "2009-10-25T12:12:18+08:00", "utc": "2009-10-25T04:12:18Z", "ms": 1256443938208.0408 }, "end": { "local": "2009-10-25T13:00:18+08:00", "utc": "2009-10-25T05:00:18Z", "ms": 1256446818208.0408 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-10-26", "window": { "start": { "local": "2009-10-26T12:12:12+08:00", "utc": "2009-10-26T04:12:12Z", "ms": 1256530331723.469 }, "end": { "local": "2009-10-26T13:00:12+08:00", "utc": "2009-10-26T05:00:12Z", "ms": 1256533211723.469 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:22 on Sun 25 Oct to 22:02 on Mon 26 Oct.", "fact": "2009-10-25T11:22:05Z → 2009-10-26T14:01:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 25th, 12:12–13:00 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22907 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Zunyi, 2009: Monday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-26", "confidence": "determinate" } ], "quote": "In Zunyi, Gopāṣṭamī 2009 falls on Monday 26 October. Aṣṭamī runs from 19:22 on Sun 25 Oct to 22:02 on Mon 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23311, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 }, "end": { "local": "2009-10-28T00:32:02+08:00", "utc": "2009-10-27T16:32:02Z", "ms": 1256661122183.6152 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 }, "end": { "local": "2009-10-28T00:32:02+08:00", "utc": "2009-10-27T16:32:02Z", "ms": 1256661122183.6152 } }, "kaala": "purvahna", "days": [ { "local_date": "2009-10-27", "window": { "start": { "local": "2009-10-27T06:59:54+08:00", "utc": "2009-10-26T22:59:54Z", "ms": 1256597994368.2385 }, "end": { "local": "2009-10-27T10:44:02+08:00", "utc": "2009-10-27T02:44:02Z", "ms": 1256611442093.44 } }, "covered_min": 224, "window_min": 224, "qualifies": true }, { "local_date": "2009-10-28", "window": { "start": { "local": "2009-10-28T07:00:34+08:00", "utc": "2009-10-27T23:00:34Z", "ms": 1256684433682.204 }, "end": { "local": "2009-10-28T10:44:12+08:00", "utc": "2009-10-28T02:44:12Z", "ms": 1256697851839.8142 } }, "covered_min": 0, "window_min": 224, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 22:02 on Mon 26 Oct to 00:32 on Wed 28 Oct.", "fact": "2009-10-26T14:01:59Z → 2009-10-27T16:32:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:00–10:44 on the 27th, 07:01–10:44 on the 28th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 224 of 224 minutes on the 27th and 0 of 224 on the 28th.", "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 23311 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Zunyi, 2009: Tuesday 27 October.", "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": "2009-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-27", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Navamī (Amla Navami) 2009 falls on Tuesday 27 October. Navamī runs from 22:02 on Mon 26 Oct to 00:32 on Wed 28 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32507, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 }, "end": { "local": "2009-10-28T00:32:02+08:00", "utc": "2009-10-27T16:32:02Z", "ms": 1256661122183.6152 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-26T22:01:59+08:00", "utc": "2009-10-26T14:01:59Z", "ms": 1256565719122.2903 }, "end": { "local": "2009-10-28T00:32:02+08:00", "utc": "2009-10-27T16:32:02Z", "ms": 1256661122183.6152 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-10-26", "window": { "start": { "local": "2009-10-26T12:12:12+08:00", "utc": "2009-10-26T04:12:12Z", "ms": 1256530331723.469 }, "end": { "local": "2009-10-26T13:00:12+08:00", "utc": "2009-10-26T05:00:12Z", "ms": 1256533211723.469 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-10-27", "window": { "start": { "local": "2009-10-27T12:12:06+08:00", "utc": "2009-10-27T04:12:06Z", "ms": 1256616725956.0405 }, "end": { "local": "2009-10-27T13:00:06+08:00", "utc": "2009-10-27T05:00:06Z", "ms": 1256619605956.0405 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 22:02 on Mon 26 Oct to 00:32 on Wed 28 Oct.", "fact": "2009-10-26T14:01:59Z → 2009-10-27T16:32:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 26th, 12:12–13:00 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32507 s" }, { "step": "ruling", "text": "Durgā Navamī, Zunyi, 2009: Tuesday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-27", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Navamī 2009 falls on Tuesday 27 October. Navamī runs from 22:02 on Mon 26 Oct to 00:32 on Wed 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-10-29", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10531, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-10-29T02:37:11+08:00", "utc": "2009-10-28T18:37:11Z", "ms": 1256755030609.711 }, "end": { "local": "2009-10-30T04:06:22+08:00", "utc": "2009-10-29T20:06:22Z", "ms": 1256846782367.2334 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-29T02:37:11+08:00", "utc": "2009-10-28T18:37:11Z", "ms": 1256755030609.711 }, "end": { "local": "2009-10-30T04:06:22+08:00", "utc": "2009-10-29T20:06:22Z", "ms": 1256846782367.2334 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-10-29", "window": { "start": { "local": "2009-10-29T07:01:13+08:00", "utc": "2009-10-28T23:01:13Z", "ms": 1256770873408.1758 }, "end": { "local": "2009-10-29T07:01:13+08:00", "utc": "2009-10-28T23:01:13Z", "ms": 1256770873408.1758 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-10-30", "window": { "start": { "local": "2009-10-30T07:01:54+08:00", "utc": "2009-10-29T23:01:54Z", "ms": 1256857313544.5693 }, "end": { "local": "2009-10-30T07:01:54+08:00", "utc": "2009-10-29T23:01:54Z", "ms": 1256857313544.5693 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:37 on Thu 29 Oct to 04:06 on Fri 30 Oct.", "fact": "2009-10-28T18:37:11Z → 2009-10-29T20:06:22Z" }, { "step": "kaala", "text": "Sunrise is at 07:01 on the 29th and 07:02 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10531 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Zunyi, 