{ "id": "/zunyi/festivals/2025", "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": 2025, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-01-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32039, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-01-03T03:38:54+08:00", "utc": "2025-01-02T19:38:54Z", "ms": 1735846734374.045 }, "end": { "local": "2025-01-04T02:10:04+08:00", "utc": "2025-01-03T18:10:04Z", "ms": 1735927803864.0635 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-03T03:38:54+08:00", "utc": "2025-01-02T19:38:54Z", "ms": 1735846734374.045 }, "end": { "local": "2025-01-04T02:10:04+08:00", "utc": "2025-01-03T18:10:04Z", "ms": 1735927803864.0635 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-01-03", "window": { "start": { "local": "2025-01-03T12:32:54+08:00", "utc": "2025-01-03T04:32:54Z", "ms": 1735878773786.5212 }, "end": { "local": "2025-01-03T13:20:54+08:00", "utc": "2025-01-03T05:20:54Z", "ms": 1735881653786.5212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-01-04", "window": { "start": { "local": "2025-01-04T12:33:21+08:00", "utc": "2025-01-04T04:33:21Z", "ms": 1735965201437.852 }, "end": { "local": "2025-01-04T13:21:21+08:00", "utc": "2025-01-04T05:21:21Z", "ms": 1735968081437.852 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:39 on Fri 3 Jan to 02:10 on Sat 4 Jan.", "fact": "2025-01-02T19:38:54Z → 2025-01-03T18:10:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 3rd, 12:33–13:21 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "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 32039 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Friday 3 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-03", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Friday 3 January. Caturthī runs from 03:39 on Fri 3 Jan to 02:10 on Sat 4 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-01-10", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18325, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-01-09T14:53:01+08:00", "utc": "2025-01-09T06:53:01Z", "ms": 1736405581140.581 }, "end": { "local": "2025-01-10T12:50:09+08:00", "utc": "2025-01-10T04:50:09Z", "ms": 1736484609094.5127 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-09T14:53:01+08:00", "utc": "2025-01-09T06:53:01Z", "ms": 1736405581140.581 }, "end": { "local": "2025-01-10T12:50:09+08:00", "utc": "2025-01-10T04:50:09Z", "ms": 1736484609094.5127 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-01-09", "window": { "start": { "local": "2025-01-09T07:44:41+08:00", "utc": "2025-01-08T23:44:41Z", "ms": 1736379881311.3762 }, "end": { "local": "2025-01-09T07:44:41+08:00", "utc": "2025-01-08T23:44:41Z", "ms": 1736379881311.3762 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-01-10", "window": { "start": { "local": "2025-01-10T07:44:44+08:00", "utc": "2025-01-09T23:44:44Z", "ms": 1736466284283.0896 }, "end": { "local": "2025-01-10T07:44:44+08:00", "utc": "2025-01-09T23:44:44Z", "ms": 1736466284283.0896 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:53 on Thu 9 Jan to 12:50 on Fri 10 Jan.", "fact": "2025-01-09T06:53:01Z → 2025-01-10T04:50:09Z" }, { "step": "kaala", "text": "Sunrise is at 07:45 on the 9th and 07:45 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18325 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2025: Friday 10 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-10", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2025 falls on Friday 10 January. Ekādaśī runs from 14:53 on Thu 9 Jan to 12:50 on Fri 10 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-01-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-01-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26636, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-01-11T10:52:01+08:00", "utc": "2025-01-11T02:52:01Z", "ms": 1736563921007.886 }, "end": { "local": "2025-01-12T09:04:13+08:00", "utc": "2025-01-12T01:04:13Z", "ms": 1736643853322.9302 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-11T10:52:01+08:00", "utc": "2025-01-11T02:52:01Z", "ms": 1736563921007.886 }, "end": { "local": "2025-01-12T09:04:13+08:00", "utc": "2025-01-12T01:04:13Z", "ms": 1736643853322.9302 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-01-11", "window": { "start": { "local": "2025-01-11T18:15:57+08:00", "utc": "2025-01-11T10:15:57Z", "ms": 1736590556741.7988 }, "end": { "local": "2025-01-11T20:03:47+08:00", "utc": "2025-01-11T12:03:47Z", "ms": 1736597027240.6675 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2025-01-12", "window": { "start": { "local": "2025-01-12T18:16:44+08:00", "utc": "2025-01-12T10:16:44Z", "ms": 1736677003762.7761 }, "end": { "local": "2025-01-12T20:04:28+08:00", "utc": "2025-01-12T12:04:28Z", "ms": 1736683467755.9631 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:52 on Sat 11 Jan to 09:04 on Sun 12 Jan.", "fact": "2025-01-11T02:52:01Z → 2025-01-12T01:04:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–20:04 on the 11th, 18:17–20:04 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 11th and 0 of 108 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26636 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Saturday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-11", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Saturday 11 January. Trayodaśī runs from 10:52 on Sat 11 Jan to 09:04 on Sun 12 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24757, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-13T00:26:12+08:00", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:17:31+08:00", "utc": "2025-01-13T10:17:31Z", "ms": 1736763451112.2742 }, "end": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 }, "end": { "local": "2025-01-15T18:19:07+08:00", "utc": "2025-01-15T10:19:07Z", "ms": 1736936346660.609 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2025-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:26 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 24757 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Zunyi, 2025: Monday 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": "2025-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-13", "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": "2025-01-13", "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 2025 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 11:26 on Tue 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/2025/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/2025/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24757, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-13T00:26:12+08:00", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:17:31+08:00", "utc": "2025-01-13T10:17:31Z", "ms": 1736763451112.2742 }, "end": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 }, "end": { "local": "2025-01-15T18:19:07+08:00", "utc": "2025-01-15T10:19:07Z", "ms": 1736936346660.609 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:26 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 24757 s" }, { "step": "ruling", "text": "Pongal, Zunyi, 2025: Tuesday 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": "2025-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-14", "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": "2025-01-14", "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 2025 falls on Tuesday 14 January. The Sun enters Makara at 11:26 on Tue 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/2025/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/2025/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41141, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-13T00:26:12+08:00", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "civil-day", "days": [ { "local_date": "2025-01-13", "window": { "start": { "local": "2025-01-13T00:00:00+08:00", "utc": "2025-01-12T16:00:00Z", "ms": 1736697600000 }, "end": { "local": "2025-01-14T00:00:00+08:00", "utc": "2025-01-13T16:00:00Z", "ms": 1736784000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-14T00:00:00+08:00", "utc": "2025-01-13T16:00:00Z", "ms": 1736784000000 }, "end": { "local": "2025-01-15T00:00:00+08:00", "utc": "2025-01-14T16:00:00Z", "ms": 1736870400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:26 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 41141 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Zunyi, 2025: Tuesday 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": "2025-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2025-01-14", "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": "2025-01-14", "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 2025 falls on Tuesday 14 January. The Sun enters Makara at 11:26 on Tue 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24757, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-13T00:26:12+08:00", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T11:25:41+08:00", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:17:31+08:00", "utc": "2025-01-13T10:17:31Z", "ms": 1736763451112.2742 }, "end": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:18:19+08:00", "utc": "2025-01-14T10:18:19Z", "ms": 1736849898756.0283 }, "end": { "local": "2025-01-15T18:19:07+08:00", "utc": "2025-01-15T10:19:07Z", "ms": 1736936346660.609 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2025-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:26 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 24757 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Zunyi, 2025: Wednesday 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": "2025-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-15", "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": "2025-01-15", "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 2025 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 11:26 on Tue 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/2025/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/2025/sankashta-chaturthi?on=2025-01-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35693, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-01-17T06:36:40+08:00", "utc": "2025-01-16T22:36:40Z", "ms": 1737067000282.151 }, "end": { "local": "2025-01-18T08:00:40+08:00", "utc": "2025-01-18T00:00:40Z", "ms": 1737158439845.986 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-17T06:36:40+08:00", "utc": "2025-01-16T22:36:40Z", "ms": 1737067000282.151 }, "end": { "local": "2025-01-18T08:00:40+08:00", "utc": "2025-01-18T00:00:40Z", "ms": 1737158439845.986 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-01-16", "window": { "start": { "local": "2025-01-16T20:41:48+08:00", "utc": "2025-01-16T12:41:48Z", "ms": 1737031307704.1543 }, "end": { "local": "2025-01-16T20:41:48+08:00", "utc": "2025-01-16T12:41:48Z", "ms": 1737031307704.1543 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-01-17", "window": { "start": { "local": "2025-01-17T21:37:57+08:00", "utc": "2025-01-17T13:37:57Z", "ms": 1737121077100.9092 }, "end": { "local": "2025-01-17T21:37:57+08:00", "utc": "2025-01-17T13:37:57Z", "ms": 1737121077100.9092 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:37 on Fri 17 Jan to 08:01 on Sat 18 Jan.", "fact": "2025-01-16T22:36:40Z → 2025-01-18T00:00:40Z" }, { "step": "kaala", "text": "Moonrise is at 20:42 on the 16th and 21:38 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35693 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Friday 17 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": "2025-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-17", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Friday 17 January. Caturthī runs from 06:37 on Fri 17 Jan to 08:01 on Sat 18 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-01-17", "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/2025/ekadashi?on=2025-01-25", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31171, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-01-24T21:55:34+08:00", "utc": "2025-01-24T13:55:34Z", "ms": 1737726933676.515 }, "end": { "local": "2025-01-25T23:02:28+08:00", "utc": "2025-01-25T15:02:28Z", "ms": 1737817348008.395 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-24T21:55:34+08:00", "utc": "2025-01-24T13:55:34Z", "ms": 1737726933676.515 }, "end": { "local": "2025-01-25T23:02:28+08:00", "utc": "2025-01-25T15:02:28Z", "ms": 1737817348008.395 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-01-25", "window": { "start": { "local": "2025-01-25T07:42:21+08:00", "utc": "2025-01-24T23:42:21Z", "ms": 1737762140810.1355 }, "end": { "local": "2025-01-25T07:42:21+08:00", "utc": "2025-01-24T23:42:21Z", "ms": 1737762140810.1355 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-01-26", "window": { "start": { "local": "2025-01-26T07:41:59+08:00", "utc": "2025-01-25T23:41:59Z", "ms": 1737848519001.7727 }, "end": { "local": "2025-01-26T07:41:59+08:00", "utc": "2025-01-25T23:41:59Z", "ms": 1737848519001.7727 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:56 on Fri 24 Jan to 23:02 on Sat 25 Jan.", "fact": "2025-01-24T13:55:34Z → 2025-01-25T15:02:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 25th and 07:42 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31171 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Zunyi, 2025: Saturday 25 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": "2025-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-25", "confidence": "determinate" } ], "quote": "In Zunyi, Ṣaṭtilā Ekādaśī 2025 falls on Saturday 25 January. Ekādaśī runs from 21:56 on Fri 24 Jan to 23:02 on Sat 25 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-01-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10243, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-01-26T23:25:19+08:00", "utc": "2025-01-26T15:25:19Z", "ms": 1737905119346.255 }, "end": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-26T23:25:19+08:00", "utc": "2025-01-26T15:25:19Z", "ms": 1737905119346.255 }, "end": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-01-26", "window": { "start": { "local": "2025-01-26T18:28:02+08:00", "utc": "2025-01-26T10:28:02Z", "ms": 1737887281589.5266 }, "end": { "local": "2025-01-26T20:13:50+08:00", "utc": "2025-01-26T12:13:50Z", "ms": 1737893630140.311 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2025-01-27", "window": { "start": { "local": "2025-01-27T18:28:50+08:00", "utc": "2025-01-27T10:28:50Z", "ms": 1737973730129.7908 }, "end": { "local": "2025-01-27T20:14:29+08:00", "utc": "2025-01-27T12:14:29Z", "ms": 1737980068909.6804 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:25 on Sun 26 Jan to 23:05 on Mon 27 Jan.", "fact": "2025-01-26T15:25:19Z → 2025-01-27T15:05:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:14 on the 26th, 18:29–20:14 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 26th and 106 of 106 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10243 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Monday 27 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": "2025-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-27", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 27 January. Trayodaśī runs from 23:25 on Sun 26 Jan to 23:05 on Mon 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-01-27", "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/2025/shivaratri?on=2025-01-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5749, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T22:06:33+08:00", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T22:06:33+08:00", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 } }, "kaala": "nishita", "days": [ { "local_date": "2025-01-27", "window": { "start": { "local": "2025-01-28T00:41:01+08:00", "utc": "2025-01-27T16:41:01Z", "ms": 1737996060554.3772 }, "end": { "local": "2025-01-28T01:29:01+08:00", "utc": "2025-01-27T17:29:01Z", "ms": 1737998940554.3772 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-01-28", "window": { "start": { "local": "2025-01-29T00:41:12+08:00", "utc": "2025-01-28T16:41:12Z", "ms": 1738082471657.3826 }, "end": { "local": "2025-01-29T01:29:12+08:00", "utc": "2025-01-28T17:29:12Z", "ms": 1738085351657.3826 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:05 on Mon 27 Jan to 22:07 on Tue 28 Jan.", "fact": "2025-01-27T15:05:12Z → 2025-01-28T14:06:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:41–01:29 on the 27th, 00:41–01:29 on the 28th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5749 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Monday 27 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": "2025-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-27", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Monday 27 January. Caturdaśī runs from 23:05 on Mon 27 Jan to 22:07 on Tue 28 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-01-27", "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/2025/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24621, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T22:06:33+08:00", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-27T23:05:12+08:00", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T22:06:33+08:00", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-01-28", "window": { "start": { "local": "2025-01-28T05:55:32+08:00", "utc": "2025-01-27T21:55:32Z", "ms": 1738014932199.074 }, "end": { "local": "2025-01-28T07:41:11+08:00", "utc": "2025-01-27T23:41:11Z", "ms": 1738021270978.9636 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2025-01-29", "window": { "start": { "local": "2025-01-29T05:55:16+08:00", "utc": "2025-01-28T21:55:16Z", "ms": 1738101315955.0962 }, "end": { "local": "2025-01-29T07:40:45+08:00", "utc": "2025-01-28T23:40:45Z", "ms": 1738107644790.6284 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:05 on Mon 27 Jan to 22:07 on Tue 28 Jan.", "fact": "2025-01-27T15:05:12Z → 2025-01-28T14:06:33Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:56–07:41 on the 28th, 05:55–07:41 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 106 of 106 minutes on the 28th and 0 of 105 on the 29th.", "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 24621 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Zunyi, 2025: Tuesday 28 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": "2025-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-28", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Tarpaṇa 2025 falls on Tuesday 28 January. Caturdaśī runs from 23:05 on Mon 27 Jan to 22:07 on Tue 28 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15841, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-01T14:08:49+08:00", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-01T14:08:49+08:00", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-01", "window": { "start": { "local": "2025-02-01T18:32:50+08:00", "utc": "2025-02-01T10:32:50Z", "ms": 1738405970074.748 }, "end": { "local": "2025-02-01T20:17:38+08:00", "utc": "2025-02-01T12:17:38Z", "ms": 1738412257511.0764 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T18:33:37+08:00", "utc": "2025-02-02T10:33:37Z", "ms": 1738492417324.3804 }, "end": { "local": "2025-02-02T20:18:14+08:00", "utc": "2025-02-02T12:18:14Z", "ms": 1738498694033.3186 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:09 on Sat 1 Feb to 11:45 on Sun 2 Feb.", "fact": "2025-02-01T06:08:49Z → 2025-02-02T03:44:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:18 on the 1st, 18:34–20:18 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 105 of 105 minutes on the 1st and 0 of 105 on the 2nd.", "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 15841 s" }, { "step": "ruling", "text": "Tila Caturthī, Zunyi, 2025: Saturday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-01", "confidence": "determinate" } ], "quote": "In Zunyi, Tila Caturthī 2025 falls on Saturday 1 February. Caturthī runs from 14:09 on Sat 1 Feb to 11:45 on Sun 2 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3434, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T09:23:16+08:00", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T09:23:16+08:00", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:42:12+08:00", "utc": "2025-02-02T04:42:12Z", "ms": 1738471331585.7952 }, "end": { "local": "2025-02-02T13:30:12+08:00", "utc": "2025-02-02T05:30:12Z", "ms": 1738474211585.7952 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-02-03", "window": { "start": { "local": "2025-02-03T12:42:18+08:00", "utc": "2025-02-03T04:42:18Z", "ms": 1738557738456.9678 }, "end": { "local": "2025-02-03T13:30:18+08:00", "utc": "2025-02-03T05:30:18Z", "ms": 1738560618456.9678 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:45 on Sun 2 Feb to 09:23 on Mon 3 Feb.", "fact": "2025-02-02T03:44:58Z → 2025-02-03T01:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 2nd, 12:42–13:30 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3434 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Zunyi, 2025: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-02", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Pañcamī 2025 falls on Sunday 2 February. Pañcamī runs from 11:45 on Sun 2 Feb to 09:23 on Mon 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3434, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T09:23:16+08:00", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T09:23:16+08:00", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:42:12+08:00", "utc": "2025-02-02T04:42:12Z", "ms": 1738471331585.7952 }, "end": { "local": "2025-02-02T13:30:12+08:00", "utc": "2025-02-02T05:30:12Z", "ms": 1738474211585.7952 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-02-03", "window": { "start": { "local": "2025-02-03T12:42:18+08:00", "utc": "2025-02-03T04:42:18Z", "ms": 1738557738456.9678 }, "end": { "local": "2025-02-03T13:30:18+08:00", "utc": "2025-02-03T05:30:18Z", "ms": 1738560618456.9678 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:45 on Sun 2 Feb to 09:23 on Mon 3 Feb.", "fact": "2025-02-02T03:44:58Z → 2025-02-03T01:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 2nd, 12:42–13:30 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3434 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Zunyi, 2025: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-02", "confidence": "determinate" } ], "quote": "In Zunyi, Vasanta Pañcamī 2025 falls on Sunday 2 February. Pañcamī runs from 11:45 on Sun 2 Feb to 09:23 on Mon 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2325, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-01T14:08:49+08:00", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-01T14:08:49+08:00", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T11:44:58+08:00", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-01", "window": { "start": { "local": "2025-02-01T12:42:04+08:00", "utc": "2025-02-01T04:42:04Z", "ms": 1738384923878.2676 }, "end": { "local": "2025-02-01T13:30:04+08:00", "utc": "2025-02-01T05:30:04Z", "ms": 1738387803878.2676 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:42:12+08:00", "utc": "2025-02-02T04:42:12Z", "ms": 1738471331585.7952 }, "end": { "local": "2025-02-02T13:30:12+08:00", "utc": "2025-02-02T05:30:12Z", "ms": 1738474211585.7952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:09 on Sat 1 Feb to 11:45 on Sun 2 Feb.", "fact": "2025-02-01T06:08:49Z → 2025-02-02T03:44:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 1st, 12:42–13:30 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2325 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Zunyi, 2025: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-01", "confidence": "boundary" } ], "quote": "In Zunyi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2025 falls on Sunday 2 February. Caturthī runs from 14:09 on Sat 1 Feb to 11:45 on Sun 2 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1795, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-02-04T07:07:43+08:00", "utc": "2025-02-03T23:07:43Z", "ms": 1738624062620.141 }, "end": { "local": "2025-02-05T05:01:16+08:00", "utc": "2025-02-04T21:01:16Z", "ms": 1738702875665.908 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-04T07:07:43+08:00", "utc": "2025-02-03T23:07:43Z", "ms": 1738624062620.141 }, "end": { "local": "2025-02-05T05:01:16+08:00", "utc": "2025-02-04T21:01:16Z", "ms": 1738702875665.908 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-02-04", "window": { "start": { "local": "2025-02-04T05:53:12+08:00", "utc": "2025-02-03T21:53:12Z", "ms": 1738619592242.2937 }, "end": { "local": "2025-02-04T07:37:38+08:00", "utc": "2025-02-03T23:37:38Z", "ms": 1738625858083.7976 } }, "covered_min": 30, "window_min": 104, "qualifies": true }, { "local_date": "2025-02-05", "window": { "start": { "local": "2025-02-05T05:52:47+08:00", "utc": "2025-02-04T21:52:47Z", "ms": 1738705967356.1921 }, "end": { "local": "2025-02-05T07:37:02+08:00", "utc": "2025-02-04T23:37:02Z", "ms": 1738712222195.618 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:08 on Tue 4 Feb to 05:01 on Wed 5 Feb.", "fact": "2025-02-03T23:07:43Z → 2025-02-04T21:01:16Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:53–07:38 on the 4th, 05:53–07:37 on the 5th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 30 of 104 minutes on the 4th and 0 of 104 on the 5th.", "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 1795 s" }, { "step": "ruling", "text": "Ratha Saptamī, Zunyi, 2025: Tuesday 4 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": "2025-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-04", "confidence": "determinate" } ], "quote": "In Zunyi, Ratha Saptamī 2025 falls on Tuesday 4 February. Saptamī runs from 07:08 on Tue 4 Feb to 05:01 on Wed 5 Feb and covers 30 of 104 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-02-08", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27502, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-02-07T23:56:45+08:00", "utc": "2025-02-07T15:56:45Z", "ms": 1738943805223.5088 }, "end": { "local": "2025-02-08T22:46:28+08:00", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-07T23:56:45+08:00", "utc": "2025-02-07T15:56:45Z", "ms": 1738943805223.5088 }, "end": { "local": "2025-02-08T22:46:28+08:00", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-02-08", "window": { "start": { "local": "2025-02-08T07:35:07+08:00", "utc": "2025-02-07T23:35:07Z", "ms": 1738971306784.8135 }, "end": { "local": "2025-02-08T07:35:07+08:00", "utc": "2025-02-07T23:35:07Z", "ms": 1738971306784.8135 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T07:34:26+08:00", "utc": "2025-02-08T23:34:26Z", "ms": 1739057665817.7302 }, "end": { "local": "2025-02-09T07:34:26+08:00", "utc": "2025-02-08T23:34:26Z", "ms": 1739057665817.7302 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:57 on Fri 7 Feb to 22:46 on Sat 8 Feb.", "fact": "2025-02-07T15:56:45Z → 2025-02-08T14:46:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:35 on the 8th and 07:34 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27502 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Zunyi, 2025: Saturday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-08", "confidence": "determinate" } ], "quote": "In Zunyi, Jayā Ekādaśī 2025 falls on Saturday 8 February. Ekādaśī runs from 23:57 on Fri 7 Feb to 22:46 on Sat 8 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30305, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-02-08T22:46:28+08:00", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "end": { "local": "2025-02-09T21:55:47+08:00", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-08T22:46:28+08:00", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "end": { "local": "2025-02-09T21:55:47+08:00", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-08", "window": { "start": { "local": "2025-02-08T12:42:40+08:00", "utc": "2025-02-08T04:42:40Z", "ms": 1738989760343.1045 }, "end": { "local": "2025-02-08T13:30:40+08:00", "utc": "2025-02-08T05:30:40Z", "ms": 1738992640343.1045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T12:42:42+08:00", "utc": "2025-02-09T04:42:42Z", "ms": 1739076162268.8477 }, "end": { "local": "2025-02-09T13:30:42+08:00", "utc": "2025-02-09T05:30:42Z", "ms": 1739079042268.8477 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:46 on Sat 8 Feb to 21:56 on Sun 9 Feb.", "fact": "2025-02-08T14:46:28Z → 2025-02-09T13:55:47Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30305 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Zunyi, 2025: Sunday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-09", "confidence": "determinate" } ], "quote": "In Zunyi, Bhīṣma Dvādaśī 2025 falls on Sunday 9 February. Dvādaśī runs from 22:46 on Sat 8 Feb to 21:56 on Sun 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-02-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3900, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-02-09T21:55:47+08:00", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "end": { "local": "2025-02-10T21:27:49+08:00", "utc": "2025-02-10T13:27:49Z", "ms": 1739194069421.7275 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-09T21:55:47+08:00", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "end": { "local": "2025-02-10T21:27:49+08:00", "utc": "2025-02-10T13:27:49Z", "ms": 1739194069421.7275 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T18:38:59+08:00", "utc": "2025-02-09T10:38:59Z", "ms": 1739097538719.9653 }, "end": { "local": "2025-02-09T20:22:17+08:00", "utc": "2025-02-09T12:22:17Z", "ms": 1739103736710.242 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2025-02-10", "window": { "start": { "local": "2025-02-10T18:39:43+08:00", "utc": "2025-02-10T10:39:43Z", "ms": 1739183983151.4976 }, "end": { "local": "2025-02-10T20:22:49+08:00", "utc": "2025-02-10T12:22:49Z", "ms": 1739190169438.0232 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:56 on Sun 9 Feb to 21:28 on Mon 10 Feb.", "fact": "2025-02-09T13:55:47Z → 2025-02-10T13:27:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:22 on the 9th, 18:40–20:23 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 9th and 103 of 103 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3900 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Monday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-10", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Monday 10 February. Trayodaśī runs from 21:56 on Sun 9 Feb to 21:28 on Mon 10 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28515, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-02-11T21:25:59+08:00", "utc": "2025-02-11T13:25:59Z", "ms": 1739280358987.8281 }, "end": { "local": "2025-02-12T21:53:24+08:00", "utc": "2025-02-12T13:53:24Z", "ms": 1739368403938.176 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-11T21:25:59+08:00", "utc": "2025-02-11T13:25:59Z", "ms": 1739280358987.8281 }, "end": { "local": "2025-02-12T21:53:24+08:00", "utc": "2025-02-12T13:53:24Z", "ms": 1739368403938.176 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-11", "window": { "start": { "local": "2025-02-11T12:42:44+08:00", "utc": "2025-02-11T04:42:44Z", "ms": 1739248963746.282 }, "end": { "local": "2025-02-11T13:30:44+08:00", "utc": "2025-02-11T05:30:44Z", "ms": 1739251843746.282 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-12", "window": { "start": { "local": "2025-02-12T12:42:43+08:00", "utc": "2025-02-12T04:42:43Z", "ms": 1739335363322.6938 }, "end": { "local": "2025-02-12T13:30:43+08:00", "utc": "2025-02-12T05:30:43Z", "ms": 1739338243322.6938 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:26 on Tue 11 Feb to 21:53 on Wed 12 Feb.", "fact": "2025-02-11T13:25:59Z → 2025-02-12T13:53:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 11th, 12:43–13:31 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28515 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Zunyi, 2025: Wednesday 12 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": "2025-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-12", "confidence": "determinate" } ], "quote": "In Zunyi, Māghī Pūrṇimā 2025 falls on Wednesday 12 February. Pūrṇimā runs from 21:26 on Tue 11 Feb to 21:53 on Wed 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-02-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18509, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-16T02:22:54+08:00", "utc": "2025-02-15T18:22:54Z", "ms": 1739643773671.6826 }, "end": { "local": "2025-02-17T04:46:25+08:00", "utc": "2025-02-16T20:46:25Z", "ms": 1739738784758.959 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-16T02:22:54+08:00", "utc": "2025-02-15T18:22:54Z", "ms": 1739643773671.6826 }, "end": { "local": "2025-02-17T04:46:25+08:00", "utc": "2025-02-16T20:46:25Z", "ms": 1739738784758.959 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-02-15", "window": { "start": { "local": "2025-02-15T21:14:25+08:00", "utc": "2025-02-15T13:14:25Z", "ms": 1739625265062.953 }, "end": { "local": "2025-02-15T21:14:25+08:00", "utc": "2025-02-15T13:14:25Z", "ms": 1739625265062.953 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-02-16", "window": { "start": { "local": "2025-02-16T22:06:40+08:00", "utc": "2025-02-16T14:06:40Z", "ms": 1739714799852.3599 }, "end": { "local": "2025-02-16T22:06:40+08:00", "utc": "2025-02-16T14:06:40Z", "ms": 1739714799852.3599 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:23 on Sun 16 Feb to 04:46 on Mon 17 Feb.", "fact": "2025-02-15T18:22:54Z → 2025-02-16T20:46:25Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 15th and 22:07 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18509 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Sunday 16 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": "2025-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-16", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Sunday 16 February. Caturthī runs from 02:23 on Sun 16 Feb to 04:46 on Mon 17 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-02-24", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31998, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-02-23T16:26:25+08:00", "utc": "2025-02-23T08:26:25Z", "ms": 1740299185039.731 }, "end": { "local": "2025-02-24T16:15:21+08:00", "utc": "2025-02-24T08:15:21Z", "ms": 1740384921081.351 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-23T16:26:25+08:00", "utc": "2025-02-23T08:26:25Z", "ms": 1740299185039.731 }, "end": { "local": "2025-02-24T16:15:21+08:00", "utc": "2025-02-24T08:15:21Z", "ms": 1740384921081.351 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-02-23", "window": { "start": { "local": "2025-02-23T07:22:59+08:00", "utc": "2025-02-22T23:22:59Z", "ms": 1740266578686.8296 }, "end": { "local": "2025-02-23T07:22:59+08:00", "utc": "2025-02-22T23:22:59Z", "ms": 1740266578686.8296 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-02-24", "window": { "start": { "local": "2025-02-24T07:22:03+08:00", "utc": "2025-02-23T23:22:03Z", "ms": 1740352922618.2063 }, "end": { "local": "2025-02-24T07:22:03+08:00", "utc": "2025-02-23T23:22:03Z", "ms": 1740352922618.2063 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:26 on Sun 23 Feb to 16:15 on Mon 24 Feb.", "fact": "2025-02-23T08:26:25Z → 2025-02-24T08:15:21Z" }, { "step": "kaala", "text": "Sunrise is at 07:23 on the 23rd and 07:22 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31998 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Zunyi, 2025: Monday 24 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": "2025-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-24", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Ekādaśī 2025 falls on Monday 24 February. Ekādaśī runs from 16:26 on Sun 23 Feb to 16:15 on Mon 24 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-02-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12724, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-02-25T15:17:58+08:00", "utc": "2025-02-25T07:17:58Z", "ms": 1740467878264.7253 }, "end": { "local": "2025-02-26T13:38:56+08:00", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-25T15:17:58+08:00", "utc": "2025-02-25T07:17:58Z", "ms": 1740467878264.7253 }, "end": { "local": "2025-02-26T13:38:56+08:00", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-25", "window": { "start": { "local": "2025-02-25T18:50:03+08:00", "utc": "2025-02-25T10:50:03Z", "ms": 1740480602712.735 }, "end": { "local": "2025-02-25T20:30:03+08:00", "utc": "2025-02-25T12:30:03Z", "ms": 1740486603438.4597 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-02-26", "window": { "start": { "local": "2025-02-26T18:50:41+08:00", "utc": "2025-02-26T10:50:41Z", "ms": 1740567040957.2524 }, "end": { "local": "2025-02-26T20:30:29+08:00", "utc": "2025-02-26T12:30:29Z", "ms": 1740573028804.8093 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:18 on Tue 25 Feb to 13:39 on Wed 26 Feb.", "fact": "2025-02-25T07:17:58Z → 2025-02-26T05:38:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:30 on the 25th, 18:51–20:30 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 25th and 0 of 100 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12724 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Tuesday 25 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": "2025-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-25", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Tuesday 