{ "id": "/zunyi/festivals/1988", "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": 1988, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-01-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34238, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-01-01T05:26:42+08:00", "utc": "1987-12-31T21:26:42Z", "ms": 567984401565.1191 }, "end": { "local": "1988-01-02T06:29:21+08:00", "utc": "1988-01-01T22:29:21Z", "ms": 568074561025.1398 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-01-01T05:26:42+08:00", "utc": "1987-12-31T21:26:42Z", "ms": 567984401565.1191 }, "end": { "local": "1988-01-02T06:29:21+08:00", "utc": "1988-01-01T22:29:21Z", "ms": 568074561025.1398 } }, "kaala": "pradosha", "days": [ { "local_date": "1987-12-31", "window": { "start": { "local": "1987-12-31T18:07:17+08:00", "utc": "1987-12-31T10:07:17Z", "ms": 567943636692.8842 }, "end": { "local": "1987-12-31T19:56:04+08:00", "utc": "1987-12-31T11:56:04Z", "ms": 567950163899.8586 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1988-01-01", "window": { "start": { "local": "1988-01-01T18:07:55+08:00", "utc": "1988-01-01T10:07:55Z", "ms": 568030075455.9794 }, "end": { "local": "1988-01-01T19:56:40+08:00", "utc": "1988-01-01T11:56:40Z", "ms": 568036599575.3134 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:27 on Fri 1 Jan to 06:29 on Sat 2 Jan.", "fact": "1987-12-31T21:26:42Z → 1988-01-01T22:29:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:56 on the 31st, 18:08–19:57 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 31st and 109 of 109 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34238 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Friday 1 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-01", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Friday 1 January. Trayodaśī runs from 05:27 on Fri 1 Jan to 06:29 on Sat 2 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/sankashta-chaturthi?on=1988-01-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8604, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-01-07T16:50:22+08:00", "utc": "1988-01-07T08:50:22Z", "ms": 568543822089.5142 }, "end": { "local": "1988-01-08T19:34:31+08:00", "utc": "1988-01-08T11:34:31Z", "ms": 568640070944.432 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-07T16:50:22+08:00", "utc": "1988-01-07T08:50:22Z", "ms": 568543822089.5142 }, "end": { "local": "1988-01-08T19:34:31+08:00", "utc": "1988-01-08T11:34:31Z", "ms": 568640070944.432 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-01-07", "window": { "start": { "local": "1988-01-07T21:04:47+08:00", "utc": "1988-01-07T13:04:47Z", "ms": 568559086606.9778 }, "end": { "local": "1988-01-07T21:04:47+08:00", "utc": "1988-01-07T13:04:47Z", "ms": 568559086606.9778 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-01-08", "window": { "start": { "local": "1988-01-08T21:57:55+08:00", "utc": "1988-01-08T13:57:55Z", "ms": 568648674579.5004 }, "end": { "local": "1988-01-08T21:57:55+08:00", "utc": "1988-01-08T13:57:55Z", "ms": 568648674579.5004 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:50 on Thu 7 Jan to 19:35 on Fri 8 Jan.", "fact": "1988-01-07T08:50:22Z → 1988-01-08T11:34:31Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 7th and 21:58 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8604 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Thursday 7 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": "1988-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-07", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Thursday 7 January. Caturthī runs from 16:50 on Thu 7 Jan to 19:35 on Fri 8 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19654, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-02-13T12:43:38+08:00", "utc": "1988-02-13T04:43:38Z", "ms": 571725817517.5924 } }, "span": { "of": "transit", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 } }, "kaala": "sunset-day", "days": [ { "local_date": "1988-01-14", "window": { "start": { "local": "1988-01-13T18:16:46+08:00", "utc": "1988-01-13T10:16:46Z", "ms": 569067406077.9092 }, "end": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1988-01-15", "window": { "start": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 }, "end": { "local": "1988-01-15T18:18:21+08:00", "utc": "1988-01-15T10:18:21Z", "ms": 569240301402.8735 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1988-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:45 on Thu 14 Jan.", "fact": "1988-01-14T15:45:07Z · 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 18:18.", "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 14th and the 15th.", "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 19654 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Zunyi, 1988: Thursday 14 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": "1988-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1988-01-13", "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": "1988-01-13", "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 1988 falls on Thursday 14 January. It is kept the day before Pongal, which falls on Friday 15 January. The Sun enters Makara at 23:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 893, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-02-13T12:43:38+08:00", "utc": "1988-02-13T04:43:38Z", "ms": 571725817517.5924 } }, "span": { "of": "transit", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 } }, "kaala": "civil-day", "days": [ { "local_date": "1988-01-14", "window": { "start": { "local": "1988-01-14T00:00:00+08:00", "utc": "1988-01-13T16:00:00Z", "ms": 569088000000 }, "end": { "local": "1988-01-15T00:00:00+08:00", "utc": "1988-01-14T16:00:00Z", "ms": 569174400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1988-01-15", "window": { "start": { "local": "1988-01-15T00:00:00+08:00", "utc": "1988-01-14T16:00:00Z", "ms": 569174400000 }, "end": { "local": "1988-01-16T00:00:00+08:00", "utc": "1988-01-15T16:00:00Z", "ms": 569260800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:45 on Thu 14 Jan.", "fact": "1988-01-14T15:45:07Z · 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 15th.", "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 893 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Zunyi, 1988: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1988-01-14", "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": "1988-01-15", "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 1988 falls on Thursday 14 January. The Sun enters Makara at 23:45 on Thu 14 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 January.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19654, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-02-13T12:43:38+08:00", "utc": "1988-02-13T04:43:38Z", "ms": 571725817517.5924 } }, "span": { "of": "transit", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 } }, "kaala": "sunset-day", "days": [ { "local_date": "1988-01-14", "window": { "start": { "local": "1988-01-13T18:16:46+08:00", "utc": "1988-01-13T10:16:46Z", "ms": 569067406077.9092 }, "end": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1988-01-15", "window": { "start": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 }, "end": { "local": "1988-01-15T18:18:21+08:00", "utc": "1988-01-15T10:18:21Z", "ms": 569240301402.8735 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:45 on Thu 14 Jan.", "fact": "1988-01-14T15:45:07Z · 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 18:18.", "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 14th and the 15th.", "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 19654 s" }, { "step": "ruling", "text": "Pongal, Zunyi, 1988: Friday 15 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": "1988-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1988-01-14", "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": "1988-01-14", "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 1988 falls on Friday 15 January. The Sun enters Makara at 23:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-01-15", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16489, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-01-15T03:09:57+08:00", "utc": "1988-01-14T19:09:57Z", "ms": 569185796732.9775 }, "end": { "local": "1988-01-16T01:40:09+08:00", "utc": "1988-01-15T17:40:09Z", "ms": 569266808697.6221 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-15T03:09:57+08:00", "utc": "1988-01-14T19:09:57Z", "ms": 569185796732.9775 }, "end": { "local": "1988-01-16T01:40:09+08:00", "utc": "1988-01-15T17:40:09Z", "ms": 569266808697.6221 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-01-15", "window": { "start": { "local": "1988-01-15T07:44:45+08:00", "utc": "1988-01-14T23:44:45Z", "ms": 569202285307.8732 }, "end": { "local": "1988-01-15T07:44:45+08:00", "utc": "1988-01-14T23:44:45Z", "ms": 569202285307.8732 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-01-16", "window": { "start": { "local": "1988-01-16T07:44:41+08:00", "utc": "1988-01-15T23:44:41Z", "ms": 569288680552.5547 }, "end": { "local": "1988-01-16T07:44:41+08:00", "utc": "1988-01-15T23:44:41Z", "ms": 569288680552.5547 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:10 on Fri 15 Jan to 01:40 on Sat 16 Jan.", "fact": "1988-01-14T19:09:57Z → 1988-01-15T17:40:09Z" }, { "step": "kaala", "text": "Sunrise is at 07:45 on the 15th and 07:45 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 16489 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Zunyi, 1988: Friday 15 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": "1988-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-15", "confidence": "determinate" } ], "quote": "In Zunyi, Ṣaṭtilā Ekādaśī 1988 falls on Friday 15 January. Ekādaśī runs from 03:10 on Fri 15 Jan to 01:40 on Sat 16 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19654, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-02-13T12:43:38+08:00", "utc": "1988-02-13T04:43:38Z", "ms": 571725817517.5924 } }, "span": { "of": "transit", "start": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 }, "end": { "local": "1988-01-14T23:45:07+08:00", "utc": "1988-01-14T15:45:07Z", "ms": 569173507137.3358 } }, "kaala": "sunset-day", "days": [ { "local_date": "1988-01-14", "window": { "start": { "local": "1988-01-13T18:16:46+08:00", "utc": "1988-01-13T10:16:46Z", "ms": 569067406077.9092 }, "end": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1988-01-15", "window": { "start": { "local": "1988-01-14T18:17:34+08:00", "utc": "1988-01-14T10:17:34Z", "ms": 569153853579.6243 }, "end": { "local": "1988-01-15T18:18:21+08:00", "utc": "1988-01-15T10:18:21Z", "ms": 569240301402.8735 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1988-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:45 on Thu 14 Jan.", "fact": "1988-01-14T15:45:07Z · 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 18:18.", "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 14th and the 15th.", "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 19654 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Zunyi, 1988: Saturday 16 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": "1988-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1988-01-15", "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": "1988-01-15", "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 1988 falls on Saturday 16 January. It is kept the day after Pongal, which falls on Friday 15 January. The Sun enters Makara at 23:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-01-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1290, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-01-16T23:23:37+08:00", "utc": "1988-01-16T15:23:37Z", "ms": 569345016876.4985 }, "end": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-16T23:23:37+08:00", "utc": "1988-01-16T15:23:37Z", "ms": 569345016876.4985 }, "end": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-01-16", "window": { "start": { "local": "1988-01-16T18:19:10+08:00", "utc": "1988-01-16T10:19:10Z", "ms": 569326749506.6327 }, "end": { "local": "1988-01-16T20:06:33+08:00", "utc": "1988-01-16T12:06:33Z", "ms": 569333192803.0636 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1988-01-17", "window": { "start": { "local": "1988-01-17T18:19:58+08:00", "utc": "1988-01-17T10:19:58Z", "ms": 569413197848.9797 }, "end": { "local": "1988-01-17T20:07:14+08:00", "utc": "1988-01-17T12:07:14Z", "ms": 569419633647.6259 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:24 on Sat 16 Jan to 20:29 on Sun 17 Jan.", "fact": "1988-01-16T15:23:37Z → 1988-01-17T12:28:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:07 on the 16th, 18:20–20:07 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 107 minutes on the 16th and 107 of 107 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 1290 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Sunday 17 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": "1988-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-17", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Sunday 17 January. Trayodaśī runs from 23:24 on Sat 16 Jan to 20:29 on Sun 17 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-01-17", "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/1988/shivaratri?on=1988-01-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14968, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 }, "end": { "local": "1988-01-18T17:05:41+08:00", "utc": "1988-01-18T09:05:41Z", "ms": 569495141004.7189 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 }, "end": { "local": "1988-01-18T17:05:41+08:00", "utc": "1988-01-18T09:05:41Z", "ms": 569495141004.7189 } }, "kaala": "nishita", "days": [ { "local_date": "1988-01-17", "window": { "start": { "local": "1988-01-18T00:38:12+08:00", "utc": "1988-01-17T16:38:12Z", "ms": 569435892093.9026 }, "end": { "local": "1988-01-18T01:26:12+08:00", "utc": "1988-01-17T17:26:12Z", "ms": 569438772093.9026 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-01-18", "window": { "start": { "local": "1988-01-19T00:38:32+08:00", "utc": "1988-01-18T16:38:32Z", "ms": 569522311632.7522 }, "end": { "local": "1988-01-19T01:26:32+08:00", "utc": "1988-01-18T17:26:32Z", "ms": 569525191632.7522 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:29 on Sun 17 Jan to 17:06 on Mon 18 Jan.", "fact": "1988-01-17T12:28:44Z → 1988-01-18T09:05:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 17th, 00:39–01:27 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14968 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Sunday 17 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": "1988-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-17", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Sunday 17 January. Caturdaśī runs from 20:29 on Sun 17 Jan to 17:06 on Mon 18 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-01-17", "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/1988/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33675, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 }, "end": { "local": "1988-01-18T17:05:41+08:00", "utc": "1988-01-18T09:05:41Z", "ms": 569495141004.7189 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-17T20:28:44+08:00", "utc": "1988-01-17T12:28:44Z", "ms": 569420923798.728 }, "end": { "local": "1988-01-18T17:05:41+08:00", "utc": "1988-01-18T09:05:41Z", "ms": 569495141004.7189 } }, "kaala": "arunodaya", "days": [ { "local_date": "1988-01-17", "window": { "start": { "local": "1988-01-17T05:57:11+08:00", "utc": "1988-01-16T21:57:11Z", "ms": 569368630933.4337 }, "end": { "local": "1988-01-17T07:44:34+08:00", "utc": "1988-01-16T23:44:34Z", "ms": 569375074229.8646 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1988-01-18", "window": { "start": { "local": "1988-01-18T05:57:11+08:00", "utc": "1988-01-17T21:57:11Z", "ms": 569455030540.1794 }, "end": { "local": "1988-01-18T07:44:26+08:00", "utc": "1988-01-17T23:44:26Z", "ms": 569461466338.8256 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:29 on Sun 17 Jan to 17:06 on Mon 18 Jan.", "fact": "1988-01-17T12:28:44Z → 1988-01-18T09:05:41Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:57–07:45 on the 17th, 05:57–07:44 on the 18th.", "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 107 minutes on the 17th and 107 of 107 on the 18th.", "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 33675 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Zunyi, 1988: Monday 18 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": "1988-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-18", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Tarpaṇa 1988 falls on Monday 18 January. Caturdaśī runs from 20:29 on Sun 17 Jan to 17:06 on Mon 18 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36289, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-01-22T02:35:02+08:00", "utc": "1988-01-21T18:35:02Z", "ms": 569788501739.9845 }, "end": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-22T02:35:02+08:00", "utc": "1988-01-21T18:35:02Z", "ms": 569788501739.9845 }, "end": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-01-22", "window": { "start": { "local": "1988-01-22T12:39:50+08:00", "utc": "1988-01-22T04:39:50Z", "ms": 569824790368.0872 }, "end": { "local": "1988-01-22T13:27:50+08:00", "utc": "1988-01-22T05:27:50Z", "ms": 569827670368.0872 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-01-23", "window": { "start": { "local": "1988-01-23T12:40:07+08:00", "utc": "1988-01-23T04:40:07Z", "ms": 569911206952.1716 }, "end": { "local": "1988-01-23T13:28:07+08:00", "utc": "1988-01-23T05:28:07Z", "ms": 569914086952.1716 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:35 on Fri 22 Jan to 23:36 on Fri 22 Jan.", "fact": "1988-01-21T18:35:02Z → 1988-01-22T15:35:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 22nd, 12:40–13:28 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 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 36289 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Zunyi, 1988: Friday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-22", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1988 falls on Friday 22 January. Caturthī runs from 02:35 on Fri 22 Jan to 23:36 on Fri 22 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12294, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-01-22T02:35:02+08:00", "utc": "1988-01-21T18:35:02Z", "ms": 569788501739.9845 }, "end": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-22T02:35:02+08:00", "utc": "1988-01-21T18:35:02Z", "ms": 569788501739.9845 }, "end": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-01-21", "window": { "start": { "local": "1988-01-21T18:23:13+08:00", "utc": "1988-01-21T10:23:13Z", "ms": 569758992751.878 }, "end": { "local": "1988-01-21T20:09:56+08:00", "utc": "1988-01-21T12:09:56Z", "ms": 569765396262.5938 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1988-01-22", "window": { "start": { "local": "1988-01-22T18:24:02+08:00", "utc": "1988-01-22T10:24:02Z", "ms": 569845441653.9282 }, "end": { "local": "1988-01-22T20:10:37+08:00", "utc": "1988-01-22T12:10:37Z", "ms": 569851836547.3168 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:35 on Fri 22 Jan to 23:36 on Fri 22 Jan.", "fact": "1988-01-21T18:35:02Z → 1988-01-22T15:35:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–20:10 on the 21st, 18:24–20:11 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 107 minutes on the 21st and 107 of 107 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12294 s" }, { "step": "ruling", "text": "Tila Caturthī, Zunyi, 1988: Friday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-22", "confidence": "determinate" } ], "quote": "In Zunyi, Tila Caturthī 1988 falls on Friday 22 January. Caturthī runs from 02:35 on Fri 22 Jan to 23:36 on Fri 22 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27625, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "end": { "local": "1988-01-23T21:08:32+08:00", "utc": "1988-01-23T13:08:32Z", "ms": 569941712309.7238 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "end": { "local": "1988-01-23T21:08:32+08:00", "utc": "1988-01-23T13:08:32Z", "ms": 569941712309.7238 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-01-22", "window": { "start": { "local": "1988-01-22T12:39:50+08:00", "utc": "1988-01-22T04:39:50Z", "ms": 569824790368.0872 }, "end": { "local": "1988-01-22T13:27:50+08:00", "utc": "1988-01-22T05:27:50Z", "ms": 569827670368.0872 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-01-23", "window": { "start": { "local": "1988-01-23T12:40:07+08:00", "utc": "1988-01-23T04:40:07Z", "ms": 569911206952.1716 }, "end": { "local": "1988-01-23T13:28:07+08:00", "utc": "1988-01-23T05:28:07Z", "ms": 569914086952.1716 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:36 on Fri 22 Jan to 21:09 on Sat 23 Jan.", "fact": "1988-01-22T15:35:30Z → 1988-01-23T13:08:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 22nd, 12:40–13:28 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27625 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Zunyi, 1988: Saturday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Pañcamī 1988 falls on Saturday 23 January. Pañcamī runs from 23:36 on Fri 22 Jan to 21:09 on Sat 23 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27625, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "end": { "local": "1988-01-23T21:08:32+08:00", "utc": "1988-01-23T13:08:32Z", "ms": 569941712309.7238 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-22T23:35:30+08:00", "utc": "1988-01-22T15:35:30Z", "ms": 569864130379.4738 }, "end": { "local": "1988-01-23T21:08:32+08:00", "utc": "1988-01-23T13:08:32Z", "ms": 569941712309.7238 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-01-22", "window": { "start": { "local": "1988-01-22T12:39:50+08:00", "utc": "1988-01-22T04:39:50Z", "ms": 569824790368.0872 }, "end": { "local": "1988-01-22T13:27:50+08:00", "utc": "1988-01-22T05:27:50Z", "ms": 569827670368.0872 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-01-23", "window": { "start": { "local": "1988-01-23T12:40:07+08:00", "utc": "1988-01-23T04:40:07Z", "ms": 569911206952.1716 }, "end": { "local": "1988-01-23T13:28:07+08:00", "utc": "1988-01-23T05:28:07Z", "ms": 569914086952.1716 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:36 on Fri 22 Jan to 21:09 on Sat 23 Jan.", "fact": "1988-01-22T15:35:30Z → 1988-01-23T13:08:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 22nd, 12:40–13:28 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27625 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Zunyi, 1988: Saturday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-23", "confidence": "determinate" } ], "quote": "In Zunyi, Vasanta Pañcamī 1988 falls on Saturday 23 January. Pañcamī runs from 23:36 on Fri 22 Jan to 21:09 on Sat 23 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37740, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-01-24T19:19:37+08:00", "utc": "1988-01-24T11:19:37Z", "ms": 570021576816.0793 }, "end": { "local": "1988-01-25T18:11:47+08:00", "utc": "1988-01-25T10:11:47Z", "ms": 570103906987.451 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-24T19:19:37+08:00", "utc": "1988-01-24T11:19:37Z", "ms": 570021576816.0793 }, "end": { "local": "1988-01-25T18:11:47+08:00", "utc": "1988-01-25T10:11:47Z", "ms": 570103906987.451 } }, "kaala": "arunodaya", "days": [ { "local_date": "1988-01-24", "window": { "start": { "local": "1988-01-24T05:56:40+08:00", "utc": "1988-01-23T21:56:40Z", "ms": 569973400002.7847 }, "end": { "local": "1988-01-24T07:43:06+08:00", "utc": "1988-01-23T23:43:06Z", "ms": 569979786072.4437 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1988-01-25", "window": { "start": { "local": "1988-01-25T05:56:30+08:00", "utc": "1988-01-24T21:56:30Z", "ms": 570059790201.5831 }, "end": { "local": "1988-01-25T07:42:47+08:00", "utc": "1988-01-24T23:42:47Z", "ms": 570066167247.0504 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:20 on Sun 24 Jan to 18:12 on Mon 25 Jan.", "fact": "1988-01-24T11:19:37Z → 1988-01-25T10:11:47Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:57–07:43 on the 24th, 05:57–07:43 on the 25th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 106 minutes on the 24th and 106 of 106 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37740 s" }, { "step": "ruling", "text": "Ratha Saptamī, Zunyi, 1988: Monday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-25", "confidence": "determinate" } ], "quote": "In Zunyi, Ratha Saptamī 1988 falls on Monday 25 January. Saptamī runs from 19:20 on Sun 24 Jan to 18:12 on Mon 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-01-29", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39972, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-01-28T18:47:53+08:00", "utc": "1988-01-28T10:47:53Z", "ms": 570365273348.3177 }, "end": { "local": "1988-01-29T20:07:40+08:00", "utc": "1988-01-29T12:07:40Z", "ms": 570456460034.9958 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-28T18:47:53+08:00", "utc": "1988-01-28T10:47:53Z", "ms": 570365273348.3177 }, "end": { "local": "1988-01-29T20:07:40+08:00", "utc": "1988-01-29T12:07:40Z", "ms": 570456460034.9958 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-01-28", "window": { "start": { "local": "1988-01-28T07:41:42+08:00", "utc": "1988-01-27T23:41:42Z", "ms": 570325301648.6738 }, "end": { "local": "1988-01-28T07:41:42+08:00", "utc": "1988-01-27T23:41:42Z", "ms": 570325301648.6738 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-01-29", "window": { "start": { "local": "1988-01-29T07:41:17+08:00", "utc": "1988-01-28T23:41:17Z", "ms": 570411676796.6099 }, "end": { "local": "1988-01-29T07:41:17+08:00", "utc": "1988-01-28T23:41:17Z", "ms": 570411676796.6099 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:48 on Thu 28 Jan to 20:08 on Fri 29 Jan.", "fact": "1988-01-28T10:47:53Z → 1988-01-29T12:07:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 28th and 07:41 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39972 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Zunyi, 1988: Friday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-29", "confidence": "determinate" } ], "quote": "In Zunyi, Jayā Ekādaśī 1988 falls on Friday 29 January. Ekādaśī runs from 18:48 on Thu 28 Jan to 20:08 on Fri 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23891, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-01-29T20:07:40+08:00", "utc": "1988-01-29T12:07:40Z", "ms": 570456460034.9958 }, "end": { "local": "1988-01-30T21:52:49+08:00", "utc": "1988-01-30T13:52:49Z", "ms": 570549169042.6569 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-29T20:07:40+08:00", "utc": "1988-01-29T12:07:40Z", "ms": 570456460034.9958 }, "end": { "local": "1988-01-30T21:52:49+08:00", "utc": "1988-01-30T13:52:49Z", "ms": 570549169042.6569 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-01-29", "window": { "start": { "local": "1988-01-29T12:41:29+08:00", "utc": "1988-01-29T04:41:29Z", "ms": 570429689426.669 }, "end": { "local": "1988-01-29T13:29:29+08:00", "utc": "1988-01-29T05:29:29Z", "ms": 570432569426.669 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-01-30", "window": { "start": { "local": "1988-01-30T12:41:40+08:00", "utc": "1988-01-30T04:41:40Z", "ms": 570516100283.2803 }, "end": { "local": "1988-01-30T13:29:40+08:00", "utc": "1988-01-30T05:29:40Z", "ms": 570518980283.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:08 on Fri 29 Jan to 21:53 on Sat 30 Jan.", "fact": "1988-01-29T12:07:40Z → 1988-01-30T13:52:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 29th, 12:42–13:30 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23891 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Zunyi, 1988: Saturday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-30", "confidence": "determinate" } ], "quote": "In Zunyi, Bhīṣma Dvādaśī 1988 falls on Saturday 30 January. Dvādaśī runs from 20:08 on Fri 29 Jan to 21:53 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-01-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5820, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-01-30T21:52:49+08:00", "utc": "1988-01-30T13:52:49Z", "ms": 570549169042.6569 }, "end": { "local": "1988-01-31T23:58:14+08:00", "utc": "1988-01-31T15:58:14Z", "ms": 570643094057.7551 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-01-30T21:52:49+08:00", "utc": "1988-01-30T13:52:49Z", "ms": 570549169042.6569 }, "end": { "local": "1988-01-31T23:58:14+08:00", "utc": "1988-01-31T15:58:14Z", "ms": 570643094057.7551 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-01-30", "window": { "start": { "local": "1988-01-30T18:30:30+08:00", "utc": "1988-01-30T10:30:30Z", "ms": 570537030084.3303 }, "end": { "local": "1988-01-30T20:15:49+08:00", "utc": "1988-01-30T12:15:49Z", "ms": 570543349103.149 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1988-01-31", "window": { "start": { "local": "1988-01-31T18:31:18+08:00", "utc": "1988-01-31T10:31:18Z", "ms": 570623477894.2644 }, "end": { "local": "1988-01-31T20:16:27+08:00", "utc": "1988-01-31T12:16:27Z", "ms": 570629786647.9762 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:53 on Sat 30 Jan to 23:58 on Sun 31 Jan.", "fact": "1988-01-30T13:52:49Z → 1988-01-31T15:58:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:16 on the 30th, 18:31–20:16 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 30th and 105 of 105 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5820 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Sunday 31 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": "1988-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-01-31", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Sunday 31 January. Trayodaśī runs from 21:53 on Sat 30 Jan to 23:58 on Sun 31 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28246, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-02-02T02:19:16+08:00", "utc": "1988-02-01T18:19:16Z", "ms": 570737955844.0411 }, "end": { "local": "1988-02-03T04:51:30+08:00", "utc": "1988-02-02T20:51:30Z", "ms": 570833489540.7388 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1988-02-02T02:19:16+08:00", "utc": "1988-02-01T18:19:16Z", "ms": 570737955844.0411 }, "end": { "local": "1988-02-03T04:51:30+08:00", "utc": "1988-02-02T20:51:30Z", "ms": 570833489540.7388 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-02-02", "window": { "start": { "local": "1988-02-02T12:42:08+08:00", "utc": "1988-02-02T04:42:08Z", "ms": 570775327879.9623 }, "end": { "local": "1988-02-02T13:30:08+08:00", "utc": "1988-02-02T05:30:08Z", "ms": 570778207879.9623 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-02-03", "window": { "start": { "local": "1988-02-03T12:42:15+08:00", "utc": "1988-02-03T04:42:15Z", "ms": 570861735429.3894 }, "end": { "local": "1988-02-03T13:30:15+08:00", "utc": "1988-02-03T05:30:15Z", "ms": 570864615429.3894 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:19 on Tue 2 Feb to 04:51 on Wed 3 Feb.", "fact": "1988-02-01T18:19:16Z → 1988-02-02T20:51:30Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28246 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Zunyi, 1988: Tuesday 2 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": "1988-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-02", "confidence": "determinate" } ], "quote": "In Zunyi, Māghī Pūrṇimā 1988 falls on Tuesday 2 February. Pūrṇimā runs from 02:19 on Tue 2 Feb to 04:51 on Wed 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-02-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26847, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-02-06T12:43:17+08:00", "utc": "1988-02-06T04:43:17Z", "ms": 571120997458.8384 }, "end": { "local": "1988-02-07T15:02:08+08:00", "utc": "1988-02-07T07:02:08Z", "ms": 571215727951.3853 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-06T12:43:17+08:00", "utc": "1988-02-06T04:43:17Z", "ms": 571120997458.8384 }, "end": { "local": "1988-02-07T15:02:08+08:00", "utc": "1988-02-07T07:02:08Z", "ms": 571215727951.3853 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-02-06", "window": { "start": { "local": "1988-02-06T21:37:09+08:00", "utc": "1988-02-06T13:37:09Z", "ms": 571153028838.8309 }, "end": { "local": "1988-02-06T21:37:09+08:00", "utc": "1988-02-06T13:37:09Z", "ms": 571153028838.8309 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-02-07", "window": { "start": { "local": "1988-02-07T22:29:35+08:00", "utc": "1988-02-07T14:29:35Z", "ms": 571242575071.6564 }, "end": { "local": "1988-02-07T22:29:35+08:00", "utc": "1988-02-07T14:29:35Z", "ms": 571242575071.6564 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:43 on Sat 6 Feb to 15:02 on Sun 7 Feb.", "fact": "1988-02-06T04:43:17Z → 1988-02-07T07:02:08Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 6th and 22:30 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "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 26847 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Saturday 6 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": "1988-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-06", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Saturday 6 February. Caturthī runs from 12:43 on Sat 6 Feb to 15:02 on Sun 7 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-02-14", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22640, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-02-13T16:13:34+08:00", "utc": "1988-02-13T08:13:34Z", "ms": 571738414318.3534 }, "end": { "local": "1988-02-14T13:48:55+08:00", "utc": "1988-02-14T05:48:55Z", "ms": 571816135194.2045 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-13T16:13:34+08:00", "utc": "1988-02-13T08:13:34Z", "ms": 571738414318.3534 }, "end": { "local": "1988-02-14T13:48:55+08:00", "utc": "1988-02-14T05:48:55Z", "ms": 571816135194.2045 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-02-13", "window": { "start": { "local": "1988-02-13T07:32:21+08:00", "utc": "1988-02-12T23:32:21Z", "ms": 571707140894.3392 }, "end": { "local": "1988-02-13T07:32:21+08:00", "utc": "1988-02-12T23:32:21Z", "ms": 571707140894.3392 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-02-14", "window": { "start": { "local": "1988-02-14T07:31:35+08:00", "utc": "1988-02-13T23:31:35Z", "ms": 571793495371.9316 }, "end": { "local": "1988-02-14T07:31:35+08:00", "utc": "1988-02-13T23:31:35Z", "ms": 571793495371.9316 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:14 on Sat 13 Feb to 13:49 on Sun 14 Feb.", "fact": "1988-02-13T08:13:34Z → 1988-02-14T05:48:55Z" }, { "step": "kaala", "text": "Sunrise is at 07:32 on the 13th and 07:32 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "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 22640 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Zunyi, 1988: Sunday 14 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": "1988-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-14", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Ekādaśī 1988 falls on Sunday 14 February. Ekādaśī runs from 16:14 on Sat 13 Feb to 13:49 on Sun 14 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-02-14", "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/1988/pradosha-vrata?on=1988-02-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28405, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-02-15T10:49:15+08:00", "utc": "1988-02-15T02:49:15Z", "ms": 571891754599.075 }, "end": { "local": "1988-02-16T07:23:29+08:00", "utc": "1988-02-15T23:23:29Z", "ms": 571965809358.7913 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-15T10:49:15+08:00", "utc": "1988-02-15T02:49:15Z", "ms": 571891754599.075 }, "end": { "local": "1988-02-16T07:23:29+08:00", "utc": "1988-02-15T23:23:29Z", "ms": 571965809358.7913 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-02-15", "window": { "start": { "local": "1988-02-15T18:42:40+08:00", "utc": "1988-02-15T10:42:40Z", "ms": 571920159623.5663 }, "end": { "local": "1988-02-15T20:24:58+08:00", "utc": "1988-02-15T12:24:58Z", "ms": 571926298487.0547 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1988-02-16", "window": { "start": { "local": "1988-02-16T18:43:22+08:00", "utc": "1988-02-16T10:43:22Z", "ms": 572006602265.8295 }, "end": { "local": "1988-02-16T20:25:29+08:00", "utc": "1988-02-16T12:25:29Z", "ms": 572012728949.9639 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:49 on Mon 15 Feb to 07:23 on Tue 16 Feb.", "fact": "1988-02-15T02:49:15Z → 1988-02-15T23:23:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:25 on the 15th, 18:43–20:25 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 15th and 0 of 102 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28405 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Monday 15 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": "1988-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-15", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Monday 15 February. Trayodaśī runs from 10:49 on Mon 15 Feb to 07:23 on Tue 16 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7882, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-02-16T07:23:29+08:00", "utc": "1988-02-15T23:23:29Z", "ms": 571965809358.7913 }, "end": { "local": "1988-02-17T03:41:39+08:00", "utc": "1988-02-16T19:41:39Z", "ms": 572038899372.6372 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-16T07:23:29+08:00", "utc": "1988-02-15T23:23:29Z", "ms": 571965809358.7913 }, "end": { "local": "1988-02-17T03:41:39+08:00", "utc": "1988-02-16T19:41:39Z", "ms": 572038899372.6372 } }, "kaala": "nishita", "days": [ { "local_date": "1988-02-15", "window": { "start": { "local": "1988-02-16T00:42:20+08:00", "utc": "1988-02-15T16:42:20Z", "ms": 571941740361.6477 }, "end": { "local": "1988-02-16T01:30:20+08:00", "utc": "1988-02-15T17:30:20Z", "ms": 571944620361.6477 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-02-16", "window": { "start": { "local": "1988-02-17T00:42:17+08:00", "utc": "1988-02-16T16:42:17Z", "ms": 572028137331.3337 }, "end": { "local": "1988-02-17T01:30:17+08:00", "utc": "1988-02-16T17:30:17Z", "ms": 572031017331.3337 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:23 on Tue 16 Feb to 03:42 on Wed 17 Feb.", "fact": "1988-02-15T23:23:29Z → 1988-02-16T19:41:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:42–01:30 on the 15th, 00:42–01:30 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 7882 s" }, { "step": "ruling", "text": "Mahāśivarātri, Zunyi, 1988: Tuesday 16 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": "1988-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-16", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāśivarātri 1988 falls on Tuesday 16 February. Caturdaśī runs from 07:23 on Tue 16 Feb to 03:42 on Wed 17 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-02-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 733, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-02-20T13:42:37+08:00", "utc": "1988-02-20T05:42:37Z", "ms": 572334157159.0498 }, "end": { "local": "1988-02-21T11:13:55+08:00", "utc": "1988-02-21T03:13:55Z", "ms": 572411634752.1571 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-20T13:42:37+08:00", "utc": "1988-02-20T05:42:37Z", "ms": 572334157159.0498 }, "end": { "local": "1988-02-21T11:13:55+08:00", "utc": "1988-02-21T03:13:55Z", "ms": 572411634752.1571 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-02-20", "window": { "start": { "local": "1988-02-20T12:42:25+08:00", "utc": "1988-02-20T04:42:25Z", "ms": 572330544527.9827 }, "end": { "local": "1988-02-20T13:30:25+08:00", "utc": "1988-02-20T05:30:25Z", "ms": 572333424527.9827 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-02-21", "window": { "start": { "local": "1988-02-21T12:42:19+08:00", "utc": "1988-02-21T04:42:19Z", "ms": 572416938504.6484 }, "end": { "local": "1988-02-21T13:30:19+08:00", "utc": "1988-02-21T05:30:19Z", "ms": 572419818504.6484 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:43 on Sat 20 Feb to 11:14 on Sun 21 Feb.", "fact": "1988-02-20T05:42:37Z → 1988-02-21T03:13:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 20th, 12:42–13:30 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 733 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Sunday 21 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Sunday 21 February. Caturthī runs from 13:43 on Sat 20 Feb to 11:14 on Sun 21 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-02-21", "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/1988/ekadashi?on=1988-02-28", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15137, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-02-27T11:32:30+08:00", "utc": "1988-02-27T03:32:30Z", "ms": 572931150315.4176 }, "end": { "local": "1988-02-28T13:44:43+08:00", "utc": "1988-02-28T05:44:43Z", "ms": 573025482656.3488 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-27T11:32:30+08:00", "utc": "1988-02-27T03:32:30Z", "ms": 572931150315.4176 }, "end": { "local": "1988-02-28T13:44:43+08:00", "utc": "1988-02-28T05:44:43Z", "ms": 573025482656.3488 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-02-27", "window": { "start": { "local": "1988-02-27T07:20:14+08:00", "utc": "1988-02-26T23:20:14Z", "ms": 572916013604.5524 }, "end": { "local": "1988-02-27T07:20:14+08:00", "utc": "1988-02-26T23:20:14Z", "ms": 572916013604.5524 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-02-28", "window": { "start": { "local": "1988-02-28T07:19:15+08:00", "utc": "1988-02-27T23:19:15Z", "ms": 573002355138.0114 }, "end": { "local": "1988-02-28T07:19:15+08:00", "utc": "1988-02-27T23:19:15Z", "ms": 573002355138.0114 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:33 on Sat 27 Feb to 13:45 on Sun 28 Feb.", "fact": "1988-02-27T03:32:30Z → 1988-02-28T05:44:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:20 on the 27th and 07:19 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15137 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Zunyi, 1988: Sunday 28 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": "1988-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-28", "confidence": "determinate" } ], "quote": "In Zunyi, Āmalakī Ekādaśī 1988 falls on Sunday 28 February. Ekādaśī runs from 11:33 on Sat 27 Feb to 13:45 on Sun 28 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-02-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-02-29", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 59, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-02-29T16:14:01+08:00", "utc": "1988-02-29T08:14:01Z", "ms": 573120841347.3271 }, "end": { "local": "1988-03-01T18:51:36+08:00", "utc": "1988-03-01T10:51:36Z", "ms": 573216696409.2943 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-02-29T16:14:01+08:00", "utc": "1988-02-29T08:14:01Z", "ms": 573120841347.3271 }, "end": { "local": "1988-03-01T18:51:36+08:00", "utc": "1988-03-01T10:51:36Z", "ms": 573216696409.2943 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-02-29", "window": { "start": { "local": "1988-02-29T18:51:59+08:00", "utc": "1988-02-29T10:51:59Z", "ms": 573130318892.3059 }, "end": { "local": "1988-02-29T20:31:21+08:00", "utc": "1988-02-29T12:31:21Z", "ms": 573136281184.035 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1988-03-01", "window": { "start": { "local": "1988-03-01T18:52:36+08:00", "utc": "1988-03-01T10:52:36Z", "ms": 573216755796.4777 }, "end": { "local": "1988-03-01T20:31:45+08:00", "utc": "1988-03-01T12:31:45Z", "ms": 573222705096.8086 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:14 on Mon 29 Feb to 18:52 on Tue 1 Mar.", "fact": "1988-02-29T08:14:01Z → 1988-03-01T10:51:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:31 on the 29th, 18:53–20:32 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 29th and 0 of 99 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 59 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Monday 29 February.", "fact": "confidence: boundary (margin)" } ], "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": "1988-02-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-02-29", "confidence": "boundary" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Monday 29 February. Trayodaśī runs from 16:14 on Mon 29 Feb to 18:52 on Tue 1 Mar and covers all of pradoṣa that evening. It is 0 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-02-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9381, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-03-02T21:29:33+08:00", "utc": "1988-03-02T13:29:33Z", "ms": 573312573487.9037 }, "end": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-03-02T21:29:33+08:00", "utc": "1988-03-02T13:29:33Z", "ms": 573312573487.9037 }, "end": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 } }, "kaala": "sayahna", "days": [ { "local_date": "1988-03-02", "window": { "start": { "local": "1988-03-02T16:33:49+08:00", "utc": "1988-03-02T08:33:49Z", "ms": 573294828977.3617 }, "end": { "local": "1988-03-02T18:53:12+08:00", "utc": "1988-03-02T10:53:12Z", "ms": 573303192334.4622 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1988-03-03", "window": { "start": { "local": "1988-03-03T16:34:06+08:00", "utc": "1988-03-03T08:34:06Z", "ms": 573381245692.7153 }, "end": { "local": "1988-03-03T18:53:49+08:00", "utc": "1988-03-03T10:53:49Z", "ms": 573389628518.5333 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:30 on Wed 2 Mar to 00:01 on Fri 4 Mar.", "fact": "1988-03-02T13:29:33Z → 1988-03-03T16:01:04Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–18:53 on the 2nd, 16:34–18:54 on the 3rd.", "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 139 minutes on the 2nd and 140 of 140 on the 3rd.", "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 9381 s" }, { "step": "ruling", "text": "Holikā Dahana, Zunyi, 1988: Thursday 3 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": "1988-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-03", "confidence": "determinate" } ], "quote": "In Zunyi, Holikā Dahana 1988 falls on Thursday 3 March. Pūrṇimā runs from 21:30 on Wed 2 Mar to 00:01 on Fri 4 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9381, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-03-02T21:29:33+08:00", "utc": "1988-03-02T13:29:33Z", "ms": 573312573487.9037 }, "end": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1988-03-02T21:29:33+08:00", "utc": "1988-03-02T13:29:33Z", "ms": 573312573487.9037 }, "end": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 } }, "kaala": "sayahna", "days": [ { "local_date": "1988-03-02", "window": { "start": { "local": "1988-03-02T16:33:49+08:00", "utc": "1988-03-02T08:33:49Z", "ms": 573294828977.3617 }, "end": { "local": "1988-03-02T18:53:12+08:00", "utc": "1988-03-02T10:53:12Z", "ms": 573303192334.4622 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1988-03-03", "window": { "start": { "local": "1988-03-03T16:34:06+08:00", "utc": "1988-03-03T08:34:06Z", "ms": 573381245692.7153 }, "end": { "local": "1988-03-03T18:53:49+08:00", "utc": "1988-03-03T10:53:49Z", "ms": 573389628518.5333 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1988-03-03", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:30 on Wed 2 Mar to 00:01 on Fri 4 Mar.", "fact": "1988-03-02T13:29:33Z → 1988-03-03T16:01:04Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:34–18:53 on the 2nd, 16:34–18:54 on the 3rd.", "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 139 minutes on the 2nd and 140 of 140 on the 3rd.", "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 9381 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 3 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Zunyi, 1988: Friday 4 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": "1988-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-04", "confidence": "determinate" } ], "quote": "In Zunyi, Holī 1988 falls on Friday 4 March. It is kept the day after Holikā Dahana, which falls on Thursday 3 March. Pūrṇimā runs from 21:30 on Wed 2 Mar to 00:01 on Fri 4 Mar and covers all of sāyāhna on the 3rd.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17575, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 }, "end": { "local": "1988-03-05T02:20:15+08:00", "utc": "1988-03-04T18:20:15Z", "ms": 573502815481.0632 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-04T00:01:04+08:00", "utc": "1988-03-03T16:01:04Z", "ms": 573408064085.5171 }, "end": { "local": "1988-03-05T02:20:15+08:00", "utc": "1988-03-04T18:20:15Z", "ms": 573502815481.0632 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-03-04", "window": { "start": { "local": "1988-03-04T07:14:13+08:00", "utc": "1988-03-03T23:14:13Z", "ms": 573434052631.8628 }, "end": { "local": "1988-03-04T07:14:13+08:00", "utc": "1988-03-03T23:14:13Z", "ms": 573434052631.8628 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-03-05", "window": { "start": { "local": "1988-03-05T07:13:10+08:00", "utc": "1988-03-04T23:13:10Z", "ms": 573520390306.4006 }, "end": { "local": "1988-03-05T07:13:10+08:00", "utc": "1988-03-04T23:13:10Z", "ms": 573520390306.4006 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:01 on Fri 4 Mar to 02:20 on Sat 5 Mar.", "fact": "1988-03-03T16:01:04Z → 1988-03-04T18:20:15Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 4th and 07:13 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 4th and is not 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: purvaviddha → only-day · margin 17575 s" }, { "step": "ruling", "text": "Vasantotsava, Zunyi, 1988: Friday 4 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": "1988-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-04", "confidence": "determinate" } ], "quote": "In Zunyi, Vasantotsava 1988 falls on Friday 4 March. Pratipadā runs from 00:01 on Fri 4 Mar to 02:20 on Sat 5 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-03-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31316, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-03-07T06:00:56+08:00", "utc": "1988-03-06T22:00:56Z", "ms": 573688855573.5132 }, "end": { "local": "1988-03-08T07:12:46+08:00", "utc": "1988-03-07T23:12:46Z", "ms": 573779566123.7072 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-07T06:00:56+08:00", "utc": "1988-03-06T22:00:56Z", "ms": 573688855573.5132 }, "end": { "local": "1988-03-08T07:12:46+08:00", "utc": "1988-03-07T23:12:46Z", "ms": 573779566123.7072 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-03-06", "window": { "start": { "local": "1988-03-06T21:18:59+08:00", "utc": "1988-03-06T13:18:59Z", "ms": 573657539390.1855 }, "end": { "local": "1988-03-06T21:18:59+08:00", "utc": "1988-03-06T13:18:59Z", "ms": 573657539390.1855 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-03-07", "window": { "start": { "local": "1988-03-07T22:14:44+08:00", "utc": "1988-03-07T14:14:44Z", "ms": 573747283997.2185 }, "end": { "local": "1988-03-07T22:14:44+08:00", "utc": "1988-03-07T14:14:44Z", "ms": 573747283997.2185 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:01 on Mon 7 Mar to 07:13 on Tue 8 Mar.", "fact": "1988-03-06T22:00:56Z → 1988-03-07T23:12:46Z" }, { "step": "kaala", "text": "Moonrise is at 21:19 on the 6th and 22:15 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "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 31316 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Monday 7 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": "1988-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-07", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Monday 7 March. Caturthī runs from 06:01 on Mon 7 Mar to 07:13 on Tue 8 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18727, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-03-11T07:26:29+08:00", "utc": "1988-03-10T23:26:29Z", "ms": 574039589152.6564 }, "end": { "local": "1988-03-12T06:16:45+08:00", "utc": "1988-03-11T22:16:45Z", "ms": 574121804980.7059 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-11T07:26:29+08:00", "utc": "1988-03-10T23:26:29Z", "ms": 574039589152.6564 }, "end": { "local": "1988-03-12T06:16:45+08:00", "utc": "1988-03-11T22:16:45Z", "ms": 574121804980.7059 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-11", "window": { "start": { "local": "1988-03-11T12:38:37+08:00", "utc": "1988-03-11T04:38:37Z", "ms": 574058316501.1218 }, "end": { "local": "1988-03-11T13:26:37+08:00", "utc": "1988-03-11T05:26:37Z", "ms": 574061196501.1218 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-12", "window": { "start": { "local": "1988-03-12T12:38:21+08:00", "utc": "1988-03-12T04:38:21Z", "ms": 574144700580.1677 }, "end": { "local": "1988-03-12T13:26:21+08:00", "utc": "1988-03-12T05:26:21Z", "ms": 574147580580.1677 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:26 on Fri 11 Mar to 06:17 on Sat 12 Mar.", "fact": "1988-03-10T23:26:29Z → 1988-03-11T22:16:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 11th, 12:38–13:26 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18727 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Zunyi, 1988: Friday 11 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": "1988-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-11", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalāṣṭamī 1988 falls on Friday 11 March. Aṣṭamī runs from 07:26 on Fri 11 Mar to 06:17 on Sat 12 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-03-14", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17531, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-03-14T02:11:17+08:00", "utc": "1988-03-13T18:11:17Z", "ms": 574279877405.0032 }, "end": { "local": "1988-03-14T23:24:00+08:00", "utc": "1988-03-14T15:24:00Z", "ms": 574356239609.7417 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-14T02:11:17+08:00", "utc": "1988-03-13T18:11:17Z", "ms": 574279877405.0032 }, "end": { "local": "1988-03-14T23:24:00+08:00", "utc": "1988-03-14T15:24:00Z", "ms": 574356239609.7417 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-03-14", "window": { "start": { "local": "1988-03-14T07:03:29+08:00", "utc": "1988-03-13T23:03:29Z", "ms": 574297408760.9186 }, "end": { "local": "1988-03-14T07:03:29+08:00", "utc": "1988-03-13T23:03:29Z", "ms": 574297408760.9186 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-03-15", "window": { "start": { "local": "1988-03-15T07:02:22+08:00", "utc": "1988-03-14T23:02:22Z", "ms": 574383742390.3557 }, "end": { "local": "1988-03-15T07:02:22+08:00", "utc": "1988-03-14T23:02:22Z", "ms": 574383742390.3557 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:11 on Mon 14 Mar to 23:24 on Mon 14 Mar.", "fact": "1988-03-13T18:11:17Z → 1988-03-14T15:24:00Z" }, { "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": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17531 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Zunyi, 1988: Monday 14 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": "1988-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-14", "confidence": "determinate" } ], "quote": "In Zunyi, Pāpamocanī Ekādaśī 1988 falls on Monday 14 March. Ekādaśī runs from 02:11 on Mon 14 Mar to 23:24 on Mon 14 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-03-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1287, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-03-15T20:15:17+08:00", "utc": "1988-03-15T12:15:17Z", "ms": 574431317439.3901 }, "end": { "local": "1988-03-16T16:52:57+08:00", "utc": "1988-03-16T08:52:57Z", "ms": 574505576991.7208 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-15T20:15:17+08:00", "utc": "1988-03-15T12:15:17Z", "ms": 574431317439.3901 }, "end": { "local": "1988-03-16T16:52:57+08:00", "utc": "1988-03-16T08:52:57Z", "ms": 574505576991.7208 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-03-15", "window": { "start": { "local": "1988-03-15T19:00:40+08:00", "utc": "1988-03-15T11:00:40Z", "ms": 574426840107.7048 }, "end": { "local": "1988-03-15T20:36:45+08:00", "utc": "1988-03-15T12:36:45Z", "ms": 574432604862.7938 } }, "covered_min": 21, "window_min": 96, "qualifies": true }, { "local_date": "1988-03-16", "window": { "start": { "local": "1988-03-16T19:01:13+08:00", "utc": "1988-03-16T11:01:13Z", "ms": 574513272917.2057 }, "end": { "local": "1988-03-16T20:37:04+08:00", "utc": "1988-03-16T12:37:04Z", "ms": 574519024385.2847 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:15 on Tue 15 Mar to 16:53 on Wed 16 Mar.", "fact": "1988-03-15T12:15:17Z → 1988-03-16T08:52:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:37 on the 15th, 19:01–20:37 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 21 of 96 minutes on the 15th and 0 of 96 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1287 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Tuesday 15 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": "1988-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-15", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Tuesday 15 March. Trayodaśī runs from 20:15 on Tue 15 Mar to 16:53 on Wed 16 Mar and covers 21 of 96 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-03-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27824, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-03-16T16:52:57+08:00", "utc": "1988-03-16T08:52:57Z", "ms": 574505576991.7208 }, "end": { "local": "1988-03-17T13:25:35+08:00", "utc": "1988-03-17T05:25:35Z", "ms": 574579534743.467 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-16T16:52:57+08:00", "utc": "1988-03-16T08:52:57Z", "ms": 574505576991.7208 }, "end": { "local": "1988-03-17T13:25:35+08:00", "utc": "1988-03-17T05:25:35Z", "ms": 574579534743.467 } }, "kaala": "nishita", "days": [ { "local_date": "1988-03-16", "window": { "start": { "local": "1988-03-17T00:36:41+08:00", "utc": "1988-03-16T16:36:41Z", "ms": 574533400922.5017 }, "end": { "local": "1988-03-17T01:24:41+08:00", "utc": "1988-03-16T17:24:41Z", "ms": 574536280922.5017 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-17", "window": { "start": { "local": "1988-03-18T00:36:24+08:00", "utc": "1988-03-17T16:36:24Z", "ms": 574619783715.6777 }, "end": { "local": "1988-03-18T01:24:24+08:00", "utc": "1988-03-17T17:24:24Z", "ms": 574622663715.6777 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:53 on Wed 16 Mar to 13:26 on Thu 17 Mar.", "fact": "1988-03-16T08:52:57Z → 1988-03-17T05:25:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:37–01:25 on the 16th, 00:36–01:24 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27824 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Wednesday 16 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-16", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Wednesday 16 March. Caturdaśī runs from 16:53 on Wed 16 Mar to 13:26 on Thu 17 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9261, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-03-18T10:02:19+08:00", "utc": "1988-03-18T02:02:19Z", "ms": 574653739318.8119 }, "end": { "local": "1988-03-19T06:52:33+08:00", "utc": "1988-03-18T22:52:33Z", "ms": 574728753477.9672 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-18T10:02:19+08:00", "utc": "1988-03-18T02:02:19Z", "ms": 574653739318.8119 }, "end": { "local": "1988-03-19T06:52:33+08:00", "utc": "1988-03-18T22:52:33Z", "ms": 574728753477.9672 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-18", "window": { "start": { "local": "1988-03-18T12:36:40+08:00", "utc": "1988-03-18T04:36:40Z", "ms": 574662999943.1299 }, "end": { "local": "1988-03-18T13:24:40+08:00", "utc": "1988-03-18T05:24:40Z", "ms": 574665879943.1299 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-19", "window": { "start": { "local": "1988-03-19T12:36:22+08:00", "utc": "1988-03-19T04:36:22Z", "ms": 574749382478.8884 }, "end": { "local": "1988-03-19T13:24:22+08:00", "utc": "1988-03-19T05:24:22Z", "ms": 574752262478.8884 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:02 on Fri 18 Mar to 06:53 on Sat 19 Mar.", "fact": "1988-03-18T02:02:19Z → 1988-03-18T22:52:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 18th, 12:36–13:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9261 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Zunyi, 1988: Friday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-18", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Caitra) (Chaitra Navratri) 1988 falls on Friday 18 March. Pratipadā runs from 10:02 on Fri 18 Mar to 06:53 on Sat 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30631, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-03-20T04:05:34+08:00", "utc": "1988-03-19T20:05:34Z", "ms": 574805133759.0454 }, "end": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-20T04:05:34+08:00", "utc": "1988-03-19T20:05:34Z", "ms": 574805133759.0454 }, "end": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-20", "window": { "start": { "local": "1988-03-20T12:36:05+08:00", "utc": "1988-03-20T04:36:05Z", "ms": 574835764859.9998 }, "end": { "local": "1988-03-20T13:24:05+08:00", "utc": "1988-03-20T05:24:05Z", "ms": 574838644859.9998 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-21", "window": { "start": { "local": "1988-03-21T12:35:47+08:00", "utc": "1988-03-21T04:35:47Z", "ms": 574922147103.0239 }, "end": { "local": "1988-03-21T13:23:47+08:00", "utc": "1988-03-21T05:23:47Z", "ms": 574925027103.0239 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:06 on Sun 20 Mar to 01:50 on Mon 21 Mar.", "fact": "1988-03-19T20:05:34Z → 1988-03-20T17:50:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 20th, 12:36–13:24 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30631 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Zunyi, 1988: Sunday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-20", "confidence": "determinate" } ], "quote": "In Zunyi, Gaurī Tṛtīyā (Gangaur) 1988 falls on Sunday 20 March. Tṛtīyā runs from 04:06 on Sun 20 Mar to 01:50 on Mon 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30631, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-03-20T04:05:34+08:00", "utc": "1988-03-19T20:05:34Z", "ms": 574805133759.0454 }, "end": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-20T04:05:34+08:00", "utc": "1988-03-19T20:05:34Z", "ms": 574805133759.0454 }, "end": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-20", "window": { "start": { "local": "1988-03-20T12:36:05+08:00", "utc": "1988-03-20T04:36:05Z", "ms": 574835764859.9998 }, "end": { "local": "1988-03-20T13:24:05+08:00", "utc": "1988-03-20T05:24:05Z", "ms": 574838644859.9998 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-21", "window": { "start": { "local": "1988-03-21T12:35:47+08:00", "utc": "1988-03-21T04:35:47Z", "ms": 574922147103.0239 }, "end": { "local": "1988-03-21T13:23:47+08:00", "utc": "1988-03-21T05:23:47Z", "ms": 574925027103.0239 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:06 on Sun 20 Mar to 01:50 on Mon 21 Mar.", "fact": "1988-03-19T20:05:34Z → 1988-03-20T17:50:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 20th, 12:36–13:24 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30631 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Zunyi, 1988: Sunday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-20", "confidence": "determinate" } ], "quote": "In Zunyi, Saubhāgya Śayana Vrata 1988 falls on Sunday 20 March. Tṛtīyā runs from 04:06 on Sun 20 Mar to 01:50 on Mon 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-03-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38743, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 }, "end": { "local": "1988-03-22T00:13:43+08:00", "utc": "1988-03-21T16:13:43Z", "ms": 574964023012.2576 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-21T01:50:04+08:00", "utc": "1988-03-20T17:50:04Z", "ms": 574883404464.9696 }, "end": { "local": "1988-03-22T00:13:43+08:00", "utc": "1988-03-21T16:13:43Z", "ms": 574964023012.2576 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-21", "window": { "start": { "local": "1988-03-21T12:35:47+08:00", "utc": "1988-03-21T04:35:47Z", "ms": 574922147103.0239 }, "end": { "local": "1988-03-21T13:23:47+08:00", "utc": "1988-03-21T05:23:47Z", "ms": 574925027103.0239 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-22", "window": { "start": { "local": "1988-03-22T12:35:29+08:00", "utc": "1988-03-22T04:35:29Z", "ms": 575008529225.3375 }, "end": { "local": "1988-03-22T13:23:29+08:00", "utc": "1988-03-22T05:23:29Z", "ms": 575011409225.3375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:50 on Mon 21 Mar to 00:14 on Tue 22 Mar.", "fact": "1988-03-20T17:50:04Z → 1988-03-21T16:13:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 21st, 12:35–13:23 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38743 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Monday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-21", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Monday 21 March. Caturthī runs from 01:50 on Mon 21 Mar to 00:14 on Tue 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35926, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-03-22T00:13:43+08:00", "utc": "1988-03-21T16:13:43Z", "ms": 574964023012.2576 }, "end": { "local": "1988-03-22T23:22:16+08:00", "utc": "1988-03-22T15:22:16Z", "ms": 575047335635.3462 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-22T00:13:43+08:00", "utc": "1988-03-21T16:13:43Z", "ms": 574964023012.2576 }, "end": { "local": "1988-03-22T23:22:16+08:00", "utc": "1988-03-22T15:22:16Z", "ms": 575047335635.3462 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-21", "window": { "start": { "local": "1988-03-21T12:35:47+08:00", "utc": "1988-03-21T04:35:47Z", "ms": 574922147103.0239 }, "end": { "local": "1988-03-21T13:23:47+08:00", "utc": "1988-03-21T05:23:47Z", "ms": 574925027103.0239 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-03-22", "window": { "start": { "local": "1988-03-22T12:35:29+08:00", "utc": "1988-03-22T04:35:29Z", "ms": 575008529225.3375 }, "end": { "local": "1988-03-22T13:23:29+08:00", "utc": "1988-03-22T05:23:29Z", "ms": 575011409225.3375 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:14 on Tue 22 Mar to 23:22 on Tue 22 Mar.", "fact": "1988-03-21T16:13:43Z → 1988-03-22T15:22:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 21st, 12:35–13:23 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35926 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Zunyi, 1988: Tuesday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-22", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pañcamī 1988 falls on Tuesday 22 March. Pañcamī runs from 00:14 on Tue 22 Mar to 23:22 on Tue 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38398, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-03-25T00:02:51+08:00", "utc": "1988-03-24T16:02:51Z", "ms": 575222571139.8112 }, "end": { "local": "1988-03-26T01:30:06+08:00", "utc": "1988-03-25T17:30:06Z", "ms": 575314206098.831 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-25T00:02:51+08:00", "utc": "1988-03-24T16:02:51Z", "ms": 575222571139.8112 }, "end": { "local": "1988-03-26T01:30:06+08:00", "utc": "1988-03-25T17:30:06Z", "ms": 575314206098.831 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-24", "window": { "start": { "local": "1988-03-24T12:34:53+08:00", "utc": "1988-03-24T04:34:53Z", "ms": 575181293181.6232 }, "end": { "local": "1988-03-24T13:22:53+08:00", "utc": "1988-03-24T05:22:53Z", "ms": 575184173181.6232 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-03-25", "window": { "start": { "local": "1988-03-25T12:34:35+08:00", "utc": "1988-03-25T04:34:35Z", "ms": 575267675054.3588 }, "end": { "local": "1988-03-25T13:22:35+08:00", "utc": "1988-03-25T05:22:35Z", "ms": 575270555054.3588 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:03 on Fri 25 Mar to 01:30 on Sat 26 Mar.", "fact": "1988-03-24T16:02:51Z → 1988-03-25T17:30:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 24th, 12:35–13:23 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38398 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Zunyi, 1988: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-25", "confidence": "determinate" } ], "quote": "In Zunyi, Bhavānī Utpatti 1988 falls on Friday 25 March. Aṣṭamī runs from 00:03 on Fri 25 Mar to 01:30 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32500, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1988-03-26T01:30:06+08:00", "utc": "1988-03-25T17:30:06Z", "ms": 575314206098.831 }, "end": { "local": "1988-03-27T03:32:19+08:00", "utc": "1988-03-26T19:32:19Z", "ms": 575407938629.5089 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-26T01:30:06+08:00", "utc": "1988-03-25T17:30:06Z", "ms": 575314206098.831 }, "end": { "local": "1988-03-27T03:32:19+08:00", "utc": "1988-03-26T19:32:19Z", "ms": 575407938629.5089 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-26", "window": { "start": { "local": "1988-03-26T12:34:17+08:00", "utc": "1988-03-26T04:34:17Z", "ms": 575354056883.6306 }, "end": { "local": "1988-03-26T13:22:17+08:00", "utc": "1988-03-26T05:22:17Z", "ms": 575356936883.6306 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-27", "window": { "start": { "local": "1988-03-27T12:33:59+08:00", "utc": "1988-03-27T04:33:59Z", "ms": 575440438690.0774 }, "end": { "local": "1988-03-27T13:21:59+08:00", "utc": "1988-03-27T05:21:59Z", "ms": 575443318690.0774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:30 on Sat 26 Mar to 03:32 on Sun 27 Mar.", "fact": "1988-03-25T17:30:06Z → 1988-03-26T19:32:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 26th, 12:34–13:22 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32500 s" }, { "step": "ruling", "text": "Rāma Navamī, Zunyi, 1988: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-26", "confidence": "determinate" } ], "quote": "In Zunyi, Rāma Navamī 1988 falls on Saturday 26 March. Navamī runs from 01:30 on Sat 26 Mar to 03:32 on Sun 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-03-29", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2967, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-03-28T05:58:19+08:00", "utc": "1988-03-27T21:58:19Z", "ms": 575503099003.8763 }, "end": { "local": "1988-03-29T08:35:32+08:00", "utc": "1988-03-29T00:35:32Z", "ms": 575598931614.3987 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-28T05:58:19+08:00", "utc": "1988-03-27T21:58:19Z", "ms": 575503099003.8763 }, "end": { "local": "1988-03-29T08:35:32+08:00", "utc": "1988-03-29T00:35:32Z", "ms": 575598931614.3987 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-03-28", "window": { "start": { "local": "1988-03-28T06:47:46+08:00", "utc": "1988-03-27T22:47:46Z", "ms": 575506066014.6461 }, "end": { "local": "1988-03-28T06:47:46+08:00", "utc": "1988-03-27T22:47:46Z", "ms": 575506066014.6461 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-03-29", "window": { "start": { "local": "1988-03-29T06:46:38+08:00", "utc": "1988-03-28T22:46:38Z", "ms": 575592398468.7938 }, "end": { "local": "1988-03-29T06:46:38+08:00", "utc": "1988-03-28T22:46:38Z", "ms": 575592398468.7938 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:58 on Mon 28 Mar to 08:36 on Tue 29 Mar.", "fact": "1988-03-27T21:58:19Z → 1988-03-29T00:35:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 28th and 06:47 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is on the 29th.", "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 2967 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Zunyi, 1988: Tuesday 29 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": "1988-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-29", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmadā Ekādaśī 1988 falls on Tuesday 29 March. Ekādaśī runs from 05:58 on Mon 28 Mar to 08:36 on Tue 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 923, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-03-30T11:11:39+08:00", "utc": "1988-03-30T03:11:39Z", "ms": 575694698983.1068 }, "end": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-30T11:11:39+08:00", "utc": "1988-03-30T03:11:39Z", "ms": 575694698983.1068 }, "end": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-30", "window": { "start": { "local": "1988-03-30T12:33:04+08:00", "utc": "1988-03-30T04:33:04Z", "ms": 575699584183.3085 }, "end": { "local": "1988-03-30T13:21:04+08:00", "utc": "1988-03-30T05:21:04Z", "ms": 575702464183.3085 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-03-31", "window": { "start": { "local": "1988-03-31T12:32:46+08:00", "utc": "1988-03-31T04:32:46Z", "ms": 575785966110.477 }, "end": { "local": "1988-03-31T13:20:46+08:00", "utc": "1988-03-31T05:20:46Z", "ms": 575788846110.477 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:12 on Wed 30 Mar to 13:36 on Thu 31 Mar.", "fact": "1988-03-30T03:11:39Z → 1988-03-31T05:36:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 30th, 12:33–13:21 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 923 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Zunyi, 1988: Wednesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-30", "confidence": "determinate" } ], "quote": "In Zunyi, Anaṅga Trayodaśī 1988 falls on Wednesday 30 March. Trayodaśī runs from 11:12 on Wed 30 Mar to 13:36 on Thu 31 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-03-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19979, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-03-30T11:11:39+08:00", "utc": "1988-03-30T03:11:39Z", "ms": 575694698983.1068 }, "end": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-30T11:11:39+08:00", "utc": "1988-03-30T03:11:39Z", "ms": 575694698983.1068 }, "end": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-03-30", "window": { "start": { "local": "1988-03-30T19:08:37+08:00", "utc": "1988-03-30T11:08:37Z", "ms": 575723317324.9188 }, "end": { "local": "1988-03-30T20:41:24+08:00", "utc": "1988-03-30T12:41:24Z", "ms": 575728883516.4982 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1988-03-31", "window": { "start": { "local": "1988-03-31T19:09:08+08:00", "utc": "1988-03-31T11:09:08Z", "ms": 575809748459.1904 }, "end": { "local": "1988-03-31T20:41:42+08:00", "utc": "1988-03-31T12:41:42Z", "ms": 575815301552.3002 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:12 on Wed 30 Mar to 13:36 on Thu 31 Mar.", "fact": "1988-03-30T03:11:39Z → 1988-03-31T05:36:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:41 on the 30th, 19:09–20:42 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 30th and 0 of 93 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19979 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Wednesday 30 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": "1988-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-03-30", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Wednesday 30 March. Trayodaśī runs from 11:12 on Wed 30 Mar to 13:36 on Thu 31 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 923, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 }, "end": { "local": "1988-04-01T15:41:05+08:00", "utc": "1988-04-01T07:41:05Z", "ms": 575883665428.9839 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-03-31T13:36:09+08:00", "utc": "1988-03-31T05:36:09Z", "ms": 575789769043.0658 }, "end": { "local": "1988-04-01T15:41:05+08:00", "utc": "1988-04-01T07:41:05Z", "ms": 575883665428.9839 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-03-31", "window": { "start": { "local": "1988-03-31T12:32:46+08:00", "utc": "1988-03-31T04:32:46Z", "ms": 575785966110.477 }, "end": { "local": "1988-03-31T13:20:46+08:00", "utc": "1988-03-31T05:20:46Z", "ms": 575788846110.477 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-01", "window": { "start": { "local": "1988-04-01T12:32:28+08:00", "utc": "1988-04-01T04:32:28Z", "ms": 575872348121.9404 }, "end": { "local": "1988-04-01T13:20:28+08:00", "utc": "1988-04-01T05:20:28Z", "ms": 575875228121.9404 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:36 on Thu 31 Mar to 15:41 on Fri 1 Apr.", "fact": "1988-03-31T05:36:09Z → 1988-04-01T07:41:05Z" }, { "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": "Caturdaśī 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 923 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Zunyi, 1988: Friday 1 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": "1988-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-01", "confidence": "determinate" } ], "quote": "In Zunyi, Viṣṇudamanaka Caturdaśī 1988 falls on Friday 1 April. Caturdaśī runs from 13:36 on Thu 31 Mar to 15:41 on Fri 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8437, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-04-01T15:41:05+08:00", "utc": "1988-04-01T07:41:05Z", "ms": 575883665428.9839 }, "end": { "local": "1988-04-02T17:21:17+08:00", "utc": "1988-04-02T09:21:17Z", "ms": 575976077257.549 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1988-04-01T15:41:05+08:00", "utc": "1988-04-01T07:41:05Z", "ms": 575883665428.9839 }, "end": { "local": "1988-04-02T17:21:17+08:00", "utc": "1988-04-02T09:21:17Z", "ms": 575976077257.549 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-01", "window": { "start": { "local": "1988-04-01T12:32:28+08:00", "utc": "1988-04-01T04:32:28Z", "ms": 575872348121.9404 }, "end": { "local": "1988-04-01T13:20:28+08:00", "utc": "1988-04-01T05:20:28Z", "ms": 575875228121.9404 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-02", "window": { "start": { "local": "1988-04-02T12:32:10+08:00", "utc": "1988-04-02T04:32:10Z", "ms": 575958730239.7146 }, "end": { "local": "1988-04-02T13:20:10+08:00", "utc": "1988-04-02T05:20:10Z", "ms": 575961610239.7146 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:41 on Fri 1 Apr to 17:21 on Sat 2 Apr.", "fact": "1988-04-01T07:41:05Z → 1988-04-02T09:21:17Z" }, { "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": "Pūrṇimā 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8437 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Zunyi, 1988: Saturday 2 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": "1988-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-02", "confidence": "determinate" } ], "quote": "In Zunyi, Caitrī Pūrṇimā 1988 falls on Saturday 2 April. Pūrṇimā runs from 15:41 on Fri 1 Apr to 17:21 on Sat 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-04-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9252, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-04-05T19:34:03+08:00", "utc": "1988-04-05T11:34:03Z", "ms": 576243243349.7699 }, "end": { "local": "1988-04-06T19:22:25+08:00", "utc": "1988-04-06T11:22:25Z", "ms": 576328945118.5109 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-05T19:34:03+08:00", "utc": "1988-04-05T11:34:03Z", "ms": 576243243349.7699 }, "end": { "local": "1988-04-06T19:22:25+08:00", "utc": "1988-04-06T11:22:25Z", "ms": 576328945118.5109 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-04-05", "window": { "start": { "local": "1988-04-05T22:08:15+08:00", "utc": "1988-04-05T14:08:15Z", "ms": 576252495069.9958 }, "end": { "local": "1988-04-05T22:08:15+08:00", "utc": "1988-04-05T14:08:15Z", "ms": 576252495069.9958 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-04-06", "window": { "start": { "local": "1988-04-06T23:11:29+08:00", "utc": "1988-04-06T15:11:29Z", "ms": 576342689308.7716 }, "end": { "local": "1988-04-06T23:11:29+08:00", "utc": "1988-04-06T15:11:29Z", "ms": 576342689308.7716 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:34 on Tue 5 Apr to 19:22 on Wed 6 Apr.", "fact": "1988-04-05T11:34:03Z → 1988-04-06T11:22:25Z" }, { "step": "kaala", "text": "Moonrise is at 22:08 on the 5th and 23:11 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9252 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Tuesday 5 