2009: Thursday 29 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": "2009-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-29", "confidence": "determinate" } ], "quote": "In Zunyi, Prabodhinī Ekādaśī 2009 falls on Thursday 29 October. Ekādaśī runs from 02:37 on Thu 29 Oct to 04:06 on Fri 30 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-10-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32449, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-10-31T04:53:43+08:00", "utc": "2009-10-30T20:53:43Z", "ms": 1256936022755.0452 }, "end": { "local": "2009-11-01T04:58:15+08:00", "utc": "2009-10-31T20:58:15Z", "ms": 1257022695459.66 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-10-31T04:53:43+08:00", "utc": "2009-10-30T20:53:43Z", "ms": 1256936022755.0452 }, "end": { "local": "2009-11-01T04:58:15+08:00", "utc": "2009-10-31T20:58:15Z", "ms": 1257022695459.66 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-10-30", "window": { "start": { "local": "2009-10-30T18:09:53+08:00", "utc": "2009-10-30T10:09:53Z", "ms": 1256897392625.4746 }, "end": { "local": "2009-10-30T19:52:54+08:00", "utc": "2009-10-30T11:52:54Z", "ms": 1256903574154.0261 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2009-10-31", "window": { "start": { "local": "2009-10-31T18:09:07+08:00", "utc": "2009-10-31T10:09:07Z", "ms": 1256983746539.2375 }, "end": { "local": "2009-10-31T19:52:20+08:00", "utc": "2009-10-31T11:52:20Z", "ms": 1256989939672.8564 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:54 on Sat 31 Oct to 04:58 on Sun 1 Nov.", "fact": "2009-10-30T20:53:43Z → 2009-10-31T20:58:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:53 on the 30th, 18:09–19:52 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 0 of 103 minutes on the 30th and 103 of 103 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 32449 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Saturday 31 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": "2009-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-10-31", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Saturday 31 October. Trayodaśī runs from 04:54 on Sat 31 Oct to 04:58 on Sun 1 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28123, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-11-02T04:23:04+08:00", "utc": "2009-11-01T20:23:04Z", "ms": 1257106984106.1472 }, "end": { "local": "2009-11-03T03:13:55+08:00", "utc": "2009-11-02T19:13:55Z", "ms": 1257189234566.7083 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-11-02T04:23:04+08:00", "utc": "2009-11-01T20:23:04Z", "ms": 1257106984106.1472 }, "end": { "local": "2009-11-03T03:13:55+08:00", "utc": "2009-11-02T19:13:55Z", "ms": 1257189234566.7083 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-02", "window": { "start": { "local": "2009-11-02T12:11:47+08:00", "utc": "2009-11-02T04:11:47Z", "ms": 1257135107129.6235 }, "end": { "local": "2009-11-02T12:59:47+08:00", "utc": "2009-11-02T04:59:47Z", "ms": 1257137987129.6235 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-11-03", "window": { "start": { "local": "2009-11-03T12:11:47+08:00", "utc": "2009-11-03T04:11:47Z", "ms": 1257221506741.0054 }, "end": { "local": "2009-11-03T12:59:47+08:00", "utc": "2009-11-03T04:59:47Z", "ms": 1257224386741.0054 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:23 on Mon 2 Nov to 03:14 on Tue 3 Nov.", "fact": "2009-11-01T20:23:04Z → 2009-11-02T19:13:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 2nd, 12:12–13:00 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28123 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Zunyi, 2009: Monday 2 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": "2009-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-02", "confidence": "determinate" } ], "quote": "In Zunyi, Kārtikī Pūrṇimā 2009 falls on Monday 2 November. Pūrṇimā runs from 04:23 on Mon 2 Nov to 03:14 on Tue 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8027, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-11-02T04:23:04+08:00", "utc": "2009-11-01T20:23:04Z", "ms": 1257106984106.1472 }, "end": { "local": "2009-11-03T03:13:55+08:00", "utc": "2009-11-02T19:13:55Z", "ms": 1257189234566.7083 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2009-11-02T04:23:04+08:00", "utc": "2009-11-01T20:23:04Z", "ms": 1257106984106.1472 }, "end": { "local": "2009-11-03T03:13:55+08:00", "utc": "2009-11-02T19:13:55Z", "ms": 1257189234566.7083 } }, "kaala": "nishita", "days": [ { "local_date": "2009-11-01", "window": { "start": { "local": "2009-11-02T00:12:09+08:00", "utc": "2009-11-01T16:12:09Z", "ms": 1257091929003.1816 }, "end": { "local": "2009-11-02T01:00:09+08:00", "utc": "2009-11-01T17:00:09Z", "ms": 1257094809003.1816 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-11-02", "window": { "start": { "local": "2009-11-03T00:12:08+08:00", "utc": "2009-11-02T16:12:08Z", "ms": 1257178328008.8547 }, "end": { "local": "2009-11-03T01:00:08+08:00", "utc": "2009-11-02T17:00:08Z", "ms": 1257181208008.8547 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:23 on Mon 2 Nov to 03:14 on Tue 3 Nov.", "fact": "2009-11-01T20:23:04Z → 2009-11-02T19:13:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 1st, 00:12–01:00 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 8027 s" }, { "step": "ruling", "text": "Rāsayātrā, Zunyi, 2009: Monday 2 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": "2009-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-02", "confidence": "determinate" } ], "quote": "In Zunyi, Rāsayātrā 2009 falls on Monday 2 November. Pūrṇimā runs from 04:23 on Mon 2 Nov to 03:14 on Tue 3 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-11-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-05", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 5470, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-11-05T21:35:59+08:00", "utc": "2009-11-05T13:35:59Z", "ms": 