25 February. Trayodaśī runs from 15:18 on Tue 25 Feb to 13:39 on Wed 26 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35773, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-02-26T13:38:56+08:00", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "end": { "local": "2025-02-27T11:25:09+08:00", "utc": "2025-02-27T03:25:09Z", "ms": 1740626708728.0815 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-26T13:38:56+08:00", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "end": { "local": "2025-02-27T11:25:09+08:00", "utc": "2025-02-27T03:25:09Z", "ms": 1740626708728.0815 } }, "kaala": "nishita", "days": [ { "local_date": "2025-02-25", "window": { "start": { "local": "2025-02-26T00:41:05+08:00", "utc": "2025-02-25T16:41:05Z", "ms": 1740501665434.2021 }, "end": { "local": "2025-02-26T01:29:05+08:00", "utc": "2025-02-25T17:29:05Z", "ms": 1740504545434.2021 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-26", "window": { "start": { "local": "2025-02-27T00:40:55+08:00", "utc": "2025-02-26T16:40:55Z", "ms": 1740588055385.5908 }, "end": { "local": "2025-02-27T01:28:55+08:00", "utc": "2025-02-26T17:28:55Z", "ms": 1740590935385.5908 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:39 on Wed 26 Feb to 11:25 on Thu 27 Feb.", "fact": "2025-02-26T05:38:56Z → 2025-02-27T03:25:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:41–01:29 on the 25th, 00:41–01:29 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 35773 s" }, { "step": "ruling", "text": "Mahāśivarātri, Zunyi, 2025: Wednesday 26 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": "2025-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-26", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāśivarātri 2025 falls on Wednesday 26 February. Caturdaśī runs from 13:39 on Wed 26 Feb to 11:25 on Thu 27 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-03-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25449, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-03-02T23:32:31+08:00", "utc": "2025-03-02T15:32:31Z", "ms": 1740929550915.643 }, "end": { "local": "2025-03-03T20:32:37+08:00", "utc": "2025-03-03T12:32:37Z", "ms": 1741005157360.108 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-02T23:32:31+08:00", "utc": "2025-03-02T15:32:31Z", "ms": 1740929550915.643 }, "end": { "local": "2025-03-03T20:32:37+08:00", "utc": "2025-03-03T12:32:37Z", "ms": 1741005157360.108 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-02", "window": { "start": { "local": "2025-03-02T12:40:40+08:00", "utc": "2025-03-02T04:40:40Z", "ms": 1740890440445.1787 }, "end": { "local": "2025-03-02T13:28:40+08:00", "utc": "2025-03-02T05:28:40Z", "ms": 1740893320445.1787 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-03-03", "window": { "start": { "local": "2025-03-03T12:40:28+08:00", "utc": "2025-03-03T04:40:28Z", "ms": 1740976828139.9177 }, "end": { "local": "2025-03-03T13:28:28+08:00", "utc": "2025-03-03T05:28:28Z", "ms": 1740979708139.9177 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:33 on Sun 2 Mar to 20:33 on Mon 3 Mar.", "fact": "2025-03-02T15:32:31Z → 2025-03-03T12:32:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 2nd, 12:40–13:28 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25449 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Monday 3 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-03", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Monday 3 March. Caturthī runs from 23:33 on Sun 2 Mar to 20:33 on Mon 3 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-03-10", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11214, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-03-09T10:15:46+08:00", "utc": "2025-03-09T02:15:46Z", "ms": 1741486546012.0347 }, "end": { "local": "2025-03-10T10:15:14+08:00", "utc": "2025-03-10T02:15:14Z", "ms": 1741572914198.532 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-09T10:15:46+08:00", "utc": "2025-03-09T02:15:46Z", "ms": 1741486546012.0347 }, "end": { "local": "2025-03-10T10:15:14+08:00", "utc": "2025-03-10T02:15:14Z", "ms": 1741572914198.532 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-09", "window": { "start": { "local": "2025-03-09T07:08:52+08:00", "utc": "2025-03-08T23:08:52Z", "ms": 1741475331715.427 }, "end": { "local": "2025-03-09T07:08:52+08:00", "utc": "2025-03-08T23:08:52Z", "ms": 1741475331715.427 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-10", "window": { "start": { "local": "2025-03-10T07:07:47+08:00", "utc": "2025-03-09T23:07:47Z", "ms": 1741561667031.478 }, "end": { "local": "2025-03-10T07:07:47+08:00", "utc": "2025-03-09T23:07:47Z", "ms": 1741561667031.478 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:16 on Sun 9 Mar to 10:15 on Mon 10 Mar.", "fact": "2025-03-09T02:15:46Z → 2025-03-10T02:15:14Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 9th and 07:08 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11214 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Zunyi, 2025: Monday 10 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-10", "confidence": "determinate" } ], "quote": "In Zunyi, Āmalakī Ekādaśī 2025 falls on Monday 10 March. Ekādaśī runs from 10:16 on Sun 9 Mar to 10:15 on Mon 10 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-03-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-03-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26208, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-03-11T10:44:31+08:00", "utc": "2025-03-11T02:44:31Z", "ms": 1741661071177.978 }, "end": { "local": "2025-03-12T11:42:12+08:00", "utc": "2025-03-12T03:42:12Z", "ms": 1741750931646.9717 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-11T10:44:31+08:00", "utc": "2025-03-11T02:44:31Z", "ms": 1741661071177.978 }, "end": { "local": "2025-03-12T11:42:12+08:00", "utc": "2025-03-12T03:42:12Z", "ms": 1741750931646.9717 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-03-11", "window": { "start": { "local": "2025-03-11T18:58:26+08:00", "utc": "2025-03-11T10:58:26Z", "ms": 1741690705831.311 }, "end": { "local": "2025-03-11T20:35:23+08:00", "utc": "2025-03-11T12:35:23Z", "ms": 1741696523250.4111 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2025-03-12", "window": { "start": { "local": "2025-03-12T18:58:59+08:00", "utc": "2025-03-12T10:58:59Z", "ms": 1741777139392.0815 }, "end": { "local": "2025-03-12T20:35:44+08:00", "utc": "2025-03-12T12:35:44Z", "ms": 1741782943561.3625 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:45 on Tue 11 Mar to 11:42 on Wed 12 Mar.", "fact": "2025-03-11T02:44:31Z → 2025-03-12T03:42:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:35 on the 11th, 18:59–20:36 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 11th and 0 of 97 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26208 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Tuesday 11 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-11", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Tuesday 11 March. Trayodaśī runs from 10:45 on Tue 11 Mar to 11:42 on Wed 12 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6126, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-03-13T13:06:23+08:00", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-13T13:06:23+08:00", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-03-13", "window": { "start": { "local": "2025-03-13T16:36:32+08:00", "utc": "2025-03-13T08:36:32Z", "ms": 1741854992296.657 }, "end": { "local": "2025-03-13T18:59:33+08:00", "utc": "2025-03-13T10:59:33Z", "ms": 1741863572705.399 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T16:36:46+08:00", "utc": "2025-03-14T08:36:46Z", "ms": 1741941405536.8667 }, "end": { "local": "2025-03-14T19:00:06+08:00", "utc": "2025-03-14T11:00:06Z", "ms": 1741950005787.9414 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:06 on Thu 13 Mar to 14:55 on Fri 14 Mar.", "fact": "2025-03-13T05:06:23Z → 2025-03-14T06:54:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:00 on the 13th, 16:37–19:00 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 13th and 0 of 143 on the 14th.", "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 6126 s" }, { "step": "ruling", "text": "Holikā Dahana, Zunyi, 2025: Thursday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-13", "confidence": "determinate" } ], "quote": "In Zunyi, Holikā Dahana 2025 falls on Thursday 13 March. Pūrṇimā runs from 13:06 on Thu 13 Mar to 14:55 on Fri 14 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6126, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-03-13T13:06:23+08:00", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-13T13:06:23+08:00", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-03-13", "window": { "start": { "local": "2025-03-13T16:36:32+08:00", "utc": "2025-03-13T08:36:32Z", "ms": 1741854992296.657 }, "end": { "local": "2025-03-13T18:59:33+08:00", "utc": "2025-03-13T10:59:33Z", "ms": 1741863572705.399 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T16:36:46+08:00", "utc": "2025-03-14T08:36:46Z", "ms": 1741941405536.8667 }, "end": { "local": "2025-03-14T19:00:06+08:00", "utc": "2025-03-14T11:00:06Z", "ms": 1741950005787.9414 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2025-03-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:06 on Thu 13 Mar to 14:55 on Fri 14 Mar.", "fact": "2025-03-13T05:06:23Z → 2025-03-14T06:54:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:00 on the 13th, 16:37–19:00 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 13th and 0 of 143 on the 14th.", "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 6126 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 13 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Zunyi, 2025: Friday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-14", "confidence": "determinate" } ], "quote": "In Zunyi, Holī 2025 falls on Friday 14 March. It is kept the day after Holikā Dahana, which falls on Thursday 13 March. Pūrṇimā runs from 13:06 on Thu 13 Mar to 14:55 on Fri 14 Mar and covers all of sāyāhna on the 13th.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28275, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "end": { "local": "2025-03-15T17:03:40+08:00", "utc": "2025-03-15T09:03:40Z", "ms": 1742029419519.332 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-14T14:54:39+08:00", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "end": { "local": "2025-03-15T17:03:40+08:00", "utc": "2025-03-15T09:03:40Z", "ms": 1742029419519.332 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T07:03:25+08:00", "utc": "2025-03-13T23:03:25Z", "ms": 1741907004532.5674 }, "end": { "local": "2025-03-14T07:03:25+08:00", "utc": "2025-03-13T23:03:25Z", "ms": 1741907004532.5674 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-15", "window": { "start": { "local": "2025-03-15T07:02:18+08:00", "utc": "2025-03-14T23:02:18Z", "ms": 1741993338117.1206 }, "end": { "local": "2025-03-15T07:02:18+08:00", "utc": "2025-03-14T23:02:18Z", "ms": 1741993338117.1206 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:55 on Fri 14 Mar to 17:04 on Sat 15 Mar.", "fact": "2025-03-14T06:54:39Z → 2025-03-15T09:03:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:03 on the 14th and 07:02 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 28275 s" }, { "step": "ruling", "text": "Vasantotsava, Zunyi, 2025: Saturday 15 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": "2025-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-15", "confidence": "determinate" } ], "quote": "In Zunyi, Vasantotsava 2025 falls on Saturday 15 March. Pratipadā runs from 14:55 on Fri 14 Mar to 17:04 on Sat 15 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-03-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1113, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-03-17T22:03:34+08:00", "utc": "2025-03-17T14:03:34Z", "ms": 1742220214049.796 }, "end": { "local": "2025-03-19T00:39:49+08:00", "utc": "2025-03-18T16:39:49Z", "ms": 1742315989018.134 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-17T22:03:34+08:00", "utc": "2025-03-17T14:03:34Z", "ms": 1742220214049.796 }, "end": { "local": "2025-03-19T00:39:49+08:00", "utc": "2025-03-18T16:39:49Z", "ms": 1742315989018.134 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-03-17", "window": { "start": { "local": "2025-03-17T21:45:01+08:00", "utc": "2025-03-17T13:45:01Z", "ms": 1742219101483.4536 }, "end": { "local": "2025-03-17T21:45:01+08:00", "utc": "2025-03-17T13:45:01Z", "ms": 1742219101483.4536 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-18", "window": { "start": { "local": "2025-03-18T22:39:45+08:00", "utc": "2025-03-18T14:39:45Z", "ms": 1742308784971.391 }, "end": { "local": "2025-03-18T22:39:45+08:00", "utc": "2025-03-18T14:39:45Z", "ms": 1742308784971.391 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:04 on Mon 17 Mar to 00:40 on Wed 19 Mar.", "fact": "2025-03-17T14:03:34Z → 2025-03-18T16:39:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:45 on the 17th and 22:40 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1113 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Tuesday 18 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": "2025-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-18", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Tuesday 18 March. Caturthī runs from 22:04 on Mon 17 Mar to 00:40 on Wed 19 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16872, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-03-22T06:54:20+08:00", "utc": "2025-03-21T22:54:20Z", "ms": 1742597659990.6946 }, "end": { "local": "2025-03-23T07:53:56+08:00", "utc": "2025-03-22T23:53:56Z", "ms": 1742687635613.4739 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-22T06:54:20+08:00", "utc": "2025-03-21T22:54:20Z", "ms": 1742597659990.6946 }, "end": { "local": "2025-03-23T07:53:56+08:00", "utc": "2025-03-22T23:53:56Z", "ms": 1742687635613.4739 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-22", "window": { "start": { "local": "2025-03-22T12:35:26+08:00", "utc": "2025-03-22T04:35:26Z", "ms": 1742618125899.5137 }, "end": { "local": "2025-03-22T13:23:26+08:00", "utc": "2025-03-22T05:23:26Z", "ms": 1742621005899.5137 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-03-23", "window": { "start": { "local": "2025-03-23T12:35:08+08:00", "utc": "2025-03-23T04:35:08Z", "ms": 1742704507943.8423 }, "end": { "local": "2025-03-23T13:23:08+08:00", "utc": "2025-03-23T05:23:08Z", "ms": 1742707387943.8423 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:54 on Sat 22 Mar to 07:54 on Sun 23 Mar.", "fact": "2025-03-21T22:54:20Z → 2025-03-22T23:53:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 22nd, 12:35–13:23 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "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 16872 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Zunyi, 2025: Saturday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-22", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalāṣṭamī 2025 falls on Saturday 22 March. Aṣṭamī runs from 06:54 on Sat 22 Mar to 07:54 on Sun 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-03-25", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2039, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-03-25T07:35:41+08:00", "utc": "2025-03-24T23:35:41Z", "ms": 1742859340623.285 }, "end": { "local": "2025-03-26T06:15:58+08:00", "utc": "2025-03-25T22:15:58Z", "ms": 1742940957832.8079 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-25T07:35:41+08:00", "utc": "2025-03-24T23:35:41Z", "ms": 1742859340623.285 }, "end": { "local": "2025-03-26T06:15:58+08:00", "utc": "2025-03-25T22:15:58Z", "ms": 1742940957832.8079 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-25", "window": { "start": { "local": "2025-03-25T06:51:05+08:00", "utc": "2025-03-24T22:51:05Z", "ms": 1742856664688.941 }, "end": { "local": "2025-03-25T06:51:05+08:00", "utc": "2025-03-24T22:51:05Z", "ms": 1742856664688.941 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-26", "window": { "start": { "local": "2025-03-26T06:49:57+08:00", "utc": "2025-03-25T22:49:57Z", "ms": 1742942997050.642 }, "end": { "local": "2025-03-26T06:49:57+08:00", "utc": "2025-03-25T22:49:57Z", "ms": 1742942997050.642 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:36 on Tue 25 Mar to 06:16 on Wed 26 Mar.", "fact": "2025-03-24T23:35:41Z → 2025-03-25T22:15:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 25th and 06:50 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is not on the 26th.", "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 2039 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Zunyi, 2025: Tuesday 25 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": "2025-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-25", "confidence": "determinate" } ], "quote": "In Zunyi, Pāpamocanī Ekādaśī 2025 falls on Tuesday 25 March. Ekādaśī runs from 07:36 on Tue 25 Mar to 06:16 on Wed 26 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-03-25", "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/2025/pradosha-vrata?on=2025-03-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17607, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-03-27T04:13:18+08:00", "utc": "2025-03-26T20:13:18Z", "ms": 1743019997947.4912 }, "end": { "local": "2025-03-28T01:33:55+08:00", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-27T04:13:18+08:00", "utc": "2025-03-26T20:13:18Z", "ms": 1743019997947.4912 }, "end": { "local": "2025-03-28T01:33:55+08:00", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-03-26", "window": { "start": { "local": "2025-03-26T19:06:31+08:00", "utc": "2025-03-26T11:06:31Z", "ms": 1742987190653.9324 }, "end": { "local": "2025-03-26T20:40:09+08:00", "utc": "2025-03-26T12:40:09Z", "ms": 1742992809162.6125 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2025-03-27", "window": { "start": { "local": "2025-03-27T19:07:02+08:00", "utc": "2025-03-27T11:07:02Z", "ms": 1743073622151.3345 }, "end": { "local": "2025-03-27T20:40:27+08:00", "utc": "2025-03-27T12:40:27Z", "ms": 1743079227460.4465 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:13 on Thu 27 Mar to 01:34 on Fri 28 Mar.", "fact": "2025-03-26T20:13:18Z → 2025-03-27T17:33:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:40 on the 26th, 19:07–20:40 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 26th and 93 of 93 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17607 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Thursday 27 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": "2025-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-27", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Thursday 27 March. Trayodaśī runs from 04:13 on Thu 27 Mar to 01:34 on Fri 28 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-03-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-27", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 753, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-03-28T01:33:55+08:00", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "end": { "local": "2025-03-28T22:25:45+08:00", "utc": "2025-03-28T14:25:45Z", "ms": 1743171944924.6125 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-28T01:33:55+08:00", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "end": { "local": "2025-03-28T22:25:45+08:00", "utc": "2025-03-28T14:25:45Z", "ms": 1743171944924.6125 } }, "kaala": "nishita", "days": [ { "local_date": "2025-03-27", "window": { "start": { "local": "2025-03-28T00:33:22+08:00", "utc": "2025-03-27T16:33:22Z", "ms": 1743093202060.5044 }, "end": { "local": "2025-03-28T01:21:22+08:00", "utc": "2025-03-27T17:21:22Z", "ms": 1743096082060.5044 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-03-28", "window": { "start": { "local": "2025-03-29T00:33:04+08:00", "utc": "2025-03-28T16:33:04Z", "ms": 1743179584095.2065 }, "end": { "local": "2025-03-29T01:21:04+08:00", "utc": "2025-03-28T17:21:04Z", "ms": 1743182464095.2065 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:34 on Fri 28 Mar to 22:26 on Fri 28 Mar.", "fact": "2025-03-27T17:33:55Z → 2025-03-28T14:25:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 27th, 00:33–01:21 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 753 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Thursday 27 March.", "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": "2025-03-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-27", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Thursday 27 March. Caturdaśī runs from 01:34 on Fri 28 Mar to 22:26 on Fri 28 Mar, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7127, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-03-29T18:57:50+08:00", "utc": "2025-03-29T10:57:50Z", "ms": 1743245869919.1665 }, "end": { "local": "2025-03-30T15:19:49+08:00", "utc": "2025-03-30T07:19:49Z", "ms": 1743319188633.197 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-29T18:57:50+08:00", "utc": "2025-03-29T10:57:50Z", "ms": 1743245869919.1665 }, "end": { "local": "2025-03-30T15:19:49+08:00", "utc": "2025-03-30T07:19:49Z", "ms": 1743319188633.197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-29", "window": { "start": { "local": "2025-03-29T12:33:20+08:00", "utc": "2025-03-29T04:33:20Z", "ms": 1743222799812.1082 }, "end": { "local": "2025-03-29T13:21:20+08:00", "utc": "2025-03-29T05:21:20Z", "ms": 1743225679812.1082 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-03-30", "window": { "start": { "local": "2025-03-30T12:33:02+08:00", "utc": "2025-03-30T04:33:02Z", "ms": 1743309181887.1968 }, "end": { "local": "2025-03-30T13:21:02+08:00", "utc": "2025-03-30T05:21:02Z", "ms": 1743312061887.1968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:58 on Sat 29 Mar to 15:20 on Sun 30 Mar.", "fact": "2025-03-29T10:57:50Z → 2025-03-30T07:19:49Z" }, { "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": "Pratipadā 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7127 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Zunyi, 2025: Sunday 30 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": "2025-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-30", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Caitra) (Chaitra Navratri) 2025 falls on Sunday 30 March. Pratipadā runs from 18:58 on Sat 29 Mar to 15:20 on Sun 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3071, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-03-31T11:41:33+08:00", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-31T11:41:33+08:00", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-31", "window": { "start": { "local": "2025-03-31T12:32:44+08:00", "utc": "2025-03-31T04:32:44Z", "ms": 1743395564031.363 }, "end": { "local": "2025-03-31T13:20:44+08:00", "utc": "2025-03-31T05:20:44Z", "ms": 1743398444031.363 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:32:26+08:00", "utc": "2025-04-01T04:32:26Z", "ms": 1743481946259.2231 }, "end": { "local": "2025-04-01T13:20:26+08:00", "utc": "2025-04-01T05:20:26Z", "ms": 1743484826259.2231 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:42 on Mon 31 Mar to 08:13 on Tue 1 Apr.", "fact": "2025-03-31T03:41:33Z → 2025-04-01T00:12:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 31st, 12:32–13:20 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3071 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Zunyi, 2025: Monday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-31", "confidence": "boundary" } ], "quote": "In Zunyi, Gaurī Tṛtīyā (Gangaur) 2025 falls on Monday 31 March. Tṛtīyā runs from 11:42 on Mon 31 Mar to 08:13 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3071, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-03-31T11:41:33+08:00", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-31T11:41:33+08:00", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-31", "window": { "start": { "local": "2025-03-31T12:32:44+08:00", "utc": "2025-03-31T04:32:44Z", "ms": 1743395564031.363 }, "end": { "local": "2025-03-31T13:20:44+08:00", "utc": "2025-03-31T05:20:44Z", "ms": 1743398444031.363 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:32:26+08:00", "utc": "2025-04-01T04:32:26Z", "ms": 1743481946259.2231 }, "end": { "local": "2025-04-01T13:20:26+08:00", "utc": "2025-04-01T05:20:26Z", "ms": 1743484826259.2231 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:42 on Mon 31 Mar to 08:13 on Tue 1 Apr.", "fact": "2025-03-31T03:41:33Z → 2025-04-01T00:12:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 31st, 12:32–13:20 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3071 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Zunyi, 2025: Monday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-31", "confidence": "boundary" } ], "quote": "In Zunyi, Saubhāgya Śayana Vrata 2025 falls on Monday 31 March. Tṛtīyā runs from 11:42 on Mon 31 Mar to 08:13 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-04-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15577, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "end": { "local": "2025-04-02T05:02:54+08:00", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-01T08:12:49+08:00", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "end": { "local": "2025-04-02T05:02:54+08:00", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:32:26+08:00", "utc": "2025-04-01T04:32:26Z", "ms": 1743481946259.2231 }, "end": { "local": "2025-04-01T13:20:26+08:00", "utc": "2025-04-01T05:20:26Z", "ms": 1743484826259.2231 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-02", "window": { "start": { "local": "2025-04-02T12:32:09+08:00", "utc": "2025-04-02T04:32:09Z", "ms": 1743568328585.859 }, "end": { "local": "2025-04-02T13:20:09+08:00", "utc": "2025-04-02T05:20:09Z", "ms": 1743571208585.859 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:13 on Tue 1 Apr to 05:03 on Wed 2 Apr.", "fact": "2025-04-01T00:12:49Z → 2025-04-01T21:02:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 1st, 12:32–13:20 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15577 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Tuesday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Tuesday 1 April. Caturthī runs from 08:13 on Tue 1 Apr to 05:03 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26955, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-04-02T05:02:54+08:00", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "end": { "local": "2025-04-03T02:20:14+08:00", "utc": "2025-04-02T18:20:14Z", "ms": 1743618013631.3752 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-02T05:02:54+08:00", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "end": { "local": "2025-04-03T02:20:14+08:00", "utc": "2025-04-02T18:20:14Z", "ms": 1743618013631.3752 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-02", "window": { "start": { "local": "2025-04-02T12:32:09+08:00", "utc": "2025-04-02T04:32:09Z", "ms": 1743568328585.859 }, "end": { "local": "2025-04-02T13:20:09+08:00", "utc": "2025-04-02T05:20:09Z", "ms": 1743571208585.859 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-03", "window": { "start": { "local": "2025-04-03T12:31:51+08:00", "utc": "2025-04-03T04:31:51Z", "ms": 1743654711027.2231 }, "end": { "local": "2025-04-03T13:19:51+08:00", "utc": "2025-04-03T05:19:51Z", "ms": 1743657591027.2231 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:03 on Wed 2 Apr to 02:20 on Thu 3 Apr.", "fact": "2025-04-01T21:02:54Z → 2025-04-02T18:20:14Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26955 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Zunyi, 2025: Wednesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-02", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pañcamī 2025 falls on Wednesday 2 April. Pañcamī runs from 05:03 on Wed 2 Apr to 02:20 on Thu 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31063, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-04-04T22:43:11+08:00", "utc": "2025-04-04T14:43:11Z", "ms": 1743777790957.0667 }, "end": { "local": "2025-04-05T21:56:59+08:00", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-04T22:43:11+08:00", "utc": "2025-04-04T14:43:11Z", "ms": 1743777790957.0667 }, "end": { "local": "2025-04-05T21:56:59+08:00", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-04", "window": { "start": { "local": "2025-04-04T12:31:34+08:00", "utc": "2025-04-04T04:31:34Z", "ms": 1743741093600.1904 }, "end": { "local": "2025-04-04T13:19:34+08:00", "utc": "2025-04-04T05:19:34Z", "ms": 1743743973600.1904 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-05", "window": { "start": { "local": "2025-04-05T12:31:16+08:00", "utc": "2025-04-05T04:31:16Z", "ms": 1743827476322.5366 }, "end": { "local": "2025-04-05T13:19:16+08:00", "utc": "2025-04-05T05:19:16Z", "ms": 1743830356322.5366 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:43 on Fri 4 Apr to 21:57 on Sat 5 Apr.", "fact": "2025-04-04T14:43:11Z → 2025-04-05T13:56:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 4th, 12:31–13:19 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31063 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Zunyi, 2025: Saturday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-05", "confidence": "determinate" } ], "quote": "In Zunyi, Bhavānī Utpatti 2025 falls on Saturday 5 April. Aṣṭamī runs from 22:43 on Fri 4 Apr to 21:57 on Sat 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30876, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-04-05T21:56:59+08:00", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "end": { "local": "2025-04-06T21:53:35+08:00", "utc": "2025-04-06T13:53:35Z", "ms": 1743947615031.1277 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-05T21:56:59+08:00", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "end": { "local": "2025-04-06T21:53:35+08:00", "utc": "2025-04-06T13:53:35Z", "ms": 1743947615031.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-05", "window": { "start": { "local": "2025-04-05T12:31:16+08:00", "utc": "2025-04-05T04:31:16Z", "ms": 1743827476322.5366 }, "end": { "local": "2025-04-05T13:19:16+08:00", "utc": "2025-04-05T05:19:16Z", "ms": 1743830356322.5366 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-06", "window": { "start": { "local": "2025-04-06T12:30:59+08:00", "utc": "2025-04-06T04:30:59Z", "ms": 1743913859212.7717 }, "end": { "local": "2025-04-06T13:18:59+08:00", "utc": "2025-04-06T05:18:59Z", "ms": 1743916739212.7717 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:57 on Sat 5 Apr to 21:54 on Sun 6 Apr.", "fact": "2025-04-05T13:56:59Z → 2025-04-06T13:53:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 5th, 12:31–13:19 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30876 s" }, { "step": "ruling", "text": "Rāma Navamī, Zunyi, 2025: Sunday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-06", "confidence": "determinate" } ], "quote": "In Zunyi, Rāma Navamī 2025 falls on Sunday 6 April. Navamī runs from 21:57 on Sat 5 Apr to 21:54 on Sun 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-04-08", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24657, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-04-07T22:30:38+08:00", "utc": "2025-04-07T14:30:38Z", "ms": 1744036237885.8823 }, "end": { "local": "2025-04-08T23:43:30+08:00", "utc": "2025-04-08T15:43:30Z", "ms": 1744127009925.3682 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-07T22:30:38+08:00", "utc": "2025-04-07T14:30:38Z", "ms": 1744036237885.8823 }, "end": { "local": "2025-04-08T23:43:30+08:00", "utc": "2025-04-08T15:43:30Z", "ms": 1744127009925.3682 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-04-08", "window": { "start": { "local": "2025-04-08T06:35:32+08:00", "utc": "2025-04-07T22:35:32Z", "ms": 1744065331813.41 }, "end": { "local": "2025-04-08T06:35:32+08:00", "utc": "2025-04-07T22:35:32Z", "ms": 1744065331813.41 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-04-09", "window": { "start": { "local": "2025-04-09T06:34:27+08:00", "utc": "2025-04-08T22:34:27Z", "ms": 1744151667217.2095 }, "end": { "local": "2025-04-09T06:34:27+08:00", "utc": "2025-04-08T22:34:27Z", "ms": 1744151667217.2095 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:31 on Mon 7 Apr to 23:43 on Tue 8 Apr.", "fact": "2025-04-07T14:30:38Z → 2025-04-08T15:43:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 8th and 06:34 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24657 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Zunyi, 2025: Tuesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-08", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmadā Ekādaśī 2025 falls on Tuesday 8 April. Ekādaśī runs from 22:31 on Mon 7 Apr to 23:43 on Tue 8 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32306, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-10T01:26:00+08:00", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-10T01:26:00+08:00", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-10", "window": { "start": { "local": "2025-04-10T12:29:53+08:00", "utc": "2025-04-10T04:29:53Z", "ms": 1744259392837.6787 }, "end": { "local": "2025-04-10T13:17:53+08:00", "utc": "2025-04-10T05:17:53Z", "ms": 1744262272837.6787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-11", "window": { "start": { "local": "2025-04-11T12:29:37+08:00", "utc": "2025-04-11T04:29:37Z", "ms": 1744345776857.6868 }, "end": { "local": "2025-04-11T13:17:37+08:00", "utc": "2025-04-11T05:17:37Z", "ms": 1744348656857.6868 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:26 on Thu 10 Apr to 03:31 on Fri 11 Apr.", "fact": "2025-04-09T17:26:00Z → 2025-04-10T19:31:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 10th, 12:30–13:18 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32306 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Zunyi, 2025: Thursday 10 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": "2025-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-10", "confidence": "determinate" } ], "quote": "In Zunyi, Anaṅga Trayodaśī 2025 falls on Thursday 10 April. Trayodaśī runs from 01:26 on Thu 10 Apr to 03:31 on Fri 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-04-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16892, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-10T01:26:00+08:00", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-10T01:26:00+08:00", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-09", "window": { "start": { "local": "2025-04-09T19:13:51+08:00", "utc": "2025-04-09T11:13:51Z", "ms": 1744197230948.359 }, "end": { "local": "2025-04-09T20:44:27+08:00", "utc": "2025-04-09T12:44:27Z", "ms": 1744202667226.6086 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2025-04-10", "window": { "start": { "local": "2025-04-10T19:14:23+08:00", "utc": "2025-04-10T11:14:23Z", "ms": 1744283662640.126 }, "end": { "local": "2025-04-10T20:44:46+08:00", "utc": "2025-04-10T12:44:46Z", "ms": 1744289086194.1492 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:26 on Thu 10 Apr to 03:31 on Fri 11 Apr.", "fact": "2025-04-09T17:26:00Z → 2025-04-10T19:31:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:44 on the 9th, 19:14–20:45 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 9th and 90 of 90 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16892 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Thursday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-10", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Thursday 10 April. Trayodaśī runs from 01:26 on Thu 10 Apr to 03:31 on Fri 11 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23834, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "end": { "local": "2025-04-12T05:52:07+08:00", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-11T03:31:11+08:00", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "end": { "local": "2025-04-12T05:52:07+08:00", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-11", "window": { "start": { "local": "2025-04-11T12:29:37+08:00", "utc": "2025-04-11T04:29:37Z", "ms": 1744345776857.6868 }, "end": { "local": "2025-04-11T13:17:37+08:00", "utc": "2025-04-11T05:17:37Z", "ms": 1744348656857.6868 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-12", "window": { "start": { "local": "2025-04-12T12:29:21+08:00", "utc": "2025-04-12T04:29:21Z", "ms": 1744432161162.2456 }, "end": { "local": "2025-04-12T13:17:21+08:00", "utc": "2025-04-12T05:17:21Z", "ms": 1744435041162.2456 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:31 on Fri 11 Apr to 05:52 on Sat 12 Apr.", "fact": "2025-04-10T19:31:11Z → 2025-04-11T21:52:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 11th, 12:29–13:17 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23834 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Zunyi, 2025: Friday 11 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": "2025-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-11", "confidence": "determinate" } ], "quote": "In Zunyi, Viṣṇudamanaka Caturdaśī 2025 falls on Friday 11 April. Caturdaśī runs from 03:31 on Fri 11 Apr to 05:52 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14810, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-04-12T05:52:07+08:00", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "end": { "local": "2025-04-13T08:22:16+08:00", "utc": "2025-04-13T00:22:16Z", "ms": 