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": "1988-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-05", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Tuesday 5 April. Caturthī runs from 19:34 on Tue 5 Apr to 19:22 on Wed 6 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41621, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1988-04-13T18:03:57+08:00", "utc": "1988-04-13T10:03:57Z", "ms": 576929036838.163 }, "end": { "local": "1988-05-14T15:55:02+09:00", "utc": "1988-05-14T06:55:02Z", "ms": 579596101621.3704 } }, "span": { "of": "transit", "start": { "local": "1988-04-13T18:03:57+08:00", "utc": "1988-04-13T10:03:57Z", "ms": 576929036838.163 }, "end": { "local": "1988-04-13T18:03:57+08:00", "utc": "1988-04-13T10:03:57Z", "ms": 576929036838.163 } }, "kaala": "day", "days": [ { "local_date": "1988-04-12", "window": { "start": { "local": "1988-04-12T06:31:18+08:00", "utc": "1988-04-11T22:31:18Z", "ms": 576801078311.5204 }, "end": { "local": "1988-04-13T06:30:16+08:00", "utc": "1988-04-12T22:30:16Z", "ms": 576887415542.1108 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1988-04-13", "window": { "start": { "local": "1988-04-13T06:30:16+08:00", "utc": "1988-04-12T22:30:16Z", "ms": 576887415542.1108 }, "end": { "local": "1988-04-14T06:29:13+08:00", "utc": "1988-04-13T22:29:13Z", "ms": 576973753310.8436 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:04 on Wed 13 Apr.", "fact": "1988-04-13T10:03:57Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:31 on the 12th, and from 06:30 on the 13th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 41621 s" }, { "step": "ruling", "text": "Vaiśākhī, Zunyi, 1988: Wednesday 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": "1988-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1988-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1988-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Zunyi, Vaiśākhī 1988 falls on Wednesday 13 April. The Sun enters Meṣa at 18:04 on Wed 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-04-13", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2031, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-04-12T09:45:15+08:00", "utc": "1988-04-12T01:45:15Z", "ms": 576812715456.9366 }, "end": { "local": "1988-04-13T07:04:07+08:00", "utc": "1988-04-12T23:04:07Z", "ms": 576889446868.9735 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-12T09:45:15+08:00", "utc": "1988-04-12T01:45:15Z", "ms": 576812715456.9366 }, "end": { "local": "1988-04-13T07:04:07+08:00", "utc": "1988-04-12T23:04:07Z", "ms": 576889446868.9735 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-04-12", "window": { "start": { "local": "1988-04-12T06:31:18+08:00", "utc": "1988-04-11T22:31:18Z", "ms": 576801078311.5204 }, "end": { "local": "1988-04-12T06:31:18+08:00", "utc": "1988-04-11T22:31:18Z", "ms": 576801078311.5204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-04-13", "window": { "start": { "local": "1988-04-13T06:30:16+08:00", "utc": "1988-04-12T22:30:16Z", "ms": 576887415542.1108 }, "end": { "local": "1988-04-13T06:30:16+08:00", "utc": "1988-04-12T22:30:16Z", "ms": 576887415542.1108 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:45 on Tue 12 Apr to 07:04 on Wed 13 Apr.", "fact": "1988-04-12T01:45:15Z → 1988-04-12T23:04:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 12th and 06:30 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2031 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Zunyi, 1988: Wednesday 13 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": "1988-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-13", "confidence": "determinate" } ], "quote": "In Zunyi, Varūthinī Ekādaśī 1988 falls on Wednesday 13 April. Ekādaśī runs from 09:45 on Tue 12 Apr to 07:04 on Wed 13 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-04-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16585, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-04-14T04:14:30+08:00", "utc": "1988-04-13T20:14:30Z", "ms": 576965670298.8401 }, "end": { "local": "1988-04-15T01:22:29+08:00", "utc": "1988-04-14T17:22:29Z", "ms": 577041748740.2463 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-14T04:14:30+08:00", "utc": "1988-04-13T20:14:30Z", "ms": 576965670298.8401 }, "end": { "local": "1988-04-15T01:22:29+08:00", "utc": "1988-04-14T17:22:29Z", "ms": 577041748740.2463 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-04-13", "window": { "start": { "local": "1988-04-13T19:15:58+08:00", "utc": "1988-04-13T11:15:58Z", "ms": 576933357710.2056 }, "end": { "local": "1988-04-13T20:45:44+08:00", "utc": "1988-04-13T12:45:44Z", "ms": 576938743790.2906 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1988-04-14", "window": { "start": { "local": "1988-04-14T19:16:30+08:00", "utc": "1988-04-14T11:16:30Z", "ms": 577019789929.5162 }, "end": { "local": "1988-04-14T20:46:03+08:00", "utc": "1988-04-14T12:46:03Z", "ms": 577025163491.0835 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:15 on Thu 14 Apr to 01:22 on Fri 15 Apr.", "fact": "1988-04-13T20:14:30Z → 1988-04-14T17:22:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:46 on the 13th, 19:16–20:46 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 13th and 90 of 90 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16585 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Thursday 14 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": "1988-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-14", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Thursday 14 April. Trayodaśī runs from 04:15 on Thu 14 Apr to 01:22 on Fri 15 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-04-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-14", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 368, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-04-15T01:22:29+08:00", "utc": "1988-04-14T17:22:29Z", "ms": 577041748740.2463 }, "end": { "local": "1988-04-15T22:35:03+08:00", "utc": "1988-04-15T14:35:03Z", "ms": 577118102993.7638 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-15T01:22:29+08:00", "utc": "1988-04-14T17:22:29Z", "ms": 577041748740.2463 }, "end": { "local": "1988-04-15T22:35:03+08:00", "utc": "1988-04-15T14:35:03Z", "ms": 577118102993.7638 } }, "kaala": "nishita", "days": [ { "local_date": "1988-04-14", "window": { "start": { "local": "1988-04-15T00:28:21+08:00", "utc": "1988-04-14T16:28:21Z", "ms": 577038500785.3936 }, "end": { "local": "1988-04-15T01:16:21+08:00", "utc": "1988-04-14T17:16:21Z", "ms": 577041380785.3936 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-15", "window": { "start": { "local": "1988-04-16T00:28:06+08:00", "utc": "1988-04-15T16:28:06Z", "ms": 577124886419.4836 }, "end": { "local": "1988-04-16T01:16:06+08:00", "utc": "1988-04-15T17:16:06Z", "ms": 577127766419.4836 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:22 on Fri 15 Apr to 22:35 on Fri 15 Apr.", "fact": "1988-04-14T17:22:29Z → 1988-04-15T14:35:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 14th, 00:28–01:16 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 0 of 48 on the 15th.", "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 368 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Thursday 14 April.", "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": "1988-04-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-14", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Thursday 14 April. Caturdaśī runs from 01:22 on Fri 15 Apr to 22:35 on Fri 15 Apr, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11931, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-04-18T16:59:49+09:00", "utc": "1988-04-18T07:59:49Z", "ms": 577353589497.478 }, "end": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-18T16:59:49+09:00", "utc": "1988-04-18T07:59:49Z", "ms": 577353589497.478 }, "end": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-04-18", "window": { "start": { "local": "1988-04-18T20:18:40+09:00", "utc": "1988-04-18T11:18:40Z", "ms": 577365520141.6267 }, "end": { "local": "1988-04-18T21:47:24+09:00", "utc": "1988-04-18T12:47:24Z", "ms": 577370844259.1475 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1988-04-19", "window": { "start": { "local": "1988-04-19T20:19:13+09:00", "utc": "1988-04-19T11:19:13Z", "ms": 577451953021.4208 }, "end": { "local": "1988-04-19T21:47:45+09:00", "utc": "1988-04-19T12:47:45Z", "ms": 577457264950.9076 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:00 on Mon 18 Apr to 15:50 on Tue 19 Apr.", "fact": "1988-04-18T07:59:49Z → 1988-04-19T06:50:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:19–21:47 on the 18th, 20:19–21:48 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 89 of 89 minutes on the 18th and 0 of 89 on the 19th.", "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 11931 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Zunyi, 1988: Monday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-18", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Jayantī 1988 falls on Monday 18 April. Tṛtīyā runs from 17:00 on Mon 18 Apr to 15:50 on Tue 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14872, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-04-18T16:59:49+09:00", "utc": "1988-04-18T07:59:49Z", "ms": 577353589497.478 }, "end": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-18T16:59:49+09:00", "utc": "1988-04-18T07:59:49Z", "ms": 577353589497.478 }, "end": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 } }, "kaala": "purvahna", "days": [ { "local_date": "1988-04-18", "window": { "start": { "local": "1988-04-18T07:25:10+09:00", "utc": "1988-04-17T22:25:10Z", "ms": 577319110225.122 }, "end": { "local": "1988-04-18T11:43:00+09:00", "utc": "1988-04-18T02:43:00Z", "ms": 577334580197.2902 } }, "covered_min": 0, "window_min": 258, "qualifies": false }, { "local_date": "1988-04-19", "window": { "start": { "local": "1988-04-19T07:24:11+09:00", "utc": "1988-04-18T22:24:11Z", "ms": 577405451023.0325 }, "end": { "local": "1988-04-19T11:42:32+09:00", "utc": "1988-04-19T02:42:32Z", "ms": 577420951689.1619 } }, "covered_min": 258, "window_min": 258, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:00 on Mon 18 Apr to 15:50 on Tue 19 Apr.", "fact": "1988-04-18T07:59:49Z → 1988-04-19T06:50:24Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:25–11:43 on the 18th, 07:24–11:43 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 258 minutes on the 18th and 258 of 258 on the 19th.", "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 14872 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Zunyi, 1988: Tuesday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-19", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Tṛtīyā 1988 falls on Tuesday 19 April. Tṛtīyā runs from 17:00 on Mon 18 Apr to 15:50 on Tue 19 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-04-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4060, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 }, "end": { "local": "1988-04-20T15:23:09+09:00", "utc": "1988-04-20T06:23:09Z", "ms": 577520589015.7443 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-19T15:50:24+09:00", "utc": "1988-04-19T06:50:24Z", "ms": 577435823670.1996 }, "end": { "local": "1988-04-20T15:23:09+09:00", "utc": "1988-04-20T06:23:09Z", "ms": 577520589015.7443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-19", "window": { "start": { "local": "1988-04-19T13:27:42+09:00", "utc": "1988-04-19T04:27:42Z", "ms": 577427262022.2266 }, "end": { "local": "1988-04-19T14:15:42+09:00", "utc": "1988-04-19T05:15:42Z", "ms": 577430142022.2266 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-20", "window": { "start": { "local": "1988-04-20T13:27:29+09:00", "utc": "1988-04-20T04:27:29Z", "ms": 577513649260.2896 }, "end": { "local": "1988-04-20T14:15:29+09:00", "utc": "1988-04-20T05:15:29Z", "ms": 577516529260.2896 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:50 on Tue 19 Apr to 15:23 on Wed 20 Apr.", "fact": "1988-04-19T06:50:24Z → 1988-04-20T06:23:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 19th, 13:27–14:15 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4060 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Wednesday 20 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": "1988-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Wednesday 20 April. Caturthī runs from 15:50 on Tue 19 Apr to 15:23 on Wed 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-04-20", "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/1988/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4060, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-04-20T15:23:09+09:00", "utc": "1988-04-20T06:23:09Z", "ms": 577520589015.7443 }, "end": { "local": "1988-04-21T15:41:23+09:00", "utc": "1988-04-21T06:41:23Z", "ms": 577608082720.6356 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-20T15:23:09+09:00", "utc": "1988-04-20T06:23:09Z", "ms": 577520589015.7443 }, "end": { "local": "1988-04-21T15:41:23+09:00", "utc": "1988-04-21T06:41:23Z", "ms": 577608082720.6356 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-20", "window": { "start": { "local": "1988-04-20T13:27:29+09:00", "utc": "1988-04-20T04:27:29Z", "ms": 577513649260.2896 }, "end": { "local": "1988-04-20T14:15:29+09:00", "utc": "1988-04-20T05:15:29Z", "ms": 577516529260.2896 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-21", "window": { "start": { "local": "1988-04-21T13:27:17+09:00", "utc": "1988-04-21T04:27:17Z", "ms": 577600036907.9901 }, "end": { "local": "1988-04-21T14:15:17+09:00", "utc": "1988-04-21T05:15:17Z", "ms": 577602916907.9901 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:23 on Wed 20 Apr to 15:41 on Thu 21 Apr.", "fact": "1988-04-20T06:23:09Z → 1988-04-21T06:41:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 20th, 13:27–14:15 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4060 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Zunyi, 1988: Thursday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-21", "confidence": "determinate" } ], "quote": "In Zunyi, Śaṅkara Jayantī 1988 falls on Thursday 21 April. Pañcamī runs from 15:23 on Wed 20 Apr to 15:41 on Thu 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8974, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-04-22T16:44:39+09:00", "utc": "1988-04-22T07:44:39Z", "ms": 577698279110.3828 }, "end": { "local": "1988-04-23T18:28:02+09:00", "utc": "1988-04-23T09:28:02Z", "ms": 577790882296.8441 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-22T16:44:39+09:00", "utc": "1988-04-22T07:44:39Z", "ms": 577698279110.3828 }, "end": { "local": "1988-04-23T18:28:02+09:00", "utc": "1988-04-23T09:28:02Z", "ms": 577790882296.8441 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-22", "window": { "start": { "local": "1988-04-22T13:27:05+09:00", "utc": "1988-04-22T04:27:05Z", "ms": 577686424976.0881 }, "end": { "local": "1988-04-22T14:15:05+09:00", "utc": "1988-04-22T05:15:05Z", "ms": 577689304976.0881 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-04-23", "window": { "start": { "local": "1988-04-23T13:26:53+09:00", "utc": "1988-04-23T04:26:53Z", "ms": 577772813475.589 }, "end": { "local": "1988-04-23T14:14:53+09:00", "utc": "1988-04-23T05:14:53Z", "ms": 577775693475.589 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:45 on Fri 22 Apr to 18:28 on Sat 23 Apr.", "fact": "1988-04-22T07:44:39Z → 1988-04-23T09:28:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 22nd, 13:27–14:15 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8974 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Zunyi, 1988: Saturday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-23", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṅgotpatti (Ganga Saptami) 1988 falls on Saturday 23 April. Saptamī runs from 16:45 on Fri 22 Apr to 18:28 on Sat 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-04-27", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11210, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-04-27T01:47:11+09:00", "utc": "1988-04-26T16:47:11Z", "ms": 578076431499.5935 }, "end": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-27T01:47:11+09:00", "utc": "1988-04-26T16:47:11Z", "ms": 578076431499.5935 }, "end": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-04-27", "window": { "start": { "local": "1988-04-27T07:16:44+09:00", "utc": "1988-04-26T22:16:44Z", "ms": 578096203530.7778 }, "end": { "local": "1988-04-27T07:16:44+09:00", "utc": "1988-04-26T22:16:44Z", "ms": 578096203530.7778 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-04-28", "window": { "start": { "local": "1988-04-28T07:15:51+09:00", "utc": "1988-04-27T22:15:51Z", "ms": 578182551213.8829 }, "end": { "local": "1988-04-28T07:15:51+09:00", "utc": "1988-04-27T22:15:51Z", "ms": 578182551213.8829 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:47 on Wed 27 Apr to 04:09 on Thu 28 Apr.", "fact": "1988-04-26T16:47:11Z → 1988-04-27T19:09:01Z" }, { "step": "kaala", "text": "Sunrise is at 07:17 on the 27th and 07:16 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11210 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Zunyi, 1988: Wednesday 27 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": "1988-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-27", "confidence": "determinate" } ], "quote": "In Zunyi, Mohinī Ekādaśī 1988 falls on Wednesday 27 April. Ekādaśī runs from 01:47 on Wed 27 Apr to 04:09 on Thu 28 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26327, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 }, "end": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 }, "end": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-28", "window": { "start": { "local": "1988-04-28T13:26:03+09:00", "utc": "1988-04-28T04:26:03Z", "ms": 578204762834.2229 }, "end": { "local": "1988-04-28T14:14:03+09:00", "utc": "1988-04-28T05:14:03Z", "ms": 578207642834.2229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-04-29", "window": { "start": { "local": "1988-04-29T13:25:54+09:00", "utc": "1988-04-29T04:25:54Z", "ms": 578291154155.7017 }, "end": { "local": "1988-04-29T14:13:54+09:00", "utc": "1988-04-29T05:13:54Z", "ms": 578294034155.7017 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr.", "fact": "1988-04-27T19:09:01Z → 1988-04-28T21:07:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 28th, 13:26–14:14 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26327 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Zunyi, 1988: Thursday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-28", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Dvādaśī 1988 falls on Thursday 28 April. Dvādaśī runs from 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26327, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 }, "end": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-28T04:09:01+09:00", "utc": "1988-04-27T19:09:01Z", "ms": 578171341063.3694 }, "end": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-04-28", "window": { "start": { "local": "1988-04-28T13:26:03+09:00", "utc": "1988-04-28T04:26:03Z", "ms": 578204762834.2229 }, "end": { "local": "1988-04-28T14:14:03+09:00", "utc": "1988-04-28T05:14:03Z", "ms": 578207642834.2229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-04-29", "window": { "start": { "local": "1988-04-29T13:25:54+09:00", "utc": "1988-04-29T04:25:54Z", "ms": 578291154155.7017 }, "end": { "local": "1988-04-29T14:13:54+09:00", "utc": "1988-04-29T05:13:54Z", "ms": 578294034155.7017 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr.", "fact": "1988-04-27T19:09:01Z → 1988-04-28T21:07:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 28th, 13:26–14:14 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26327 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Zunyi, 1988: Thursday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-28", "confidence": "determinate" } ], "quote": "In Zunyi, Rukmiṇī Dvādaśī 1988 falls on Thursday 28 April. Dvādaśī runs from 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-04-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29767, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 }, "end": { "local": "1988-04-30T07:33:39+09:00", "utc": "1988-04-29T22:33:39Z", "ms": 578356419141.2694 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-29T06:07:07+09:00", "utc": "1988-04-28T21:07:07Z", "ms": 578264827300.3232 }, "end": { "local": "1988-04-30T07:33:39+09:00", "utc": "1988-04-29T22:33:39Z", "ms": 578356419141.2694 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-04-28", "window": { "start": { "local": "1988-04-28T20:24:14+09:00", "utc": "1988-04-28T11:24:14Z", "ms": 578229854454.563 }, "end": { "local": "1988-04-28T21:51:00+09:00", "utc": "1988-04-28T12:51:00Z", "ms": 578235060498.0885 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1988-04-29", "window": { "start": { "local": "1988-04-29T20:24:49+09:00", "utc": "1988-04-29T11:24:49Z", "ms": 578316288530.3993 }, "end": { "local": "1988-04-29T21:51:23+09:00", "utc": "1988-04-29T12:51:23Z", "ms": 578321483293.8259 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:07 on Fri 29 Apr to 07:34 on Sat 30 Apr.", "fact": "1988-04-28T21:07:07Z → 1988-04-29T22:33:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:24–21:51 on the 28th, 20:25–21:51 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 28th and 87 of 87 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29767 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Friday 29 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": "1988-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-29", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Friday 29 April. Trayodaśī runs from 06:07 on Fri 29 Apr to 07:34 on Sat 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34936, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-04-30T07:33:39+09:00", "utc": "1988-04-29T22:33:39Z", "ms": 578356419141.2694 }, "end": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-04-30T07:33:39+09:00", "utc": "1988-04-29T22:33:39Z", "ms": 578356419141.2694 }, "end": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-04-29", "window": { "start": { "local": "1988-04-29T20:24:49+09:00", "utc": "1988-04-29T11:24:49Z", "ms": 578316288530.3993 }, "end": { "local": "1988-04-29T21:51:23+09:00", "utc": "1988-04-29T12:51:23Z", "ms": 578321483293.8259 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1988-04-30", "window": { "start": { "local": "1988-04-30T20:25:23+09:00", "utc": "1988-04-30T11:25:23Z", "ms": 578402722715.7329 }, "end": { "local": "1988-04-30T21:51:46+09:00", "utc": "1988-04-30T12:51:46Z", "ms": 578407906308.7184 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:34 on Sat 30 Apr to 08:25 on Sun 1 May.", "fact": "1988-04-29T22:33:39Z → 1988-04-30T23:24:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:25–21:51 on the 29th, 20:25–21:52 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 29th and 86 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 34936 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Zunyi, 1988: Saturday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-04-30", "confidence": "determinate" } ], "quote": "In Zunyi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1988 falls on Saturday 30 April. Caturdaśī runs from 07:34 on Sat 30 Apr to 08:25 on Sun 1 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17084, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 }, "end": { "local": "1988-05-02T08:40:47+09:00", "utc": "1988-05-01T23:40:47Z", "ms": 578533246793.5624 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 }, "end": { "local": "1988-05-02T08:40:47+09:00", "utc": "1988-05-01T23:40:47Z", "ms": 578533246793.5624 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-05-01", "window": { "start": { "local": "1988-05-01T13:25:38+09:00", "utc": "1988-05-01T04:25:38Z", "ms": 578463938335.508 }, "end": { "local": "1988-05-01T14:13:38+09:00", "utc": "1988-05-01T05:13:38Z", "ms": 578466818335.508 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-05-02", "window": { "start": { "local": "1988-05-02T13:25:31+09:00", "utc": "1988-05-02T04:25:31Z", "ms": 578550331214.8456 }, "end": { "local": "1988-05-02T14:13:31+09:00", "utc": "1988-05-02T05:13:31Z", "ms": 578553211214.8456 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:25 on Sun 1 May to 08:41 on Mon 2 May.", "fact": "1988-04-30T23:24:54Z → 1988-05-01T23:40:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 1st, 13:26–14:14 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17084 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Zunyi, 1988: Sunday 1 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": "1988-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-01", "confidence": "determinate" } ], "quote": "In Zunyi, Buddha Pūrṇimā 1988 falls on Sunday 1 May. Pūrṇimā runs from 08:25 on Sun 1 May to 08:41 on Mon 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17084, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 }, "end": { "local": "1988-05-02T08:40:47+09:00", "utc": "1988-05-01T23:40:47Z", "ms": 578533246793.5624 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-01T08:24:54+09:00", "utc": "1988-04-30T23:24:54Z", "ms": 578445894135.8715 }, "end": { "local": "1988-05-02T08:40:47+09:00", "utc": "1988-05-01T23:40:47Z", "ms": 578533246793.5624 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-05-01", "window": { "start": { "local": "1988-05-01T13:25:38+09:00", "utc": "1988-05-01T04:25:38Z", "ms": 578463938335.508 }, "end": { "local": "1988-05-01T14:13:38+09:00", "utc": "1988-05-01T05:13:38Z", "ms": 578466818335.508 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-05-02", "window": { "start": { "local": "1988-05-02T13:25:31+09:00", "utc": "1988-05-02T04:25:31Z", "ms": 578550331214.8456 }, "end": { "local": "1988-05-02T14:13:31+09:00", "utc": "1988-05-02T05:13:31Z", "ms": 578553211214.8456 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:25 on Sun 1 May to 08:41 on Mon 2 May.", "fact": "1988-04-30T23:24:54Z → 1988-05-01T23:40:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 1st, 13:26–14:14 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17084 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Zunyi, 1988: Sunday 1 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": "1988-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-01", "confidence": "determinate" } ], "quote": "In Zunyi, Sampat Gaurī Vrata 1988 falls on Sunday 1 May. Pūrṇimā runs from 08:25 on Sun 1 May to 08:41 on Mon 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-05-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17526, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-05-05T06:29:19+09:00", "utc": "1988-05-04T21:29:19Z", "ms": 578784559013.592 }, "end": { "local": "1988-05-06T05:01:32+09:00", "utc": "1988-05-05T20:01:32Z", "ms": 578865691593.3986 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-05T06:29:19+09:00", "utc": "1988-05-04T21:29:19Z", "ms": 578784559013.592 }, "end": { "local": "1988-05-06T05:01:32+09:00", "utc": "1988-05-05T20:01:32Z", "ms": 578865691593.3986 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-05-04", "window": { "start": { "local": "1988-05-04T23:07:00+09:00", "utc": "1988-05-04T14:07:00Z", "ms": 578758019630.826 }, "end": { "local": "1988-05-04T23:07:00+09:00", "utc": "1988-05-04T14:07:00Z", "ms": 578758019630.826 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-05-05", "window": { "start": { "local": "1988-05-06T00:09:25+09:00", "utc": "1988-05-05T15:09:25Z", "ms": 578848165190.991 }, "end": { "local": "1988-05-06T00:09:25+09:00", "utc": "1988-05-05T15:09:25Z", "ms": 578848165190.991 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:29 on Thu 5 May to 05:02 on Fri 6 May.", "fact": "1988-05-04T21:29:19Z → 1988-05-05T20:01:32Z" }, { "step": "kaala", "text": "Moonrise is at 23:07 on the 4th and 00:09 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17526 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Thursday 5 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": "1988-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-05", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Thursday 5 May. Caturthī runs from 06:29 on Thu 5 May to 05:02 on Fri 6 May and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-05-12", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27297, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-05-11T16:53:53+09:00", "utc": "1988-05-11T07:53:53Z", "ms": 579340432866.8528 }, "end": { "local": "1988-05-12T14:40:20+09:00", "utc": "1988-05-12T05:40:20Z", "ms": 579418819675.7197 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-11T16:53:53+09:00", "utc": "1988-05-11T07:53:53Z", "ms": 579340432866.8528 }, "end": { "local": "1988-05-12T14:40:20+09:00", "utc": "1988-05-12T05:40:20Z", "ms": 579418819675.7197 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-05-11", "window": { "start": { "local": "1988-05-11T07:06:00+09:00", "utc": "1988-05-10T22:06:00Z", "ms": 579305160162.4999 }, "end": { "local": "1988-05-11T07:06:00+09:00", "utc": "1988-05-10T22:06:00Z", "ms": 579305160162.4999 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-05-12", "window": { "start": { "local": "1988-05-12T07:05:22+09:00", "utc": "1988-05-11T22:05:22Z", "ms": 579391522339.3104 }, "end": { "local": "1988-05-12T07:05:22+09:00", "utc": "1988-05-11T22:05:22Z", "ms": 579391522339.3104 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:54 on Wed 11 May to 14:40 on Thu 12 May.", "fact": "1988-05-11T07:53:53Z → 1988-05-12T05:40:20Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 11th and 07:05 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27297 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Zunyi, 1988: Thursday 12 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": "1988-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-12", "confidence": "determinate" } ], "quote": "In Zunyi, Aparā Ekādaśī 1988 falls on Thursday 12 May. Ekādaśī runs from 16:54 on Wed 11 May to 14:40 on Thu 12 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-05-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28962, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-05-13T12:30:12+09:00", "utc": "1988-05-13T03:30:12Z", "ms": 579497412228.9071 }, "end": { "local": "1988-05-14T10:28:00+09:00", "utc": "1988-05-14T01:28:00Z", "ms": 579576480309.705 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-13T12:30:12+09:00", "utc": "1988-05-13T03:30:12Z", "ms": 579497412228.9071 }, "end": { "local": "1988-05-14T10:28:00+09:00", "utc": "1988-05-14T01:28:00Z", "ms": 579576480309.705 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-05-13", "window": { "start": { "local": "1988-05-13T20:32:55+09:00", "utc": "1988-05-13T11:32:55Z", "ms": 579526374665.6433 }, "end": { "local": "1988-05-13T21:57:05+09:00", "utc": "1988-05-13T12:57:05Z", "ms": 579531424746.2394 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1988-05-14", "window": { "start": { "local": "1988-05-14T20:33:30+09:00", "utc": "1988-05-14T11:33:30Z", "ms": 579612809616.7056 }, "end": { "local": "1988-05-14T21:57:30+09:00", "utc": "1988-05-14T12:57:30Z", "ms": 579617850474.3136 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:30 on Fri 13 May to 10:28 on Sat 14 May.", "fact": "1988-05-13T03:30:12Z → 1988-05-14T01:28:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:33–21:57 on the 13th, 20:33–21:58 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 13th and 0 of 84 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28962 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Friday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-13", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Friday 13 May. Trayodaśī runs from 12:30 on Fri 13 May to 10:28 on Sat 14 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-05-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23206, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-05-14T10:28:00+09:00", "utc": "1988-05-14T01:28:00Z", "ms": 579576480309.705 }, "end": { "local": "1988-05-15T08:39:19+09:00", "utc": "1988-05-14T23:39:19Z", "ms": 579656358814.7627 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-14T10:28:00+09:00", "utc": "1988-05-14T01:28:00Z", "ms": 579576480309.705 }, "end": { "local": "1988-05-15T08:39:19+09:00", "utc": "1988-05-14T23:39:19Z", "ms": 579656358814.7627 } }, "kaala": "nishita", "days": [ { "local_date": "1988-05-13", "window": { "start": { "local": "1988-05-14T01:24:32+09:00", "utc": "1988-05-13T16:24:32Z", "ms": 579543872467.8788 }, "end": { "local": "1988-05-14T02:12:32+09:00", "utc": "1988-05-13T17:12:32Z", "ms": 579546752467.8788 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-05-14", "window": { "start": { "local": "1988-05-15T01:24:33+09:00", "utc": "1988-05-14T16:24:33Z", "ms": 579630272832.7358 }, "end": { "local": "1988-05-15T02:12:33+09:00", "utc": "1988-05-14T17:12:33Z", "ms": 579633152832.7358 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:28 on Sat 14 May to 08:39 on Sun 15 May.", "fact": "1988-05-14T01:28:00Z → 1988-05-14T23:39:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:25–02:13 on the 13th, 01:25–02:13 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23206 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Saturday 14 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": "1988-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-14", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Saturday 14 May. Caturdaśī runs from 10:28 on Sat 14 May to 08:39 on Sun 15 May and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-05-14", "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/1988/vinayaka-chaturthi?on=1988-05-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24429, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-05-19T05:48:24+09:00", "utc": "1988-05-18T20:48:24Z", "ms": 579991703540.0474 }, "end": { "local": "1988-05-20T06:37:52+09:00", "utc": "1988-05-19T21:37:52Z", "ms": 580081071519.6099 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-19T05:48:24+09:00", "utc": "1988-05-18T20:48:24Z", "ms": 579991703540.0474 }, "end": { "local": "1988-05-20T06:37:52+09:00", "utc": "1988-05-19T21:37:52Z", "ms": 580081071519.6099 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-05-19", "window": { "start": { "local": "1988-05-19T13:24:57+09:00", "utc": "1988-05-19T04:24:57Z", "ms": 580019097162.483 }, "end": { "local": "1988-05-19T14:12:57+09:00", "utc": "1988-05-19T05:12:57Z", "ms": 580021977162.483 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-05-20", "window": { "start": { "local": "1988-05-20T13:25:00+09:00", "utc": "1988-05-20T04:25:00Z", "ms": 580105500229.7009 }, "end": { "local": "1988-05-20T14:13:00+09:00", "utc": "1988-05-20T05:13:00Z", "ms": 580108380229.7009 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:48 on Thu 19 May to 06:38 on Fri 20 May.", "fact": "1988-05-18T20:48:24Z → 1988-05-19T21:37:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 19th, 13:25–14:13 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24429 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Thursday 19 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-19", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Thursday 19 May. Caturthī runs from 05:48 on Thu 19 May to 06:38 on Fri 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-05-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35993, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-05-26T19:31:07+09:00", "utc": "1988-05-26T10:31:07Z", "ms": 580645867096.767 }, "end": { "local": "1988-05-27T20:58:12+09:00", "utc": "1988-05-27T11:58:12Z", "ms": 580737492379.6045 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-26T19:31:07+09:00", "utc": "1988-05-26T10:31:07Z", "ms": 580645867096.767 }, "end": { "local": "1988-05-27T20:58:12+09:00", "utc": "1988-05-27T11:58:12Z", "ms": 580737492379.6045 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-05-27", "window": { "start": { "local": "1988-05-27T06:58:23+09:00", "utc": "1988-05-26T21:58:23Z", "ms": 580687103172.3942 }, "end": { "local": "1988-05-27T06:58:23+09:00", "utc": "1988-05-26T21:58:23Z", "ms": 580687103172.3942 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-05-28", "window": { "start": { "local": "1988-05-28T06:58:05+09:00", "utc": "1988-05-27T21:58:05Z", "ms": 580773485465.507 }, "end": { "local": "1988-05-28T06:58:05+09:00", "utc": "1988-05-27T21:58:05Z", "ms": 580773485465.507 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:31 on Thu 26 May to 20:58 on Fri 27 May.", "fact": "1988-05-26T10:31:07Z → 1988-05-27T11:58:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 27th and 06:58 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35993 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Zunyi, 1988: Friday 27 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": "1988-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-27", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Ekādaśī 1988 falls on Friday 27 May. Ekādaśī runs from 19:31 on Thu 26 May to 20:58 on Fri 27 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-05-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-05-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1047, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-05-28T21:43:59+09:00", "utc": "1988-05-28T12:43:59Z", "ms": 580826639242.9625 }, "end": { "local": "1988-05-29T21:46:30+09:00", "utc": "1988-05-29T12:46:30Z", "ms": 580913189965.8412 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-05-28T21:43:59+09:00", "utc": "1988-05-28T12:43:59Z", "ms": 580826639242.9625 }, "end": { "local": "1988-05-29T21:46:30+09:00", "utc": "1988-05-29T12:46:30Z", "ms": 580913189965.8412 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-05-28", "window": { "start": { "local": "1988-05-28T20:41:20+09:00", "utc": "1988-05-28T11:41:20Z", "ms": 580822879798.6771 }, "end": { "local": "1988-05-28T22:03:32+09:00", "utc": "1988-05-28T13:03:32Z", "ms": 580827811701.6123 } }, "covered_min": 20, "window_min": 82, "qualifies": true }, { "local_date": "1988-05-29", "window": { "start": { "local": "1988-05-29T20:41:51+09:00", "utc": "1988-05-29T11:41:51Z", "ms": 580909310952.4438 }, "end": { "local": "1988-05-29T22:03:57+09:00", "utc": "1988-05-29T13:03:57Z", "ms": 580914236690.9554 } }, "covered_min": 65, "window_min": 82, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:44 on Sat 28 May to 21:46 on Sun 29 May.", "fact": "1988-05-28T12:43:59Z → 1988-05-29T12:46:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:41–22:04 on the 28th, 20:42–22:04 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 20 of 82 minutes on the 28th and 65 of 82 on the 29th.", "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 1047 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Sunday 29 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": "1988-05-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-05-29", "confidence": "boundary" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Sunday 29 May. Trayodaśī runs from 21:44 on Sat 28 May to 21:46 on Sun 29 May and covers 65 of 82 minutes of pradoṣa that evening. It also reaches the previous evening for 20 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/1988/pradosha-vrata?on=1988-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/sankashta-chaturthi?on=1988-06-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36306, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-06-03T13:47:59+09:00", "utc": "1988-06-03T04:47:59Z", "ms": 581316478987.4658 }, "end": { "local": "1988-06-04T11:23:48+09:00", "utc": "1988-06-04T02:23:48Z", "ms": 581394228393.2853 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-03T13:47:59+09:00", "utc": "1988-06-03T04:47:59Z", "ms": 581316478987.4658 }, "end": { "local": "1988-06-04T11:23:48+09:00", "utc": "1988-06-04T02:23:48Z", "ms": 581394228393.2853 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-06-03", "window": { "start": { "local": "1988-06-03T23:53:05+09:00", "utc": "1988-06-03T14:53:05Z", "ms": 581352784773.0187 }, "end": { "local": "1988-06-03T23:53:05+09:00", "utc": "1988-06-03T14:53:05Z", "ms": 581352784773.0187 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-06-04", "window": { "start": { "local": "1988-06-05T00:39:36+09:00", "utc": "1988-06-04T15:39:36Z", "ms": 581441976384.8031 }, "end": { "local": "1988-06-05T00:39:36+09:00", "utc": "1988-06-04T15:39:36Z", "ms": 581441976384.8031 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:48 on Fri 3 Jun to 11:24 on Sat 4 Jun.", "fact": "1988-06-03T04:47:59Z → 1988-06-04T02:23:48Z" }, { "step": "kaala", "text": "Moonrise is at 23:53 on the 3rd and 00:40 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36306 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Friday 3 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": "1988-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-03", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Friday 3 June. Caturthī runs from 13:48 on Fri 3 Jun to 11:24 on Sat 4 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-06-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29549, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-06-09T22:43:46+09:00", "utc": "1988-06-09T13:43:46Z", "ms": 581867026491.8356 }, "end": { "local": "1988-06-10T21:13:39+09:00", "utc": "1988-06-10T12:13:39Z", "ms": 581948019106.2944 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-09T22:43:46+09:00", "utc": "1988-06-09T13:43:46Z", "ms": 581867026491.8356 }, "end": { "local": "1988-06-10T21:13:39+09:00", "utc": "1988-06-10T12:13:39Z", "ms": 581948019106.2944 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-06-10", "window": { "start": { "local": "1988-06-10T06:56:15+09:00", "utc": "1988-06-09T21:56:15Z", "ms": 581896575229.3507 }, "end": { "local": "1988-06-10T06:56:15+09:00", "utc": "1988-06-09T21:56:15Z", "ms": 581896575229.3507 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-06-11", "window": { "start": { "local": "1988-06-11T06:56:16+09:00", "utc": "1988-06-10T21:56:16Z", "ms": 581982975899.7565 }, "end": { "local": "1988-06-11T06:56:16+09:00", "utc": "1988-06-10T21:56:16Z", "ms": 581982975899.7565 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:44 on Thu 9 Jun to 21:14 on Fri 10 Jun.", "fact": "1988-06-09T13:43:46Z → 1988-06-10T12:13:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 10th and 06:56 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29549 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Zunyi, 1988: Friday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-10", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Ekādaśī 1988 falls on Friday 10 June. Ekādaśī runs from 22:44 on Thu 9 Jun to 21:14 on Fri 10 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-06-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2973, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-06-11T19:58:11+09:00", "utc": "1988-06-11T10:58:11Z", "ms": 582029891497.5579 }, "end": { "local": "1988-06-12T19:00:24+09:00", "utc": "1988-06-12T10:00:24Z", "ms": 582112823981.0372 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-11T19:58:11+09:00", "utc": "1988-06-11T10:58:11Z", "ms": 582029891497.5579 }, "end": { "local": "1988-06-12T19:00:24+09:00", "utc": "1988-06-12T10:00:24Z", "ms": 582112823981.0372 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-06-11", "window": { "start": { "local": "1988-06-11T20:47:44+09:00", "utc": "1988-06-11T11:47:44Z", "ms": 582032864382.4297 }, "end": { "local": "1988-06-11T22:08:53+09:00", "utc": "1988-06-11T13:08:53Z", "ms": 582037732841.978 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1988-06-12", "window": { "start": { "local": "1988-06-12T20:48:07+09:00", "utc": "1988-06-12T11:48:07Z", "ms": 582119286599.5371 }, "end": { "local": "1988-06-12T22:09:13+09:00", "utc": "1988-06-12T13:09:13Z", "ms": 582124152519.4128 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:58 on Sat 11 Jun to 19:00 on Sun 12 Jun.", "fact": "1988-06-11T10:58:11Z → 1988-06-12T10:00:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:48–22:09 on the 11th, 20:48–22:09 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 81 of 81 minutes on the 11th and 0 of 81 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 2973 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Saturday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-11", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Saturday 11 June. Trayodaśī runs from 19:58 on Sat 11 Jun to 19:00 on Sun 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-06-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23270, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-06-12T19:00:24+09:00", "utc": "1988-06-12T10:00:24Z", "ms": 582112823981.0372 }, "end": { "local": "1988-06-13T18:24:09+09:00", "utc": "1988-06-13T09:24:09Z", "ms": 582197049165.3245 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-12T19:00:24+09:00", "utc": "1988-06-12T10:00:24Z", "ms": 582112823981.0372 }, "end": { "local": "1988-06-13T18:24:09+09:00", "utc": "1988-06-13T09:24:09Z", "ms": 582197049165.3245 } }, "kaala": "nishita", "days": [ { "local_date": "1988-06-12", "window": { "start": { "local": "1988-06-13T01:28:14+09:00", "utc": "1988-06-12T16:28:14Z", "ms": 582136093799.0709 }, "end": { "local": "1988-06-13T02:16:14+09:00", "utc": "1988-06-12T17:16:14Z", "ms": 582138973799.0709 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-06-13", "window": { "start": { "local": "1988-06-14T01:28:27+09:00", "utc": "1988-06-13T16:28:27Z", "ms": 582222506667.4976 }, "end": { "local": "1988-06-14T02:16:27+09:00", "utc": "1988-06-13T17:16:27Z", "ms": 582225386667.4976 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:00 on Sun 12 Jun to 18:24 on Mon 13 Jun.", "fact": "1988-06-12T10:00:24Z → 1988-06-13T09:24:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:28–02:16 on the 12th, 01:28–02:16 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23270 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Sunday 12 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-12", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Sunday 12 June. Caturdaśī runs from 19:00 on Sun 12 Jun to 18:24 on Mon 13 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18548, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-06-16T19:26:10+09:00", "utc": "1988-06-16T10:26:10Z", "ms": 582459969873.904 }, "end": { "local": "1988-06-17T20:52:26+09:00", "utc": "1988-06-17T11:52:26Z", "ms": 582551546020.8539 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-16T19:26:10+09:00", "utc": "1988-06-16T10:26:10Z", "ms": 582459969873.904 }, "end": { "local": "1988-06-17T20:52:26+09:00", "utc": "1988-06-17T11:52:26Z", "ms": 582551546020.8539 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-06-16", "window": { "start": { "local": "1988-06-16T13:29:02+09:00", "utc": "1988-06-16T04:29:02Z", "ms": 582438542089.8071 }, "end": { "local": "1988-06-16T14:17:02+09:00", "utc": "1988-06-16T05:17:02Z", "ms": 582441422089.8071 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-06-17", "window": { "start": { "local": "1988-06-17T13:29:15+09:00", "utc": "1988-06-17T04:29:15Z", "ms": 582524954818.9622 }, "end": { "local": "1988-06-17T14:17:15+09:00", "utc": "1988-06-17T05:17:15Z", "ms": 582527834818.9622 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:26 on Thu 16 Jun to 20:52 on Fri 17 Jun.", "fact": "1988-06-16T10:26:10Z → 1988-06-17T11:52:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:29–14:17 on the 16th, 13:29–14:17 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18548 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Zunyi, 1988: Friday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-17", "confidence": "determinate" } ], "quote": "In Zunyi, Rambhā Tṛtīyā 1988 falls on Friday 17 June. Tṛtīyā runs from 19:26 on Thu 16 Jun to 20:52 on Fri 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-06-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23711, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-06-17T20:52:26+09:00", "utc": "1988-06-17T11:52:26Z", "ms": 582551546020.8539 }, "end": { "local": "1988-06-18T22:49:27+09:00", "utc": "1988-06-18T13:49:27Z", "ms": 582644966752.137 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-17T20:52:26+09:00", "utc": "1988-06-17T11:52:26Z", "ms": 582551546020.8539 }, "end": { "local": "1988-06-18T22:49:27+09:00", "utc": "1988-06-18T13:49:27Z", "ms": 582644966752.137 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-06-17", "window": { "start": { "local": "1988-06-17T13:29:15+09:00", "utc": "1988-06-17T04:29:15Z", "ms": 582524954818.9622 }, "end": { "local": "1988-06-17T14:17:15+09:00", "utc": "1988-06-17T05:17:15Z", "ms": 582527834818.9622 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-06-18", "window": { "start": { "local": "1988-06-18T13:29:28+09:00", "utc": "1988-06-18T04:29:28Z", "ms": 582611367598.5476 }, "end": { "local": "1988-06-18T14:17:28+09:00", "utc": "1988-06-18T05:17:28Z", "ms": 582614247598.5476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:52 on Fri 17 Jun to 22:49 on Sat 18 Jun.", "fact": "1988-06-17T11:52:26Z → 1988-06-18T13:49:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:29–14:17 on the 17th, 13:29–14:17 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23711 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Saturday 18 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": "1988-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-18", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Saturday 18 June. Caturthī runs from 20:52 on Fri 17 Jun to 22:49 on Sat 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-06-18", "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/1988/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35226, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-06-20T01:10:06+09:00", "utc": "1988-06-19T16:10:06Z", "ms": 582739805544.2184 }, "end": { "local": "1988-06-21T03:43:00+09:00", "utc": "1988-06-20T18:43:00Z", "ms": 582835380079.7002 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-20T01:10:06+09:00", "utc": "1988-06-19T16:10:06Z", "ms": 582739805544.2184 }, "end": { "local": "1988-06-21T03:43:00+09:00", "utc": "1988-06-20T18:43:00Z", "ms": 582835380079.7002 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-06-20", "window": { "start": { "local": "1988-06-20T13:29:53+09:00", "utc": "1988-06-20T04:29:53Z", "ms": 582784193205.048 }, "end": { "local": "1988-06-20T14:17:53+09:00", "utc": "1988-06-20T05:17:53Z", "ms": 582787073205.048 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-06-21", "window": { "start": { "local": "1988-06-21T13:30:06+09:00", "utc": "1988-06-21T04:30:06Z", "ms": 582870605981.2969 }, "end": { "local": "1988-06-21T14:18:06+09:00", "utc": "1988-06-21T05:18:06Z", "ms": 582873485981.2969 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:10 on Mon 20 Jun to 03:43 on Tue 21 Jun.", "fact": "1988-06-19T16:10:06Z → 1988-06-20T18:43:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 20th, 13:30–14:18 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35226 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Zunyi, 1988: Monday 20 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": "1988-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-20", "confidence": "determinate" } ], "quote": "In Zunyi, Araṇya Gaurī Vrata 1988 falls on Monday 20 June. Ṣaṣṭhī runs from 01:10 on Mon 20 Jun to 03:43 on Tue 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35226, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-06-20T01:10:06+09:00", "utc": "1988-06-19T16:10:06Z", "ms": 582739805544.2184 }, "end": { "local": "1988-06-21T03:43:00+09:00", "utc": "1988-06-20T18:43:00Z", "ms": 582835380079.7002 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-20T01:10:06+09:00", "utc": "1988-06-19T16:10:06Z", "ms": 582739805544.2184 }, "end": { "local": "1988-06-21T03:43:00+09:00", "utc": "1988-06-20T18:43:00Z", "ms": 582835380079.7002 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-06-20", "window": { "start": { "local": "1988-06-20T13:29:53+09:00", "utc": "1988-06-20T04:29:53Z", "ms": 582784193205.048 }, "end": { "local": "1988-06-20T14:17:53+09:00", "utc": "1988-06-20T05:17:53Z", "ms": 582787073205.048 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-06-21", "window": { "start": { "local": "1988-06-21T13:30:06+09:00", "utc": "1988-06-21T04:30:06Z", "ms": 582870605981.2969 }, "end": { "local": "1988-06-21T14:18:06+09:00", "utc": "1988-06-21T05:18:06Z", "ms": 582873485981.2969 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:10 on Mon 20 Jun to 03:43 on Tue 21 Jun.", "fact": "1988-06-19T16:10:06Z → 1988-06-20T18:43:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 20th, 13:30–14:18 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35226 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Zunyi, 1988: Monday 20 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": "1988-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-20", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1988 falls on Monday 20 June. Ṣaṣṭhī runs from 01:10 on Mon 20 Jun to 03:43 on Tue 21 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-06-26", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14822, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-06-25T11:05:29+09:00", "utc": "1988-06-25T02:05:29Z", "ms": 583207529479.7035 }, "end": { "local": "1988-06-26T11:16:05+09:00", "utc": "1988-06-26T02:16:05Z", "ms": 583294565077.5912 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-25T11:05:29+09:00", "utc": "1988-06-25T02:05:29Z", "ms": 583207529479.7035 }, "end": { "local": "1988-06-26T11:16:05+09:00", "utc": "1988-06-26T02:16:05Z", "ms": 583294565077.5912 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-06-25", "window": { "start": { "local": "1988-06-25T06:58:28+09:00", "utc": "1988-06-24T21:58:28Z", "ms": 583192707662.6494 }, "end": { "local": "1988-06-25T06:58:28+09:00", "utc": "1988-06-24T21:58:28Z", "ms": 583192707662.6494 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-06-26", "window": { "start": { "local": "1988-06-26T06:58:45+09:00", "utc": "1988-06-25T21:58:45Z", "ms": 583279124868.2042 }, "end": { "local": "1988-06-26T06:58:45+09:00", "utc": "1988-06-25T21:58:45Z", "ms": 583279124868.2042 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:05 on Sat 25 Jun to 11:16 on Sun 26 Jun.", "fact": "1988-06-25T02:05:29Z → 1988-06-26T02:16:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 25th and 06:59 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14822 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Zunyi, 1988: Sunday 26 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": "1988-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-26", "confidence": "determinate" } ], "quote": "In Zunyi, Nirjalā Ekādaśī 1988 falls on Sunday 26 June. Ekādaśī runs from 11:05 on Sat 25 Jun to 11:16 on Sun 26 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8104, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-06-26T11:16:05+09:00", "utc": "1988-06-26T02:16:05Z", "ms": 583294565077.5912 }, "end": { "local": "1988-06-27T10:38:22+09:00", "utc": "1988-06-27T01:38:22Z", "ms": 583378702372.6554 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-26T11:16:05+09:00", "utc": "1988-06-26T02:16:05Z", "ms": 583294565077.5912 }, "end": { "local": "1988-06-27T10:38:22+09:00", "utc": "1988-06-27T01:38:22Z", "ms": 583378702372.6554 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-06-26", "window": { "start": { "local": "1988-06-26T13:31:09+09:00", "utc": "1988-06-26T04:31:09Z", "ms": 583302668632.3696 }, "end": { "local": "1988-06-26T14:19:09+09:00", "utc": "1988-06-26T05:19:09Z", "ms": 583305548632.3696 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-06-27", "window": { "start": { "local": "1988-06-27T13:31:21+09:00", "utc": "1988-06-27T04:31:21Z", "ms": 583389080759.9473 }, "end": { "local": "1988-06-27T14:19:21+09:00", "utc": "1988-06-27T05:19:21Z", "ms": 583391960759.9473 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:16 on Sun 26 Jun to 10:38 on Mon 27 Jun.", "fact": "1988-06-26T02:16:05Z → 1988-06-27T01:38:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 26th, 13:31–14:19 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8104 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Zunyi, 1988: Sunday 26 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": "1988-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-26", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Rāma Dvādaśī 1988 falls on Sunday 26 June. Dvādaśī runs from 11:16 on Sun 26 Jun to 10:38 on Mon 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-06-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36796, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-06-27T10:38:22+09:00", "utc": "1988-06-27T01:38:22Z", "ms": 583378702372.6554 }, "end": { "local": "1988-06-28T09:16:01+09:00", "utc": "1988-06-28T00:16:01Z", "ms": 583460160782.013 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-27T10:38:22+09:00", "utc": "1988-06-27T01:38:22Z", "ms": 583378702372.6554 }, "end": { "local": "1988-06-28T09:16:01+09:00", "utc": "1988-06-28T00:16:01Z", "ms": 583460160782.013 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-06-27", "window": { "start": { "local": "1988-06-27T20:51:39+09:00", "utc": "1988-06-27T11:51:39Z", "ms": 583415498541.6505 }, "end": { "local": "1988-06-27T22:12:40+09:00", "utc": "1988-06-27T13:12:40Z", "ms": 583420360331.7288 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1988-06-28", "window": { "start": { "local": "1988-06-28T20:51:43+09:00", "utc": "1988-06-28T11:51:43Z", "ms": 583501903443.5131 }, "end": { "local": "1988-06-28T22:12:47+09:00", "utc": "1988-06-28T13:12:47Z", "ms": 583506767225.7195 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:38 on Mon 27 Jun to 09:16 on Tue 28 Jun.", "fact": "1988-06-27T01:38:22Z → 1988-06-28T00:16:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:52–22:13 on the 27th, 20:52–22:13 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 81 minutes on the 27th and 0 of 81 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36796 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Monday 27 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": "1988-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-27", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Monday 27 June. Trayodaśī runs from 10:38 on Mon 27 Jun to 09:16 on Tue 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-06-27", "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/1988/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23573, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-06-29T07:15:39+09:00", "utc": "1988-06-28T22:15:39Z", "ms": 583539339251.2252 }, "end": { "local": "1988-06-30T04:45:46+09:00", "utc": "1988-06-29T19:45:46Z", "ms": 583616745652.8799 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1988-06-29T07:15:39+09:00", "utc": "1988-06-28T22:15:39Z", "ms": 583539339251.2252 }, "end": { "local": "1988-06-30T04:45:46+09:00", "utc": "1988-06-29T19:45:46Z", "ms": 583616745652.8799 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-06-28", "window": { "start": { "local": "1988-06-28T20:51:43+09:00", "utc": "1988-06-28T11:51:43Z", "ms": 583501903443.5131 }, "end": { "local": "1988-06-28T22:12:47+09:00", "utc": "1988-06-28T13:12:47Z", "ms": 583506767225.7195 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1988-06-29", "window": { "start": { "local": "1988-06-29T20:51:47+09:00", "utc": "1988-06-29T11:51:47Z", "ms": 583588307090.211 }, "end": { "local": "1988-06-29T22:12:53+09:00", "utc": "1988-06-29T13:12:53Z", "ms": 583593173142.4662 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:16 on Wed 29 Jun to 04:46 on Thu 30 Jun.", "fact": "1988-06-28T22:15:39Z → 1988-06-29T19:45:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:52–22:13 on the 28th, 20:52–22:13 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 81 minutes on the 28th and 81 of 81 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23573 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Zunyi, 1988: Wednesday 29 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": "1988-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-06-29", "confidence": "determinate" } ], "quote": "In Zunyi, Vaṭa Sāvitrī Vrata 1988 falls on Wednesday 29 June. Pūrṇimā runs from 07:16 on Wed 29 Jun to 04:46 on Thu 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-07-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12367, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-07-02T19:51:17+09:00", "utc": "1988-07-02T10:51:17Z", "ms": 583843876970.4944 }, "end": { "local": "1988-07-03T16:53:39+09:00", "utc": "1988-07-03T07:53:39Z", "ms": 583919619244.5671 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-02T19:51:17+09:00", "utc": "1988-07-02T10:51:17Z", "ms": 583843876970.4944 }, "end": { "local": "1988-07-03T16:53:39+09:00", "utc": "1988-07-03T07:53:39Z", "ms": 583919619244.5671 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-07-02", "window": { "start": { "local": "1988-07-02T23:17:24+09:00", "utc": "1988-07-02T14:17:24Z", "ms": 583856243555.7456 }, "end": { "local": "1988-07-02T23:17:24+09:00", "utc": "1988-07-02T14:17:24Z", "ms": 583856243555.7456 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-07-03", "window": { "start": { "local": "1988-07-03T23:55:31+09:00", "utc": "1988-07-03T14:55:31Z", "ms": 583944930851.2081 }, "end": { "local": "1988-07-03T23:55:31+09:00", "utc": "1988-07-03T14:55:31Z", "ms": 583944930851.2081 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:51 on Sat 2 Jul to 16:54 on Sun 3 Jul.", "fact": "1988-07-02T10:51:17Z → 1988-07-03T07:53:39Z" }, { "step": "kaala", "text": "Moonrise is at 23:17 on the 2nd and 23:56 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12367 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Saturday 2 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": "1988-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-02", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Saturday 2 July. Caturthī runs from 19:51 on Sat 2 Jul to 16:54 on Sun 3 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-07-02", "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/1988/ekadashi?on=1988-07-09", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5792, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-07-09T05:27:09+09:00", "utc": "1988-07-08T20:27:09Z", "ms": 584396829302.0339 }, "end": { "local": "1988-07-10T04:53:34+09:00", "utc": "1988-07-09T19:53:34Z", "ms": 584481213987.6533 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-09T05:27:09+09:00", "utc": "1988-07-08T20:27:09Z", "ms": 584396829302.0339 }, "end": { "local": "1988-07-10T04:53:34+09:00", "utc": "1988-07-09T19:53:34Z", "ms": 584481213987.6533 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-07-09", "window": { "start": { "local": "1988-07-09T07:03:42+09:00", "utc": "1988-07-08T22:03:42Z", "ms": 584402621795.2322 }, "end": { "local": "1988-07-09T07:03:42+09:00", "utc": "1988-07-08T22:03:42Z", "ms": 584402621795.2322 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-07-10", "window": { "start": { "local": "1988-07-10T07:04:09+09:00", "utc": "1988-07-09T22:04:09Z", "ms": 584489049356.9673 }, "end": { "local": "1988-07-10T07:04:09+09:00", "utc": "1988-07-09T22:04:09Z", "ms": 584489049356.9673 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:27 on Sat 9 Jul to 04:54 on Sun 10 Jul.", "fact": "1988-07-08T20:27:09Z → 1988-07-09T19:53:34Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 9th and 07:04 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5792 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Zunyi, 1988: Saturday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-09", "confidence": "determinate" } ], "quote": "In Zunyi, Yoginī Ekādaśī 1988 falls on Saturday 9 July. Ekādaśī runs from 05:27 on Sat 9 Jul to 04:54 on Sun 10 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-07-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23500, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-07-11T04:44:31+09:00", "utc": "1988-07-10T19:44:31Z", "ms": 584567070681.3668 }, "end": { "local": "1988-07-12T05:00:46+09:00", "utc": "1988-07-11T20:00:46Z", "ms": 584654445758.6655 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-11T04:44:31+09:00", "utc": "1988-07-10T19:44:31Z", "ms": 584567070681.3668 }, "end": { "local": "1988-07-12T05:00:46+09:00", "utc": "1988-07-11T20:00:46Z", "ms": 584654445758.6655 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-07-10", "window": { "start": { "local": "1988-07-10T20:51:02+09:00", "utc": "1988-07-10T11:51:02Z", "ms": 584538661748.0149 }, "end": { "local": "1988-07-10T22:12:51+09:00", "utc": "1988-07-10T13:12:51Z", "ms": 584543570507.1913 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1988-07-11", "window": { "start": { "local": "1988-07-11T20:50:50+09:00", "utc": "1988-07-11T11:50:50Z", "ms": 584625049654.0961 }, "end": { "local": "1988-07-11T22:12:44+09:00", "utc": "1988-07-11T13:12:44Z", "ms": 584629963835.6317 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:45 on Mon 11 Jul to 05:01 on Tue 12 Jul.", "fact": "1988-07-10T19:44:31Z → 1988-07-11T20:00:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:51–22:13 on the 10th, 20:51–22:13 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 10th and 82 of 82 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23500 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Monday 11 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": "1988-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Monday 11 July. Trayodaśī runs from 04:45 on Mon 11 Jul to 05:01 on Tue 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-07-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9528, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-07-12T05:00:46+09:00", "utc": "1988-07-11T20:00:46Z", "ms": 584654445758.6655 }, "end": { "local": "1988-07-13T05:43:20+09:00", "utc": "1988-07-12T20:43:20Z", "ms": 584743400011.1375 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-12T05:00:46+09:00", "utc": "1988-07-11T20:00:46Z", "ms": 584654445758.6655 }, "end": { "local": "1988-07-13T05:43:20+09:00", "utc": "1988-07-12T20:43:20Z", "ms": 584743400011.1375 } }, "kaala": "nishita", "days": [ { "local_date": "1988-07-11", "window": { "start": { "local": "1988-07-12T01:33:58+09:00", "utc": "1988-07-11T16:33:58Z", "ms": 584642037834.8545 }, "end": { "local": "1988-07-12T02:21:58+09:00", "utc": "1988-07-11T17:21:58Z", "ms": 584644917834.8545 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-07-12", "window": { "start": { "local": "1988-07-13T01:34:06+09:00", "utc": "1988-07-12T16:34:06Z", "ms": 584728445623.6594 }, "end": { "local": "1988-07-13T02:22:06+09:00", "utc": "1988-07-12T17:22:06Z", "ms": 584731325623.6594 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:01 on Tue 12 Jul to 05:43 on Wed 13 Jul.", "fact": "1988-07-11T20:00:46Z → 1988-07-12T20:43:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:34–02:22 on the 11th, 01:34–02:22 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9528 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Tuesday 12 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": "1988-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-12", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Tuesday 12 July. Caturdaśī runs from 05:01 on Tue 12 Jul to 05:43 on Wed 13 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-07-12", "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/1988/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10967, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1988-07-15T08:29:44+09:00", "utc": "1988-07-14T23:29:44Z", "ms": 584926183856.2998 }, "end": { "local": "1988-07-16T10:31:29+09:00", "utc": "1988-07-16T01:31:29Z", "ms": 585019889315.3826 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-15T08:29:44+09:00", "utc": "1988-07-14T23:29:44Z", "ms": 584926183856.2998 }, "end": { "local": "1988-07-16T10:31:29+09:00", "utc": "1988-07-16T01:31:29Z", "ms": 585019889315.3826 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-07-15", "window": { "start": { "local": "1988-07-15T13:34:11+09:00", "utc": "1988-07-15T04:34:11Z", "ms": 584944451001.0337 }, "end": { "local": "1988-07-15T14:22:11+09:00", "utc": "1988-07-15T05:22:11Z", "ms": 584947331001.0337 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-07-16", "window": { "start": { "local": "1988-07-16T13:34:17+09:00", "utc": "1988-07-16T04:34:17Z", "ms": 585030856641.8558 }, "end": { "local": "1988-07-16T14:22:17+09:00", "utc": "1988-07-16T05:22:17Z", "ms": 585033736641.8558 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 08:30 on Fri 15 Jul to 10:31 on Sat 16 Jul.", "fact": "1988-07-14T23:29:44Z → 1988-07-16T01:31:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:34–14:22 on the 15th, 13:34–14:22 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10967 s" }, { "step": "ruling", "text": "Rathayātrā, Zunyi, 1988: Friday 15 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-15", "confidence": "determinate" } ], "quote": "In Zunyi, Rathayātrā 1988 falls on Friday 15 July. Dvitīyā runs from 08:30 on Fri 15 Jul to 10:31 on Sat 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-07-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2442, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-07-17T12:53:40+09:00", "utc": "1988-07-17T03:53:40Z", "ms": 585114820037.375 }, "end": { "local": "1988-07-18T15:28:23+09:00", "utc": "1988-07-18T06:28:23Z", "ms": 585210503173.0255 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-17T12:53:40+09:00", "utc": "1988-07-17T03:53:40Z", "ms": 585114820037.375 }, "end": { "local": "1988-07-18T15:28:23+09:00", "utc": "1988-07-18T06:28:23Z", "ms": 585210503173.0255 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-07-17", "window": { "start": { "local": "1988-07-17T13:34:22+09:00", "utc": "1988-07-17T04:34:22Z", "ms": 585117261761.0964 }, "end": { "local": "1988-07-17T14:22:22+09:00", "utc": "1988-07-17T05:22:22Z", "ms": 585120141761.0964 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-07-18", "window": { "start": { "local": "1988-07-18T13:34:26+09:00", "utc": "1988-07-18T04:34:26Z", "ms": 585203666344.4946 }, "end": { "local": "1988-07-18T14:22:26+09:00", "utc": "1988-07-18T05:22:26Z", "ms": 585206546344.4946 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:54 on Sun 17 Jul to 15:28 on Mon 18 Jul.", "fact": "1988-07-17T03:53:40Z → 1988-07-18T06:28:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:34–14:22 on the 17th, 13:34–14:22 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2442 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Sunday 17 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-07-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-18", "confidence": "boundary" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Sunday 17 July. Caturthī runs from 12:54 on Sun 17 Jul to 15:28 on Mon 18 Jul and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-07-17", "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/1988/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3957, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-07-18T15:28:23+09:00", "utc": "1988-07-18T06:28:23Z", "ms": 585210503173.0255 }, "end": { "local": "1988-07-19T18:04:37+09:00", "utc": "1988-07-19T09:04:37Z", "ms": 585306276560.5707 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-18T15:28:23+09:00", "utc": "1988-07-18T06:28:23Z", "ms": 585210503173.0255 }, "end": { "local": "1988-07-19T18:04:37+09:00", "utc": "1988-07-19T09:04:37Z", "ms": 585306276560.5707 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-07-18", "window": { "start": { "local": "1988-07-18T13:34:26+09:00", "utc": "1988-07-18T04:34:26Z", "ms": 585203666344.4946 }, "end": { "local": "1988-07-18T14:22:26+09:00", "utc": "1988-07-18T05:22:26Z", "ms": 585206546344.4946 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-07-19", "window": { "start": { "local": "1988-07-19T13:34:30+09:00", "utc": "1988-07-19T04:34:30Z", "ms": 585290070379.0363 }, "end": { "local": "1988-07-19T14:22:30+09:00", "utc": "1988-07-19T05:22:30Z", "ms": 585292950379.0363 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:28 on Mon 18 Jul to 18:05 on Tue 19 Jul.", "fact": "1988-07-18T06:28:23Z → 1988-07-19T09:04:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:34–14:22 on the 18th, 13:35–14:23 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3957 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Zunyi, 1988: Tuesday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-19", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Pañcamī 1988 falls on Tuesday 19 July. Pañcamī runs from 15:28 on Mon 18 Jul to 18:05 on Tue 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21992, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-07-20T20:29:06+09:00", "utc": "1988-07-20T11:29:06Z", "ms": 585401346066.5402 }, "end": { "local": "1988-07-21T22:28:10+09:00", "utc": "1988-07-21T13:28:10Z", "ms": 585494890496.3563 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-20T20:29:06+09:00", "utc": "1988-07-20T11:29:06Z", "ms": 585401346066.5402 }, "end": { "local": "1988-07-21T22:28:10+09:00", "utc": "1988-07-21T13:28:10Z", "ms": 585494890496.3563 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-07-20", "window": { "start": { "local": "1988-07-20T13:34:34+09:00", "utc": "1988-07-20T04:34:34Z", "ms": 585376473852.9729 }, "end": { "local": "1988-07-20T14:22:34+09:00", "utc": "1988-07-20T05:22:34Z", "ms": 585379353852.9729 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-07-21", "window": { "start": { "local": "1988-07-21T13:34:37+09:00", "utc": "1988-07-21T04:34:37Z", "ms": 585462876755.8345 }, "end": { "local": "1988-07-21T14:22:37+09:00", "utc": "1988-07-21T05:22:37Z", "ms": 585465756755.8345 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:29 on Wed 20 Jul to 22:28 on Thu 21 Jul.", "fact": "1988-07-20T11:29:06Z → 1988-07-21T13:28:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:35–14:23 on the 20th, 13:35–14:23 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21992 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Zunyi, 1988: Thursday 21 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": "1988-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-21", "confidence": "determinate" } ], "quote": "In Zunyi, Vivasvat Saptamī 1988 falls on Thursday 21 July. Saptamī runs from 20:29 on Wed 20 Jul to 22:28 on Thu 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-07-25", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25270, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-07-25T00:10:37+09:00", "utc": "1988-07-24T15:10:37Z", "ms": 585760237298.8401 }, "end": { "local": "1988-07-25T23:05:56+09:00", "utc": "1988-07-25T14:05:56Z", "ms": 585842755849.421 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-25T00:10:37+09:00", "utc": "1988-07-24T15:10:37Z", "ms": 585760237298.8401 }, "end": { "local": "1988-07-25T23:05:56+09:00", "utc": "1988-07-25T14:05:56Z", "ms": 585842755849.421 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-07-25", "window": { "start": { "local": "1988-07-25T07:11:47+09:00", "utc": "1988-07-24T22:11:47Z", "ms": 585785507239.4792 }, "end": { "local": "1988-07-25T07:11:47+09:00", "utc": "1988-07-24T22:11:47Z", "ms": 585785507239.4792 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-07-26", "window": { "start": { "local": "1988-07-26T07:12:19+09:00", "utc": "1988-07-25T22:12:19Z", "ms": 585871939387.2196 }, "end": { "local": "1988-07-26T07:12:19+09:00", "utc": "1988-07-25T22:12:19Z", "ms": 585871939387.2196 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:11 on Mon 25 Jul to 23:06 on Mon 25 Jul.", "fact": "1988-07-24T15:10:37Z → 1988-07-25T14:05:56Z" }, { "step": "kaala", "text": "Sunrise is at 07:12 on the 25th and 07:12 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 25270 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Zunyi, 1988: Monday 25 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": "1988-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-25", "confidence": "determinate" } ], "quote": "In Zunyi, Hariśayanī Ekādaśī 1988 falls on Monday 25 July. Ekādaśī runs from 00:11 on Mon 25 Jul to 23:06 on Mon 25 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-07-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1815, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-07-26T21:15:20+09:00", "utc": "1988-07-26T12:15:20Z", "ms": 585922520489.0883 }, "end": { "local": "1988-07-27T18:45:45+09:00", "utc": "1988-07-27T09:45:45Z", "ms": 585999944701.8605 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-26T21:15:20+09:00", "utc": "1988-07-26T12:15:20Z", "ms": 585922520489.0883 }, "end": { "local": "1988-07-27T18:45:45+09:00", "utc": "1988-07-27T09:45:45Z", "ms": 585999944701.8605 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-07-26", "window": { "start": { "local": "1988-07-26T20:45:05+09:00", "utc": "1988-07-26T11:45:05Z", "ms": 585920705476.6523 }, "end": { "local": "1988-07-26T22:08:48+09:00", "utc": "1988-07-26T13:08:48Z", "ms": 585925727626.314 } }, "covered_min": 53, "window_min": 84, "qualifies": true }, { "local_date": "1988-07-27", "window": { "start": { "local": "1988-07-27T20:44:32+09:00", "utc": "1988-07-27T11:44:32Z", "ms": 586007071932.4812 }, "end": { "local": "1988-07-27T22:08:23+09:00", "utc": "1988-07-27T13:08:23Z", "ms": 586012102855.8591 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:15 on Tue 26 Jul to 18:46 on Wed 27 Jul.", "fact": "1988-07-26T12:15:20Z → 1988-07-27T09:45:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:45–22:09 on the 26th, 20:45–22:08 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 53 of 84 minutes on the 26th and 0 of 84 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 1815 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Tuesday 26 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": "1988-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-26", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Tuesday 26 July. Trayodaśī runs from 21:15 on Tue 26 Jul to 18:46 on Wed 27 Jul and covers 53 of 84 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-07-26", "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/1988/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8161, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 } }, "kaala": "sayahna", "days": [ { "local_date": "1988-07-28", "window": { "start": { "local": "1988-07-28T18:01:50+09:00", "utc": "1988-07-28T09:01:50Z", "ms": 586083710477.9402 }, "end": { "local": "1988-07-28T20:43:57+09:00", "utc": "1988-07-28T11:43:57Z", "ms": 586093437132.9712 } }, "covered_min": 162, "window_min": 162, "qualifies": true }, { "local_date": "1988-07-29", "window": { "start": { "local": "1988-07-29T18:01:28+09:00", "utc": "1988-07-29T09:01:28Z", "ms": 586170088106.7119 }, "end": { "local": "1988-07-29T20:43:21+09:00", "utc": "1988-07-29T11:43:21Z", "ms": 586179801096.3599 } }, "covered_min": 0, "window_min": 162, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul.", "fact": "1988-07-28T06:45:50Z → 1988-07-29T03:25:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 18:02–20:44 on the 28th, 18:01–20:43 on the 29th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 162 of 162 minutes on the 28th and 0 of 162 on the 29th.", "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 8161 s" }, { "step": "ruling", "text": "Kokilā Vrata, Zunyi, 1988: Thursday 28 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": "1988-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-28", "confidence": "determinate" } ], "quote": "In Zunyi, Kokilā Vrata 1988 falls on Thursday 28 July. Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17887, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-07-28", "window": { "start": { "local": "1988-07-28T20:43:57+09:00", "utc": "1988-07-28T11:43:57Z", "ms": 586093437132.9712 }, "end": { "local": "1988-07-28T22:07:57+09:00", "utc": "1988-07-28T13:07:57Z", "ms": 586098477001.6577 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1988-07-29", "window": { "start": { "local": "1988-07-29T20:43:21+09:00", "utc": "1988-07-29T11:43:21Z", "ms": 586179801096.3599 }, "end": { "local": "1988-07-29T22:07:30+09:00", "utc": "1988-07-29T13:07:30Z", "ms": 586184850077.7623 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul.", "fact": "1988-07-28T06:45:50Z → 1988-07-29T03:25:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:44–22:08 on the 28th, 20:43–22:08 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 28th and 0 of 84 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17887 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Zunyi, 1988: Thursday 28 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": "1988-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-28", "confidence": "determinate" } ], "quote": "In Zunyi, Śiva Śayanotsava 1988 falls on Thursday 28 July. Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8964, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 } }, "kaala": "udaya-3", "days": [ { "local_date": "1988-07-28", "window": { "start": { "local": "1988-07-28T07:13:24+09:00", "utc": "1988-07-27T22:13:24Z", "ms": 586044803857.816 }, "end": { "local": "1988-07-28T09:55:31+09:00", "utc": "1988-07-28T00:55:31Z", "ms": 586054530512.847 } }, "covered_min": 0, "window_min": 162, "qualifies": false }, { "local_date": "1988-07-29", "window": { "start": { "local": "1988-07-29T07:13:56+09:00", "utc": "1988-07-28T22:13:56Z", "ms": 586131236148.1204 }, "end": { "local": "1988-07-29T09:55:49+09:00", "utc": "1988-07-29T00:55:49Z", "ms": 586140949137.7683 } }, "covered_min": 162, "window_min": 162, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul.", "fact": "1988-07-28T06:45:50Z → 1988-07-29T03:25:13Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 07:13–09:56 on the 28th, 07:14–09:56 on the 29th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 162 minutes on the 28th and 162 of 162 on the 29th.", "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 8964 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Zunyi, 1988: Friday 29 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": "1988-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-29", "confidence": "determinate" } ], "quote": "In Zunyi, Vyāsa Pūjā 1988 falls on Friday 29 July. Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4166, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1988-07-28T15:45:50+09:00", "utc": "1988-07-28T06:45:50Z", "ms": 586075549719.282 }, "end": { "local": "1988-07-29T12:25:13+09:00", "utc": "1988-07-29T03:25:13Z", "ms": 586149912809.8824 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-07-28", "window": { "start": { "local": "1988-07-28T13:34:40+09:00", "utc": "1988-07-28T04:34:40Z", "ms": 586067680495.3936 }, "end": { "local": "1988-07-28T14:22:40+09:00", "utc": "1988-07-28T05:22:40Z", "ms": 586070560495.3936 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-07-29", "window": { "start": { "local": "1988-07-29T13:34:39+09:00", "utc": "1988-07-29T04:34:39Z", "ms": 586154078622.2401 }, "end": { "local": "1988-07-29T14:22:39+09:00", "utc": "1988-07-29T05:22:39Z", "ms": 586156958622.2401 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul.", "fact": "1988-07-28T06:45:50Z → 1988-07-29T03:25:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:35–14:23 on the 28th, 13:35–14:23 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 4166 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Zunyi, 1988: Friday 29 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": "1988-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-29", "confidence": "determinate" } ], "quote": "In Zunyi, Guru Pūrṇimā 1988 falls on Friday 29 July. Pūrṇimā runs from 15:46 on Thu 28 Jul to 12:25 on Fri 29 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27029, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1988-07-30T08:53:47+09:00", "utc": "1988-07-29T23:53:47Z", "ms": 586223627498.8875 }, "end": { "local": "1988-07-31T05:21:14+09:00", "utc": "1988-07-30T20:21:14Z", "ms": 586297274029.6648 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-07-30T08:53:47+09:00", "utc": "1988-07-29T23:53:47Z", "ms": 586223627498.8875 }, "end": { "local": "1988-07-31T05:21:14+09:00", "utc": "1988-07-30T20:21:14Z", "ms": 586297274029.6648 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-07-29", "window": { "start": { "local": "1988-07-29T21:09:18+09:00", "utc": "1988-07-29T12:09:18Z", "ms": 586181358090.4269 }, "end": { "local": "1988-07-29T21:09:18+09:00", "utc": "1988-07-29T12:09:18Z", "ms": 586181358090.4269 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-07-30", "window": { "start": { "local": "1988-07-30T21:50:45+09:00", "utc": "1988-07-30T12:50:45Z", "ms": 586270245480.3215 }, "end": { "local": "1988-07-30T21:50:45+09:00", "utc": "1988-07-30T12:50:45Z", "ms": 586270245480.3215 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 08:54 on Sat 30 Jul to 05:21 on Sun 31 Jul.", "fact": "1988-07-29T23:53:47Z → 1988-07-30T20:21:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 29th and 21:51 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 29th and is on the 30th.", "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 27029 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Zunyi, 1988: Saturday 30 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": "1988-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-30", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata (Āṣāḍha) 1988 falls on Saturday 30 July. Dvitīyā runs from 08:54 on Sat 30 Jul to 05:21 on Sun 31 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-07-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-07-31", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 844, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-08-01T01:56:37+09:00", "utc": "1988-07-31T16:56:37Z", "ms": 586371396770.093 }, "end": { "local": "1988-08-01T22:48:06+09:00", "utc": "1988-08-01T13:48:06Z", "ms": 586446485501.8619 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-01T01:56:37+09:00", "utc": "1988-07-31T16:56:37Z", "ms": 586371396770.093 }, "end": { "local": "1988-08-01T22:48:06+09:00", "utc": "1988-08-01T13:48:06Z", "ms": 586446485501.8619 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-07-31", "window": { "start": { "local": "1988-07-31T22:27:45+09:00", "utc": "1988-07-31T13:27:45Z", "ms": 586358864509.1837 }, "end": { "local": "1988-07-31T22:27:45+09:00", "utc": "1988-07-31T13:27:45Z", "ms": 586358864509.1837 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-08-01", "window": { "start": { "local": "1988-08-01T23:02:10+09:00", "utc": "1988-08-01T14:02:10Z", "ms": 586447329536.1638 }, "end": { "local": "1988-08-01T23:02:10+09:00", "utc": "1988-08-01T14:02:10Z", "ms": 586447329536.1638 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:57 on Mon 1 Aug to 22:48 on Mon 1 Aug.", "fact": "1988-07-31T16:56:37Z → 1988-08-01T13:48:06Z" }, { "step": "kaala", "text": "Moonrise is at 22:28 on the 31st and 23:02 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 31st and is not on the 1st.", "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 844 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Sunday 31 July.", "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": "1988-07-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-07-31", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Sunday 31 July. Caturthī runs from 01:57 on Mon 1 Aug to 22:48 on Mon 1 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-08-08", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25165, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-08-07T14:18:11+09:00", "utc": "1988-08-07T05:18:11Z", "ms": 586934291490.2374 }, "end": { "local": "1988-08-08T14:51:10+09:00", "utc": "1988-08-08T05:51:10Z", "ms": 587022669850.0043 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-07T14:18:11+09:00", "utc": "1988-08-07T05:18:11Z", "ms": 586934291490.2374 }, "end": { "local": "1988-08-08T14:51:10+09:00", "utc": "1988-08-08T05:51:10Z", "ms": 587022669850.0043 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-08-07", "window": { "start": { "local": "1988-08-07T07:18:46+09:00", "utc": "1988-08-06T22:18:46Z", "ms": 586909126253.3378 }, "end": { "local": "1988-08-07T07:18:46+09:00", "utc": "1988-08-06T22:18:46Z", "ms": 586909126253.3378 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-08-08", "window": { "start": { "local": "1988-08-08T07:19:18+09:00", "utc": "1988-08-07T22:19:18Z", "ms": 586995558211.193 }, "end": { "local": "1988-08-08T07:19:18+09:00", "utc": "1988-08-07T22:19:18Z", "ms": 586995558211.193 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:18 on Sun 7 Aug to 14:51 on Mon 8 Aug.", "fact": "1988-08-07T05:18:11Z → 1988-08-08T05:51:10Z" }, { "step": "kaala", "text": "Sunrise is at 07:19 on the 7th and 07:19 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 25165 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Zunyi, 1988: Monday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-08", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmikā Ekādaśī 1988 falls on Monday 8 August. Ekādaśī runs from 14:18 on Sun 7 Aug to 14:51 on Mon 8 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-08-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11430, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-08-09T15:54:10+09:00", "utc": "1988-08-09T06:54:10Z", "ms": 587112849643.348 }, "end": { "local": "1988-08-10T17:24:09+09:00", "utc": "1988-08-10T08:24:09Z", "ms": 587204648896.9949 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-09T15:54:10+09:00", "utc": "1988-08-09T06:54:10Z", "ms": 587112849643.348 }, "end": { "local": "1988-08-10T17:24:09+09:00", "utc": "1988-08-10T08:24:09Z", "ms": 587204648896.9949 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-08-09", "window": { "start": { "local": "1988-08-09T20:35:29+09:00", "utc": "1988-08-09T11:35:29Z", "ms": 587129728504.9427 }, "end": { "local": "1988-08-09T22:01:28+09:00", "utc": "1988-08-09T13:01:28Z", "ms": 587134887611.3694 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1988-08-10", "window": { "start": { "local": "1988-08-10T20:34:39+09:00", "utc": "1988-08-10T11:34:39Z", "ms": 587216079106.1978 }, "end": { "local": "1988-08-10T22:00:49+09:00", "utc": "1988-08-10T13:00:49Z", "ms": 587221249013.6517 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:54 on Tue 9 Aug to 17:24 on Wed 10 Aug.", "fact": "1988-08-09T06:54:10Z → 1988-08-10T08:24:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:35–22:01 on the 9th, 20:35–22:01 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 86 of 86 minutes on the 9th and 0 of 86 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 11430 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Tuesday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-09", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Tuesday 9 August. Trayodaśī runs from 15:54 on Tue 9 Aug to 17:24 on Wed 10 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-08-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22553, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-08-10T17:24:09+09:00", "utc": "1988-08-10T08:24:09Z", "ms": 587204648896.9949 }, "end": { "local": "1988-08-11T19:17:44+09:00", "utc": "1988-08-11T10:17:44Z", "ms": 587297863830.4938 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-10T17:24:09+09:00", "utc": "1988-08-10T08:24:09Z", "ms": 587204648896.9949 }, "end": { "local": "1988-08-11T19:17:44+09:00", "utc": "1988-08-11T10:17:44Z", "ms": 587297863830.4938 } }, "kaala": "nishita", "days": [ { "local_date": "1988-08-10", "window": { "start": { "local": "1988-08-11T01:33:46+09:00", "utc": "1988-08-10T16:33:46Z", "ms": 587234026259.1499 }, "end": { "local": "1988-08-11T02:21:46+09:00", "utc": "1988-08-10T17:21:46Z", "ms": 587236906259.1499 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-11", "window": { "start": { "local": "1988-08-12T01:33:37+09:00", "utc": "1988-08-11T16:33:37Z", "ms": 587320416798.2246 }, "end": { "local": "1988-08-12T02:21:37+09:00", "utc": "1988-08-11T17:21:37Z", "ms": 587323296798.2246 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:24 on Wed 10 Aug to 19:18 on Thu 11 Aug.", "fact": "1988-08-10T08:24:09Z → 1988-08-11T10:17:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:34–02:22 on the 10th, 01:34–02:22 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22553 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Wednesday 10 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": "1988-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-10", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Wednesday 10 August. Caturdaśī runs from 17:24 on Wed 10 Aug to 19:18 on Thu 11 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-08-10", "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/1988/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29939, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-08-15T02:35:49+09:00", "utc": "1988-08-14T17:35:49Z", "ms": 587583348920.6423 }, "end": { "local": "1988-08-16T05:13:27+09:00", "utc": "1988-08-15T20:13:27Z", "ms": 587679207342.386 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-15T02:35:49+09:00", "utc": "1988-08-14T17:35:49Z", "ms": 587583348920.6423 }, "end": { "local": "1988-08-16T05:13:27+09:00", "utc": "1988-08-15T20:13:27Z", "ms": 587679207342.386 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-15", "window": { "start": { "local": "1988-08-15T13:32:38+09:00", "utc": "1988-08-15T04:32:38Z", "ms": 587622757984.7533 }, "end": { "local": "1988-08-15T14:20:38+09:00", "utc": "1988-08-15T05:20:38Z", "ms": 587625637984.7533 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-16", "window": { "start": { "local": "1988-08-16T13:32:26+09:00", "utc": "1988-08-16T04:32:26Z", "ms": 587709145864.4374 }, "end": { "local": "1988-08-16T14:20:26+09:00", "utc": "1988-08-16T05:20:26Z", "ms": 587712025864.4374 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:36 on Mon 15 Aug to 05:13 on Tue 16 Aug.", "fact": "1988-08-14T17:35:49Z → 1988-08-15T20:13:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:33–14:21 on the 15th, 13:32–14:20 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29939 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Zunyi, 1988: Monday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-15", "confidence": "determinate" } ], "quote": "In Zunyi, Madhusravā Tṛtīyā (Hariyali Teej) 1988 falls on Monday 15 August. Tṛtīyā runs from 02:36 on Mon 15 Aug to 05:13 on Tue 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-08-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20976, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-08-16T05:13:27+09:00", "utc": "1988-08-15T20:13:27Z", "ms": 587679207342.386 }, "end": { "local": "1988-08-17T07:42:37+09:00", "utc": "1988-08-16T22:42:37Z", "ms": 587774556739.8748 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-16T05:13:27+09:00", "utc": "1988-08-15T20:13:27Z", "ms": 587679207342.386 }, "end": { "local": "1988-08-17T07:42:37+09:00", "utc": "1988-08-16T22:42:37Z", "ms": 587774556739.8748 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-16", "window": { "start": { "local": "1988-08-16T13:32:26+09:00", "utc": "1988-08-16T04:32:26Z", "ms": 587709145864.4374 }, "end": { "local": "1988-08-16T14:20:26+09:00", "utc": "1988-08-16T05:20:26Z", "ms": 587712025864.4374 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-17", "window": { "start": { "local": "1988-08-17T13:32:13+09:00", "utc": "1988-08-17T04:32:13Z", "ms": 587795533218.084 }, "end": { "local": "1988-08-17T14:20:13+09:00", "utc": "1988-08-17T05:20:13Z", "ms": 587798413218.084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:13 on Tue 16 Aug to 07:43 on Wed 17 Aug.", "fact": "1988-08-15T20:13:27Z → 1988-08-16T22:42:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:32–14:20 on the 16th, 13:32–14:20 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20976 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Tuesday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-16", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Tuesday 16 August. Caturthī runs from 05:13 on Tue 16 Aug to 07:43 on Wed 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-08-16", "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/1988/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13147, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-08-17T07:42:37+09:00", "utc": "1988-08-16T22:42:37Z", "ms": 587774556739.8748 }, "end": { "local": "1988-08-18T09:52:54+09:00", "utc": "1988-08-18T00:52:54Z", "ms": 587868773509.2124 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-17T07:42:37+09:00", "utc": "1988-08-16T22:42:37Z", "ms": 587774556739.8748 }, "end": { "local": "1988-08-18T09:52:54+09:00", "utc": "1988-08-18T00:52:54Z", "ms": 587868773509.2124 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-17", "window": { "start": { "local": "1988-08-17T13:32:13+09:00", "utc": "1988-08-17T04:32:13Z", "ms": 587795533218.084 }, "end": { "local": "1988-08-17T14:20:13+09:00", "utc": "1988-08-17T05:20:13Z", "ms": 587798413218.084 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-18", "window": { "start": { "local": "1988-08-18T13:32:00+09:00", "utc": "1988-08-18T04:32:00Z", "ms": 587881920054.2771 }, "end": { "local": "1988-08-18T14:20:00+09:00", "utc": "1988-08-18T05:20:00Z", "ms": 587884800054.2771 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:43 on Wed 17 Aug to 09:53 on Thu 18 Aug.", "fact": "1988-08-16T22:42:37Z → 1988-08-18T00:52:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:32–14:20 on the 17th, 13:32–14:20 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 13147 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Zunyi, 1988: Wednesday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-17", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī 1988 falls on Wednesday 17 August. Pañcamī runs from 07:43 on Wed 17 Aug to 09:53 on Thu 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-08-24", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5809, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-08-23T11:06:29+09:00", "utc": "1988-08-23T02:06:29Z", "ms": 588305189481.3492 }, "end": { "local": "1988-08-24T09:04:18+09:00", "utc": "1988-08-24T00:04:18Z", "ms": 588384258126.6814 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-23T11:06:29+09:00", "utc": "1988-08-23T02:06:29Z", "ms": 588305189481.3492 }, "end": { "local": "1988-08-24T09:04:18+09:00", "utc": "1988-08-24T00:04:18Z", "ms": 588384258126.6814 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-08-23", "window": { "start": { "local": "1988-08-23T07:27:00+09:00", "utc": "1988-08-22T22:27:00Z", "ms": 588292019562.7728 }, "end": { "local": "1988-08-23T07:27:00+09:00", "utc": "1988-08-22T22:27:00Z", "ms": 588292019562.7728 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-08-24", "window": { "start": { "local": "1988-08-24T07:27:29+09:00", "utc": "1988-08-23T22:27:29Z", "ms": 588378448848.1216 }, "end": { "local": "1988-08-24T07:27:29+09:00", "utc": "1988-08-23T22:27:29Z", "ms": 588378448848.1216 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:06 on Tue 23 Aug to 09:04 on Wed 24 Aug.", "fact": "1988-08-23T02:06:29Z → 1988-08-24T00:04:18Z" }, { "step": "kaala", "text": "Sunrise is at 07:27 on the 23rd and 07:27 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 5809 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 1988: Wednesday 24 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": "1988-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-24", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 1988 falls on Wednesday 24 August. Ekādaśī runs from 11:06 on Tue 23 Aug to 09:04 on Wed 24 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-08-24", "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/1988/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15973, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-08-24T09:04:18+09:00", "utc": "1988-08-24T00:04:18Z", "ms": 588384258126.6814 }, "end": { "local": "1988-08-25T06:23:49+09:00", "utc": "1988-08-24T21:23:49Z", "ms": 588461028569.956 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-24T09:04:18+09:00", "utc": "1988-08-24T00:04:18Z", "ms": 588384258126.6814 }, "end": { "local": "1988-08-25T06:23:49+09:00", "utc": "1988-08-24T21:23:49Z", "ms": 588461028569.956 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-24", "window": { "start": { "local": "1988-08-24T13:30:31+09:00", "utc": "1988-08-24T04:30:31Z", "ms": 588400230801.096 }, "end": { "local": "1988-08-24T14:18:31+09:00", "utc": "1988-08-24T05:18:31Z", "ms": 588403110801.096 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-25", "window": { "start": { "local": "1988-08-25T13:30:14+09:00", "utc": "1988-08-25T04:30:14Z", "ms": 588486614335.1243 }, "end": { "local": "1988-08-25T14:18:14+09:00", "utc": "1988-08-25T05:18:14Z", "ms": 588489494335.1243 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:04 on Wed 24 Aug to 06:24 on Thu 25 Aug.", "fact": "1988-08-24T00:04:18Z → 1988-08-24T21:23:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 24th, 13:30–14:18 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15973 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Zunyi, 1988: Wednesday 24 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": "1988-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-24", "confidence": "determinate" } ], "quote": "In Zunyi, Dāmodara Dvādaśī 1988 falls on Wednesday 24 August. Dvādaśī runs from 09:04 on Wed 24 Aug to 06:24 on Thu 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-08-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19395, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-08-25T06:23:49+09:00", "utc": "1988-08-24T21:23:49Z", "ms": 588461028569.956 }, "end": { "local": "1988-08-26T03:12:49+09:00", "utc": "1988-08-25T18:12:49Z", "ms": 588535969252.0763 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-25T06:23:49+09:00", "utc": "1988-08-24T21:23:49Z", "ms": 588461028569.956 }, "end": { "local": "1988-08-26T03:12:49+09:00", "utc": "1988-08-25T18:12:49Z", "ms": 588535969252.0763 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-08-24", "window": { "start": { "local": "1988-08-24T20:21:33+09:00", "utc": "1988-08-24T11:21:33Z", "ms": 588424892754.0702 }, "end": { "local": "1988-08-24T21:50:24+09:00", "utc": "1988-08-24T12:50:24Z", "ms": 588430224113.196 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1988-08-25", "window": { "start": { "local": "1988-08-25T20:20:31+09:00", "utc": "1988-08-25T11:20:31Z", "ms": 588511230722.7341 }, "end": { "local": "1988-08-25T21:49:34+09:00", "utc": "1988-08-25T12:49:34Z", "ms": 588516574208.7642 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:24 on Thu 25 Aug to 03:13 on Fri 26 Aug.", "fact": "1988-08-24T21:23:49Z → 1988-08-25T18:12:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:22–21:50 on the 24th, 20:21–21:50 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 89 minutes on the 24th and 89 of 89 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19395 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Thursday 25 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": "1988-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-25", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Thursday 25 August. Trayodaśī runs from 06:24 on Thu 25 Aug to 03:13 on Fri 26 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-08-25", "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/1988/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8402, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-08-26T23:40:18+09:00", "utc": "1988-08-26T14:40:18Z", "ms": 588609618120.2136 }, "end": { "local": "1988-08-27T19:55:51+09:00", "utc": "1988-08-27T10:55:51Z", "ms": 588682550925.6097 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1988-08-27T09:48:57+09:00", "utc": "1988-08-27T00:48:57Z", "ms": 588646137272.6046 }, "end": { "local": "1988-08-27T19:55:51+09:00", "utc": "1988-08-27T10:55:51Z", "ms": 588682550925.6097 } }, "kaala": "day", "days": [ { "local_date": "1988-08-26", "window": { "start": { "local": "1988-08-26T07:28:27+09:00", "utc": "1988-08-25T22:28:27Z", "ms": 588551306867.9592 }, "end": { "local": "1988-08-27T07:28:56+09:00", "utc": "1988-08-26T22:28:56Z", "ms": 588637735618.6571 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1988-08-27", "window": { "start": { "local": "1988-08-27T07:28:56+09:00", "utc": "1988-08-26T22:28:56Z", "ms": 588637735618.6571 }, "end": { "local": "1988-08-28T07:29:24+09:00", "utc": "1988-08-27T22:29:24Z", "ms": 588724164210.7634 } }, "covered_min": 607, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:40 on Fri 26 Aug to 19:56 on Sat 27 Aug. Its second half begins at 09:49 on Sat 27 Aug.", "fact": "1988-08-26T14:40:18Z → 1988-08-27T10:55:51Z · second half from 1988-08-27T00:48:57Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:28 on the 26th, and from 07:29 on the 27th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 26th and 607 of 1440 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8402 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Zunyi, 1988: Saturday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-27", "confidence": "determinate" } ], "quote": "In Zunyi, Rakṣā Bandhana (Rakhi) 1988 falls on Saturday 27 August. The second half of Pūrṇimā runs from 09:49 on Sat 27 Aug to 19:56 on Sat 27 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20291, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-08-26T23:40:18+09:00", "utc": "1988-08-26T14:40:18Z", "ms": 588609618120.2136 }, "end": { "local": "1988-08-27T19:55:51+09:00", "utc": "1988-08-27T10:55:51Z", "ms": 588682550925.6097 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1988-08-26T23:40:18+09:00", "utc": "1988-08-26T14:40:18Z", "ms": 588609618120.2136 }, "end": { "local": "1988-08-27T19:55:51+09:00", "utc": "1988-08-27T10:55:51Z", "ms": 588682550925.6097 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-26", "window": { "start": { "local": "1988-08-26T13:29:57+09:00", "utc": "1988-08-26T04:29:57Z", "ms": 588572997456.6943 }, "end": { "local": "1988-08-26T14:17:57+09:00", "utc": "1988-08-26T05:17:57Z", "ms": 588575877456.6943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-08-27", "window": { "start": { "local": "1988-08-27T13:29:40+09:00", "utc": "1988-08-27T04:29:40Z", "ms": 588659380184.4916 }, "end": { "local": "1988-08-27T14:17:40+09:00", "utc": "1988-08-27T05:17:40Z", "ms": 588662260184.4916 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:40 on Fri 26 Aug to 19:56 on Sat 27 Aug.", "fact": "1988-08-26T14:40:18Z → 1988-08-27T10:55:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 26th, 13:30–14:18 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20291 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Zunyi, 1988: Saturday 27 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": "1988-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-27", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Tarpaṇa 1988 falls on Saturday 27 August. Pūrṇimā runs from 23:40 on Fri 26 Aug to 19:56 on Sat 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17274, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1988-08-28T16:09:17+09:00", "utc": "1988-08-28T07:09:17Z", "ms": 588755357063.8202 }, "end": { "local": "1988-08-29T12:30:20+09:00", "utc": "1988-08-29T03:30:20Z", "ms": 588828620451.1627 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-08-28T16:09:17+09:00", "utc": "1988-08-28T07:09:17Z", "ms": 588755357063.8202 }, "end": { "local": "1988-08-29T12:30:20+09:00", "utc": "1988-08-29T03:30:20Z", "ms": 588828620451.1627 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-08-28", "window": { "start": { "local": "1988-08-28T20:57:11+09:00", "utc": "1988-08-28T11:57:11Z", "ms": 588772631064.9797 }, "end": { "local": "1988-08-28T20:57:11+09:00", "utc": "1988-08-28T11:57:11Z", "ms": 588772631064.9797 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-08-29", "window": { "start": { "local": "1988-08-29T21:32:04+09:00", "utc": "1988-08-29T12:32:04Z", "ms": 588861123608.3599 }, "end": { "local": "1988-08-29T21:32:04+09:00", "utc": "1988-08-29T12:32:04Z", "ms": 588861123608.3599 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:09 on Sun 28 Aug to 12:30 on Mon 29 Aug.", "fact": "1988-08-28T07:09:17Z → 1988-08-29T03:30:20Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 28th and 21:32 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17274 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Zunyi, 1988: Sunday 28 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": "1988-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-28", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata 1988 falls on Sunday 28 August. Dvitīyā runs from 16:09 on Sun 28 Aug to 12:30 on Mon 29 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3524, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-08-29T12:30:20+09:00", "utc": "1988-08-29T03:30:20Z", "ms": 588828620451.1627 }, "end": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-08-29T12:30:20+09:00", "utc": "1988-08-29T03:30:20Z", "ms": 588828620451.1627 }, "end": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-08-29", "window": { "start": { "local": "1988-08-29T13:29:05+09:00", "utc": "1988-08-29T04:29:05Z", "ms": 588832144538.5529 }, "end": { "local": "1988-08-29T14:17:05+09:00", "utc": "1988-08-29T05:17:05Z", "ms": 588835024538.5529 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-08-30", "window": { "start": { "local": "1988-08-30T13:28:46+09:00", "utc": "1988-08-30T04:28:46Z", "ms": 588918526205.8894 }, "end": { "local": "1988-08-30T14:16:46+09:00", "utc": "1988-08-30T05:16:46Z", "ms": 588921406205.8894 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:30 on Mon 29 Aug to 09:08 on Tue 30 Aug.", "fact": "1988-08-29T03:30:20Z → 1988-08-30T00:08:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:29–14:17 on the 29th, 13:29–14:17 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3524 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Zunyi, 1988: Monday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-29", "confidence": "determinate" } ], "quote": "In Zunyi, Kajjalī Tṛtīyā (Kajari Teej) 1988 falls on Monday 29 August. Tṛtīyā runs from 12:30 on Mon 29 Aug to 09:08 on Tue 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30831, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 }, "end": { "local": "1988-08-31T06:12:01+09:00", "utc": "1988-08-30T21:12:01Z", "ms": 588978720601.7935 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 }, "end": { "local": "1988-08-31T06:12:01+09:00", "utc": "1988-08-30T21:12:01Z", "ms": 588978720601.7935 } }, "kaala": "sayahna", "days": [ { "local_date": "1988-08-30", "window": { "start": { "local": "1988-08-30T17:42:13+09:00", "utc": "1988-08-30T08:42:13Z", "ms": 588933733347.6627 }, "end": { "local": "1988-08-30T20:15:11+09:00", "utc": "1988-08-30T11:15:11Z", "ms": 588942911442.1783 } }, "covered_min": 153, "window_min": 153, "qualifies": true }, { "local_date": "1988-08-31", "window": { "start": { "local": "1988-08-31T17:41:27+09:00", "utc": "1988-08-31T08:41:27Z", "ms": 589020086599.8115 }, "end": { "local": "1988-08-31T20:14:06+09:00", "utc": "1988-08-31T11:14:06Z", "ms": 589029245959.3245 } }, "covered_min": 0, "window_min": 153, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:08 on Tue 30 Aug to 06:12 on Wed 31 Aug.", "fact": "1988-08-30T00:08:22Z → 1988-08-30T21:12:01Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:42–20:15 on the 30th, 17:41–20:14 on the 31st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 153 of 153 minutes on the 30th and 0 of 153 on the 31st.", "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 30831 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Zunyi, 1988: Tuesday 30 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": "1988-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-30", "confidence": "determinate" } ], "quote": "In Zunyi, Bahulā Caturthī 1988 falls on Tuesday 30 August. Caturthī runs from 09:08 on Tue 30 Aug to 06:12 on Wed 31 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-08-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29083, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 }, "end": { "local": "1988-08-31T06:12:01+09:00", "utc": "1988-08-30T21:12:01Z", "ms": 588978720601.7935 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-08-30T09:08:22+09:00", "utc": "1988-08-30T00:08:22Z", "ms": 588902902028.6381 }, "end": { "local": "1988-08-31T06:12:01+09:00", "utc": "1988-08-30T21:12:01Z", "ms": 588978720601.7935 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-08-29", "window": { "start": { "local": "1988-08-29T21:32:04+09:00", "utc": "1988-08-29T12:32:04Z", "ms": 588861123608.3599 }, "end": { "local": "1988-08-29T21:32:04+09:00", "utc": "1988-08-29T12:32:04Z", "ms": 588861123608.3599 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-08-30", "window": { "start": { "local": "1988-08-30T22:07:18+09:00", "utc": "1988-08-30T13:07:18Z", "ms": 588949637931.5613 }, "end": { "local": "1988-08-30T22:07:18+09:00", "utc": "1988-08-30T13:07:18Z", "ms": 588949637931.5613 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:08 on Tue 30 Aug to 06:12 on Wed 31 Aug.", "fact": "1988-08-30T00:08:22Z → 1988-08-30T21:12:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 29th and 22:07 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29083 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Tuesday 30 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": "1988-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-08-30", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Tuesday 30 August. Caturthī runs from 09:08 on Tue 30 Aug to 06:12 on Wed 31 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-08-30", "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/1988/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34759, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-09-01T03:48:50+09:00", "utc": "1988-08-31T18:48:50Z", "ms": 589056529698.0021 }, "end": { "local": "1988-09-02T02:04:50+09:00", "utc": "1988-09-01T17:04:50Z", "ms": 589136690020.2915 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-01T03:48:50+09:00", "utc": "1988-08-31T18:48:50Z", "ms": 589056529698.0021 }, "end": { "local": "1988-09-02T02:04:50+09:00", "utc": "1988-09-01T17:04:50Z", "ms": 589136690020.2915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-01", "window": { "start": { "local": "1988-09-01T13:28:09+09:00", "utc": "1988-09-01T04:28:09Z", "ms": 589091288622.0798 }, "end": { "local": "1988-09-01T14:16:09+09:00", "utc": "1988-09-01T05:16:09Z", "ms": 589094168622.0798 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-09-02", "window": { "start": { "local": "1988-09-02T13:27:49+09:00", "utc": "1988-09-02T04:27:49Z", "ms": 589177669409.2596 }, "end": { "local": "1988-09-02T14:15:49+09:00", "utc": "1988-09-02T05:15:49Z", "ms": 589180549409.2596 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:49 on Thu 1 Sep to 02:05 on Fri 2 Sep.", "fact": "1988-08-31T18:48:50Z → 1988-09-01T17:04:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 1st, 13:28–14:16 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34759 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Zunyi, 1988: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-01", "confidence": "determinate" } ], "quote": "In Zunyi, Hala Ṣaṣṭhī 1988 falls on Thursday 1 September. Ṣaṣṭhī runs from 03:49 on Thu 1 Sep to 02:05 on Fri 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1443, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-09-03T01:04:00+09:00", "utc": "1988-09-02T16:04:00Z", "ms": 589219439920.2189 }, "end": { "local": "1988-09-04T00:47:50+09:00", "utc": "1988-09-03T15:47:50Z", "ms": 589304869611.0215 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-03T01:04:00+09:00", "utc": "1988-09-02T16:04:00Z", "ms": 589219439920.2189 }, "end": { "local": "1988-09-04T00:47:50+09:00", "utc": "1988-09-03T15:47:50Z", "ms": 589304869611.0215 } }, "kaala": "nishita", "days": [ { "local_date": "1988-09-02", "window": { "start": { "local": "1988-09-03T01:28:03+09:00", "utc": "1988-09-02T16:28:03Z", "ms": 589220883356.4421 }, "end": { "local": "1988-09-03T02:16:03+09:00", "utc": "1988-09-02T17:16:03Z", "ms": 589223763356.4421 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-09-03", "window": { "start": { "local": "1988-09-04T01:27:44+09:00", "utc": "1988-09-03T16:27:44Z", "ms": 589307263846.01 }, "end": { "local": "1988-09-04T02:15:44+09:00", "utc": "1988-09-03T17:15:44Z", "ms": 589310143846.01 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:04 on Sat 3 Sep to 00:48 on Sun 4 Sep.", "fact": "1988-09-02T16:04:00Z → 1988-09-03T15:47:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:28–02:16 on the 2nd, 01:28–02:16 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1443 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Zunyi, 1988: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-02", "confidence": "determinate" } ], "quote": "In Zunyi, Janmāṣṭamī 1988 falls on Friday 2 September. Aṣṭamī runs from 01:04 on Sat 3 Sep to 00:48 on Sun 4 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38891, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-09-02T02:04:50+09:00", "utc": "1988-09-01T17:04:50Z", "ms": 589136690020.2915 }, "end": { "local": "1988-09-03T01:04:00+09:00", "utc": "1988-09-02T16:04:00Z", "ms": 589219439920.2189 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-02T02:04:50+09:00", "utc": "1988-09-01T17:04:50Z", "ms": 589136690020.2915 }, "end": { "local": "1988-09-03T01:04:00+09:00", "utc": "1988-09-02T16:04:00Z", "ms": 589219439920.2189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-01", "window": { "start": { "local": "1988-09-01T13:28:09+09:00", "utc": "1988-09-01T04:28:09Z", "ms": 589091288622.0798 }, "end": { "local": "1988-09-01T14:16:09+09:00", "utc": "1988-09-01T05:16:09Z", "ms": 589094168622.0798 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-02", "window": { "start": { "local": "1988-09-02T13:27:49+09:00", "utc": "1988-09-02T04:27:49Z", "ms": 589177669409.2596 }, "end": { "local": "1988-09-02T14:15:49+09:00", "utc": "1988-09-02T05:15:49Z", "ms": 589180549409.2596 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:05 on Fri 2 Sep to 01:04 on Sat 3 Sep.", "fact": "1988-09-01T17:04:50Z → 1988-09-02T16:04:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 1st, 13:28–14:16 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38891 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Zunyi, 1988: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-02", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalā Saptamī 1988 falls on Friday 2 September. Saptamī runs from 02:05 on Fri 2 Sep to 01:04 on Sat 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-09-06", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12682, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-09-06T02:22:04+09:00", "utc": "1988-09-05T17:22:04Z", "ms": 