1257428158779.7969 }, "end": { "local": "2009-11-06T19:23:24+08:00", "utc": "2009-11-06T11:23:24Z", "ms": 1257506604080.7095 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-05T21:35:59+08:00", "utc": "2009-11-05T13:35:59Z", "ms": 1257428158779.7969 }, "end": { "local": "2009-11-06T19:23:24+08:00", "utc": "2009-11-06T11:23:24Z", "ms": 1257506604080.7095 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-11-05", "window": { "start": { "local": "2009-11-05T20:04:49+08:00", "utc": "2009-11-05T12:04:49Z", "ms": 1257422689006.4082 }, "end": { "local": "2009-11-05T20:04:49+08:00", "utc": "2009-11-05T12:04:49Z", "ms": 1257422689006.4082 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-11-06", "window": { "start": { "local": "2009-11-06T21:08:25+08:00", "utc": "2009-11-06T13:08:25Z", "ms": 1257512904776.3765 }, "end": { "local": "2009-11-06T21:08:25+08:00", "utc": "2009-11-06T13:08:25Z", "ms": 1257512904776.3765 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:36 on Thu 5 Nov to 19:23 on Fri 6 Nov.", "fact": "2009-11-05T13:35:59Z → 2009-11-06T11:23:24Z" }, { "step": "kaala", "text": "Moonrise is at 20:05 on the 5th and 21:08 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 not on the 6th.", "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 5470 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Thursday 5 November.", "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": "2009-11-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-05", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Thursday 5 November. Caturthī runs from 21:36 on Thu 5 Nov to 19:23 on Fri 6 Nov, and is current at moonrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-11-12", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1058, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-11-12T07:28:49+08:00", "utc": "2009-11-11T23:28:49Z", "ms": 1257982129004.1697 }, "end": { "local": "2009-11-13T06:00:29+08:00", "utc": "2009-11-12T22:00:29Z", "ms": 1258063229340.0176 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-12T07:28:49+08:00", "utc": "2009-11-11T23:28:49Z", "ms": 1257982129004.1697 }, "end": { "local": "2009-11-13T06:00:29+08:00", "utc": "2009-11-12T22:00:29Z", "ms": 1258063229340.0176 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-11-12", "window": { "start": { "local": "2009-11-12T07:11:11+08:00", "utc": "2009-11-11T23:11:11Z", "ms": 1257981071053.1184 }, "end": { "local": "2009-11-12T07:11:11+08:00", "utc": "2009-11-11T23:11:11Z", "ms": 1257981071053.1184 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-11-13", "window": { "start": { "local": "2009-11-13T07:11:56+08:00", "utc": "2009-11-12T23:11:56Z", "ms": 1258067516379.955 }, "end": { "local": "2009-11-13T07:11:56+08:00", "utc": "2009-11-12T23:11:56Z", "ms": 1258067516379.955 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:29 on Thu 12 Nov to 06:00 on Fri 13 Nov.", "fact": "2009-11-11T23:28:49Z → 2009-11-12T22:00:29Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 12th and 07:12 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 not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1058 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Zunyi, 2009: Thursday 12 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": "2009-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-12", "confidence": "determinate" } ], "quote": "In Zunyi, Utpannā Ekādaśī 2009 falls on Thursday 12 November. Ekādaśī runs from 07:29 on Thu 12 Nov to 06:00 on Fri 13 Nov, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-11-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29081, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-11-14T04:46:34+08:00", "utc": "2009-11-13T20:46:34Z", "ms": 1258145194394.6465 }, "end": { "local": "2009-11-15T03:50:59+08:00", "utc": "2009-11-14T19:50:59Z", "ms": 1258228258952.373 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-14T04:46:34+08:00", "utc": "2009-11-13T20:46:34Z", "ms": 1258145194394.6465 }, "end": { "local": "2009-11-15T03:50:59+08:00", "utc": "2009-11-14T19:50:59Z", "ms": 1258228258952.373 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-11-13", "window": { "start": { "local": "2009-11-13T18:01:03+08:00", "utc": "2009-11-13T10:01:03Z", "ms": 1258106462527.164 }, "end": { "local": "2009-11-13T19:46:36+08:00", "utc": "2009-11-13T11:46:36Z", "ms": 1258112795786.3362 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2009-11-14", "window": { "start": { "local": "2009-11-14T18:00:35+08:00", "utc": "2009-11-14T10:00:35Z", "ms": 1258192835022.1226 }, "end": { "local": "2009-11-14T19:46:18+08:00", "utc": "2009-11-14T11:46:18Z", "ms": 1258199178059.2397 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:47 on Sat 14 Nov to 03:51 on Sun 15 Nov.", "fact": "2009-11-13T20:46:34Z → 2009-11-14T19:50:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:47 on the 13th, 18:01–19:46 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 106 minutes on the 13th and 106 of 106 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 29081 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Saturday 14 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": "2009-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-14", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Saturday 14 November. Trayodaśī runs from 04:47 on Sat 14 Nov to 03:51 on Sun 15 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-11-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8232, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-11-15T03:50:59+08:00", "utc": "2009-11-14T19:50:59Z", "ms": 1258228258952.373 }, "end": { "local": "2009-11-16T03:18:24+08:00", "utc": "2009-11-15T19:18:24Z", "ms": 1258312703579.0369 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-15T03:50:59+08:00", "utc": "2009-11-14T19:50:59Z", "ms": 1258228258952.373 }, "end": { "local": "2009-11-16T03:18:24+08:00", "utc": "2009-11-15T19:18:24Z", "ms": 