1744503735620.1453 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-12T05:52:07+08:00", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "end": { "local": "2025-04-13T08:22:16+08:00", "utc": "2025-04-13T00:22:16Z", "ms": 1744503735620.1453 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-12", "window": { "start": { "local": "2025-04-12T12:29:21+08:00", "utc": "2025-04-12T04:29:21Z", "ms": 1744432161162.2456 }, "end": { "local": "2025-04-12T13:17:21+08:00", "utc": "2025-04-12T05:17:21Z", "ms": 1744435041162.2456 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-13", "window": { "start": { "local": "2025-04-13T12:29:06+08:00", "utc": "2025-04-13T04:29:06Z", "ms": 1744518545770.555 }, "end": { "local": "2025-04-13T13:17:06+08:00", "utc": "2025-04-13T05:17:06Z", "ms": 1744521425770.555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:52 on Sat 12 Apr to 08:22 on Sun 13 Apr.", "fact": "2025-04-11T21:52:07Z → 2025-04-13T00:22:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 12th, 12:29–13:17 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14810 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Zunyi, 2025: Saturday 12 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": "2025-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-12", "confidence": "determinate" } ], "quote": "In Zunyi, Caitrī Pūrṇimā 2025 falls on Saturday 12 April. Pūrṇimā runs from 05:52 on Sat 12 Apr to 08:22 on Sun 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2266, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2025-04-14T05:51:25+08:00", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 }, "end": { "local": "2025-05-15T02:42:01+08:00", "utc": "2025-05-14T18:42:01Z", "ms": 1747248121302.0796 } }, "span": { "of": "transit", "start": { "local": "2025-04-14T05:51:25+08:00", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 }, "end": { "local": "2025-04-14T05:51:25+08:00", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 } }, "kaala": "day", "days": [ { "local_date": "2025-04-13", "window": { "start": { "local": "2025-04-13T06:30:13+08:00", "utc": "2025-04-12T22:30:13Z", "ms": 1744497013252.869 }, "end": { "local": "2025-04-14T06:29:11+08:00", "utc": "2025-04-13T22:29:11Z", "ms": 1744583351005.9465 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2025-04-14", "window": { "start": { "local": "2025-04-14T06:29:11+08:00", "utc": "2025-04-13T22:29:11Z", "ms": 1744583351005.9465 }, "end": { "local": "2025-04-15T06:28:09+08:00", "utc": "2025-04-14T22:28:09Z", "ms": 1744669689312.167 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 05:51 on Mon 14 Apr.", "fact": "2025-04-13T21:51:25Z · 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 2266 s" }, { "step": "ruling", "text": "Vaiśākhī, Zunyi, 2025: Sunday 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": "2025-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-04-14", "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": "2025-04-14", "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 2025 falls on Sunday 13 April. The Sun enters Meṣa at 05:51 on Mon 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/2025/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/2025/sankashta-chaturthi?on=2025-04-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19742, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-16T15:47:37+08:00", "utc": "2025-04-16T07:47:37Z", "ms": 1744789657495.8057 }, "end": { "local": "2025-04-17T17:53:54+08:00", "utc": "2025-04-17T09:53:54Z", "ms": 1744883634443.463 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-16T15:47:37+08:00", "utc": "2025-04-16T07:47:37Z", "ms": 1744789657495.8057 }, "end": { "local": "2025-04-17T17:53:54+08:00", "utc": "2025-04-17T09:53:54Z", "ms": 1744883634443.463 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-04-16", "window": { "start": { "local": "2025-04-16T22:26:09+08:00", "utc": "2025-04-16T14:26:09Z", "ms": 1744813568524.1836 }, "end": { "local": "2025-04-16T22:26:09+08:00", "utc": "2025-04-16T14:26:09Z", "ms": 1744813568524.1836 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-04-17", "window": { "start": { "local": "2025-04-17T23:22:56+08:00", "utc": "2025-04-17T15:22:56Z", "ms": 1744903376296.9111 }, "end": { "local": "2025-04-17T23:22:56+08:00", "utc": "2025-04-17T15:22:56Z", "ms": 1744903376296.9111 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:48 on Wed 16 Apr to 17:54 on Thu 17 Apr.", "fact": "2025-04-16T07:47:37Z → 2025-04-17T09:53:54Z" }, { "step": "kaala", "text": "Moonrise is at 22:26 on the 16th and 23:23 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19742 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Wednesday 16 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": "2025-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-16", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Wednesday 16 April. Caturthī runs from 15:48 on Wed 16 Apr to 17:54 on Thu 17 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-04-16", "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/2025/ekadashi?on=2025-04-24", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38602, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-04-23T19:13:50+08:00", "utc": "2025-04-23T11:13:50Z", "ms": 1745406829564.5662 }, "end": { "local": "2025-04-24T17:02:45+08:00", "utc": "2025-04-24T09:02:45Z", "ms": 1745485365016.161 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-23T19:13:50+08:00", "utc": "2025-04-23T11:13:50Z", "ms": 1745406829564.5662 }, "end": { "local": "2025-04-24T17:02:45+08:00", "utc": "2025-04-24T09:02:45Z", "ms": 1745485365016.161 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-04-23", "window": { "start": { "local": "2025-04-23T06:20:19+08:00", "utc": "2025-04-22T22:20:19Z", "ms": 1745360418948.622 }, "end": { "local": "2025-04-23T06:20:19+08:00", "utc": "2025-04-22T22:20:19Z", "ms": 1745360418948.622 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-04-24", "window": { "start": { "local": "2025-04-24T06:19:23+08:00", "utc": "2025-04-23T22:19:23Z", "ms": 1745446763449.5212 }, "end": { "local": "2025-04-24T06:19:23+08:00", "utc": "2025-04-23T22:19:23Z", "ms": 1745446763449.5212 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:14 on Wed 23 Apr to 17:03 on Thu 24 Apr.", "fact": "2025-04-23T11:13:50Z → 2025-04-24T09:02:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 23rd and 06:19 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38602 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Zunyi, 2025: Thursday 24 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": "2025-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-24", "confidence": "determinate" } ], "quote": "In Zunyi, Varūthinī Ekādaśī 2025 falls on Thursday 24 April. Ekādaśī runs from 19:14 on Wed 23 Apr to 17:03 on Thu 24 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-04-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18442, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-25T14:15:11+08:00", "utc": "2025-04-25T06:15:11Z", "ms": 1745561711345.4272 }, "end": { "local": "2025-04-26T10:58:09+08:00", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-25T14:15:11+08:00", "utc": "2025-04-25T06:15:11Z", "ms": 1745561711345.4272 }, "end": { "local": "2025-04-26T10:58:09+08:00", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-25", "window": { "start": { "local": "2025-04-25T19:22:33+08:00", "utc": "2025-04-25T11:22:33Z", "ms": 1745580153427.6147 }, "end": { "local": "2025-04-25T20:49:54+08:00", "utc": "2025-04-25T12:49:54Z", "ms": 1745585393626.8584 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2025-04-26", "window": { "start": { "local": "2025-04-26T19:23:07+08:00", "utc": "2025-04-26T11:23:07Z", "ms": 1745666587383.9739 }, "end": { "local": "2025-04-26T20:50:16+08:00", "utc": "2025-04-26T12:50:16Z", "ms": 1745671815990.972 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:15 on Fri 25 Apr to 10:58 on Sat 26 Apr.", "fact": "2025-04-25T06:15:11Z → 2025-04-26T02:58:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:50 on the 25th, 19:23–20:50 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 25th and 0 of 87 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18442 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Friday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-25", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Friday 25 April. Trayodaśī runs from 14:15 on Fri 25 Apr to 10:58 on Sat 26 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-04-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21979, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-04-26T10:58:09+08:00", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "end": { "local": "2025-04-27T07:20:14+08:00", "utc": "2025-04-26T23:20:14Z", "ms": 1745709613939.135 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-26T10:58:09+08:00", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "end": { "local": "2025-04-27T07:20:14+08:00", "utc": "2025-04-26T23:20:14Z", "ms": 1745709613939.135 } }, "kaala": "nishita", "days": [ { "local_date": "2025-04-25", "window": { "start": { "local": "2025-04-26T00:26:04+08:00", "utc": "2025-04-25T16:26:04Z", "ms": 1745598364174.7783 }, "end": { "local": "2025-04-26T01:14:04+08:00", "utc": "2025-04-25T17:14:04Z", "ms": 1745601244174.7783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-26", "window": { "start": { "local": "2025-04-27T00:25:55+08:00", "utc": "2025-04-26T16:25:55Z", "ms": 1745684754660.2163 }, "end": { "local": "2025-04-27T01:13:55+08:00", "utc": "2025-04-26T17:13:55Z", "ms": 1745687634660.2163 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:58 on Sat 26 Apr to 07:20 on Sun 27 Apr.", "fact": "2025-04-26T02:58:09Z → 2025-04-26T23:20:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 25th, 00:26–01:14 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21979 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Saturday 26 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": "2025-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-26", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Saturday 26 April. Caturdaśī runs from 10:58 on Sat 26 Apr to 07:20 on Sun 27 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2205, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-04-29T20:01:35+08:00", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-29T20:01:35+08:00", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-29", "window": { "start": { "local": "2025-04-29T19:24:50+08:00", "utc": "2025-04-29T11:24:50Z", "ms": 1745925890074.774 }, "end": { "local": "2025-04-29T20:51:25+08:00", "utc": "2025-04-29T12:51:25Z", "ms": 1745931084507.8982 } }, "covered_min": 50, "window_min": 87, "qualifies": true }, { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T19:25:25+08:00", "utc": "2025-04-30T11:25:25Z", "ms": 1746012324541.3845 }, "end": { "local": "2025-04-30T20:51:48+08:00", "utc": "2025-04-30T12:51:48Z", "ms": 1746017507797.2378 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:02 on Tue 29 Apr to 16:42 on Wed 30 Apr.", "fact": "2025-04-29T12:01:35Z → 2025-04-30T08:42:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:51 on the 29th, 19:25–20:52 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 50 of 87 minutes on the 29th and 0 of 86 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2205 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Zunyi, 2025: Tuesday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-29", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Jayantī 2025 falls on Tuesday 29 April. Tṛtīyā runs from 20:02 on Tue 29 Apr to 16:42 on Wed 30 Apr and covers 50 of 87 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21876, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-04-29T20:01:35+08:00", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-29T20:01:35+08:00", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-04-29", "window": { "start": { "local": "2025-04-29T06:14:59+08:00", "utc": "2025-04-28T22:14:59Z", "ms": 1745878498618.9685 }, "end": { "local": "2025-04-29T10:38:16+08:00", "utc": "2025-04-29T02:38:16Z", "ms": 1745894295770.9036 } }, "covered_min": 0, "window_min": 263, "qualifies": false }, { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T06:14:08+08:00", "utc": "2025-04-29T22:14:08Z", "ms": 1745964848323.2068 }, "end": { "local": "2025-04-30T10:37:54+08:00", "utc": "2025-04-30T02:37:54Z", "ms": 1745980673729.266 } }, "covered_min": 264, "window_min": 264, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 20:02 on Tue 29 Apr to 16:42 on Wed 30 Apr.", "fact": "2025-04-29T12:01:35Z → 2025-04-30T08:42:30Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:15–10:38 on the 29th, 06:14–10:38 on the 30th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 263 minutes on the 29th and 264 of 264 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21876 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Zunyi, 2025: Wednesday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-30", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Tṛtīyā 2025 falls on Wednesday 30 April. Tṛtīyā runs from 20:02 on Tue 29 Apr to 16:42 on Wed 30 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-05-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2428, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "end": { "local": "2025-05-01T13:54:07+08:00", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-30T16:42:30+08:00", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "end": { "local": "2025-05-01T13:54:07+08:00", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T12:25:46+08:00", "utc": "2025-04-30T04:25:46Z", "ms": 1745987146432.2957 }, "end": { "local": "2025-04-30T13:13:46+08:00", "utc": "2025-04-30T05:13:46Z", "ms": 1745990026432.2957 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-01", "window": { "start": { "local": "2025-05-01T12:25:39+08:00", "utc": "2025-05-01T04:25:39Z", "ms": 1746073539032.9893 }, "end": { "local": "2025-05-01T13:13:39+08:00", "utc": "2025-05-01T05:13:39Z", "ms": 1746076419032.9893 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:42 on Wed 30 Apr to 13:54 on Thu 1 May.", "fact": "2025-04-30T08:42:30Z → 2025-05-01T05:54:07Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2428 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Thursday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Thursday 1 May. Caturthī runs from 16:42 on Wed 30 Apr to 13:54 on Thu 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-05-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2420, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-05-01T13:54:07+08:00", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "end": { "local": "2025-05-02T11:45:12+08:00", "utc": "2025-05-02T03:45:12Z", "ms": 1746157511743.4177 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-01T13:54:07+08:00", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "end": { "local": "2025-05-02T11:45:12+08:00", "utc": "2025-05-02T03:45:12Z", "ms": 1746157511743.4177 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-01", "window": { "start": { "local": "2025-05-01T12:25:39+08:00", "utc": "2025-05-01T04:25:39Z", "ms": 1746073539032.9893 }, "end": { "local": "2025-05-01T13:13:39+08:00", "utc": "2025-05-01T05:13:39Z", "ms": 1746076419032.9893 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-02", "window": { "start": { "local": "2025-05-02T12:25:32+08:00", "utc": "2025-05-02T04:25:32Z", "ms": 1746159932152.2778 }, "end": { "local": "2025-05-02T13:13:32+08:00", "utc": "2025-05-02T05:13:32Z", "ms": 1746162812152.2778 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:54 on Thu 1 May to 11:45 on Fri 2 May.", "fact": "2025-05-01T05:54:07Z → 2025-05-02T03:45:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 1st, 12:26–13:14 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 2420 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Zunyi, 2025: Friday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-02", "confidence": "boundary" } ], "quote": "In Zunyi, Śaṅkara Jayantī 2025 falls on Friday 2 May. Pañcamī runs from 13:54 on Thu 1 May to 11:45 on Fri 2 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7383, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-05-03T10:22:23+08:00", "utc": "2025-05-03T02:22:23Z", "ms": 1746238943128.5068 }, "end": { "local": "2025-05-04T09:49:24+08:00", "utc": "2025-05-04T01:49:24Z", "ms": 1746323364037.116 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-03T10:22:23+08:00", "utc": "2025-05-03T02:22:23Z", "ms": 1746238943128.5068 }, "end": { "local": "2025-05-04T09:49:24+08:00", "utc": "2025-05-04T01:49:24Z", "ms": 1746323364037.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-03", "window": { "start": { "local": "2025-05-03T12:25:26+08:00", "utc": "2025-05-03T04:25:26Z", "ms": 1746246325794.3857 }, "end": { "local": "2025-05-03T13:13:26+08:00", "utc": "2025-05-03T05:13:26Z", "ms": 1746249205794.3857 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-04", "window": { "start": { "local": "2025-05-04T12:25:20+08:00", "utc": "2025-05-04T04:25:20Z", "ms": 1746332719963.96 }, "end": { "local": "2025-05-04T13:13:20+08:00", "utc": "2025-05-04T05:13:20Z", "ms": 1746335599963.96 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:22 on Sat 3 May to 09:49 on Sun 4 May.", "fact": "2025-05-03T02:22:23Z → 2025-05-04T01:49:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 3rd, 12:25–13:13 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7383 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Zunyi, 2025: Saturday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-03", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṅgotpatti (Ganga Saptami) 2025 falls on Saturday 3 May. Saptamī runs from 10:22 on Sat 3 May to 09:49 on Sun 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-05-08", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24093, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-05-07T12:50:16+08:00", "utc": "2025-05-07T04:50:16Z", "ms": 1746593416386.5564 }, "end": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-07T12:50:16+08:00", "utc": "2025-05-07T04:50:16Z", "ms": 1746593416386.5564 }, "end": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-05-07", "window": { "start": { "local": "2025-05-07T06:08:43+08:00", "utc": "2025-05-06T22:08:43Z", "ms": 1746569323461.0132 }, "end": { "local": "2025-05-07T06:08:43+08:00", "utc": "2025-05-06T22:08:43Z", "ms": 1746569323461.0132 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T06:08:01+08:00", "utc": "2025-05-07T22:08:01Z", "ms": 1746655681179.058 }, "end": { "local": "2025-05-08T06:08:01+08:00", "utc": "2025-05-07T22:08:01Z", "ms": 1746655681179.058 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:50 on Wed 7 May to 15:00 on Thu 8 May.", "fact": "2025-05-07T04:50:16Z → 2025-05-08T06:59:48Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 7th and 06:08 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24093 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Zunyi, 2025: Thursday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-08", "confidence": "determinate" } ], "quote": "In Zunyi, Mohinī Ekādaśī 2025 falls on Thursday 8 May. Ekādaśī runs from 12:50 on Wed 7 May to 15:00 on Thu 8 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-05-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6406, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T12:25:02+08:00", "utc": "2025-05-08T04:25:02Z", "ms": 1746678302017.0898 }, "end": { "local": "2025-05-08T13:13:02+08:00", "utc": "2025-05-08T05:13:02Z", "ms": 1746681182017.0898 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T12:24:59+08:00", "utc": "2025-05-09T04:24:59Z", "ms": 1746764698898.3413 }, "end": { "local": "2025-05-09T13:12:59+08:00", "utc": "2025-05-09T05:12:59Z", "ms": 1746767578898.3413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:00 on Thu 8 May to 17:27 on Fri 9 May.", "fact": "2025-05-08T06:59:48Z → 2025-05-09T09:26:39Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6406 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Zunyi, 2025: Friday 9 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": "2025-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-09", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Dvādaśī 2025 falls on Friday 9 May. Dvādaśī runs from 15:00 on Thu 8 May to 17:27 on Fri 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6406, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-08T14:59:48+08:00", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T12:25:02+08:00", "utc": "2025-05-08T04:25:02Z", "ms": 1746678302017.0898 }, "end": { "local": "2025-05-08T13:13:02+08:00", "utc": "2025-05-08T05:13:02Z", "ms": 1746681182017.0898 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T12:24:59+08:00", "utc": "2025-05-09T04:24:59Z", "ms": 1746764698898.3413 }, "end": { "local": "2025-05-09T13:12:59+08:00", "utc": "2025-05-09T05:12:59Z", "ms": 1746767578898.3413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:00 on Thu 8 May to 17:27 on Fri 9 May.", "fact": "2025-05-08T06:59:48Z → 2025-05-09T09:26:39Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6406 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Zunyi, 2025: Friday 9 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": "2025-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-09", "confidence": "determinate" } ], "quote": "In Zunyi, Rukmiṇī Dvādaśī 2025 falls on Friday 9 May. Dvādaśī runs from 15:00 on Thu 8 May to 17:27 on Fri 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-05-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1753, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "end": { "local": "2025-05-10T20:00:26+08:00", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-09T17:26:39+08:00", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "end": { "local": "2025-05-10T20:00:26+08:00", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T19:30:38+08:00", "utc": "2025-05-09T11:30:38Z", "ms": 1746790237807.5166 }, "end": { "local": "2025-05-09T20:55:26+08:00", "utc": "2025-05-09T12:55:26Z", "ms": 1746795326087.97 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2025-05-10", "window": { "start": { "local": "2025-05-10T19:31:13+08:00", "utc": "2025-05-10T11:31:13Z", "ms": 1746876672759.9707 }, "end": { "local": "2025-05-10T20:55:51+08:00", "utc": "2025-05-10T12:55:51Z", "ms": 1746881751187.1133 } }, "covered_min": 29, "window_min": 85, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:27 on Fri 9 May to 20:00 on Sat 10 May.", "fact": "2025-05-09T09:26:39Z → 2025-05-10T12:00:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:55 on the 9th, 19:31–20:56 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 9th and 29 of 85 on the 10th.", "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 1753 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Friday 9 May.", "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": "2025-05-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-09", "confidence": "boundary" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Friday 9 May. Trayodaśī runs from 17:27 on Fri 9 May to 20:00 on Sat 10 May and covers all of pradoṣa that evening. It also reaches the next evening for 29 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/2025/pradosha-vrata?on=2025-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1753, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-05-10T20:00:26+08:00", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "end": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-10T20:00:26+08:00", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "end": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-10", "window": { "start": { "local": "2025-05-10T19:31:13+08:00", "utc": "2025-05-10T11:31:13Z", "ms": 1746876672759.9707 }, "end": { "local": "2025-05-10T20:55:51+08:00", "utc": "2025-05-10T12:55:51Z", "ms": 1746881751187.1133 } }, "covered_min": 55, "window_min": 85, "qualifies": true }, { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T19:31:48+08:00", "utc": "2025-05-11T11:31:48Z", "ms": 1746963107700.3735 }, "end": { "local": "2025-05-11T20:56:16+08:00", "utc": "2025-05-11T12:56:16Z", "ms": 1746968176429.1096 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:00 on Sat 10 May to 22:32 on Sun 11 May.", "fact": "2025-05-10T12:00:26Z → 2025-05-11T14:32:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:31–20:56 on the 10th, 19:32–20:56 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 55 of 85 minutes on the 10th and 84 of 84 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1753 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Zunyi, 2025: Sunday 11 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": "2025-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-11", "confidence": "determinate" } ], "quote": "In Zunyi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2025 falls on Sunday 11 May. Caturdaśī runs from 20:00 on Sat 10 May to 22:32 on Sun 11 May and covers all of pradoṣa that evening. It also reaches the previous evening for 55 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33570, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-13T00:55:56+08:00", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-13T00:55:56+08:00", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T12:24:54+08:00", "utc": "2025-05-11T04:24:54Z", "ms": 1746937494331.957 }, "end": { "local": "2025-05-11T13:12:54+08:00", "utc": "2025-05-11T05:12:54Z", "ms": 1746940374331.957 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-12", "window": { "start": { "local": "2025-05-12T12:24:53+08:00", "utc": "2025-05-12T04:24:53Z", "ms": 1747023892890.9011 }, "end": { "local": "2025-05-12T13:12:53+08:00", "utc": "2025-05-12T05:12:53Z", "ms": 1747026772890.9011 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:32 on Sun 11 May to 00:56 on Tue 13 May.", "fact": "2025-05-11T14:32:25Z → 2025-05-12T16:55:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 11th, 12:25–13:13 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33570 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Zunyi, 2025: Monday 12 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": "2025-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-12", "confidence": "determinate" } ], "quote": "In Zunyi, Buddha Pūrṇimā 2025 falls on Monday 12 May. Pūrṇimā runs from 22:32 on Sun 11 May to 00:56 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33570, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-13T00:55:56+08:00", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-11T22:32:25+08:00", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-13T00:55:56+08:00", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T12:24:54+08:00", "utc": "2025-05-11T04:24:54Z", "ms": 1746937494331.957 }, "end": { "local": "2025-05-11T13:12:54+08:00", "utc": "2025-05-11T05:12:54Z", "ms": 1746940374331.957 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-12", "window": { "start": { "local": "2025-05-12T12:24:53+08:00", "utc": "2025-05-12T04:24:53Z", "ms": 1747023892890.9011 }, "end": { "local": "2025-05-12T13:12:53+08:00", "utc": "2025-05-12T05:12:53Z", "ms": 1747026772890.9011 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:32 on Sun 11 May to 00:56 on Tue 13 May.", "fact": "2025-05-11T14:32:25Z → 2025-05-12T16:55:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 11th, 12:25–13:13 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33570 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Zunyi, 2025: Monday 12 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": "2025-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-12", "confidence": "determinate" } ], "quote": "In Zunyi, Sampat Gaurī Vrata 2025 falls on Monday 12 May. Pūrṇimā runs from 22:32 on Sun 11 May to 00:56 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-05-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30020, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-05-16T06:33:25+08:00", "utc": "2025-05-15T22:33:25Z", "ms": 1747348404536.092 }, "end": { "local": "2025-05-17T07:44:05+08:00", "utc": "2025-05-16T23:44:05Z", "ms": 1747439045031.0735 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-16T06:33:25+08:00", "utc": "2025-05-15T22:33:25Z", "ms": 1747348404536.092 }, "end": { "local": "2025-05-17T07:44:05+08:00", "utc": "2025-05-16T23:44:05Z", "ms": 1747439045031.0735 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-05-15", "window": { "start": { "local": "2025-05-15T22:13:04+08:00", "utc": "2025-05-15T14:13:04Z", "ms": 1747318384131.43 }, "end": { "local": "2025-05-15T22:13:04+08:00", "utc": "2025-05-15T14:13:04Z", "ms": 1747318384131.43 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-05-16", "window": { "start": { "local": "2025-05-16T23:05:25+08:00", "utc": "2025-05-16T15:05:25Z", "ms": 1747407925375.1196 }, "end": { "local": "2025-05-16T23:05:25+08:00", "utc": "2025-05-16T15:05:25Z", "ms": 1747407925375.1196 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:33 on Fri 16 May to 07:44 on Sat 17 May.", "fact": "2025-05-15T22:33:25Z → 2025-05-16T23:44:05Z" }, { "step": "kaala", "text": "Moonrise is at 22:13 on the 15th and 23:05 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30020 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Friday 16 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": "2025-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-16", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Friday 16 May. Caturthī runs from 06:33 on Fri 16 May to 07:44 on Sat 17 May and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-05-16", "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/2025/ekadashi?on=2025-05-23", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8226, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-05-23T03:42:42+08:00", "utc": "2025-05-22T19:42:42Z", "ms": 1747942961686.9292 }, "end": { "local": "2025-05-24T01:00:15+08:00", "utc": "2025-05-23T17:00:15Z", "ms": 1748019614801.3076 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-23T03:42:42+08:00", "utc": "2025-05-22T19:42:42Z", "ms": 1747942961686.9292 }, "end": { "local": "2025-05-24T01:00:15+08:00", "utc": "2025-05-23T17:00:15Z", "ms": 1748019614801.3076 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-05-23", "window": { "start": { "local": "2025-05-23T05:59:48+08:00", "utc": "2025-05-22T21:59:48Z", "ms": 1747951188146.835 }, "end": { "local": "2025-05-23T05:59:48+08:00", "utc": "2025-05-22T21:59:48Z", "ms": 1747951188146.835 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-05-24", "window": { "start": { "local": "2025-05-24T05:59:25+08:00", "utc": "2025-05-23T21:59:25Z", "ms": 1748037565402.1555 }, "end": { "local": "2025-05-24T05:59:25+08:00", "utc": "2025-05-23T21:59:25Z", "ms": 1748037565402.1555 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:43 on Fri 23 May to 01:00 on Sat 24 May.", "fact": "2025-05-22T19:42:42Z → 2025-05-23T17:00:15Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 23rd and 05:59 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8226 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Zunyi, 2025: Friday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-23", "confidence": "determinate" } ], "quote": "In Zunyi, Aparā Ekādaśī 2025 falls on Friday 23 May. Ekādaśī runs from 03:43 on Fri 23 May to 01:00 on Sat 24 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-05-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2931, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-05-24T21:50:44+08:00", "utc": "2025-05-24T13:50:44Z", "ms": 1748094643577.1824 }, "end": { "local": "2025-05-25T18:21:41+08:00", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-24T21:50:44+08:00", "utc": "2025-05-24T13:50:44Z", "ms": 1748094643577.1824 }, "end": { "local": "2025-05-25T18:21:41+08:00", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-24", "window": { "start": { "local": "2025-05-24T19:39:14+08:00", "utc": "2025-05-24T11:39:14Z", "ms": 1748086753620.6506 }, "end": { "local": "2025-05-24T21:01:52+08:00", "utc": "2025-05-24T13:01:52Z", "ms": 1748091712335.755 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2025-05-25", "window": { "start": { "local": "2025-05-25T19:39:47+08:00", "utc": "2025-05-25T11:39:47Z", "ms": 1748173186553.4363 }, "end": { "local": "2025-05-25T21:02:18+08:00", "utc": "2025-05-25T13:02:18Z", "ms": 1748178138198.8599 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:51 on Sat 24 May to 18:22 on Sun 25 May.", "fact": "2025-05-24T13:50:44Z → 2025-05-25T10:21:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:39–21:02 on the 24th, 19:40–21:02 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 24th and 0 of 83 on the 25th.", "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 2931 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Saturday 24 May.", "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": "2025-05-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-24", "confidence": "boundary" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Saturday 24 May. Trayodaśī runs from 21:51 on Sat 24 May to 18:22 on Sun 25 May, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-05-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21814, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-05-25T18:21:41+08:00", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "end": { "local": "2025-05-26T14:42:11+08:00", "utc": "2025-05-26T06:42:11Z", "ms": 1748241730835.6147 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-25T18:21:41+08:00", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "end": { "local": "2025-05-26T14:42:11+08:00", "utc": "2025-05-26T06:42:11Z", "ms": 1748241730835.6147 } }, "kaala": "nishita", "days": [ { "local_date": "2025-05-25", "window": { "start": { "local": "2025-05-26T00:25:15+08:00", "utc": "2025-05-25T16:25:15Z", "ms": 1748190315223.7751 }, "end": { "local": "2025-05-26T01:13:15+08:00", "utc": "2025-05-25T17:13:15Z", "ms": 1748193195223.7751 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-26", "window": { "start": { "local": "2025-05-27T00:25:22+08:00", "utc": "2025-05-26T16:25:22Z", "ms": 1748276722143.5918 }, "end": { "local": "2025-05-27T01:13:22+08:00", "utc": "2025-05-26T17:13:22Z", "ms": 1748279602143.5918 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:22 on Sun 25 May to 14:42 on Mon 26 May.", "fact": "2025-05-25T10:21:41Z → 2025-05-26T06:42:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 25th, 00:25–01:13 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21814 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Sunday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-25", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Sunday 25 May. Caturdaśī runs from 18:22 on Sun 25 May to 14:42 on Mon 26 May and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28859, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-05-29T04:24:54+08:00", "utc": "2025-05-28T20:24:54Z", "ms": 1748463893885.833 }, "end": { "local": "2025-05-30T01:48:36+08:00", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-29T04:24:54+08:00", "utc": "2025-05-28T20:24:54Z", "ms": 1748463893885.833 }, "end": { "local": "2025-05-30T01:48:36+08:00", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-29", "window": { "start": { "local": "2025-05-29T12:25:53+08:00", "utc": "2025-05-29T04:25:53Z", "ms": 1748492753103.8164 }, "end": { "local": "2025-05-29T13:13:53+08:00", "utc": "2025-05-29T05:13:53Z", "ms": 1748495633103.8164 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-30", "window": { "start": { "local": "2025-05-30T12:26:01+08:00", "utc": "2025-05-30T04:26:01Z", "ms": 1748579161170.316 }, "end": { "local": "2025-05-30T13:14:01+08:00", "utc": "2025-05-30T05:14:01Z", "ms": 1748582041170.316 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:25 on Thu 29 May to 01:49 on Fri 30 May.", "fact": "2025-05-28T20:24:54Z → 2025-05-29T17:48:36Z" }, { "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": "Tṛtīyā 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 28859 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Zunyi, 2025: Thursday 29 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-29", "confidence": "determinate" } ], "quote": "In Zunyi, Rambhā Tṛtīyā 2025 falls on Thursday 29 May. Tṛtīyā runs from 04:25 on Thu 29 May to 01:49 on Fri 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-05-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38245, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-05-30T01:48:36+08:00", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "end": { "local": "2025-05-30T23:53:14+08:00", "utc": "2025-05-30T15:53:14Z", "ms": 1748620394150.939 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-30T01:48:36+08:00", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "end": { "local": "2025-05-30T23:53:14+08:00", "utc": "2025-05-30T15:53:14Z", "ms": 1748620394150.939 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-30", "window": { "start": { "local": "2025-05-30T12:26:01+08:00", "utc": "2025-05-30T04:26:01Z", "ms": 