589483324089.1453 }, "end": { "local": "1988-09-07T04:02:42+09:00", "utc": "1988-09-06T19:02:42Z", "ms": 589575762259.4692 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-06T02:22:04+09:00", "utc": "1988-09-05T17:22:04Z", "ms": 589483324089.1453 }, "end": { "local": "1988-09-07T04:02:42+09:00", "utc": "1988-09-06T19:02:42Z", "ms": 589575762259.4692 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-09-06", "window": { "start": { "local": "1988-09-06T07:33:36+09:00", "utc": "1988-09-05T22:33:36Z", "ms": 589502016348.0944 }, "end": { "local": "1988-09-06T07:33:36+09:00", "utc": "1988-09-05T22:33:36Z", "ms": 589502016348.0944 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-09-07", "window": { "start": { "local": "1988-09-07T07:34:04+09:00", "utc": "1988-09-06T22:34:04Z", "ms": 589588443962.4191 }, "end": { "local": "1988-09-07T07:34:04+09:00", "utc": "1988-09-06T22:34:04Z", "ms": 589588443962.4191 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:22 on Tue 6 Sep to 04:03 on Wed 7 Sep.", "fact": "1988-09-05T17:22:04Z → 1988-09-06T19:02:42Z" }, { "step": "kaala", "text": "Sunrise is at 07:34 on the 6th and 07:34 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12682 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Zunyi, 1988: Tuesday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-06", "confidence": "determinate" } ], "quote": "In Zunyi, Ajā Ekādaśī 1988 falls on Tuesday 6 September. Ekādaśī runs from 02:22 on Tue 6 Sep to 04:03 on Wed 7 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-09-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30697, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-09-08T06:09:39+09:00", "utc": "1988-09-07T21:09:39Z", "ms": 589669778555.4867 }, "end": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-08T06:09:39+09:00", "utc": "1988-09-07T21:09:39Z", "ms": 589669778555.4867 }, "end": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-09-07", "window": { "start": { "local": "1988-09-07T20:06:16+09:00", "utc": "1988-09-07T11:06:16Z", "ms": 589633575694.2502 }, "end": { "local": "1988-09-07T21:38:02+09:00", "utc": "1988-09-07T12:38:02Z", "ms": 589639081805.1165 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1988-09-08", "window": { "start": { "local": "1988-09-08T20:05:07+09:00", "utc": "1988-09-08T11:05:07Z", "ms": 589719907121.9225 }, "end": { "local": "1988-09-08T21:37:06+09:00", "utc": "1988-09-08T12:37:06Z", "ms": 589725426045.0951 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:10 on Thu 8 Sep to 08:35 on Fri 9 Sep.", "fact": "1988-09-07T21:09:39Z → 1988-09-08T23:34:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:38 on the 7th, 20:05–21:37 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 92 minutes on the 7th and 92 of 92 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 30697 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Thursday 8 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": "1988-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-08", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Thursday 8 September. Trayodaśī runs from 06:10 on Thu 8 Sep to 08:35 on Fri 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31936, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 }, "end": { "local": "1988-09-10T11:10:33+09:00", "utc": "1988-09-10T02:10:33Z", "ms": 589860632960.0632 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 }, "end": { "local": "1988-09-10T11:10:33+09:00", "utc": "1988-09-10T02:10:33Z", "ms": 589860632960.0632 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-09-09", "window": { "start": { "local": "1988-09-09T20:03:58+09:00", "utc": "1988-09-09T11:03:58Z", "ms": 589806238276.0681 }, "end": { "local": "1988-09-09T21:36:10+09:00", "utc": "1988-09-09T12:36:10Z", "ms": 589811770043.287 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1988-09-10", "window": { "start": { "local": "1988-09-10T20:02:49+09:00", "utc": "1988-09-10T11:02:49Z", "ms": 589892569181.0906 }, "end": { "local": "1988-09-10T21:35:14+09:00", "utc": "1988-09-10T12:35:14Z", "ms": 589898113821.9218 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep.", "fact": "1988-09-08T23:34:54Z → 1988-09-10T02:10:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:04–21:36 on the 9th, 20:03–21:35 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 9th and 0 of 92 on the 10th.", "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 31936 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Zunyi, 1988: Friday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-09", "confidence": "determinate" } ], "quote": "In Zunyi, Aghora Caturdaśī 1988 falls on Friday 9 September. Caturdaśī runs from 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/shivaratri?on=1988-09-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22851, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 }, "end": { "local": "1988-09-10T11:10:33+09:00", "utc": "1988-09-10T02:10:33Z", "ms": 589860632960.0632 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-09T08:34:54+09:00", "utc": "1988-09-08T23:34:54Z", "ms": 589764893753.0718 }, "end": { "local": "1988-09-10T11:10:33+09:00", "utc": "1988-09-10T02:10:33Z", "ms": 589860632960.0632 } }, "kaala": "nishita", "days": [ { "local_date": "1988-09-08", "window": { "start": { "local": "1988-09-09T01:26:03+09:00", "utc": "1988-09-08T16:26:03Z", "ms": 589739163083.8197 }, "end": { "local": "1988-09-09T02:14:03+09:00", "utc": "1988-09-08T17:14:03Z", "ms": 589742043083.8197 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-09", "window": { "start": { "local": "1988-09-10T01:25:42+09:00", "utc": "1988-09-09T16:25:42Z", "ms": 589825542403.1389 }, "end": { "local": "1988-09-10T02:13:42+09:00", "utc": "1988-09-09T17:13:42Z", "ms": 589828422403.1389 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep.", "fact": "1988-09-08T23:34:54Z → 1988-09-10T02:10:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:26–02:14 on the 8th, 01:26–02:14 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22851 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Friday 9 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": "1988-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-09", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Friday 9 September. Caturdaśī runs from 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-09-09", "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/1988/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1419, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-09-11T12:49:08+08:00", "utc": "1988-09-11T04:49:08Z", "ms": 589956548234.25 }, "end": { "local": "1988-09-12T15:23:42+08:00", "utc": "1988-09-12T07:23:42Z", "ms": 590052222335.7601 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-11T12:49:08+08:00", "utc": "1988-09-11T04:49:08Z", "ms": 589956548234.25 }, "end": { "local": "1988-09-12T15:23:42+08:00", "utc": "1988-09-12T07:23:42Z", "ms": 590052222335.7601 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-11", "window": { "start": { "local": "1988-09-11T12:24:47+08:00", "utc": "1988-09-11T04:24:47Z", "ms": 589955086924.5925 }, "end": { "local": "1988-09-11T13:12:47+08:00", "utc": "1988-09-11T05:12:47Z", "ms": 589957966924.5925 } }, "covered_min": 24, "window_min": 48, "qualifies": true }, { "local_date": "1988-09-12", "window": { "start": { "local": "1988-09-12T12:24:26+08:00", "utc": "1988-09-12T04:24:26Z", "ms": 590041465883.3381 }, "end": { "local": "1988-09-12T13:12:26+08:00", "utc": "1988-09-12T05:12:26Z", "ms": 590044345883.3381 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:49 on Sun 11 Sep to 15:24 on Mon 12 Sep.", "fact": "1988-09-11T04:49:08Z → 1988-09-12T07:23:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 11th, 12:24–13:12 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 24 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1419 s" }, { "step": "ruling", "text": "Rudra Vrata, Zunyi, 1988: Sunday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-11", "confidence": "determinate" } ], "quote": "In Zunyi, Rudra Vrata 1988 falls on Sunday 11 September. Pratipadā runs from 12:49 on Sun 11 Sep to 15:24 on Mon 12 Sep and covers 24 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/1988/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/1988/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16535, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1988-09-13T17:47:40+08:00", "utc": "1988-09-13T09:47:40Z", "ms": 590147259853.6952 }, "end": { "local": "1988-09-14T19:54:36+08:00", "utc": "1988-09-14T11:54:36Z", "ms": 590241275916.0131 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-13T17:47:40+08:00", "utc": "1988-09-13T09:47:40Z", "ms": 590147259853.6952 }, "end": { "local": "1988-09-14T19:54:36+08:00", "utc": "1988-09-14T11:54:36Z", "ms": 590241275916.0131 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-13", "window": { "start": { "local": "1988-09-13T12:24:05+08:00", "utc": "1988-09-13T04:24:05Z", "ms": 590127844749.1804 }, "end": { "local": "1988-09-13T13:12:05+08:00", "utc": "1988-09-13T05:12:05Z", "ms": 590130724749.1804 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-14", "window": { "start": { "local": "1988-09-14T12:23:44+08:00", "utc": "1988-09-14T04:23:44Z", "ms": 590214223538.6309 }, "end": { "local": "1988-09-14T13:11:44+08:00", "utc": "1988-09-14T05:11:44Z", "ms": 590217103538.6309 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:48 on Tue 13 Sep to 19:55 on Wed 14 Sep.", "fact": "1988-09-13T09:47:40Z → 1988-09-14T11:54:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 13th, 12:24–13:12 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16535 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Zunyi, 1988: Wednesday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-14", "confidence": "determinate" } ], "quote": "In Zunyi, Haritālikā Vrata (Hartalika Teej) 1988 falls on Wednesday 14 September. Tṛtīyā runs from 17:48 on Tue 13 Sep to 19:55 on Wed 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24172, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-09-14T19:54:36+08:00", "utc": "1988-09-14T11:54:36Z", "ms": 590241275916.0131 }, "end": { "local": "1988-09-15T21:38:13+08:00", "utc": "1988-09-15T13:38:13Z", "ms": 590333892564.1705 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-14T19:54:36+08:00", "utc": "1988-09-14T11:54:36Z", "ms": 590241275916.0131 }, "end": { "local": "1988-09-15T21:38:13+08:00", "utc": "1988-09-15T13:38:13Z", "ms": 590333892564.1705 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-14", "window": { "start": { "local": "1988-09-14T12:23:44+08:00", "utc": "1988-09-14T04:23:44Z", "ms": 590214223538.6309 }, "end": { "local": "1988-09-14T13:11:44+08:00", "utc": "1988-09-14T05:11:44Z", "ms": 590217103538.6309 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-15", "window": { "start": { "local": "1988-09-15T12:23:22+08:00", "utc": "1988-09-15T04:23:22Z", "ms": 590300602268.7144 }, "end": { "local": "1988-09-15T13:11:22+08:00", "utc": "1988-09-15T05:11:22Z", "ms": 590303482268.7144 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:55 on Wed 14 Sep to 21:38 on Thu 15 Sep.", "fact": "1988-09-14T11:54:36Z → 1988-09-15T13:38:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 14th, 12:23–13:11 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24172 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Zunyi, 1988: Thursday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-15", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Caturthī 1988 falls on Thursday 15 September. Caturthī runs from 19:55 on Wed 14 Sep to 21:38 on Thu 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30410, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-09-15T21:38:13+08:00", "utc": "1988-09-15T13:38:13Z", "ms": 590333892564.1705 }, "end": { "local": "1988-09-16T22:52:29+08:00", "utc": "1988-09-16T14:52:29Z", "ms": 590424749144.2767 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-15T21:38:13+08:00", "utc": "1988-09-15T13:38:13Z", "ms": 590333892564.1705 }, "end": { "local": "1988-09-16T22:52:29+08:00", "utc": "1988-09-16T14:52:29Z", "ms": 590424749144.2767 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-15", "window": { "start": { "local": "1988-09-15T12:23:22+08:00", "utc": "1988-09-15T04:23:22Z", "ms": 590300602268.7144 }, "end": { "local": "1988-09-15T13:11:22+08:00", "utc": "1988-09-15T05:11:22Z", "ms": 590303482268.7144 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-16", "window": { "start": { "local": "1988-09-16T12:23:01+08:00", "utc": "1988-09-16T04:23:01Z", "ms": 590386980956.7649 }, "end": { "local": "1988-09-16T13:11:01+08:00", "utc": "1988-09-16T05:11:01Z", "ms": 590389860956.7649 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:38 on Thu 15 Sep to 22:52 on Fri 16 Sep.", "fact": "1988-09-15T13:38:13Z → 1988-09-16T14:52:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 15th, 12:23–13:11 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 30410 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Zunyi, 1988: Friday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-16", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Pañcamī 1988 falls on Friday 16 September. Pañcamī runs from 21:38 on Thu 15 Sep to 22:52 on Fri 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34888, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-09-16T22:52:29+08:00", "utc": "1988-09-16T14:52:29Z", "ms": 590424749144.2767 }, "end": { "local": "1988-09-17T23:32:07+08:00", "utc": "1988-09-17T15:32:07Z", "ms": 590513526997.0101 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-16T22:52:29+08:00", "utc": "1988-09-16T14:52:29Z", "ms": 590424749144.2767 }, "end": { "local": "1988-09-17T23:32:07+08:00", "utc": "1988-09-17T15:32:07Z", "ms": 590513526997.0101 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-16", "window": { "start": { "local": "1988-09-16T12:23:01+08:00", "utc": "1988-09-16T04:23:01Z", "ms": 590386980956.7649 }, "end": { "local": "1988-09-16T13:11:01+08:00", "utc": "1988-09-16T05:11:01Z", "ms": 590389860956.7649 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-17", "window": { "start": { "local": "1988-09-17T12:22:40+08:00", "utc": "1988-09-17T04:22:40Z", "ms": 590473359620.4724 }, "end": { "local": "1988-09-17T13:10:40+08:00", "utc": "1988-09-17T05:10:40Z", "ms": 590476239620.4724 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:52 on Fri 16 Sep to 23:32 on Sat 17 Sep.", "fact": "1988-09-16T14:52:29Z → 1988-09-17T15:32:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 16th, 12:23–13:11 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34888 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Zunyi, 1988: Saturday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-17", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Bhādrapada) 1988 falls on Saturday 17 September. Ṣaṣṭhī runs from 22:52 on Fri 16 Sep to 23:32 on Sat 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37287, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-09-17T23:32:07+08:00", "utc": "1988-09-17T15:32:07Z", "ms": 590513526997.0101 }, "end": { "local": "1988-09-18T23:33:02+08:00", "utc": "1988-09-18T15:33:02Z", "ms": 590599982482.1912 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-17T23:32:07+08:00", "utc": "1988-09-17T15:32:07Z", "ms": 590513526997.0101 }, "end": { "local": "1988-09-18T23:33:02+08:00", "utc": "1988-09-18T15:33:02Z", "ms": 590599982482.1912 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-17", "window": { "start": { "local": "1988-09-17T12:22:40+08:00", "utc": "1988-09-17T04:22:40Z", "ms": 590473359620.4724 }, "end": { "local": "1988-09-17T13:10:40+08:00", "utc": "1988-09-17T05:10:40Z", "ms": 590476239620.4724 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-18", "window": { "start": { "local": "1988-09-18T12:22:18+08:00", "utc": "1988-09-18T04:22:18Z", "ms": 590559738277.9467 }, "end": { "local": "1988-09-18T13:10:18+08:00", "utc": "1988-09-18T05:10:18Z", "ms": 590562618277.9467 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:32 on Sat 17 Sep to 23:33 on Sun 18 Sep.", "fact": "1988-09-17T15:32:07Z → 1988-09-18T15:33:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 17th, 12:22–13:10 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37287 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Zunyi, 1988: Sunday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-18", "confidence": "determinate" } ], "quote": "In Zunyi, Muktābharaṇa Vrata 1988 falls on Sunday 18 September. Saptamī runs from 23:32 on Sat 17 Sep to 23:33 on Sun 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34982, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-09-18T23:33:02+08:00", "utc": "1988-09-18T15:33:02Z", "ms": 590599982482.1912 }, "end": { "local": "1988-09-19T22:52:59+08:00", "utc": "1988-09-19T14:52:59Z", "ms": 590683978663.3113 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-18T23:33:02+08:00", "utc": "1988-09-18T15:33:02Z", "ms": 590599982482.1912 }, "end": { "local": "1988-09-19T22:52:59+08:00", "utc": "1988-09-19T14:52:59Z", "ms": 590683978663.3113 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-18", "window": { "start": { "local": "1988-09-18T12:22:18+08:00", "utc": "1988-09-18T04:22:18Z", "ms": 590559738277.9467 }, "end": { "local": "1988-09-18T13:10:18+08:00", "utc": "1988-09-18T05:10:18Z", "ms": 590562618277.9467 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-19", "window": { "start": { "local": "1988-09-19T12:21:57+08:00", "utc": "1988-09-19T04:21:57Z", "ms": 590646116947.8059 }, "end": { "local": "1988-09-19T13:09:57+08:00", "utc": "1988-09-19T05:09:57Z", "ms": 590648996947.8059 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:33 on Sun 18 Sep to 22:53 on Mon 19 Sep.", "fact": "1988-09-18T15:33:02Z → 1988-09-19T14:52:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 18th, 12:22–13:10 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34982 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Zunyi, 1988: Monday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-19", "confidence": "determinate" } ], "quote": "In Zunyi, Rādhāṣṭamī 1988 falls on Monday 19 September. Aṣṭamī runs from 23:33 on Sun 18 Sep to 22:53 on Mon 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-09-22", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36928, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-09-21T19:31:32+08:00", "utc": "1988-09-21T11:31:32Z", "ms": 590844691577.3284 }, "end": { "local": "1988-09-22T16:56:25+08:00", "utc": "1988-09-22T08:56:25Z", "ms": 590921785107.5071 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-21T19:31:32+08:00", "utc": "1988-09-21T11:31:32Z", "ms": 590844691577.3284 }, "end": { "local": "1988-09-22T16:56:25+08:00", "utc": "1988-09-22T08:56:25Z", "ms": 590921785107.5071 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-09-21", "window": { "start": { "local": "1988-09-21T06:40:29+08:00", "utc": "1988-09-20T22:40:29Z", "ms": 590798429056.6868 }, "end": { "local": "1988-09-21T06:40:29+08:00", "utc": "1988-09-20T22:40:29Z", "ms": 590798429056.6868 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-09-22", "window": { "start": { "local": "1988-09-22T06:40:57+08:00", "utc": "1988-09-21T22:40:57Z", "ms": 590884856846.1017 }, "end": { "local": "1988-09-22T06:40:57+08:00", "utc": "1988-09-21T22:40:57Z", "ms": 590884856846.1017 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:32 on Wed 21 Sep to 16:56 on Thu 22 Sep.", "fact": "1988-09-21T11:31:32Z → 1988-09-22T08:56:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 21st and 06:41 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 36928 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Zunyi, 1988: Thursday 22 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": "1988-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-22", "confidence": "determinate" } ], "quote": "In Zunyi, Parivartanī Ekādaśī 1988 falls on Thursday 22 September. Ekādaśī runs from 19:32 on Wed 21 Sep to 16:56 on Thu 22 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2635, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-09-22T16:56:25+08:00", "utc": "1988-09-22T08:56:25Z", "ms": 590921785107.5071 }, "end": { "local": "1988-09-23T13:52:27+08:00", "utc": "1988-09-23T05:52:27Z", "ms": 590997147316.63 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-22T16:56:25+08:00", "utc": "1988-09-22T08:56:25Z", "ms": 590921785107.5071 }, "end": { "local": "1988-09-23T13:52:27+08:00", "utc": "1988-09-23T05:52:27Z", "ms": 590997147316.63 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-09-22", "window": { "start": { "local": "1988-09-22T12:20:53+08:00", "utc": "1988-09-22T04:20:53Z", "ms": 590905253228.2126 }, "end": { "local": "1988-09-22T13:08:53+08:00", "utc": "1988-09-22T05:08:53Z", "ms": 590908133228.2126 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-09-23", "window": { "start": { "local": "1988-09-23T12:20:32+08:00", "utc": "1988-09-23T04:20:32Z", "ms": 590991632148.6573 }, "end": { "local": "1988-09-23T13:08:32+08:00", "utc": "1988-09-23T05:08:32Z", "ms": 590994512148.6573 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:56 on Thu 22 Sep to 13:52 on Fri 23 Sep.", "fact": "1988-09-22T08:56:25Z → 1988-09-23T05:52:27Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2635 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Zunyi, 1988: Friday 23 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": "1988-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-23", "confidence": "boundary" } ], "quote": "In Zunyi, Vāmana Jayantī 1988 falls on Friday 23 September. Dvādaśī runs from 16:56 on Thu 22 Sep to 13:52 on Fri 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-09-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17712, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-09-23T13:52:27+08:00", "utc": "1988-09-23T05:52:27Z", "ms": 590997147316.63 }, "end": { "local": "1988-09-24T10:27:05+08:00", "utc": "1988-09-24T02:27:05Z", "ms": 591071225311.3204 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-23T13:52:27+08:00", "utc": "1988-09-23T05:52:27Z", "ms": 590997147316.63 }, "end": { "local": "1988-09-24T10:27:05+08:00", "utc": "1988-09-24T02:27:05Z", "ms": 591071225311.3204 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-09-23", "window": { "start": { "local": "1988-09-23T18:47:40+08:00", "utc": "1988-09-23T10:47:40Z", "ms": 591014859558.5643 }, "end": { "local": "1988-09-23T20:22:53+08:00", "utc": "1988-09-23T12:22:53Z", "ms": 591020573317.6548 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1988-09-24", "window": { "start": { "local": "1988-09-24T18:46:30+08:00", "utc": "1988-09-24T10:46:30Z", "ms": 591101189622.2565 }, "end": { "local": "1988-09-24T20:21:56+08:00", "utc": "1988-09-24T12:21:56Z", "ms": 591106916459.8054 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:52 on Fri 23 Sep to 10:27 on Sat 24 Sep.", "fact": "1988-09-23T05:52:27Z → 1988-09-24T02:27:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:23 on the 23rd, 18:46–20:22 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 23rd and 0 of 95 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17712 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Friday 23 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": "1988-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Friday 23 September. Trayodaśī runs from 13:52 on Fri 23 Sep to 10:27 on Sat 24 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-09-23", "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/1988/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 391, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-09-24T10:27:05+08:00", "utc": "1988-09-24T02:27:05Z", "ms": 591071225311.3204 }, "end": { "local": "1988-09-25T06:48:52+08:00", "utc": "1988-09-24T22:48:52Z", "ms": 591144531731.7853 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1988-09-24T10:27:05+08:00", "utc": "1988-09-24T02:27:05Z", "ms": 591071225311.3204 }, "end": { "local": "1988-09-25T06:48:52+08:00", "utc": "1988-09-24T22:48:52Z", "ms": 591144531731.7853 } }, "kaala": "udaya-3", "days": [ { "local_date": "1988-09-24", "window": { "start": { "local": "1988-09-24T06:41:53+08:00", "utc": "1988-09-23T22:41:53Z", "ms": 591057712751.7428 }, "end": { "local": "1988-09-24T09:06:48+08:00", "utc": "1988-09-24T01:06:48Z", "ms": 591066408125.8456 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1988-09-25", "window": { "start": { "local": "1988-09-25T06:42:21+08:00", "utc": "1988-09-24T22:42:21Z", "ms": 591144140903.8737 }, "end": { "local": "1988-09-25T09:06:57+08:00", "utc": "1988-09-25T01:06:57Z", "ms": 591152816689.3441 } }, "covered_min": 7, "window_min": 145, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:27 on Sat 24 Sep to 06:49 on Sun 25 Sep.", "fact": "1988-09-24T02:27:05Z → 1988-09-24T22:48:52Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:42–09:07 on the 24th, 06:42–09:07 on the 25th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 145 minutes on the 24th and 7 of 145 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 391 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Zunyi, 1988: Saturday 24 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-24", "confidence": "boundary" } ], "quote": "In Zunyi, Ananta Caturdaśī 1988 falls on Saturday 24 September. Caturdaśī runs from 10:27 on Sat 24 Sep to 06:49 on Sun 25 Sep, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-09-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10743, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-09-28T17:18:46+08:00", "utc": "1988-09-28T09:18:46Z", "ms": 591441526153.0183 }, "end": { "local": "1988-09-29T15:00:16+08:00", "utc": "1988-09-29T07:00:16Z", "ms": 591519616304.0676 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-09-28T17:18:46+08:00", "utc": "1988-09-28T09:18:46Z", "ms": 591441526153.0183 }, "end": { "local": "1988-09-29T15:00:16+08:00", "utc": "1988-09-29T07:00:16Z", "ms": 591519616304.0676 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-09-28", "window": { "start": { "local": "1988-09-28T20:17:49+08:00", "utc": "1988-09-28T12:17:49Z", "ms": 591452268935.1145 }, "end": { "local": "1988-09-28T20:17:49+08:00", "utc": "1988-09-28T12:17:49Z", "ms": 591452268935.1145 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-09-29", "window": { "start": { "local": "1988-09-29T21:02:33+08:00", "utc": "1988-09-29T13:02:33Z", "ms": 591541352500.2688 }, "end": { "local": "1988-09-29T21:02:33+08:00", "utc": "1988-09-29T13:02:33Z", "ms": 591541352500.2688 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:19 on Wed 28 Sep to 15:00 on Thu 29 Sep.", "fact": "1988-09-28T09:18:46Z → 1988-09-29T07:00:16Z" }, { "step": "kaala", "text": "Moonrise is at 20:18 on the 28th and 21:03 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10743 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Wednesday 28 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-28", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Wednesday 28 September. Caturthī runs from 17:19 on Wed 28 Sep to 15:00 on Thu 29 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30485, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-09-30T13:24:20+08:00", "utc": "1988-09-30T05:24:20Z", "ms": 591600260461.857 }, "end": { "local": "1988-10-01T12:36:24+08:00", "utc": "1988-10-01T04:36:24Z", "ms": 591683783596.6761 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-09-30T13:24:20+08:00", "utc": "1988-09-30T05:24:20Z", "ms": 591600260461.857 }, "end": { "local": "1988-10-01T12:36:24+08:00", "utc": "1988-10-01T04:36:24Z", "ms": 591683783596.6761 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-09-30", "window": { "start": { "local": "1988-09-30T21:52:26+08:00", "utc": "1988-09-30T13:52:26Z", "ms": 591630745649.7484 }, "end": { "local": "1988-09-30T21:52:26+08:00", "utc": "1988-09-30T13:52:26Z", "ms": 591630745649.7484 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-10-01", "window": { "start": { "local": "1988-10-01T22:47:02+08:00", "utc": "1988-10-01T14:47:02Z", "ms": 591720421637.2317 }, "end": { "local": "1988-10-01T22:47:02+08:00", "utc": "1988-10-01T14:47:02Z", "ms": 591720421637.2317 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:24 on Fri 30 Sep to 12:36 on Sat 1 Oct.", "fact": "1988-09-30T05:24:20Z → 1988-10-01T04:36:24Z" }, { "step": "kaala", "text": "Moonrise is at 21:52 on the 30th and 22:47 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 30th and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30485 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Zunyi, 1988: Friday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-09-30", "confidence": "determinate" } ], "quote": "In Zunyi, Candra Ṣaṣṭhī 1988 falls on Friday 30 September. Ṣaṣṭhī runs from 13:24 on Fri 30 Sep to 12:36 on Sat 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18376, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-10-02T12:38:45+08:00", "utc": "1988-10-02T04:38:45Z", "ms": 591770324786.6991 }, "end": { "local": "1988-10-03T13:29:54+08:00", "utc": "1988-10-03T05:29:54Z", "ms": 591859794157.3412 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-02T12:38:45+08:00", "utc": "1988-10-02T04:38:45Z", "ms": 591770324786.6991 }, "end": { "local": "1988-10-03T13:29:54+08:00", "utc": "1988-10-03T05:29:54Z", "ms": 591859794157.3412 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-10-02", "window": { "start": { "local": "1988-10-02T18:37:18+08:00", "utc": "1988-10-02T10:37:18Z", "ms": 591791837891.5999 }, "end": { "local": "1988-10-02T20:14:29+08:00", "utc": "1988-10-02T12:14:29Z", "ms": 591797669301.3839 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1988-10-03", "window": { "start": { "local": "1988-10-03T18:36:10+08:00", "utc": "1988-10-03T10:36:10Z", "ms": 591878170339.978 }, "end": { "local": "1988-10-03T20:13:35+08:00", "utc": "1988-10-03T12:13:35Z", "ms": 591884014788.2721 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct.", "fact": "1988-10-02T04:38:45Z → 1988-10-03T05:29:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:14 on the 2nd, 18:36–20:14 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 2nd and 0 of 97 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18376 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Zunyi, 1988: Sunday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-02", "confidence": "determinate" } ], "quote": "In Zunyi, Jitāṣṭamī (Jitiya) 1988 falls on Sunday 2 October. Aṣṭamī runs from 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39960, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-10-02T12:38:45+08:00", "utc": "1988-10-02T04:38:45Z", "ms": 591770324786.6991 }, "end": { "local": "1988-10-03T13:29:54+08:00", "utc": "1988-10-03T05:29:54Z", "ms": 591859794157.3412 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-02T12:38:45+08:00", "utc": "1988-10-02T04:38:45Z", "ms": 591770324786.6991 }, "end": { "local": "1988-10-03T13:29:54+08:00", "utc": "1988-10-03T05:29:54Z", "ms": 591859794157.3412 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-10-02", "window": { "start": { "local": "1988-10-02T23:44:45+08:00", "utc": "1988-10-02T15:44:45Z", "ms": 591810284856.3168 }, "end": { "local": "1988-10-02T23:44:45+08:00", "utc": "1988-10-02T15:44:45Z", "ms": 591810284856.3168 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-10-03", "window": { "start": { "local": "1988-10-04T00:43:26+08:00", "utc": "1988-10-03T16:43:26Z", "ms": 591900206136.8423 }, "end": { "local": "1988-10-04T00:43:26+08:00", "utc": "1988-10-03T16:43:26Z", "ms": 591900206136.8423 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct.", "fact": "1988-10-02T04:38:45Z → 1988-10-03T05:29:54Z" }, { "step": "kaala", "text": "Moonrise is at 23:45 on the 2nd and 00:43 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39960 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Zunyi, 1988: Sunday 2 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-02", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālakṣmī Vrata Samāpana 1988 falls on Sunday 2 October. Aṣṭamī runs from 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-10-06", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37532, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-10-05T17:12:46+08:00", "utc": "1988-10-05T09:12:46Z", "ms": 592045966194.0432 }, "end": { "local": "1988-10-06T19:43:47+08:00", "utc": "1988-10-06T11:43:47Z", "ms": 592141426927.6731 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-05T17:12:46+08:00", "utc": "1988-10-05T09:12:46Z", "ms": 592045966194.0432 }, "end": { "local": "1988-10-06T19:43:47+08:00", "utc": "1988-10-06T11:43:47Z", "ms": 592141426927.6731 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-10-05", "window": { "start": { "local": "1988-10-05T06:47:14+08:00", "utc": "1988-10-04T22:47:14Z", "ms": 592008434242.2075 }, "end": { "local": "1988-10-05T06:47:14+08:00", "utc": "1988-10-04T22:47:14Z", "ms": 592008434242.2075 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-10-06", "window": { "start": { "local": "1988-10-06T06:47:45+08:00", "utc": "1988-10-05T22:47:45Z", "ms": 592094865095.4835 }, "end": { "local": "1988-10-06T06:47:45+08:00", "utc": "1988-10-05T22:47:45Z", "ms": 592094865095.4835 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:13 on Wed 5 Oct to 19:44 on Thu 6 Oct.", "fact": "1988-10-05T09:12:46Z → 1988-10-06T11:43:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 5th and 06:48 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37532 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Zunyi, 1988: Thursday 6 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": "1988-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-06", "confidence": "determinate" } ], "quote": "In Zunyi, Indirā Ekādaśī 1988 falls on Thursday 6 October. Ekādaśī runs from 17:13 on Wed 5 Oct to 19:44 on Thu 6 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-10-06", "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/1988/pradosha-vrata?on=1988-10-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8105, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-10-07T22:25:06+08:00", "utc": "1988-10-07T14:25:06Z", "ms": 592237505822.8442 }, "end": { "local": "1988-10-09T01:05:25+08:00", "utc": "1988-10-08T17:05:25Z", "ms": 592333524898.1017 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-07T22:25:06+08:00", "utc": "1988-10-07T14:25:06Z", "ms": 592237505822.8442 }, "end": { "local": "1988-10-09T01:05:25+08:00", "utc": "1988-10-08T17:05:25Z", "ms": 592333524898.1017 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-10-07", "window": { "start": { "local": "1988-10-07T18:31:44+08:00", "utc": "1988-10-07T10:31:44Z", "ms": 592223504499.8568 }, "end": { "local": "1988-10-07T20:10:01+08:00", "utc": "1988-10-07T12:10:01Z", "ms": 592229400937.2173 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1988-10-08", "window": { "start": { "local": "1988-10-08T18:30:39+08:00", "utc": "1988-10-08T10:30:39Z", "ms": 592309839266.2035 }, "end": { "local": "1988-10-08T20:09:09+08:00", "utc": "1988-10-08T12:09:09Z", "ms": 592315748647.8853 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:25 on Fri 7 Oct to 01:05 on Sun 9 Oct.", "fact": "1988-10-07T14:25:06Z → 1988-10-08T17:05:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:10 on the 7th, 18:31–20:09 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 98 minutes on the 7th and 98 of 98 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 8105 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Saturday 8 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": "1988-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-08", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Saturday 8 October. Trayodaśī runs from 22:25 on Fri 7 Oct to 01:05 on Sun 9 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-10-08", "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/1988/shivaratri?on=1988-10-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-09", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 85, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-10-09T01:05:25+08:00", "utc": "1988-10-08T17:05:25Z", "ms": 592333524898.1017 }, "end": { "local": "1988-10-10T03:35:31+08:00", "utc": "1988-10-09T19:35:31Z", "ms": 592428930602.6063 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-09T01:05:25+08:00", "utc": "1988-10-08T17:05:25Z", "ms": 592333524898.1017 }, "end": { "local": "1988-10-10T03:35:31+08:00", "utc": "1988-10-09T19:35:31Z", "ms": 592428930602.6063 } }, "kaala": "nishita", "days": [ { "local_date": "1988-10-08", "window": { "start": { "local": "1988-10-09T00:15:59+08:00", "utc": "1988-10-08T16:15:59Z", "ms": 592330559447.5101 }, "end": { "local": "1988-10-09T01:03:59+08:00", "utc": "1988-10-08T17:03:59Z", "ms": 592333439447.5101 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-10-09", "window": { "start": { "local": "1988-10-10T00:15:43+08:00", "utc": "1988-10-09T16:15:43Z", "ms": 592416943200.897 }, "end": { "local": "1988-10-10T01:03:43+08:00", "utc": "1988-10-09T17:03:43Z", "ms": 592419823200.897 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:05 on Sun 9 Oct to 03:36 on Mon 10 Oct.", "fact": "1988-10-08T17:05:25Z → 1988-10-09T19:35:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 8th, 00:16–01:04 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 85 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Sunday 9 October.", "fact": "confidence: boundary (margin)" } ], "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": "1988-10-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-09", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Sunday 9 October. Caturdaśī runs from 01:05 on Sun 9 Oct to 03:36 on Mon 10 Oct and covers all of niśītha that night. It is 1 min 25 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-10-09", "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/1988/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28798, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1988-10-10T03:35:31+08:00", "utc": "1988-10-09T19:35:31Z", "ms": 592428930602.6063 }, "end": { "local": "1988-10-11T05:48:40+08:00", "utc": "1988-10-10T21:48:40Z", "ms": 592523319712.7167 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-10T03:35:31+08:00", "utc": "1988-10-09T19:35:31Z", "ms": 592428930602.6063 }, "end": { "local": "1988-10-11T05:48:40+08:00", "utc": "1988-10-10T21:48:40Z", "ms": 592523319712.7167 } }, "kaala": "aparahna", "days": [ { "local_date": "1988-10-10", "window": { "start": { "local": "1988-10-10T13:49:03+08:00", "utc": "1988-10-10T05:49:03Z", "ms": 592465743003.5906 }, "end": { "local": "1988-10-10T16:08:47+08:00", "utc": "1988-10-10T08:08:47Z", "ms": 592474126729.546 } }, "covered_min": 140, "window_min": 140, "qualifies": true }, { "local_date": "1988-10-11", "window": { "start": { "local": "1988-10-11T13:48:38+08:00", "utc": "1988-10-11T05:48:38Z", "ms": 592552117909.3186 }, "end": { "local": "1988-10-11T16:08:02+08:00", "utc": "1988-10-11T08:08:02Z", "ms": 592560482419.8239 } }, "covered_min": 0, "window_min": 139, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 03:36 on Mon 10 Oct to 05:49 on Tue 11 Oct.", "fact": "1988-10-09T19:35:31Z → 1988-10-10T21:48:40Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:49–16:09 on the 10th, 13:49–16:08 on the 11th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 140 of 140 minutes on the 10th and 0 of 139 on the 11th.", "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 28798 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Zunyi, 1988: Monday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-10", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālaya Amāvāsyā 1988 falls on Monday 10 October. Amāvasyā