1258312703579.0369 } }, "kaala": "nishita", "days": [ { "local_date": "2009-11-14", "window": { "start": { "local": "2009-11-15T00:13:01+08:00", "utc": "2009-11-14T16:13:01Z", "ms": 1258215181411.312 }, "end": { "local": "2009-11-15T01:01:01+08:00", "utc": "2009-11-14T17:01:01Z", "ms": 1258218061411.312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-11-15", "window": { "start": { "local": "2009-11-16T00:13:11+08:00", "utc": "2009-11-15T16:13:11Z", "ms": 1258301591422.7344 }, "end": { "local": "2009-11-16T01:01:11+08:00", "utc": "2009-11-15T17:01:11Z", "ms": 1258304471422.7344 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:51 on Sun 15 Nov to 03:18 on Mon 16 Nov.", "fact": "2009-11-14T19:50:59Z → 2009-11-15T19:18:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 14th, 00:13–01:01 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 8232 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Sunday 15 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": "2009-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-15", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Sunday 15 November. Caturdaśī runs from 03:51 on Sun 15 Nov to 03:18 on Mon 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-11-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13362, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-11-20T06:22:01+08:00", "utc": "2009-11-19T22:22:01Z", "ms": 1258669321444.6497 }, "end": { "local": "2009-11-21T08:31:23+08:00", "utc": "2009-11-21T00:31:23Z", "ms": 1258763483290.8577 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-20T06:22:01+08:00", "utc": "2009-11-19T22:22:01Z", "ms": 1258669321444.6497 }, "end": { "local": "2009-11-21T08:31:23+08:00", "utc": "2009-11-21T00:31:23Z", "ms": 1258763483290.8577 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-20", "window": { "start": { "local": "2009-11-20T12:13:51+08:00", "utc": "2009-11-20T04:13:51Z", "ms": 1258690430585.093 }, "end": { "local": "2009-11-20T13:01:51+08:00", "utc": "2009-11-20T05:01:51Z", "ms": 1258693310585.093 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-11-21", "window": { "start": { "local": "2009-11-21T12:14:05+08:00", "utc": "2009-11-21T04:14:05Z", "ms": 1258776845480.8774 }, "end": { "local": "2009-11-21T13:02:05+08:00", "utc": "2009-11-21T05:02:05Z", "ms": 1258779725480.8774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:22 on Fri 20 Nov to 08:31 on Sat 21 Nov.", "fact": "2009-11-19T22:22:01Z → 2009-11-21T00:31:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 20th, 12:14–13:02 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 13362 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Friday 20 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": "2009-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Friday 20 November. Caturthī runs from 06:22 on Fri 20 Nov to 08:31 on Sat 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4221, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2009-11-21T08:31:23+08:00", "utc": "2009-11-21T00:31:23Z", "ms": 1258763483290.8577 }, "end": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-21T08:31:23+08:00", "utc": "2009-11-21T00:31:23Z", "ms": 1258763483290.8577 }, "end": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-21", "window": { "start": { "local": "2009-11-21T12:14:05+08:00", "utc": "2009-11-21T04:14:05Z", "ms": 1258776845480.8774 }, "end": { "local": "2009-11-21T13:02:05+08:00", "utc": "2009-11-21T05:02:05Z", "ms": 1258779725480.8774 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-11-22", "window": { "start": { "local": "2009-11-22T12:14:21+08:00", "utc": "2009-11-22T04:14:21Z", "ms": 1258863261169.296 }, "end": { "local": "2009-11-22T13:02:21+08:00", "utc": "2009-11-22T05:02:21Z", "ms": 1258866141169.296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:31 on Sat 21 Nov to 11:04 on Sun 22 Nov.", "fact": "2009-11-21T00:31:23Z → 2009-11-22T03:04:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 21st, 12:14–13:02 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 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4221 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Zunyi, 2009: Saturday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-21", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī (Mārgaśīrṣa) 2009 falls on Saturday 21 November. Pañcamī runs from 08:31 on Sat 21 Nov to 11:04 on Sun 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2688, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 }, "end": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 }, "end": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-22", "window": { "start": { "local": "2009-11-22T12:14:21+08:00", "utc": "2009-11-22T04:14:21Z", "ms": 1258863261169.296 }, "end": { "local": "2009-11-22T13:02:21+08:00", "utc": "2009-11-22T05:02:21Z", "ms": 1258866141169.296 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-11-23", "window": { "start": { "local": "2009-11-23T12:14:38+08:00", "utc": "2009-11-23T04:14:38Z", "ms": 1258949677637.5073 }, "end": { "local": "2009-11-23T13:02:38+08:00", "utc": "2009-11-23T05:02:38Z", "ms": 1258952557637.5073 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov.", "fact": "2009-11-22T03:04:00Z → 2009-11-23T05:47:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 22nd, 12:15–13:03 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 2688 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Zunyi, 2009: Sunday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-22", "confidence": "boundary" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī 2009 falls on Sunday 22 November. Ṣaṣṭhī runs from 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov 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/zunyi/festivals/2009/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": "/zunyi/festivals/2009/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2688, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 }, "end": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-22T11:04:00+08:00", "utc": "2009-11-22T03:04:00Z", "ms": 1258859039794.0273 }, "end": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-22", "window": { "start": { "local": "2009-11-22T12:14:21+08:00", "utc": "2009-11-22T04:14:21Z", "ms": 1258863261169.296 }, "end": { "local": "2009-11-22T13:02:21+08:00", "utc": "2009-11-22T05:02:21Z", "ms": 1258866141169.296 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-11-23", "window": { "start": { "local": "2009-11-23T12:14:38+08:00", "utc": "2009-11-23T04:14:38Z", "ms": 1258949677637.5073 }, "end": { "local": "2009-11-23T13:02:38+08:00", "utc": "2009-11-23T05:02:38Z", "ms": 1258952557637.5073 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov.", "fact": "2009-11-22T03:04:00Z → 2009-11-23T05:47:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 22nd, 12:15–13:03 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 2688 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Zunyi, 2009: Monday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-23", "confidence": "boundary" } ], "quote": "In Zunyi, Campā Ṣaṣṭhī 2009 falls on Monday 23 November. Ṣaṣṭhī runs from 11:04 on Sun 22 Nov to 13:47 on Mon 23 Nov 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/zunyi/festivals/2009/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": "/zunyi/festivals/2009/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2688, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 }, "end": { "local": "2009-11-24T16:26:24+08:00", "utc": "2009-11-24T08:26:24Z", "ms": 1259051184324.7617 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-23T13:47:26+08:00", "utc": "2009-11-23T05:47:26Z", "ms": 1258955245715.4797 }, "end": { "local": "2009-11-24T16:26:24+08:00", "utc": "2009-11-24T08:26:24Z", "ms": 1259051184324.7617 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-23", "window": { "start": { "local": "2009-11-23T12:14:38+08:00", "utc": "2009-11-23T04:14:38Z", "ms": 1258949677637.5073 }, "end": { "local": "2009-11-23T13:02:38+08:00", "utc": "2009-11-23T05:02:38Z", "ms": 1258952557637.5073 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-11-24", "window": { "start": { "local": "2009-11-24T12:14:55+08:00", "utc": "2009-11-24T04:14:55Z", "ms": 1259036094872.058 }, "end": { "local": "2009-11-24T13:02:55+08:00", "utc": "2009-11-24T05:02:55Z", "ms": 1259038974872.058 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:47 on Mon 23 Nov to 16:26 on Tue 24 Nov.", "fact": "2009-11-23T05:47:26Z → 2009-11-24T08:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2688 s" }, { "step": "ruling", "text": "Mitra Saptamī, Zunyi, 2009: Tuesday 24 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-24", "confidence": "boundary" } ], "quote": "In Zunyi, Mitra Saptamī 2009 falls on Tuesday 24 November. Saptamī runs from 13:47 on Mon 23 Nov to 16:26 on Tue 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/ekadashi?on=2009-11-28", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34829, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-11-27T21:30:55+08:00", "utc": "2009-11-27T13:30:55Z", "ms": 1259328654555.803 }, "end": { "local": "2009-11-28T21:43:49+08:00", "utc": "2009-11-28T13:43:49Z", "ms": 1259415828577.891 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-27T21:30:55+08:00", "utc": "2009-11-27T13:30:55Z", "ms": 1259328654555.803 }, "end": { "local": "2009-11-28T21:43:49+08:00", "utc": "2009-11-28T13:43:49Z", "ms": 1259415828577.891 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-11-28", "window": { "start": { "local": "2009-11-28T07:23:31+08:00", "utc": "2009-11-27T23:23:31Z", "ms": 1259364211374.072 }, "end": { "local": "2009-11-28T07:23:31+08:00", "utc": "2009-11-27T23:23:31Z", "ms": 1259364211374.072 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2009-11-29", "window": { "start": { "local": "2009-11-29T07:24:17+08:00", "utc": "2009-11-28T23:24:17Z", "ms": 1259450657236.4133 }, "end": { "local": "2009-11-29T07:24:17+08:00", "utc": "2009-11-28T23:24:17Z", "ms": 1259450657236.4133 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:31 on Fri 27 Nov to 21:44 on Sat 28 Nov.", "fact": "2009-11-27T13:30:55Z → 2009-11-28T13:43:49Z" }, { "step": "kaala", "text": "Sunrise is at 07:24 on the 28th and 07:24 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34829 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Zunyi, 2009: Saturday 28 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": "2009-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-28", "confidence": "determinate" } ], "quote": "In Zunyi, Mokṣadā Ekādaśī 2009 falls on Saturday 28 November. Ekādaśī runs from 21:31 on Fri 27 Nov to 21:44 on Sat 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-11-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29056, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2009-11-28T21:43:49+08:00", "utc": "2009-11-28T13:43:49Z", "ms": 1259415828577.891 }, "end": { "local": "2009-11-29T21:08:48+08:00", "utc": "2009-11-29T13:08:48Z", "ms": 1259500127898.5027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-28T21:43:49+08:00", "utc": "2009-11-28T13:43:49Z", "ms": 1259415828577.891 }, "end": { "local": "2009-11-29T21:08:48+08:00", "utc": "2009-11-29T13:08:48Z", "ms": 1259500127898.5027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-11-28", "window": { "start": { "local": "2009-11-28T12:16:11+08:00", "utc": "2009-11-28T04:16:11Z", "ms": 1259381771183.7656 }, "end": { "local": "2009-11-28T13:04:11+08:00", "utc": "2009-11-28T05:04:11Z", "ms": 1259384651183.7656 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2009-11-29", "window": { "start": { "local": "2009-11-29T12:16:32+08:00", "utc": "2009-11-29T04:16:32Z", "ms": 1259468192028.2227 }, "end": { "local": "2009-11-29T13:04:32+08:00", "utc": "2009-11-29T05:04:32Z", "ms": 1259471072028.2227 