1748579161170.316 }, "end": { "local": "2025-05-30T13:14:01+08:00", "utc": "2025-05-30T05:14:01Z", "ms": 1748582041170.316 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-31", "window": { "start": { "local": "2025-05-31T12:26:10+08:00", "utc": "2025-05-31T04:26:10Z", "ms": 1748665569641.8066 }, "end": { "local": "2025-05-31T13:14:10+08:00", "utc": "2025-05-31T05:14:10Z", "ms": 1748668449641.8066 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:49 on Fri 30 May to 23:53 on Fri 30 May.", "fact": "2025-05-29T17:48:36Z → 2025-05-30T15:53:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 30th, 12:26–13:14 on the 31st.", "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 30th and 0 of 48 on the 31st.", "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 38245 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Friday 30 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-30", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Friday 30 May. Caturthī runs from 01:49 on Fri 30 May to 23:53 on Fri 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33346, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-05-31T22:45:49+08:00", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T22:30:04+08:00", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-31T22:45:49+08:00", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T22:30:04+08:00", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-31", "window": { "start": { "local": "2025-05-31T12:26:10+08:00", "utc": "2025-05-31T04:26:10Z", "ms": 1748665569641.8066 }, "end": { "local": "2025-05-31T13:14:10+08:00", "utc": "2025-05-31T05:14:10Z", "ms": 1748668449641.8066 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-01", "window": { "start": { "local": "2025-06-01T12:26:18+08:00", "utc": "2025-06-01T04:26:18Z", "ms": 1748751978499.969 }, "end": { "local": "2025-06-01T13:14:18+08:00", "utc": "2025-06-01T05:14:18Z", "ms": 1748754858499.969 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:46 on Sat 31 May to 22:30 on Sun 1 Jun.", "fact": "2025-05-31T14:45:49Z → 2025-06-01T14:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 31st, 12:26–13:14 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33346 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Zunyi, 2025: Sunday 1 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-01", "confidence": "determinate" } ], "quote": "In Zunyi, Araṇya Gaurī Vrata 2025 falls on Sunday 1 June. Ṣaṣṭhī runs from 22:46 on Sat 31 May to 22:30 on Sun 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33346, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-05-31T22:45:49+08:00", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T22:30:04+08:00", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-31T22:45:49+08:00", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T22:30:04+08:00", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-31", "window": { "start": { "local": "2025-05-31T12:26:10+08:00", "utc": "2025-05-31T04:26:10Z", "ms": 1748665569641.8066 }, "end": { "local": "2025-05-31T13:14:10+08:00", "utc": "2025-05-31T05:14:10Z", "ms": 1748668449641.8066 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-01", "window": { "start": { "local": "2025-06-01T12:26:18+08:00", "utc": "2025-06-01T04:26:18Z", "ms": 1748751978499.969 }, "end": { "local": "2025-06-01T13:14:18+08:00", "utc": "2025-06-01T05:14:18Z", "ms": 1748754858499.969 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:46 on Sat 31 May to 22:30 on Sun 1 Jun.", "fact": "2025-05-31T14:45:49Z → 2025-06-01T14:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 31st, 12:26–13:14 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33346 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Zunyi, 2025: Sunday 1 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-01", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2025 falls on Sunday 1 June. Ṣaṣṭhī runs from 22:46 on Sat 31 May to 22:30 on Sun 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-06-07", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4201, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-06-06T04:46:29+08:00", "utc": "2025-06-05T20:46:29Z", "ms": 1749156388969.1968 }, "end": { "local": "2025-06-07T07:18:31+08:00", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-06T04:46:29+08:00", "utc": "2025-06-05T20:46:29Z", "ms": 1749156388969.1968 }, "end": { "local": "2025-06-07T07:18:31+08:00", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-06-06", "window": { "start": { "local": "2025-06-06T05:56:30+08:00", "utc": "2025-06-05T21:56:30Z", "ms": 1749160589837.3093 }, "end": { "local": "2025-06-06T05:56:30+08:00", "utc": "2025-06-05T21:56:30Z", "ms": 1749160589837.3093 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-06-07", "window": { "start": { "local": "2025-06-07T05:56:25+08:00", "utc": "2025-06-06T21:56:25Z", "ms": 1749246985445.4888 }, "end": { "local": "2025-06-07T05:56:25+08:00", "utc": "2025-06-06T21:56:25Z", "ms": 1749246985445.4888 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:46 on Fri 6 Jun to 07:19 on Sat 7 Jun.", "fact": "2025-06-05T20:46:29Z → 2025-06-06T23:18:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 6th and 05:56 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 4201 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Zunyi, 2025: Saturday 7 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": "2025-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-07", "confidence": "determinate" } ], "quote": "In Zunyi, Nirjalā Ekādaśī 2025 falls on Saturday 7 June. Ekādaśī runs from 04:46 on Fri 6 Jun to 07:19 on Sat 7 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-06-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9543, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-06-07T07:18:31+08:00", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "end": { "local": "2025-06-08T09:48:27+08:00", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-07T07:18:31+08:00", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "end": { "local": "2025-06-08T09:48:27+08:00", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-07", "window": { "start": { "local": "2025-06-07T12:27:19+08:00", "utc": "2025-06-07T04:27:19Z", "ms": 1749270438795.0652 }, "end": { "local": "2025-06-07T13:15:19+08:00", "utc": "2025-06-07T05:15:19Z", "ms": 1749273318795.0652 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-08", "window": { "start": { "local": "2025-06-08T12:27:30+08:00", "utc": "2025-06-08T04:27:30Z", "ms": 1749356849874.7075 }, "end": { "local": "2025-06-08T13:15:30+08:00", "utc": "2025-06-08T05:15:30Z", "ms": 1749359729874.7075 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:19 on Sat 7 Jun to 09:48 on Sun 8 Jun.", "fact": "2025-06-06T23:18:31Z → 2025-06-08T01:48:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 7th, 12:27–13:15 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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 9543 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Zunyi, 2025: Saturday 7 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": "2025-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Rāma Dvādaśī 2025 falls on Saturday 7 June. Dvādaśī runs from 07:19 on Sat 7 Jun to 09:48 on Sun 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-06-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27633, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-06-08T09:48:27+08:00", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "end": { "local": "2025-06-09T12:06:29+08:00", "utc": "2025-06-09T04:06:29Z", "ms": 1749441989261.5317 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-08T09:48:27+08:00", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "end": { "local": "2025-06-09T12:06:29+08:00", "utc": "2025-06-09T04:06:29Z", "ms": 1749441989261.5317 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-08", "window": { "start": { "local": "2025-06-08T19:46:37+08:00", "utc": "2025-06-08T11:46:37Z", "ms": 1749383197421.7268 }, "end": { "local": "2025-06-08T21:07:55+08:00", "utc": "2025-06-08T13:07:55Z", "ms": 1749388075162.2476 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2025-06-09", "window": { "start": { "local": "2025-06-09T19:47:02+08:00", "utc": "2025-06-09T11:47:02Z", "ms": 1749469621928.9236 }, "end": { "local": "2025-06-09T21:08:16+08:00", "utc": "2025-06-09T13:08:16Z", "ms": 1749474496322.4407 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:48 on Sun 8 Jun to 12:06 on Mon 9 Jun.", "fact": "2025-06-08T01:48:27Z → 2025-06-09T04:06:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:08 on the 8th, 19:47–21:08 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 81 of 81 minutes on the 8th and 0 of 81 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27633 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Sunday 8 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": "2025-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-08", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Sunday 8 June. Trayodaśī runs from 09:48 on Sun 8 Jun to 12:06 on Mon 9 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14638, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-06-10T14:06:08+08:00", "utc": "2025-06-10T06:06:08Z", "ms": 1749535567628.5503 }, "end": { "local": "2025-06-11T15:43:50+08:00", "utc": "2025-06-11T07:43:50Z", "ms": 1749627830336.5625 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-10T14:06:08+08:00", "utc": "2025-06-10T06:06:08Z", "ms": 1749535567628.5503 }, "end": { "local": "2025-06-11T15:43:50+08:00", "utc": "2025-06-11T07:43:50Z", "ms": 1749627830336.5625 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-10", "window": { "start": { "local": "2025-06-10T19:47:26+08:00", "utc": "2025-06-10T11:47:26Z", "ms": 1749556045639.7822 }, "end": { "local": "2025-06-10T21:08:37+08:00", "utc": "2025-06-10T13:08:37Z", "ms": 1749560916958.7375 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2025-06-11", "window": { "start": { "local": "2025-06-11T19:47:49+08:00", "utc": "2025-06-11T11:47:49Z", "ms": 1749642468528.286 }, "end": { "local": "2025-06-11T21:08:57+08:00", "utc": "2025-06-11T13:08:57Z", "ms": 1749647337047.195 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:06 on Tue 10 Jun to 15:44 on Wed 11 Jun.", "fact": "2025-06-10T06:06:08Z → 2025-06-11T07:43:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:09 on the 10th, 19:48–21:09 on the 11th.", "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 10th and 0 of 81 on the 11th.", "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 14638 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Zunyi, 2025: Tuesday 10 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": "2025-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-10", "confidence": "determinate" } ], "quote": "In Zunyi, Vaṭa Sāvitrī Vrata 2025 falls on Tuesday 10 June. Pūrṇimā runs from 14:06 on Tue 10 Jun to 15:44 on Wed 11 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-06-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15472, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-06-14T18:17:17+08:00", "utc": "2025-06-14T10:17:17Z", "ms": 1749896237251.9524 }, "end": { "local": "2025-06-15T18:21:48+08:00", "utc": "2025-06-15T10:21:48Z", "ms": 1749982908454.4712 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-14T18:17:17+08:00", "utc": "2025-06-14T10:17:17Z", "ms": 1749896237251.9524 }, "end": { "local": "2025-06-15T18:21:48+08:00", "utc": "2025-06-15T10:21:48Z", "ms": 1749982908454.4712 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-06-14", "window": { "start": { "local": "2025-06-14T22:35:09+08:00", "utc": "2025-06-14T14:35:09Z", "ms": 1749911708955.9368 }, "end": { "local": "2025-06-14T22:35:09+08:00", "utc": "2025-06-14T14:35:09Z", "ms": 1749911708955.9368 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-06-15", "window": { "start": { "local": "2025-06-15T23:14:24+08:00", "utc": "2025-06-15T15:14:24Z", "ms": 1750000464437.4265 }, "end": { "local": "2025-06-15T23:14:24+08:00", "utc": "2025-06-15T15:14:24Z", "ms": 1750000464437.4265 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:17 on Sat 14 Jun to 18:22 on Sun 15 Jun.", "fact": "2025-06-14T10:17:17Z → 2025-06-15T10:21:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:35 on the 14th and 23:14 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15472 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Saturday 14 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": "2025-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-14", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Saturday 14 June. Caturthī runs from 18:17 on Sat 14 Jun to 18:22 on Sun 15 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-06-14", "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/2025/ekadashi?on=2025-06-22", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3621, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-06-21T09:49:17+08:00", "utc": "2025-06-21T01:49:17Z", "ms": 1750470556982.6157 }, "end": { "local": "2025-06-22T06:58:08+08:00", "utc": "2025-06-21T22:58:08Z", "ms": 1750546687854.9622 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-21T09:49:17+08:00", "utc": "2025-06-21T01:49:17Z", "ms": 1750470556982.6157 }, "end": { "local": "2025-06-22T06:58:08+08:00", "utc": "2025-06-21T22:58:08Z", "ms": 1750546687854.9622 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-06-21", "window": { "start": { "local": "2025-06-21T05:57:33+08:00", "utc": "2025-06-20T21:57:33Z", "ms": 1750456652905.9578 }, "end": { "local": "2025-06-21T05:57:33+08:00", "utc": "2025-06-20T21:57:33Z", "ms": 1750456652905.9578 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-06-22", "window": { "start": { "local": "2025-06-22T05:57:46+08:00", "utc": "2025-06-21T21:57:46Z", "ms": 1750543066373.0242 }, "end": { "local": "2025-06-22T05:57:46+08:00", "utc": "2025-06-21T21:57:46Z", "ms": 1750543066373.0242 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:49 on Sat 21 Jun to 06:58 on Sun 22 Jun.", "fact": "2025-06-21T01:49:17Z → 2025-06-21T22:58:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 21st and 05:58 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is 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 3621 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Zunyi, 2025: Sunday 22 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": "2025-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-22", "confidence": "determinate" } ], "quote": "In Zunyi, Yoginī Ekādaśī 2025 falls on Sunday 22 June. Ekādaśī runs from 09:49 on Sat 21 Jun to 06:58 on Sun 22 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-06-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-06-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12486, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-06-23T03:52:33+08:00", "utc": "2025-06-22T19:52:33Z", "ms": 1750621953405.7346 }, "end": { "local": "2025-06-24T00:40:13+08:00", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-23T03:52:33+08:00", "utc": "2025-06-22T19:52:33Z", "ms": 1750621953405.7346 }, "end": { "local": "2025-06-24T00:40:13+08:00", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-22", "window": { "start": { "local": "2025-06-22T19:50:59+08:00", "utc": "2025-06-22T11:50:59Z", "ms": 1750593058809.7644 }, "end": { "local": "2025-06-22T21:11:55+08:00", "utc": "2025-06-22T13:11:55Z", "ms": 1750597915086.394 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2025-06-23", "window": { "start": { "local": "2025-06-23T19:51:10+08:00", "utc": "2025-06-23T11:51:10Z", "ms": 1750679469864.5679 }, "end": { "local": "2025-06-23T21:12:07+08:00", "utc": "2025-06-23T13:12:07Z", "ms": 1750684326737.368 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:53 on Mon 23 Jun to 00:40 on Tue 24 Jun.", "fact": "2025-06-22T19:52:33Z → 2025-06-23T16:40:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:12 on the 22nd, 19:51–21:12 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 22nd and 81 of 81 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 12486 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Monday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-23", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 23 June. Trayodaśī runs from 03:53 on Mon 23 Jun to 00:40 on Tue 24 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-06-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 569, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-06-24T00:40:13+08:00", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "end": { "local": "2025-06-24T21:30:00+08:00", "utc": "2025-06-24T13:30:00Z", "ms": 1750771799732.5684 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-24T00:40:13+08:00", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "end": { "local": "2025-06-24T21:30:00+08:00", "utc": "2025-06-24T13:30:00Z", "ms": 1750771799732.5684 } }, "kaala": "nishita", "days": [ { "local_date": "2025-06-23", "window": { "start": { "local": "2025-06-24T00:30:43+08:00", "utc": "2025-06-23T16:30:43Z", "ms": 1750696243137.5679 }, "end": { "local": "2025-06-24T01:18:43+08:00", "utc": "2025-06-23T17:18:43Z", "ms": 1750699123137.5679 } }, "covered_min": 39, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-24", "window": { "start": { "local": "2025-06-25T00:30:56+08:00", "utc": "2025-06-24T16:30:56Z", "ms": 1750782656343.6167 }, "end": { "local": "2025-06-25T01:18:56+08:00", "utc": "2025-06-24T17:18:56Z", "ms": 1750785536343.6167 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:40 on Tue 24 Jun to 21:30 on Tue 24 Jun.", "fact": "2025-06-23T16:40:13Z → 2025-06-24T13:30:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 23rd, 00:31–01:19 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 39 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 569 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Monday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Monday 23 June. Caturdaśī runs from 00:40 on Tue 24 Jun to 21:30 on Tue 24 Jun and covers 39 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1827, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-06-26T15:55:03+08:00", "utc": "2025-06-26T07:55:03Z", "ms": 1750924503081.92 }, "end": { "local": "2025-06-27T13:49:53+08:00", "utc": "2025-06-27T05:49:53Z", "ms": 1751003392897.424 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-26T15:55:03+08:00", "utc": "2025-06-26T07:55:03Z", "ms": 1750924503081.92 }, "end": { "local": "2025-06-27T13:49:53+08:00", "utc": "2025-06-27T05:49:53Z", "ms": 1751003392897.424 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-26", "window": { "start": { "local": "2025-06-26T12:31:13+08:00", "utc": "2025-06-26T04:31:13Z", "ms": 1750912273196.5479 }, "end": { "local": "2025-06-26T13:19:13+08:00", "utc": "2025-06-26T05:19:13Z", "ms": 1750915153196.5479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-27", "window": { "start": { "local": "2025-06-27T12:31:26+08:00", "utc": "2025-06-27T04:31:26Z", "ms": 1750998685531.3745 }, "end": { "local": "2025-06-27T13:19:26+08:00", "utc": "2025-06-27T05:19:26Z", "ms": 1751001565531.3745 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:55 on Thu 26 Jun to 13:50 on Fri 27 Jun.", "fact": "2025-06-26T07:55:03Z → 2025-06-27T05:49:53Z" }, { "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": "Dvitīyā 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 1827 s" }, { "step": "ruling", "text": "Rathayātrā, Zunyi, 2025: Friday 27 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": "2025-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-27", "confidence": "determinate" } ], "quote": "In Zunyi, Rathayātrā 2025 falls on Friday 27 June. Dvitīyā runs from 15:55 on Thu 26 Jun to 13:50 on Fri 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-06-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 428, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-06-28T12:24:29+08:00", "utc": "2025-06-28T04:24:29Z", "ms": 1751084669364.2908 }, "end": { "local": "2025-06-29T11:45:03+08:00", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-28T12:24:29+08:00", "utc": "2025-06-28T04:24:29Z", "ms": 1751084669364.2908 }, "end": { "local": "2025-06-29T11:45:03+08:00", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-28", "window": { "start": { "local": "2025-06-28T12:31:38+08:00", "utc": "2025-06-28T04:31:38Z", "ms": 1751085097682.938 }, "end": { "local": "2025-06-28T13:19:38+08:00", "utc": "2025-06-28T05:19:38Z", "ms": 1751087977682.938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-29", "window": { "start": { "local": "2025-06-29T12:31:50+08:00", "utc": "2025-06-29T04:31:50Z", "ms": 1751171509624.8792 }, "end": { "local": "2025-06-29T13:19:50+08:00", "utc": "2025-06-29T05:19:50Z", "ms": 1751174389624.8792 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:24 on Sat 28 Jun to 11:45 on Sun 29 Jun.", "fact": "2025-06-28T04:24:29Z → 2025-06-29T03:45:03Z" }, { "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": "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 428 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Saturday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-28", "confidence": "boundary" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Saturday 28 June. Caturthī runs from 12:24 on Sat 28 Jun to 11:45 on Sun 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2256, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-06-29T11:45:03+08:00", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "end": { "local": "2025-06-30T11:54:25+08:00", "utc": "2025-06-30T03:54:25Z", "ms": 1751255665362.0383 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-29T11:45:03+08:00", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "end": { "local": "2025-06-30T11:54:25+08:00", "utc": "2025-06-30T03:54:25Z", "ms": 1751255665362.0383 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-29", "window": { "start": { "local": "2025-06-29T12:31:50+08:00", "utc": "2025-06-29T04:31:50Z", "ms": 1751171509624.8792 }, "end": { "local": "2025-06-29T13:19:50+08:00", "utc": "2025-06-29T05:19:50Z", "ms": 1751174389624.8792 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-30", "window": { "start": { "local": "2025-06-30T12:32:01+08:00", "utc": "2025-06-30T04:32:01Z", "ms": 1751257921332.3198 }, "end": { "local": "2025-06-30T13:20:01+08:00", "utc": "2025-06-30T05:20:01Z", "ms": 1751260801332.3198 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:45 on Sun 29 Jun to 11:54 on Mon 30 Jun.", "fact": "2025-06-29T03:45:03Z → 2025-06-30T03:54:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 29th, 12:32–13:20 on the 30th.", "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 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 2256 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Zunyi, 2025: Sunday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-30", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Pañcamī 2025 falls on Sunday 29 June. Pañcamī runs from 11:45 on Sun 29 Jun to 11:54 on Mon 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1137, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-07-01T12:51:10+08:00", "utc": "2025-07-01T04:51:10Z", "ms": 1751345470158.1948 }, "end": { "local": "2025-07-02T14:29:02+08:00", "utc": "2025-07-02T06:29:02Z", "ms": 1751437742224.875 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-01T12:51:10+08:00", "utc": "2025-07-01T04:51:10Z", "ms": 1751345470158.1948 }, "end": { "local": "2025-07-02T14:29:02+08:00", "utc": "2025-07-02T06:29:02Z", "ms": 1751437742224.875 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-01", "window": { "start": { "local": "2025-07-01T12:32:13+08:00", "utc": "2025-07-01T04:32:13Z", "ms": 1751344332781.7634 }, "end": { "local": "2025-07-01T13:20:13+08:00", "utc": "2025-07-01T05:20:13Z", "ms": 1751347212781.7634 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-02", "window": { "start": { "local": "2025-07-02T12:32:24+08:00", "utc": "2025-07-02T04:32:24Z", "ms": 1751430743950.9695 }, "end": { "local": "2025-07-02T13:20:24+08:00", "utc": "2025-07-02T05:20:24Z", "ms": 1751433623950.9695 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:51 on Tue 1 Jul to 14:29 on Wed 2 Jul.", "fact": "2025-07-01T04:51:10Z → 2025-07-02T06:29:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 1st, 12:32–13:20 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 29 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1137 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Zunyi, 2025: Tuesday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vivasvat Saptamī 2025 falls on Tuesday 1 July. Saptamī runs from 12:51 on Tue 1 Jul to 14:29 on Wed 2 Jul and covers 29 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-07-06", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22641, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-07-05T21:29:27+08:00", "utc": "2025-07-05T13:29:27Z", "ms": 1751722166657.5671 }, "end": { "local": "2025-07-06T23:45:35+08:00", "utc": "2025-07-06T15:45:35Z", "ms": 1751816734505.0251 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-05T21:29:27+08:00", "utc": "2025-07-05T13:29:27Z", "ms": 1751722166657.5671 }, "end": { "local": "2025-07-06T23:45:35+08:00", "utc": "2025-07-06T15:45:35Z", "ms": 1751816734505.0251 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-07-06", "window": { "start": { "local": "2025-07-06T06:02:30+08:00", "utc": "2025-07-05T22:02:30Z", "ms": 1751752950096.5547 }, "end": { "local": "2025-07-06T06:02:30+08:00", "utc": "2025-07-05T22:02:30Z", "ms": 1751752950096.5547 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-07-07", "window": { "start": { "local": "2025-07-07T06:02:56+08:00", "utc": "2025-07-06T22:02:56Z", "ms": 1751839375899.9155 }, "end": { "local": "2025-07-07T06:02:56+08:00", "utc": "2025-07-06T22:02:56Z", "ms": 1751839375899.9155 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:29 on Sat 5 Jul to 23:46 on Sun 6 Jul.", "fact": "2025-07-05T13:29:27Z → 2025-07-06T15:45:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 6th and 06:03 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22641 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Zunyi, 2025: Sunday 6 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": "2025-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-06", "confidence": "determinate" } ], "quote": "In Zunyi, Hariśayanī Ekādaśī 2025 falls on Sunday 6 July. Ekādaśī runs from 21:29 on Sat 5 Jul to 23:46 on Sun 6 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-07-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16057, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-07-08T01:40:45+08:00", "utc": "2025-07-07T17:40:45Z", "ms": 1751910045030.2458 }, "end": { "local": "2025-07-09T03:08:52+08:00", "utc": "2025-07-08T19:08:52Z", "ms": 1752001731821.186 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-08T01:40:45+08:00", "utc": "2025-07-07T17:40:45Z", "ms": 1751910045030.2458 }, "end": { "local": "2025-07-09T03:08:52+08:00", "utc": "2025-07-08T19:08:52Z", "ms": 1752001731821.186 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-07", "window": { "start": { "local": "2025-07-07T19:51:34+08:00", "utc": "2025-07-07T11:51:34Z", "ms": 1751889093891.0723 }, "end": { "local": "2025-07-07T21:13:08+08:00", "utc": "2025-07-07T13:13:08Z", "ms": 1751893988343.1277 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2025-07-08", "window": { "start": { "local": "2025-07-08T19:51:26+08:00", "utc": "2025-07-08T11:51:26Z", "ms": 1751975485675.265 }, "end": { "local": "2025-07-08T21:13:05+08:00", "utc": "2025-07-08T13:13:05Z", "ms": 1751980384813.6624 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:41 on Tue 8 Jul to 03:09 on Wed 9 Jul.", "fact": "2025-07-07T17:40:45Z → 2025-07-08T19:08:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 7th, 19:51–21:13 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 7th and 82 of 82 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16057 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Tuesday 8 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": "2025-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-08", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Tuesday 8 July. Trayodaśī runs from 01:41 on Tue 8 Jul to 03:09 on Wed 9 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-07-08", "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/2025/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5277, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "udaya-3", "days": [ { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T06:04:17+08:00", "utc": "2025-07-09T22:04:17Z", "ms": 1752098656667.86 }, "end": { "local": "2025-07-10T08:49:38+08:00", "utc": "2025-07-10T00:49:38Z", "ms": 1752108578365.727 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T06:04:45+08:00", "utc": "2025-07-10T22:04:45Z", "ms": 1752185084618.7656 }, "end": { "local": "2025-07-11T08:49:58+08:00", "utc": "2025-07-11T00:49:58Z", "ms": 1752194998266.0308 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:04–08:50 on the 10th, 06:05–08:50 on the 11th.", "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 165 of 165 minutes on the 10th and 0 of 165 on the 11th.", "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 5277 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Zunyi, 2025: Thursday 10 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": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Zunyi, Vyāsa Pūjā 2025 falls on Thursday 10 July. Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28621, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T12:33:41+08:00", "utc": "2025-07-10T04:33:41Z", "ms": 1752122020912.5276 }, "end": { "local": "2025-07-10T13:21:41+08:00", "utc": "2025-07-10T05:21:41Z", "ms": 1752124900912.5276 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T12:33:49+08:00", "utc": "2025-07-11T04:33:49Z", "ms": 1752208428736.9285 }, "end": { "local": "2025-07-11T13:21:49+08:00", "utc": "2025-07-11T05:21:49Z", "ms": 1752211308736.9285 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 10th, 12:34–13:22 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28621 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Zunyi, 2025: Thursday 10 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": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Zunyi, Guru Pūrṇimā 2025 falls on Thursday 10 July. Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29770, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-07-09", "window": { "start": { "local": "2025-07-09T17:05:47+08:00", "utc": "2025-07-09T09:05:47Z", "ms": 1752051946720.6343 }, "end": { "local": "2025-07-09T19:51:16+08:00", "utc": "2025-07-09T11:51:16Z", "ms": 1752061876097.4814 } }, "covered_min": 0, "window_min": 165, "qualifies": false }, { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T17:05:43+08:00", "utc": "2025-07-10T09:05:43Z", "ms": 1752138343459.3281 }, "end": { "local": "2025-07-10T19:51:05+08:00", "utc": "2025-07-10T11:51:05Z", "ms": 1752148265157.195 } }, "covered_min": 165, "window_min": 165, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:06–19:51 on the 9th, 17:06–19:51 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 165 minutes on the 9th and 165 of 165 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29770 s" }, { "step": "ruling", "text": "Kokilā Vrata, Zunyi, 2025: Thursday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Zunyi, Kokilā Vrata 2025 falls on Thursday 10 July. Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24866, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T04:07:26+08:00", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T04:36:48+08:00", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-09", "window": { "start": { "local": "2025-07-09T19:51:16+08:00", "utc": "2025-07-09T11:51:16Z", "ms": 1752061876097.4814 }, "end": { "local": "2025-07-09T21:13:00+08:00", "utc": "2025-07-09T13:13:00Z", "ms": 1752066780173.532 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T19:51:05+08:00", "utc": "2025-07-10T11:51:05Z", "ms": 1752148265157.195 }, "end": { "local": "2025-07-10T21:12:54+08:00", "utc": "2025-07-10T13:12:54Z", "ms": 1752153174418.7378 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:13 on the 9th, 19:51–21:13 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 9th and 82 of 82 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24866 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Zunyi, 2025: Thursday 10 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": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Zunyi, Śiva Śayanotsava 2025 falls on Thursday 10 July. Pūrṇimā runs from 04:07 on Thu 10 Jul to 04:37 on Fri 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25362, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-07-12T04:39:00+08:00", "utc": "2025-07-11T20:39:00Z", "ms": 1752266339833.2092 }, "end": { "local": "2025-07-13T04:16:52+08:00", "utc": "2025-07-12T20:16:52Z", "ms": 1752351411567.7603 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-12T04:39:00+08:00", "utc": "2025-07-11T20:39:00Z", "ms": 1752266339833.2092 }, "end": { "local": "2025-07-13T04:16:52+08:00", "utc": "2025-07-12T20:16:52Z", "ms": 1752351411567.7603 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T20:32:50+08:00", "utc": "2025-07-11T12:32:50Z", "ms": 1752237170262.667 }, "end": { "local": "2025-07-11T20:32:50+08:00", "utc": "2025-07-11T12:32:50Z", "ms": 1752237170262.667 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-12", "window": { "start": { "local": "2025-07-12T21:14:10+08:00", "utc": "2025-07-12T13:14:10Z", "ms": 1752326050023.4504 }, "end": { "local": "2025-07-12T21:14:10+08:00", "utc": "2025-07-12T13:14:10Z", "ms": 1752326050023.4504 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:39 on Sat 12 Jul to 04:17 on Sun 13 Jul.", "fact": "2025-07-11T20:39:00Z → 2025-07-12T20:16:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 11th and 21:14 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25362 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Zunyi, 2025: Saturday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-12", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata (Āṣāḍha) 2025 falls on Saturday 12 July. Dvitīyā runs from 04:39 on Sat 12 Jul to 04:17 on Sun 13 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-07-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14729, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-07-14T03:33:10+08:00", "utc": "2025-07-13T19:33:10Z", "ms": 1752435190001.9287 }, "end": { "local": "2025-07-15T02:30:12+08:00", "utc": "2025-07-14T18:30:12Z", "ms": 1752517812168.4817 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-14T03:33:10+08:00", "utc": "2025-07-13T19:33:10Z", "ms": 1752435190001.9287 }, "end": { "local": "2025-07-15T02:30:12+08:00", "utc": "2025-07-14T18:30:12Z", "ms": 1752517812168.4817 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-07-13", "window": { "start": { "local": "2025-07-13T21:51:02+08:00", "utc": "2025-07-13T13:51:02Z", "ms": 1752414662343.2852 }, "end": { "local": "2025-07-13T21:51:02+08:00", "utc": "2025-07-13T13:51:02Z", "ms": 1752414662343.2852 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-14", "window": { "start": { "local": "2025-07-14T22:24:43+08:00", "utc": "2025-07-14T14:24:43Z", "ms": 1752503082905.4792 }, "end": { "local": "2025-07-14T22:24:43+08:00", "utc": "2025-07-14T14:24:43Z", "ms": 1752503082905.4792 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:33 on Mon 14 Jul to 02:30 on Tue 15 Jul.", "fact": "2025-07-13T19:33:10Z → 2025-07-14T18:30:12Z" }, { "step": "kaala", "text": "Moonrise is at 21:51 on the 13th and 22:25 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 14729 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Monday 14 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": "2025-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-14", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Monday 14 July. Caturthī runs from 03:33 on Mon 14 Jul to 02:30 on Tue 15 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-07-14", "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/2025/ekadashi?on=2025-07-21", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21580, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-07-20T14:43:31+08:00", "utc": "2025-07-20T06:43:31Z", "ms": 1752993810732.053 }, "end": { "local": "2025-07-21T12:09:26+08:00", "utc": "2025-07-21T04:09:26Z", "ms": 1753070966148.411 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-20T14:43:31+08:00", "utc": "2025-07-20T06:43:31Z", "ms": 1752993810732.053 }, "end": { "local": "2025-07-21T12:09:26+08:00", "utc": "2025-07-21T04:09:26Z", "ms": 1753070966148.411 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-07-20", "window": { "start": { "local": "2025-07-20T06:09:14+08:00", "utc": "2025-07-19T22:09:14Z", "ms": 1752962954410.665 }, "end": { "local": "2025-07-20T06:09:14+08:00", "utc": "2025-07-19T22:09:14Z", "ms": 1752962954410.665 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-21", "window": { "start": { "local": "2025-07-21T06:09:46+08:00", "utc": "2025-07-20T22:09:46Z", "ms": 