runs from 03:36 on Mon 10 Oct to 05:49 on Tue 11 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16453, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-10-11T05:48:40+08:00", "utc": "1988-10-10T21:48:40Z", "ms": 592523319712.7167 }, "end": { "local": "1988-10-12T07:40:28+08:00", "utc": "1988-10-11T23:40:28Z", "ms": 592616427519.7703 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-11T05:48:40+08:00", "utc": "1988-10-10T21:48:40Z", "ms": 592523319712.7167 }, "end": { "local": "1988-10-12T07:40:28+08:00", "utc": "1988-10-11T23:40:28Z", "ms": 592616427519.7703 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-10-11", "window": { "start": { "local": "1988-10-11T12:14:56+08:00", "utc": "1988-10-11T04:14:56Z", "ms": 592546495654.0659 }, "end": { "local": "1988-10-11T13:02:56+08:00", "utc": "1988-10-11T05:02:56Z", "ms": 592549375654.0659 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-10-12", "window": { "start": { "local": "1988-10-12T12:14:41+08:00", "utc": "1988-10-12T04:14:41Z", "ms": 592632880658.8002 }, "end": { "local": "1988-10-12T13:02:41+08:00", "utc": "1988-10-12T05:02:41Z", "ms": 592635760658.8002 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:49 on Tue 11 Oct to 07:40 on Wed 12 Oct.", "fact": "1988-10-10T21:48:40Z → 1988-10-11T23:40:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 11th, 12:15–13:03 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16453 s" }, { "step": "ruling", "text": "Navarātrārambha, Zunyi, 1988: Tuesday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-11", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Navratri) 1988 falls on Tuesday 11 October. Pratipadā runs from 05:49 on Tue 11 Oct to 07:40 on Wed 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-10-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5314, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-10-14T10:10:16+08:00", "utc": "1988-10-14T02:10:16Z", "ms": 592798216487.755 }, "end": { "local": "1988-10-15T10:45:25+08:00", "utc": "1988-10-15T02:45:25Z", "ms": 592886725258.1532 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-14T10:10:16+08:00", "utc": "1988-10-14T02:10:16Z", "ms": 592798216487.755 }, "end": { "local": "1988-10-15T10:45:25+08:00", "utc": "1988-10-15T02:45:25Z", "ms": 592886725258.1532 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-10-14", "window": { "start": { "local": "1988-10-14T12:14:12+08:00", "utc": "1988-10-14T04:14:12Z", "ms": 592805652204.2588 }, "end": { "local": "1988-10-14T13:02:12+08:00", "utc": "1988-10-14T05:02:12Z", "ms": 592808532204.2588 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-10-15", "window": { "start": { "local": "1988-10-15T12:13:59+08:00", "utc": "1988-10-15T04:13:59Z", "ms": 592892038775.3477 }, "end": { "local": "1988-10-15T13:01:59+08:00", "utc": "1988-10-15T05:01:59Z", "ms": 592894918775.3477 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:10 on Fri 14 Oct to 10:45 on Sat 15 Oct.", "fact": "1988-10-14T02:10:16Z → 1988-10-15T02:45:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 14th, 12:14–13:02 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5314 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Friday 14 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": "1988-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-14", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Friday 14 October. Caturthī runs from 10:10 on Fri 14 Oct to 10:45 on Sat 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7094, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-10-17T10:30:27+08:00", "utc": "1988-10-17T02:30:27Z", "ms": 593058627424.8138 }, "end": { "local": "1988-10-18T09:38:20+08:00", "utc": "1988-10-18T01:38:20Z", "ms": 593141900467.8162 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-17T10:30:27+08:00", "utc": "1988-10-17T02:30:27Z", "ms": 593058627424.8138 }, "end": { "local": "1988-10-18T09:38:20+08:00", "utc": "1988-10-18T01:38:20Z", "ms": 593141900467.8162 } }, "kaala": "udaya-1", "days": [ { "local_date": "1988-10-17", "window": { "start": { "local": "1988-10-17T06:53:47+08:00", "utc": "1988-10-16T22:53:47Z", "ms": 593045627461.6724 }, "end": { "local": "1988-10-17T07:39:38+08:00", "utc": "1988-10-16T23:39:38Z", "ms": 593048377611.9884 } }, "covered_min": 0, "window_min": 46, "qualifies": false }, { "local_date": "1988-10-18", "window": { "start": { "local": "1988-10-18T06:54:23+08:00", "utc": "1988-10-17T22:54:23Z", "ms": 593132062645.6434 }, "end": { "local": "1988-10-18T07:40:07+08:00", "utc": "1988-10-17T23:40:07Z", "ms": 593134806541.11 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:30 on Mon 17 Oct to 09:38 on Tue 18 Oct.", "fact": "1988-10-17T02:30:27Z → 1988-10-18T01:38:20Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:54–07:40 on the 17th, 06:54–07:40 on the 18th.", "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 46 minutes on the 17th and 46 of 46 on the 18th.", "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 7094 s" }, { "step": "ruling", "text": "Durgā Saptamī, Zunyi, 1988: Tuesday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Saptamī 1988 falls on Tuesday 18 October. Saptamī runs from 10:30 on Mon 17 Oct to 09:38 on Tue 18 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9301, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-10-18T09:38:20+08:00", "utc": "1988-10-18T01:38:20Z", "ms": 593141900467.8162 }, "end": { "local": "1988-10-19T08:15:52+08:00", "utc": "1988-10-19T00:15:52Z", "ms": 593223352482.3938 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-18T09:38:20+08:00", "utc": "1988-10-18T01:38:20Z", "ms": 593141900467.8162 }, "end": { "local": "1988-10-19T08:15:52+08:00", "utc": "1988-10-19T00:15:52Z", "ms": 593223352482.3938 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-10-18", "window": { "start": { "local": "1988-10-18T12:13:22+08:00", "utc": "1988-10-18T04:13:22Z", "ms": 593151201861.6428 }, "end": { "local": "1988-10-18T13:01:22+08:00", "utc": "1988-10-18T05:01:22Z", "ms": 593154081861.6428 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-10-19", "window": { "start": { "local": "1988-10-19T12:13:11+08:00", "utc": "1988-10-19T04:13:11Z", "ms": 593237590731.8076 }, "end": { "local": "1988-10-19T13:01:11+08:00", "utc": "1988-10-19T05:01:11Z", "ms": 593240470731.8076 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:38 on Tue 18 Oct to 08:16 on Wed 19 Oct.", "fact": "1988-10-18T01:38:20Z → 1988-10-19T00:15:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 18th, 12:13–13:01 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9301 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Zunyi, 1988: Tuesday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-18", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāṣṭamī (Durga Ashtami) 1988 falls on Tuesday 18 October. Aṣṭamī runs from 09:38 on Tue 18 Oct to 08:16 on Wed 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14238, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1988-10-19T08:15:52+08:00", "utc": "1988-10-19T00:15:52Z", "ms": 593223352482.3938 }, "end": { "local": "1988-10-20T06:23:47+08:00", "utc": "1988-10-19T22:23:47Z", "ms": 593303026806.915 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-19T08:15:52+08:00", "utc": "1988-10-19T00:15:52Z", "ms": 593223352482.3938 }, "end": { "local": "1988-10-20T06:23:47+08:00", "utc": "1988-10-19T22:23:47Z", "ms": 593303026806.915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-10-19", "window": { "start": { "local": "1988-10-19T12:13:11+08:00", "utc": "1988-10-19T04:13:11Z", "ms": 593237590731.8076 }, "end": { "local": "1988-10-19T13:01:11+08:00", "utc": "1988-10-19T05:01:11Z", "ms": 593240470731.8076 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-10-20", "window": { "start": { "local": "1988-10-20T12:13:00+08:00", "utc": "1988-10-20T04:13:00Z", "ms": 593323980215.4031 }, "end": { "local": "1988-10-20T13:01:00+08:00", "utc": "1988-10-20T05:01:00Z", "ms": 593326860215.4031 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:16 on Wed 19 Oct to 06:24 on Thu 20 Oct.", "fact": "1988-10-19T00:15:52Z → 1988-10-19T22:23:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 19th, 12:13–13:01 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14238 s" }, { "step": "ruling", "text": "Mahānavamī, Zunyi, 1988: Wednesday 19 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": "1988-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-19", "confidence": "determinate" } ], "quote": "In Zunyi, Mahānavamī 1988 falls on Wednesday 19 October. Navamī runs from 08:16 on Wed 19 Oct to 06:24 on Thu 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1907, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1988-10-20T06:23:47+08:00", "utc": "1988-10-19T22:23:47Z", "ms": 593303026806.915 }, "end": { "local": "1988-10-21T04:04:09+08:00", "utc": "1988-10-20T20:04:09Z", "ms": 593381049175.1934 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1988-10-20T06:23:47+08:00", "utc": "1988-10-19T22:23:47Z", "ms": 593303026806.915 }, "end": { "local": "1988-10-20T10:15:38+08:00", "utc": "1988-10-20T02:15:38Z", "ms": 593316938419.0045 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1988-10-19T11:29:17+08:00", "utc": "1988-10-19T03:29:17Z", "ms": 593234956660.0714 }, "end": { "local": "1988-10-20T10:15:38+08:00", "utc": "1988-10-20T02:15:38Z", "ms": 593316938419.0045 } } }, "kaala": "daytime", "days": [ { "local_date": "1988-10-19", "window": { "start": { "local": "1988-10-19T06:54:58+08:00", "utc": "1988-10-18T22:54:58Z", "ms": 593218498221.7325 }, "end": { "local": "1988-10-19T18:19:23+08:00", "utc": "1988-10-19T10:19:23Z", "ms": 593259563241.8827 } }, "covered_min": 0, "window_min": 684, "qualifies": false }, { "local_date": "1988-10-20", "window": { "start": { "local": "1988-10-20T06:55:34+08:00", "utc": "1988-10-19T22:55:34Z", "ms": 593304934194.0273 }, "end": { "local": "1988-10-20T18:18:26+08:00", "utc": "1988-10-20T10:18:26Z", "ms": 593345906236.7789 } }, "covered_min": 200, "window_min": 683, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 06:24 on Thu 20 Oct to 04:04 on Fri 21 Oct, and Śravaṇa from 11:29 on Wed 19 Oct to 10:16 on Thu 20 Oct. They are together from 06:24 on Thu 20 Oct to 10:16 on Thu 20 Oct.", "fact": "1988-10-19T22:23:47Z → 1988-10-20T02:15:38Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:55–18:19 on the 19th, 06:56–18:18 on the 20th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 684 minutes on the 19th and 200 of 683 on the 20th.", "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 1907 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Zunyi, 1988: Thursday 20 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": "1988-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Daśamī (Dussehra) 1988 falls on Thursday 20 October. Daśamī runs from 06:24 on Thu 20 Oct to 04:04 on Fri 21 Oct and is with Śravaṇa in the day time that day, for 200 minutes.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-10-21", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10321, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-10-21T04:04:09+08:00", "utc": "1988-10-20T20:04:09Z", "ms": 593381049175.1934 }, "end": { "local": "1988-10-22T01:20:40+08:00", "utc": "1988-10-21T17:20:40Z", "ms": 593457640164.9679 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-21T04:04:09+08:00", "utc": "1988-10-20T20:04:09Z", "ms": 593381049175.1934 }, "end": { "local": "1988-10-22T01:20:40+08:00", "utc": "1988-10-21T17:20:40Z", "ms": 593457640164.9679 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-10-21", "window": { "start": { "local": "1988-10-21T06:56:11+08:00", "utc": "1988-10-20T22:56:11Z", "ms": 593391370567.2682 }, "end": { "local": "1988-10-21T06:56:11+08:00", "utc": "1988-10-20T22:56:11Z", "ms": 593391370567.2682 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-10-22", "window": { "start": { "local": "1988-10-22T06:56:47+08:00", "utc": "1988-10-21T22:56:47Z", "ms": 593477807347.1085 }, "end": { "local": "1988-10-22T06:56:47+08:00", "utc": "1988-10-21T22:56:47Z", "ms": 593477807347.1085 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:04 on Fri 21 Oct to 01:21 on Sat 22 Oct.", "fact": "1988-10-20T20:04:09Z → 1988-10-21T17:20:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 21st and 06:57 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10321 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Zunyi, 1988: Friday 21 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": "1988-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-21", "confidence": "determinate" } ], "quote": "In Zunyi, Pāśāṅkuśā Ekādaśī 1988 falls on Friday 21 October. Ekādaśī runs from 04:04 on Fri 21 Oct to 01:21 on Sat 22 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-10-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2950, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-10-22T22:18:38+08:00", "utc": "1988-10-22T14:18:38Z", "ms": 593533117611.2498 }, "end": { "local": "1988-10-23T19:04:50+08:00", "utc": "1988-10-23T11:04:50Z", "ms": 593607890353.8188 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1988-10-22T22:18:38+08:00", "utc": "1988-10-22T14:18:38Z", "ms": 593533117611.2498 }, "end": { "local": "1988-10-23T19:04:50+08:00", "utc": "1988-10-23T11:04:50Z", "ms": 593607890353.8188 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-10-22", "window": { "start": { "local": "1988-10-22T18:16:35+08:00", "utc": "1988-10-22T10:16:35Z", "ms": 593518594832.4995 }, "end": { "local": "1988-10-22T19:58:01+08:00", "utc": "1988-10-22T11:58:01Z", "ms": 593524681460.1941 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1988-10-23", "window": { "start": { "local": "1988-10-23T18:15:40+08:00", "utc": "1988-10-23T10:15:40Z", "ms": 593604940491.8618 }, "end": { "local": "1988-10-23T19:57:19+08:00", "utc": "1988-10-23T11:57:19Z", "ms": 593611039380.1512 } }, "covered_min": 49, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:19 on Sat 22 Oct to 19:05 on Sun 23 Oct.", "fact": "1988-10-22T14:18:38Z → 1988-10-23T11:04:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:58 on the 22nd, 18:16–19:57 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 101 minutes on the 22nd and 49 of 102 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 2950 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Sunday 23 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": "1988-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Sunday 23 October. Trayodaśī runs from 22:19 on Sat 22 Oct to 19:05 on Sun 23 Oct and covers 49 of 102 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-10-23", "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/1988/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26658, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-10-28T05:11:18+08:00", "utc": "1988-10-27T21:11:18Z", "ms": 593989877679.6504 }, "end": { "local": "1988-10-29T03:58:01+08:00", "utc": "1988-10-28T19:58:01Z", "ms": 594071881258.472 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-10-28T05:11:18+08:00", "utc": "1988-10-27T21:11:18Z", "ms": 593989877679.6504 }, "end": { "local": "1988-10-29T03:58:01+08:00", "utc": "1988-10-28T19:58:01Z", "ms": 594071881258.472 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-10-27", "window": { "start": { "local": "1988-10-27T19:39:38+08:00", "utc": "1988-10-27T11:39:38Z", "ms": 593955578208.5502 }, "end": { "local": "1988-10-27T19:39:38+08:00", "utc": "1988-10-27T11:39:38Z", "ms": 593955578208.5502 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-10-28", "window": { "start": { "local": "1988-10-28T20:33:43+08:00", "utc": "1988-10-28T12:33:43Z", "ms": 594045223220.4261 }, "end": { "local": "1988-10-28T20:33:43+08:00", "utc": "1988-10-28T12:33:43Z", "ms": 594045223220.4261 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:11 on Fri 28 Oct to 03:58 on Sat 29 Oct.", "fact": "1988-10-27T21:11:18Z → 1988-10-28T19:58:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:40 on the 27th and 20:34 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26658 s" }, { "step": "ruling", "text": "Karaka Caturthī, Zunyi, 1988: Friday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-28", "confidence": "determinate" } ], "quote": "In Zunyi, Karaka Caturthī (Karwa Chauth) 1988 falls on Friday 28 October. Caturthī runs from 05:11 on Fri 28 Oct to 03:58 on Sat 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-10-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26658, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-10-28T05:11:18+08:00", "utc": "1988-10-27T21:11:18Z", "ms": 593989877679.6504 }, "end": { "local": "1988-10-29T03:58:01+08:00", "utc": "1988-10-28T19:58:01Z", "ms": 594071881258.472 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-10-28T05:11:18+08:00", "utc": "1988-10-27T21:11:18Z", "ms": 593989877679.6504 }, "end": { "local": "1988-10-29T03:58:01+08:00", "utc": "1988-10-28T19:58:01Z", "ms": 594071881258.472 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-10-27", "window": { "start": { "local": "1988-10-27T19:39:38+08:00", "utc": "1988-10-27T11:39:38Z", "ms": 593955578208.5502 }, "end": { "local": "1988-10-27T19:39:38+08:00", "utc": "1988-10-27T11:39:38Z", "ms": 593955578208.5502 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-10-28", "window": { "start": { "local": "1988-10-28T20:33:43+08:00", "utc": "1988-10-28T12:33:43Z", "ms": 594045223220.4261 }, "end": { "local": "1988-10-28T20:33:43+08:00", "utc": "1988-10-28T12:33:43Z", "ms": 594045223220.4261 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:11 on Fri 28 Oct to 03:58 on Sat 29 Oct.", "fact": "1988-10-27T21:11:18Z → 1988-10-28T19:58:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:40 on the 27th and 20:34 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26658 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Friday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-10-28", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Friday 28 October. Caturthī runs from 05:11 on Fri 28 Oct to 03:58 on Sat 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20731, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-11-01T05:17:06+08:00", "utc": "1988-10-31T21:17:06Z", "ms": 594335825605.3184 }, "end": { "local": "1988-11-02T07:14:57+08:00", "utc": "1988-11-01T23:14:57Z", "ms": 594429297100.5284 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-01T05:17:06+08:00", "utc": "1988-10-31T21:17:06Z", "ms": 594335825605.3184 }, "end": { "local": "1988-11-02T07:14:57+08:00", "utc": "1988-11-01T23:14:57Z", "ms": 594429297100.5284 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-10-31", "window": { "start": { "local": "1988-10-31T23:31:34+08:00", "utc": "1988-10-31T15:31:34Z", "ms": 594315094194.7672 }, "end": { "local": "1988-10-31T23:31:34+08:00", "utc": "1988-10-31T15:31:34Z", "ms": 594315094194.7672 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-11-01", "window": { "start": { "local": "1988-11-02T00:29:02+08:00", "utc": "1988-11-01T16:29:02Z", "ms": 594404941577.4976 }, "end": { "local": "1988-11-02T00:29:02+08:00", "utc": "1988-11-01T16:29:02Z", "ms": 594404941577.4976 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:17 on Tue 1 Nov to 07:15 on Wed 2 Nov.", "fact": "1988-10-31T21:17:06Z → 1988-11-01T23:14:57Z" }, { "step": "kaala", "text": "Moonrise is at 23:32 on the 31st and 00:29 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20731 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Zunyi, 1988: Tuesday 1 November.", "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": "1988-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-01", "confidence": "determinate" } ], "quote": "In Zunyi, Ahoyī Aṣṭamī 1988 falls on Tuesday 1 November. Aṣṭamī runs from 05:17 on Tue 1 Nov to 07:15 on Wed 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-11-05", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19167, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-11-04T12:24:52+08:00", "utc": "1988-11-04T04:24:52Z", "ms": 594620691719.8494 }, "end": { "local": "1988-11-05T15:06:45+08:00", "utc": "1988-11-05T07:06:45Z", "ms": 594716804611.3243 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-04T12:24:52+08:00", "utc": "1988-11-04T04:24:52Z", "ms": 594620691719.8494 }, "end": { "local": "1988-11-05T15:06:45+08:00", "utc": "1988-11-05T07:06:45Z", "ms": 594716804611.3243 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-11-04", "window": { "start": { "local": "1988-11-04T07:05:25+08:00", "utc": "1988-11-03T23:05:25Z", "ms": 594601524879.1019 }, "end": { "local": "1988-11-04T07:05:25+08:00", "utc": "1988-11-03T23:05:25Z", "ms": 594601524879.1019 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-11-05", "window": { "start": { "local": "1988-11-05T07:06:08+08:00", "utc": "1988-11-04T23:06:08Z", "ms": 594687967703.7139 }, "end": { "local": "1988-11-05T07:06:08+08:00", "utc": "1988-11-04T23:06:08Z", "ms": 594687967703.7139 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:25 on Fri 4 Nov to 15:07 on Sat 5 Nov.", "fact": "1988-11-04T04:24:52Z → 1988-11-05T07:06:45Z" }, { "step": "kaala", "text": "Sunrise is at 07:05 on the 4th and 07:06 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 19167 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Zunyi, 1988: Saturday 5 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": "1988-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-05", "confidence": "determinate" } ], "quote": "In Zunyi, Ramā Ekādaśī 1988 falls on Saturday 5 November. Ekādaśī runs from 12:25 on Fri 4 Nov to 15:07 on Sat 5 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1803, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-11-05T15:06:45+08:00", "utc": "1988-11-05T07:06:45Z", "ms": 594716804611.3243 }, "end": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-05T15:06:45+08:00", "utc": "1988-11-05T07:06:45Z", "ms": 594716804611.3243 }, "end": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-05", "window": { "start": { "local": "1988-11-05T18:05:31+08:00", "utc": "1988-11-05T10:05:31Z", "ms": 594727531024.6372 }, "end": { "local": "1988-11-05T19:49:42+08:00", "utc": "1988-11-05T11:49:42Z", "ms": 594733781677.4069 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1988-11-06", "window": { "start": { "local": "1988-11-06T18:04:53+08:00", "utc": "1988-11-06T10:04:53Z", "ms": 594813892565.8093 }, "end": { "local": "1988-11-06T19:49:14+08:00", "utc": "1988-11-06T11:49:14Z", "ms": 594820154158.9938 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:07 on Sat 5 Nov to 17:35 on Sun 6 Nov.", "fact": "1988-11-05T07:06:45Z → 1988-11-06T09:34:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:50 on the 5th, 18:05–19:49 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 5th and 0 of 104 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1803 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Zunyi, 1988: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-05", "confidence": "determinate" } ], "quote": "In Zunyi, Govatsa Dvādaśī (Vasu Baras) 1988 falls on Saturday 5 November. Dvādaśī runs from 15:07 on Sat 5 Nov to 17:35 on Sun 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 564, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 }, "end": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 }, "end": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-06", "window": { "start": { "local": "1988-11-06T18:04:53+08:00", "utc": "1988-11-06T10:04:53Z", "ms": 594813892565.8093 }, "end": { "local": "1988-11-06T19:49:14+08:00", "utc": "1988-11-06T11:49:14Z", "ms": 594820154158.9938 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1988-11-07", "window": { "start": { "local": "1988-11-07T18:04:15+08:00", "utc": "1988-11-07T10:04:15Z", "ms": 594900255432.2491 }, "end": { "local": "1988-11-07T19:48:48+08:00", "utc": "1988-11-07T11:48:48Z", "ms": 594906527837.3333 } }, "covered_min": 95, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:35 on Sun 6 Nov to 19:39 on Mon 7 Nov.", "fact": "1988-11-06T09:34:49Z → 1988-11-07T11:39:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:49 on the 6th, 18:04–19:49 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 104 of 104 minutes on the 6th and 95 of 105 on the 7th.", "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 564 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Zunyi, 1988: Sunday 6 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1988-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-06", "confidence": "boundary" } ], "quote": "In Zunyi, Yama Dīpadāna 1988 falls on Sunday 6 November. Trayodaśī runs from 17:35 on Sun 6 Nov to 19:39 on Mon 7 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 95 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/1988/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/1988/pradosha-vrata?on=1988-11-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 564, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 }, "end": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-06T17:34:49+08:00", "utc": "1988-11-06T09:34:49Z", "ms": 594812089274.6736 }, "end": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-06", "window": { "start": { "local": "1988-11-06T18:04:53+08:00", "utc": "1988-11-06T10:04:53Z", "ms": 594813892565.8093 }, "end": { "local": "1988-11-06T19:49:14+08:00", "utc": "1988-11-06T11:49:14Z", "ms": 594820154158.9938 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1988-11-07", "window": { "start": { "local": "1988-11-07T18:04:15+08:00", "utc": "1988-11-07T10:04:15Z", "ms": 594900255432.2491 }, "end": { "local": "1988-11-07T19:48:48+08:00", "utc": "1988-11-07T11:48:48Z", "ms": 594906527837.3333 } }, "covered_min": 95, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:35 on Sun 6 Nov to 19:39 on Mon 7 Nov.", "fact": "1988-11-06T09:34:49Z → 1988-11-07T11:39:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:49 on the 6th, 18:04–19:49 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 104 of 104 minutes on the 6th and 95 of 105 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 564 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Sunday 6 November.", "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": "1988-11-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-06", "confidence": "boundary" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Sunday 6 November. Trayodaśī runs from 17:35 on Sun 6 Nov to 19:39 on Mon 7 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 95 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/1988/pradosha-vrata?on=1988-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/shivaratri?on=1988-11-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10643, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "end": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "end": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 } }, "kaala": "nishita", "days": [ { "local_date": "1988-11-07", "window": { "start": { "local": "1988-11-08T00:12:17+08:00", "utc": "1988-11-07T16:12:17Z", "ms": 594922336951.3146 }, "end": { "local": "1988-11-08T01:00:17+08:00", "utc": "1988-11-07T17:00:17Z", "ms": 594925216951.3146 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-11-08", "window": { "start": { "local": "1988-11-09T00:12:21+08:00", "utc": "1988-11-08T16:12:21Z", "ms": 595008741207.0896 }, "end": { "local": "1988-11-09T01:00:21+08:00", "utc": "1988-11-08T17:00:21Z", "ms": 595011621207.0896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:39 on Mon 7 Nov to 21:15 on Tue 8 Nov.", "fact": "1988-11-07T11:39:24Z → 1988-11-08T13:14:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 7th, 00:12–01:00 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10643 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Monday 7 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": "1988-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Monday 7 November. Caturdaśī runs from 19:39 on Mon 7 Nov to 21:15 on Tue 8 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-11-07", "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/1988/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29362, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "end": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-07T19:39:24+08:00", "utc": "1988-11-07T11:39:24Z", "ms": 594905964249.0492 }, "end": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 } }, "kaala": "arunodaya", "days": [ { "local_date": "1988-11-08", "window": { "start": { "local": "1988-11-08T05:23:46+08:00", "utc": "1988-11-07T21:23:46Z", "ms": 594941026065.2959 }, "end": { "local": "1988-11-08T07:08:18+08:00", "utc": "1988-11-07T23:08:18Z", "ms": 594947298470.38 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1988-11-09", "window": { "start": { "local": "1988-11-09T05:24:20+08:00", "utc": "1988-11-08T21:24:20Z", "ms": 595027459686.248 }, "end": { "local": "1988-11-09T07:09:03+08:00", "utc": "1988-11-08T23:09:03Z", "ms": 595033742769.5785 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:39 on Mon 7 Nov to 21:15 on Tue 8 Nov.", "fact": "1988-11-07T11:39:24Z → 1988-11-08T13:14:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:24–07:08 on the 8th, 05:24–07:09 on the 9th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 105 of 105 minutes on the 8th and 0 of 105 on the 9th.", "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 29362 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Zunyi, 1988: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-08", "confidence": "determinate" } ], "quote": "In Zunyi, Naraka Caturdaśī (Choti Diwali) 1988 falls on Tuesday 8 November. Caturdaśī runs from 19:39 on Mon 7 Nov to 21:15 on Tue 8 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6762, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "end": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "end": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 } }, "kaala": "nishita", "days": [ { "local_date": "1988-11-08", "window": { "start": { "local": "1988-11-09T00:12:21+08:00", "utc": "1988-11-08T16:12:21Z", "ms": 595008741207.0896 }, "end": { "local": "1988-11-09T01:00:21+08:00", "utc": "1988-11-08T17:00:21Z", "ms": 595011621207.0896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-11-09", "window": { "start": { "local": "1988-11-10T00:12:26+08:00", "utc": "1988-11-09T16:12:26Z", "ms": 595095146307.5558 }, "end": { "local": "1988-11-10T01:00:26+08:00", "utc": "1988-11-09T17:00:26Z", "ms": 595098026307.5558 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:15 on Tue 8 Nov to 22:20 on Wed 9 Nov.", "fact": "1988-11-08T13:14:58Z → 1988-11-09T14:19:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 8th, 00:12–01:00 on the 9th.", "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 8th and 0 of 48 on the 9th.", "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 6762 s" }, { "step": "ruling", "text": "Kālī Pūjā, Zunyi, 1988: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-08", "confidence": "determinate" } ], "quote": "In Zunyi, Kālī Pūjā 1988 falls on Tuesday 8 November. Amāvasyā runs from 21:15 on Tue 8 Nov to 22:20 on Wed 9 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5195, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "end": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-08T21:14:58+08:00", "utc": "1988-11-08T13:14:58Z", "ms": 594998098109.8625 }, "end": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-08", "window": { "start": { "local": "1988-11-08T18:03:40+08:00", "utc": "1988-11-08T10:03:40Z", "ms": 594986619644.6006 }, "end": { "local": "1988-11-08T19:48:23+08:00", "utc": "1988-11-08T11:48:23Z", "ms": 594992902727.931 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1988-11-09", "window": { "start": { "local": "1988-11-09T18:03:05+08:00", "utc": "1988-11-09T10:03:05Z", "ms": 595072985222.4235 }, "end": { "local": "1988-11-09T19:47:59+08:00", "utc": "1988-11-09T11:47:59Z", "ms": 595079278845.1254 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:15 on Tue 8 Nov to 22:20 on Wed 9 Nov.", "fact": "1988-11-08T13:14:58Z → 1988-11-09T14:19:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:48 on the 8th, 18:03–19:48 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 105 minutes on the 8th and 105 of 105 on the 9th.", "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 5195 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Zunyi, 1988: Wednesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-09", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pūjā (Diwali) 1988 falls on Wednesday 9 November. Amāvasyā runs from 21:15 on Tue 8 Nov to 22:20 on Wed 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33580, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-09", "window": { "start": { "local": "1988-11-09T12:12:04+08:00", "utc": "1988-11-09T04:12:04Z", "ms": 595051923996.001 }, "end": { "local": "1988-11-09T13:00:04+08:00", "utc": "1988-11-09T05:00:04Z", "ms": 595054803996.001 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-10", "window": { "start": { "local": "1988-11-10T12:12:10+08:00", "utc": "1988-11-10T04:12:10Z", "ms": 595138329788.4458 }, "end": { "local": "1988-11-10T13:00:10+08:00", "utc": "1988-11-10T05:00:10Z", "ms": 595141209788.4458 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov.", "fact": "1988-11-09T14:19:44Z → 1988-11-10T14:54:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 9th, 12:12–13:00 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33580 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Zunyi, 1988: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-10", "confidence": "determinate" } ], "quote": "In Zunyi, Govardhana Pūjā 1988 falls on Thursday 10 November. Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9105, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-09", "window": { "start": { "local": "1988-11-09T18:03:05+08:00", "utc": "1988-11-09T10:03:05Z", "ms": 595072985222.4235 }, "end": { "local": "1988-11-09T19:47:59+08:00", "utc": "1988-11-09T11:47:59Z", "ms": 595079278845.1254 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1988-11-10", "window": { "start": { "local": "1988-11-10T18:02:32+08:00", "utc": "1988-11-10T10:02:32Z", "ms": 595159352184.2036 }, "end": { "local": "1988-11-10T19:47:36+08:00", "utc": "1988-11-10T11:47:36Z", "ms": 595165656202.102 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov.", "fact": "1988-11-09T14:19:44Z → 1988-11-10T14:54:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:48 on the 9th, 18:03–19:48 on the 10th.", "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 105 minutes on the 9th and 105 of 105 on the 10th.", "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 9105 s" }, { "step": "ruling", "text": "Bali Pūjā, Zunyi, 1988: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-10", "confidence": "determinate" } ], "quote": "In Zunyi, Bali Pūjā 1988 falls on Thursday 10 November. Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29750, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-09T22:19:44+08:00", "utc": "1988-11-09T14:19:44Z", "ms": 595088384291.5946 }, "end": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 } }, "kaala": "purvahna", "days": [ { "local_date": "1988-11-10", "window": { "start": { "local": "1988-11-10T07:09:47+08:00", "utc": "1988-11-09T23:09:47Z", "ms": 595120187392.6881 }, "end": { "local": "1988-11-10T10:47:22+08:00", "utc": "1988-11-10T02:47:22Z", "ms": 595133242323.1932 } }, "covered_min": 218, "window_min": 218, "qualifies": true }, { "local_date": "1988-11-11", "window": { "start": { "local": "1988-11-11T07:10:32+08:00", "utc": "1988-11-10T23:10:32Z", "ms": 595206632318.4423 }, "end": { "local": "1988-11-11T10:47:42+08:00", "utc": "1988-11-11T02:47:42Z", "ms": 595219661728.103 } }, "covered_min": 0, "window_min": 217, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov.", "fact": "1988-11-09T14:19:44Z → 1988-11-10T14:54:42Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:10–10:47 on the 10th, 07:11–10:48 on the 11th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 10th and 0 of 217 on the 11th.", "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 29750 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Zunyi, 1988: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-10", "confidence": "determinate" } ], "quote": "In Zunyi, Dyūta Pratipad 1988 falls on Thursday 10 November. Pratipadā runs from 22:20 on Wed 9 Nov to 22:55 on Thu 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35672, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 }, "end": { "local": "1988-11-11T23:02:28+08:00", "utc": "1988-11-11T15:02:28Z", "ms": 595263747578.8513 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-10T22:54:42+08:00", "utc": "1988-11-10T14:54:42Z", "ms": 595176882119.3066 }, "end": { "local": "1988-11-11T23:02:28+08:00", "utc": "1988-11-11T15:02:28Z", "ms": 595263747578.8513 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-10", "window": { "start": { "local": "1988-11-10T12:12:10+08:00", "utc": "1988-11-10T04:12:10Z", "ms": 595138329788.4458 }, "end": { "local": "1988-11-10T13:00:10+08:00", "utc": "1988-11-10T05:00:10Z", "ms": 595141209788.4458 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-11", "window": { "start": { "local": "1988-11-11T12:12:16+08:00", "utc": "1988-11-11T04:12:16Z", "ms": 595224736432.9333 }, "end": { "local": "1988-11-11T13:00:16+08:00", "utc": "1988-11-11T05:00:16Z", "ms": 595227616432.9333 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:55 on Thu 10 Nov to 23:02 on Fri 11 Nov.", "fact": "1988-11-10T14:54:42Z → 1988-11-11T15:02:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 10th, 12:12–13:00 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35672 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Zunyi, 1988: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-11", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dvitīyā (Bhai Dooj) 1988 falls on Friday 11 November. Dvitīyā runs from 22:55 on Thu 10 Nov to 23:02 on Fri 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32892, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-11-12T22:46:10+08:00", "utc": "1988-11-12T14:46:10Z", "ms": 595349170063.9016 }, "end": { "local": "1988-11-13T22:08:44+08:00", "utc": "1988-11-13T14:08:44Z", "ms": 595433324045.6172 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-12T22:46:10+08:00", "utc": "1988-11-12T14:46:10Z", "ms": 595349170063.9016 }, "end": { "local": "1988-11-13T22:08:44+08:00", "utc": "1988-11-13T14:08:44Z", "ms": 595433324045.6172 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-12", "window": { "start": { "local": "1988-11-12T12:12:24+08:00", "utc": "1988-11-12T04:12:24Z", "ms": 595311143926.353 }, "end": { "local": "1988-11-12T13:00:24+08:00", "utc": "1988-11-12T05:00:24Z", "ms": 595314023926.353 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-13", "window": { "start": { "local": "1988-11-13T12:12:32+08:00", "utc": "1988-11-13T04:12:32Z", "ms": 595397552264.5472 }, "end": { "local": "1988-11-13T13:00:32+08:00", "utc": "1988-11-13T05:00:32Z", "ms": 595400432264.5472 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:46 on Sat 12 Nov to 22:09 on Sun 13 Nov.", "fact": "1988-11-12T14:46:10Z → 1988-11-13T14:08:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 12th, 12:13–13:01 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32892 s" }, { "step": "ruling", "text": "Nāga Caturthī, Zunyi, 1988: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-13", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Caturthī 1988 falls on Sunday 13 November. Caturthī runs from 22:46 on Sat 12 Nov to 22:09 on Sun 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/vinayaka-chaturthi?on=1988-11-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32892, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-11-12T22:46:10+08:00", "utc": "1988-11-12T14:46:10Z", "ms": 595349170063.9016 }, "end": { "local": "1988-11-13T22:08:44+08:00", "utc": "1988-11-13T14:08:44Z", "ms": 595433324045.6172 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-12T22:46:10+08:00", "utc": "1988-11-12T14:46:10Z", "ms": 595349170063.9016 }, "end": { "local": "1988-11-13T22:08:44+08:00", "utc": "1988-11-13T14:08:44Z", "ms": 595433324045.6172 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-12", "window": { "start": { "local": "1988-11-12T12:12:24+08:00", "utc": "1988-11-12T04:12:24Z", "ms": 595311143926.353 }, "end": { "local": "1988-11-12T13:00:24+08:00", "utc": "1988-11-12T05:00:24Z", "ms": 595314023926.353 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-13", "window": { "start": { "local": "1988-11-13T12:12:32+08:00", "utc": "1988-11-13T04:12:32Z", "ms": 595397552264.5472 }, "end": { "local": "1988-11-13T13:00:32+08:00", "utc": "1988-11-13T05:00:32Z", "ms": 595400432264.5472 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:46 on Sat 12 Nov to 22:09 on Sun 13 Nov.", "fact": "1988-11-12T14:46:10Z → 1988-11-13T14:08:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 12th, 12:13–13:01 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32892 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Sunday 13 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": "1988-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-13", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Sunday 13 November. Caturthī runs from 22:46 on Sat 12 Nov to 22:09 on Sun 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25044, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-11-14T21:12:20+08:00", "utc": "1988-11-14T13:12:20Z", "ms": 595516339936.7424 }, "end": { "local": "1988-11-15T19:58:16+08:00", "utc": "1988-11-15T11:58:16Z", "ms": 595598295664.9976 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-14T21:12:20+08:00", "utc": "1988-11-14T13:12:20Z", "ms": 595516339936.7424 }, "end": { "local": "1988-11-15T19:58:16+08:00", "utc": "1988-11-15T11:58:16Z", "ms": 595598295664.9976 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-14", "window": { "start": { "local": "1988-11-14T12:12:41+08:00", "utc": "1988-11-14T04:12:41Z", "ms": 595483961442.5234 }, "end": { "local": "1988-11-14T13:00:41+08:00", "utc": "1988-11-14T05:00:41Z", "ms": 595486841442.5234 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-15", "window": { "start": { "local": "1988-11-15T12:12:51+08:00", "utc": "1988-11-15T04:12:51Z", "ms": 595570371454.6897 }, "end": { "local": "1988-11-15T13:00:51+08:00", "utc": "1988-11-15T05:00:51Z", "ms": 595573251454.6897 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:12 on Mon 14 Nov to 19:58 on Tue 15 Nov.", "fact": "1988-11-14T13:12:20Z → 1988-11-15T11:58:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 14th, 12:13–13:01 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25044 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Zunyi, 1988: Tuesday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-15", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Chhath) 1988 falls on Tuesday 15 November. Ṣaṣṭhī runs from 21:12 on Mon 14 Nov to 19:58 on Tue 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13085, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1988-11-16T18:27:08+08:00", "utc": "1988-11-16T10:27:08Z", "ms": 595679227972.072 }, "end": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-16T18:27:08+08:00", "utc": "1988-11-16T10:27:08Z", "ms": 595679227972.072 }, "end": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-16", "window": { "start": { "local": "1988-11-16T12:13:02+08:00", "utc": "1988-11-16T04:13:02Z", "ms": 595656782295.0908 }, "end": { "local": "1988-11-16T13:01:02+08:00", "utc": "1988-11-16T05:01:02Z", "ms": 595659662295.0908 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-17", "window": { "start": { "local": "1988-11-17T12:13:14+08:00", "utc": "1988-11-17T04:13:14Z", "ms": 595743193957.6272 }, "end": { "local": "1988-11-17T13:01:14+08:00", "utc": "1988-11-17T05:01:14Z", "ms": 595746073957.6272 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:27 on Wed 16 Nov to 16:39 on Thu 17 Nov.", "fact": "1988-11-16T10:27:08Z → 1988-11-17T08:39:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 16th, 12:13–13:01 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13085 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Zunyi, 1988: Thursday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-17", "confidence": "determinate" } ], "quote": "In Zunyi, Gopāṣṭamī 1988 falls on Thursday 17 November. Aṣṭamī runs from 18:27 on Wed 16 Nov to 16:39 on Thu 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13518, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 }, "end": { "local": "1988-11-18T14:35:33+08:00", "utc": "1988-11-18T06:35:33Z", "ms": 595838133254.5402 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 }, "end": { "local": "1988-11-18T14:35:33+08:00", "utc": "1988-11-18T06:35:33Z", "ms": 595838133254.5402 } }, "kaala": "purvahna", "days": [ { "local_date": "1988-11-17", "window": { "start": { "local": "1988-11-17T07:15:07+08:00", "utc": "1988-11-16T23:15:07Z", "ms": 595725306867.3341 }, "end": { "local": "1988-11-17T10:49:52+08:00", "utc": "1988-11-17T02:49:52Z", "ms": 595738191594.1962 } }, "covered_min": 0, "window_min": 215, "qualifies": false }, { "local_date": "1988-11-18", "window": { "start": { "local": "1988-11-18T07:15:53+08:00", "utc": "1988-11-17T23:15:53Z", "ms": 595811753213.9122 }, "end": { "local": "1988-11-18T10:50:15+08:00", "utc": "1988-11-18T02:50:15Z", "ms": 595824615362.129 } }, "covered_min": 214, "window_min": 214, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:39 on Thu 17 Nov to 14:36 on Fri 18 Nov.", "fact": "1988-11-17T08:39:19Z → 1988-11-18T06:35:33Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:15–10:50 on the 17th, 07:16–10:50 on the 18th.", "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 215 minutes on the 17th and 214 of 214 on the 18th.", "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 13518 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Zunyi, 1988: Friday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-18", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Navamī (Amla Navami) 1988 falls on Friday 18 November. Navamī runs from 16:39 on Thu 17 Nov to 14:36 on Fri 18 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5647, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 }, "end": { "local": "1988-11-18T14:35:33+08:00", "utc": "1988-11-18T06:35:33Z", "ms": 595838133254.5402 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-17T16:39:19+08:00", "utc": "1988-11-17T08:39:19Z", "ms": 595759159334.2684 }, "end": { "local": "1988-11-18T14:35:33+08:00", "utc": "1988-11-18T06:35:33Z", "ms": 595838133254.5402 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-17", "window": { "start": { "local": "1988-11-17T12:13:14+08:00", "utc": "1988-11-17T04:13:14Z", "ms": 595743193957.6272 }, "end": { "local": "1988-11-17T13:01:14+08:00", "utc": "1988-11-17T05:01:14Z", "ms": 595746073957.6272 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-18", "window": { "start": { "local": "1988-11-18T12:13:26+08:00", "utc": "1988-11-18T04:13:26Z", "ms": 595829606436.2374 }, "end": { "local": "1988-11-18T13:01:26+08:00", "utc": "1988-11-18T05:01:26Z", "ms": 595832486436.2374 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:39 on Thu 17 Nov to 14:36 on Fri 18 Nov.", "fact": "1988-11-17T08:39:19Z → 1988-11-18T06:35:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 17th, 12:13–13:01 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5647 s" }, { "step": "ruling", "text": "Durgā Navamī, Zunyi, 1988: Friday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-18", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Navamī 1988 falls on Friday 18 November. Navamī runs from 16:39 on Thu 17 Nov to 14:36 on Fri 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-11-20", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9042, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-11-19T12:17:29+08:00", "utc": "1988-11-19T04:17:29Z", "ms": 595916249061.9357 }, "end": { "local": "1988-11-20T09:48:08+08:00", "utc": "1988-11-20T01:48:08Z", "ms": 595993688396.6533 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-19T12:17:29+08:00", "utc": "1988-11-19T04:17:29Z", "ms": 595916249061.9357 }, "end": { "local": "1988-11-20T09:48:08+08:00", "utc": "1988-11-20T01:48:08Z", "ms": 595993688396.6533 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-11-19", "window": { "start": { "local": "1988-11-19T07:16:40+08:00", "utc": "1988-11-18T23:16:40Z", "ms": 595898199657.852 }, "end": { "local": "1988-11-19T07:16:40+08:00", "utc": "1988-11-18T23:16:40Z", "ms": 595898199657.852 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-11-20", "window": { "start": { "local": "1988-11-20T07:17:26+08:00", "utc": "1988-11-19T23:17:26Z", "ms": 595984646173.4293 }, "end": { "local": "1988-11-20T07:17:26+08:00", "utc": "1988-11-19T23:17:26Z", "ms": 595984646173.4293 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:17 on Sat 19 Nov to 09:48 on Sun 20 Nov.", "fact": "1988-11-19T04:17:29Z → 1988-11-20T01:48:08Z" }, { "step": "kaala", "text": "Sunrise is at 07:17 on the 19th and 07:17 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9042 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Zunyi, 1988: Sunday 20 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": "1988-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-20", "confidence": "determinate" } ], "quote": "In Zunyi, Prabodhinī Ekādaśī 1988 falls on Sunday 20 November. Ekādaśī runs from 12:17 on Sat 19 Nov to 09:48 on Sun 20 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-11-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31852, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-11-21T07:12:09+08:00", "utc": "1988-11-20T23:12:09Z", "ms": 596070728821.584 }, "end": { "local": "1988-11-22T04:35:44+08:00", "utc": "1988-11-21T20:35:44Z", "ms": 596147743711.9122 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-21T07:12:09+08:00", "utc": "1988-11-20T23:12:09Z", "ms": 596070728821.584 }, "end": { "local": "1988-11-22T04:35:44+08:00", "utc": "1988-11-21T20:35:44Z", "ms": 596147743711.9122 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-11-20", "window": { "start": { "local": "1988-11-20T17:58:21+08:00", "utc": "1988-11-20T09:58:21Z", "ms": 596023101463.0588 }, "end": { "local": "1988-11-20T19:45:00+08:00", "utc": "1988-11-20T11:45:00Z", "ms": 596029500299.3707 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1988-11-21", "window": { "start": { "local": "1988-11-21T17:58:05+08:00", "utc": "1988-11-21T09:58:05Z", "ms": 596109484685.1792 }, "end": { "local": "1988-11-21T19:44:52+08:00", "utc": "1988-11-21T11:44:52Z", "ms": 596115891969.645 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:12 on Mon 21 Nov to 04:36 on Tue 22 Nov.", "fact": "1988-11-20T23:12:09Z → 1988-11-21T20:35:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:45 on the 20th, 17:58–19:45 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 20th and 107 of 107 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 31852 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Monday 21 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": "1988-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-21", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Monday 21 November. Trayodaśī runs from 07:12 on Mon 21 Nov to 04:36 on Tue 22 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-11-21", "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/1988/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36491, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-11-23T02:06:30+08:00", "utc": "1988-11-22T18:06:30Z", "ms": 596225189920.0297 }, "end": { "local": "1988-11-23T23:53:05+08:00", "utc": "1988-11-23T15:53:05Z", "ms": 596303584944.087 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-23T02:06:30+08:00", "utc": "1988-11-22T18:06:30Z", "ms": 596225189920.0297 }, "end": { "local": "1988-11-23T23:53:05+08:00", "utc": "1988-11-23T15:53:05Z", "ms": 596303584944.087 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-11-23", "window": { "start": { "local": "1988-11-23T12:14:41+08:00", "utc": "1988-11-23T04:14:41Z", "ms": 596261680867.3186 }, "end": { "local": "1988-11-23T13:02:41+08:00", "utc": "1988-11-23T05:02:41Z", "ms": 596264560867.3186 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-11-24", "window": { "start": { "local": "1988-11-24T12:14:58+08:00", "utc": "1988-11-24T04:14:58Z", "ms": 596348098119.0045 }, "end": { "local": "1988-11-24T13:02:58+08:00", "utc": "1988-11-24T05:02:58Z", "ms": 596350978119.0045 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:06 on Wed 23 Nov to 23:53 on Wed 23 Nov.", "fact": "1988-11-22T18:06:30Z → 1988-11-23T15:53:05Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36491 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Zunyi, 1988: Wednesday 23 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": "1988-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-23", "confidence": "determinate" } ], "quote": "In Zunyi, Kārtikī Pūrṇimā 1988 falls on Wednesday 23 November. Pūrṇimā runs from 02:06 on Wed 23 Nov to 23:53 on Wed 23 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1319, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-11-23T02:06:30+08:00", "utc": "1988-11-22T18:06:30Z", "ms": 596225189920.0297 }, "end": { "local": "1988-11-23T23:53:05+08:00", "utc": "1988-11-23T15:53:05Z", "ms": 596303584944.087 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1988-11-23T02:06:30+08:00", "utc": "1988-11-22T18:06:30Z", "ms": 596225189920.0297 }, "end": { "local": "1988-11-23T23:53:05+08:00", "utc": "1988-11-23T15:53:05Z", "ms": 596303584944.087 } }, "kaala": "nishita", "days": [ { "local_date": "1988-11-22", "window": { "start": { "local": "1988-11-23T00:14:48+08:00", "utc": "1988-11-22T16:14:48Z", "ms": 596218487684.9585 }, "end": { "local": "1988-11-23T01:02:48+08:00", "utc": "1988-11-22T17:02:48Z", "ms": 596221367684.9585 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-11-23", "window": { "start": { "local": "1988-11-24T00:15:04+08:00", "utc": "1988-11-23T16:15:04Z", "ms": 596304904141.6307 }, "end": { "local": "1988-11-24T01:03:04+08:00", "utc": "1988-11-23T17:03:04Z", "ms": 596307784141.6307 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:06 on Wed 23 Nov to 23:53 on Wed 23 Nov.", "fact": "1988-11-22T18:06:30Z → 1988-11-23T15:53:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 22nd, 00:15–01:03 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "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 1319 s" }, { "step": "ruling", "text": "Rāsayātrā, Zunyi, 1988: Wednesday 23 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": "1988-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-23", "confidence": "determinate" } ], "quote": "In Zunyi, Rāsayātrā 1988 falls on Wednesday 23 November. Pūrṇimā runs from 02:06 on Wed 23 Nov to 23:53 on Wed 23 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-11-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-11-26", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 2, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-11-26T20:16:09+08:00", "utc": "1988-11-26T12:16:09Z", "ms": 596549769471.2212 }, "end": { "local": "1988-11-27T20:28:51+08:00", "utc": "1988-11-27T12:28:51Z", "ms": 596636930911.2338 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-11-26T20:16:09+08:00", "utc": "1988-11-26T12:16:09Z", "ms": 596549769471.2212 }, "end": { "local": "1988-11-27T20:28:51+08:00", "utc": "1988-11-27T12:28:51Z", "ms": 596636930911.2338 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-11-26", "window": { "start": { "local": "1988-11-26T20:16:11+08:00", "utc": "1988-11-26T12:16:11Z", "ms": 596549770977.2396 }, "end": { "local": "1988-11-26T20:16:11+08:00", "utc": "1988-11-26T12:16:11Z", "ms": 596549770977.2396 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-11-27", "window": { "start": { "local": "1988-11-27T21:17:27+08:00", "utc": "1988-11-27T13:17:27Z", "ms": 596639846925.9534 }, "end": { "local": "1988-11-27T21:17:27+08:00", "utc": "1988-11-27T13:17:27Z", "ms": 596639846925.9534 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Sat 26 Nov to 20:29 on Sun 27 Nov.", "fact": "1988-11-26T12:16:09Z → 1988-11-27T12:28:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 26th and 21:17 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Saturday 26 November.", "fact": "confidence: boundary (margin)" } ], "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": "1988-11-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-11-26", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Saturday 26 November. Caturthī runs from 20:16 on Sat 26 Nov to 20:29 on Sun 27 Nov and is current at moonrise that day. It is 0 min 02 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/ekadashi?on=1988-12-05", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6947, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-12-04T09:23:56+08:00", "utc": "1988-12-04T01:23:56Z", "ms": 597201835932.3271 }, "end": { "local": "1988-12-05T11:28:08+08:00", "utc": "1988-12-05T03:28:08Z", "ms": 597295688140.9637 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-04T09:23:56+08:00", "utc": "1988-12-04T01:23:56Z", "ms": 597201835932.3271 }, "end": { "local": "1988-12-05T11:28:08+08:00", "utc": "1988-12-05T03:28:08Z", "ms": 597295688140.9637 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-12-04", "window": { "start": { "local": "1988-12-04T07:28:09+08:00", "utc": "1988-12-03T23:28:09Z", "ms": 597194889252.1073 }, "end": { "local": "1988-12-04T07:28:09+08:00", "utc": "1988-12-03T23:28:09Z", "ms": 597194889252.1073 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1988-12-05", "window": { "start": { "local": "1988-12-05T07:28:53+08:00", "utc": "1988-12-04T23:28:53Z", "ms": 597281333250.7539 }, "end": { "local": "1988-12-05T07:28:53+08:00", "utc": "1988-12-04T23:28:53Z", "ms": 597281333250.7539 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:24 on Sun 4 Dec to 11:28 on Mon 5 Dec.", "fact": "1988-12-04T01:23:56Z → 1988-12-05T03:28:08Z" }, { "step": "kaala", "text": "Sunrise is at 07:28 on the 4th and 07:29 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 6947 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Zunyi, 1988: Monday 5 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": "1988-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-05", "confidence": "determinate" } ], "quote": "In Zunyi, Utpannā Ekādaśī 1988 falls on Monday 5 December. Ekādaśī runs from 09:24 on Sun 4 Dec to 11:28 on Mon 5 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/pradosha-vrata?on=1988-12-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14998, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-12-06T12:57:12+08:00", "utc": "1988-12-06T04:57:12Z", "ms": 597387432016.2346 }, "end": { "local": "1988-12-07T13:47:16+08:00", "utc": "1988-12-07T05:47:16Z", "ms": 597476836300.9551 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-06T12:57:12+08:00", "utc": "1988-12-06T04:57:12Z", "ms": 597387432016.2346 }, "end": { "local": "1988-12-07T13:47:16+08:00", "utc": "1988-12-07T05:47:16Z", "ms": 597476836300.9551 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-12-06", "window": { "start": { "local": "1988-12-06T17:57:06+08:00", "utc": "1988-12-06T09:57:06Z", "ms": 597405425652.9493 }, "end": { "local": "1988-12-06T19:45:32+08:00", "utc": "1988-12-06T11:45:32Z", "ms": 597411931538.3541 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1988-12-07", "window": { "start": { "local": "1988-12-07T17:57:15+08:00", "utc": "1988-12-07T09:57:15Z", "ms": 597491834649.0586 }, "end": { "local": "1988-12-07T19:45:45+08:00", "utc": "1988-12-07T11:45:45Z", "ms": 597498344995.5817 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:57 on Tue 6 Dec to 13:47 on Wed 7 Dec.", "fact": "1988-12-06T04:57:12Z → 1988-12-07T05:47:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:46 on the 6th, 17:57–19:46 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 108 of 108 minutes on the 6th and 0 of 109 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 14998 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 1988: Tuesday 6 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": "1988-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-06", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 1988 falls on Tuesday 6 December. Trayodaśī runs from 12:57 on Tue 6 Dec to 13:47 on Wed 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-12-06", "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/1988/shivaratri?on=1988-12-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37299, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1988-12-07T13:47:16+08:00", "utc": "1988-12-07T05:47:16Z", "ms": 597476836300.9551 }, "end": { "local": "1988-12-08T13:58:56+08:00", "utc": "1988-12-08T05:58:56Z", "ms": 597563935972.5527 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-07T13:47:16+08:00", "utc": "1988-12-07T05:47:16Z", "ms": 597476836300.9551 }, "end": { "local": "1988-12-08T13:58:56+08:00", "utc": "1988-12-08T05:58:56Z", "ms": 597563935972.5527 } }, "kaala": "nishita", "days": [ { "local_date": "1988-12-07", "window": { "start": { "local": "1988-12-08T00:20:08+08:00", "utc": "1988-12-07T16:20:08Z", "ms": 597514808448.5203 }, "end": { "local": "1988-12-08T01:08:08+08:00", "utc": "1988-12-07T17:08:08Z", "ms": 597517688448.5203 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-08", "window": { "start": { "local": "1988-12-09T00:20:35+08:00", "utc": "1988-12-08T16:20:35Z", "ms": 597601234658.0444 }, "end": { "local": "1988-12-09T01:08:35+08:00", "utc": "1988-12-08T17:08:35Z", "ms": 597604114658.0444 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:47 on Wed 7 Dec to 13:59 on Thu 8 Dec.", "fact": "1988-12-07T05:47:16Z → 1988-12-08T05:58:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:20–01:08 on the 7th, 00:21–01:09 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37299 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 1988: Wednesday 7 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": "1988-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 1988 falls on Wednesday 7 December. Caturdaśī runs from 13:47 on Wed 7 Dec to 13:59 on Thu 8 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/1988/shivaratri?on=1988-12-07", "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/1988/vinayaka-chaturthi?on=1988-12-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8591, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-12-12T09:58:53+08:00", "utc": "1988-12-12T01:58:53Z", "ms": 597895133411.0588 }, "end": { "local": "1988-12-13T08:16:59+08:00", "utc": "1988-12-13T00:16:59Z", "ms": 597975418622.5353 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-12T09:58:53+08:00", "utc": "1988-12-12T01:58:53Z", "ms": 597895133411.0588 }, "end": { "local": "1988-12-13T08:16:59+08:00", "utc": "1988-12-13T00:16:59Z", "ms": 597975418622.5353 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-12", "window": { "start": { "local": "1988-12-12T12:22:04+08:00", "utc": "1988-12-12T04:22:04Z", "ms": 597903724195.5273 }, "end": { "local": "1988-12-12T13:10:04+08:00", "utc": "1988-12-12T05:10:04Z", "ms": 597906604195.5273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-13", "window": { "start": { "local": "1988-12-13T12:22:33+08:00", "utc": "1988-12-13T04:22:33Z", "ms": 597990152739.5751 }, "end": { "local": "1988-12-13T13:10:33+08:00", "utc": "1988-12-13T05:10:33Z", "ms": 597993032739.5751 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:59 on Mon 12 Dec to 08:17 on Tue 13 Dec.", "fact": "1988-12-12T01:58:53Z → 1988-12-13T00:16:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 12th, 12:23–13:11 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8591 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 1988: Monday 12 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": "1988-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-12", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 1988 falls on Monday 12 December. Caturthī runs from 09:59 on Mon 12 Dec to 08:17 on Tue 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/vinayaka-chaturthi?on=1988-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14734, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1988-12-13T08:16:59+08:00", "utc": "1988-12-13T00:16:59Z", "ms": 597975418622.5353 }, "end": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-13T08:16:59+08:00", "utc": "1988-12-13T00:16:59Z", "ms": 597975418622.5353 }, "end": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-13", "window": { "start": { "local": "1988-12-13T12:22:33+08:00", "utc": "1988-12-13T04:22:33Z", "ms": 597990152739.5751 }, "end": { "local": "1988-12-13T13:10:33+08:00", "utc": "1988-12-13T05:10:33Z", "ms": 597993032739.5751 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-14", "window": { "start": { "local": "1988-12-14T12:23:02+08:00", "utc": "1988-12-14T04:23:02Z", "ms": 598076581583.6674 }, "end": { "local": "1988-12-14T13:11:02+08:00", "utc": "1988-12-14T05:11:02Z", "ms": 598079461583.6674 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:17 on Tue 13 Dec to 06:28 on Wed 14 Dec.", "fact": "1988-12-13T00:16:59Z → 1988-12-13T22:28:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 13th, 12:23–13:11 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14734 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Zunyi, 1988: Tuesday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-13", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī (Mārgaśīrṣa) 1988 falls on Tuesday 13 December. Pañcamī runs from 08:17 on Tue 13 Dec to 06:28 on Wed 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21301, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 }, "end": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 }, "end": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-14", "window": { "start": { "local": "1988-12-14T12:23:02+08:00", "utc": "1988-12-14T04:23:02Z", "ms": 598076581583.6674 }, "end": { "local": "1988-12-14T13:11:02+08:00", "utc": "1988-12-14T05:11:02Z", "ms": 598079461583.6674 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-15", "window": { "start": { "local": "1988-12-15T12:23:31+08:00", "utc": "1988-12-15T04:23:31Z", "ms": 598163010692.48 }, "end": { "local": "1988-12-15T13:11:31+08:00", "utc": "1988-12-15T05:11:31Z", "ms": 598165890692.48 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:28 on Wed 14 Dec to 04:35 on Thu 15 Dec.", "fact": "1988-12-13T22:28:01Z → 1988-12-14T20:34:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 14th, 12:24–13:12 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21301 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Zunyi, 1988: Wednesday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-14", "confidence": "determinate" } ], "quote": "In Zunyi, Campā Ṣaṣṭhī 1988 falls on Wednesday 14 December. Ṣaṣṭhī runs from 06:28 on Wed 14 Dec to 04:35 on Thu 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21301, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 }, "end": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-14T06:28:01+08:00", "utc": "1988-12-13T22:28:01Z", "ms": 598055280727.7593 }, "end": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-14", "window": { "start": { "local": "1988-12-14T12:23:02+08:00", "utc": "1988-12-14T04:23:02Z", "ms": 598076581583.6674 }, "end": { "local": "1988-12-14T13:11:02+08:00", "utc": "1988-12-14T05:11:02Z", "ms": 598079461583.6674 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-15", "window": { "start": { "local": "1988-12-15T12:23:31+08:00", "utc": "1988-12-15T04:23:31Z", "ms": 598163010692.48 }, "end": { "local": "1988-12-15T13:11:31+08:00", "utc": "1988-12-15T05:11:31Z", "ms": 598165890692.48 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:28 on Wed 14 Dec to 04:35 on Thu 15 Dec.", "fact": "1988-12-13T22:28:01Z → 1988-12-14T20:34:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 14th, 12:24–13:12 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21301 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Zunyi, 1988: Wednesday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-14", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī 1988 falls on Wednesday 14 December. Ṣaṣṭhī runs from 06:28 on Wed 14 Dec to 04:35 on Thu 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28125, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 }, "end": { "local": "1988-12-16T02:38:53+08:00", "utc": "1988-12-15T18:38:53Z", "ms": 598214333357.3328 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-15T04:34:45+08:00", "utc": "1988-12-14T20:34:45Z", "ms": 598134885397.2068 }, "end": { "local": "1988-12-16T02:38:53+08:00", "utc": "1988-12-15T18:38:53Z", "ms": 598214333357.3328 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-15", "window": { "start": { "local": "1988-12-15T12:23:31+08:00", "utc": "1988-12-15T04:23:31Z", "ms": 598163010692.48 }, "end": { "local": "1988-12-15T13:11:31+08:00", "utc": "1988-12-15T05:11:31Z", "ms": 598165890692.48 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1988-12-16", "window": { "start": { "local": "1988-12-16T12:24:00+08:00", "utc": "1988-12-16T04:24:00Z", "ms": 598249440031.4169 }, "end": { "local": "1988-12-16T13:12:00+08:00", "utc": "1988-12-16T05:12:00Z", "ms": 598252320031.4169 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:35 on Thu 15 Dec to 02:39 on Fri 16 Dec.", "fact": "1988-12-14T20:34:45Z → 1988-12-15T18:38:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 15th, 12:24–13:12 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28125 s" }, { "step": "ruling", "text": "Mitra Saptamī, Zunyi, 1988: Thursday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-15", "confidence": "determinate" } ], "quote": "In Zunyi, Mitra Saptamī 1988 falls on Thursday 15 December. Saptamī runs from 04:35 on Thu 15 Dec to 02:39 on Fri 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/ekadashi?on=1988-12-19", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39094, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1988-12-18T20:46:25+08:00", "utc": "1988-12-18T12:46:25Z", "ms": 598452384693.0901 }, "end": { "local": "1988-12-19T18:52:55+08:00", "utc": "1988-12-19T10:52:55Z", "ms": 598531975371.1796 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-18T20:46:25+08:00", "utc": "1988-12-18T12:46:25Z", "ms": 598452384693.0901 }, "end": { "local": "1988-12-19T18:52:55+08:00", "utc": "1988-12-19T10:52:55Z", "ms": 598531975371.1796 } }, "kaala": "sunrise", "days": [ { "local_date": "1988-12-19", "window": { "start": { "local": "1988-12-19T07:37:59+08:00", "utc": "1988-12-18T23:37:59Z", "ms": 598491479098.9166 }, "end": { "local": "1988-12-19T07:37:59+08:00", "utc": "1988-12-18T23:37:59Z", "ms": 598491479098.9166 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-12-20", "window": { "start": { "local": "1988-12-20T07:38:31+08:00", "utc": "1988-12-19T23:38:31Z", "ms": 598577911312.1873 }, "end": { "local": "1988-12-20T07:38:31+08:00", "utc": "1988-12-19T23:38:31Z", "ms": 598577911312.1873 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:46 on Sun 18 Dec to 18:53 on Mon 19 Dec.", "fact": "1988-12-18T12:46:25Z → 1988-12-19T10:52:55Z" }, { "step": "kaala", "text": "Sunrise is at 07:38 on the 19th and 07:39 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 39094 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Zunyi, 1988: Monday 19 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": "1988-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-19", "confidence": "determinate" } ], "quote": "In Zunyi, Mokṣadā Ekādaśī 1988 falls on Monday 19 December. Ekādaśī runs from 20:46 on Sun 18 Dec to 18:53 on Mon 19 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/ekadashi?on=1988-12-19", "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/1988/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13971, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1988-12-19T18:52:55+08:00", "utc": "1988-12-19T10:52:55Z", "ms": 598531975371.1796 }, "end": { "local": "1988-12-20T17:06:50+08:00", "utc": "1988-12-20T09:06:50Z", "ms": 598612009997.7148 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-19T18:52:55+08:00", "utc": "1988-12-19T10:52:55Z", "ms": 598531975371.1796 }, "end": { "local": "1988-12-20T17:06:50+08:00", "utc": "1988-12-20T09:06:50Z", "ms": 598612009997.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "1988-12-19", "window": { "start": { "local": "1988-12-19T12:25:29+08:00", "utc": "1988-12-19T04:25:29Z", "ms": 598508729096.586 }, "end": { "local": "1988-12-19T13:13:29+08:00", "utc": "1988-12-19T05:13:29Z", "ms": 598511609096.586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1988-12-20", "window": { "start": { "local": "1988-12-20T12:25:59+08:00", "utc": "1988-12-20T04:25:59Z", "ms": 598595159028.1147 }, "end": { "local": "1988-12-20T13:13:59+08:00", "utc": "1988-12-20T05:13:59Z", "ms": 598598039028.1147 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:53 on Mon 19 Dec to 17:07 on Tue 20 Dec.", "fact": "1988-12-19T10:52:55Z → 1988-12-20T09:06:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 19th, 12:26–13:14 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13971 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Zunyi, 1988: Tuesday 20 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": "1988-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-20", "confidence": "determinate" } ], "quote": "In Zunyi, Akhaṇḍa Dvādaśī 1988 falls on Tuesday 20 December. Dvādaśī runs from 18:53 on Mon 19 Dec to 17:07 on Tue 20 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/pradosha-vrata?on=1988-12-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3277, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1988-12-20T17:06:50+08:00", "utc": "1988-12-20T09:06:50Z", "ms": 598612009997.7148 }, "end": { "local": "1988-12-21T15:33:17+08:00", "utc": "1988-12-21T07:33:17Z", "ms": 598692796684.4545 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-20T17:06:50+08:00", "utc": "1988-12-20T09:06:50Z", "ms": 598612009997.7148 }, "end": { "local": "1988-12-21T15:33:17+08:00", "utc": "1988-12-21T07:33:17Z", "ms": 598692796684.4545 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-12-20", "window": { "start": { "local": "1988-12-20T18:01:27+08:00", "utc": "1988-12-20T10:01:27Z", "ms": 598615286744.0421 }, "end": { "local": "1988-12-20T19:50:28+08:00", "utc": "1988-12-20T11:50:28Z", "ms": 598621827500.5264 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1988-12-21", "window": { "start": { "local": "1988-12-21T18:01:56+08:00", "utc": "1988-12-21T10:01:56Z", "ms": 598701715642.1368 }, "end": { "local": "1988-12-21T19:50:57+08:00", "utc": "1988-12-21T11:50:57Z", "ms": 598708256541.1038 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:07 on Tue 20 Dec to 15:33 on Wed 21 Dec.", "fact": "1988-12-20T09:06:50Z → 1988-12-21T07:33:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:50 on the 20th, 18:02–19:51 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 109 of 109 minutes on the 20th and 0 of 109 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 3277 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 1988: Tuesday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-20", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 1988 falls on Tuesday 20 December. Trayodaśī runs from 17:07 on Tue 20 Dec to 15:33 on Wed 21 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/pradosha-vrata?on=1988-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/1988/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13441, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1988-12-22T14:18:25+08:00", "utc": "1988-12-22T06:18:25Z", "ms": 598774704765.2668 }, "end": { "local": "1988-12-23T13:28:54+08:00", "utc": "1988-12-23T05:28:54Z", "ms": 598858134277.4243 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-22T14:18:25+08:00", "utc": "1988-12-22T06:18:25Z", "ms": 598774704765.2668 }, "end": { "local": "1988-12-23T13:28:54+08:00", "utc": "1988-12-23T05:28:54Z", "ms": 598858134277.4243 } }, "kaala": "pradosha", "days": [ { "local_date": "1988-12-22", "window": { "start": { "local": "1988-12-22T18:02:26+08:00", "utc": "1988-12-22T10:02:26Z", "ms": 598788145759.3987 }, "end": { "local": "1988-12-22T19:51:26+08:00", "utc": "1988-12-22T11:51:26Z", "ms": 598794686482.4529 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1988-12-23", "window": { "start": { "local": "1988-12-23T18:02:57+08:00", "utc": "1988-12-23T10:02:57Z", "ms": 598874577066.06 }, "end": { "local": "1988-12-23T19:51:57+08:00", "utc": "1988-12-23T11:51:57Z", "ms": 598881117294.8688 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:18 on Thu 22 Dec to 13:29 on Fri 23 Dec.", "fact": "1988-12-22T06:18:25Z → 1988-12-23T05:28:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:51 on the 22nd, 18:03–19:52 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 109 of 109 minutes on the 22nd and 0 of 109 on the 23rd.", "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 13441 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Zunyi, 1988: Thursday 22 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-22", "confidence": "determinate" } ], "quote": "In Zunyi, Dattātreyotpatti (Datta Jayanti) 1988 falls on Thursday 22 December. Pūrṇimā runs from 14:18 on Thu 22 Dec to 13:29 on Fri 23 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/1988/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/1988/sankashta-chaturthi?on=1988-12-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 1988, "local_date": "1988-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20997, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1988-12-26T14:29:30+08:00", "utc": "1988-12-26T06:29:30Z", "ms": 599120970092.4194 }, "end": { "local": "1988-12-27T16:07:30+08:00", "utc": "1988-12-27T08:07:30Z", "ms": 599213249624.4934 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1988-12-26T14:29:30+08:00", "utc": "1988-12-26T06:29:30Z", "ms": 599120970092.4194 }, "end": { "local": "1988-12-27T16:07:30+08:00", "utc": "1988-12-27T08:07:30Z", "ms": 599213249624.4934 } }, "kaala": "moonrise", "days": [ { "local_date": "1988-12-26", "window": { "start": { "local": "1988-12-26T21:01:30+08:00", "utc": "1988-12-26T13:01:30Z", "ms": 599144489751.298 }, "end": { "local": "1988-12-26T21:01:30+08:00", "utc": "1988-12-26T13:01:30Z", "ms": 599144489751.298 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1988-12-27", "window": { "start": { "local": "1988-12-27T21:57:27+08:00", "utc": "1988-12-27T13:57:27Z", "ms": 599234246531.4075 }, "end": { "local": "1988-12-27T21:57:27+08:00", "utc": "1988-12-27T13:57:27Z", "ms": 599234246531.4075 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:30 on Mon 26 Dec to 16:07 on Tue 27 Dec.", "fact": "1988-12-26T06:29:30Z → 1988-12-27T08:07:30Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 26th and 21:57 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20997 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 1988: Monday 26 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1988-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1988-12-26", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 1988 falls on Monday 26 December. Caturthī runs from 14:30 on Mon 26 Dec to 16:07 on Tue 27 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/1988/sankashta-chaturthi?on=1988-12-26", "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" } }