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:44 on Sat 28 Nov to 21:09 on Sun 29 Nov.", "fact": "2009-11-28T13:43:49Z → 2009-11-29T13:08:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 28th, 12:17–13:05 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29056 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Zunyi, 2009: Sunday 29 November.", "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": "2009-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-29", "confidence": "determinate" } ], "quote": "In Zunyi, Akhaṇḍa Dvādaśī 2009 falls on Sunday 29 November. Dvādaśī runs from 21:44 on Sat 28 Nov to 21:09 on Sun 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/pradosha-vrata?on=2009-11-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 327, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-11-29T21:08:48+08:00", "utc": "2009-11-29T13:08:48Z", "ms": 1259500127898.5027 }, "end": { "local": "2009-11-30T19:50:03+08:00", "utc": "2009-11-30T11:50:03Z", "ms": 1259581803443.9177 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-11-29T21:08:48+08:00", "utc": "2009-11-29T13:08:48Z", "ms": 1259500127898.5027 }, "end": { "local": "2009-11-30T19:50:03+08:00", "utc": "2009-11-30T11:50:03Z", "ms": 1259581803443.9177 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-11-29", "window": { "start": { "local": "2009-11-29T17:56:47+08:00", "utc": "2009-11-29T09:56:47Z", "ms": 1259488606820.032 }, "end": { "local": "2009-11-29T19:44:33+08:00", "utc": "2009-11-29T11:44:33Z", "ms": 1259495072956.6677 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2009-11-30", "window": { "start": { "local": "2009-11-30T17:56:44+08:00", "utc": "2009-11-30T09:56:44Z", "ms": 1259575004249.8909 }, "end": { "local": "2009-11-30T19:44:37+08:00", "utc": "2009-11-30T11:44:37Z", "ms": 1259581476771.8743 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:09 on Sun 29 Nov to 19:50 on Mon 30 Nov.", "fact": "2009-11-29T13:08:48Z → 2009-11-30T11:50:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 29th, 17:57–19:45 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 29th and 108 of 108 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 327 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Monday 30 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": "2009-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-11-30", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Monday 30 November. Trayodaśī runs from 21:09 on Sun 29 Nov to 19:50 on Mon 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 135, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2009-12-01T17:54:28+08:00", "utc": "2009-12-01T09:54:28Z", "ms": 1259661267893.0513 }, "end": { "local": "2009-12-02T15:30:27+08:00", "utc": "2009-12-02T07:30:27Z", "ms": 1259739026900.5215 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-01T17:54:28+08:00", "utc": "2009-12-01T09:54:28Z", "ms": 1259661267893.0513 }, "end": { "local": "2009-12-02T15:30:27+08:00", "utc": "2009-12-02T07:30:27Z", "ms": 1259739026900.5215 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-12-01", "window": { "start": { "local": "2009-12-01T17:56:43+08:00", "utc": "2009-12-01T09:56:43Z", "ms": 1259661403284.8306 }, "end": { "local": "2009-12-01T19:44:42+08:00", "utc": "2009-12-01T11:44:42Z", "ms": 1259667881935.1243 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2009-12-02", "window": { "start": { "local": "2009-12-02T17:56:44+08:00", "utc": "2009-12-02T09:56:44Z", "ms": 1259747803926.0203 }, "end": { "local": "2009-12-02T19:44:48+08:00", "utc": "2009-12-02T11:44:48Z", "ms": 1259754288442.8535 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:54 on Tue 1 Dec to 15:30 on Wed 2 Dec.", "fact": "2009-12-01T09:54:28Z → 2009-12-02T07:30:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 1st, 17:57–19:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 108 of 108 minutes on the 1st and 0 of 108 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 135 s < 300 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Zunyi, 2009: Tuesday 1 December.", "fact": "confidence: boundary (margin)" } ], "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": "2009-12-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-01", "confidence": "boundary" } ], "quote": "In Zunyi, Dattātreyotpatti (Datta Jayanti) 2009 falls on Tuesday 1 December. Pūrṇimā runs from 17:54 on Tue 1 Dec to 15:30 on Wed 2 Dec and covers all of pradoṣa that evening. It is 2 min 15 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2009/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": "/zunyi/festivals/2009/sankashta-chaturthi?on=2009-12-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24975, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-12-05T06:57:27+08:00", "utc": "2009-12-04T22:57:27Z", "ms": 1259967446740.0806 }, "end": { "local": "2009-12-06T04:07:06+08:00", "utc": "2009-12-05T20:07:06Z", "ms": 1260043626149.9802 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-05T06:57:27+08:00", "utc": "2009-12-04T22:57:27Z", "ms": 1259967446740.0806 }, "end": { "local": "2009-12-06T04:07:06+08:00", "utc": "2009-12-05T20:07:06Z", "ms": 1260043626149.9802 } }, "kaala": "moonrise", "days": [ { "local_date": "2009-12-04", "window": { "start": { "local": "2009-12-04T20:01:21+08:00", "utc": "2009-12-04T12:01:21Z", "ms": 1259928081357.3691 }, "end": { "local": "2009-12-04T20:01:21+08:00", "utc": "2009-12-04T12:01:21Z", "ms": 1259928081357.3691 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-12-05", "window": { "start": { "local": "2009-12-05T21:10:52+08:00", "utc": "2009-12-05T13:10:52Z", "ms": 1260018651504.9595 }, "end": { "local": "2009-12-05T21:10:52+08:00", "utc": "2009-12-05T13:10:52Z", "ms": 1260018651504.9595 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:57 on Sat 5 Dec to 04:07 on Sun 6 Dec.", "fact": "2009-12-04T22:57:27Z → 2009-12-05T20:07:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:01 on the 4th and 21:11 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 24975 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2009: Saturday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2009-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-05", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2009 falls on Saturday 5 December. Caturthī runs from 06:57 on Sat 5 Dec to 04:07 on Sun 6 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/sankashta-chaturthi?on=2009-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-12-12", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34125, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-12-11T17:24:53+08:00", "utc": "2009-12-11T09:24:53Z", "ms": 1260523493410.788 }, "end": { "local": "2009-12-12T17:02:22+08:00", "utc": "2009-12-12T09:02:22Z", "ms": 1260608541887.0422 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-11T17:24:53+08:00", "utc": "2009-12-11T09:24:53Z", "ms": 1260523493410.788 }, "end": { "local": "2009-12-12T17:02:22+08:00", "utc": "2009-12-12T09:02:22Z", "ms": 1260608541887.0422 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-12-11", "window": { "start": { "local": "2009-12-11T07:32:58+08:00", "utc": "2009-12-10T23:32:58Z", "ms": 1260487977653.3228 }, "end": { "local": "2009-12-11T07:32:58+08:00", "utc": "2009-12-10T23:32:58Z", "ms": 1260487977653.3228 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-12-12", "window": { "start": { "local": "2009-12-12T07:33:37+08:00", "utc": "2009-12-11T23:33:37Z", "ms": 1260574417373.608 }, "end": { "local": "2009-12-12T07:33:37+08:00", "utc": "2009-12-11T23:33:37Z", "ms": 1260574417373.608 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:25 on Fri 11 Dec to 17:02 on Sat 12 Dec.", "fact": "2009-12-11T09:24:53Z → 2009-12-12T09:02:22Z" }, { "step": "kaala", "text": "Sunrise is at 07:33 on the 11th and 07:34 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 34125 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Zunyi, 2009: Saturday 12 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": "2009-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saphalā Ekādaśī 2009 falls on Saturday 12 December. Ekādaśī runs from 17:25 on Fri 11 Dec to 17:02 on Sat 12 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-12-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1298, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-12-13T17:06:18+08:00", "utc": "2009-12-13T09:06:18Z", "ms": 1260695177821.849 }, "end": { "local": "2009-12-14T17:37:17+08:00", "utc": "2009-12-14T09:37:17Z", "ms": 1260783437097.4875 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-13T17:06:18+08:00", "utc": "2009-12-13T09:06:18Z", "ms": 1260695177821.849 }, "end": { "local": "2009-12-14T17:37:17+08:00", "utc": "2009-12-14T09:37:17Z", "ms": 1260783437097.4875 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-12-13", "window": { "start": { "local": "2009-12-13T17:58:36+08:00", "utc": "2009-12-13T09:58:36Z", "ms": 1260698315947.1287 }, "end": { "local": "2009-12-13T19:47:26+08:00", "utc": "2009-12-13T11:47:26Z", "ms": 1260704846420.643 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2009-12-14", "window": { "start": { "local": "2009-12-14T17:58:55+08:00", "utc": "2009-12-14T09:58:55Z", "ms": 1260784735362.485 }, "end": { "local": "2009-12-14T19:47:48+08:00", "utc": "2009-12-14T11:47:48Z", "ms": 1260791268222.6223 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:06 on Sun 13 Dec to 17:37 on Mon 14 Dec.", "fact": "2009-12-13T09:06:18Z → 2009-12-14T09:37:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:47 on the 13th, 17:59–19:48 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 109 of 109 minutes on the 13th and 0 of 109 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 1298 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2009: Sunday 13 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": "2009-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-13", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2009 falls on Sunday 13 December. Trayodaśī runs from 17:06 on Sun 13 Dec to 17:37 on Mon 14 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/shivaratri?on=2009-12-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20871, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2009-12-14T17:37:17+08:00", "utc": "2009-12-14T09:37:17Z", "ms": 1260783437097.4875 }, "end": { "local": "2009-12-15T18:35:52+08:00", "utc": "2009-12-15T10:35:52Z", "ms": 1260873351600.0347 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-14T17:37:17+08:00", "utc": "2009-12-14T09:37:17Z", "ms": 1260783437097.4875 }, "end": { "local": "2009-12-15T18:35:52+08:00", "utc": "2009-12-15T10:35:52Z", "ms": 1260873351600.0347 } }, "kaala": "nishita", "days": [ { "local_date": "2009-12-14", "window": { "start": { "local": "2009-12-15T00:23:14+08:00", "utc": "2009-12-14T16:23:14Z", "ms": 1260807793587.9995 }, "end": { "local": "2009-12-15T01:11:14+08:00", "utc": "2009-12-14T17:11:14Z", "ms": 1260810673587.9995 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-12-15", "window": { "start": { "local": "2009-12-16T00:23:42+08:00", "utc": "2009-12-15T16:23:42Z", "ms": 1260894222230.706 }, "end": { "local": "2009-12-16T01:11:42+08:00", "utc": "2009-12-15T17:11:42Z", "ms": 1260897102230.706 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:37 on Mon 14 Dec to 18:36 on Tue 15 Dec.", "fact": "2009-12-14T09:37:17Z → 2009-12-15T10:35:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:23–01:11 on the 14th, 00:24–01:12 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20871 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2009: Monday 14 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": "2009-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-14", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2009 falls on Monday 14 December. Caturdaśī runs from 17:37 on Mon 14 Dec to 18:36 on Tue 15 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2009/shivaratri?on=2009-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-12-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24883, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2009-12-20T02:46:38+08:00", "utc": "2009-12-19T18:46:38Z", "ms": 1261248398370.957 }, "end": { "local": "2009-12-21T05:31:40+08:00", "utc": "2009-12-20T21:31:40Z", "ms": 1261344699548.0654 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-20T02:46:38+08:00", "utc": "2009-12-19T18:46:38Z", "ms": 1261248398370.957 }, "end": { "local": "2009-12-21T05:31:40+08:00", "utc": "2009-12-20T21:31:40Z", "ms": 1261344699548.0654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2009-12-20", "window": { "start": { "local": "2009-12-20T12:25:53+08:00", "utc": "2009-12-20T04:25:53Z", "ms": 1261283152656.6199 }, "end": { "local": "2009-12-20T13:13:53+08:00", "utc": "2009-12-20T05:13:53Z", "ms": 1261286032656.6199 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2009-12-21", "window": { "start": { "local": "2009-12-21T12:26:23+08:00", "utc": "2009-12-21T04:26:23Z", "ms": 1261369582761.0312 }, "end": { "local": "2009-12-21T13:14:23+08:00", "utc": "2009-12-21T05:14:23Z", "ms": 1261372462761.0312 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:47 on Sun 20 Dec to 05:32 on Mon 21 Dec.", "fact": "2009-12-19T18:46:38Z → 2009-12-20T21:31:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 20th, 12:26–13:14 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 24883 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2009: Sunday 20 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": "2009-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2009 falls on Sunday 20 December. Caturthī runs from 02:47 on Sun 20 Dec to 05:32 on Mon 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2009/vinayaka-chaturthi?on=2009-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/ekadashi?on=2009-12-28", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21387, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2009-12-27T14:39:35+08:00", "utc": "2009-12-27T06:39:35Z", "ms": 1261895975294.7188 }, "end": { "local": "2009-12-28T13:38:28+08:00", "utc": "2009-12-28T05:38:28Z", "ms": 1261978707603.4578 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-27T14:39:35+08:00", "utc": "2009-12-27T06:39:35Z", "ms": 1261895975294.7188 }, "end": { "local": "2009-12-28T13:38:28+08:00", "utc": "2009-12-28T05:38:28Z", "ms": 1261978707603.4578 } }, "kaala": "sunrise", "days": [ { "local_date": "2009-12-27", "window": { "start": { "local": "2009-12-27T07:41:38+08:00", "utc": "2009-12-26T23:41:38Z", "ms": 1261870898215.817 }, "end": { "local": "2009-12-27T07:41:38+08:00", "utc": "2009-12-26T23:41:38Z", "ms": 1261870898215.817 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2009-12-28", "window": { "start": { "local": "2009-12-28T07:42:01+08:00", "utc": "2009-12-27T23:42:01Z", "ms": 1261957320837.593 }, "end": { "local": "2009-12-28T07:42:01+08:00", "utc": "2009-12-27T23:42:01Z", "ms": 1261957320837.593 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:40 on Sun 27 Dec to 13:38 on Mon 28 Dec.", "fact": "2009-12-27T06:39:35Z → 2009-12-28T05:38:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 27th and 07:42 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 21387 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2009: Monday 28 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": "2009-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-28", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2009 falls on Monday 28 December. Ekādaśī runs from 14:40 on Sun 27 Dec to 13:38 on Mon 28 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2009/ekadashi?on=2009-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2009/pradosha-vrata?on=2009-12-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2009, "local_date": "2009-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22474, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2009-12-29T11:51:48+08:00", "utc": "2009-12-29T03:51:48Z", "ms": 1262058707617.4487 }, "end": { "local": "2009-12-30T09:26:13+08:00", "utc": "2009-12-30T01:26:13Z", "ms": 1262136372876.599 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2009-12-29T11:51:48+08:00", "utc": "2009-12-29T03:51:48Z", "ms": 1262058707617.4487 }, "end": { "local": "2009-12-30T09:26:13+08:00", "utc": "2009-12-30T01:26:13Z", "ms": 1262136372876.599 } }, "kaala": "pradosha", "days": [ { "local_date": "2009-12-29", "window": { "start": { "local": "2009-12-29T18:06:22+08:00", "utc": "2009-12-29T10:06:22Z", "ms": 1262081181908.1484 }, "end": { "local": "2009-12-29T19:55:13+08:00", "utc": "2009-12-29T11:55:13Z", "ms": 1262087712584.0374 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2009-12-30", "window": { "start": { "local": "2009-12-30T18:07:00+08:00", "utc": "2009-12-30T10:07:00Z", "ms": 1262167620426.2625 }, "end": { "local": "2009-12-30T19:55:48+08:00", "utc": "2009-12-30T11:55:48Z", "ms": 1262174148429.7446 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:52 on Tue 29 Dec to 09:26 on Wed 30 Dec.", "fact": "2009-12-29T03:51:48Z → 2009-12-30T01:26:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:55 on the 29th, 18:07–19:56 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 29th and 0 of 109 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22474 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2009: Tuesday 29 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": "2009-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2009-12-29", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2009 falls on Tuesday 29 December. Trayodaśī runs from 11:52 on Tue 29 Dec to 09:26 on Wed 30 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2009/pradosha-vrata?on=2009-12-29", "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" } }