1753049385956.741 }, "end": { "local": "2025-07-21T06:09:46+08:00", "utc": "2025-07-20T22:09:46Z", "ms": 1753049385956.741 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:44 on Sun 20 Jul to 12:09 on Mon 21 Jul.", "fact": "2025-07-20T06:43:31Z → 2025-07-21T04:09:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 20th and 06:10 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 21580 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Zunyi, 2025: Monday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-21", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmikā Ekādaśī 2025 falls on Monday 21 July. Ekādaśī runs from 14:44 on Sun 20 Jul to 12:09 on Mon 21 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-07-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35991, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-07-22T09:36:03+08:00", "utc": "2025-07-22T01:36:03Z", "ms": 1753148163449.7554 }, "end": { "local": "2025-07-23T07:10:09+08:00", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-22T09:36:03+08:00", "utc": "2025-07-22T01:36:03Z", "ms": 1753148163449.7554 }, "end": { "local": "2025-07-23T07:10:09+08:00", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-21", "window": { "start": { "local": "2025-07-21T19:47:36+08:00", "utc": "2025-07-21T11:47:36Z", "ms": 1753098455687.8074 }, "end": { "local": "2025-07-21T21:10:37+08:00", "utc": "2025-07-21T13:10:37Z", "ms": 1753103437291.798 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2025-07-22", "window": { "start": { "local": "2025-07-22T19:47:09+08:00", "utc": "2025-07-22T11:47:09Z", "ms": 1753184828668.5547 }, "end": { "local": "2025-07-22T21:10:18+08:00", "utc": "2025-07-22T13:10:18Z", "ms": 1753189818134.631 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:36 on Tue 22 Jul to 07:10 on Wed 23 Jul.", "fact": "2025-07-22T01:36:03Z → 2025-07-22T23:10:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:11 on the 21st, 19:47–21:10 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 35991 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Tuesday 22 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-22", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Tuesday 22 July. Trayodaśī runs from 09:36 on Tue 22 Jul to 07:10 on Wed 23 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-07-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12975, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-07-23T07:10:09+08:00", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "end": { "local": "2025-07-24T04:59:16+08:00", "utc": "2025-07-23T20:59:16Z", "ms": 1753304355559.5916 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-23T07:10:09+08:00", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "end": { "local": "2025-07-24T04:59:16+08:00", "utc": "2025-07-23T20:59:16Z", "ms": 1753304355559.5916 } }, "kaala": "nishita", "days": [ { "local_date": "2025-07-22", "window": { "start": { "local": "2025-07-23T00:34:59+08:00", "utc": "2025-07-22T16:34:59Z", "ms": 1753202099166.3416 }, "end": { "local": "2025-07-23T01:22:59+08:00", "utc": "2025-07-22T17:22:59Z", "ms": 1753204979166.3416 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-07-23", "window": { "start": { "local": "2025-07-24T00:35:01+08:00", "utc": "2025-07-23T16:35:01Z", "ms": 1753288501055.5017 }, "end": { "local": "2025-07-24T01:23:01+08:00", "utc": "2025-07-23T17:23:01Z", "ms": 1753291381055.5017 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:10 on Wed 23 Jul to 04:59 on Thu 24 Jul.", "fact": "2025-07-22T23:10:09Z → 2025-07-23T20:59:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 22nd, 00:35–01:23 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12975 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Wednesday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Wednesday 23 July. Caturdaśī runs from 07:10 on Wed 23 Jul to 04:59 on Thu 24 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40935, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-07-27T01:12:27+08:00", "utc": "2025-07-26T17:12:27Z", "ms": 1753549947257.9417 }, "end": { "local": "2025-07-28T01:12:30+08:00", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-27T01:12:27+08:00", "utc": "2025-07-26T17:12:27Z", "ms": 1753549947257.9417 }, "end": { "local": "2025-07-28T01:12:30+08:00", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-27", "window": { "start": { "local": "2025-07-27T12:34:46+08:00", "utc": "2025-07-27T04:34:46Z", "ms": 1753590886431.1868 }, "end": { "local": "2025-07-27T13:22:46+08:00", "utc": "2025-07-27T05:22:46Z", "ms": 1753593766431.1868 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-28", "window": { "start": { "local": "2025-07-28T12:34:45+08:00", "utc": "2025-07-28T04:34:45Z", "ms": 1753677285287.4 }, "end": { "local": "2025-07-28T13:22:45+08:00", "utc": "2025-07-28T05:22:45Z", "ms": 1753680165287.4 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:12 on Sun 27 Jul to 01:12 on Mon 28 Jul.", "fact": "2025-07-26T17:12:27Z → 2025-07-27T17:12:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 27th, 12:35–13:23 on the 28th.", "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 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: paraviddha → only-day · margin 40935 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Zunyi, 2025: Sunday 27 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": "2025-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-27", "confidence": "determinate" } ], "quote": "In Zunyi, Madhusravā Tṛtīyā (Hariyali Teej) 2025 falls on Sunday 27 July. Tṛtīyā runs from 01:12 on Sun 27 Jul to 01:12 on Mon 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-07-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38389, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-07-28T01:12:30+08:00", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "end": { "local": "2025-07-29T01:54:55+08:00", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-28T01:12:30+08:00", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "end": { "local": "2025-07-29T01:54:55+08:00", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-28", "window": { "start": { "local": "2025-07-28T12:34:45+08:00", "utc": "2025-07-28T04:34:45Z", "ms": 1753677285287.4 }, "end": { "local": "2025-07-28T13:22:45+08:00", "utc": "2025-07-28T05:22:45Z", "ms": 1753680165287.4 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-29", "window": { "start": { "local": "2025-07-29T12:34:44+08:00", "utc": "2025-07-29T04:34:44Z", "ms": 1753763683530.315 }, "end": { "local": "2025-07-29T13:22:44+08:00", "utc": "2025-07-29T05:22:44Z", "ms": 1753766563530.315 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:12 on Mon 28 Jul to 01:55 on Tue 29 Jul.", "fact": "2025-07-27T17:12:30Z → 2025-07-28T17:54:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 28th, 12:35–13:23 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 38389 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Monday 28 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": "2025-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-28", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Monday 28 July. Caturthī runs from 01:12 on Mon 28 Jul to 01:55 on Tue 29 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33455, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-07-29T01:54:55+08:00", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "end": { "local": "2025-07-30T03:17:06+08:00", "utc": "2025-07-29T19:17:06Z", "ms": 1753816625946.6633 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-29T01:54:55+08:00", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "end": { "local": "2025-07-30T03:17:06+08:00", "utc": "2025-07-29T19:17:06Z", "ms": 1753816625946.6633 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-29", "window": { "start": { "local": "2025-07-29T12:34:44+08:00", "utc": "2025-07-29T04:34:44Z", "ms": 1753763683530.315 }, "end": { "local": "2025-07-29T13:22:44+08:00", "utc": "2025-07-29T05:22:44Z", "ms": 1753766563530.315 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-30", "window": { "start": { "local": "2025-07-30T12:34:41+08:00", "utc": "2025-07-30T04:34:41Z", "ms": 1753850081156.1555 }, "end": { "local": "2025-07-30T13:22:41+08:00", "utc": "2025-07-30T05:22:41Z", "ms": 1753852961156.1555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:55 on Tue 29 Jul to 03:17 on Wed 30 Jul.", "fact": "2025-07-28T17:54:55Z → 2025-07-29T19:17:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 29th, 12:35–13:23 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33455 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Zunyi, 2025: Tuesday 29 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": "2025-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-29", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī 2025 falls on Tuesday 29 July. Pañcamī runs from 01:55 on Tue 29 Jul to 03:17 on Wed 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-08-05", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28496, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-08-04T14:12:13+08:00", "utc": "2025-08-04T06:12:13Z", "ms": 1754287933415.4058 }, "end": { "local": "2025-08-05T15:42:53+08:00", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-04T14:12:13+08:00", "utc": "2025-08-04T06:12:13Z", "ms": 1754287933415.4058 }, "end": { "local": "2025-08-05T15:42:53+08:00", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-08-04", "window": { "start": { "local": "2025-08-04T06:17:18+08:00", "utc": "2025-08-03T22:17:18Z", "ms": 1754259437870.381 }, "end": { "local": "2025-08-04T06:17:18+08:00", "utc": "2025-08-03T22:17:18Z", "ms": 1754259437870.381 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-08-05", "window": { "start": { "local": "2025-08-05T06:17:50+08:00", "utc": "2025-08-04T22:17:50Z", "ms": 1754345869989.4158 }, "end": { "local": "2025-08-05T06:17:50+08:00", "utc": "2025-08-04T22:17:50Z", "ms": 1754345869989.4158 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:12 on Mon 4 Aug to 15:43 on Tue 5 Aug.", "fact": "2025-08-04T06:12:13Z → 2025-08-05T07:42:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 4th and 06:18 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 28496 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2025: Tuesday 5 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": "2025-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-05", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2025 falls on Tuesday 5 August. Ekādaśī runs from 14:12 on Mon 4 Aug to 15:43 on Tue 5 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8439, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-08-05T15:42:53+08:00", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "end": { "local": "2025-08-06T16:38:53+08:00", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-05T15:42:53+08:00", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "end": { "local": "2025-08-06T16:38:53+08:00", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-05", "window": { "start": { "local": "2025-08-05T12:34:14+08:00", "utc": "2025-08-05T04:34:14Z", "ms": 1754368453914.0483 }, "end": { "local": "2025-08-05T13:22:14+08:00", "utc": "2025-08-05T05:22:14Z", "ms": 1754371333914.0483 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-06", "window": { "start": { "local": "2025-08-06T12:34:07+08:00", "utc": "2025-08-06T04:34:07Z", "ms": 1754454847227.23 }, "end": { "local": "2025-08-06T13:22:07+08:00", "utc": "2025-08-06T05:22:07Z", "ms": 1754457727227.23 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:43 on Tue 5 Aug to 16:39 on Wed 6 Aug.", "fact": "2025-08-05T07:42:53Z → 2025-08-06T08:38:53Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8439 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Zunyi, 2025: Wednesday 6 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": "2025-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-06", "confidence": "determinate" } ], "quote": "In Zunyi, Dāmodara Dvādaśī 2025 falls on Wednesday 6 August. Dvādaśī runs from 15:43 on Tue 5 Aug to 16:39 on Wed 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-08-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9524, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-08-06T16:38:53+08:00", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "end": { "local": "2025-08-07T16:58:22+08:00", "utc": "2025-08-07T08:58:22Z", "ms": 1754557101803.9578 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-06T16:38:53+08:00", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "end": { "local": "2025-08-07T16:58:22+08:00", "utc": "2025-08-07T08:58:22Z", "ms": 1754557101803.9578 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-06", "window": { "start": { "local": "2025-08-06T19:37:52+08:00", "utc": "2025-08-06T11:37:52Z", "ms": 1754480272452.8662 }, "end": { "local": "2025-08-06T21:03:21+08:00", "utc": "2025-08-06T13:03:21Z", "ms": 1754485400645.463 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2025-08-07", "window": { "start": { "local": "2025-08-07T19:37:06+08:00", "utc": "2025-08-07T11:37:06Z", "ms": 1754566625982.435 }, "end": { "local": "2025-08-07T21:02:45+08:00", "utc": "2025-08-07T13:02:45Z", "ms": 1754571764607.2786 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:39 on Wed 6 Aug to 16:58 on Thu 7 Aug.", "fact": "2025-08-06T08:38:53Z → 2025-08-07T08:58:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:38–21:03 on the 6th, 19:37–21:03 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 86 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 9524 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Wednesday 6 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": "2025-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-06", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Wednesday 6 August. Trayodaśī runs from 16:39 on Wed 6 Aug to 16:58 on Thu 7 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 7046, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-08-08T16:42:36+08:00", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T15:55:04+08:00", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2025-08-09T04:22:32+08:00", "utc": "2025-08-08T20:22:32Z", "ms": 1754684551511.623 }, "end": { "local": "2025-08-09T15:55:04+08:00", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 } }, "kaala": "day", "days": [ { "local_date": "2025-08-08", "window": { "start": { "local": "2025-08-08T06:19:26+08:00", "utc": "2025-08-07T22:19:26Z", "ms": 1754605165668.7612 }, "end": { "local": "2025-08-09T06:19:57+08:00", "utc": "2025-08-08T22:19:57Z", "ms": 1754691597309.6733 } }, "covered_min": 117, "window_min": 1441, "qualifies": true }, { "local_date": "2025-08-09", "window": { "start": { "local": "2025-08-09T06:19:57+08:00", "utc": "2025-08-08T22:19:57Z", "ms": 1754691597309.6733 }, "end": { "local": "2025-08-10T06:20:29+08:00", "utc": "2025-08-09T22:20:29Z", "ms": 1754778028815.5947 } }, "covered_min": 575, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:43 on Fri 8 Aug to 15:55 on Sat 9 Aug. Its second half begins at 04:23 on Sat 9 Aug.", "fact": "2025-08-08T08:42:36Z → 2025-08-09T07:55:04Z · second half from 2025-08-08T20:22:32Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:19 on the 8th, and from 06:20 on the 9th.", "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 117 of 1441 minutes on the 8th and 575 of 1441 on the 9th.", "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 7046 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Zunyi, 2025: Saturday 9 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": "2025-08-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-09", "confidence": "boundary" } ], "quote": "In Zunyi, Rakṣā Bandhana (Rakhi) 2025 falls on Saturday 9 August. The second half of Pūrṇimā runs from 04:23 on Sat 9 Aug to 15:55 on Sat 9 Aug and falls on two days: 575 minutes of it on the 9th, 117 on the 8th; 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/2025/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/2025/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9201, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-08-08T16:42:36+08:00", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T15:55:04+08:00", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-08T16:42:36+08:00", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T15:55:04+08:00", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-08", "window": { "start": { "local": "2025-08-08T12:33:52+08:00", "utc": "2025-08-08T04:33:52Z", "ms": 1754627632059.4668 }, "end": { "local": "2025-08-08T13:21:52+08:00", "utc": "2025-08-08T05:21:52Z", "ms": 1754630512059.4668 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-09", "window": { "start": { "local": "2025-08-09T12:33:44+08:00", "utc": "2025-08-09T04:33:44Z", "ms": 1754714023594.5618 }, "end": { "local": "2025-08-09T13:21:44+08:00", "utc": "2025-08-09T05:21:44Z", "ms": 1754716903594.5618 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:43 on Fri 8 Aug to 15:55 on Sat 9 Aug.", "fact": "2025-08-08T08:42:36Z → 2025-08-09T07:55:04Z" }, { "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": "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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9201 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Zunyi, 2025: Saturday 9 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": "2025-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-09", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Tarpaṇa 2025 falls on Saturday 9 August. Pūrṇimā runs from 16:43 on Fri 8 Aug to 15:55 on Sat 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20658, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-08-10T14:40:33+08:00", "utc": "2025-08-10T06:40:33Z", "ms": 1754808032982.8364 }, "end": { "local": "2025-08-11T13:04:15+08:00", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-10T14:40:33+08:00", "utc": "2025-08-10T06:40:33Z", "ms": 1754808032982.8364 }, "end": { "local": "2025-08-11T13:04:15+08:00", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-08-10", "window": { "start": { "local": "2025-08-10T20:24:51+08:00", "utc": "2025-08-10T12:24:51Z", "ms": 1754828691357.7302 }, "end": { "local": "2025-08-10T20:24:51+08:00", "utc": "2025-08-10T12:24:51Z", "ms": 1754828691357.7302 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-08-11", "window": { "start": { "local": "2025-08-11T20:57:55+08:00", "utc": "2025-08-11T12:57:55Z", "ms": 1754917075109.372 }, "end": { "local": "2025-08-11T20:57:55+08:00", "utc": "2025-08-11T12:57:55Z", "ms": 1754917075109.372 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:41 on Sun 10 Aug to 13:04 on Mon 11 Aug.", "fact": "2025-08-10T06:40:33Z → 2025-08-11T05:04:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:25 on the 10th and 20:58 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20658 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Zunyi, 2025: Sunday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-10", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata 2025 falls on Sunday 10 August. Dvitīyā runs from 14:41 on Sun 10 Aug to 13:04 on Mon 11 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1029, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-08-11T13:04:15+08:00", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "end": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-11T13:04:15+08:00", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "end": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-11", "window": { "start": { "local": "2025-08-11T12:33:25+08:00", "utc": "2025-08-11T04:33:25Z", "ms": 1754886804950.9407 }, "end": { "local": "2025-08-11T13:21:25+08:00", "utc": "2025-08-11T05:21:25Z", "ms": 1754889684950.9407 } }, "covered_min": 17, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T12:33:15+08:00", "utc": "2025-08-12T04:33:15Z", "ms": 1754973194794.1868 }, "end": { "local": "2025-08-12T13:21:15+08:00", "utc": "2025-08-12T05:21:15Z", "ms": 1754976074794.1868 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:04 on Mon 11 Aug to 11:11 on Tue 12 Aug.", "fact": "2025-08-11T05:04:15Z → 2025-08-12T03:11:22Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 17 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1029 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Zunyi, 2025: Monday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-11", "confidence": "determinate" } ], "quote": "In Zunyi, Kajjalī Tṛtīyā (Kajari Teej) 2025 falls on Monday 11 August. Tṛtīyā runs from 13:04 on Mon 11 Aug to 11:11 on Tue 12 Aug and covers 17 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20599, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T09:06:36+08:00", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T09:06:36+08:00", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T16:54:41+08:00", "utc": "2025-08-12T08:54:41Z", "ms": 1754988880823.5208 }, "end": { "local": "2025-08-12T19:32:58+08:00", "utc": "2025-08-12T11:32:58Z", "ms": 1754998378176.41 } }, "covered_min": 158, "window_min": 158, "qualifies": true }, { "local_date": "2025-08-13", "window": { "start": { "local": "2025-08-13T16:54:05+08:00", "utc": "2025-08-13T08:54:05Z", "ms": 1755075245054.3208 }, "end": { "local": "2025-08-13T19:32:06+08:00", "utc": "2025-08-13T11:32:06Z", "ms": 1755084725692.9485 } }, "covered_min": 0, "window_min": 158, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:11 on Tue 12 Aug to 09:07 on Wed 13 Aug.", "fact": "2025-08-12T03:11:22Z → 2025-08-13T01:06:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:55–19:33 on the 12th, 16:54–19:32 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 158 of 158 minutes on the 12th and 0 of 158 on the 13th.", "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 20599 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Zunyi, 2025: Tuesday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-12", "confidence": "determinate" } ], "quote": "In Zunyi, Bahulā Caturthī 2025 falls on Tuesday 12 August. Caturthī runs from 11:11 on Tue 12 Aug to 09:07 on Wed 13 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-08-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37128, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T09:06:36+08:00", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-12T11:11:22+08:00", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T09:06:36+08:00", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T21:30:10+08:00", "utc": "2025-08-12T13:30:10Z", "ms": 1755005409835.421 }, "end": { "local": "2025-08-12T21:30:10+08:00", "utc": "2025-08-12T13:30:10Z", "ms": 1755005409835.421 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-08-13", "window": { "start": { "local": "2025-08-13T22:03:09+08:00", "utc": "2025-08-13T14:03:09Z", "ms": 1755093789074.8289 }, "end": { "local": "2025-08-13T22:03:09+08:00", "utc": "2025-08-13T14:03:09Z", "ms": 1755093789074.8289 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:11 on Tue 12 Aug to 09:07 on Wed 13 Aug.", "fact": "2025-08-12T03:11:22Z → 2025-08-13T01:06:36Z" }, { "step": "kaala", "text": "Moonrise is at 21:30 on the 12th and 22:03 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 37128 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Tuesday 12 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Tuesday 12 August. Caturthī runs from 11:11 on Tue 12 Aug to 09:07 on Wed 13 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20323, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-08-14T06:54:10+08:00", "utc": "2025-08-13T22:54:10Z", "ms": 1755125649749.1914 }, "end": { "local": "2025-08-15T04:37:40+08:00", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-14T06:54:10+08:00", "utc": "2025-08-13T22:54:10Z", "ms": 1755125649749.1914 }, "end": { "local": "2025-08-15T04:37:40+08:00", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-14", "window": { "start": { "local": "2025-08-14T12:32:53+08:00", "utc": "2025-08-14T04:32:53Z", "ms": 1755145972869.4304 }, "end": { "local": "2025-08-14T13:20:53+08:00", "utc": "2025-08-14T05:20:53Z", "ms": 1755148852869.4304 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-15T12:32:41+08:00", "utc": "2025-08-15T04:32:41Z", "ms": 1755232361125.0466 }, "end": { "local": "2025-08-15T13:20:41+08:00", "utc": "2025-08-15T05:20:41Z", "ms": 1755235241125.0466 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:54 on Thu 14 Aug to 04:38 on Fri 15 Aug.", "fact": "2025-08-13T22:54:10Z → 2025-08-14T20:37:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 14th, 12:33–13:21 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20323 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Zunyi, 2025: Thursday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-14", "confidence": "determinate" } ], "quote": "In Zunyi, Hala Ṣaṣṭhī 2025 falls on Thursday 14 August. Ṣaṣṭhī runs from 06:54 on Thu 14 Aug to 04:38 on Fri 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28501, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-08-15T04:37:40+08:00", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "end": { "local": "2025-08-16T02:20:19+08:00", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-15T04:37:40+08:00", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "end": { "local": "2025-08-16T02:20:19+08:00", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-15T12:32:41+08:00", "utc": "2025-08-15T04:32:41Z", "ms": 1755232361125.0466 }, "end": { "local": "2025-08-15T13:20:41+08:00", "utc": "2025-08-15T05:20:41Z", "ms": 1755235241125.0466 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-16", "window": { "start": { "local": "2025-08-16T12:32:29+08:00", "utc": "2025-08-16T04:32:29Z", "ms": 1755318748874.467 }, "end": { "local": "2025-08-16T13:20:29+08:00", "utc": "2025-08-16T05:20:29Z", "ms": 1755321628874.467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:38 on Fri 15 Aug to 02:20 on Sat 16 Aug.", "fact": "2025-08-14T20:37:40Z → 2025-08-15T18:20:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 15th, 12:32–13:20 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28501 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Zunyi, 2025: Friday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-15", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalā Saptamī 2025 falls on Friday 15 August. Saptamī runs from 04:38 on Fri 15 Aug to 02:20 on Sat 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1661, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-08-16T02:20:19+08:00", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "end": { "local": "2025-08-17T00:05:03+08:00", "utc": "2025-08-16T16:05:03Z", "ms": 1755360303361.7507 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-16T02:20:19+08:00", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "end": { "local": "2025-08-17T00:05:03+08:00", "utc": "2025-08-16T16:05:03Z", "ms": 1755360303361.7507 } }, "kaala": "nishita", "days": [ { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-16T00:32:56+08:00", "utc": "2025-08-15T16:32:56Z", "ms": 1755275576455.5789 }, "end": { "local": "2025-08-16T01:20:56+08:00", "utc": "2025-08-15T17:20:56Z", "ms": 1755278456455.5789 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-16", "window": { "start": { "local": "2025-08-17T00:32:44+08:00", "utc": "2025-08-16T16:32:44Z", "ms": 1755361964132.07 }, "end": { "local": "2025-08-17T01:20:44+08:00", "utc": "2025-08-16T17:20:44Z", "ms": 1755364844132.07 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:20 on Sat 16 Aug to 00:05 on Sun 17 Aug.", "fact": "2025-08-15T18:20:19Z → 2025-08-16T16:05:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 15th, 00:33–01:21 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1661 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Zunyi, 2025: Saturday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-16", "confidence": "determinate" } ], "quote": "In Zunyi, Janmāṣṭamī 2025 falls on Saturday 16 August. Aṣṭamī runs from 02:20 on Sat 16 Aug to 00:05 on Sun 17 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-08-19", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37924, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-08-18T19:53:02+08:00", "utc": "2025-08-18T11:53:02Z", "ms": 1755517982010.372 }, "end": { "local": "2025-08-19T18:03:05+08:00", "utc": "2025-08-19T10:03:05Z", "ms": 1755597785252.9395 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-18T19:53:02+08:00", "utc": "2025-08-18T11:53:02Z", "ms": 1755517982010.372 }, "end": { "local": "2025-08-19T18:03:05+08:00", "utc": "2025-08-19T10:03:05Z", "ms": 1755597785252.9395 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-08-19", "window": { "start": { "local": "2025-08-19T06:25:06+08:00", "utc": "2025-08-18T22:25:06Z", "ms": 1755555906007.092 }, "end": { "local": "2025-08-19T06:25:06+08:00", "utc": "2025-08-18T22:25:06Z", "ms": 1755555906007.092 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-08-20", "window": { "start": { "local": "2025-08-20T06:25:36+08:00", "utc": "2025-08-19T22:25:36Z", "ms": 1755642336063.6682 }, "end": { "local": "2025-08-20T06:25:36+08:00", "utc": "2025-08-19T22:25:36Z", "ms": 1755642336063.6682 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:53 on Mon 18 Aug to 18:03 on Tue 19 Aug.", "fact": "2025-08-18T11:53:02Z → 2025-08-19T10:03:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 19th and 06:26 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37924 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Zunyi, 2025: Tuesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-19", "confidence": "determinate" } ], "quote": "In Zunyi, Ajā Ekādaśī 2025 falls on Tuesday 19 August. Ekādaśī runs from 19:53 on Mon 18 Aug to 18:03 on Tue 19 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-08-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10589, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-08-20T16:29:05+08:00", "utc": "2025-08-20T08:29:05Z", "ms": 1755678545012.7996 }, "end": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-20T16:29:05+08:00", "utc": "2025-08-20T08:29:05Z", "ms": 1755678545012.7996 }, "end": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-20", "window": { "start": { "local": "2025-08-20T19:25:34+08:00", "utc": "2025-08-20T11:25:34Z", "ms": 1755689133961.5947 }, "end": { "local": "2025-08-20T20:53:38+08:00", "utc": "2025-08-20T12:53:38Z", "ms": 1755694418227.9312 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-21T19:24:35+08:00", "utc": "2025-08-21T11:24:35Z", "ms": 1755775474797.1497 }, "end": { "local": "2025-08-21T20:52:51+08:00", "utc": "2025-08-21T12:52:51Z", "ms": 1755780770916.1328 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:29 on Wed 20 Aug to 15:15 on Thu 21 Aug.", "fact": "2025-08-20T08:29:05Z → 2025-08-21T07:15:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:26–20:54 on the 20th, 19:25–20:53 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 88 of 88 minutes on the 20th and 0 of 88 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 10589 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Wednesday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-20", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Wednesday 20 August. Trayodaśī runs from 16:29 on Wed 20 Aug to 15:15 on Thu 21 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14951, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T14:26:29+08:00", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T14:26:29+08:00", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-21T19:24:35+08:00", "utc": "2025-08-21T11:24:35Z", "ms": 1755775474797.1497 }, "end": { "local": "2025-08-21T20:52:51+08:00", "utc": "2025-08-21T12:52:51Z", "ms": 1755780770916.1328 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2025-08-22", "window": { "start": { "local": "2025-08-22T19:23:35+08:00", "utc": "2025-08-22T11:23:35Z", "ms": 1755861814897.5103 }, "end": { "local": "2025-08-22T20:52:03+08:00", "utc": "2025-08-22T12:52:03Z", "ms": 1755867122944.72 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:15 on Thu 21 Aug to 14:26 on Fri 22 Aug.", "fact": "2025-08-21T07:15:24Z → 2025-08-22T06:26:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:53 on the 21st, 19:24–20:52 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 21st and 0 of 88 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14951 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Zunyi, 2025: Thursday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-21", "confidence": "determinate" } ], "quote": "In Zunyi, Aghora Caturdaśī 2025 falls on Thursday 21 August. Caturdaśī runs from 15:15 on Thu 21 Aug to 14:26 on Fri 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/shivaratri?on=2025-08-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33372, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T14:26:29+08:00", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-21T15:15:24+08:00", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T14:26:29+08:00", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 } }, "kaala": "nishita", "days": [ { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-22T00:31:35+08:00", "utc": "2025-08-21T16:31:35Z", "ms": 1755793895243.3362 }, "end": { "local": "2025-08-22T01:19:35+08:00", "utc": "2025-08-21T17:19:35Z", "ms": 1755796775243.3362 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-22", "window": { "start": { "local": "2025-08-23T00:31:20+08:00", "utc": "2025-08-22T16:31:20Z", "ms": 1755880280074.547 }, "end": { "local": "2025-08-23T01:19:20+08:00", "utc": "2025-08-22T17:19:20Z", "ms": 1755883160074.547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:15 on Thu 21 Aug to 14:26 on Fri 22 Aug.", "fact": "2025-08-21T07:15:24Z → 2025-08-22T06:26:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 21st, 00:31–01:19 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "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 33372 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Thursday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-21", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Thursday 21 August. Caturdaśī runs from 15:15 on Thu 21 Aug to 14:26 on Fri 22 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2863, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-08-23T14:06:33+08:00", "utc": "2025-08-23T06:06:33Z", "ms": 1755929193012.8289 }, "end": { "local": "2025-08-24T14:18:54+08:00", "utc": "2025-08-24T06:18:54Z", "ms": 1756016334119.1038 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-23T14:06:33+08:00", "utc": "2025-08-23T06:06:33Z", "ms": 1755929193012.8289 }, "end": { "local": "2025-08-24T14:18:54+08:00", "utc": "2025-08-24T06:18:54Z", "ms": 1756016334119.1038 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-23", "window": { "start": { "local": "2025-08-23T12:30:50+08:00", "utc": "2025-08-23T04:30:50Z", "ms": 1755923449767.8457 }, "end": { "local": "2025-08-23T13:18:50+08:00", "utc": "2025-08-23T05:18:50Z", "ms": 1755926329767.8457 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-24", "window": { "start": { "local": "2025-08-24T12:30:34+08:00", "utc": "2025-08-24T04:30:34Z", "ms": 1756009833810.785 }, "end": { "local": "2025-08-24T13:18:34+08:00", "utc": "2025-08-24T05:18:34Z", "ms": 1756012713810.785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:07 on Sat 23 Aug to 14:19 on Sun 24 Aug.", "fact": "2025-08-23T06:06:33Z → 2025-08-24T06:18:54Z" }, { "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": "Pratipadā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2863 s" }, { "step": "ruling", "text": "Rudra Vrata, Zunyi, 2025: Sunday 24 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": "2025-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-23", "confidence": "determinate" } ], "quote": "In Zunyi, Rudra Vrata 2025 falls on Sunday 24 August. Pratipadā runs from 14:07 on Sat 23 Aug to 14:19 on Sun 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6421, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-08-25T15:05:18+08:00", "utc": "2025-08-25T07:05:18Z", "ms": 1756105518402.7722 }, "end": { "local": "2025-08-26T16:25:11+08:00", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-25T15:05:18+08:00", "utc": "2025-08-25T07:05:18Z", "ms": 1756105518402.7722 }, "end": { "local": "2025-08-26T16:25:11+08:00", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-25", "window": { "start": { "local": "2025-08-25T12:30:17+08:00", "utc": "2025-08-25T04:30:17Z", "ms": 1756096217432.772 }, "end": { "local": "2025-08-25T13:18:17+08:00", "utc": "2025-08-25T05:18:17Z", "ms": 1756099097432.772 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-26", "window": { "start": { "local": "2025-08-26T12:30:01+08:00", "utc": "2025-08-26T04:30:01Z", "ms": 1756182600645.1167 }, "end": { "local": "2025-08-26T13:18:01+08:00", "utc": "2025-08-26T05:18:01Z", "ms": 1756185480645.1167 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:05 on Mon 25 Aug to 16:25 on Tue 26 Aug.", "fact": "2025-08-25T07:05:18Z → 2025-08-26T08:25:11Z" }, { "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": "Tṛtīyā 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 6421 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Zunyi, 2025: Tuesday 26 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": "2025-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-26", "confidence": "determinate" } ], "quote": "In Zunyi, Haritālikā Vrata (Hartalika Teej) 2025 falls on Tuesday 26 August. Tṛtīyā runs from 15:05 on Mon 25 Aug to 16:25 on Tue 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11231, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-26T16:25:11+08:00", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "end": { "local": "2025-08-27T18:14:55+08:00", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-26T16:25:11+08:00", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "end": { "local": "2025-08-27T18:14:55+08:00", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-26", "window": { "start": { "local": "2025-08-26T12:30:01+08:00", "utc": "2025-08-26T04:30:01Z", "ms": 1756182600645.1167 }, "end": { "local": "2025-08-26T13:18:01+08:00", "utc": "2025-08-26T05:18:01Z", "ms": 1756185480645.1167 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-27", "window": { "start": { "local": "2025-08-27T12:29:43+08:00", "utc": "2025-08-27T04:29:43Z", "ms": 1756268983460.0295 }, "end": { "local": "2025-08-27T13:17:43+08:00", "utc": "2025-08-27T05:17:43Z", "ms": 1756271863460.0295 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:25 on Tue 26 Aug to 18:15 on Wed 27 Aug.", "fact": "2025-08-26T08:25:11Z → 2025-08-27T10:14:55Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11231 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Zunyi, 2025: Wednesday 27 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": "2025-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-27", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Caturthī 2025 falls on Wednesday 27 August. Caturthī runs from 16:25 on Tue 26 Aug to 18:15 on Wed 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17832, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-08-27T18:14:55+08:00", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "end": { "local": "2025-08-28T20:27:26+08:00", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-27T18:14:55+08:00", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "end": { "local": "2025-08-28T20:27:26+08:00", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-27", "window": { "start": { "local": "2025-08-27T12:29:43+08:00", "utc": "2025-08-27T04:29:43Z", "ms": 1756268983460.0295 }, "end": { "local": "2025-08-27T13:17:43+08:00", "utc": "2025-08-27T05:17:43Z", "ms": 1756271863460.0295 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-28", "window": { "start": { "local": "2025-08-28T12:29:26+08:00", "utc": "2025-08-28T04:29:26Z", "ms": 1756355365890.606 }, "end": { "local": "2025-08-28T13:17:26+08:00", "utc": "2025-08-28T05:17:26Z", "ms": 1756358245890.606 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:15 on Wed 27 Aug to 20:27 on Thu 28 Aug.", "fact": "2025-08-27T10:14:55Z → 2025-08-28T12:27:26Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 17832 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Zunyi, 2025: Thursday 28 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": "2025-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-28", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Pañcamī 2025 falls on Thursday 28 August. Pañcamī runs from 18:15 on Wed 27 Aug to 20:27 on Thu 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25800, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-08-28T20:27:26+08:00", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "end": { "local": "2025-08-29T22:52:24+08:00", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-28T20:27:26+08:00", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "end": { "local": "2025-08-29T22:52:24+08:00", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-28", "window": { "start": { "local": "2025-08-28T12:29:26+08:00", "utc": "2025-08-28T04:29:26Z", "ms": 1756355365890.606 }, "end": { "local": "2025-08-28T13:17:26+08:00", "utc": "2025-08-28T05:17:26Z", "ms": 1756358245890.606 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-29", "window": { "start": { "local": "2025-08-29T12:29:08+08:00", "utc": "2025-08-29T04:29:08Z", "ms": 1756441747950.7817 }, "end": { "local": "2025-08-29T13:17:08+08:00", "utc": "2025-08-29T05:17:08Z", "ms": 1756444627950.7817 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:27 on Thu 28 Aug to 22:52 on Fri 29 Aug.", "fact": "2025-08-28T12:27:26Z → 2025-08-29T14:52:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 28th, 12:29–13:17 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25800 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Zunyi, 2025: Friday 29 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": "2025-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-29", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Bhādrapada) 2025 falls on Friday 29 August. Ṣaṣṭhī runs from 20:27 on Thu 28 Aug to 22:52 on Fri 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34516, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-08-29T22:52:24+08:00", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "end": { "local": "2025-08-31T01:17:08+08:00", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-29T22:52:24+08:00", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "end": { "local": "2025-08-31T01:17:08+08:00", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-29", "window": { "start": { "local": "2025-08-29T12:29:08+08:00", "utc": "2025-08-29T04:29:08Z", "ms": 1756441747950.7817 }, "end": { "local": "2025-08-29T13:17:08+08:00", "utc": "2025-08-29T05:17:08Z", "ms": 1756444627950.7817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-30", "window": { "start": { "local": "2025-08-30T12:28:50+08:00", "utc": "2025-08-30T04:28:50Z", "ms": 1756528129655.2822 }, "end": { "local": "2025-08-30T13:16:50+08:00", "utc": "2025-08-30T05:16:50Z", "ms": 1756531009655.2822 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:52 on Fri 29 Aug to 01:17 on Sun 31 Aug.", "fact": "2025-08-29T14:52:24Z → 2025-08-30T17:17:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34516 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Zunyi, 2025: Saturday 30 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": "2025-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-30", "confidence": "determinate" } ], "quote": "In Zunyi, Muktābharaṇa Vrata 2025 falls on Saturday 30 August. Saptamī runs from 22:52 on Fri 29 Aug to 01:17 on Sun 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32398, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-08-31T01:17:08+08:00", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "end": { "local": "2025-09-01T03:28:14+08:00", "utc": "2025-08-31T19:28:14Z", "ms": 1756668494409.9937 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-31T01:17:08+08:00", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "end": { "local": "2025-09-01T03:28:14+08:00", "utc": "2025-08-31T19:28:14Z", "ms": 1756668494409.9937 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-31", "window": { "start": { "local": "2025-08-31T12:28:31+08:00", "utc": "2025-08-31T04:28:31Z", "ms": 1756614511019.579 }, "end": { "local": "2025-08-31T13:16:31+08:00", "utc": "2025-08-31T05:16:31Z", "ms": 1756617391019.579 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-01", "window": { "start": { "local": "2025-09-01T12:28:12+08:00", "utc": "2025-09-01T04:28:12Z", "ms": 1756700892059.968 }, "end": { "local": "2025-09-01T13:16:12+08:00", "utc": "2025-09-01T05:16:12Z", "ms": 1756703772059.968 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:17 on Sun 31 Aug to 03:28 on Mon 1 Sep.", "fact": "2025-08-30T17:17:08Z → 2025-08-31T19:28:14Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32398 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Zunyi, 2025: Sunday 31 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": "2025-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-31", "confidence": "determinate" } ], "quote": "In Zunyi, Rādhāṣṭamī 2025 falls on Sunday 31 August. Aṣṭamī runs from 01:17 on Sun 31 Aug to 03:28 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-09-04", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 531, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-09-03T06:23:28+08:00", "utc": "2025-09-02T22:23:28Z", "ms": 1756851808309.7622 }, "end": { "local": "2025-09-04T06:52:27+08:00", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-03T06:23:28+08:00", "utc": "2025-09-02T22:23:28Z", "ms": 1756851808309.7622 }, "end": { "local": "2025-09-04T06:52:27+08:00", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-09-03", "window": { "start": { "local": "2025-09-03T06:32:19+08:00", "utc": "2025-09-02T22:32:19Z", "ms": 1756852339434.9563 }, "end": { "local": "2025-09-03T06:32:19+08:00", "utc": "2025-09-02T22:32:19Z", "ms": 1756852339434.9563 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T06:32:47+08:00", "utc": "2025-09-03T22:32:47Z", "ms": 1756938767109.1445 }, "end": { "local": "2025-09-04T06:32:47+08:00", "utc": "2025-09-03T22:32:47Z", "ms": 1756938767109.1445 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:23 on Wed 3 Sep to 06:52 on Thu 4 Sep.", "fact": "2025-09-02T22:23:28Z → 2025-09-03T22:52:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 3rd and 06:33 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 531 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Zunyi, 2025: Thursday 4 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": "2025-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-04", "confidence": "determinate" } ], "quote": "In Zunyi, Parivartanī Ekādaśī 2025 falls on Thursday 4 September. Ekādaśī runs from 06:23 on Wed 3 Sep to 06:52 on Thu 4 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20086, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-09-04T06:52:27+08:00", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "end": { "local": "2025-09-05T06:38:38+08:00", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-04T06:52:27+08:00", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "end": { "local": "2025-09-05T06:38:38+08:00", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T12:27:13+08:00", "utc": "2025-09-04T04:27:13Z", "ms": 1756960033411.0273 }, "end": { "local": "2025-09-04T13:15:13+08:00", "utc": "2025-09-04T05:15:13Z", "ms": 1756962913411.0273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-05", "window": { "start": { "local": "2025-09-05T12:26:53+08:00", "utc": "2025-09-05T04:26:53Z", "ms": 1757046413332.6528 }, "end": { "local": "2025-09-05T13:14:53+08:00", "utc": "2025-09-05T05:14:53Z", "ms": 1757049293332.6528 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:52 on Thu 4 Sep to 06:39 on Fri 5 Sep.", "fact": "2025-09-03T22:52:27Z → 2025-09-04T22:38:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 4th, 12:27–13:15 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20086 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Zunyi, 2025: Thursday 4 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": "2025-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-04", "confidence": "determinate" } ], "quote": "In Zunyi, Vāmana Jayantī 2025 falls on Thursday 4 September. Dvādaśī runs from 06:52 on Thu 4 Sep to 06:39 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-09-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32624, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-09-05T06:38:38+08:00", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "end": { "local": "2025-09-06T05:43:37+08:00", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-05T06:38:38+08:00", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "end": { "local": "2025-09-06T05:43:37+08:00", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T19:09:40+08:00", "utc": "2025-09-04T11:09:40Z", "ms": 1756984179712.91 }, "end": { "local": "2025-09-04T20:40:48+08:00", "utc": "2025-09-04T12:40:48Z", "ms": 1756989648373.9402 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2025-09-05", "window": { "start": { "local": "2025-09-05T19:08:32+08:00", "utc": "2025-09-05T11:08:32Z", "ms": 1757070511994.6694 }, "end": { "local": "2025-09-05T20:39:53+08:00", "utc": "2025-09-05T12:39:53Z", "ms": 1757075993346.2988 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:39 on Fri 5 Sep to 05:44 on Sat 6 Sep.", "fact": "2025-09-04T22:38:38Z → 2025-09-05T21:43:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:41 on the 4th, 19:09–20:40 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 91 minutes on the 4th and 91 of 91 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 32624 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Friday 5 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": "2025-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-05", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Friday 5 September. Trayodaśī runs from 06:39 on Fri 5 Sep to 05:44 on Sat 6 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-09-05", "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/2025/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3005, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-09-06T05:43:37+08:00", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "end": { "local": "2025-09-07T04:11:41+08:00", "utc": "2025-09-06T20:11:41Z", "ms": 1757189501440.8855 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-06T05:43:37+08:00", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "end": { "local": "2025-09-07T04:11:41+08:00", "utc": "2025-09-06T20:11:41Z", "ms": 1757189501440.8855 } }, "kaala": "udaya-3", "days": [ { "local_date": "2025-09-06", "window": { "start": { "local": "2025-09-06T06:33:42+08:00", "utc": "2025-09-05T22:33:42Z", "ms": 1757111622131.8901 }, "end": { "local": "2025-09-06T09:04:26+08:00", "utc": "2025-09-06T01:04:26Z", "ms": 1757120666488.3015 } }, "covered_min": 151, "window_min": 151, "qualifies": true }, { "local_date": "2025-09-07", "window": { "start": { "local": "2025-09-07T06:34:10+08:00", "utc": "2025-09-06T22:34:10Z", "ms": 1757198049506.874 }, "end": { "local": "2025-09-07T09:04:35+08:00", "utc": "2025-09-07T01:04:35Z", "ms": 1757207074705.335 } }, "covered_min": 0, "window_min": 150, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:44 on Sat 6 Sep to 04:12 on Sun 7 Sep.", "fact": "2025-09-05T21:43:37Z → 2025-09-06T20:11:41Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:34–09:04 on the 6th, 06:34–09:05 on the 7th.", "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 151 of 151 minutes on the 6th and 0 of 150 on the 7th.", "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 3005 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Zunyi, 2025: Saturday 6 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": "2025-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-06", "confidence": "determinate" } ], "quote": "In Zunyi, Ananta Caturdaśī 2025 falls on Saturday 6 September. Caturdaśī runs from 05:44 on Sat 6 Sep to 04:12 on Sun 7 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-09-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8952, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-09-10T18:08:27+08:00", "utc": "2025-09-10T10:08:27Z", "ms": 1757498907497.0796 }, "end": { "local": "2025-09-11T15:16:01+08:00", "utc": "2025-09-11T07:16:01Z", "ms": 1757574961475.4668 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-10T18:08:27+08:00", "utc": "2025-09-10T10:08:27Z", "ms": 1757498907497.0796 }, "end": { "local": "2025-09-11T15:16:01+08:00", "utc": "2025-09-11T07:16:01Z", "ms": 1757574961475.4668 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-10", "window": { "start": { "local": "2025-09-10T20:37:39+08:00", "utc": "2025-09-10T12:37:39Z", "ms": 1757507859440.8972 }, "end": { "local": "2025-09-10T20:37:39+08:00", "utc": "2025-09-10T12:37:39Z", "ms": 1757507859440.8972 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-11", "window": { "start": { "local": "2025-09-11T21:16:41+08:00", "utc": "2025-09-11T13:16:41Z", "ms": 1757596601402.0354 }, "end": { "local": "2025-09-11T21:16:41+08:00", "utc": "2025-09-11T13:16:41Z", "ms": 1757596601402.0354 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:08 on Wed 10 Sep to 15:16 on Thu 11 Sep.", "fact": "2025-09-10T10:08:27Z → 2025-09-11T07:16:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 10th and 21:17 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8952 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Wednesday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-10", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Wednesday 10 September. Caturthī runs from 18:08 on Wed 10 Sep to 15:16 on Thu 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34319, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-09-12T12:29:07+08:00", "utc": "2025-09-12T04:29:07Z", "ms": 1757651347335.958 }, "end": { "local": "2025-09-13T09:53:44+08:00", "utc": "2025-09-13T01:53:44Z", "ms": 1757728423552.5754 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-12T12:29:07+08:00", "utc": "2025-09-12T04:29:07Z", "ms": 1757651347335.958 }, "end": { "local": "2025-09-13T09:53:44+08:00", "utc": "2025-09-13T01:53:44Z", "ms": 1757728423552.5754 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-12", "window": { "start": { "local": "2025-09-12T22:01:06+08:00", "utc": "2025-09-12T14:01:06Z", "ms": 1757685666371.5276 }, "end": { "local": "2025-09-12T22:01:06+08:00", "utc": "2025-09-12T14:01:06Z", "ms": 1757685666371.5276 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-13", "window": { "start": { "local": "2025-09-13T22:52:11+08:00", "utc": "2025-09-13T14:52:11Z", "ms": 1757775131044.0854 }, "end": { "local": "2025-09-13T22:52:11+08:00", "utc": "2025-09-13T14:52:11Z", "ms": 1757775131044.0854 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:29 on Fri 12 Sep to 09:54 on Sat 13 Sep.", "fact": "2025-09-12T04:29:07Z → 2025-09-13T01:53:44Z" }, { "step": "kaala", "text": "Moonrise is at 22:01 on the 12th and 22:52 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34319 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Zunyi, 2025: Friday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-12", "confidence": "determinate" } ], "quote": "In Zunyi, Candra Ṣaṣṭhī 2025 falls on Friday 12 September. Ṣaṣṭhī runs from 12:29 on Fri 12 Sep to 09:54 on Sat 13 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32709, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-14T07:34:53+08:00", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T05:36:36+08:00", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-14T07:34:53+08:00", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T05:36:36+08:00", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-13", "window": { "start": { "local": "2025-09-13T18:59:20+08:00", "utc": "2025-09-13T10:59:20Z", "ms": 1757761159613.3438 }, "end": { "local": "2025-09-13T20:32:24+08:00", "utc": "2025-09-13T12:32:24Z", "ms": 1757766743677.5762 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2025-09-14", "window": { "start": { "local": "2025-09-14T18:58:10+08:00", "utc": "2025-09-14T10:58:10Z", "ms": 1757847489667.0208 }, "end": { "local": "2025-09-14T20:31:27+08:00", "utc": "2025-09-14T12:31:27Z", "ms": 1757853086693.7964 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:35 on Sun 14 Sep to 05:37 on Mon 15 Sep.", "fact": "2025-09-13T23:34:53Z → 2025-09-14T21:36:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:32 on the 13th, 18:58–20:31 on the 14th.", "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 13th and 93 of 93 on the 14th.", "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 32709 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Zunyi, 2025: Sunday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-14", "confidence": "determinate" } ], "quote": "In Zunyi, Jitāṣṭamī (Jitiya) 2025 falls on Sunday 14 September. Aṣṭamī runs from 07:35 on Sun 14 Sep to 05:37 on Mon 15 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20795, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-14T07:34:53+08:00", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T05:36:36+08:00", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-14T07:34:53+08:00", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T05:36:36+08:00", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-13", "window": { "start": { "local": "2025-09-13T22:52:11+08:00", "utc": "2025-09-13T14:52:11Z", "ms": 1757775131044.0854 }, "end": { "local": "2025-09-13T22:52:11+08:00", "utc": "2025-09-13T14:52:11Z", "ms": 1757775131044.0854 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-09-14", "window": { "start": { "local": "2025-09-14T23:50:01+08:00", "utc": "2025-09-14T15:50:01Z", "ms": 1757865000889.928 }, "end": { "local": "2025-09-14T23:50:01+08:00", "utc": "2025-09-14T15:50:01Z", "ms": 1757865000889.928 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:35 on Sun 14 Sep to 05:37 on Mon 15 Sep.", "fact": "2025-09-13T23:34:53Z → 2025-09-14T21:36:36Z" }, { "step": "kaala", "text": "Moonrise is at 22:52 on the 13th and 23:50 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20795 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Zunyi, 2025: Sunday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-14", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālakṣmī Vrata Samāpana 2025 falls on Sunday 14 September. Aṣṭamī runs from 07:35 on Sun 14 Sep to 05:37 on Mon 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-09-17", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13565, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-09-17T02:52:37+08:00", "utc": "2025-09-16T18:52:37Z", "ms": 1758048757455.6934 }, "end": { "local": "2025-09-18T02:10:09+08:00", "utc": "2025-09-17T18:10:09Z", "ms": 1758132609159.7761 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-17T02:52:37+08:00", "utc": "2025-09-16T18:52:37Z", "ms": 1758048757455.6934 }, "end": { "local": "2025-09-18T02:10:09+08:00", "utc": "2025-09-17T18:10:09Z", "ms": 1758132609159.7761 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-09-17", "window": { "start": { "local": "2025-09-17T06:38:42+08:00", "utc": "2025-09-16T22:38:42Z", "ms": 1758062322082.212 }, "end": { "local": "2025-09-17T06:38:42+08:00", "utc": "2025-09-16T22:38:42Z", "ms": 1758062322082.212 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-18", "window": { "start": { "local": "2025-09-18T06:39:10+08:00", "utc": "2025-09-17T22:39:10Z", "ms": 1758148749545.2205 }, "end": { "local": "2025-09-18T06:39:10+08:00", "utc": "2025-09-17T22:39:10Z", "ms": 1758148749545.2205 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:53 on Wed 17 Sep to 02:10 on Thu 18 Sep.", "fact": "2025-09-16T18:52:37Z → 2025-09-17T18:10:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 17th and 06:39 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13565 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Zunyi, 2025: Wednesday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-17", "confidence": "determinate" } ], "quote": "In Zunyi, Indirā Ekādaśī 2025 falls on Wednesday 17 September. Ekādaśī runs from 02:53 on Wed 17 Sep to 02:10 on Thu 18 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-09-17", "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/2025/pradosha-vrata?on=2025-09-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19644, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-09-19T01:55:02+08:00", "utc": "2025-09-18T17:55:02Z", "ms": 1758218102225.4539 }, "end": { "local": "2025-09-20T02:07:29+08:00", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-19T01:55:02+08:00", "utc": "2025-09-18T17:55:02Z", "ms": 1758218102225.4539 }, "end": { "local": "2025-09-20T02:07:29+08:00", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-18", "window": { "start": { "local": "2025-09-18T18:53:29+08:00", "utc": "2025-09-18T10:53:29Z", "ms": 1758192809080.0247 }, "end": { "local": "2025-09-18T20:27:38+08:00", "utc": "2025-09-18T12:27:38Z", "ms": 1758198458148.311 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2025-09-19", "window": { "start": { "local": "2025-09-19T18:52:19+08:00", "utc": "2025-09-19T10:52:19Z", "ms": 1758279138861.0952 }, "end": { "local": "2025-09-19T20:26:41+08:00", "utc": "2025-09-19T12:26:41Z", "ms": 1758284800977.3188 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:55 on Fri 19 Sep to 02:07 on Sat 20 Sep.", "fact": "2025-09-18T17:55:02Z → 2025-09-19T18:07:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:28 on the 18th, 18:52–20:27 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 18th and 94 of 94 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19644 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Friday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-19", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Friday 19 September. Trayodaśī runs from 01:55 on Fri 19 Sep to 02:07 on Sat 20 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-09-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3437, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-09-20T02:07:29+08:00", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "end": { "local": "2025-09-21T02:47:22+08:00", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-20T02:07:29+08:00", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "end": { "local": "2025-09-21T02:47:22+08:00", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 } }, "kaala": "nishita", "days": [ { "local_date": "2025-09-19", "window": { "start": { "local": "2025-09-20T00:22:12+08:00", "utc": "2025-09-19T16:22:12Z", "ms": 1758298931796.934 }, "end": { "local": "2025-09-20T01:10:12+08:00", "utc": "2025-09-19T17:10:12Z", "ms": 1758301811796.934 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-09-20", "window": { "start": { "local": "2025-09-21T00:21:51+08:00", "utc": "2025-09-20T16:21:51Z", "ms": 1758385310569.9048 }, "end": { "local": "2025-09-21T01:09:51+08:00", "utc": "2025-09-20T17:09:51Z", "ms": 1758388190569.9048 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:07 on Sat 20 Sep to 02:47 on Sun 21 Sep.", "fact": "2025-09-19T18:07:29Z → 2025-09-20T18:47:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 19th, 00:22–01:10 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3437 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Saturday 20 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": "2025-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-20", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Saturday 20 September. Caturdaśī runs from 02:07 on Sat 20 Sep to 02:47 on Sun 21 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36213, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-09-21T02:47:22+08:00", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "end": { "local": "2025-09-22T03:54:08+08:00", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-21T02:47:22+08:00", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "end": { "local": "2025-09-22T03:54:08+08:00", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 } }, "kaala": "aparahna", "days": [ { "local_date": "2025-09-21", "window": { "start": { "local": "2025-09-21T13:58:12+08:00", "utc": "2025-09-21T05:58:12Z", "ms": 1758434292097.1338 }, "end": { "local": "2025-09-21T16:24:05+08:00", "utc": "2025-09-21T08:24:05Z", "ms": 1758443045303.9597 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "2025-09-22", "window": { "start": { "local": "2025-09-22T13:57:41+08:00", "utc": "2025-09-22T05:57:41Z", "ms": 1758520661190.564 }, "end": { "local": "2025-09-22T16:23:15+08:00", "utc": "2025-09-22T08:23:15Z", "ms": 1758529394809.5835 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:47 on Sun 21 Sep to 03:54 on Mon 22 Sep.", "fact": "2025-09-20T18:47:22Z → 2025-09-21T19:54:08Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:58–16:24 on the 21st, 13:58–16:23 on the 22nd.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 146 of 146 minutes on the 21st and 0 of 146 on the 22nd.", "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 36213 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Zunyi, 2025: Sunday 21 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": "2025-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-21", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālaya Amāvāsyā 2025 falls on Sunday 21 September. Amāvasyā runs from 02:47 on Sun 21 Sep to 03:54 on Mon 22 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24842, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-09-22T03:54:08+08:00", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "end": { "local": "2025-09-23T05:26:32+08:00", "utc": "2025-09-22T21:26:32Z", "ms": 1758576391678.684 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-22T03:54:08+08:00", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "end": { "local": "2025-09-23T05:26:32+08:00", "utc": "2025-09-22T21:26:32Z", "ms": 1758576391678.684 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-22", "window": { "start": { "local": "2025-09-22T12:20:54+08:00", "utc": "2025-09-22T04:20:54Z", "ms": 1758514854381.0542 }, "end": { "local": "2025-09-22T13:08:54+08:00", "utc": "2025-09-22T05:08:54Z", "ms": 1758517734381.0542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-23", "window": { "start": { "local": "2025-09-23T12:20:33+08:00", "utc": "2025-09-23T04:20:33Z", "ms": 1758601233377.2563 }, "end": { "local": "2025-09-23T13:08:33+08:00", "utc": "2025-09-23T05:08:33Z", "ms": 1758604113377.2563 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:54 on Mon 22 Sep to 05:27 on Tue 23 Sep.", "fact": "2025-09-21T19:54:08Z → 2025-09-22T21:26:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 22nd, 12:21–13:09 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24842 s" }, { "step": "ruling", "text": "Navarātrārambha, Zunyi, 2025: Monday 22 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": "2025-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-22", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Navratri) 2025 falls on Monday 22 September. Pratipadā runs from 03:54 on Mon 22 Sep to 05:27 on Tue 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-09-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 956, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-09-25T09:36:36+08:00", "utc": "2025-09-25T01:36:36Z", "ms": 1758764195873.5664 }, "end": { "local": "2025-09-26T12:03:35+08:00", "utc": "2025-09-26T04:03:35Z", "ms": 1758859415234.4558 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-25T09:36:36+08:00", "utc": "2025-09-25T01:36:36Z", "ms": 1758764195873.5664 }, "end": { "local": "2025-09-26T12:03:35+08:00", "utc": "2025-09-26T04:03:35Z", "ms": 1758859415234.4558 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-25", "window": { "start": { "local": "2025-09-25T12:19:52+08:00", "utc": "2025-09-25T04:19:52Z", "ms": 1758773991766.604 }, "end": { "local": "2025-09-25T13:07:52+08:00", "utc": "2025-09-25T05:07:52Z", "ms": 1758776871766.604 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-26", "window": { "start": { "local": "2025-09-26T12:19:31+08:00", "utc": "2025-09-26T04:19:31Z", "ms": 1758860371195.6306 }, "end": { "local": "2025-09-26T13:07:31+08:00", "utc": "2025-09-26T05:07:31Z", "ms": 1758863251195.6306 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:37 on Thu 25 Sep to 12:04 on Fri 26 Sep.", "fact": "2025-09-25T01:36:36Z → 2025-09-26T04:03:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 25th, 12:20–13:08 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 956 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Thursday 25 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": "2025-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-25", "confidence": "boundary" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Thursday 25 September. Caturthī runs from 09:37 on Thu 25 Sep to 12:04 on Fri 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-09-25", "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/2025/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33959, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-09-28T16:57:41+08:00", "utc": "2025-09-28T08:57:41Z", "ms": 1759049861310.9585 }, "end": { "local": "2025-09-29T19:02:14+08:00", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-28T16:57:41+08:00", "utc": "2025-09-28T08:57:41Z", "ms": 1759049861310.9585 }, "end": { "local": "2025-09-29T19:02:14+08:00", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 } }, "kaala": "udaya-1", "days": [ { "local_date": "2025-09-28", "window": { "start": { "local": "2025-09-28T06:43:50+08:00", "utc": "2025-09-27T22:43:50Z", "ms": 1759013030414.3855 }, "end": { "local": "2025-09-28T07:31:42+08:00", "utc": "2025-09-27T23:31:42Z", "ms": 1759015902441.0527 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-09-29", "window": { "start": { "local": "2025-09-29T06:44:19+08:00", "utc": "2025-09-28T22:44:19Z", "ms": 1759099459351.4778 }, "end": { "local": "2025-09-29T07:32:05+08:00", "utc": "2025-09-28T23:32:05Z", "ms": 1759102324856.8608 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:58 on Sun 28 Sep to 19:02 on Mon 29 Sep.", "fact": "2025-09-28T08:57:41Z → 2025-09-29T11:02:14Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:44–07:32 on the 28th, 06:44–07:32 on the 29th.", "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 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 morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33959 s" }, { "step": "ruling", "text": "Durgā Saptamī, Zunyi, 2025: Monday 29 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": "2025-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-29", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Saptamī 2025 falls on Monday 29 September. Saptamī runs from 16:58 on Sun 28 Sep to 19:02 on Mon 29 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21343, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-29T19:02:14+08:00", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "end": { "local": "2025-09-30T20:36:37+08:00", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-29T19:02:14+08:00", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "end": { "local": "2025-09-30T20:36:37+08:00", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-29", "window": { "start": { "local": "2025-09-29T12:18:31+08:00", "utc": "2025-09-29T04:18:31Z", "ms": 1759119510641.851 }, "end": { "local": "2025-09-29T13:06:31+08:00", "utc": "2025-09-29T05:06:31Z", "ms": 1759122390641.851 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-09-30", "window": { "start": { "local": "2025-09-30T12:18:11+08:00", "utc": "2025-09-30T04:18:11Z", "ms": 1759205890907.0479 }, "end": { "local": "2025-09-30T13:06:11+08:00", "utc": "2025-09-30T05:06:11Z", "ms": 1759208770907.0479 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:02 on Mon 29 Sep to 20:37 on Tue 30 Sep.", "fact": "2025-09-29T11:02:14Z → 2025-09-30T12:36:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 29th, 12:18–13:06 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21343 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Zunyi, 2025: Tuesday 30 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": "2025-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-30", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāṣṭamī (Durga Ashtami) 2025 falls on Tuesday 30 September. Aṣṭamī runs from 19:02 on Mon 29 Sep to 20:37 on Tue 30 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27026, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-09-30T20:36:37+08:00", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "end": { "local": "2025-10-01T21:31:41+08:00", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-30T20:36:37+08:00", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "end": { "local": "2025-10-01T21:31:41+08:00", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-30", "window": { "start": { "local": "2025-09-30T12:18:11+08:00", "utc": "2025-09-30T04:18:11Z", "ms": 1759205890907.0479 }, "end": { "local": "2025-09-30T13:06:11+08:00", "utc": "2025-09-30T05:06:11Z", "ms": 1759208770907.0479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-01", "window": { "start": { "local": "2025-10-01T12:17:51+08:00", "utc": "2025-10-01T04:17:51Z", "ms": 1759292271429.754 }, "end": { "local": "2025-10-01T13:05:51+08:00", "utc": "2025-10-01T05:05:51Z", "ms": 1759295151429.754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 20:37 on Tue 30 Sep to 21:32 on Wed 1 Oct.", "fact": "2025-09-30T12:36:37Z → 2025-10-01T13:31:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 30th, 12:18–13:06 on the 1st.", "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 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27026 s" }, { "step": "ruling", "text": "Mahānavamī, Zunyi, 2025: Wednesday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-01", "confidence": "determinate" } ], "quote": "In Zunyi, Mahānavamī 2025 falls on Wednesday 1 October. Navamī runs from 20:37 on Tue 30 Sep to 21:32 on Wed 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11051, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2025-10-01T21:31:41+08:00", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 }, "end": { "local": "2025-10-02T21:41:28+08:00", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2025-10-02T11:43:28+08:00", "utc": "2025-10-02T03:43:28Z", "ms": 1759376607515.8167 }, "end": { "local": "2025-10-02T21:41:28+08:00", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2025-10-02T11:43:28+08:00", "utc": "2025-10-02T03:43:28Z", "ms": 1759376607515.8167 }, "end": { "local": "2025-10-03T12:04:36+08:00", "utc": "2025-10-03T04:04:36Z", "ms": 1759464275910.568 } } }, "kaala": "daytime", "days": [ { "local_date": "2025-10-02", "window": { "start": { "local": "2025-10-02T06:45:47+08:00", "utc": "2025-10-01T22:45:47Z", "ms": 1759358747406.568 }, "end": { "local": "2025-10-02T18:37:17+08:00", "utc": "2025-10-02T10:37:17Z", "ms": 1759401437053.9753 } }, "covered_min": 414, "window_min": 711, "qualifies": true }, { "local_date": "2025-10-03", "window": { "start": { "local": "2025-10-03T06:46:17+08:00", "utc": "2025-10-02T22:46:17Z", "ms": 1759445177215.1042 }, "end": { "local": "2025-10-03T18:36:09+08:00", "utc": "2025-10-03T10:36:09Z", "ms": 1759487769443.0864 } }, "covered_min": 0, "window_min": 710, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 21:32 on Wed 1 Oct to 21:41 on Thu 2 Oct, and Śravaṇa from 11:43 on Thu 2 Oct to 12:05 on Fri 3 Oct. They are together from 11:43 on Thu 2 Oct to 21:41 on Thu 2 Oct.", "fact": "2025-10-02T03:43:28Z → 2025-10-02T13:41:28Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:46–18:37 on the 2nd, 06:46–18:36 on the 3rd.", "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 414 of 711 minutes on the 2nd and 0 of 710 on the 3rd.", "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 11051 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Zunyi, 2025: Thursday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-02", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Daśamī (Dussehra) 2025 falls on Thursday 2 October. Daśamī runs from 21:32 on Wed 1 Oct to 21:41 on Thu 2 Oct and is with Śravaṇa in the day time that day, for 414 minutes.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-10-03", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32689, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-10-02T21:41:28+08:00", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "end": { "local": "2025-10-03T21:03:46+08:00", "utc": "2025-10-03T13:03:46Z", "ms": 1759496625723.1619 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-10-02T21:41:28+08:00", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "end": { "local": "2025-10-03T21:03:46+08:00", "utc": "2025-10-03T13:03:46Z", "ms": 1759496625723.1619 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-10-03", "window": { "start": { "local": "2025-10-03T06:46:17+08:00", "utc": "2025-10-02T22:46:17Z", "ms": 1759445177215.1042 }, "end": { "local": "2025-10-03T06:46:17+08:00", "utc": "2025-10-02T22:46:17Z", "ms": 1759445177215.1042 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-10-04", "window": { "start": { "local": "2025-10-04T06:46:47+08:00", "utc": "2025-10-03T22:46:47Z", "ms": 1759531607274.6282 }, "end": { "local": "2025-10-04T06:46:47+08:00", "utc": "2025-10-03T22:46:47Z", "ms": 1759531607274.6282 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:41 on Thu 2 Oct to 21:04 on Fri 3 Oct.", "fact": "2025-10-02T13:41:28Z → 2025-10-03T13:03:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 3rd and 06:47 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 32689 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Zunyi, 2025: Friday 3 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": "2025-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-03", "confidence": "determinate" } ], "quote": "In Zunyi, Pāśāṅkuśā Ekādaśī 2025 falls on Friday 3 October. Ekādaśī runs from 21:41 on Thu 2 Oct to 21:04 on Fri 3 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-10-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1963, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-04T19:39:57+08:00", "utc": "2025-10-04T11:39:57Z", "ms": 1759577997494.3647 }, "end": { "local": "2025-10-05T17:34:32+08:00", "utc": "2025-10-05T09:34:32Z", "ms": 1759656871674.219 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-10-04T19:39:57+08:00", "utc": "2025-10-04T11:39:57Z", "ms": 1759577997494.3647 }, "end": { "local": "2025-10-05T17:34:32+08:00", "utc": "2025-10-05T09:34:32Z", "ms": 1759656871674.219 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-04", "window": { "start": { "local": "2025-10-04T18:35:02+08:00", "utc": "2025-10-04T10:35:02Z", "ms": 1759574102220.5588 }, "end": { "local": "2025-10-04T20:12:40+08:00", "utc": "2025-10-04T12:12:40Z", "ms": 1759579960271.1658 } }, "covered_min": 33, "window_min": 98, "qualifies": true }, { "local_date": "2025-10-05", "window": { "start": { "local": "2025-10-05T18:33:55+08:00", "utc": "2025-10-05T10:33:55Z", "ms": 1759660435415.7542 }, "end": { "local": "2025-10-05T20:11:46+08:00", "utc": "2025-10-05T12:11:46Z", "ms": 1759666306454.676 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:40 on Sat 4 Oct to 17:35 on Sun 5 Oct.", "fact": "2025-10-04T11:39:57Z → 2025-10-05T09:34:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:13 on the 4th, 18:34–20:12 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 33 of 98 minutes on the 4th and 0 of 98 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 1963 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Saturday 4 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": "2025-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Saturday 4 October. Trayodaśī runs from 19:40 on Sat 4 Oct to 17:35 on Sun 5 Oct and covers 33 of 98 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5063, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-10T01:24:57+08:00", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T22:09:02+08:00", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-10T01:24:57+08:00", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T22:09:02+08:00", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-09", "window": { "start": { "local": "2025-10-09T19:54:25+08:00", "utc": "2025-10-09T11:54:25Z", "ms": 1760010865165.6204 }, "end": { "local": "2025-10-09T19:54:25+08:00", "utc": "2025-10-09T11:54:25Z", "ms": 1760010865165.6204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-10", "window": { "start": { "local": "2025-10-10T20:44:39+08:00", "utc": "2025-10-10T12:44:39Z", "ms": 1760100279245.5574 }, "end": { "local": "2025-10-10T20:44:39+08:00", "utc": "2025-10-10T12:44:39Z", "ms": 1760100279245.5574 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:25 on Fri 10 Oct to 22:09 on Fri 10 Oct.", "fact": "2025-10-09T17:24:57Z → 2025-10-10T14:09:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:54 on the 9th and 20:45 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5063 s" }, { "step": "ruling", "text": "Karaka Caturthī, Zunyi, 2025: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-10", "confidence": "determinate" } ], "quote": "In Zunyi, Karaka Caturthī (Karwa Chauth) 2025 falls on Friday 10 October. Caturthī runs from 01:25 on Fri 10 Oct to 22:09 on Fri 10 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-10-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5063, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-10T01:24:57+08:00", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T22:09:02+08:00", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-10T01:24:57+08:00", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T22:09:02+08:00", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-09", "window": { "start": { "local": "2025-10-09T19:54:25+08:00", "utc": "2025-10-09T11:54:25Z", "ms": 1760010865165.6204 }, "end": { "local": "2025-10-09T19:54:25+08:00", "utc": "2025-10-09T11:54:25Z", "ms": 1760010865165.6204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-10", "window": { "start": { "local": "2025-10-10T20:44:39+08:00", "utc": "2025-10-10T12:44:39Z", "ms": 1760100279245.5574 }, "end": { "local": "2025-10-10T20:44:39+08:00", "utc": "2025-10-10T12:44:39Z", "ms": 1760100279245.5574 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:25 on Fri 10 Oct to 22:09 on Fri 10 Oct.", "fact": "2025-10-09T17:24:57Z → 2025-10-10T14:09:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:54 on the 9th and 20:45 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5063 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-10", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Friday 10 October. Caturthī runs from 01:25 on Fri 10 Oct to 22:09 on Fri 10 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32153, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-10-13T14:54:56+08:00", "utc": "2025-10-13T06:54:56Z", "ms": 1760338496108.7412 }, "end": { "local": "2025-10-14T13:40:08+08:00", "utc": "2025-10-14T05:40:08Z", "ms": 1760420408374.367 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-13T14:54:56+08:00", "utc": "2025-10-13T06:54:56Z", "ms": 1760338496108.7412 }, "end": { "local": "2025-10-14T13:40:08+08:00", "utc": "2025-10-14T05:40:08Z", "ms": 1760420408374.367 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-13", "window": { "start": { "local": "2025-10-13T23:50:49+08:00", "utc": "2025-10-13T15:50:49Z", "ms": 1760370649335.7837 }, "end": { "local": "2025-10-13T23:50:49+08:00", "utc": "2025-10-13T15:50:49Z", "ms": 1760370649335.7837 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-10-14", "window": { "start": { "local": "2025-10-15T00:55:51+08:00", "utc": "2025-10-14T16:55:51Z", "ms": 1760460951482.748 }, "end": { "local": "2025-10-15T00:55:51+08:00", "utc": "2025-10-14T16:55:51Z", "ms": 1760460951482.748 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:55 on Mon 13 Oct to 13:40 on Tue 14 Oct.", "fact": "2025-10-13T06:54:56Z → 2025-10-14T05:40:08Z" }, { "step": "kaala", "text": "Moonrise is at 23:51 on the 13th and 00:56 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32153 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Zunyi, 2025: Monday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-13", "confidence": "determinate" } ], "quote": "In Zunyi, Ahoyī Aṣṭamī 2025 falls on Monday 13 October. Aṣṭamī runs from 14:55 on Mon 13 Oct to 13:40 on Tue 14 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-10-17", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22375, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-10-16T13:06:08+08:00", "utc": "2025-10-16T05:06:08Z", "ms": 1760591167993.0996 }, "end": { "local": "2025-10-17T13:42:43+08:00", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-16T13:06:08+08:00", "utc": "2025-10-16T05:06:08Z", "ms": 1760591167993.0996 }, "end": { "local": "2025-10-17T13:42:43+08:00", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-10-16", "window": { "start": { "local": "2025-10-16T06:53:13+08:00", "utc": "2025-10-15T22:53:13Z", "ms": 1760568793394.737 }, "end": { "local": "2025-10-16T06:53:13+08:00", "utc": "2025-10-15T22:53:13Z", "ms": 1760568793394.737 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-17", "window": { "start": { "local": "2025-10-17T06:53:48+08:00", "utc": "2025-10-16T22:53:48Z", "ms": 1760655228095.816 }, "end": { "local": "2025-10-17T06:53:48+08:00", "utc": "2025-10-16T22:53:48Z", "ms": 1760655228095.816 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:06 on Thu 16 Oct to 13:43 on Fri 17 Oct.", "fact": "2025-10-16T05:06:08Z → 2025-10-17T05:42:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:53 on the 16th and 06:54 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 22375 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Zunyi, 2025: Friday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-17", "confidence": "determinate" } ], "quote": "In Zunyi, Ramā Ekādaśī 2025 falls on Friday 17 October. Ekādaśī runs from 13:06 on Thu 16 Oct to 13:43 on Fri 17 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12638, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-10-17T13:42:43+08:00", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "end": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-17T13:42:43+08:00", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "end": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-17", "window": { "start": { "local": "2025-10-17T18:21:17+08:00", "utc": "2025-10-17T10:21:17Z", "ms": 1760696477389.7341 }, "end": { "local": "2025-10-17T20:01:42+08:00", "utc": "2025-10-17T12:01:42Z", "ms": 1760702502167.3955 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T18:20:19+08:00", "utc": "2025-10-18T10:20:19Z", "ms": 1760782818752.9102 }, "end": { "local": "2025-10-18T20:00:56+08:00", "utc": "2025-10-18T12:00:56Z", "ms": 1760788856089.4263 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:43 on Fri 17 Oct to 14:50 on Sat 18 Oct.", "fact": "2025-10-17T05:42:43Z → 2025-10-18T06:49:41Z" }, { "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": "Dvādaśī 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: purvaviddha → only-day · margin 12638 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Zunyi, 2025: Friday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-17", "confidence": "determinate" } ], "quote": "In Zunyi, Govatsa Dvādaśī (Vasu Baras) 2025 falls on Friday 17 October. Dvādaśī runs from 13:43 on Fri 17 Oct to 14:50 on Sat 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7031, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T18:20:19+08:00", "utc": "2025-10-18T10:20:19Z", "ms": 1760782818752.9102 }, "end": { "local": "2025-10-18T20:00:56+08:00", "utc": "2025-10-18T12:00:56Z", "ms": 1760788856089.4263 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T18:19:21+08:00", "utc": "2025-10-19T10:19:21Z", "ms": 1760869160941.8496 }, "end": { "local": "2025-10-19T20:00:11+08:00", "utc": "2025-10-19T12:00:11Z", "ms": 1760875210784.47 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:50 on Sat 18 Oct to 16:22 on Sun 19 Oct.", "fact": "2025-10-18T06:49:41Z → 2025-10-19T08:22:10Z" }, { "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": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 18th and 0 of 101 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7031 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Zunyi, 2025: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dīpadāna 2025 falls on Saturday 18 October. Trayodaśī runs from 14:50 on Sat 18 Oct to 16:22 on Sun 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-10-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7031, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-18T14:49:41+08:00", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T18:20:19+08:00", "utc": "2025-10-18T10:20:19Z", "ms": 1760782818752.9102 }, "end": { "local": "2025-10-18T20:00:56+08:00", "utc": "2025-10-18T12:00:56Z", "ms": 1760788856089.4263 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T18:19:21+08:00", "utc": "2025-10-19T10:19:21Z", "ms": 1760869160941.8496 }, "end": { "local": "2025-10-19T20:00:11+08:00", "utc": "2025-10-19T12:00:11Z", "ms": 1760875210784.47 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:50 on Sat 18 Oct to 16:22 on Sun 19 Oct.", "fact": "2025-10-18T06:49:41Z → 2025-10-19T08:22:10Z" }, { "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": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 18th and 0 of 101 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7031 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Saturday 18 October. Trayodaśī runs from 14:50 on Sat 18 Oct to 16:22 on Sun 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-10-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21470, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 } }, "kaala": "nishita", "days": [ { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-20T00:13:28+08:00", "utc": "2025-10-19T16:13:28Z", "ms": 1760890407851.6755 }, "end": { "local": "2025-10-20T01:01:28+08:00", "utc": "2025-10-19T17:01:28Z", "ms": 1760893287851.6755 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-21T00:13:18+08:00", "utc": "2025-10-20T16:13:18Z", "ms": 1760976797579.79 }, "end": { "local": "2025-10-21T01:01:18+08:00", "utc": "2025-10-20T17:01:18Z", "ms": 1760979677579.79 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:22 on Sun 19 Oct to 18:15 on Mon 20 Oct.", "fact": "2025-10-19T08:22:10Z → 2025-10-20T10:15:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 19th, 00:13–01:01 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21470 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Sunday 19 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-19", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Sunday 19 October. Caturdaśī runs from 16:22 on Sun 19 Oct to 18:15 on Mon 20 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34031, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-19T16:22:10+08:00", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T05:14:21+08:00", "utc": "2025-10-18T21:14:21Z", "ms": 1760822061440.265 }, "end": { "local": "2025-10-19T06:54:59+08:00", "utc": "2025-10-18T22:54:59Z", "ms": 1760828098776.781 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T05:14:45+08:00", "utc": "2025-10-19T21:14:45Z", "ms": 1760908484918.881 }, "end": { "local": "2025-10-20T06:55:35+08:00", "utc": "2025-10-19T22:55:35Z", "ms": 1760914534761.5015 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:22 on Sun 19 Oct to 18:15 on Mon 20 Oct.", "fact": "2025-10-19T08:22:10Z → 2025-10-20T10:15:27Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:14–06:55 on the 19th, 05:15–06:56 on the 20th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 101 minutes on the 19th and 101 of 101 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34031 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Zunyi, 2025: Monday 20 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": "2025-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Naraka Caturdaśī (Choti Diwali) 2025 falls on Monday 20 October. Caturdaśī runs from 16:22 on Sun 19 Oct to 18:15 on Mon 20 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13678, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 } }, "kaala": "nishita", "days": [ { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-21T00:13:18+08:00", "utc": "2025-10-20T16:13:18Z", "ms": 1760976797579.79 }, "end": { "local": "2025-10-21T01:01:18+08:00", "utc": "2025-10-20T17:01:18Z", "ms": 1760979677579.79 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-22T00:13:08+08:00", "utc": "2025-10-21T16:13:08Z", "ms": 1761063187961.9531 }, "end": { "local": "2025-10-22T01:01:08+08:00", "utc": "2025-10-21T17:01:08Z", "ms": 1761066067961.9531 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:15 on Mon 20 Oct to 20:25 on Tue 21 Oct.", "fact": "2025-10-20T10:15:27Z → 2025-10-21T12:25:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 20th, 00:13–01:01 on the 21st.", "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 20th and 0 of 48 on the 21st.", "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 13678 s" }, { "step": "ruling", "text": "Kālī Pūjā, Zunyi, 2025: Monday 20 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": "2025-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Kālī Pūjā 2025 falls on Monday 20 October. Amāvasyā runs from 18:15 on Mon 20 Oct to 20:25 on Tue 21 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-21", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 177, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-20T18:15:27+08:00", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T18:18:24+08:00", "utc": "2025-10-20T10:18:24Z", "ms": 1760955503982.2202 }, "end": { "local": "2025-10-20T19:59:26+08:00", "utc": "2025-10-20T11:59:26Z", "ms": 1760961566274.9055 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T18:17:28+08:00", "utc": "2025-10-21T10:17:28Z", "ms": 1761041847899.4211 }, "end": { "local": "2025-10-21T19:58:43+08:00", "utc": "2025-10-21T11:58:43Z", "ms": 1761047922582.763 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:15 on Mon 20 Oct to 20:25 on Tue 21 Oct.", "fact": "2025-10-20T10:15:27Z → 2025-10-21T12:25:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:59 on the 20th, 18:17–19:59 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 101 of 101 minutes on the 20th and 101 of 101 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 177 s < 300 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Zunyi, 2025: Tuesday 21 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2025-10-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "boundary" } ], "quote": "In Zunyi, Lakṣmī Pūjā (Diwali) 2025 falls on Tuesday 21 October. Amāvasyā runs from 18:15 on Mon 20 Oct to 20:25 on Tue 21 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 101 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 57 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26661, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T12:12:50+08:00", "utc": "2025-10-21T04:12:50Z", "ms": 1761019969538.3906 }, "end": { "local": "2025-10-21T13:00:50+08:00", "utc": "2025-10-21T05:00:50Z", "ms": 1761022849538.3906 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T12:12:40+08:00", "utc": "2025-10-22T04:12:40Z", "ms": 1761106360371.5752 }, "end": { "local": "2025-10-22T13:00:40+08:00", "utc": "2025-10-22T05:00:40Z", "ms": 1761109240371.5752 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26661 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Zunyi, 2025: Wednesday 22 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": "2025-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Govardhana Pūjā 2025 falls on Wednesday 22 October. Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1588, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T18:17:28+08:00", "utc": "2025-10-21T10:17:28Z", "ms": 1761041847899.4211 }, "end": { "local": "2025-10-21T19:58:43+08:00", "utc": "2025-10-21T11:58:43Z", "ms": 1761047922582.763 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T18:16:33+08:00", "utc": "2025-10-22T10:16:33Z", "ms": 1761128192718.6655 }, "end": { "local": "2025-10-22T19:58:00+08:00", "utc": "2025-10-22T11:58:00Z", "ms": 1761134279729.801 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:59 on the 21st, 18:17–19:58 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 101 minutes on the 21st and 101 of 101 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1588 s" }, { "step": "ruling", "text": "Bali Pūjā, Zunyi, 2025: Wednesday 22 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": "2025-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-22", "confidence": "boundary" } ], "quote": "In Zunyi, Bali Pūjā 2025 falls on Wednesday 22 October. Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29412, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T20:25:10+08:00", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T06:56:48+08:00", "utc": "2025-10-21T22:56:48Z", "ms": 1761087408024.485 }, "end": { "local": "2025-10-22T10:43:23+08:00", "utc": "2025-10-22T02:43:23Z", "ms": 1761101002922.5452 } }, "covered_min": 227, "window_min": 227, "qualifies": true }, { "local_date": "2025-10-23", "window": { "start": { "local": "2025-10-23T06:57:25+08:00", "utc": "2025-10-22T22:57:25Z", "ms": 1761173845302.182 }, "end": { "local": "2025-10-23T10:43:30+08:00", "utc": "2025-10-23T02:43:30Z", "ms": 1761187409689.8044 } }, "covered_min": 0, "window_min": 226, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:57–10:43 on the 22nd, 06:57–10:43 on the 23rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 227 of 227 minutes on the 22nd and 0 of 226 on the 23rd.", "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 29412 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Zunyi, 2025: Wednesday 22 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": "2025-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Dyūta Pratipad 2025 falls on Wednesday 22 October. Pratipadā runs from 20:25 on Tue 21 Oct to 22:47 on Wed 22 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35193, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "end": { "local": "2025-10-24T01:17:15+08:00", "utc": "2025-10-23T17:17:15Z", "ms": 1761239835069.1433 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-22T22:47:14+08:00", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "end": { "local": "2025-10-24T01:17:15+08:00", "utc": "2025-10-23T17:17:15Z", "ms": 1761239835069.1433 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T12:12:40+08:00", "utc": "2025-10-22T04:12:40Z", "ms": 1761106360371.5752 }, "end": { "local": "2025-10-22T13:00:40+08:00", "utc": "2025-10-22T05:00:40Z", "ms": 1761109240371.5752 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-23", "window": { "start": { "local": "2025-10-23T12:12:32+08:00", "utc": "2025-10-23T04:12:32Z", "ms": 1761192751883.6157 }, "end": { "local": "2025-10-23T13:00:32+08:00", "utc": "2025-10-23T05:00:32Z", "ms": 1761195631883.6157 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:47 on Wed 22 Oct to 01:17 on Fri 24 Oct.", "fact": "2025-10-22T14:47:14Z → 2025-10-23T17:17:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 22nd, 12:13–13:01 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35193 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Zunyi, 2025: Thursday 23 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": "2025-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-23", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dvitīyā (Bhai Dooj) 2025 falls on Thursday 23 October. Dvitīyā runs from 22:47 on Wed 22 Oct to 01:17 on Fri 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21201, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-25T03:50:01+08:00", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T06:18:49+08:00", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-25T03:50:01+08:00", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T06:18:49+08:00", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-25", "window": { "start": { "local": "2025-10-25T12:12:17+08:00", "utc": "2025-10-25T04:12:17Z", "ms": 1761365536991.0264 }, "end": { "local": "2025-10-25T13:00:17+08:00", "utc": "2025-10-25T05:00:17Z", "ms": 1761368416991.0264 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-26", "window": { "start": { "local": "2025-10-26T12:12:11+08:00", "utc": "2025-10-26T04:12:11Z", "ms": 1761451930608.8774 }, "end": { "local": "2025-10-26T13:00:11+08:00", "utc": "2025-10-26T05:00:11Z", "ms": 1761454810608.8774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:50 on Sat 25 Oct to 06:19 on Sun 26 Oct.", "fact": "2025-10-24T19:50:01Z → 2025-10-25T22:18:49Z" }, { "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": "Caturthī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21201 s" }, { "step": "ruling", "text": "Nāga Caturthī, Zunyi, 2025: Saturday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-25", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Caturthī 2025 falls on Saturday 25 October. Caturthī runs from 03:50 on Sat 25 Oct to 06:19 on Sun 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-10-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21201, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-25T03:50:01+08:00", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T06:18:49+08:00", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-25T03:50:01+08:00", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T06:18:49+08:00", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-25", "window": { "start": { "local": "2025-10-25T12:12:17+08:00", "utc": "2025-10-25T04:12:17Z", "ms": 1761365536991.0264 }, "end": { "local": "2025-10-25T13:00:17+08:00", "utc": "2025-10-25T05:00:17Z", "ms": 1761368416991.0264 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-26", "window": { "start": { "local": "2025-10-26T12:12:11+08:00", "utc": "2025-10-26T04:12:11Z", "ms": 1761451930608.8774 }, "end": { "local": "2025-10-26T13:00:11+08:00", "utc": "2025-10-26T05:00:11Z", "ms": 1761454810608.8774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:50 on Sat 25 Oct to 06:19 on Sun 26 Oct.", "fact": "2025-10-24T19:50:01Z → 2025-10-25T22:18:49Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21201 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Saturday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-25", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Saturday 25 October. Caturthī runs from 03:50 on Sat 25 Oct to 06:19 on Sun 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-10-25", "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/2025/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6104, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-10-27T08:35:25+08:00", "utc": "2025-10-27T00:35:25Z", "ms": 1761525324548.31 }, "end": { "local": "2025-10-28T10:30:16+08:00", "utc": "2025-10-28T02:30:16Z", "ms": 1761618616132.6436 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-27T08:35:25+08:00", "utc": "2025-10-27T00:35:25Z", "ms": 1761525324548.31 }, "end": { "local": "2025-10-28T10:30:16+08:00", "utc": "2025-10-28T02:30:16Z", "ms": 1761618616132.6436 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-27", "window": { "start": { "local": "2025-10-27T12:12:05+08:00", "utc": "2025-10-27T04:12:05Z", "ms": 1761538324950.607 }, "end": { "local": "2025-10-27T13:00:05+08:00", "utc": "2025-10-27T05:00:05Z", "ms": 1761541204950.607 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-28", "window": { "start": { "local": "2025-10-28T12:12:00+08:00", "utc": "2025-10-28T04:12:00Z", "ms": 1761624720026.69 }, "end": { "local": "2025-10-28T13:00:00+08:00", "utc": "2025-10-28T05:00:00Z", "ms": 1761627600026.69 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:35 on Mon 27 Oct to 10:30 on Tue 28 Oct.", "fact": "2025-10-27T00:35:25Z → 2025-10-28T02:30:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 27th, 12:12–13:00 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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: unstated → only-day · margin 6104 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Zunyi, 2025: Monday 27 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": "2025-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-27", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Chhath) 2025 falls on Monday 27 October. Ṣaṣṭhī runs from 08:35 on Mon 27 Oct to 10:30 on Tue 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1095, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-10-29T11:53:41+08:00", "utc": "2025-10-29T03:53:41Z", "ms": 1761710020696.3274 }, "end": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-29T11:53:41+08:00", "utc": "2025-10-29T03:53:41Z", "ms": 1761710020696.3274 }, "end": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-29", "window": { "start": { "local": "2025-10-29T12:11:56+08:00", "utc": "2025-10-29T04:11:56Z", "ms": 1761711115847.3616 }, "end": { "local": "2025-10-29T12:59:56+08:00", "utc": "2025-10-29T04:59:56Z", "ms": 1761713995847.3616 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T12:11:52+08:00", "utc": "2025-10-30T04:11:52Z", "ms": 1761797512422.688 }, "end": { "local": "2025-10-30T12:59:52+08:00", "utc": "2025-10-30T04:59:52Z", "ms": 1761800392422.688 } }, "covered_min": 25, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:54 on Wed 29 Oct to 12:37 on Thu 30 Oct.", "fact": "2025-10-29T03:53:41Z → 2025-10-30T04:37:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 29th, 12:12–13:00 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 25 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "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 1095 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Zunyi, 2025: Wednesday 29 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2025-10-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-29", "confidence": "boundary" } ], "quote": "In Zunyi, Gopāṣṭamī 2025 falls on Wednesday 29 October. Aṣṭamī runs from 11:54 on Wed 29 Oct to 12:37 on Thu 30 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 25 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1341, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T12:34:11+08:00", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T12:34:11+08:00", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T12:11:52+08:00", "utc": "2025-10-30T04:11:52Z", "ms": 1761797512422.688 }, "end": { "local": "2025-10-30T12:59:52+08:00", "utc": "2025-10-30T04:59:52Z", "ms": 1761800392422.688 } }, "covered_min": 23, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-31", "window": { "start": { "local": "2025-10-31T12:11:50+08:00", "utc": "2025-10-31T04:11:50Z", "ms": 1761883909762.6714 }, "end": { "local": "2025-10-31T12:59:50+08:00", "utc": "2025-10-31T04:59:50Z", "ms": 1761886789762.6714 } }, "covered_min": 22, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct.", "fact": "2025-10-30T04:37:02Z → 2025-10-31T04:34:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 30th, 12:12–13:00 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 23 of 48 minutes on the 30th and 22 of 48 on the 31st.", "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 1341 s" }, { "step": "ruling", "text": "Durgā Navamī, Zunyi, 2025: Thursday 30 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": "2025-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-30", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Navamī 2025 falls on Thursday 30 October. Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct and covers 23 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 22 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6565, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T12:34:11+08:00", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-30T12:37:02+08:00", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T12:34:11+08:00", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T07:01:58+08:00", "utc": "2025-10-29T23:01:58Z", "ms": 1761778918093.0442 }, "end": { "local": "2025-10-30T10:44:34+08:00", "utc": "2025-10-30T02:44:34Z", "ms": 1761792274312.8066 } }, "covered_min": 0, "window_min": 223, "qualifies": false }, { "local_date": "2025-10-31", "window": { "start": { "local": "2025-10-31T07:02:39+08:00", "utc": "2025-10-30T23:02:39Z", "ms": 1761865358707.183 }, "end": { "local": "2025-10-31T10:44:46+08:00", "utc": "2025-10-31T02:44:46Z", "ms": 1761878686077.5088 } }, "covered_min": 222, "window_min": 222, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct.", "fact": "2025-10-30T04:37:02Z → 2025-10-31T04:34:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:02–10:45 on the 30th, 07:03–10:45 on the 31st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 223 minutes on the 30th and 222 of 222 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6565 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Zunyi, 2025: Friday 31 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": "2025-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-31", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Navamī (Amla Navami) 2025 falls on Friday 31 October. Navamī runs from 12:37 on Thu 30 Oct to 12:34 on Fri 31 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-11-02", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10685, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-01T11:42:16+08:00", "utc": "2025-11-01T03:42:16Z", "ms": 1761968536337.4534 }, "end": { "local": "2025-11-02T10:02:07+08:00", "utc": "2025-11-02T02:02:07Z", "ms": 1762048926588.783 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-01T11:42:16+08:00", "utc": "2025-11-01T03:42:16Z", "ms": 1761968536337.4534 }, "end": { "local": "2025-11-02T10:02:07+08:00", "utc": "2025-11-02T02:02:07Z", "ms": 1762048926588.783 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-11-01", "window": { "start": { "local": "2025-11-01T07:03:20+08:00", "utc": "2025-10-31T23:03:20Z", "ms": 1761951799716.8667 }, "end": { "local": "2025-11-01T07:03:20+08:00", "utc": "2025-10-31T23:03:20Z", "ms": 1761951799716.8667 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-11-02", "window": { "start": { "local": "2025-11-02T07:04:01+08:00", "utc": "2025-11-01T23:04:01Z", "ms": 1762038241117.118 }, "end": { "local": "2025-11-02T07:04:01+08:00", "utc": "2025-11-01T23:04:01Z", "ms": 1762038241117.118 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:42 on Sat 1 Nov to 10:02 on Sun 2 Nov.", "fact": "2025-11-01T03:42:16Z → 2025-11-02T02:02:07Z" }, { "step": "kaala", "text": "Sunrise is at 07:03 on the 1st and 07:04 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10685 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Zunyi, 2025: Sunday 2 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": "2025-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-02", "confidence": "determinate" } ], "quote": "In Zunyi, Prabodhinī Ekādaśī 2025 falls on Sunday 2 November. Ekādaśī runs from 11:42 on Sat 1 Nov to 10:02 on Sun 2 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-11-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31546, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-11-03T07:37:51+08:00", "utc": "2025-11-02T23:37:51Z", "ms": 1762126670824.928 }, "end": { "local": "2025-11-04T04:36:25+08:00", "utc": "2025-11-03T20:36:25Z", "ms": 1762202184529.3372 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-03T07:37:51+08:00", "utc": "2025-11-02T23:37:51Z", "ms": 1762126670824.928 }, "end": { "local": "2025-11-04T04:36:25+08:00", "utc": "2025-11-03T20:36:25Z", "ms": 1762202184529.3372 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-11-02", "window": { "start": { "local": "2025-11-02T18:07:32+08:00", "utc": "2025-11-02T10:07:32Z", "ms": 1762078052438.3708 }, "end": { "local": "2025-11-02T19:51:10+08:00", "utc": "2025-11-02T11:51:10Z", "ms": 1762084269833.597 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2025-11-03", "window": { "start": { "local": "2025-11-03T18:06:50+08:00", "utc": "2025-11-03T10:06:50Z", "ms": 1762164410045.103 }, "end": { "local": "2025-11-03T19:50:39+08:00", "utc": "2025-11-03T11:50:39Z", "ms": 1762170638714.9314 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:38 on Mon 3 Nov to 04:36 on Tue 4 Nov.", "fact": "2025-11-02T23:37:51Z → 2025-11-03T20:36:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:51 on the 2nd, 18:07–19:51 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 104 minutes on the 2nd and 104 of 104 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 31546 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Monday 3 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": "2025-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-03", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Monday 3 November. Trayodaśī runs from 07:38 on Mon 3 Nov to 04:36 on Tue 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29970, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-11-05T01:06:47+08:00", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T21:19:18+08:00", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-05T01:06:47+08:00", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T21:19:18+08:00", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-04", "window": { "start": { "local": "2025-11-04T12:11:47+08:00", "utc": "2025-11-04T04:11:47Z", "ms": 1762229506976.952 }, "end": { "local": "2025-11-04T12:59:47+08:00", "utc": "2025-11-04T04:59:47Z", "ms": 1762232386976.952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-05", "window": { "start": { "local": "2025-11-05T12:11:48+08:00", "utc": "2025-11-05T04:11:48Z", "ms": 1762315908298.6294 }, "end": { "local": "2025-11-05T12:59:48+08:00", "utc": "2025-11-05T04:59:48Z", "ms": 1762318788298.6294 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:07 on Wed 5 Nov to 21:19 on Wed 5 Nov.", "fact": "2025-11-04T17:06:47Z → 2025-11-05T13:19:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 4th, 12:12–13:00 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29970 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Zunyi, 2025: Wednesday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-05", "confidence": "determinate" } ], "quote": "In Zunyi, Kārtikī Pūrṇimā 2025 falls on Wednesday 5 November. Pūrṇimā runs from 01:07 on Wed 5 Nov to 21:19 on Wed 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 398, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-11-05T01:06:47+08:00", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T21:19:18+08:00", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-05T01:06:47+08:00", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T21:19:18+08:00", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 } }, "kaala": "nishita", "days": [ { "local_date": "2025-11-04", "window": { "start": { "local": "2025-11-05T00:12:08+08:00", "utc": "2025-11-04T16:12:08Z", "ms": 1762272728248.5015 }, "end": { "local": "2025-11-05T01:00:08+08:00", "utc": "2025-11-04T17:00:08Z", "ms": 1762275608248.5015 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-05", "window": { "start": { "local": "2025-11-06T00:12:10+08:00", "utc": "2025-11-05T16:12:10Z", "ms": 1762359129756.5708 }, "end": { "local": "2025-11-06T01:00:10+08:00", "utc": "2025-11-05T17:00:10Z", "ms": 1762362009756.5708 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:07 on Wed 5 Nov to 21:19 on Wed 5 Nov.", "fact": "2025-11-04T17:06:47Z → 2025-11-05T13:19:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 4th, 00:12–01:00 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 398 s" }, { "step": "ruling", "text": "Rāsayātrā, Zunyi, 2025: Wednesday 5 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": "2025-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-05", "confidence": "boundary" } ], "quote": "In Zunyi, Rāsayātrā 2025 falls on Wednesday 5 November. Pūrṇimā runs from 01:07 on Wed 5 Nov to 21:19 on Wed 5 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-11-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37565, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-11-08T10:02:37+08:00", "utc": "2025-11-08T02:02:37Z", "ms": 1762567356613.168 }, "end": { "local": "2025-11-09T06:56:08+08:00", "utc": "2025-11-08T22:56:08Z", "ms": 1762642567799.1084 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-08T10:02:37+08:00", "utc": "2025-11-08T02:02:37Z", "ms": 1762567356613.168 }, "end": { "local": "2025-11-09T06:56:08+08:00", "utc": "2025-11-08T22:56:08Z", "ms": 1762642567799.1084 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-11-07", "window": { "start": { "local": "2025-11-07T19:26:42+08:00", "utc": "2025-11-07T11:26:42Z", "ms": 1762514802466.5518 }, "end": { "local": "2025-11-07T19:26:42+08:00", "utc": "2025-11-07T11:26:42Z", "ms": 1762514802466.5518 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-11-08", "window": { "start": { "local": "2025-11-08T20:30:03+08:00", "utc": "2025-11-08T12:30:03Z", "ms": 1762605002577.4727 }, "end": { "local": "2025-11-08T20:30:03+08:00", "utc": "2025-11-08T12:30:03Z", "ms": 1762605002577.4727 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:03 on Sat 8 Nov to 06:56 on Sun 9 Nov.", "fact": "2025-11-08T02:02:37Z → 2025-11-08T22:56:08Z" }, { "step": "kaala", "text": "Moonrise is at 19:27 on the 7th and 20:30 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 37565 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Saturday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-08", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Saturday 8 November. Caturthī runs from 10:03 on Sat 8 Nov to 06:56 on Sun 9 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-11-15", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7588, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-15T03:20:17+08:00", "utc": "2025-11-14T19:20:17Z", "ms": 1763148016839.8535 }, "end": { "local": "2025-11-16T05:07:50+08:00", "utc": "2025-11-15T21:07:50Z", "ms": 1763240869994.343 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-15T03:20:17+08:00", "utc": "2025-11-14T19:20:17Z", "ms": 1763148016839.8535 }, "end": { "local": "2025-11-16T05:07:50+08:00", "utc": "2025-11-15T21:07:50Z", "ms": 1763240869994.343 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-11-15", "window": { "start": { "local": "2025-11-15T07:13:32+08:00", "utc": "2025-11-14T23:13:32Z", "ms": 1763162011966.4397 }, "end": { "local": "2025-11-15T07:13:32+08:00", "utc": "2025-11-14T23:13:32Z", "ms": 1763162011966.4397 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-11-16", "window": { "start": { "local": "2025-11-16T07:14:18+08:00", "utc": "2025-11-15T23:14:18Z", "ms": 1763248457951.3362 }, "end": { "local": "2025-11-16T07:14:18+08:00", "utc": "2025-11-15T23:14:18Z", "ms": 1763248457951.3362 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:20 on Sat 15 Nov to 05:08 on Sun 16 Nov.", "fact": "2025-11-14T19:20:17Z → 2025-11-15T21:07:50Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 15th and 07:14 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7588 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Zunyi, 2025: Saturday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-15", "confidence": "determinate" } ], "quote": "In Zunyi, Utpannā Ekādaśī 2025 falls on Saturday 15 November. Ekādaśī runs from 03:20 on Sat 15 Nov to 05:08 on Sun 16 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-11-15", "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/2025/pradosha-vrata?on=2025-11-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29781, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-11-17T07:18:07+08:00", "utc": "2025-11-16T23:18:07Z", "ms": 1763335087214.1775 }, "end": { "local": "2025-11-18T09:42:35+08:00", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-17T07:18:07+08:00", "utc": "2025-11-16T23:18:07Z", "ms": 1763335087214.1775 }, "end": { "local": "2025-11-18T09:42:35+08:00", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-11-17", "window": { "start": { "local": "2025-11-17T17:59:18+08:00", "utc": "2025-11-17T09:59:18Z", "ms": 1763373557708.3416 }, "end": { "local": "2025-11-17T19:45:30+08:00", "utc": "2025-11-17T11:45:30Z", "ms": 1763379930075.899 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2025-11-18", "window": { "start": { "local": "2025-11-18T17:58:56+08:00", "utc": "2025-11-18T09:58:56Z", "ms": 1763459936361.9734 }, "end": { "local": "2025-11-18T19:45:18+08:00", "utc": "2025-11-18T11:45:18Z", "ms": 1763466317771.7146 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:18 on Mon 17 Nov to 09:43 on Tue 18 Nov.", "fact": "2025-11-16T23:18:07Z → 2025-11-18T01:42:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:46 on the 17th, 17:59–19:45 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 106 of 106 minutes on the 17th and 0 of 106 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 29781 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Monday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-17", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 17 November. Trayodaśī runs from 07:18 on Mon 17 Nov to 09:43 on Tue 18 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-11-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31261, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-11-18T09:42:35+08:00", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "end": { "local": "2025-11-19T12:14:08+08:00", "utc": "2025-11-19T04:14:08Z", "ms": 1763525647692.8962 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-18T09:42:35+08:00", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "end": { "local": "2025-11-19T12:14:08+08:00", "utc": "2025-11-19T04:14:08Z", "ms": 1763525647692.8962 } }, "kaala": "nishita", "days": [ { "local_date": "2025-11-17", "window": { "start": { "local": "2025-11-18T00:13:34+08:00", "utc": "2025-11-17T16:13:34Z", "ms": 1763396014086.6821 }, "end": { "local": "2025-11-18T01:01:34+08:00", "utc": "2025-11-17T17:01:34Z", "ms": 1763398894086.6821 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-18", "window": { "start": { "local": "2025-11-19T00:13:47+08:00", "utc": "2025-11-18T16:13:47Z", "ms": 1763482426648.503 }, "end": { "local": "2025-11-19T01:01:47+08:00", "utc": "2025-11-18T17:01:47Z", "ms": 1763485306648.503 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:43 on Tue 18 Nov to 12:14 on Wed 19 Nov.", "fact": "2025-11-18T01:42:35Z → 2025-11-19T04:14:08Z" }, { "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": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31261 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Tuesday 18 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": "2025-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-18", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Tuesday 18 November. Caturdaśī runs from 09:43 on Tue 18 Nov to 12:14 on Wed 19 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-11-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31957, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-11-23T21:55:16+08:00", "utc": "2025-11-23T13:55:16Z", "ms": 1763906115699.2617 }, "end": { "local": "2025-11-24T23:52:40+08:00", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-23T21:55:16+08:00", "utc": "2025-11-23T13:55:16Z", "ms": 1763906115699.2617 }, "end": { "local": "2025-11-24T23:52:40+08:00", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-23", "window": { "start": { "local": "2025-11-23T12:14:38+08:00", "utc": "2025-11-23T04:14:38Z", "ms": 1763871278258.2424 }, "end": { "local": "2025-11-23T13:02:38+08:00", "utc": "2025-11-23T05:02:38Z", "ms": 1763874158258.2424 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-24", "window": { "start": { "local": "2025-11-24T12:14:56+08:00", "utc": "2025-11-24T04:14:56Z", "ms": 1763957695607.9258 }, "end": { "local": "2025-11-24T13:02:56+08:00", "utc": "2025-11-24T05:02:56Z", "ms": 1763960575607.9258 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:55 on Sun 23 Nov to 23:53 on Mon 24 Nov.", "fact": "2025-11-23T13:55:16Z → 2025-11-24T15:52:40Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31957 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Monday 24 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": "2025-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-24", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Monday 24 November. Caturthī runs from 21:55 on Sun 23 Nov to 23:53 on Mon 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38881, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-11-24T23:52:40+08:00", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "end": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-24T23:52:40+08:00", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "end": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-25", "window": { "start": { "local": "2025-11-25T12:15:14+08:00", "utc": "2025-11-25T04:15:14Z", "ms": 1764044113715.1772 }, "end": { "local": "2025-11-25T13:03:14+08:00", "utc": "2025-11-25T05:03:14Z", "ms": 1764046993715.1772 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-26", "window": { "start": { "local": "2025-11-26T12:15:33+08:00", "utc": "2025-11-26T04:15:33Z", "ms": 1764130532562.6777 }, "end": { "local": "2025-11-26T13:03:33+08:00", "utc": "2025-11-26T05:03:33Z", "ms": 1764133412562.6777 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:53 on Mon 24 Nov to 01:28 on Wed 26 Nov.", "fact": "2025-11-24T15:52:40Z → 2025-11-25T17:27:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 25th, 12:16–13:04 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38881 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Zunyi, 2025: Tuesday 25 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": "2025-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-25", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī (Mārgaśīrṣa) 2025 falls on Tuesday 25 November. Pañcamī runs from 23:53 on Mon 24 Nov to 01:28 on Wed 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35002, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-26", "window": { "start": { "local": "2025-11-26T12:15:33+08:00", "utc": "2025-11-26T04:15:33Z", "ms": 1764130532562.6777 }, "end": { "local": "2025-11-26T13:03:33+08:00", "utc": "2025-11-26T05:03:33Z", "ms": 1764133412562.6777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-27", "window": { "start": { "local": "2025-11-27T12:15:52+08:00", "utc": "2025-11-27T04:15:52Z", "ms": 1764216952132.3682 }, "end": { "local": "2025-11-27T13:03:52+08:00", "utc": "2025-11-27T05:03:52Z", "ms": 1764219832132.3682 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:28 on Wed 26 Nov to 02:33 on Thu 27 Nov.", "fact": "2025-11-25T17:27:32Z → 2025-11-26T18:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 26th, 12:16–13:04 on the 27th.", "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 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 35002 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Zunyi, 2025: Wednesday 26 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": "2025-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-26", "confidence": "determinate" } ], "quote": "In Zunyi, Campā Ṣaṣṭhī 2025 falls on Wednesday 26 November. Ṣaṣṭhī runs from 01:28 on Wed 26 Nov to 02:33 on Thu 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35002, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-26T01:27:32+08:00", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-26", "window": { "start": { "local": "2025-11-26T12:15:33+08:00", "utc": "2025-11-26T04:15:33Z", "ms": 1764130532562.6777 }, "end": { "local": "2025-11-26T13:03:33+08:00", "utc": "2025-11-26T05:03:33Z", "ms": 1764133412562.6777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-27", "window": { "start": { "local": "2025-11-27T12:15:52+08:00", "utc": "2025-11-27T04:15:52Z", "ms": 1764216952132.3682 }, "end": { "local": "2025-11-27T13:03:52+08:00", "utc": "2025-11-27T05:03:52Z", "ms": 1764219832132.3682 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:28 on Wed 26 Nov to 02:33 on Thu 27 Nov.", "fact": "2025-11-25T17:27:32Z → 2025-11-26T18:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 26th, 12:16–13:04 on the 27th.", "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 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: purvaviddha → only-day · margin 35002 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Zunyi, 2025: Wednesday 26 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": "2025-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-26", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī 2025 falls on Wednesday 26 November. Ṣaṣṭhī runs from 01:28 on Wed 26 Nov to 02:33 on Thu 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33342, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "end": { "local": "2025-11-28T03:00:31+08:00", "utc": "2025-11-27T19:00:31Z", "ms": 1764270030841.336 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-27T02:32:31+08:00", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "end": { "local": "2025-11-28T03:00:31+08:00", "utc": "2025-11-27T19:00:31Z", "ms": 1764270030841.336 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-27", "window": { "start": { "local": "2025-11-27T12:15:52+08:00", "utc": "2025-11-27T04:15:52Z", "ms": 1764216952132.3682 }, "end": { "local": "2025-11-27T13:03:52+08:00", "utc": "2025-11-27T05:03:52Z", "ms": 1764219832132.3682 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-28", "window": { "start": { "local": "2025-11-28T12:16:12+08:00", "utc": "2025-11-28T04:16:12Z", "ms": 1764303372405.5928 }, "end": { "local": "2025-11-28T13:04:12+08:00", "utc": "2025-11-28T05:04:12Z", "ms": 1764306252405.5928 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:33 on Thu 27 Nov to 03:01 on Fri 28 Nov.", "fact": "2025-11-26T18:32:31Z → 2025-11-27T19:00:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 27th, 12:16–13:04 on the 28th.", "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 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 33342 s" }, { "step": "ruling", "text": "Mitra Saptamī, Zunyi, 2025: Thursday 27 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": "2025-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-27", "confidence": "determinate" } ], "quote": "In Zunyi, Mitra Saptamī 2025 falls on Thursday 27 November. Saptamī runs from 02:33 on Thu 27 Nov to 03:01 on Fri 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/ekadashi?on=2025-12-01", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26769, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-30T23:59:44+08:00", "utc": "2025-11-30T15:59:44Z", "ms": 1764518383627.6091 }, "end": { "local": "2025-12-01T21:31:39+08:00", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-30T23:59:44+08:00", "utc": "2025-11-30T15:59:44Z", "ms": 1764518383627.6091 }, "end": { "local": "2025-12-01T21:31:39+08:00", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-01", "window": { "start": { "local": "2025-12-01T07:25:52+08:00", "utc": "2025-11-30T23:25:52Z", "ms": 1764545152260.5205 }, "end": { "local": "2025-12-01T07:25:52+08:00", "utc": "2025-11-30T23:25:52Z", "ms": 1764545152260.5205 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T07:26:37+08:00", "utc": "2025-12-01T23:26:37Z", "ms": 1764631597213.095 }, "end": { "local": "2025-12-02T07:26:37+08:00", "utc": "2025-12-01T23:26:37Z", "ms": 1764631597213.095 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:00 on Sun 30 Nov to 21:32 on Mon 1 Dec.", "fact": "2025-11-30T15:59:44Z → 2025-12-01T13:31:39Z" }, { "step": "kaala", "text": "Sunrise is at 07:26 on the 1st and 07:27 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 26769 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Zunyi, 2025: Monday 1 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": "2025-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-01", "confidence": "determinate" } ], "quote": "In Zunyi, Mokṣadā Ekādaśī 2025 falls on Monday 1 December. Ekādaśī runs from 00:00 on Sun 30 Nov to 21:32 on Mon 1 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-12-01", "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/2025/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19321, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-12-01T21:31:39+08:00", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "end": { "local": "2025-12-02T18:27:41+08:00", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-01T21:31:39+08:00", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "end": { "local": "2025-12-02T18:27:41+08:00", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-12-01", "window": { "start": { "local": "2025-12-01T12:17:17+08:00", "utc": "2025-12-01T04:17:17Z", "ms": 1764562637255.0024 }, "end": { "local": "2025-12-01T13:05:17+08:00", "utc": "2025-12-01T05:05:17Z", "ms": 1764565517255.0024 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T12:17:40+08:00", "utc": "2025-12-02T04:17:40Z", "ms": 1764649060150.605 }, "end": { "local": "2025-12-02T13:05:40+08:00", "utc": "2025-12-02T05:05:40Z", "ms": 1764651940150.605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:32 on Mon 1 Dec to 18:28 on Tue 2 Dec.", "fact": "2025-12-01T13:31:39Z → 2025-12-02T10:27:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 1st, 12:18–13:06 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19321 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Zunyi, 2025: Tuesday 2 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-02", "confidence": "determinate" } ], "quote": "In Zunyi, Akhaṇḍa Dvādaśī 2025 falls on Tuesday 2 December. Dvādaśī runs from 21:32 on Mon 1 Dec to 18:28 on Tue 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/pradosha-vrata?on=2025-12-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1858, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-12-02T18:27:41+08:00", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "end": { "local": "2025-12-03T14:56:25+08:00", "utc": "2025-12-03T06:56:25Z", "ms": 1764744984727.0007 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-02T18:27:41+08:00", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "end": { "local": "2025-12-03T14:56:25+08:00", "utc": "2025-12-03T06:56:25Z", "ms": 1764744984727.0007 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T17:56:43+08:00", "utc": "2025-12-02T09:56:43Z", "ms": 1764669403088.1152 }, "end": { "local": "2025-12-02T19:44:48+08:00", "utc": "2025-12-02T11:44:48Z", "ms": 1764675888248.0852 } }, "covered_min": 77, "window_min": 108, "qualifies": true }, { "local_date": "2025-12-03", "window": { "start": { "local": "2025-12-03T17:56:46+08:00", "utc": "2025-12-03T09:56:46Z", "ms": 1764755805521.0852 }, "end": { "local": "2025-12-03T19:44:56+08:00", "utc": "2025-12-03T11:44:56Z", "ms": 1764762296244.978 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:28 on Tue 2 Dec to 14:56 on Wed 3 Dec.", "fact": "2025-12-02T10:27:41Z → 2025-12-03T06:56:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 2nd, 17:57–19:45 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 77 of 108 minutes on the 2nd and 0 of 108 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 1858 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2025: Tuesday 2 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-02", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2025 falls on Tuesday 2 December. Trayodaśī runs from 18:28 on Tue 2 Dec to 14:56 on Wed 3 Dec and covers 77 of 108 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24523, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-12-04T11:08:06+08:00", "utc": "2025-12-04T03:08:06Z", "ms": 1764817686443.9275 }, "end": { "local": "2025-12-05T07:14:04+08:00", "utc": "2025-12-04T23:14:04Z", "ms": 1764890044497.5032 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-04T11:08:06+08:00", "utc": "2025-12-04T03:08:06Z", "ms": 1764817686443.9275 }, "end": { "local": "2025-12-05T07:14:04+08:00", "utc": "2025-12-04T23:14:04Z", "ms": 1764890044497.5032 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-04", "window": { "start": { "local": "2025-12-04T17:56:50+08:00", "utc": "2025-12-04T09:56:50Z", "ms": 1764842209546.0156 }, "end": { "local": "2025-12-04T19:45:06+08:00", "utc": "2025-12-04T11:45:06Z", "ms": 1764848705562.0146 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2025-12-05", "window": { "start": { "local": "2025-12-05T17:56:55+08:00", "utc": "2025-12-05T09:56:55Z", "ms": 1764928615159.9377 }, "end": { "local": "2025-12-05T19:45:16+08:00", "utc": "2025-12-05T11:45:16Z", "ms": 1764935116192.0066 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:08 on Thu 4 Dec to 07:14 on Fri 5 Dec.", "fact": "2025-12-04T03:08:06Z → 2025-12-04T23:14:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 4th, 17:57–19:45 on the 5th.", "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 4th and 0 of 108 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24523 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Zunyi, 2025: Thursday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-04", "confidence": "determinate" } ], "quote": "In Zunyi, Dattātreyotpatti (Datta Jayanti) 2025 falls on Thursday 4 December. Pūrṇimā runs from 11:08 on Thu 4 Dec to 07:14 on Fri 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/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/2025/sankashta-chaturthi?on=2025-12-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1791, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-12-07T20:55:21+08:00", "utc": "2025-12-07T12:55:21Z", "ms": 1765112121395.1802 }, "end": { "local": "2025-12-08T18:33:49+08:00", "utc": "2025-12-08T10:33:49Z", "ms": 1765190029074.8433 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-07T20:55:21+08:00", "utc": "2025-12-07T12:55:21Z", "ms": 1765112121395.1802 }, "end": { "local": "2025-12-08T18:33:49+08:00", "utc": "2025-12-08T10:33:49Z", "ms": 1765190029074.8433 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-12-07", "window": { "start": { "local": "2025-12-07T20:25:31+08:00", "utc": "2025-12-07T12:25:31Z", "ms": 1765110330593.246 }, "end": { "local": "2025-12-07T20:25:31+08:00", "utc": "2025-12-07T12:25:31Z", "ms": 1765110330593.246 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-12-08", "window": { "start": { "local": "2025-12-08T21:34:38+08:00", "utc": "2025-12-08T13:34:38Z", "ms": 1765200877608.3386 }, "end": { "local": "2025-12-08T21:34:38+08:00", "utc": "2025-12-08T13:34:38Z", "ms": 1765200877608.3386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:55 on Sun 7 Dec to 18:34 on Mon 8 Dec.", "fact": "2025-12-07T12:55:21Z → 2025-12-08T10:33:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:26 on the 7th and 21:35 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 not on the 8th.", "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 1791 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2025: Sunday 7 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-07", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2025 falls on Sunday 7 December. Caturthī runs from 20:55 on Sun 7 Dec to 18:34 on Mon 8 Dec, and is current at moonrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/sankashta-chaturthi?on=2025-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-12-15", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27939, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-12-14T21:20:15+08:00", "utc": "2025-12-14T13:20:15Z", "ms": 1765718415474.8242 }, "end": { "local": "2025-12-15T23:50:31+08:00", "utc": "2025-12-15T15:50:31Z", "ms": 1765813830958.9023 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-14T21:20:15+08:00", "utc": "2025-12-14T13:20:15Z", "ms": 1765718415474.8242 }, "end": { "local": "2025-12-15T23:50:31+08:00", "utc": "2025-12-15T15:50:31Z", "ms": 1765813830958.9023 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-15", "window": { "start": { "local": "2025-12-15T07:35:34+08:00", "utc": "2025-12-14T23:35:34Z", "ms": 1765755334050.8452 }, "end": { "local": "2025-12-15T07:35:34+08:00", "utc": "2025-12-14T23:35:34Z", "ms": 1765755334050.8452 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-12-16", "window": { "start": { "local": "2025-12-16T07:36:10+08:00", "utc": "2025-12-15T23:36:10Z", "ms": 1765841770318.3013 }, "end": { "local": "2025-12-16T07:36:10+08:00", "utc": "2025-12-15T23:36:10Z", "ms": 1765841770318.3013 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:20 on Sun 14 Dec to 23:51 on Mon 15 Dec.", "fact": "2025-12-14T13:20:15Z → 2025-12-15T15:50:31Z" }, { "step": "kaala", "text": "Sunrise is at 07:36 on the 15th and 07:36 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27939 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Zunyi, 2025: Monday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-15", "confidence": "determinate" } ], "quote": "In Zunyi, Saphalā Ekādaśī 2025 falls on Monday 15 December. Ekādaśī runs from 21:20 on Sun 14 Dec to 23:51 on Mon 15 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/pradosha-vrata?on=2025-12-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23958, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-12-17T02:27:54+08:00", "utc": "2025-12-16T18:27:54Z", "ms": 1765909673959.8506 }, "end": { "local": "2025-12-18T05:03:09+08:00", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-17T02:27:54+08:00", "utc": "2025-12-16T18:27:54Z", "ms": 1765909673959.8506 }, "end": { "local": "2025-12-18T05:03:09+08:00", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-16", "window": { "start": { "local": "2025-12-16T17:59:39+08:00", "utc": "2025-12-16T09:59:39Z", "ms": 1765879179277.6357 }, "end": { "local": "2025-12-16T19:48:36+08:00", "utc": "2025-12-16T11:48:36Z", "ms": 1765885716128.3706 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2025-12-17", "window": { "start": { "local": "2025-12-17T18:00:03+08:00", "utc": "2025-12-17T10:00:03Z", "ms": 1765965603057.3506 }, "end": { "local": "2025-12-17T19:49:01+08:00", "utc": "2025-12-17T11:49:01Z", "ms": 1765972141320.114 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:28 on Wed 17 Dec to 05:03 on Thu 18 Dec.", "fact": "2025-12-16T18:27:54Z → 2025-12-17T21:03:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:49 on the 16th, 18:00–19:49 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 16th and 109 of 109 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 23958 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2025: Wednesday 17 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": "2025-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-17", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2025 falls on Wednesday 17 December. Trayodaśī runs from 02:28 on Wed 17 Dec to 05:03 on Thu 18 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2025/pradosha-vrata?on=2025-12-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/shivaratri?on=2025-12-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13828, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-12-18T05:03:09+08:00", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "end": { "local": "2025-12-19T07:29:41+08:00", "utc": "2025-12-18T23:29:41Z", "ms": 1766100581443.6125 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-18T05:03:09+08:00", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "end": { "local": "2025-12-19T07:29:41+08:00", "utc": "2025-12-18T23:29:41Z", "ms": 1766100581443.6125 } }, "kaala": "nishita", "days": [ { "local_date": "2025-12-17", "window": { "start": { "local": "2025-12-18T00:24:42+08:00", "utc": "2025-12-17T16:24:42Z", "ms": 1765988681542.7134 }, "end": { "local": "2025-12-18T01:12:42+08:00", "utc": "2025-12-17T17:12:42Z", "ms": 1765991561542.7134 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-12-18", "window": { "start": { "local": "2025-12-19T00:25:11+08:00", "utc": "2025-12-18T16:25:11Z", "ms": 1766075110794.832 }, "end": { "local": "2025-12-19T01:13:11+08:00", "utc": "2025-12-18T17:13:11Z", "ms": 1766077990794.832 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:03 on Thu 18 Dec to 07:30 on Fri 19 Dec.", "fact": "2025-12-17T21:03:09Z → 2025-12-18T23:29:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 17th, 00:25–01:13 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13828 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2025: Thursday 18 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": "2025-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-18", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2025 falls on Thursday 18 December. Caturdaśī runs from 05:03 on Thu 18 Dec to 07:30 on Fri 19 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2025/shivaratri?on=2025-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-12-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5275, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-12-23T14:43:19+08:00", "utc": "2025-12-23T06:43:19Z", "ms": 1766472199333.3228 }, "end": { "local": "2025-12-24T15:41:35+08:00", "utc": "2025-12-24T07:41:35Z", "ms": 1766562095361.3604 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-23T14:43:19+08:00", "utc": "2025-12-23T06:43:19Z", "ms": 1766472199333.3228 }, "end": { "local": "2025-12-24T15:41:35+08:00", "utc": "2025-12-24T07:41:35Z", "ms": 1766562095361.3604 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-12-23", "window": { "start": { "local": "2025-12-23T12:27:25+08:00", "utc": "2025-12-23T04:27:25Z", "ms": 1766464044559.734 }, "end": { "local": "2025-12-23T13:15:25+08:00", "utc": "2025-12-23T05:15:25Z", "ms": 1766466924559.734 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-12-24", "window": { "start": { "local": "2025-12-24T12:27:55+08:00", "utc": "2025-12-24T04:27:55Z", "ms": 1766550474711.0054 }, "end": { "local": "2025-12-24T13:15:55+08:00", "utc": "2025-12-24T05:15:55Z", "ms": 1766553354711.0054 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:43 on Tue 23 Dec to 15:42 on Wed 24 Dec.", "fact": "2025-12-23T06:43:19Z → 2025-12-24T07:41:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 23rd, 12:28–13:16 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5275 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2025: Wednesday 24 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": "2025-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-24", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2025 falls on Wednesday 24 December. Caturthī runs from 14:43 on Tue 23 Dec to 15:42 on Wed 24 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2025/vinayaka-chaturthi?on=2025-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2025/ekadashi?on=2025-12-30", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2025, "local_date": "2025-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 717, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-12-30T10:21:37+08:00", "utc": "2025-12-30T02:21:37Z", "ms": 1767061296869.5928 }, "end": { "local": "2025-12-31T07:31:04+08:00", "utc": "2025-12-30T23:31:04Z", "ms": 1767137463680.8945 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-30T10:21:37+08:00", "utc": "2025-12-30T02:21:37Z", "ms": 1767061296869.5928 }, "end": { "local": "2025-12-31T07:31:04+08:00", "utc": "2025-12-30T23:31:04Z", "ms": 1767137463680.8945 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-30", "window": { "start": { "local": "2025-12-30T07:42:42+08:00", "utc": "2025-12-29T23:42:42Z", "ms": 1767051762434.855 }, "end": { "local": "2025-12-30T07:42:42+08:00", "utc": "2025-12-29T23:42:42Z", "ms": 1767051762434.855 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-12-31", "window": { "start": { "local": "2025-12-31T07:43:01+08:00", "utc": "2025-12-30T23:43:01Z", "ms": 1767138180760.9001 }, "end": { "local": "2025-12-31T07:43:01+08:00", "utc": "2025-12-30T23:43:01Z", "ms": 1767138180760.9001 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:22 on Tue 30 Dec to 07:31 on Wed 31 Dec.", "fact": "2025-12-30T02:21:37Z → 2025-12-30T23:31:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:43 on the 30th and 07:43 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 not on the 31st.", "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 717 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2025: Tuesday 30 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-30", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2025 falls on Tuesday 30 December. Ekādaśī runs from 10:22 on Tue 30 Dec to 07:31 on Wed 31 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2025/ekadashi?on=2025-12-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }