{ "id": "/zunyi/festivals/2090", "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": 2090, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-01-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1108, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-01-04T10:11:17+08:00", "utc": "2090-01-04T02:11:17Z", "ms": 3787179076847.7676 }, "end": { "local": "2090-01-05T12:52:31+08:00", "utc": "2090-01-05T04:52:31Z", "ms": 3787275151485.4824 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-01-04T10:11:17+08:00", "utc": "2090-01-04T02:11:17Z", "ms": 3787179076847.7676 }, "end": { "local": "2090-01-05T12:52:31+08:00", "utc": "2090-01-05T04:52:31Z", "ms": 3787275151485.4824 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-01-04", "window": { "start": { "local": "2090-01-04T12:33:37+08:00", "utc": "2090-01-04T04:33:37Z", "ms": 3787187616859.367 }, "end": { "local": "2090-01-04T13:21:37+08:00", "utc": "2090-01-04T05:21:37Z", "ms": 3787190496859.367 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-01-05", "window": { "start": { "local": "2090-01-05T12:34:04+08:00", "utc": "2090-01-05T04:34:04Z", "ms": 3787274043959.4727 }, "end": { "local": "2090-01-05T13:22:04+08:00", "utc": "2090-01-05T05:22:04Z", "ms": 3787276923959.4727 } }, "covered_min": 18, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:11 on Wed 4 Jan to 12:53 on Thu 5 Jan.", "fact": "2090-01-04T02:11:17Z → 2090-01-05T04:52:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 4th, 12:34–13:22 on the 5th.", "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 4th and 18 of 48 on the 5th.", "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 1108 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Wednesday 4 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-01-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-04", "confidence": "boundary" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Wednesday 4 January. Caturthī runs from 10:11 on Wed 4 Jan to 12:53 on Thu 5 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 18 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/2090/vinayaka-chaturthi?on=2090-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/ekadashi?on=2090-01-12", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32053, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-01-11T22:50:40+08:00", "utc": "2090-01-11T14:50:40Z", "ms": 3787829439925.2427 }, "end": { "local": "2090-01-12T21:52:26+08:00", "utc": "2090-01-12T13:52:26Z", "ms": 3787912345855.01 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-01-11T22:50:40+08:00", "utc": "2090-01-11T14:50:40Z", "ms": 3787829439925.2427 }, "end": { "local": "2090-01-12T21:52:26+08:00", "utc": "2090-01-12T13:52:26Z", "ms": 3787912345855.01 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-01-12", "window": { "start": { "local": "2090-01-12T07:44:53+08:00", "utc": "2090-01-11T23:44:53Z", "ms": 3787861492806.867 }, "end": { "local": "2090-01-12T07:44:53+08:00", "utc": "2090-01-11T23:44:53Z", "ms": 3787861492806.867 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-01-13", "window": { "start": { "local": "2090-01-13T07:44:51+08:00", "utc": "2090-01-12T23:44:51Z", "ms": 3787947890712.625 }, "end": { "local": "2090-01-13T07:44:51+08:00", "utc": "2090-01-12T23:44:51Z", "ms": 3787947890712.625 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:51 on Wed 11 Jan to 21:52 on Thu 12 Jan.", "fact": "2090-01-11T14:50:40Z → 2090-01-12T13:52:26Z" }, { "step": "kaala", "text": "Sunrise is at 07:45 on the 12th and 07:45 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32053 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2090: Thursday 12 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": "2090-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-12", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2090 falls on Thursday 12 January. Ekādaśī runs from 22:51 on Wed 11 Jan to 21:52 on Thu 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-01-12", "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/2090/pradosha-vrata?on=2090-01-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-13", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 72, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-01-13T20:04:16+08:00", "utc": "2090-01-13T12:04:16Z", "ms": 3787992255960.5464 }, "end": { "local": "2090-01-14T17:33:34+08:00", "utc": "2090-01-14T09:33:34Z", "ms": 3788069613913.6934 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-01-13T20:04:16+08:00", "utc": "2090-01-13T12:04:16Z", "ms": 3787992255960.5464 }, "end": { "local": "2090-01-14T17:33:34+08:00", "utc": "2090-01-14T09:33:34Z", "ms": 3788069613913.6934 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-01-13", "window": { "start": { "local": "2090-01-13T18:17:53+08:00", "utc": "2090-01-13T10:17:53Z", "ms": 3787985872945.294 }, "end": { "local": "2090-01-13T20:05:28+08:00", "utc": "2090-01-13T12:05:28Z", "ms": 3787992328156.569 } }, "covered_min": 1, "window_min": 108, "qualifies": true }, { "local_date": "2090-01-14", "window": { "start": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 }, "end": { "local": "2090-01-14T20:06:09+08:00", "utc": "2090-01-14T12:06:09Z", "ms": 3788078768787.1797 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:04 on Fri 13 Jan to 17:34 on Sat 14 Jan.", "fact": "2090-01-13T12:04:16Z → 2090-01-14T09:33:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–20:05 on the 13th, 18:19–20:06 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 1 of 108 minutes on the 13th and 0 of 107 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 72 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Friday 13 January.", "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": "2090-01-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-13", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Friday 13 January. Trayodaśī runs from 20:04 on Fri 13 Jan to 17:34 on Sat 14 Jan and covers 1 of 108 minutes of pradoṣa that evening. It is 1 min 12 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32878, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-02-13T16:27:37+08:00", "utc": "2090-02-13T08:27:37Z", "ms": 3790657656862.484 } }, "span": { "of": "transit", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 } }, "kaala": "sunset-day", "days": [ { "local_date": "2090-01-14", "window": { "start": { "local": "2090-01-13T18:17:53+08:00", "utc": "2090-01-13T10:17:53Z", "ms": 3787985872945.294 }, "end": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2090-01-15", "window": { "start": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 }, "end": { "local": "2090-01-15T18:19:29+08:00", "utc": "2090-01-15T10:19:29Z", "ms": 3788158768574.2153 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2090-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:27 on Sun 15 Jan.", "fact": "2090-01-14T19:26:38Z · 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 18:19, and the day of the 15th ends at 18:19.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 32878 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Sunday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Zunyi, 2090: Saturday 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": "2090-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2090-01-14", "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": "2090-01-13", "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 2090 falls on Saturday 14 January. It is kept the day before Pongal, which falls on Sunday 15 January. The Sun enters Makara at 03:27 on Sun 15 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 sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32878, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-02-13T16:27:37+08:00", "utc": "2090-02-13T08:27:37Z", "ms": 3790657656862.484 } }, "span": { "of": "transit", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 } }, "kaala": "sunset-day", "days": [ { "local_date": "2090-01-14", "window": { "start": { "local": "2090-01-13T18:17:53+08:00", "utc": "2090-01-13T10:17:53Z", "ms": 3787985872945.294 }, "end": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2090-01-15", "window": { "start": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 }, "end": { "local": "2090-01-15T18:19:29+08:00", "utc": "2090-01-15T10:19:29Z", "ms": 3788158768574.2153 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:27 on Sun 15 Jan.", "fact": "2090-01-14T19:26:38Z · 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 18:19, and the day of the 15th ends at 18:19.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 32878 s" }, { "step": "ruling", "text": "Pongal, Zunyi, 2090: Sunday 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": "2090-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2090-01-15", "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": "2090-01-14", "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 2090 falls on Sunday 15 January. The Sun enters Makara at 03:27 on Sun 15 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 sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12398, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-02-13T16:27:37+08:00", "utc": "2090-02-13T08:27:37Z", "ms": 3790657656862.484 } }, "span": { "of": "transit", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 } }, "kaala": "civil-day", "days": [ { "local_date": "2090-01-14", "window": { "start": { "local": "2090-01-14T00:00:00+08:00", "utc": "2090-01-13T16:00:00Z", "ms": 3788006400000 }, "end": { "local": "2090-01-15T00:00:00+08:00", "utc": "2090-01-14T16:00:00Z", "ms": 3788092800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2090-01-15", "window": { "start": { "local": "2090-01-15T00:00:00+08:00", "utc": "2090-01-14T16:00:00Z", "ms": 3788092800000 }, "end": { "local": "2090-01-16T00:00:00+08:00", "utc": "2090-01-15T16:00:00Z", "ms": 3788179200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:27 on Sun 15 Jan.", "fact": "2090-01-14T19:26:38Z · 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 15th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 12398 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Zunyi, 2090: Sunday 15 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": "2090-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2090-01-14", "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": "2090-01-15", "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 2090 falls on Sunday 15 January. The Sun enters Makara at 03:27 on Sun 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32878, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-02-13T16:27:37+08:00", "utc": "2090-02-13T08:27:37Z", "ms": 3790657656862.484 } }, "span": { "of": "transit", "start": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 }, "end": { "local": "2090-01-15T03:26:38+08:00", "utc": "2090-01-14T19:26:38Z", "ms": 3788105198228.818 } }, "kaala": "sunset-day", "days": [ { "local_date": "2090-01-14", "window": { "start": { "local": "2090-01-13T18:17:53+08:00", "utc": "2090-01-13T10:17:53Z", "ms": 3787985872945.294 }, "end": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "2090-01-15", "window": { "start": { "local": "2090-01-14T18:18:41+08:00", "utc": "2090-01-14T10:18:41Z", "ms": 3788072320637.2314 }, "end": { "local": "2090-01-15T18:19:29+08:00", "utc": "2090-01-15T10:19:29Z", "ms": 3788158768574.2153 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2090-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:27 on Sun 15 Jan.", "fact": "2090-01-14T19:26:38Z · 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 18:19, and the day of the 15th ends at 18:19.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 32878 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Sunday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Zunyi, 2090: Monday 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": "2090-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2090-01-16", "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": "2090-01-15", "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 2090 falls on Monday 16 January. It is kept the day after Pongal, which falls on Sunday 15 January. The Sun enters Makara at 03:27 on Sun 15 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 sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-01-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-18", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2661, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-01-19T00:26:19+08:00", "utc": "2090-01-18T16:26:19Z", "ms": 3788439978697.7075 }, "end": { "local": "2090-01-19T21:20:45+08:00", "utc": "2090-01-19T13:20:45Z", "ms": 3788515245126.2495 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-01-19T00:26:19+08:00", "utc": "2090-01-18T16:26:19Z", "ms": 3788439978697.7075 }, "end": { "local": "2090-01-19T21:20:45+08:00", "utc": "2090-01-19T13:20:45Z", "ms": 3788515245126.2495 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-01-18", "window": { "start": { "local": "2090-01-18T20:59:51+08:00", "utc": "2090-01-18T12:59:51Z", "ms": 3788427591361.465 }, "end": { "local": "2090-01-18T20:59:51+08:00", "utc": "2090-01-18T12:59:51Z", "ms": 3788427591361.465 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-01-19", "window": { "start": { "local": "2090-01-19T22:05:06+08:00", "utc": "2090-01-19T14:05:06Z", "ms": 3788517906345.21 }, "end": { "local": "2090-01-19T22:05:06+08:00", "utc": "2090-01-19T14:05:06Z", "ms": 3788517906345.21 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:26 on Thu 19 Jan to 21:21 on Thu 19 Jan.", "fact": "2090-01-18T16:26:19Z → 2090-01-19T13:20:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:00 on the 18th and 22:05 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is not on the 19th.", "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 2661 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Wednesday 18 January.", "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": "2090-01-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-18", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Wednesday 18 January. Caturthī runs from 00:26 on Thu 19 Jan to 21:21 on Thu 19 Jan, and is current at moonrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-01-18", "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/2090/ekadashi?on=2090-01-26", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24265, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-01-25T14:26:49+08:00", "utc": "2090-01-25T06:26:49Z", "ms": 3789008808548.155 }, "end": { "local": "2090-01-26T15:17:47+08:00", "utc": "2090-01-26T07:17:47Z", "ms": 3789098266683.681 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-01-25T14:26:49+08:00", "utc": "2090-01-25T06:26:49Z", "ms": 3789008808548.155 }, "end": { "local": "2090-01-26T15:17:47+08:00", "utc": "2090-01-26T07:17:47Z", "ms": 3789098266683.681 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-01-25", "window": { "start": { "local": "2090-01-25T07:42:24+08:00", "utc": "2090-01-24T23:42:24Z", "ms": 3788984543731.7935 }, "end": { "local": "2090-01-25T07:42:24+08:00", "utc": "2090-01-24T23:42:24Z", "ms": 3788984543731.7935 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-01-26", "window": { "start": { "local": "2090-01-26T07:42:02+08:00", "utc": "2090-01-25T23:42:02Z", "ms": 3789070921628.268 }, "end": { "local": "2090-01-26T07:42:02+08:00", "utc": "2090-01-25T23:42:02Z", "ms": 3789070921628.268 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:27 on Wed 25 Jan to 15:18 on Thu 26 Jan.", "fact": "2090-01-25T06:26:49Z → 2090-01-26T07:17:47Z" }, { "step": "kaala", "text": "Sunrise is at 07:42 on the 25th and 07:42 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 24265 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Zunyi, 2090: Thursday 26 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": "2090-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-26", "confidence": "determinate" } ], "quote": "In Zunyi, Ṣaṭtilā Ekādaśī 2090 falls on Thursday 26 January. Ekādaśī runs from 14:27 on Wed 25 Jan to 15:18 on Thu 26 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-01-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-01-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 824, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-01-27T16:35:25+08:00", "utc": "2090-01-27T08:35:25Z", "ms": 3789189324996.854 }, "end": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-01-27T16:35:25+08:00", "utc": "2090-01-27T08:35:25Z", "ms": 3789189324996.854 }, "end": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-01-27", "window": { "start": { "local": "2090-01-27T18:29:12+08:00", "utc": "2090-01-27T10:29:12Z", "ms": 3789196151857.031 }, "end": { "local": "2090-01-27T20:14:48+08:00", "utc": "2090-01-27T12:14:48Z", "ms": 3789202488015.7725 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2090-01-28", "window": { "start": { "local": "2090-01-28T18:30:00+08:00", "utc": "2090-01-28T10:30:00Z", "ms": 3789282600222.273 }, "end": { "local": "2090-01-28T20:15:26+08:00", "utc": "2090-01-28T12:15:26Z", "ms": 3789288926405.5864 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:35 on Fri 27 Jan to 18:16 on Sat 28 Jan.", "fact": "2090-01-27T08:35:25Z → 2090-01-28T10:16:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:15 on the 27th, 18:30–20:15 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 106 of 106 minutes on the 27th and 0 of 105 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 824 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Friday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-27", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Friday 27 January. Trayodaśī runs from 16:35 on Fri 27 Jan to 18:16 on Sat 28 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-01-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15852, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 }, "end": { "local": "2090-01-29T20:17:22+08:00", "utc": "2090-01-29T12:17:22Z", "ms": 3789375441600.981 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 }, "end": { "local": "2090-01-29T20:17:22+08:00", "utc": "2090-01-29T12:17:22Z", "ms": 3789375441600.981 } }, "kaala": "nishita", "days": [ { "local_date": "2090-01-28", "window": { "start": { "local": "2090-01-29T00:41:23+08:00", "utc": "2090-01-28T16:41:23Z", "ms": 3789304883409.699 }, "end": { "local": "2090-01-29T01:29:23+08:00", "utc": "2090-01-28T17:29:23Z", "ms": 3789307763409.699 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-01-29", "window": { "start": { "local": "2090-01-30T00:41:34+08:00", "utc": "2090-01-29T16:41:34Z", "ms": 3789391293569.2964 }, "end": { "local": "2090-01-30T01:29:34+08:00", "utc": "2090-01-29T17:29:34Z", "ms": 3789394173569.2964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:16 on Sat 28 Jan to 20:17 on Sun 29 Jan.", "fact": "2090-01-28T10:16:17Z → 2090-01-29T12:17:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:41–01:29 on the 28th, 00:42–01:30 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15852 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Saturday 28 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": "2090-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-28", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Saturday 28 January. Caturdaśī runs from 18:16 on Sat 28 Jan to 20:17 on Sun 29 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-01-28", "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/2090/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34661, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 }, "end": { "local": "2090-01-29T20:17:22+08:00", "utc": "2090-01-29T12:17:22Z", "ms": 3789375441600.981 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-01-28T18:16:17+08:00", "utc": "2090-01-28T10:16:17Z", "ms": 3789281776717.9717 }, "end": { "local": "2090-01-29T20:17:22+08:00", "utc": "2090-01-29T12:17:22Z", "ms": 3789375441600.981 } }, "kaala": "arunodaya", "days": [ { "local_date": "2090-01-29", "window": { "start": { "local": "2090-01-29T05:55:20+08:00", "utc": "2090-01-28T21:55:20Z", "ms": 3789323720413.8115 }, "end": { "local": "2090-01-29T07:40:47+08:00", "utc": "2090-01-28T23:40:47Z", "ms": 3789330046597.125 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2090-01-30", "window": { "start": { "local": "2090-01-30T05:55:03+08:00", "utc": "2090-01-29T21:55:03Z", "ms": 3789410102683.8086 }, "end": { "local": "2090-01-30T07:40:19+08:00", "utc": "2090-01-29T23:40:19Z", "ms": 3789416418725.4497 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:16 on Sat 28 Jan to 20:17 on Sun 29 Jan.", "fact": "2090-01-28T10:16:17Z → 2090-01-29T12:17:22Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:55–07:41 on the 29th, 05:55–07:40 on the 30th.", "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 29th and 0 of 105 on the 30th.", "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 34661 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Zunyi, 2090: Sunday 29 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": "2090-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-01-29", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Tarpaṇa 2090 falls on Sunday 29 January. Caturdaśī runs from 18:16 on Sat 28 Jan to 20:17 on Sun 29 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12669, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-02-03T06:33:52+08:00", "utc": "2090-02-02T22:33:52Z", "ms": 3789758031872.2314 }, "end": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-03T06:33:52+08:00", "utc": "2090-02-02T22:33:52Z", "ms": 3789758031872.2314 }, "end": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-02-03", "window": { "start": { "local": "2090-02-03T12:42:30+08:00", "utc": "2090-02-03T04:42:30Z", "ms": 3789780149607.5938 }, "end": { "local": "2090-02-03T13:30:30+08:00", "utc": "2090-02-03T05:30:30Z", "ms": 3789783029607.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-02-04", "window": { "start": { "local": "2090-02-04T12:42:36+08:00", "utc": "2090-02-04T04:42:36Z", "ms": 3789866555559.381 }, "end": { "local": "2090-02-04T13:30:36+08:00", "utc": "2090-02-04T05:30:36Z", "ms": 3789869435559.381 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:34 on Fri 3 Feb to 09:11 on Sat 4 Feb.", "fact": "2090-02-02T22:33:52Z → 2090-02-04T01:11:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 3rd, 12:43–13:31 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12669 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Zunyi, 2090: Friday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-03", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2090 falls on Friday 3 February. Caturthī runs from 06:34 on Fri 3 Feb to 09:11 on Sat 4 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33846, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-02-03T06:33:52+08:00", "utc": "2090-02-02T22:33:52Z", "ms": 3789758031872.2314 }, "end": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-03T06:33:52+08:00", "utc": "2090-02-02T22:33:52Z", "ms": 3789758031872.2314 }, "end": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-02-03", "window": { "start": { "local": "2090-02-03T18:34:46+08:00", "utc": "2090-02-03T10:34:46Z", "ms": 3789801285874.356 }, "end": { "local": "2090-02-03T20:19:09+08:00", "utc": "2090-02-03T12:19:09Z", "ms": 3789807548905.284 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2090-02-04", "window": { "start": { "local": "2090-02-04T18:35:33+08:00", "utc": "2090-02-04T10:35:33Z", "ms": 3789887732512.445 }, "end": { "local": "2090-02-04T20:19:45+08:00", "utc": "2090-02-04T12:19:45Z", "ms": 3789893984517.9995 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:34 on Fri 3 Feb to 09:11 on Sat 4 Feb.", "fact": "2090-02-02T22:33:52Z → 2090-02-04T01:11:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:19 on the 3rd, 18:36–20:20 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 104 of 104 minutes on the 3rd and 0 of 104 on the 4th.", "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 33846 s" }, { "step": "ruling", "text": "Tila Caturthī, Zunyi, 2090: Friday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-03", "confidence": "determinate" } ], "quote": "In Zunyi, Tila Caturthī 2090 falls on Friday 3 February. Caturthī runs from 06:34 on Fri 3 Feb to 09:11 on Sat 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4262, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "end": { "local": "2090-02-05T11:31:38+08:00", "utc": "2090-02-05T03:31:38Z", "ms": 3789948698200.342 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "end": { "local": "2090-02-05T11:31:38+08:00", "utc": "2090-02-05T03:31:38Z", "ms": 3789948698200.342 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-02-04", "window": { "start": { "local": "2090-02-04T12:42:36+08:00", "utc": "2090-02-04T04:42:36Z", "ms": 3789866555559.381 }, "end": { "local": "2090-02-04T13:30:36+08:00", "utc": "2090-02-04T05:30:36Z", "ms": 3789869435559.381 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-02-05", "window": { "start": { "local": "2090-02-05T12:42:41+08:00", "utc": "2090-02-05T04:42:41Z", "ms": 3789952960687.5986 }, "end": { "local": "2090-02-05T13:30:41+08:00", "utc": "2090-02-05T05:30:41Z", "ms": 3789955840687.5986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb.", "fact": "2090-02-04T01:11:26Z → 2090-02-05T03:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 4th, 12:43–13:31 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 4262 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Zunyi, 2090: Saturday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Pañcamī 2090 falls on Saturday 4 February. Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4262, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "end": { "local": "2090-02-05T11:31:38+08:00", "utc": "2090-02-05T03:31:38Z", "ms": 3789948698200.342 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-04T09:11:26+08:00", "utc": "2090-02-04T01:11:26Z", "ms": 3789853886079.0044 }, "end": { "local": "2090-02-05T11:31:38+08:00", "utc": "2090-02-05T03:31:38Z", "ms": 3789948698200.342 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-02-04", "window": { "start": { "local": "2090-02-04T12:42:36+08:00", "utc": "2090-02-04T04:42:36Z", "ms": 3789866555559.381 }, "end": { "local": "2090-02-04T13:30:36+08:00", "utc": "2090-02-04T05:30:36Z", "ms": 3789869435559.381 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-02-05", "window": { "start": { "local": "2090-02-05T12:42:41+08:00", "utc": "2090-02-05T04:42:41Z", "ms": 3789952960687.5986 }, "end": { "local": "2090-02-05T13:30:41+08:00", "utc": "2090-02-05T05:30:41Z", "ms": 3789955840687.5986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb.", "fact": "2090-02-04T01:11:26Z → 2090-02-05T03:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 4th, 12:43–13:31 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 4262 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Zunyi, 2090: Saturday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-04", "confidence": "determinate" } ], "quote": "In Zunyi, Vasanta Pañcamī 2090 falls on Saturday 4 February. Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20793, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-02-06T13:22:58+08:00", "utc": "2090-02-06T05:22:58Z", "ms": 3790041777798.643 }, "end": { "local": "2090-02-07T14:34:55+08:00", "utc": "2090-02-07T06:34:55Z", "ms": 3790132494757.1255 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-06T13:22:58+08:00", "utc": "2090-02-06T05:22:58Z", "ms": 3790041777798.643 }, "end": { "local": "2090-02-07T14:34:55+08:00", "utc": "2090-02-07T06:34:55Z", "ms": 3790132494757.1255 } }, "kaala": "arunodaya", "days": [ { "local_date": "2090-02-06", "window": { "start": { "local": "2090-02-06T05:52:24+08:00", "utc": "2090-02-05T21:52:24Z", "ms": 3790014744353.5327 }, "end": { "local": "2090-02-06T07:36:25+08:00", "utc": "2090-02-05T23:36:25Z", "ms": 3790020985204.6772 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2090-02-07", "window": { "start": { "local": "2090-02-07T05:51:57+08:00", "utc": "2090-02-06T21:51:57Z", "ms": 3790101117006.789 }, "end": { "local": "2090-02-07T07:35:47+08:00", "utc": "2090-02-06T23:35:47Z", "ms": 3790107346579.48 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:23 on Mon 6 Feb to 14:35 on Tue 7 Feb.", "fact": "2090-02-06T05:22:58Z → 2090-02-07T06:34:55Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:52–07:36 on the 6th, 05:52–07:36 on the 7th.", "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 104 minutes on the 6th and 104 of 104 on the 7th.", "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 20793 s" }, { "step": "ruling", "text": "Ratha Saptamī, Zunyi, 2090: Tuesday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-07", "confidence": "determinate" } ], "quote": "In Zunyi, Ratha Saptamī 2090 falls on Tuesday 7 February. Saptamī runs from 13:23 on Mon 6 Feb to 14:35 on Tue 7 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-02-11", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13044, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-02-10T13:15:24+08:00", "utc": "2090-02-10T05:15:24Z", "ms": 3790386924056.104 }, "end": { "local": "2090-02-11T11:10:24+08:00", "utc": "2090-02-11T03:10:24Z", "ms": 3790465823500.3574 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-10T13:15:24+08:00", "utc": "2090-02-10T05:15:24Z", "ms": 3790386924056.104 }, "end": { "local": "2090-02-11T11:10:24+08:00", "utc": "2090-02-11T03:10:24Z", "ms": 3790465823500.3574 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-02-10", "window": { "start": { "local": "2090-02-10T07:33:43+08:00", "utc": "2090-02-09T23:33:43Z", "ms": 3790366423279.163 }, "end": { "local": "2090-02-10T07:33:43+08:00", "utc": "2090-02-09T23:33:43Z", "ms": 3790366423279.163 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-02-11", "window": { "start": { "local": "2090-02-11T07:33:00+08:00", "utc": "2090-02-10T23:33:00Z", "ms": 3790452779786.505 }, "end": { "local": "2090-02-11T07:33:00+08:00", "utc": "2090-02-10T23:33:00Z", "ms": 3790452779786.505 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:15 on Fri 10 Feb to 11:10 on Sat 11 Feb.", "fact": "2090-02-10T05:15:24Z → 2090-02-11T03:10:24Z" }, { "step": "kaala", "text": "Sunrise is at 07:34 on the 10th and 07:33 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13044 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Zunyi, 2090: Saturday 11 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": "2090-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-11", "confidence": "determinate" } ], "quote": "In Zunyi, Jayā Ekādaśī 2090 falls on Saturday 11 February. Ekādaśī runs from 13:15 on Fri 10 Feb to 11:10 on Sat 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-02-11", "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/2090/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5551, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-02-11T11:10:24+08:00", "utc": "2090-02-11T03:10:24Z", "ms": 3790465823500.3574 }, "end": { "local": "2090-02-12T08:24:56+08:00", "utc": "2090-02-12T00:24:56Z", "ms": 3790542296407.6875 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-11T11:10:24+08:00", "utc": "2090-02-11T03:10:24Z", "ms": 3790465823500.3574 }, "end": { "local": "2090-02-12T08:24:56+08:00", "utc": "2090-02-12T00:24:56Z", "ms": 3790542296407.6875 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-02-11", "window": { "start": { "local": "2090-02-11T12:42:54+08:00", "utc": "2090-02-11T04:42:54Z", "ms": 3790471374383.0225 }, "end": { "local": "2090-02-11T13:30:54+08:00", "utc": "2090-02-11T05:30:54Z", "ms": 3790474254383.0225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-02-12", "window": { "start": { "local": "2090-02-12T12:42:54+08:00", "utc": "2090-02-12T04:42:54Z", "ms": 3790557773887.931 }, "end": { "local": "2090-02-12T13:30:54+08:00", "utc": "2090-02-12T05:30:54Z", "ms": 3790560653887.931 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:10 on Sat 11 Feb to 08:25 on Sun 12 Feb.", "fact": "2090-02-11T03:10:24Z → 2090-02-12T00:24:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 11th, 12:43–13:31 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī 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 5551 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Zunyi, 2090: Saturday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-11", "confidence": "determinate" } ], "quote": "In Zunyi, Bhīṣma Dvādaśī 2090 falls on Saturday 11 February. Dvādaśī runs from 11:10 on Sat 11 Feb to 08:25 on Sun 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-02-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31427, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-02-12T08:24:56+08:00", "utc": "2090-02-12T00:24:56Z", "ms": 3790542296407.6875 }, "end": { "local": "2090-02-13T05:07:59+08:00", "utc": "2090-02-12T21:07:59Z", "ms": 3790616879003.678 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-12T08:24:56+08:00", "utc": "2090-02-12T00:24:56Z", "ms": 3790542296407.6875 }, "end": { "local": "2090-02-13T05:07:59+08:00", "utc": "2090-02-12T21:07:59Z", "ms": 3790616879003.678 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-02-11", "window": { "start": { "local": "2090-02-11T18:40:49+08:00", "utc": "2090-02-11T10:40:49Z", "ms": 3790492848979.54 }, "end": { "local": "2090-02-11T20:23:40+08:00", "utc": "2090-02-11T12:23:40Z", "ms": 3790499020467.859 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2090-02-12", "window": { "start": { "local": "2090-02-12T18:41:33+08:00", "utc": "2090-02-12T10:41:33Z", "ms": 3790579292633.9297 }, "end": { "local": "2090-02-12T20:24:12+08:00", "utc": "2090-02-12T12:24:12Z", "ms": 3790585452199.275 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:25 on Sun 12 Feb to 05:08 on Mon 13 Feb.", "fact": "2090-02-12T00:24:56Z → 2090-02-12T21:07:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:24 on the 11th, 18:42–20:24 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 0 of 103 minutes on the 11th and 103 of 103 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 31427 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Sunday 12 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": "2090-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-12", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Sunday 12 February. Trayodaśī runs from 08:25 on Sun 12 Feb to 05:08 on Mon 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29404, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-02-14T01:29:43+08:00", "utc": "2090-02-13T17:29:43Z", "ms": 3790690182651.409 }, "end": { "local": "2090-02-14T21:40:54+08:00", "utc": "2090-02-14T13:40:54Z", "ms": 3790762854282.192 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2090-02-14T01:29:43+08:00", "utc": "2090-02-13T17:29:43Z", "ms": 3790690182651.409 }, "end": { "local": "2090-02-14T21:40:54+08:00", "utc": "2090-02-14T13:40:54Z", "ms": 3790762854282.192 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-02-13", "window": { "start": { "local": "2090-02-13T12:42:53+08:00", "utc": "2090-02-13T04:42:53Z", "ms": 3790644172628.897 }, "end": { "local": "2090-02-13T13:30:53+08:00", "utc": "2090-02-13T05:30:53Z", "ms": 3790647052628.897 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-02-14", "window": { "start": { "local": "2090-02-14T12:42:51+08:00", "utc": "2090-02-14T04:42:51Z", "ms": 3790730570621.1377 }, "end": { "local": "2090-02-14T13:30:51+08:00", "utc": "2090-02-14T05:30:51Z", "ms": 3790733450621.1377 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:30 on Tue 14 Feb to 21:41 on Tue 14 Feb.", "fact": "2090-02-13T17:29:43Z → 2090-02-14T13:40:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 13th, 12:43–13:31 on the 14th.", "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 13th and 48 of 48 on the 14th.", "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 29404 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Zunyi, 2090: Tuesday 14 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": "2090-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-14", "confidence": "determinate" } ], "quote": "In Zunyi, Māghī Pūrṇimā 2090 falls on Tuesday 14 February. Pūrṇimā runs from 01:30 on Tue 14 Feb to 21:41 on Tue 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-02-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36971, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-02-17T10:58:04+08:00", "utc": "2090-02-17T02:58:04Z", "ms": 3790983484170.4897 }, "end": { "local": "2090-02-18T08:10:51+08:00", "utc": "2090-02-18T00:10:51Z", "ms": 3791059850540.019 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-02-17T10:58:04+08:00", "utc": "2090-02-17T02:58:04Z", "ms": 3790983484170.4897 }, "end": { "local": "2090-02-18T08:10:51+08:00", "utc": "2090-02-18T00:10:51Z", "ms": 3791059850540.019 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-02-16", "window": { "start": { "local": "2090-02-16T20:49:42+08:00", "utc": "2090-02-16T12:49:42Z", "ms": 3790932581870.5537 }, "end": { "local": "2090-02-16T20:49:42+08:00", "utc": "2090-02-16T12:49:42Z", "ms": 3790932581870.5537 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-02-17", "window": { "start": { "local": "2090-02-17T21:54:40+08:00", "utc": "2090-02-17T13:54:40Z", "ms": 3791022879546.755 }, "end": { "local": "2090-02-17T21:54:40+08:00", "utc": "2090-02-17T13:54:40Z", "ms": 3791022879546.755 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:58 on Fri 17 Feb to 08:11 on Sat 18 Feb.", "fact": "2090-02-17T02:58:04Z → 2090-02-18T00:10:51Z" }, { "step": "kaala", "text": "Moonrise is at 20:50 on the 16th and 21:55 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36971 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Friday 17 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": "2090-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-17", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Friday 17 February. Caturthī runs from 10:58 on Fri 17 Feb to 08:11 on Sat 18 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-02-17", "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/2090/ekadashi?on=2090-02-25", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1475, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-02-24T05:54:31+08:00", "utc": "2090-02-23T21:54:31Z", "ms": 3791570071029.412 }, "end": { "local": "2090-02-25T07:45:39+08:00", "utc": "2090-02-24T23:45:39Z", "ms": 3791663138995.627 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-02-24T05:54:31+08:00", "utc": "2090-02-23T21:54:31Z", "ms": 3791570071029.412 }, "end": { "local": "2090-02-25T07:45:39+08:00", "utc": "2090-02-24T23:45:39Z", "ms": 3791663138995.627 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-02-24", "window": { "start": { "local": "2090-02-24T07:22:00+08:00", "utc": "2090-02-23T23:22:00Z", "ms": 3791575320449.698 }, "end": { "local": "2090-02-24T07:22:00+08:00", "utc": "2090-02-23T23:22:00Z", "ms": 3791575320449.698 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-02-25", "window": { "start": { "local": "2090-02-25T07:21:04+08:00", "utc": "2090-02-24T23:21:04Z", "ms": 3791661663538.2295 }, "end": { "local": "2090-02-25T07:21:04+08:00", "utc": "2090-02-24T23:21:04Z", "ms": 3791661663538.2295 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:55 on Fri 24 Feb to 07:46 on Sat 25 Feb.", "fact": "2090-02-23T21:54:31Z → 2090-02-24T23:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 07:22 on the 24th and 07:21 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is on the 25th.", "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 1475 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Zunyi, 2090: Saturday 25 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": "2090-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-25", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Ekādaśī 2090 falls on Saturday 25 February. Ekādaśī runs from 05:55 on Fri 24 Feb to 07:46 on Sat 25 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-02-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22937, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-02-26T09:59:45+08:00", "utc": "2090-02-26T01:59:45Z", "ms": 3791757585042.2993 }, "end": { "local": "2090-02-27T12:29:24+08:00", "utc": "2090-02-27T04:29:24Z", "ms": 3791852963664.4116 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-02-26T09:59:45+08:00", "utc": "2090-02-26T01:59:45Z", "ms": 3791757585042.2993 }, "end": { "local": "2090-02-27T12:29:24+08:00", "utc": "2090-02-27T04:29:24Z", "ms": 3791852963664.4116 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-02-26", "window": { "start": { "local": "2090-02-26T18:51:03+08:00", "utc": "2090-02-26T10:51:03Z", "ms": 3791789462648.9907 }, "end": { "local": "2090-02-26T20:30:47+08:00", "utc": "2090-02-26T12:30:47Z", "ms": 3791795447295.9727 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2090-02-27", "window": { "start": { "local": "2090-02-27T18:51:41+08:00", "utc": "2090-02-27T10:51:41Z", "ms": 3791875900541.221 }, "end": { "local": "2090-02-27T20:31:12+08:00", "utc": "2090-02-27T12:31:12Z", "ms": 3791881872259.411 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:00 on Sun 26 Feb to 12:29 on Mon 27 Feb.", "fact": "2090-02-26T01:59:45Z → 2090-02-27T04:29:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:31 on the 26th, 18:52–20:31 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 100 of 100 minutes on the 26th and 0 of 100 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 22937 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Sunday 26 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": "2090-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-26", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Sunday 26 February. Trayodaśī runs from 10:00 on Sun 26 Feb to 12:29 on Mon 27 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-02-26", "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/2090/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34386, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-02-27T12:29:24+08:00", "utc": "2090-02-27T04:29:24Z", "ms": 3791852963664.4116 }, "end": { "local": "2090-02-28T15:07:37+08:00", "utc": "2090-02-28T07:07:37Z", "ms": 3791948857093.202 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-02-27T12:29:24+08:00", "utc": "2090-02-27T04:29:24Z", "ms": 3791852963664.4116 }, "end": { "local": "2090-02-28T15:07:37+08:00", "utc": "2090-02-28T07:07:37Z", "ms": 3791948857093.202 } }, "kaala": "nishita", "days": [ { "local_date": "2090-02-27", "window": { "start": { "local": "2090-02-28T00:40:54+08:00", "utc": "2090-02-27T16:40:54Z", "ms": 3791896854484.4336 }, "end": { "local": "2090-02-28T01:28:54+08:00", "utc": "2090-02-27T17:28:54Z", "ms": 3791899734484.4336 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-02-28", "window": { "start": { "local": "2090-03-01T00:40:43+08:00", "utc": "2090-02-28T16:40:43Z", "ms": 3791983243378.2373 }, "end": { "local": "2090-03-01T01:28:43+08:00", "utc": "2090-02-28T17:28:43Z", "ms": 3791986123378.2373 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:29 on Mon 27 Feb to 15:08 on Tue 28 Feb.", "fact": "2090-02-27T04:29:24Z → 2090-02-28T07:07:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:41–01:29 on the 27th, 00:41–01:29 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 34386 s" }, { "step": "ruling", "text": "Mahāśivarātri, Zunyi, 2090: Monday 27 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": "2090-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-02-27", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāśivarātri 2090 falls on Monday 27 February. Caturdaśī runs from 12:29 on Mon 27 Feb to 15:08 on Tue 28 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-03-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35662, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-03-05T00:59:51+08:00", "utc": "2090-03-04T16:59:51Z", "ms": 3792329990582.2446 }, "end": { "local": "2090-03-06T02:45:36+08:00", "utc": "2090-03-05T18:45:36Z", "ms": 3792422736367.686 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-03-05T00:59:51+08:00", "utc": "2090-03-04T16:59:51Z", "ms": 3792329990582.2446 }, "end": { "local": "2090-03-06T02:45:36+08:00", "utc": "2090-03-05T18:45:36Z", "ms": 3792422736367.686 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-03-05", "window": { "start": { "local": "2090-03-05T12:40:12+08:00", "utc": "2090-03-05T04:40:12Z", "ms": 3792372011995.2734 }, "end": { "local": "2090-03-05T13:28:12+08:00", "utc": "2090-03-05T05:28:12Z", "ms": 3792374891995.2734 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-03-06", "window": { "start": { "local": "2090-03-06T12:39:58+08:00", "utc": "2090-03-06T04:39:58Z", "ms": 3792458398374.422 }, "end": { "local": "2090-03-06T13:27:58+08:00", "utc": "2090-03-06T05:27:58Z", "ms": 3792461278374.422 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:00 on Sun 5 Mar to 02:46 on Mon 6 Mar.", "fact": "2090-03-04T16:59:51Z → 2090-03-05T18:45:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 5th, 12:40–13:28 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35662 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Sunday 5 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": "2090-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-05", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Sunday 5 March. Caturthī runs from 01:00 on Sun 5 Mar to 02:46 on Mon 6 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/ekadashi?on=2090-03-12", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24363, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-03-12T00:19:32+08:00", "utc": "2090-03-11T16:19:32Z", "ms": 3792932372027.179 }, "end": { "local": "2090-03-12T21:38:03+08:00", "utc": "2090-03-12T13:38:03Z", "ms": 3793009082940.84 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-03-12T00:19:32+08:00", "utc": "2090-03-11T16:19:32Z", "ms": 3792932372027.179 }, "end": { "local": "2090-03-12T21:38:03+08:00", "utc": "2090-03-12T13:38:03Z", "ms": 3793009082940.84 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-03-12", "window": { "start": { "local": "2090-03-12T07:05:35+08:00", "utc": "2090-03-11T23:05:35Z", "ms": 3792956734697.5645 }, "end": { "local": "2090-03-12T07:05:35+08:00", "utc": "2090-03-11T23:05:35Z", "ms": 3792956734697.5645 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-03-13", "window": { "start": { "local": "2090-03-13T07:04:29+08:00", "utc": "2090-03-12T23:04:29Z", "ms": 3793043068954.9214 }, "end": { "local": "2090-03-13T07:04:29+08:00", "utc": "2090-03-12T23:04:29Z", "ms": 3793043068954.9214 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:20 on Sun 12 Mar to 21:38 on Sun 12 Mar.", "fact": "2090-03-11T16:19:32Z → 2090-03-12T13:38:03Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 12th and 07:04 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24363 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Zunyi, 2090: Sunday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-12", "confidence": "determinate" } ], "quote": "In Zunyi, Āmalakī Ekādaśī 2090 falls on Sunday 12 March. Ekādaśī runs from 00:20 on Sun 12 Mar to 21:38 on Sun 12 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-03-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1854, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-03-13T18:29:01+08:00", "utc": "2090-03-13T10:29:01Z", "ms": 3793084141313.01 }, "end": { "local": "2090-03-14T15:00:45+08:00", "utc": "2090-03-14T07:00:45Z", "ms": 3793158044708.597 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-03-13T18:29:01+08:00", "utc": "2090-03-13T10:29:01Z", "ms": 3793084141313.01 }, "end": { "local": "2090-03-14T15:00:45+08:00", "utc": "2090-03-14T07:00:45Z", "ms": 3793158044708.597 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-03-13", "window": { "start": { "local": "2090-03-13T18:59:56+08:00", "utc": "2090-03-13T10:59:56Z", "ms": 3793085995721.793 }, "end": { "local": "2090-03-13T20:36:23+08:00", "utc": "2090-03-13T12:36:23Z", "ms": 3793091783344.781 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2090-03-14", "window": { "start": { "local": "2090-03-14T19:00:29+08:00", "utc": "2090-03-14T11:00:29Z", "ms": 3793172428911.1367 }, "end": { "local": "2090-03-14T20:36:43+08:00", "utc": "2090-03-14T12:36:43Z", "ms": 3793178203262.55 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:29 on Mon 13 Mar to 15:01 on Tue 14 Mar.", "fact": "2090-03-13T10:29:01Z → 2090-03-14T07:00:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:36 on the 13th, 19:00–20:37 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 96 of 96 minutes on the 13th and 0 of 96 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 1854 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Monday 13 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": "2090-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-13", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Monday 13 March. Trayodaśī runs from 18:29 on Mon 13 Mar to 15:01 on Tue 14 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-03-13", "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/2090/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18894, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-03-15T11:22:23+08:00", "utc": "2090-03-15T03:22:23Z", "ms": 3793231342862.9614 }, "end": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-03-15T11:22:23+08:00", "utc": "2090-03-15T03:22:23Z", "ms": 3793231342862.9614 }, "end": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 } }, "kaala": "sayahna", "days": [ { "local_date": "2090-03-15", "window": { "start": { "local": "2090-03-15T16:37:17+08:00", "utc": "2090-03-15T08:37:17Z", "ms": 3793250236813.5034 }, "end": { "local": "2090-03-15T19:01:02+08:00", "utc": "2090-03-15T11:01:02Z", "ms": 3793258861880.1953 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "2090-03-16", "window": { "start": { "local": "2090-03-16T16:37:30+08:00", "utc": "2090-03-16T08:37:30Z", "ms": 3793336649707.379 }, "end": { "local": "2090-03-16T19:01:35+08:00", "utc": "2090-03-16T11:01:35Z", "ms": 3793345294648.125 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:22 on Wed 15 Mar to 07:44 on Thu 16 Mar.", "fact": "2090-03-15T03:22:23Z → 2090-03-15T23:43:35Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:01 on the 15th, 16:37–19:02 on the 16th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 144 of 144 minutes on the 15th and 0 of 144 on the 16th.", "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 18894 s" }, { "step": "ruling", "text": "Holikā Dahana, Zunyi, 2090: Wednesday 15 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": "2090-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-15", "confidence": "determinate" } ], "quote": "In Zunyi, Holikā Dahana 2090 falls on Wednesday 15 March. Pūrṇimā runs from 11:22 on Wed 15 Mar to 07:44 on Thu 16 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18894, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-03-15T11:22:23+08:00", "utc": "2090-03-15T03:22:23Z", "ms": 3793231342862.9614 }, "end": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2090-03-15T11:22:23+08:00", "utc": "2090-03-15T03:22:23Z", "ms": 3793231342862.9614 }, "end": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 } }, "kaala": "sayahna", "days": [ { "local_date": "2090-03-15", "window": { "start": { "local": "2090-03-15T16:37:17+08:00", "utc": "2090-03-15T08:37:17Z", "ms": 3793250236813.5034 }, "end": { "local": "2090-03-15T19:01:02+08:00", "utc": "2090-03-15T11:01:02Z", "ms": 3793258861880.1953 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "2090-03-16", "window": { "start": { "local": "2090-03-16T16:37:30+08:00", "utc": "2090-03-16T08:37:30Z", "ms": 3793336649707.379 }, "end": { "local": "2090-03-16T19:01:35+08:00", "utc": "2090-03-16T11:01:35Z", "ms": 3793345294648.125 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2090-03-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:22 on Wed 15 Mar to 07:44 on Thu 16 Mar.", "fact": "2090-03-15T03:22:23Z → 2090-03-15T23:43:35Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:01 on the 15th, 16:37–19:02 on the 16th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 144 of 144 minutes on the 15th and 0 of 144 on the 16th.", "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 18894 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Wednesday 15 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Zunyi, 2090: Thursday 16 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": "2090-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-16", "confidence": "determinate" } ], "quote": "In Zunyi, Holī 2090 falls on Thursday 16 March. It is kept the day after Holikā Dahana, which falls on Wednesday 15 March. Pūrṇimā runs from 11:22 on Wed 15 Mar to 07:44 on Thu 16 Mar and covers all of sāyāhna on the 15th.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-16", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2545, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 }, "end": { "local": "2090-03-17T04:14:12+08:00", "utc": "2090-03-16T20:14:12Z", "ms": 3793378452070.4375 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-16T07:43:35+08:00", "utc": "2090-03-15T23:43:35Z", "ms": 3793304615301.7534 }, "end": { "local": "2090-03-17T04:14:12+08:00", "utc": "2090-03-16T20:14:12Z", "ms": 3793378452070.4375 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-03-16", "window": { "start": { "local": "2090-03-16T07:01:10+08:00", "utc": "2090-03-15T23:01:10Z", "ms": 3793302069944.395 }, "end": { "local": "2090-03-16T07:01:10+08:00", "utc": "2090-03-15T23:01:10Z", "ms": 3793302069944.395 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-03-17", "window": { "start": { "local": "2090-03-17T07:00:03+08:00", "utc": "2090-03-16T23:00:03Z", "ms": 3793388403119.2715 }, "end": { "local": "2090-03-17T07:00:03+08:00", "utc": "2090-03-16T23:00:03Z", "ms": 3793388403119.2715 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:44 on Thu 16 Mar to 04:14 on Fri 17 Mar.", "fact": "2090-03-15T23:43:35Z → 2090-03-16T20:14:12Z" }, { "step": "kaala", "text": "Sunrise is at 07:01 on the 16th and 07:00 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 2545 s" }, { "step": "ruling", "text": "Vasantotsava, Zunyi, 2090: Thursday 16 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-03-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-16", "confidence": "boundary" } ], "quote": "In Zunyi, Vasantotsava 2090 falls on Thursday 16 March. Pratipadā runs from 07:44 on Thu 16 Mar to 04:14 on Fri 17 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-03-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-18", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2447, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-03-18T22:21:54+08:00", "utc": "2090-03-18T14:21:54Z", "ms": 3793530114435.192 }, "end": { "local": "2090-03-19T20:16:23+08:00", "utc": "2090-03-19T12:16:23Z", "ms": 3793608982782.747 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-18T22:21:54+08:00", "utc": "2090-03-18T14:21:54Z", "ms": 3793530114435.192 }, "end": { "local": "2090-03-19T20:16:23+08:00", "utc": "2090-03-19T12:16:23Z", "ms": 3793608982782.747 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-03-18", "window": { "start": { "local": "2090-03-18T21:41:07+08:00", "utc": "2090-03-18T13:41:07Z", "ms": 3793527667401.9243 }, "end": { "local": "2090-03-18T21:41:07+08:00", "utc": "2090-03-18T13:41:07Z", "ms": 3793527667401.9243 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-03-19", "window": { "start": { "local": "2090-03-19T22:43:13+08:00", "utc": "2090-03-19T14:43:13Z", "ms": 3793617793029.2188 }, "end": { "local": "2090-03-19T22:43:13+08:00", "utc": "2090-03-19T14:43:13Z", "ms": 3793617793029.2188 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:22 on Sat 18 Mar to 20:16 on Sun 19 Mar.", "fact": "2090-03-18T14:21:54Z → 2090-03-19T12:16:23Z" }, { "step": "kaala", "text": "Moonrise is at 21:41 on the 18th and 22:43 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is not on the 19th.", "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 2447 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Saturday 18 March.", "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": "2090-03-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-18", "confidence": "boundary" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Saturday 18 March. Caturthī runs from 22:22 on Sat 18 Mar to 20:16 on Sun 19 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18516, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-03-22T18:32:14+08:00", "utc": "2090-03-22T10:32:14Z", "ms": 3793861933872.0625 }, "end": { "local": "2090-03-23T19:31:51+08:00", "utc": "2090-03-23T11:31:51Z", "ms": 3793951911101.381 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-22T18:32:14+08:00", "utc": "2090-03-22T10:32:14Z", "ms": 3793861933872.0625 }, "end": { "local": "2090-03-23T19:31:51+08:00", "utc": "2090-03-23T11:31:51Z", "ms": 3793951911101.381 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-03-22", "window": { "start": { "local": "2090-03-22T12:35:37+08:00", "utc": "2090-03-22T04:35:37Z", "ms": 3793840537409.2744 }, "end": { "local": "2090-03-22T13:23:37+08:00", "utc": "2090-03-22T05:23:37Z", "ms": 3793843417409.2744 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-03-23", "window": { "start": { "local": "2090-03-23T12:35:20+08:00", "utc": "2090-03-23T04:35:20Z", "ms": 3793926919579.968 }, "end": { "local": "2090-03-23T13:23:20+08:00", "utc": "2090-03-23T05:23:20Z", "ms": 3793929799579.968 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:32 on Wed 22 Mar to 19:32 on Thu 23 Mar.", "fact": "2090-03-22T10:32:14Z → 2090-03-23T11:31:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 22nd, 12:35–13:23 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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 18516 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Zunyi, 2090: Thursday 23 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": "2090-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalāṣṭamī 2090 falls on Thursday 23 March. Aṣṭamī runs from 18:32 on Wed 22 Mar to 19:32 on Thu 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-03-26", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17700, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-03-25T23:22:39+08:00", "utc": "2090-03-25T15:22:39Z", "ms": 3794138559289.258 }, "end": { "local": "2090-03-27T01:53:49+08:00", "utc": "2090-03-26T17:53:49Z", "ms": 3794234028908.037 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-25T23:22:39+08:00", "utc": "2090-03-25T15:22:39Z", "ms": 3794138559289.258 }, "end": { "local": "2090-03-27T01:53:49+08:00", "utc": "2090-03-26T17:53:49Z", "ms": 3794234028908.037 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-03-26", "window": { "start": { "local": "2090-03-26T06:49:57+08:00", "utc": "2090-03-25T22:49:57Z", "ms": 3794165396720.0264 }, "end": { "local": "2090-03-26T06:49:57+08:00", "utc": "2090-03-25T22:49:57Z", "ms": 3794165396720.0264 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-03-27", "window": { "start": { "local": "2090-03-27T06:48:49+08:00", "utc": "2090-03-26T22:48:49Z", "ms": 3794251729310.897 }, "end": { "local": "2090-03-27T06:48:49+08:00", "utc": "2090-03-26T22:48:49Z", "ms": 3794251729310.897 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:23 on Sat 25 Mar to 01:54 on Mon 27 Mar.", "fact": "2090-03-25T15:22:39Z → 2090-03-26T17:53:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 26th and 06:49 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "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 17700 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Zunyi, 2090: Sunday 26 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": "2090-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-26", "confidence": "determinate" } ], "quote": "In Zunyi, Pāpamocanī Ekādaśī 2090 falls on Sunday 26 March. Ekādaśī runs from 23:23 on Sat 25 Mar to 01:54 on Mon 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-03-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28375, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-03-28T04:33:44+08:00", "utc": "2090-03-27T20:33:44Z", "ms": 3794330023767.39 }, "end": { "local": "2090-03-29T07:11:51+08:00", "utc": "2090-03-28T23:11:51Z", "ms": 3794425911055.2964 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-28T04:33:44+08:00", "utc": "2090-03-27T20:33:44Z", "ms": 3794330023767.39 }, "end": { "local": "2090-03-29T07:11:51+08:00", "utc": "2090-03-28T23:11:51Z", "ms": 3794425911055.2964 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-03-27", "window": { "start": { "local": "2090-03-27T19:07:27+08:00", "utc": "2090-03-27T11:07:27Z", "ms": 3794296046720.7314 }, "end": { "local": "2090-03-27T20:40:49+08:00", "utc": "2090-03-27T12:40:49Z", "ms": 3794301648757.015 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2090-03-28", "window": { "start": { "local": "2090-03-28T19:07:58+08:00", "utc": "2090-03-28T11:07:58Z", "ms": 3794382478317.678 }, "end": { "local": "2090-03-28T20:41:07+08:00", "utc": "2090-03-28T12:41:07Z", "ms": 3794388067180.801 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:34 on Tue 28 Mar to 07:12 on Wed 29 Mar.", "fact": "2090-03-27T20:33:44Z → 2090-03-28T23:11:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:41 on the 27th, 19:08–20:41 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 0 of 93 minutes on the 27th and 93 of 93 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 28375 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Tuesday 28 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": "2090-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-28", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Tuesday 28 March. Trayodaśī runs from 04:34 on Tue 28 Mar to 07:12 on Wed 29 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-03-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21035, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-03-29T07:11:51+08:00", "utc": "2090-03-28T23:11:51Z", "ms": 3794425911055.2964 }, "end": { "local": "2090-03-30T09:39:24+08:00", "utc": "2090-03-30T01:39:24Z", "ms": 3794521164416.402 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-29T07:11:51+08:00", "utc": "2090-03-28T23:11:51Z", "ms": 3794425911055.2964 }, "end": { "local": "2090-03-30T09:39:24+08:00", "utc": "2090-03-30T01:39:24Z", "ms": 3794521164416.402 } }, "kaala": "nishita", "days": [ { "local_date": "2090-03-28", "window": { "start": { "local": "2090-03-29T00:33:17+08:00", "utc": "2090-03-28T16:33:17Z", "ms": 3794401996554.3887 }, "end": { "local": "2090-03-29T01:21:17+08:00", "utc": "2090-03-28T17:21:17Z", "ms": 3794404876554.3887 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-03-29", "window": { "start": { "local": "2090-03-30T00:32:59+08:00", "utc": "2090-03-29T16:32:59Z", "ms": 3794488378811.833 }, "end": { "local": "2090-03-30T01:20:59+08:00", "utc": "2090-03-29T17:20:59Z", "ms": 3794491258811.833 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:12 on Wed 29 Mar to 09:39 on Thu 30 Mar.", "fact": "2090-03-28T23:11:51Z → 2090-03-30T01:39:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 28th, 00:33–01:21 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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 21035 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Wednesday 29 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": "2090-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-03-29", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Wednesday 29 March. Caturdaśī runs from 07:12 on Wed 29 Mar to 09:39 on Thu 30 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-03-29", "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/2090/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1043, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-03-31T11:49:43+08:00", "utc": "2090-03-31T03:49:43Z", "ms": 3794615383173.322 }, "end": { "local": "2090-04-01T13:38:03+08:00", "utc": "2090-04-01T05:38:03Z", "ms": 3794708282847.448 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-03-31T11:49:43+08:00", "utc": "2090-03-31T03:49:43Z", "ms": 3794615383173.322 }, "end": { "local": "2090-04-01T13:38:03+08:00", "utc": "2090-04-01T05:38:03Z", "ms": 3794708282847.448 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-03-31", "window": { "start": { "local": "2090-03-31T12:32:57+08:00", "utc": "2090-03-31T04:32:57Z", "ms": 3794617976925.172 }, "end": { "local": "2090-03-31T13:20:57+08:00", "utc": "2090-03-31T05:20:57Z", "ms": 3794620856925.172 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-04-01", "window": { "start": { "local": "2090-04-01T12:32:39+08:00", "utc": "2090-04-01T04:32:39Z", "ms": 3794704359353.797 }, "end": { "local": "2090-04-01T13:20:39+08:00", "utc": "2090-04-01T05:20:39Z", "ms": 3794707239353.797 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:50 on Fri 31 Mar to 13:38 on Sat 1 Apr.", "fact": "2090-03-31T03:49:43Z → 2090-04-01T05:38:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 31st, 12:33–13:21 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1043 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Zunyi, 2090: Saturday 1 April.", "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": "2090-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-01", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Caitra) (Chaitra Navratri) 2090 falls on Saturday 1 April. Pratipadā runs from 11:50 on Fri 31 Mar to 13:38 on Sat 1 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6048, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-04-02T15:01:09+08:00", "utc": "2090-04-02T07:01:09Z", "ms": 3794799669472.029 }, "end": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-02T15:01:09+08:00", "utc": "2090-04-02T07:01:09Z", "ms": 3794799669472.029 }, "end": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-02", "window": { "start": { "local": "2090-04-02T12:32:22+08:00", "utc": "2090-04-02T04:32:22Z", "ms": 3794790741894.928 }, "end": { "local": "2090-04-02T13:20:22+08:00", "utc": "2090-04-02T05:20:22Z", "ms": 3794793621894.928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-03", "window": { "start": { "local": "2090-04-03T12:32:05+08:00", "utc": "2090-04-03T04:32:05Z", "ms": 3794877124564.0737 }, "end": { "local": "2090-04-03T13:20:05+08:00", "utc": "2090-04-03T05:20:05Z", "ms": 3794880004564.0737 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr.", "fact": "2090-04-02T07:01:09Z → 2090-04-03T07:56:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 2nd, 12:32–13:20 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6048 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Zunyi, 2090: Monday 3 April.", "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": "2090-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-03", "confidence": "determinate" } ], "quote": "In Zunyi, Gaurī Tṛtīyā (Gangaur) 2090 falls on Monday 3 April. Tṛtīyā runs from 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6048, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-04-02T15:01:09+08:00", "utc": "2090-04-02T07:01:09Z", "ms": 3794799669472.029 }, "end": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-02T15:01:09+08:00", "utc": "2090-04-02T07:01:09Z", "ms": 3794799669472.029 }, "end": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-02", "window": { "start": { "local": "2090-04-02T12:32:22+08:00", "utc": "2090-04-02T04:32:22Z", "ms": 3794790741894.928 }, "end": { "local": "2090-04-02T13:20:22+08:00", "utc": "2090-04-02T05:20:22Z", "ms": 3794793621894.928 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-03", "window": { "start": { "local": "2090-04-03T12:32:05+08:00", "utc": "2090-04-03T04:32:05Z", "ms": 3794877124564.0737 }, "end": { "local": "2090-04-03T13:20:05+08:00", "utc": "2090-04-03T05:20:05Z", "ms": 3794880004564.0737 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr.", "fact": "2090-04-02T07:01:09Z → 2090-04-03T07:56:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 2nd, 12:32–13:20 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6048 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Zunyi, 2090: Monday 3 April.", "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": "2090-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-03", "confidence": "determinate" } ], "quote": "In Zunyi, Saubhāgya Śayana Vrata 2090 falls on Monday 3 April. Tṛtīyā runs from 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-04-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9406, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 }, "end": { "local": "2090-04-04T16:23:33+08:00", "utc": "2090-04-04T08:23:33Z", "ms": 3794977412786.026 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-03T15:56:51+08:00", "utc": "2090-04-03T07:56:51Z", "ms": 3794889410630.6074 }, "end": { "local": "2090-04-04T16:23:33+08:00", "utc": "2090-04-04T08:23:33Z", "ms": 3794977412786.026 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-03", "window": { "start": { "local": "2090-04-03T12:32:05+08:00", "utc": "2090-04-03T04:32:05Z", "ms": 3794877124564.0737 }, "end": { "local": "2090-04-03T13:20:05+08:00", "utc": "2090-04-03T05:20:05Z", "ms": 3794880004564.0737 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-04", "window": { "start": { "local": "2090-04-04T12:31:47+08:00", "utc": "2090-04-04T04:31:47Z", "ms": 3794963507376.6055 }, "end": { "local": "2090-04-04T13:19:47+08:00", "utc": "2090-04-04T05:19:47Z", "ms": 3794966387376.6055 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:57 on Mon 3 Apr to 16:24 on Tue 4 Apr.", "fact": "2090-04-03T07:56:51Z → 2090-04-04T08:23:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 3rd, 12:32–13:20 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9406 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Tuesday 4 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": "2090-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-04", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Tuesday 4 April. Caturthī runs from 15:57 on Mon 3 Apr to 16:24 on Tue 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10840, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-04-04T16:23:33+08:00", "utc": "2090-04-04T08:23:33Z", "ms": 3794977412786.026 }, "end": { "local": "2090-04-05T16:20:10+08:00", "utc": "2090-04-05T08:20:10Z", "ms": 3795063609888.505 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-04T16:23:33+08:00", "utc": "2090-04-04T08:23:33Z", "ms": 3794977412786.026 }, "end": { "local": "2090-04-05T16:20:10+08:00", "utc": "2090-04-05T08:20:10Z", "ms": 3795063609888.505 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-04", "window": { "start": { "local": "2090-04-04T12:31:47+08:00", "utc": "2090-04-04T04:31:47Z", "ms": 3794963507376.6055 }, "end": { "local": "2090-04-04T13:19:47+08:00", "utc": "2090-04-04T05:19:47Z", "ms": 3794966387376.6055 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-05", "window": { "start": { "local": "2090-04-05T12:31:30+08:00", "utc": "2090-04-05T04:31:30Z", "ms": 3795049890347.8843 }, "end": { "local": "2090-04-05T13:19:30+08:00", "utc": "2090-04-05T05:19:30Z", "ms": 3795052770347.8843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:24 on Tue 4 Apr to 16:20 on Wed 5 Apr.", "fact": "2090-04-04T08:23:33Z → 2090-04-05T08:20:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 4th, 12:32–13:20 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10840 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Zunyi, 2090: Wednesday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-05", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pañcamī 2090 falls on Wednesday 5 April. Pañcamī runs from 16:24 on Tue 4 Apr to 16:20 on Wed 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 727, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2090-04-08T13:06:33+08:00", "utc": "2090-04-08T05:06:33Z", "ms": 3795311192933.3325 }, "end": { "local": "2090-04-09T11:03:56+08:00", "utc": "2090-04-09T03:03:56Z", "ms": 3795390235546.4365 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-08T13:06:33+08:00", "utc": "2090-04-08T05:06:33Z", "ms": 3795311192933.3325 }, "end": { "local": "2090-04-09T11:03:56+08:00", "utc": "2090-04-09T03:03:56Z", "ms": 3795390235546.4365 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-08", "window": { "start": { "local": "2090-04-08T12:30:40+08:00", "utc": "2090-04-08T04:30:40Z", "ms": 3795309040370.7417 }, "end": { "local": "2090-04-08T13:18:40+08:00", "utc": "2090-04-08T05:18:40Z", "ms": 3795311920370.7417 } }, "covered_min": 12, "window_min": 48, "qualifies": true }, { "local_date": "2090-04-09", "window": { "start": { "local": "2090-04-09T12:30:24+08:00", "utc": "2090-04-09T04:30:24Z", "ms": 3795395424135.7217 }, "end": { "local": "2090-04-09T13:18:24+08:00", "utc": "2090-04-09T05:18:24Z", "ms": 3795398304135.7217 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 13:07 on Sat 8 Apr to 11:04 on Sun 9 Apr.", "fact": "2090-04-08T05:06:33Z → 2090-04-09T03:03:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 8th, 12:30–13:18 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 12 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 727 s" }, { "step": "ruling", "text": "Rāma Navamī, Zunyi, 2090: Saturday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-08", "confidence": "determinate" } ], "quote": "In Zunyi, Rāma Navamī 2090 falls on Saturday 8 April. Navamī runs from 13:07 on Sat 8 Apr to 11:04 on Sun 9 Apr and covers 12 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 727, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-04-07T14:41:14+08:00", "utc": "2090-04-07T06:41:14Z", "ms": 3795230474478.4595 }, "end": { "local": "2090-04-08T13:06:33+08:00", "utc": "2090-04-08T05:06:33Z", "ms": 3795311192933.3325 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-07T14:41:14+08:00", "utc": "2090-04-07T06:41:14Z", "ms": 3795230474478.4595 }, "end": { "local": "2090-04-08T13:06:33+08:00", "utc": "2090-04-08T05:06:33Z", "ms": 3795311192933.3325 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-07", "window": { "start": { "local": "2090-04-07T12:30:57+08:00", "utc": "2090-04-07T04:30:57Z", "ms": 3795222656828.9395 }, "end": { "local": "2090-04-07T13:18:57+08:00", "utc": "2090-04-07T05:18:57Z", "ms": 3795225536828.9395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-08", "window": { "start": { "local": "2090-04-08T12:30:40+08:00", "utc": "2090-04-08T04:30:40Z", "ms": 3795309040370.7417 }, "end": { "local": "2090-04-08T13:18:40+08:00", "utc": "2090-04-08T05:18:40Z", "ms": 3795311920370.7417 } }, "covered_min": 36, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:41 on Fri 7 Apr to 13:07 on Sat 8 Apr.", "fact": "2090-04-07T06:41:14Z → 2090-04-08T05:06:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 7th, 12:31–13:19 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 36 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 727 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Zunyi, 2090: Saturday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-08", "confidence": "determinate" } ], "quote": "In Zunyi, Bhavānī Utpatti 2090 falls on Saturday 8 April. Aṣṭamī runs from 14:41 on Fri 7 Apr to 13:07 on Sat 8 Apr and covers 36 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-04-10", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2613, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-04-10T08:36:32+08:00", "utc": "2090-04-10T00:36:32Z", "ms": 3795467792365.7065 }, "end": { "local": "2090-04-11T05:48:50+08:00", "utc": "2090-04-10T21:48:50Z", "ms": 3795544129957.739 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-10T08:36:32+08:00", "utc": "2090-04-10T00:36:32Z", "ms": 3795467792365.7065 }, "end": { "local": "2090-04-11T05:48:50+08:00", "utc": "2090-04-10T21:48:50Z", "ms": 3795544129957.739 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-04-10", "window": { "start": { "local": "2090-04-10T06:33:26+08:00", "utc": "2090-04-09T22:33:26Z", "ms": 3795460406315.8984 }, "end": { "local": "2090-04-10T06:33:26+08:00", "utc": "2090-04-09T22:33:26Z", "ms": 3795460406315.8984 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-04-11", "window": { "start": { "local": "2090-04-11T06:32:23+08:00", "utc": "2090-04-10T22:32:23Z", "ms": 3795546742855.5137 }, "end": { "local": "2090-04-11T06:32:23+08:00", "utc": "2090-04-10T22:32:23Z", "ms": 3795546742855.5137 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:37 on Mon 10 Apr to 05:49 on Tue 11 Apr.", "fact": "2090-04-10T00:36:32Z → 2090-04-10T21:48:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 10th and 06:32 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2613 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Zunyi, 2090: Monday 10 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": "2090-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-10", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmadā Ekādaśī 2090 falls on Monday 10 April. Ekādaśī runs from 08:37 on Mon 10 Apr to 05:49 on Tue 11 Apr, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34989, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-04-12T02:46:28+08:00", "utc": "2090-04-11T18:46:28Z", "ms": 3795619588414.9146 }, "end": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-12T02:46:28+08:00", "utc": "2090-04-11T18:46:28Z", "ms": 3795619588414.9146 }, "end": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-12", "window": { "start": { "local": "2090-04-12T12:29:37+08:00", "utc": "2090-04-12T04:29:37Z", "ms": 3795654576952.1772 }, "end": { "local": "2090-04-12T13:17:37+08:00", "utc": "2090-04-12T05:17:37Z", "ms": 3795657456952.1772 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-04-13", "window": { "start": { "local": "2090-04-13T12:29:22+08:00", "utc": "2090-04-13T04:29:22Z", "ms": 3795740961796.8994 }, "end": { "local": "2090-04-13T13:17:22+08:00", "utc": "2090-04-13T05:17:22Z", "ms": 3795743841796.8994 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:46 on Wed 12 Apr to 23:36 on Wed 12 Apr.", "fact": "2090-04-11T18:46:28Z → 2090-04-12T15:36:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 12th, 12:29–13:17 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34989 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Zunyi, 2090: Wednesday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-12", "confidence": "determinate" } ], "quote": "In Zunyi, Anaṅga Trayodaśī 2090 falls on Wednesday 12 April. Trayodaśī runs from 02:46 on Wed 12 Apr to 23:36 on Wed 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-04-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10225, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-04-12T02:46:28+08:00", "utc": "2090-04-11T18:46:28Z", "ms": 3795619588414.9146 }, "end": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-12T02:46:28+08:00", "utc": "2090-04-11T18:46:28Z", "ms": 3795619588414.9146 }, "end": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-04-11", "window": { "start": { "local": "2090-04-11T19:15:22+08:00", "utc": "2090-04-11T11:15:22Z", "ms": 3795592521958.952 }, "end": { "local": "2090-04-11T20:45:30+08:00", "utc": "2090-04-11T12:45:30Z", "ms": 3795597929679.6846 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2090-04-12", "window": { "start": { "local": "2090-04-12T19:15:54+08:00", "utc": "2090-04-12T11:15:54Z", "ms": 3795678954039.909 }, "end": { "local": "2090-04-12T20:45:49+08:00", "utc": "2090-04-12T12:45:49Z", "ms": 3795684349150.8394 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:46 on Wed 12 Apr to 23:36 on Wed 12 Apr.", "fact": "2090-04-11T18:46:28Z → 2090-04-12T15:36:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:45 on the 11th, 19:16–20:46 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 0 of 90 minutes on the 11th and 90 of 90 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 10225 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Wednesday 12 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": "2090-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-12", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Wednesday 12 April. Trayodaśī runs from 02:46 on Wed 12 Apr to 23:36 on Wed 12 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-04-12", "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/2090/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25707, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 }, "end": { "local": "2090-04-13T20:25:48+08:00", "utc": "2090-04-13T12:25:48Z", "ms": 3795769548351.299 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-12T23:36:14+08:00", "utc": "2090-04-12T15:36:14Z", "ms": 3795694573954.401 }, "end": { "local": "2090-04-13T20:25:48+08:00", "utc": "2090-04-13T12:25:48Z", "ms": 3795769548351.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-12", "window": { "start": { "local": "2090-04-12T12:29:37+08:00", "utc": "2090-04-12T04:29:37Z", "ms": 3795654576952.1772 }, "end": { "local": "2090-04-12T13:17:37+08:00", "utc": "2090-04-12T05:17:37Z", "ms": 3795657456952.1772 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-13", "window": { "start": { "local": "2090-04-13T12:29:22+08:00", "utc": "2090-04-13T04:29:22Z", "ms": 3795740961796.8994 }, "end": { "local": "2090-04-13T13:17:22+08:00", "utc": "2090-04-13T05:17:22Z", "ms": 3795743841796.8994 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:36 on Wed 12 Apr to 20:26 on Thu 13 Apr.", "fact": "2090-04-12T15:36:14Z → 2090-04-13T12:25:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 12th, 12:29–13:17 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25707 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Zunyi, 2090: Thursday 13 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": "2090-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-13", "confidence": "determinate" } ], "quote": "In Zunyi, Viṣṇudamanaka Caturdaśī 2090 falls on Thursday 13 April. Caturdaśī runs from 23:36 on Wed 12 Apr to 20:26 on Thu 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31439, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2090-04-14T21:44:15+08:00", "utc": "2090-04-14T13:44:15Z", "ms": 3795860654897.7563 }, "end": { "local": "2090-05-15T18:29:19+08:00", "utc": "2090-05-15T10:29:19Z", "ms": 3798527358999.8623 } }, "span": { "of": "transit", "start": { "local": "2090-04-14T21:44:15+08:00", "utc": "2090-04-14T13:44:15Z", "ms": 3795860654897.7563 }, "end": { "local": "2090-04-14T21:44:15+08:00", "utc": "2090-04-14T13:44:15Z", "ms": 3795860654897.7563 } }, "kaala": "day", "days": [ { "local_date": "2090-04-14", "window": { "start": { "local": "2090-04-14T06:29:15+08:00", "utc": "2090-04-13T22:29:15Z", "ms": 3795805755407.4546 }, "end": { "local": "2090-04-15T06:28:14+08:00", "utc": "2090-04-14T22:28:14Z", "ms": 3795892094000.9194 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2090-04-15", "window": { "start": { "local": "2090-04-15T06:28:14+08:00", "utc": "2090-04-14T22:28:14Z", "ms": 3795892094000.9194 }, "end": { "local": "2090-04-16T06:27:13+08:00", "utc": "2090-04-15T22:27:13Z", "ms": 3795978433181.8696 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 21:44 on Fri 14 Apr.", "fact": "2090-04-14T13:44:15Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:29 on the 14th, and from 06:28 on the 15th.", "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 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 sunrise → only-day · margin 31439 s" }, { "step": "ruling", "text": "Vaiśākhī, Zunyi, 2090: Friday 14 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": "2090-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2090-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2090-04-15", "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, Vaiśākhī 2090 falls on Friday 14 April. The Sun enters Meṣa at 21:44 on Fri 14 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 April.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14789, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-04-13T20:25:48+08:00", "utc": "2090-04-13T12:25:48Z", "ms": 3795769548351.299 }, "end": { "local": "2090-04-14T17:23:36+08:00", "utc": "2090-04-14T09:23:36Z", "ms": 3795845015532.197 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2090-04-13T20:25:48+08:00", "utc": "2090-04-13T12:25:48Z", "ms": 3795769548351.299 }, "end": { "local": "2090-04-14T17:23:36+08:00", "utc": "2090-04-14T09:23:36Z", "ms": 3795845015532.197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-04-13", "window": { "start": { "local": "2090-04-13T12:29:22+08:00", "utc": "2090-04-13T04:29:22Z", "ms": 3795740961796.8994 }, "end": { "local": "2090-04-13T13:17:22+08:00", "utc": "2090-04-13T05:17:22Z", "ms": 3795743841796.8994 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-04-14", "window": { "start": { "local": "2090-04-14T12:29:07+08:00", "utc": "2090-04-14T04:29:07Z", "ms": 3795827346962.1777 }, "end": { "local": "2090-04-14T13:17:07+08:00", "utc": "2090-04-14T05:17:07Z", "ms": 3795830226962.1777 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:26 on Thu 13 Apr to 17:24 on Fri 14 Apr.", "fact": "2090-04-13T12:25:48Z → 2090-04-14T09:23:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 13th, 12:29–13:17 on the 14th.", "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 13th and 48 of 48 on the 14th.", "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 14789 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Zunyi, 2090: Friday 14 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": "2090-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-14", "confidence": "determinate" } ], "quote": "In Zunyi, Caitrī Pūrṇimā 2090 falls on Friday 14 April. Pūrṇimā runs from 20:26 on Thu 13 Apr to 17:24 on Fri 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-04-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39913, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-04-17T10:33:58+08:00", "utc": "2090-04-17T02:33:58Z", "ms": 3796079637970.03 }, "end": { "local": "2090-04-18T09:30:07+08:00", "utc": "2090-04-18T01:30:07Z", "ms": 3796162207317.1963 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-04-17T10:33:58+08:00", "utc": "2090-04-17T02:33:58Z", "ms": 3796079637970.03 }, "end": { "local": "2090-04-18T09:30:07+08:00", "utc": "2090-04-18T01:30:07Z", "ms": 3796162207317.1963 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-04-16", "window": { "start": { "local": "2090-04-16T21:25:27+08:00", "utc": "2090-04-16T13:25:27Z", "ms": 3796032326505.3364 }, "end": { "local": "2090-04-16T21:25:27+08:00", "utc": "2090-04-16T13:25:27Z", "ms": 3796032326505.3364 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-04-17", "window": { "start": { "local": "2090-04-17T22:24:54+08:00", "utc": "2090-04-17T14:24:54Z", "ms": 3796122294117.762 }, "end": { "local": "2090-04-17T22:24:54+08:00", "utc": "2090-04-17T14:24:54Z", "ms": 3796122294117.762 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:34 on Mon 17 Apr to 09:30 on Tue 18 Apr.", "fact": "2090-04-17T02:33:58Z → 2090-04-18T01:30:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:25 on the 16th and 22:25 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39913 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Monday 17 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": "2090-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-17", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Monday 17 April. Caturthī runs from 10:34 on Mon 17 Apr to 09:30 on Tue 18 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-04-17", "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/2090/ekadashi?on=2090-04-25", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35545, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-04-24T17:50:05+08:00", "utc": "2090-04-24T09:50:05Z", "ms": 3796710604571.3335 }, "end": { "local": "2090-04-25T20:25:19+08:00", "utc": "2090-04-25T12:25:19Z", "ms": 3796806318786.51 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-04-24T17:50:05+08:00", "utc": "2090-04-24T09:50:05Z", "ms": 3796710604571.3335 }, "end": { "local": "2090-04-25T20:25:19+08:00", "utc": "2090-04-25T12:25:19Z", "ms": 3796806318786.51 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-04-25", "window": { "start": { "local": "2090-04-25T06:18:37+08:00", "utc": "2090-04-24T22:18:37Z", "ms": 3796755516801.6826 }, "end": { "local": "2090-04-25T06:18:37+08:00", "utc": "2090-04-24T22:18:37Z", "ms": 3796755516801.6826 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-04-26", "window": { "start": { "local": "2090-04-26T06:17:43+08:00", "utc": "2090-04-25T22:17:43Z", "ms": 3796841863332.3794 }, "end": { "local": "2090-04-26T06:17:43+08:00", "utc": "2090-04-25T22:17:43Z", "ms": 3796841863332.3794 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:50 on Mon 24 Apr to 20:25 on Tue 25 Apr.", "fact": "2090-04-24T09:50:05Z → 2090-04-25T12:25:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 25th and 06:18 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 35545 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Zunyi, 2090: Tuesday 25 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": "2090-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-25", "confidence": "determinate" } ], "quote": "In Zunyi, Varūthinī Ekādaśī 2090 falls on Tuesday 25 April. Ekādaśī runs from 17:50 on Mon 24 Apr to 20:25 on Tue 25 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-04-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6994, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-04-26T22:47:17+08:00", "utc": "2090-04-26T14:47:17Z", "ms": 3796901236801.2646 }, "end": { "local": "2090-04-28T00:46:10+08:00", "utc": "2090-04-27T16:46:10Z", "ms": 3796994769972.1626 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-04-26T22:47:17+08:00", "utc": "2090-04-26T14:47:17Z", "ms": 3796901236801.2646 }, "end": { "local": "2090-04-28T00:46:10+08:00", "utc": "2090-04-27T16:46:10Z", "ms": 3796994769972.1626 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-04-26", "window": { "start": { "local": "2090-04-26T19:23:38+08:00", "utc": "2090-04-26T11:23:38Z", "ms": 3796889017539.714 }, "end": { "local": "2090-04-26T20:50:43+08:00", "utc": "2090-04-26T12:50:43Z", "ms": 3796894243298.26 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2090-04-27", "window": { "start": { "local": "2090-04-27T19:24:12+08:00", "utc": "2090-04-27T11:24:12Z", "ms": 3796975451795.07 }, "end": { "local": "2090-04-27T20:51:06+08:00", "utc": "2090-04-27T12:51:06Z", "ms": 3796980666090.642 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:47 on Wed 26 Apr to 00:46 on Fri 28 Apr.", "fact": "2090-04-26T14:47:17Z → 2090-04-27T16:46:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:24–20:51 on the 26th, 19:24–20:51 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 26th and 87 of 87 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6994 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Thursday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-27", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Thursday 27 April. Trayodaśī runs from 22:47 on Wed 26 Apr to 00:46 on Fri 28 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-04-27", "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/2090/shivaratri?on=2090-04-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-04-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1205, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-04-28T00:46:10+08:00", "utc": "2090-04-27T16:46:10Z", "ms": 3796994769972.1626 }, "end": { "local": "2090-04-29T02:15:50+08:00", "utc": "2090-04-28T18:15:50Z", "ms": 3797086550105.1743 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-04-28T00:46:10+08:00", "utc": "2090-04-27T16:46:10Z", "ms": 3796994769972.1626 }, "end": { "local": "2090-04-29T02:15:50+08:00", "utc": "2090-04-28T18:15:50Z", "ms": 3797086550105.1743 } }, "kaala": "nishita", "days": [ { "local_date": "2090-04-27", "window": { "start": { "local": "2090-04-28T00:26:05+08:00", "utc": "2090-04-27T16:26:05Z", "ms": 3796993565403.4663 }, "end": { "local": "2090-04-28T01:14:05+08:00", "utc": "2090-04-27T17:14:05Z", "ms": 3796996445403.4663 } }, "covered_min": 28, "window_min": 48, "qualifies": true }, { "local_date": "2090-04-28", "window": { "start": { "local": "2090-04-29T00:25:57+08:00", "utc": "2090-04-28T16:25:57Z", "ms": 3797079957194.622 }, "end": { "local": "2090-04-29T01:13:57+08:00", "utc": "2090-04-28T17:13:57Z", "ms": 3797082837194.622 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:46 on Fri 28 Apr to 02:16 on Sat 29 Apr.", "fact": "2090-04-27T16:46:10Z → 2090-04-28T18:15:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 27th, 00:26–01:14 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 28 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1205 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Friday 28 April.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-04-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-04-28", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Friday 28 April. Caturdaśī runs from 00:46 on Fri 28 Apr to 02:16 on Sat 29 Apr and covers all of niśītha that night. It also reaches the previous night for 28 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/2090/shivaratri?on=2090-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9388, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-05-02T03:36:13+08:00", "utc": "2090-05-01T19:36:13Z", "ms": 3797350573243.8755 }, "end": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-02T03:36:13+08:00", "utc": "2090-05-01T19:36:13Z", "ms": 3797350573243.8755 }, "end": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 } }, "kaala": "purvahna", "days": [ { "local_date": "2090-05-02", "window": { "start": { "local": "2090-05-02T06:12:41+08:00", "utc": "2090-05-01T22:12:41Z", "ms": 3797359961402.5654 }, "end": { "local": "2090-05-02T10:37:29+08:00", "utc": "2090-05-02T02:37:29Z", "ms": 3797375849247.226 } }, "covered_min": 265, "window_min": 265, "qualifies": true }, { "local_date": "2090-05-03", "window": { "start": { "local": "2090-05-03T06:11:54+08:00", "utc": "2090-05-02T22:11:54Z", "ms": 3797446314407.377 }, "end": { "local": "2090-05-03T10:37:10+08:00", "utc": "2090-05-03T02:37:10Z", "ms": 3797462229558.209 } }, "covered_min": 0, "window_min": 265, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:36 on Tue 2 May to 03:06 on Wed 3 May.", "fact": "2090-05-01T19:36:13Z → 2090-05-02T19:06:01Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:13–10:37 on the 2nd, 06:12–10:37 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 265 of 265 minutes on the 2nd and 0 of 265 on the 3rd.", "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 9388 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Zunyi, 2090: Tuesday 2 May.", "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": "2090-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-02", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Tṛtīyā 2090 falls on Tuesday 2 May. Tṛtīyā runs from 03:36 on Tue 2 May to 03:06 on Wed 3 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22377, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-05-02T03:36:13+08:00", "utc": "2090-05-01T19:36:13Z", "ms": 3797350573243.8755 }, "end": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-02T03:36:13+08:00", "utc": "2090-05-01T19:36:13Z", "ms": 3797350573243.8755 }, "end": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-05-01", "window": { "start": { "local": "2090-05-01T19:26:30+08:00", "utc": "2090-05-01T11:26:30Z", "ms": 3797321190094.8135 }, "end": { "local": "2090-05-01T20:52:40+08:00", "utc": "2090-05-01T12:52:40Z", "ms": 3797326359602.5137 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2090-05-02", "window": { "start": { "local": "2090-05-02T19:27:05+08:00", "utc": "2090-05-02T11:27:05Z", "ms": 3797407624936.5474 }, "end": { "local": "2090-05-02T20:53:04+08:00", "utc": "2090-05-02T12:53:04Z", "ms": 3797412783532.658 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:36 on Tue 2 May to 03:06 on Wed 3 May.", "fact": "2090-05-01T19:36:13Z → 2090-05-02T19:06:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:53 on the 1st, 19:27–20:53 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 86 minutes on the 1st and 86 of 86 on the 2nd.", "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 22377 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Zunyi, 2090: Tuesday 2 May.", "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": "2090-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-02", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Jayantī 2090 falls on Tuesday 2 May. Tṛtīyā runs from 03:36 on Tue 2 May to 03:06 on Wed 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-05-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33586, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 }, "end": { "local": "2090-05-04T02:12:25+08:00", "utc": "2090-05-03T18:12:25Z", "ms": 3797518345247.95 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-03T03:06:01+08:00", "utc": "2090-05-02T19:06:01Z", "ms": 3797435160883.387 }, "end": { "local": "2090-05-04T02:12:25+08:00", "utc": "2090-05-03T18:12:25Z", "ms": 3797518345247.95 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-03", "window": { "start": { "local": "2090-05-03T12:25:47+08:00", "utc": "2090-05-03T04:25:47Z", "ms": 3797468747133.625 }, "end": { "local": "2090-05-03T13:13:47+08:00", "utc": "2090-05-03T05:13:47Z", "ms": 3797471627133.625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-04", "window": { "start": { "local": "2090-05-04T12:25:42+08:00", "utc": "2090-05-04T04:25:42Z", "ms": 3797555141630.668 }, "end": { "local": "2090-05-04T13:13:42+08:00", "utc": "2090-05-04T05:13:42Z", "ms": 3797558021630.668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:06 on Wed 3 May to 02:12 on Thu 4 May.", "fact": "2090-05-02T19:06:01Z → 2090-05-03T18:12:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 3rd, 12:26–13:14 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33586 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Wednesday 3 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": "2090-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-03", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Wednesday 3 May. Caturthī runs from 03:06 on Wed 3 May to 02:12 on Thu 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36796, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-05-04T02:12:25+08:00", "utc": "2090-05-03T18:12:25Z", "ms": 3797518345247.95 }, "end": { "local": "2090-05-05T00:58:28+08:00", "utc": "2090-05-04T16:58:28Z", "ms": 3797600308400.957 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-04T02:12:25+08:00", "utc": "2090-05-03T18:12:25Z", "ms": 3797518345247.95 }, "end": { "local": "2090-05-05T00:58:28+08:00", "utc": "2090-05-04T16:58:28Z", "ms": 3797600308400.957 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-04", "window": { "start": { "local": "2090-05-04T12:25:42+08:00", "utc": "2090-05-04T04:25:42Z", "ms": 3797555141630.668 }, "end": { "local": "2090-05-04T13:13:42+08:00", "utc": "2090-05-04T05:13:42Z", "ms": 3797558021630.668 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-05", "window": { "start": { "local": "2090-05-05T12:25:37+08:00", "utc": "2090-05-05T04:25:37Z", "ms": 3797641536662.2227 }, "end": { "local": "2090-05-05T13:13:37+08:00", "utc": "2090-05-05T05:13:37Z", "ms": 3797644416662.2227 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:12 on Thu 4 May to 00:58 on Fri 5 May.", "fact": "2090-05-03T18:12:25Z → 2090-05-04T16:58:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 4th, 12:26–13:14 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36796 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Zunyi, 2090: Thursday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śaṅkara Jayantī 2090 falls on Thursday 4 May. Pañcamī runs from 02:12 on Thu 4 May to 00:58 on Fri 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30343, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-05-05T23:26:44+08:00", "utc": "2090-05-05T15:26:44Z", "ms": 3797681203678.6543 }, "end": { "local": "2090-05-06T21:39:15+08:00", "utc": "2090-05-06T13:39:15Z", "ms": 3797761155402.171 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-05T23:26:44+08:00", "utc": "2090-05-05T15:26:44Z", "ms": 3797681203678.6543 }, "end": { "local": "2090-05-06T21:39:15+08:00", "utc": "2090-05-06T13:39:15Z", "ms": 3797761155402.171 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-05", "window": { "start": { "local": "2090-05-05T12:25:37+08:00", "utc": "2090-05-05T04:25:37Z", "ms": 3797641536662.2227 }, "end": { "local": "2090-05-05T13:13:37+08:00", "utc": "2090-05-05T05:13:37Z", "ms": 3797644416662.2227 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-05-06", "window": { "start": { "local": "2090-05-06T12:25:32+08:00", "utc": "2090-05-06T04:25:32Z", "ms": 3797727932229.8516 }, "end": { "local": "2090-05-06T13:13:32+08:00", "utc": "2090-05-06T05:13:32Z", "ms": 3797730812229.8516 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:27 on Fri 5 May to 21:39 on Sat 6 May.", "fact": "2090-05-05T15:26:44Z → 2090-05-06T13:39:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 5th, 12:26–13:14 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30343 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Zunyi, 2090: Saturday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-06", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṅgotpatti (Ganga Saptami) 2090 falls on Saturday 6 May. Saptamī runs from 23:27 on Fri 5 May to 21:39 on Sat 6 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-05-10", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23040, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-05-09T15:01:00+08:00", "utc": "2090-05-09T07:01:00Z", "ms": 3797996459587.8613 }, "end": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-09T15:01:00+08:00", "utc": "2090-05-09T07:01:00Z", "ms": 3797996459587.8613 }, "end": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-05-09", "window": { "start": { "local": "2090-05-09T06:07:34+08:00", "utc": "2090-05-08T22:07:34Z", "ms": 3797964454029.1885 }, "end": { "local": "2090-05-09T06:07:34+08:00", "utc": "2090-05-08T22:07:34Z", "ms": 3797964454029.1885 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-05-10", "window": { "start": { "local": "2090-05-10T06:06:54+08:00", "utc": "2090-05-09T22:06:54Z", "ms": 3798050814403.7104 }, "end": { "local": "2090-05-10T06:06:54+08:00", "utc": "2090-05-09T22:06:54Z", "ms": 3798050814403.7104 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:01 on Tue 9 May to 12:31 on Wed 10 May.", "fact": "2090-05-09T07:01:00Z → 2090-05-10T04:30:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 9th and 06:07 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23040 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Zunyi, 2090: Wednesday 10 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": "2090-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-10", "confidence": "determinate" } ], "quote": "In Zunyi, Mohinī Ekādaśī 2090 falls on Wednesday 10 May. Ekādaśī runs from 15:01 on Tue 9 May to 12:31 on Wed 10 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-05-10", "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/2090/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 334, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 }, "end": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 }, "end": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-10", "window": { "start": { "local": "2090-05-10T12:25:20+08:00", "utc": "2090-05-10T04:25:20Z", "ms": 3798073519904.5444 }, "end": { "local": "2090-05-10T13:13:20+08:00", "utc": "2090-05-10T05:13:20Z", "ms": 3798076399904.5444 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-11", "window": { "start": { "local": "2090-05-11T12:25:18+08:00", "utc": "2090-05-11T04:25:18Z", "ms": 3798159918189.499 }, "end": { "local": "2090-05-11T13:13:18+08:00", "utc": "2090-05-11T05:13:18Z", "ms": 3798162798189.499 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:31 on Wed 10 May to 09:58 on Thu 11 May.", "fact": "2090-05-10T04:30:54Z → 2090-05-11T01:58:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 10th, 12:25–13:13 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 42 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 334 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Zunyi, 2090: Wednesday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-10", "confidence": "determinate" } ], "quote": "In Zunyi, Paraśurāma Dvādaśī 2090 falls on Wednesday 10 May. Dvādaśī runs from 12:31 on Wed 10 May to 09:58 on Thu 11 May and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 334, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 }, "end": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-10T12:30:54+08:00", "utc": "2090-05-10T04:30:54Z", "ms": 3798073854338.9424 }, "end": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-10", "window": { "start": { "local": "2090-05-10T12:25:20+08:00", "utc": "2090-05-10T04:25:20Z", "ms": 3798073519904.5444 }, "end": { "local": "2090-05-10T13:13:20+08:00", "utc": "2090-05-10T05:13:20Z", "ms": 3798076399904.5444 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-11", "window": { "start": { "local": "2090-05-11T12:25:18+08:00", "utc": "2090-05-11T04:25:18Z", "ms": 3798159918189.499 }, "end": { "local": "2090-05-11T13:13:18+08:00", "utc": "2090-05-11T05:13:18Z", "ms": 3798162798189.499 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:31 on Wed 10 May to 09:58 on Thu 11 May.", "fact": "2090-05-10T04:30:54Z → 2090-05-11T01:58:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 10th, 12:25–13:13 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 42 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 334 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Zunyi, 2090: Wednesday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-10", "confidence": "determinate" } ], "quote": "In Zunyi, Rukmiṇī Dvādaśī 2090 falls on Wednesday 10 May. Dvādaśī runs from 12:31 on Wed 10 May to 09:58 on Thu 11 May and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-05-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34449, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 }, "end": { "local": "2090-05-12T07:28:09+08:00", "utc": "2090-05-11T23:28:09Z", "ms": 3798228489083.07 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-11T09:58:12+08:00", "utc": "2090-05-11T01:58:12Z", "ms": 3798151091817.65 }, "end": { "local": "2090-05-12T07:28:09+08:00", "utc": "2090-05-11T23:28:09Z", "ms": 3798228489083.07 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-05-11", "window": { "start": { "local": "2090-05-11T19:32:20+08:00", "utc": "2090-05-11T11:32:20Z", "ms": 3798185540471.829 }, "end": { "local": "2090-05-11T20:56:47+08:00", "utc": "2090-05-11T12:56:47Z", "ms": 3798190606883.512 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2090-05-12", "window": { "start": { "local": "2090-05-12T19:32:55+08:00", "utc": "2090-05-12T11:32:55Z", "ms": 3798271975497.387 }, "end": { "local": "2090-05-12T20:57:12+08:00", "utc": "2090-05-12T12:57:12Z", "ms": 3798277032415.113 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:58 on Thu 11 May to 07:28 on Fri 12 May.", "fact": "2090-05-11T01:58:12Z → 2090-05-11T23:28:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:32–20:57 on the 11th, 19:33–20:57 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 84 of 84 minutes on the 11th and 0 of 84 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 34449 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Thursday 11 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": "2090-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-11", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Thursday 11 May. Trayodaśī runs from 09:58 on Thu 11 May to 07:28 on Fri 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29397, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-05-12T07:28:09+08:00", "utc": "2090-05-11T23:28:09Z", "ms": 3798228489083.07 }, "end": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-12T07:28:09+08:00", "utc": "2090-05-11T23:28:09Z", "ms": 3798228489083.07 }, "end": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-05-11", "window": { "start": { "local": "2090-05-11T19:32:20+08:00", "utc": "2090-05-11T11:32:20Z", "ms": 3798185540471.829 }, "end": { "local": "2090-05-11T20:56:47+08:00", "utc": "2090-05-11T12:56:47Z", "ms": 3798190606883.512 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2090-05-12", "window": { "start": { "local": "2090-05-12T19:32:55+08:00", "utc": "2090-05-12T11:32:55Z", "ms": 3798271975497.387 }, "end": { "local": "2090-05-12T20:57:12+08:00", "utc": "2090-05-12T12:57:12Z", "ms": 3798277032415.113 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:28 on Fri 12 May to 05:07 on Sat 13 May.", "fact": "2090-05-11T23:28:09Z → 2090-05-12T21:07:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:32–20:57 on the 11th, 19:33–20:57 on the 12th.", "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 84 minutes on the 11th and 84 of 84 on the 12th.", "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 29397 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Zunyi, 2090: Friday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-12", "confidence": "determinate" } ], "quote": "In Zunyi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2090 falls on Friday 12 May. Caturdaśī runs from 07:28 on Fri 12 May to 05:07 on Sat 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 }, "end": { "local": "2090-05-14T03:02:27+08:00", "utc": "2090-05-13T19:02:27Z", "ms": 3798385346683.9365 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 }, "end": { "local": "2090-05-14T03:02:27+08:00", "utc": "2090-05-13T19:02:27Z", "ms": 3798385346683.9365 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-13", "window": { "start": { "local": "2090-05-13T12:25:16+08:00", "utc": "2090-05-13T04:25:16Z", "ms": 3798332716425.0107 }, "end": { "local": "2090-05-13T13:13:16+08:00", "utc": "2090-05-13T05:13:16Z", "ms": 3798335596425.0107 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-14", "window": { "start": { "local": "2090-05-14T12:25:16+08:00", "utc": "2090-05-14T04:25:16Z", "ms": 3798419116382.38 }, "end": { "local": "2090-05-14T13:13:16+08:00", "utc": "2090-05-14T05:13:16Z", "ms": 3798421996382.38 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:07 on Sat 13 May to 03:02 on Sun 14 May.", "fact": "2090-05-12T21:07:09Z → 2090-05-13T19:02:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 13th, 12:25–13:13 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 26287 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Zunyi, 2090: Saturday 13 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": "2090-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-13", "confidence": "determinate" } ], "quote": "In Zunyi, Buddha Pūrṇimā 2090 falls on Saturday 13 May. Pūrṇimā runs from 05:07 on Sat 13 May to 03:02 on Sun 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26287, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 }, "end": { "local": "2090-05-14T03:02:27+08:00", "utc": "2090-05-13T19:02:27Z", "ms": 3798385346683.9365 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-13T05:07:09+08:00", "utc": "2090-05-12T21:07:09Z", "ms": 3798306429051.3726 }, "end": { "local": "2090-05-14T03:02:27+08:00", "utc": "2090-05-13T19:02:27Z", "ms": 3798385346683.9365 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-13", "window": { "start": { "local": "2090-05-13T12:25:16+08:00", "utc": "2090-05-13T04:25:16Z", "ms": 3798332716425.0107 }, "end": { "local": "2090-05-13T13:13:16+08:00", "utc": "2090-05-13T05:13:16Z", "ms": 3798335596425.0107 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-14", "window": { "start": { "local": "2090-05-14T12:25:16+08:00", "utc": "2090-05-14T04:25:16Z", "ms": 3798419116382.38 }, "end": { "local": "2090-05-14T13:13:16+08:00", "utc": "2090-05-14T05:13:16Z", "ms": 3798421996382.38 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:07 on Sat 13 May to 03:02 on Sun 14 May.", "fact": "2090-05-12T21:07:09Z → 2090-05-13T19:02:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 13th, 12:25–13:13 on the 14th.", "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 13th and 0 of 48 on the 14th.", "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 26287 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Zunyi, 2090: Saturday 13 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": "2090-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-13", "confidence": "determinate" } ], "quote": "In Zunyi, Sampat Gaurī Vrata 2090 falls on Saturday 13 May. Pūrṇimā runs from 05:07 on Sat 13 May to 03:02 on Sun 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-05-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3667, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-05-16T23:41:29+08:00", "utc": "2090-05-16T15:41:29Z", "ms": 3798632489322.8535 }, "end": { "local": "2090-05-17T23:52:56+08:00", "utc": "2090-05-17T15:52:56Z", "ms": 3798719576266.935 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-16T23:41:29+08:00", "utc": "2090-05-16T15:41:29Z", "ms": 3798632489322.8535 }, "end": { "local": "2090-05-17T23:52:56+08:00", "utc": "2090-05-17T15:52:56Z", "ms": 3798719576266.935 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-05-16", "window": { "start": { "local": "2090-05-16T22:01:27+08:00", "utc": "2090-05-16T14:01:27Z", "ms": 3798626486653.1206 }, "end": { "local": "2090-05-16T22:01:27+08:00", "utc": "2090-05-16T14:01:27Z", "ms": 3798626486653.1206 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-05-17", "window": { "start": { "local": "2090-05-17T22:51:49+08:00", "utc": "2090-05-17T14:51:49Z", "ms": 3798715909178.803 }, "end": { "local": "2090-05-17T22:51:49+08:00", "utc": "2090-05-17T14:51:49Z", "ms": 3798715909178.803 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:41 on Tue 16 May to 23:53 on Wed 17 May.", "fact": "2090-05-16T15:41:29Z → 2090-05-17T15:52:56Z" }, { "step": "kaala", "text": "Moonrise is at 22:01 on the 16th and 22:52 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3667 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Wednesday 17 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": "2090-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-17", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Wednesday 17 May. Caturthī runs from 23:41 on Tue 16 May to 23:53 on Wed 17 May and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-05-17", "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/2090/ekadashi?on=2090-05-25", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21293, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-05-24T11:54:40+08:00", "utc": "2090-05-24T03:54:40Z", "ms": 3799281279820.584 }, "end": { "local": "2090-05-25T13:51:46+08:00", "utc": "2090-05-25T05:51:46Z", "ms": 3799374705851.615 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-24T11:54:40+08:00", "utc": "2090-05-24T03:54:40Z", "ms": 3799281279820.584 }, "end": { "local": "2090-05-25T13:51:46+08:00", "utc": "2090-05-25T05:51:46Z", "ms": 3799374705851.615 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-05-24", "window": { "start": { "local": "2090-05-24T05:59:46+08:00", "utc": "2090-05-23T21:59:46Z", "ms": 3799259986367.4287 }, "end": { "local": "2090-05-24T05:59:46+08:00", "utc": "2090-05-23T21:59:46Z", "ms": 3799259986367.4287 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-05-25", "window": { "start": { "local": "2090-05-25T05:59:25+08:00", "utc": "2090-05-24T21:59:25Z", "ms": 3799346365413.6123 }, "end": { "local": "2090-05-25T05:59:25+08:00", "utc": "2090-05-24T21:59:25Z", "ms": 3799346365413.6123 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:55 on Wed 24 May to 13:52 on Thu 25 May.", "fact": "2090-05-24T03:54:40Z → 2090-05-25T05:51:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 24th and 05:59 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21293 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Zunyi, 2090: Thursday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-25", "confidence": "determinate" } ], "quote": "In Zunyi, Aparā Ekādaśī 2090 falls on Thursday 25 May. Ekādaśī runs from 11:55 on Wed 24 May to 13:52 on Thu 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-05-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13366, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-05-26T15:14:42+08:00", "utc": "2090-05-26T07:14:42Z", "ms": 3799466081947.061 }, "end": { "local": "2090-05-27T15:58:38+08:00", "utc": "2090-05-27T07:58:38Z", "ms": 3799555118052.582 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-26T15:14:42+08:00", "utc": "2090-05-26T07:14:42Z", "ms": 3799466081947.061 }, "end": { "local": "2090-05-27T15:58:38+08:00", "utc": "2090-05-27T07:58:38Z", "ms": 3799555118052.582 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-05-26", "window": { "start": { "local": "2090-05-26T19:40:52+08:00", "utc": "2090-05-26T11:40:52Z", "ms": 3799482052241.903 }, "end": { "local": "2090-05-26T21:03:16+08:00", "utc": "2090-05-26T13:03:16Z", "ms": 3799486995608.5396 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2090-05-27", "window": { "start": { "local": "2090-05-27T19:41:24+08:00", "utc": "2090-05-27T11:41:24Z", "ms": 3799568484416.097 }, "end": { "local": "2090-05-27T21:03:41+08:00", "utc": "2090-05-27T13:03:41Z", "ms": 3799573421230.7173 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:15 on Fri 26 May to 15:59 on Sat 27 May.", "fact": "2090-05-26T07:14:42Z → 2090-05-27T07:58:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:41–21:03 on the 26th, 19:41–21:04 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 82 of 82 minutes on the 26th and 0 of 82 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 13366 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Friday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-26", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Friday 26 May. Trayodaśī runs from 15:15 on Fri 26 May to 15:59 on Sat 27 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-05-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30178, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-05-27T15:58:38+08:00", "utc": "2090-05-27T07:58:38Z", "ms": 3799555118052.582 }, "end": { "local": "2090-05-28T16:03:07+08:00", "utc": "2090-05-28T08:03:07Z", "ms": 3799641787255.8164 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-27T15:58:38+08:00", "utc": "2090-05-27T07:58:38Z", "ms": 3799555118052.582 }, "end": { "local": "2090-05-28T16:03:07+08:00", "utc": "2090-05-28T08:03:07Z", "ms": 3799641787255.8164 } }, "kaala": "nishita", "days": [ { "local_date": "2090-05-27", "window": { "start": { "local": "2090-05-28T00:25:57+08:00", "utc": "2090-05-27T16:25:57Z", "ms": 3799585557470.922 }, "end": { "local": "2090-05-28T01:13:57+08:00", "utc": "2090-05-27T17:13:57Z", "ms": 3799588437470.922 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-05-28", "window": { "start": { "local": "2090-05-29T00:26:06+08:00", "utc": "2090-05-28T16:26:06Z", "ms": 3799671965539.045 }, "end": { "local": "2090-05-29T01:14:06+08:00", "utc": "2090-05-28T17:14:06Z", "ms": 3799674845539.045 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:59 on Sat 27 May to 16:03 on Sun 28 May.", "fact": "2090-05-27T07:58:38Z → 2090-05-28T08:03:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 27th, 00:26–01:14 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30178 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Saturday 27 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": "2090-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-27", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Saturday 27 May. Caturdaśī runs from 15:59 on Sat 27 May to 16:03 on Sun 28 May and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-05-27", "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/2090/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 888, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-05-31T12:59:50+08:00", "utc": "2090-05-31T04:59:50Z", "ms": 3799889989936.4473 }, "end": { "local": "2090-06-01T11:13:27+08:00", "utc": "2090-06-01T03:13:27Z", "ms": 3799970006835.262 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-05-31T12:59:50+08:00", "utc": "2090-05-31T04:59:50Z", "ms": 3799889989936.4473 }, "end": { "local": "2090-06-01T11:13:27+08:00", "utc": "2090-06-01T03:13:27Z", "ms": 3799970006835.262 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-05-31", "window": { "start": { "local": "2090-05-31T12:26:38+08:00", "utc": "2090-05-31T04:26:38Z", "ms": 3799887998178.0166 }, "end": { "local": "2090-05-31T13:14:38+08:00", "utc": "2090-05-31T05:14:38Z", "ms": 3799890878178.0166 } }, "covered_min": 15, "window_min": 48, "qualifies": true }, { "local_date": "2090-06-01", "window": { "start": { "local": "2090-06-01T12:26:47+08:00", "utc": "2090-06-01T04:26:47Z", "ms": 3799974407255.384 }, "end": { "local": "2090-06-01T13:14:47+08:00", "utc": "2090-06-01T05:14:47Z", "ms": 3799977287255.384 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:00 on Wed 31 May to 11:13 on Thu 1 Jun.", "fact": "2090-05-31T04:59:50Z → 2090-06-01T03:13:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 31st, 12:27–13:15 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 15 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 888 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Zunyi, 2090: Wednesday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-05-31", "confidence": "determinate" } ], "quote": "In Zunyi, Rambhā Tṛtīyā 2090 falls on Wednesday 31 May. Tṛtīyā runs from 13:00 on Wed 31 May to 11:13 on Thu 1 Jun and covers 15 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-06-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4400, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-06-01T11:13:27+08:00", "utc": "2090-06-01T03:13:27Z", "ms": 3799970006835.262 }, "end": { "local": "2090-06-02T09:14:51+08:00", "utc": "2090-06-02T01:14:51Z", "ms": 3800049291017.976 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-01T11:13:27+08:00", "utc": "2090-06-01T03:13:27Z", "ms": 3799970006835.262 }, "end": { "local": "2090-06-02T09:14:51+08:00", "utc": "2090-06-02T01:14:51Z", "ms": 3800049291017.976 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-01", "window": { "start": { "local": "2090-06-01T12:26:47+08:00", "utc": "2090-06-01T04:26:47Z", "ms": 3799974407255.384 }, "end": { "local": "2090-06-01T13:14:47+08:00", "utc": "2090-06-01T05:14:47Z", "ms": 3799977287255.384 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-06-02", "window": { "start": { "local": "2090-06-02T12:26:57+08:00", "utc": "2090-06-02T04:26:57Z", "ms": 3800060816700.1133 }, "end": { "local": "2090-06-02T13:14:57+08:00", "utc": "2090-06-02T05:14:57Z", "ms": 3800063696700.1133 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:13 on Thu 1 Jun to 09:15 on Fri 2 Jun.", "fact": "2090-06-01T03:13:27Z → 2090-06-02T01:14:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 1st, 12:27–13:15 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4400 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Thursday 1 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": "2090-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Thursday 1 June. Caturthī runs from 11:13 on Thu 1 Jun to 09:15 on Fri 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19076, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-06-03T07:09:10+08:00", "utc": "2090-06-02T23:09:10Z", "ms": 3800128150274.028 }, "end": { "local": "2090-06-04T05:00:21+08:00", "utc": "2090-06-03T21:00:21Z", "ms": 3800206821333.4106 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-03T07:09:10+08:00", "utc": "2090-06-02T23:09:10Z", "ms": 3800128150274.028 }, "end": { "local": "2090-06-04T05:00:21+08:00", "utc": "2090-06-03T21:00:21Z", "ms": 3800206821333.4106 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-03", "window": { "start": { "local": "2090-06-03T12:27:06+08:00", "utc": "2090-06-03T04:27:06Z", "ms": 3800147226491.204 }, "end": { "local": "2090-06-03T13:15:06+08:00", "utc": "2090-06-03T05:15:06Z", "ms": 3800150106491.204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-06-04", "window": { "start": { "local": "2090-06-04T12:27:17+08:00", "utc": "2090-06-04T04:27:17Z", "ms": 3800233636608.0137 }, "end": { "local": "2090-06-04T13:15:17+08:00", "utc": "2090-06-04T05:15:17Z", "ms": 3800236516608.0137 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:09 on Sat 3 Jun to 05:00 on Sun 4 Jun.", "fact": "2090-06-02T23:09:10Z → 2090-06-03T21:00:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 3rd, 12:27–13:15 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19076 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Zunyi, 2090: Saturday 3 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": "2090-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-03", "confidence": "determinate" } ], "quote": "In Zunyi, Araṇya Gaurī Vrata 2090 falls on Saturday 3 June. Ṣaṣṭhī runs from 07:09 on Sat 3 Jun to 05:00 on Sun 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19076, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-06-03T07:09:10+08:00", "utc": "2090-06-02T23:09:10Z", "ms": 3800128150274.028 }, "end": { "local": "2090-06-04T05:00:21+08:00", "utc": "2090-06-03T21:00:21Z", "ms": 3800206821333.4106 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-03T07:09:10+08:00", "utc": "2090-06-02T23:09:10Z", "ms": 3800128150274.028 }, "end": { "local": "2090-06-04T05:00:21+08:00", "utc": "2090-06-03T21:00:21Z", "ms": 3800206821333.4106 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-03", "window": { "start": { "local": "2090-06-03T12:27:06+08:00", "utc": "2090-06-03T04:27:06Z", "ms": 3800147226491.204 }, "end": { "local": "2090-06-03T13:15:06+08:00", "utc": "2090-06-03T05:15:06Z", "ms": 3800150106491.204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-06-04", "window": { "start": { "local": "2090-06-04T12:27:17+08:00", "utc": "2090-06-04T04:27:17Z", "ms": 3800233636608.0137 }, "end": { "local": "2090-06-04T13:15:17+08:00", "utc": "2090-06-04T05:15:17Z", "ms": 3800236516608.0137 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:09 on Sat 3 Jun to 05:00 on Sun 4 Jun.", "fact": "2090-06-02T23:09:10Z → 2090-06-03T21:00:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 3rd, 12:27–13:15 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19076 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Zunyi, 2090: Saturday 3 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": "2090-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-03", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2090 falls on Saturday 3 June. Ṣaṣṭhī runs from 07:09 on Sat 3 Jun to 05:00 on Sun 4 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-06-08", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33537, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-06-07T20:37:54+08:00", "utc": "2090-06-07T12:37:54Z", "ms": 3800522273838.404 }, "end": { "local": "2090-06-08T18:43:20+08:00", "utc": "2090-06-08T10:43:20Z", "ms": 3800601800126.269 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-07T20:37:54+08:00", "utc": "2090-06-07T12:37:54Z", "ms": 3800522273838.404 }, "end": { "local": "2090-06-08T18:43:20+08:00", "utc": "2090-06-08T10:43:20Z", "ms": 3800601800126.269 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-06-08", "window": { "start": { "local": "2090-06-08T05:56:50+08:00", "utc": "2090-06-07T21:56:50Z", "ms": 3800555810397.1724 }, "end": { "local": "2090-06-08T05:56:50+08:00", "utc": "2090-06-07T21:56:50Z", "ms": 3800555810397.1724 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-06-09", "window": { "start": { "local": "2090-06-09T05:56:49+08:00", "utc": "2090-06-08T21:56:49Z", "ms": 3800642208979.676 }, "end": { "local": "2090-06-09T05:56:49+08:00", "utc": "2090-06-08T21:56:49Z", "ms": 3800642208979.676 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:38 on Wed 7 Jun to 18:43 on Thu 8 Jun.", "fact": "2090-06-07T12:37:54Z → 2090-06-08T10:43:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 8th and 05:57 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33537 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Zunyi, 2090: Thursday 8 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": "2090-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-08", "confidence": "determinate" } ], "quote": "In Zunyi, Nirjalā Ekādaśī 2090 falls on Thursday 8 June. Ekādaśī runs from 20:38 on Wed 7 Jun to 18:43 on Thu 8 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13295, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-06-08T18:43:20+08:00", "utc": "2090-06-08T10:43:20Z", "ms": 3800601800126.269 }, "end": { "local": "2090-06-09T16:57:46+08:00", "utc": "2090-06-09T08:57:46Z", "ms": 3800681866172.8613 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-08T18:43:20+08:00", "utc": "2090-06-08T10:43:20Z", "ms": 3800601800126.269 }, "end": { "local": "2090-06-09T16:57:46+08:00", "utc": "2090-06-09T08:57:46Z", "ms": 3800681866172.8613 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-08", "window": { "start": { "local": "2090-06-08T12:28:00+08:00", "utc": "2090-06-08T04:28:00Z", "ms": 3800579279943.1855 }, "end": { "local": "2090-06-08T13:16:00+08:00", "utc": "2090-06-08T05:16:00Z", "ms": 3800582159943.1855 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-06-09", "window": { "start": { "local": "2090-06-09T12:28:11+08:00", "utc": "2090-06-09T04:28:11Z", "ms": 3800665691402.7686 }, "end": { "local": "2090-06-09T13:16:11+08:00", "utc": "2090-06-09T05:16:11Z", "ms": 3800668571402.7686 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:43 on Thu 8 Jun to 16:58 on Fri 9 Jun.", "fact": "2090-06-08T10:43:20Z → 2090-06-09T08:57:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 8th, 12:28–13:16 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13295 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Zunyi, 2090: Friday 9 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": "2090-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-09", "confidence": "determinate" } ], "quote": "In Zunyi, Śrī Rāma Dvādaśī 2090 falls on Friday 9 June. Dvādaśī runs from 18:43 on Thu 8 Jun to 16:58 on Fri 9 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-06-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10188, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-06-09T16:57:46+08:00", "utc": "2090-06-09T08:57:46Z", "ms": 3800681866172.8613 }, "end": { "local": "2090-06-10T15:25:11+08:00", "utc": "2090-06-10T07:25:11Z", "ms": 3800762710739.446 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-09T16:57:46+08:00", "utc": "2090-06-09T08:57:46Z", "ms": 3800681866172.8613 }, "end": { "local": "2090-06-10T15:25:11+08:00", "utc": "2090-06-10T07:25:11Z", "ms": 3800762710739.446 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-06-09", "window": { "start": { "local": "2090-06-09T19:47:34+08:00", "utc": "2090-06-09T11:47:34Z", "ms": 3800692053825.861 }, "end": { "local": "2090-06-09T21:08:48+08:00", "utc": "2090-06-09T13:08:48Z", "ms": 3800696927823.6343 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2090-06-10", "window": { "start": { "local": "2090-06-10T19:47:57+08:00", "utc": "2090-06-10T11:47:57Z", "ms": 3800778477346.7524 }, "end": { "local": "2090-06-10T21:09:08+08:00", "utc": "2090-06-10T13:09:08Z", "ms": 3800783348350.725 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:58 on Fri 9 Jun to 15:25 on Sat 10 Jun.", "fact": "2090-06-09T08:57:46Z → 2090-06-10T07:25:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:09 on the 9th, 19:48–21:09 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 81 of 81 minutes on the 9th and 0 of 81 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 10188 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Friday 9 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": "2090-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-09", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Friday 9 June. Trayodaśī runs from 16:58 on Fri 9 Jun to 15:25 on Sat 10 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-06-09", "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/2090/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20266, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-06-11T14:10:34+08:00", "utc": "2090-06-11T06:10:34Z", "ms": 3800844633992.1143 }, "end": { "local": "2090-06-12T13:19:36+08:00", "utc": "2090-06-12T05:19:36Z", "ms": 3800927976094.813 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-11T14:10:34+08:00", "utc": "2090-06-11T06:10:34Z", "ms": 3800844633992.1143 }, "end": { "local": "2090-06-12T13:19:36+08:00", "utc": "2090-06-12T05:19:36Z", "ms": 3800927976094.813 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-06-11", "window": { "start": { "local": "2090-06-11T19:48:20+08:00", "utc": "2090-06-11T11:48:20Z", "ms": 3800864900026.8506 }, "end": { "local": "2090-06-11T21:09:28+08:00", "utc": "2090-06-11T13:09:28Z", "ms": 3800869768312.8667 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2090-06-12", "window": { "start": { "local": "2090-06-12T19:48:42+08:00", "utc": "2090-06-12T11:48:42Z", "ms": 3800951321841.4927 }, "end": { "local": "2090-06-12T21:09:48+08:00", "utc": "2090-06-12T13:09:48Z", "ms": 3800956187687.2417 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:11 on Sun 11 Jun to 13:20 on Mon 12 Jun.", "fact": "2090-06-11T06:10:34Z → 2090-06-12T05:19:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:09 on the 11th, 19:49–21:10 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 81 of 81 minutes on the 11th and 0 of 81 on the 12th.", "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 20266 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Zunyi, 2090: Sunday 11 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": "2090-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-11", "confidence": "determinate" } ], "quote": "In Zunyi, Vaṭa Sāvitrī Vrata 2090 falls on Sunday 11 June. Pūrṇimā runs from 14:11 on Sun 11 Jun to 13:20 on Mon 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-06-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26936, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-06-15T14:00:20+08:00", "utc": "2090-06-15T06:00:20Z", "ms": 3801189620015.902 }, "end": { "local": "2090-06-16T15:26:55+08:00", "utc": "2090-06-16T07:26:55Z", "ms": 3801281215013.3193 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-15T14:00:20+08:00", "utc": "2090-06-15T06:00:20Z", "ms": 3801189620015.902 }, "end": { "local": "2090-06-16T15:26:55+08:00", "utc": "2090-06-16T07:26:55Z", "ms": 3801281215013.3193 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-06-15", "window": { "start": { "local": "2090-06-15T22:15:16+08:00", "utc": "2090-06-15T14:15:16Z", "ms": 3801219315741.5693 }, "end": { "local": "2090-06-15T22:15:16+08:00", "utc": "2090-06-15T14:15:16Z", "ms": 3801219315741.5693 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-06-16", "window": { "start": { "local": "2090-06-16T22:55:51+08:00", "utc": "2090-06-16T14:55:51Z", "ms": 3801308150718.311 }, "end": { "local": "2090-06-16T22:55:51+08:00", "utc": "2090-06-16T14:55:51Z", "ms": 3801308150718.311 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:00 on Thu 15 Jun to 15:27 on Fri 16 Jun.", "fact": "2090-06-15T06:00:20Z → 2090-06-16T07:26:55Z" }, { "step": "kaala", "text": "Moonrise is at 22:15 on the 15th and 22:56 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26936 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Thursday 15 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": "2090-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-15", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Thursday 15 June. Caturthī runs from 14:00 on Thu 15 Jun to 15:27 on Fri 16 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-06-15", "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/2090/ekadashi?on=2090-06-23", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2907, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-06-23T04:22:16+08:00", "utc": "2090-06-22T20:22:16Z", "ms": 3801846135822.28 }, "end": { "local": "2090-06-24T05:10:24+08:00", "utc": "2090-06-23T21:10:24Z", "ms": 3801935423657.7607 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-23T04:22:16+08:00", "utc": "2090-06-22T20:22:16Z", "ms": 3801846135822.28 }, "end": { "local": "2090-06-24T05:10:24+08:00", "utc": "2090-06-23T21:10:24Z", "ms": 3801935423657.7607 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-06-23", "window": { "start": { "local": "2090-06-23T05:58:34+08:00", "utc": "2090-06-22T21:58:34Z", "ms": 3801851914413.4917 }, "end": { "local": "2090-06-23T05:58:34+08:00", "utc": "2090-06-22T21:58:34Z", "ms": 3801851914413.4917 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-06-24", "window": { "start": { "local": "2090-06-24T05:58:50+08:00", "utc": "2090-06-23T21:58:50Z", "ms": 3801938330206.353 }, "end": { "local": "2090-06-24T05:58:50+08:00", "utc": "2090-06-23T21:58:50Z", "ms": 3801938330206.353 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:22 on Fri 23 Jun to 05:10 on Sat 24 Jun.", "fact": "2090-06-22T20:22:16Z → 2090-06-23T21:10:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 23rd and 05:59 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2907 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Zunyi, 2090: Friday 23 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": "2090-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-23", "confidence": "determinate" } ], "quote": "In Zunyi, Yoginī Ekādaśī 2090 falls on Friday 23 June. Ekādaśī runs from 04:22 on Fri 23 Jun to 05:10 on Sat 24 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-06-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26228, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-06-25T05:12:34+08:00", "utc": "2090-06-24T21:12:34Z", "ms": 3802021953712.5645 }, "end": { "local": "2090-06-26T04:30:04+08:00", "utc": "2090-06-25T20:30:04Z", "ms": 3802105803563.235 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-25T05:12:34+08:00", "utc": "2090-06-24T21:12:34Z", "ms": 3802021953712.5645 }, "end": { "local": "2090-06-26T04:30:04+08:00", "utc": "2090-06-25T20:30:04Z", "ms": 3802105803563.235 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-06-24", "window": { "start": { "local": "2090-06-24T19:51:47+08:00", "utc": "2090-06-24T11:51:47Z", "ms": 3801988307213.821 }, "end": { "local": "2090-06-24T21:12:46+08:00", "utc": "2090-06-24T13:12:46Z", "ms": 3801993165848.7944 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2090-06-25", "window": { "start": { "local": "2090-06-25T19:51:56+08:00", "utc": "2090-06-25T11:51:56Z", "ms": 3802074715569.7163 }, "end": { "local": "2090-06-25T21:12:55+08:00", "utc": "2090-06-25T13:12:55Z", "ms": 3802079575452.8066 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:13 on Sun 25 Jun to 04:30 on Mon 26 Jun.", "fact": "2090-06-24T21:12:34Z → 2090-06-25T20:30:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 24th, 19:52–21:13 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 81 minutes on the 24th and 81 of 81 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 26228 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Sunday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-25", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Sunday 25 June. Trayodaśī runs from 05:13 on Sun 25 Jun to 04:30 on Mon 26 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-06-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6471, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-06-26T04:30:04+08:00", "utc": "2090-06-25T20:30:04Z", "ms": 3802105803563.235 }, "end": { "local": "2090-06-27T03:07:44+08:00", "utc": "2090-06-26T19:07:44Z", "ms": 3802187264308.84 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-26T04:30:04+08:00", "utc": "2090-06-25T20:30:04Z", "ms": 3802105803563.235 }, "end": { "local": "2090-06-27T03:07:44+08:00", "utc": "2090-06-26T19:07:44Z", "ms": 3802187264308.84 } }, "kaala": "nishita", "days": [ { "local_date": "2090-06-25", "window": { "start": { "local": "2090-06-26T00:31:40+08:00", "utc": "2090-06-25T16:31:40Z", "ms": 3802091500131.3057 }, "end": { "local": "2090-06-26T01:19:40+08:00", "utc": "2090-06-25T17:19:40Z", "ms": 3802094380131.3057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-06-26", "window": { "start": { "local": "2090-06-27T00:31:53+08:00", "utc": "2090-06-26T16:31:53Z", "ms": 3802177913026.326 }, "end": { "local": "2090-06-27T01:19:53+08:00", "utc": "2090-06-26T17:19:53Z", "ms": 3802180793026.326 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:30 on Mon 26 Jun to 03:08 on Tue 27 Jun.", "fact": "2090-06-25T20:30:04Z → 2090-06-26T19:07:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 25th, 00:32–01:20 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6471 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Monday 26 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": "2090-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-26", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Monday 26 June. Caturdaśī runs from 04:30 on Mon 26 Jun to 03:08 on Tue 27 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-06-26", "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/2090/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25100, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2090-06-28T22:53:32+08:00", "utc": "2090-06-28T14:53:32Z", "ms": 3802344812068.8975 }, "end": { "local": "2090-06-29T20:18:40+08:00", "utc": "2090-06-29T12:18:40Z", "ms": 3802421919754.8706 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-28T22:53:32+08:00", "utc": "2090-06-28T14:53:32Z", "ms": 3802344812068.8975 }, "end": { "local": "2090-06-29T20:18:40+08:00", "utc": "2090-06-29T12:18:40Z", "ms": 3802421919754.8706 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-28", "window": { "start": { "local": "2090-06-28T12:32:08+08:00", "utc": "2090-06-28T04:32:08Z", "ms": 3802307528100.089 }, "end": { "local": "2090-06-28T13:20:08+08:00", "utc": "2090-06-28T05:20:08Z", "ms": 3802310408100.089 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-06-29", "window": { "start": { "local": "2090-06-29T12:32:20+08:00", "utc": "2090-06-29T04:32:20Z", "ms": 3802393939997.559 }, "end": { "local": "2090-06-29T13:20:20+08:00", "utc": "2090-06-29T05:20:20Z", "ms": 3802396819997.559 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:54 on Wed 28 Jun to 20:19 on Thu 29 Jun.", "fact": "2090-06-28T14:53:32Z → 2090-06-29T12:18:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 28th, 12:32–13:20 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25100 s" }, { "step": "ruling", "text": "Rathayātrā, Zunyi, 2090: Thursday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-06-29", "confidence": "determinate" } ], "quote": "In Zunyi, Rathayātrā 2090 falls on Thursday 29 June. Dvitīyā runs from 22:54 on Wed 28 Jun to 20:19 on Thu 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-07-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5595, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-06-30T17:36:23+08:00", "utc": "2090-06-30T09:36:23Z", "ms": 3802498582762.974 }, "end": { "local": "2090-07-01T14:53:58+08:00", "utc": "2090-07-01T06:53:58Z", "ms": 3802575238496.2227 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-06-30T17:36:23+08:00", "utc": "2090-06-30T09:36:23Z", "ms": 3802498582762.974 }, "end": { "local": "2090-07-01T14:53:58+08:00", "utc": "2090-07-01T06:53:58Z", "ms": 3802575238496.2227 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-06-30", "window": { "start": { "local": "2090-06-30T12:32:32+08:00", "utc": "2090-06-30T04:32:32Z", "ms": 3802480351659.95 }, "end": { "local": "2090-06-30T13:20:32+08:00", "utc": "2090-06-30T05:20:32Z", "ms": 3802483231659.95 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-07-01", "window": { "start": { "local": "2090-07-01T12:32:43+08:00", "utc": "2090-07-01T04:32:43Z", "ms": 3802566763060.51 }, "end": { "local": "2090-07-01T13:20:43+08:00", "utc": "2090-07-01T05:20:43Z", "ms": 3802569643060.51 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:36 on Fri 30 Jun to 14:54 on Sat 1 Jul.", "fact": "2090-06-30T09:36:23Z → 2090-07-01T06:53:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 30th, 12:33–13:21 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5595 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Saturday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-01", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Saturday 1 July. Caturthī runs from 17:36 on Fri 30 Jun to 14:54 on Sat 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 926, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-07-01T14:53:58+08:00", "utc": "2090-07-01T06:53:58Z", "ms": 3802575238496.2227 }, "end": { "local": "2090-07-02T12:17:28+08:00", "utc": "2090-07-02T04:17:28Z", "ms": 3802652248087.5293 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-01T14:53:58+08:00", "utc": "2090-07-01T06:53:58Z", "ms": 3802575238496.2227 }, "end": { "local": "2090-07-02T12:17:28+08:00", "utc": "2090-07-02T04:17:28Z", "ms": 3802652248087.5293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-01", "window": { "start": { "local": "2090-07-01T12:32:43+08:00", "utc": "2090-07-01T04:32:43Z", "ms": 3802566763060.51 }, "end": { "local": "2090-07-01T13:20:43+08:00", "utc": "2090-07-01T05:20:43Z", "ms": 3802569643060.51 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-07-02", "window": { "start": { "local": "2090-07-02T12:32:54+08:00", "utc": "2090-07-02T04:32:54Z", "ms": 3802653174173.7754 }, "end": { "local": "2090-07-02T13:20:54+08:00", "utc": "2090-07-02T05:20:54Z", "ms": 3802656054173.7754 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:54 on Sat 1 Jul to 12:17 on Sun 2 Jul.", "fact": "2090-07-01T06:53:58Z → 2090-07-02T04:17:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 1st, 12:33–13:21 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 926 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Zunyi, 2090: Sunday 2 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": "2090-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-02", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Pañcamī 2090 falls on Sunday 2 July. Pañcamī runs from 14:54 on Sat 1 Jul to 12:17 on Sun 2 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9699, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-07-03T09:51:26+08:00", "utc": "2090-07-03T01:51:26Z", "ms": 3802729886163.277 }, "end": { "local": "2090-07-04T07:39:02+08:00", "utc": "2090-07-03T23:39:02Z", "ms": 3802808341892.9785 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-03T09:51:26+08:00", "utc": "2090-07-03T01:51:26Z", "ms": 3802729886163.277 }, "end": { "local": "2090-07-04T07:39:02+08:00", "utc": "2090-07-03T23:39:02Z", "ms": 3802808341892.9785 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-03", "window": { "start": { "local": "2090-07-03T12:33:05+08:00", "utc": "2090-07-03T04:33:05Z", "ms": 3802739584976.0615 }, "end": { "local": "2090-07-03T13:21:05+08:00", "utc": "2090-07-03T05:21:05Z", "ms": 3802742464976.0615 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-07-04", "window": { "start": { "local": "2090-07-04T12:33:15+08:00", "utc": "2090-07-04T04:33:15Z", "ms": 3802825995445.199 }, "end": { "local": "2090-07-04T13:21:15+08:00", "utc": "2090-07-04T05:21:15Z", "ms": 3802828875445.199 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:51 on Mon 3 Jul to 07:39 on Tue 4 Jul.", "fact": "2090-07-03T01:51:26Z → 2090-07-03T23:39:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 3rd, 12:33–13:21 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9699 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Zunyi, 2090: Monday 3 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": "2090-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-03", "confidence": "determinate" } ], "quote": "In Zunyi, Vivasvat Saptamī 2090 falls on Monday 3 July. Saptamī runs from 09:51 on Mon 3 Jul to 07:39 on Tue 4 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-07-07", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12244, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-07-07T02:39:29+08:00", "utc": "2090-07-06T18:39:29Z", "ms": 3803049568936.7295 }, "end": { "local": "2090-07-08T01:35:25+08:00", "utc": "2090-07-07T17:35:25Z", "ms": 3803132125247.463 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-07T02:39:29+08:00", "utc": "2090-07-06T18:39:29Z", "ms": 3803049568936.7295 }, "end": { "local": "2090-07-08T01:35:25+08:00", "utc": "2090-07-07T17:35:25Z", "ms": 3803132125247.463 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-07-07", "window": { "start": { "local": "2090-07-07T06:03:33+08:00", "utc": "2090-07-06T22:03:33Z", "ms": 3803061812628.7207 }, "end": { "local": "2090-07-07T06:03:33+08:00", "utc": "2090-07-06T22:03:33Z", "ms": 3803061812628.7207 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-07-08", "window": { "start": { "local": "2090-07-08T06:03:59+08:00", "utc": "2090-07-07T22:03:59Z", "ms": 3803148239149.6914 }, "end": { "local": "2090-07-08T06:03:59+08:00", "utc": "2090-07-07T22:03:59Z", "ms": 3803148239149.6914 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:39 on Fri 7 Jul to 01:35 on Sat 8 Jul.", "fact": "2090-07-06T18:39:29Z → 2090-07-07T17:35:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 7th and 06:04 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12244 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Zunyi, 2090: Friday 7 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": "2090-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-07", "confidence": "determinate" } ], "quote": "In Zunyi, Hariśayanī Ekādaśī 2090 falls on Friday 7 July. Ekādaśī runs from 02:39 on Fri 7 Jul to 01:35 on Sat 8 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-07-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11781, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-07-09T00:51:26+08:00", "utc": "2090-07-08T16:51:26Z", "ms": 3803215886297.047 }, "end": { "local": "2090-07-10T00:29:45+08:00", "utc": "2090-07-09T16:29:45Z", "ms": 3803300985100.1123 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-09T00:51:26+08:00", "utc": "2090-07-08T16:51:26Z", "ms": 3803215886297.047 }, "end": { "local": "2090-07-10T00:29:45+08:00", "utc": "2090-07-09T16:29:45Z", "ms": 3803300985100.1123 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-07-08", "window": { "start": { "local": "2090-07-08T19:51:48+08:00", "utc": "2090-07-08T11:51:48Z", "ms": 3803197908078.822 }, "end": { "local": "2090-07-08T21:13:29+08:00", "utc": "2090-07-08T13:13:29Z", "ms": 3803202809162.457 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2090-07-09", "window": { "start": { "local": "2090-07-09T19:51:38+08:00", "utc": "2090-07-09T11:51:38Z", "ms": 3803284298091.3433 }, "end": { "local": "2090-07-09T21:13:24+08:00", "utc": "2090-07-09T13:13:24Z", "ms": 3803289204181.9893 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:51 on Sun 9 Jul to 00:30 on Mon 10 Jul.", "fact": "2090-07-08T16:51:26Z → 2090-07-09T16:29:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 8th, 19:52–21:13 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 8th and 82 of 82 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11781 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Sunday 9 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": "2090-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-09", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Sunday 9 July. Trayodaśī runs from 00:51 on Sun 9 Jul to 00:30 on Mon 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-07-09", "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/2090/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18098, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 } }, "kaala": "udaya-3", "days": [ { "local_date": "2090-07-11", "window": { "start": { "local": "2090-07-11T06:05:22+08:00", "utc": "2090-07-10T22:05:22Z", "ms": 3803407521818.8203 }, "end": { "local": "2090-07-11T08:50:32+08:00", "utc": "2090-07-11T00:50:32Z", "ms": 3803417432256.007 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "2090-07-12", "window": { "start": { "local": "2090-07-12T06:05:50+08:00", "utc": "2090-07-11T22:05:50Z", "ms": 3803493950323.245 }, "end": { "local": "2090-07-12T08:50:52+08:00", "utc": "2090-07-12T00:50:52Z", "ms": 3803503852240.512 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul.", "fact": "2090-07-10T16:33:05Z → 2090-07-11T17:04:12Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:05–08:51 on the 11th, 06:06–08:51 on the 12th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 165 of 165 minutes on the 11th and 0 of 165 on the 12th.", "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 18098 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Zunyi, 2090: Tuesday 11 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": "2090-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Vyāsa Pūjā 2090 falls on Tuesday 11 July. Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40255, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-10", "window": { "start": { "local": "2090-07-10T12:34:10+08:00", "utc": "2090-07-10T04:34:10Z", "ms": 3803344450252.008 }, "end": { "local": "2090-07-10T13:22:10+08:00", "utc": "2090-07-10T05:22:10Z", "ms": 3803347330252.008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-07-11", "window": { "start": { "local": "2090-07-11T12:34:18+08:00", "utc": "2090-07-11T04:34:18Z", "ms": 3803430857911.787 }, "end": { "local": "2090-07-11T13:22:18+08:00", "utc": "2090-07-11T05:22:18Z", "ms": 3803433737911.787 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul.", "fact": "2090-07-10T16:33:05Z → 2090-07-11T17:04:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 10th, 12:34–13:22 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40255 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Zunyi, 2090: Tuesday 11 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": "2090-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Guru Pūrṇimā 2090 falls on Tuesday 11 July. Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16898, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 } }, "kaala": "sayahna", "days": [ { "local_date": "2090-07-10", "window": { "start": { "local": "2090-07-10T17:06:08+08:00", "utc": "2090-07-10T09:06:08Z", "ms": 3803360768140.501 }, "end": { "local": "2090-07-10T19:51:27+08:00", "utc": "2090-07-10T11:51:27Z", "ms": 3803370686732.8296 } }, "covered_min": 0, "window_min": 165, "qualifies": false }, { "local_date": "2090-07-11", "window": { "start": { "local": "2090-07-11T17:06:04+08:00", "utc": "2090-07-11T09:06:04Z", "ms": 3803447163567.5674 }, "end": { "local": "2090-07-11T19:51:14+08:00", "utc": "2090-07-11T11:51:14Z", "ms": 3803457074004.754 } }, "covered_min": 165, "window_min": 165, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul.", "fact": "2090-07-10T16:33:05Z → 2090-07-11T17:04:12Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:06–19:51 on the 10th, 17:06–19:51 on the 11th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 165 minutes on the 10th and 165 of 165 on the 11th.", "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 16898 s" }, { "step": "ruling", "text": "Kokilā Vrata, Zunyi, 2090: Tuesday 11 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": "2090-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Kokilā Vrata 2090 falls on Tuesday 11 July. Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11987, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2090-07-11T00:33:05+08:00", "utc": "2090-07-10T16:33:05Z", "ms": 3803387585111.3794 }, "end": { "local": "2090-07-12T01:04:12+08:00", "utc": "2090-07-11T17:04:12Z", "ms": 3803475852005.365 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-07-10", "window": { "start": { "local": "2090-07-10T19:51:27+08:00", "utc": "2090-07-10T11:51:27Z", "ms": 3803370686732.8296 }, "end": { "local": "2090-07-10T21:13:18+08:00", "utc": "2090-07-10T13:13:18Z", "ms": 3803375598077.6284 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2090-07-11", "window": { "start": { "local": "2090-07-11T19:51:14+08:00", "utc": "2090-07-11T11:51:14Z", "ms": 3803457074004.754 }, "end": { "local": "2090-07-11T21:13:11+08:00", "utc": "2090-07-11T13:13:11Z", "ms": 3803461990847.219 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul.", "fact": "2090-07-10T16:33:05Z → 2090-07-11T17:04:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:13 on the 10th, 19:51–21:13 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 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. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11987 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Zunyi, 2090: Tuesday 11 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": "2090-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-11", "confidence": "determinate" } ], "quote": "In Zunyi, Śiva Śayanotsava 2090 falls on Tuesday 11 July. Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21265, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2090-07-13T02:05:09+08:00", "utc": "2090-07-12T18:05:09Z", "ms": 3803565908503.171 }, "end": { "local": "2090-07-14T03:36:17+08:00", "utc": "2090-07-13T19:36:17Z", "ms": 3803657776560.86 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-13T02:05:09+08:00", "utc": "2090-07-12T18:05:09Z", "ms": 3803565908503.171 }, "end": { "local": "2090-07-14T03:36:17+08:00", "utc": "2090-07-13T19:36:17Z", "ms": 3803657776560.86 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-07-12", "window": { "start": { "local": "2090-07-12T20:10:44+08:00", "utc": "2090-07-12T12:10:44Z", "ms": 3803544643853.7295 }, "end": { "local": "2090-07-12T20:10:44+08:00", "utc": "2090-07-12T12:10:44Z", "ms": 3803544643853.7295 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-07-13", "window": { "start": { "local": "2090-07-13T20:52:52+08:00", "utc": "2090-07-13T12:52:52Z", "ms": 3803633571839.411 }, "end": { "local": "2090-07-13T20:52:52+08:00", "utc": "2090-07-13T12:52:52Z", "ms": 3803633571839.411 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:05 on Thu 13 Jul to 03:36 on Fri 14 Jul.", "fact": "2090-07-12T18:05:09Z → 2090-07-13T19:36:17Z" }, { "step": "kaala", "text": "Moonrise is at 20:11 on the 12th and 20:53 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21265 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Zunyi, 2090: Thursday 13 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": "2090-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-13", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata (Āṣāḍha) 2090 falls on Thursday 13 July. Dvitīyā runs from 02:05 on Thu 13 Jul to 03:36 on Fri 14 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-07-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29006, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-07-15T05:35:16+08:00", "utc": "2090-07-14T21:35:16Z", "ms": 3803751315806.3643 }, "end": { "local": "2090-07-16T07:56:14+08:00", "utc": "2090-07-15T23:56:14Z", "ms": 3803846173614.675 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-15T05:35:16+08:00", "utc": "2090-07-14T21:35:16Z", "ms": 3803751315806.3643 }, "end": { "local": "2090-07-16T07:56:14+08:00", "utc": "2090-07-15T23:56:14Z", "ms": 3803846173614.675 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-07-14", "window": { "start": { "local": "2090-07-14T21:31:49+08:00", "utc": "2090-07-14T13:31:49Z", "ms": 3803722309349.1514 }, "end": { "local": "2090-07-14T21:31:49+08:00", "utc": "2090-07-14T13:31:49Z", "ms": 3803722309349.1514 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-07-15", "window": { "start": { "local": "2090-07-15T22:08:19+08:00", "utc": "2090-07-15T14:08:19Z", "ms": 3803810899010.643 }, "end": { "local": "2090-07-15T22:08:19+08:00", "utc": "2090-07-15T14:08:19Z", "ms": 3803810899010.643 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Sat 15 Jul to 07:56 on Sun 16 Jul.", "fact": "2090-07-14T21:35:16Z → 2090-07-15T23:56:14Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 14th and 22:08 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29006 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Saturday 15 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": "2090-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-15", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Saturday 15 July. Caturthī runs from 05:35 on Sat 15 Jul to 07:56 on Sun 16 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-07-15", "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/2090/ekadashi?on=2090-07-23", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41776, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-07-22T18:35:11+08:00", "utc": "2090-07-22T10:35:11Z", "ms": 3804402910645.315 }, "end": { "local": "2090-07-23T18:05:45+08:00", "utc": "2090-07-23T10:05:45Z", "ms": 3804487544625.573 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-22T18:35:11+08:00", "utc": "2090-07-22T10:35:11Z", "ms": 3804402910645.315 }, "end": { "local": "2090-07-23T18:05:45+08:00", "utc": "2090-07-23T10:05:45Z", "ms": 3804487544625.573 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-07-23", "window": { "start": { "local": "2090-07-23T06:11:27+08:00", "utc": "2090-07-22T22:11:27Z", "ms": 3804444686804.4043 }, "end": { "local": "2090-07-23T06:11:27+08:00", "utc": "2090-07-22T22:11:27Z", "ms": 3804444686804.4043 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-07-24", "window": { "start": { "local": "2090-07-24T06:11:59+08:00", "utc": "2090-07-23T22:11:59Z", "ms": 3804531118824.9707 }, "end": { "local": "2090-07-24T06:11:59+08:00", "utc": "2090-07-23T22:11:59Z", "ms": 3804531118824.9707 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:35 on Sat 22 Jul to 18:06 on Sun 23 Jul.", "fact": "2090-07-22T10:35:11Z → 2090-07-23T10:05:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 23rd and 06:12 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41776 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Zunyi, 2090: Sunday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-23", "confidence": "determinate" } ], "quote": "In Zunyi, Kāmikā Ekādaśī 2090 falls on Sunday 23 July. Ekādaśī runs from 18:35 on Sat 22 Jul to 18:06 on Sun 23 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-07-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10649, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-07-24T16:48:57+08:00", "utc": "2090-07-24T08:48:57Z", "ms": 3804569337026.124 }, "end": { "local": "2090-07-25T14:50:24+08:00", "utc": "2090-07-25T06:50:24Z", "ms": 3804648623806.617 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-24T16:48:57+08:00", "utc": "2090-07-24T08:48:57Z", "ms": 3804569337026.124 }, "end": { "local": "2090-07-25T14:50:24+08:00", "utc": "2090-07-25T06:50:24Z", "ms": 3804648623806.617 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-07-24", "window": { "start": { "local": "2090-07-24T19:46:26+08:00", "utc": "2090-07-24T11:46:26Z", "ms": 3804579986045.89 }, "end": { "local": "2090-07-24T21:09:55+08:00", "utc": "2090-07-24T13:09:55Z", "ms": 3804584994702.9736 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2090-07-25", "window": { "start": { "local": "2090-07-25T19:45:55+08:00", "utc": "2090-07-25T11:45:55Z", "ms": 3804666354723.4663 }, "end": { "local": "2090-07-25T21:09:32+08:00", "utc": "2090-07-25T13:09:32Z", "ms": 3804671371857.026 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:49 on Mon 24 Jul to 14:50 on Tue 25 Jul.", "fact": "2090-07-24T08:48:57Z → 2090-07-25T06:50:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:10 on the 24th, 19:46–21:10 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 83 of 83 minutes on the 24th and 0 of 84 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 10649 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Monday 24 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-24", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Monday 24 July. Trayodaśī runs from 16:49 on Mon 24 Jul to 14:50 on Tue 25 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-07-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35105, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-07-25T14:50:24+08:00", "utc": "2090-07-25T06:50:24Z", "ms": 3804648623806.617 }, "end": { "local": "2090-07-26T12:17:57+08:00", "utc": "2090-07-26T04:17:57Z", "ms": 3804725876951.403 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-25T14:50:24+08:00", "utc": "2090-07-25T06:50:24Z", "ms": 3804648623806.617 }, "end": { "local": "2090-07-26T12:17:57+08:00", "utc": "2090-07-26T04:17:57Z", "ms": 3804725876951.403 } }, "kaala": "nishita", "days": [ { "local_date": "2090-07-25", "window": { "start": { "local": "2090-07-26T00:35:29+08:00", "utc": "2090-07-25T16:35:29Z", "ms": 3804683728974.315 }, "end": { "local": "2090-07-26T01:23:29+08:00", "utc": "2090-07-25T17:23:29Z", "ms": 3804686608974.315 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-07-26", "window": { "start": { "local": "2090-07-27T00:35:29+08:00", "utc": "2090-07-26T16:35:29Z", "ms": 3804770128842.91 }, "end": { "local": "2090-07-27T01:23:29+08:00", "utc": "2090-07-26T17:23:29Z", "ms": 3804773008842.91 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:50 on Tue 25 Jul to 12:18 on Wed 26 Jul.", "fact": "2090-07-25T06:50:24Z → 2090-07-26T04:17:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 25th, 00:35–01:23 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35105 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Tuesday 25 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": "2090-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-25", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Tuesday 25 July. Caturdaśī runs from 14:50 on Tue 25 Jul to 12:18 on Wed 26 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-07-25", "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/2090/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35104, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-07-29T02:50:05+08:00", "utc": "2090-07-28T18:50:05Z", "ms": 3804951004600.63 }, "end": { "local": "2090-07-29T23:34:51+08:00", "utc": "2090-07-29T15:34:51Z", "ms": 3805025690741.124 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-29T02:50:05+08:00", "utc": "2090-07-28T18:50:05Z", "ms": 3804951004600.63 }, "end": { "local": "2090-07-29T23:34:51+08:00", "utc": "2090-07-29T15:34:51Z", "ms": 3805025690741.124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-29", "window": { "start": { "local": "2090-07-29T12:35:09+08:00", "utc": "2090-07-29T04:35:09Z", "ms": 3804986108588.8403 }, "end": { "local": "2090-07-29T13:23:09+08:00", "utc": "2090-07-29T05:23:09Z", "ms": 3804988988588.8403 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-07-30", "window": { "start": { "local": "2090-07-30T12:35:06+08:00", "utc": "2090-07-30T04:35:06Z", "ms": 3805072506004.2354 }, "end": { "local": "2090-07-30T13:23:06+08:00", "utc": "2090-07-30T05:23:06Z", "ms": 3805075386004.2354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:50 on Sat 29 Jul to 23:35 on Sat 29 Jul.", "fact": "2090-07-28T18:50:05Z → 2090-07-29T15:34:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 29th, 12:35–13:23 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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 35104 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Zunyi, 2090: Saturday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-29", "confidence": "determinate" } ], "quote": "In Zunyi, Madhusravā Tṛtīyā (Hariyali Teej) 2090 falls on Saturday 29 July. Tṛtīyā runs from 02:50 on Sat 29 Jul to 23:35 on Sat 29 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-07-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25641, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-07-29T23:34:51+08:00", "utc": "2090-07-29T15:34:51Z", "ms": 3805025690741.124 }, "end": { "local": "2090-07-30T20:30:27+08:00", "utc": "2090-07-30T12:30:27Z", "ms": 3805101026828.8853 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-29T23:34:51+08:00", "utc": "2090-07-29T15:34:51Z", "ms": 3805025690741.124 }, "end": { "local": "2090-07-30T20:30:27+08:00", "utc": "2090-07-30T12:30:27Z", "ms": 3805101026828.8853 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-29", "window": { "start": { "local": "2090-07-29T12:35:09+08:00", "utc": "2090-07-29T04:35:09Z", "ms": 3804986108588.8403 }, "end": { "local": "2090-07-29T13:23:09+08:00", "utc": "2090-07-29T05:23:09Z", "ms": 3804988988588.8403 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-07-30", "window": { "start": { "local": "2090-07-30T12:35:06+08:00", "utc": "2090-07-30T04:35:06Z", "ms": 3805072506004.2354 }, "end": { "local": "2090-07-30T13:23:06+08:00", "utc": "2090-07-30T05:23:06Z", "ms": 3805075386004.2354 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:35 on Sat 29 Jul to 20:30 on Sun 30 Jul.", "fact": "2090-07-29T15:34:51Z → 2090-07-30T12:30:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 29th, 12:35–13:23 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25641 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Sunday 30 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-30", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Sunday 30 July. Caturthī runs from 23:35 on Sat 29 Jul to 20:30 on Sun 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-07-30", "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/2090/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15627, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-07-30T20:30:27+08:00", "utc": "2090-07-30T12:30:27Z", "ms": 3805101026828.8853 }, "end": { "local": "2090-07-31T17:43:30+08:00", "utc": "2090-07-31T09:43:30Z", "ms": 3805177409934.739 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-07-30T20:30:27+08:00", "utc": "2090-07-30T12:30:27Z", "ms": 3805101026828.8853 }, "end": { "local": "2090-07-31T17:43:30+08:00", "utc": "2090-07-31T09:43:30Z", "ms": 3805177409934.739 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-07-30", "window": { "start": { "local": "2090-07-30T12:35:06+08:00", "utc": "2090-07-30T04:35:06Z", "ms": 3805072506004.2354 }, "end": { "local": "2090-07-30T13:23:06+08:00", "utc": "2090-07-30T05:23:06Z", "ms": 3805075386004.2354 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-07-31", "window": { "start": { "local": "2090-07-31T12:35:03+08:00", "utc": "2090-07-31T04:35:03Z", "ms": 3805158902799.208 }, "end": { "local": "2090-07-31T13:23:03+08:00", "utc": "2090-07-31T05:23:03Z", "ms": 3805161782799.208 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:30 on Sun 30 Jul to 17:43 on Mon 31 Jul.", "fact": "2090-07-30T12:30:27Z → 2090-07-31T09:43:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 30th, 12:35–13:23 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15627 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Zunyi, 2090: Monday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-07-31", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī 2090 falls on Monday 31 July. Pañcamī runs from 20:30 on Sun 30 Jul to 17:43 on Mon 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-08-06", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14596, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-08-05T10:22:46+08:00", "utc": "2090-08-05T02:22:46Z", "ms": 3805582966185.88 }, "end": { "local": "2090-08-06T10:22:14+08:00", "utc": "2090-08-06T02:22:14Z", "ms": 3805669333598.646 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-08-05T10:22:46+08:00", "utc": "2090-08-05T02:22:46Z", "ms": 3805582966185.88 }, "end": { "local": "2090-08-06T10:22:14+08:00", "utc": "2090-08-06T02:22:14Z", "ms": 3805669333598.646 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-08-05", "window": { "start": { "local": "2090-08-05T06:18:26+08:00", "utc": "2090-08-04T22:18:26Z", "ms": 3805568305988.6567 }, "end": { "local": "2090-08-05T06:18:26+08:00", "utc": "2090-08-04T22:18:26Z", "ms": 3805568305988.6567 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-08-06", "window": { "start": { "local": "2090-08-06T06:18:58+08:00", "utc": "2090-08-05T22:18:58Z", "ms": 3805654737870.1665 }, "end": { "local": "2090-08-06T06:18:58+08:00", "utc": "2090-08-05T22:18:58Z", "ms": 3805654737870.1665 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:23 on Sat 5 Aug to 10:22 on Sun 6 Aug.", "fact": "2090-08-05T02:22:46Z → 2090-08-06T02:22:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 5th and 06:19 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 14596 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Zunyi, 2090: Sunday 6 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": "2090-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-06", "confidence": "determinate" } ], "quote": "In Zunyi, Putradā Ekādaśī 2090 falls on Sunday 6 August. Ekādaśī runs from 10:23 on Sat 5 Aug to 10:22 on Sun 6 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6257, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-08-06T10:22:14+08:00", "utc": "2090-08-06T02:22:14Z", "ms": 3805669333598.646 }, "end": { "local": "2090-08-07T10:50:06+08:00", "utc": "2090-08-07T02:50:06Z", "ms": 3805757406198.604 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-08-06T10:22:14+08:00", "utc": "2090-08-06T02:22:14Z", "ms": 3805669333598.646 }, "end": { "local": "2090-08-07T10:50:06+08:00", "utc": "2090-08-07T02:50:06Z", "ms": 3805757406198.604 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-06", "window": { "start": { "local": "2090-08-06T12:34:31+08:00", "utc": "2090-08-06T04:34:31Z", "ms": 3805677270506.4355 }, "end": { "local": "2090-08-06T13:22:31+08:00", "utc": "2090-08-06T05:22:31Z", "ms": 3805680150506.4355 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-07", "window": { "start": { "local": "2090-08-07T12:34:23+08:00", "utc": "2090-08-07T04:34:23Z", "ms": 3805763662978.5083 }, "end": { "local": "2090-08-07T13:22:23+08:00", "utc": "2090-08-07T05:22:23Z", "ms": 3805766542978.5083 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:22 on Sun 6 Aug to 10:50 on Mon 7 Aug.", "fact": "2090-08-06T02:22:14Z → 2090-08-07T02:50:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 6th, 12:34–13:22 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6257 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Zunyi, 2090: Sunday 6 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-06", "confidence": "determinate" } ], "quote": "In Zunyi, Dāmodara Dvādaśī 2090 falls on Sunday 6 August. Dvādaśī runs from 10:22 on Sun 6 Aug to 10:50 on Mon 7 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-08-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28262, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-08-07T10:50:06+08:00", "utc": "2090-08-07T02:50:06Z", "ms": 3805757406198.604 }, "end": { "local": "2090-08-08T11:45:26+08:00", "utc": "2090-08-08T03:45:26Z", "ms": 3805847126410.1553 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-08-07T10:50:06+08:00", "utc": "2090-08-07T02:50:06Z", "ms": 3805757406198.604 }, "end": { "local": "2090-08-08T11:45:26+08:00", "utc": "2090-08-08T03:45:26Z", "ms": 3805847126410.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-08-07", "window": { "start": { "local": "2090-08-07T19:37:16+08:00", "utc": "2090-08-07T11:37:16Z", "ms": 3805789036328.527 }, "end": { "local": "2090-08-07T21:02:58+08:00", "utc": "2090-08-07T13:02:58Z", "ms": 3805794178318.8887 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2090-08-08", "window": { "start": { "local": "2090-08-08T19:36:28+08:00", "utc": "2090-08-08T11:36:28Z", "ms": 3805875388453.2617 }, "end": { "local": "2090-08-08T21:02:21+08:00", "utc": "2090-08-08T13:02:21Z", "ms": 3805880541025.8003 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:50 on Mon 7 Aug to 11:45 on Tue 8 Aug.", "fact": "2090-08-07T02:50:06Z → 2090-08-08T03:45:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–21:03 on the 7th, 19:36–21:02 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 86 of 86 minutes on the 7th and 0 of 86 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 28262 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Monday 7 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": "2090-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-07", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Monday 7 August. Trayodaśī runs from 10:50 on Mon 7 Aug to 11:45 on Tue 8 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-08-07", "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/2090/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 15833, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-08-09T13:07:03+08:00", "utc": "2090-08-09T05:07:03Z", "ms": 3805938422920.3223 }, "end": { "local": "2090-08-10T14:53:10+08:00", "utc": "2090-08-10T06:53:10Z", "ms": 3806031190382.3984 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2090-08-10T01:57:12+08:00", "utc": "2090-08-09T17:57:12Z", "ms": 3805984631528.9194 }, "end": { "local": "2090-08-10T14:53:10+08:00", "utc": "2090-08-10T06:53:10Z", "ms": 3806031190382.3984 } }, "kaala": "day", "days": [ { "local_date": "2090-08-09", "window": { "start": { "local": "2090-08-09T06:20:33+08:00", "utc": "2090-08-08T22:20:33Z", "ms": 3805914032747.302 }, "end": { "local": "2090-08-10T06:21:04+08:00", "utc": "2090-08-09T22:21:04Z", "ms": 3806000464096.7026 } }, "covered_min": 264, "window_min": 1441, "qualifies": true }, { "local_date": "2090-08-10", "window": { "start": { "local": "2090-08-10T06:21:04+08:00", "utc": "2090-08-09T22:21:04Z", "ms": 3806000464096.7026 }, "end": { "local": "2090-08-11T06:21:35+08:00", "utc": "2090-08-10T22:21:35Z", "ms": 3806086895300.453 } }, "covered_min": 512, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:07 on Wed 9 Aug to 14:53 on Thu 10 Aug. Its second half begins at 01:57 on Thu 10 Aug.", "fact": "2090-08-09T05:07:03Z → 2090-08-10T06:53:10Z · second half from 2090-08-09T17:57:12Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 9th, and from 06:21 on the 10th.", "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 264 of 1441 minutes on the 9th and 512 of 1441 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 15833 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Zunyi, 2090: Thursday 10 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-10", "confidence": "boundary" } ], "quote": "In Zunyi, Rakṣā Bandhana (Rakhi) 2090 falls on Thursday 10 August. The second half of Pūrṇimā runs from 01:57 on Thu 10 Aug to 14:53 on Thu 10 Aug and falls on two days: 512 minutes of it on the 10th, 264 on the 9th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 903, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-08-09T13:07:03+08:00", "utc": "2090-08-09T05:07:03Z", "ms": 3805938422920.3223 }, "end": { "local": "2090-08-10T14:53:10+08:00", "utc": "2090-08-10T06:53:10Z", "ms": 3806031190382.3984 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2090-08-09T13:07:03+08:00", "utc": "2090-08-09T05:07:03Z", "ms": 3805938422920.3223 }, "end": { "local": "2090-08-10T14:53:10+08:00", "utc": "2090-08-10T06:53:10Z", "ms": 3806031190382.3984 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-09", "window": { "start": { "local": "2090-08-09T12:34:06+08:00", "utc": "2090-08-09T04:34:06Z", "ms": 3805936446143.974 }, "end": { "local": "2090-08-09T13:22:06+08:00", "utc": "2090-08-09T05:22:06Z", "ms": 3805939326143.974 } }, "covered_min": 15, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-10", "window": { "start": { "local": "2090-08-10T12:33:57+08:00", "utc": "2090-08-10T04:33:57Z", "ms": 3806022836855.7544 }, "end": { "local": "2090-08-10T13:21:57+08:00", "utc": "2090-08-10T05:21:57Z", "ms": 3806025716855.7544 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:07 on Wed 9 Aug to 14:53 on Thu 10 Aug.", "fact": "2090-08-09T05:07:03Z → 2090-08-10T06:53:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 9th, 12:34–13:22 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 15 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 903 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Zunyi, 2090: Thursday 10 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2090-08-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-10", "confidence": "boundary" } ], "quote": "In Zunyi, Ṛṣi Tarpaṇa 2090 falls on Thursday 10 August. Pūrṇimā runs from 13:07 on Wed 9 Aug to 14:53 on Thu 10 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 15 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/2090/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/2090/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4665, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2090-08-11T17:00:57+08:00", "utc": "2090-08-11T09:00:57Z", "ms": 3806125256853.375 }, "end": { "local": "2090-08-12T19:25:46+08:00", "utc": "2090-08-12T11:25:46Z", "ms": 3806220346446.6675 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-11T17:00:57+08:00", "utc": "2090-08-11T09:00:57Z", "ms": 3806125256853.375 }, "end": { "local": "2090-08-12T19:25:46+08:00", "utc": "2090-08-12T11:25:46Z", "ms": 3806220346446.6675 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-08-11", "window": { "start": { "local": "2090-08-11T20:08:04+08:00", "utc": "2090-08-11T12:08:04Z", "ms": 3806136484047.404 }, "end": { "local": "2090-08-11T20:08:04+08:00", "utc": "2090-08-11T12:08:04Z", "ms": 3806136484047.404 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-08-12", "window": { "start": { "local": "2090-08-12T20:43:31+08:00", "utc": "2090-08-12T12:43:31Z", "ms": 3806225011326.722 }, "end": { "local": "2090-08-12T20:43:31+08:00", "utc": "2090-08-12T12:43:31Z", "ms": 3806225011326.722 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:01 on Fri 11 Aug to 19:26 on Sat 12 Aug.", "fact": "2090-08-11T09:00:57Z → 2090-08-12T11:25:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 11th and 20:44 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4665 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Zunyi, 2090: Friday 11 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": "2090-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-11", "confidence": "determinate" } ], "quote": "In Zunyi, Aśūnya Śayana Vrata 2090 falls on Friday 11 August. Dvitīyā runs from 17:01 on Fri 11 Aug to 19:26 on Sat 12 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21850, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-08-12T19:25:46+08:00", "utc": "2090-08-12T11:25:46Z", "ms": 3806220346446.6675 }, "end": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-12T19:25:46+08:00", "utc": "2090-08-12T11:25:46Z", "ms": 3806220346446.6675 }, "end": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-12", "window": { "start": { "local": "2090-08-12T12:33:37+08:00", "utc": "2090-08-12T04:33:37Z", "ms": 3806195616588.3926 }, "end": { "local": "2090-08-12T13:21:37+08:00", "utc": "2090-08-12T05:21:37Z", "ms": 3806198496588.3926 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-08-13", "window": { "start": { "local": "2090-08-13T12:33:26+08:00", "utc": "2090-08-13T04:33:26Z", "ms": 3806282005631.1914 }, "end": { "local": "2090-08-13T13:21:26+08:00", "utc": "2090-08-13T05:21:26Z", "ms": 3806284885631.1914 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:26 on Sat 12 Aug to 22:01 on Sun 13 Aug.", "fact": "2090-08-12T11:25:46Z → 2090-08-13T14:00:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 12th, 12:33–13:21 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21850 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Zunyi, 2090: Sunday 13 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": "2090-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-13", "confidence": "determinate" } ], "quote": "In Zunyi, Kajjalī Tṛtīyā (Kajari Teej) 2090 falls on Sunday 13 August. Tṛtīyā runs from 19:26 on Sat 12 Aug to 22:01 on Sun 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8915, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 }, "end": { "local": "2090-08-15T00:36:53+08:00", "utc": "2090-08-14T16:36:53Z", "ms": 3806411812779.8745 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 }, "end": { "local": "2090-08-15T00:36:53+08:00", "utc": "2090-08-14T16:36:53Z", "ms": 3806411812779.8745 } }, "kaala": "sayahna", "days": [ { "local_date": "2090-08-13", "window": { "start": { "local": "2090-08-13T16:54:19+08:00", "utc": "2090-08-13T08:54:19Z", "ms": 3806297658654.4136 }, "end": { "local": "2090-08-13T19:32:14+08:00", "utc": "2090-08-13T11:32:14Z", "ms": 3806307134003.228 } }, "covered_min": 0, "window_min": 158, "qualifies": false }, { "local_date": "2090-08-14", "window": { "start": { "local": "2090-08-14T16:53:42+08:00", "utc": "2090-08-14T08:53:42Z", "ms": 3806384021818.48 }, "end": { "local": "2090-08-14T19:31:20+08:00", "utc": "2090-08-14T11:31:20Z", "ms": 3806393480270.635 } }, "covered_min": 158, "window_min": 158, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:01 on Sun 13 Aug to 00:37 on Tue 15 Aug.", "fact": "2090-08-13T14:00:49Z → 2090-08-14T16:36:53Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:54–19:32 on the 13th, 16:54–19:31 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 158 minutes on the 13th and 158 of 158 on the 14th.", "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 8915 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Zunyi, 2090: Monday 14 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": "2090-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-14", "confidence": "determinate" } ], "quote": "In Zunyi, Bahulā Caturthī 2090 falls on Monday 14 August. Caturthī runs from 22:01 on Sun 13 Aug to 00:37 on Tue 15 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-08-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2578, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 }, "end": { "local": "2090-08-15T00:36:53+08:00", "utc": "2090-08-14T16:36:53Z", "ms": 3806411812779.8745 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-13T22:00:49+08:00", "utc": "2090-08-13T14:00:49Z", "ms": 3806316049171.3643 }, "end": { "local": "2090-08-15T00:36:53+08:00", "utc": "2090-08-14T16:36:53Z", "ms": 3806411812779.8745 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-08-13", "window": { "start": { "local": "2090-08-13T21:17:52+08:00", "utc": "2090-08-13T13:17:52Z", "ms": 3806313471547.078 }, "end": { "local": "2090-08-13T21:17:52+08:00", "utc": "2090-08-13T13:17:52Z", "ms": 3806313471547.078 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-08-14", "window": { "start": { "local": "2090-08-14T21:51:53+08:00", "utc": "2090-08-14T13:51:53Z", "ms": 3806401913352.0405 }, "end": { "local": "2090-08-14T21:51:53+08:00", "utc": "2090-08-14T13:51:53Z", "ms": 3806401913352.0405 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:01 on Sun 13 Aug to 00:37 on Tue 15 Aug.", "fact": "2090-08-13T14:00:49Z → 2090-08-14T16:36:53Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 13th and 21:52 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2578 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Monday 14 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": "2090-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-14", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Monday 14 August. Caturthī runs from 22:01 on Sun 13 Aug to 00:37 on Tue 15 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26754, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-08-16T03:02:50+08:00", "utc": "2090-08-15T19:02:50Z", "ms": 3806506969632.6865 }, "end": { "local": "2090-08-17T05:06:42+08:00", "utc": "2090-08-16T21:06:42Z", "ms": 3806600802353.5547 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-16T03:02:50+08:00", "utc": "2090-08-15T19:02:50Z", "ms": 3806506969632.6865 }, "end": { "local": "2090-08-17T05:06:42+08:00", "utc": "2090-08-16T21:06:42Z", "ms": 3806600802353.5547 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-16", "window": { "start": { "local": "2090-08-16T12:32:50+08:00", "utc": "2090-08-16T04:32:50Z", "ms": 3806541169604.701 }, "end": { "local": "2090-08-16T13:20:50+08:00", "utc": "2090-08-16T05:20:50Z", "ms": 3806544049604.701 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-17", "window": { "start": { "local": "2090-08-17T12:32:37+08:00", "utc": "2090-08-17T04:32:37Z", "ms": 3806627556584.416 }, "end": { "local": "2090-08-17T13:20:37+08:00", "utc": "2090-08-17T05:20:37Z", "ms": 3806630436584.416 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:03 on Wed 16 Aug to 05:07 on Thu 17 Aug.", "fact": "2090-08-15T19:02:50Z → 2090-08-16T21:06:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 16th, 12:33–13:21 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 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26754 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Zunyi, 2090: Wednesday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-16", "confidence": "determinate" } ], "quote": "In Zunyi, Hala Ṣaṣṭhī 2090 falls on Wednesday 16 August. Ṣaṣṭhī runs from 03:03 on Wed 16 Aug to 05:07 on Thu 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21306, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-08-17T05:06:42+08:00", "utc": "2090-08-16T21:06:42Z", "ms": 3806600802353.5547 }, "end": { "local": "2090-08-18T06:37:17+08:00", "utc": "2090-08-17T22:37:17Z", "ms": 3806692636763.6445 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-17T05:06:42+08:00", "utc": "2090-08-16T21:06:42Z", "ms": 3806600802353.5547 }, "end": { "local": "2090-08-18T06:37:17+08:00", "utc": "2090-08-17T22:37:17Z", "ms": 3806692636763.6445 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-17", "window": { "start": { "local": "2090-08-17T12:32:37+08:00", "utc": "2090-08-17T04:32:37Z", "ms": 3806627556584.416 }, "end": { "local": "2090-08-17T13:20:37+08:00", "utc": "2090-08-17T05:20:37Z", "ms": 3806630436584.416 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-18", "window": { "start": { "local": "2090-08-18T12:32:23+08:00", "utc": "2090-08-18T04:32:23Z", "ms": 3806713943078.8896 }, "end": { "local": "2090-08-18T13:20:23+08:00", "utc": "2090-08-18T05:20:23Z", "ms": 3806716823078.8896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:07 on Thu 17 Aug to 06:37 on Fri 18 Aug.", "fact": "2090-08-16T21:06:42Z → 2090-08-17T22:37:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 17th, 12:32–13:20 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 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: purvaviddha → only-day · margin 21306 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Zunyi, 2090: Thursday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-17", "confidence": "determinate" } ], "quote": "In Zunyi, Śītalā Saptamī 2090 falls on Thursday 17 August. Saptamī runs from 05:07 on Thu 17 Aug to 06:37 on Fri 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18985, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-08-18T06:37:17+08:00", "utc": "2090-08-17T22:37:17Z", "ms": 3806692636763.6445 }, "end": { "local": "2090-08-19T07:25:37+08:00", "utc": "2090-08-18T23:25:37Z", "ms": 3806781936933.149 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-18T06:37:17+08:00", "utc": "2090-08-17T22:37:17Z", "ms": 3806692636763.6445 }, "end": { "local": "2090-08-19T07:25:37+08:00", "utc": "2090-08-18T23:25:37Z", "ms": 3806781936933.149 } }, "kaala": "nishita", "days": [ { "local_date": "2090-08-17", "window": { "start": { "local": "2090-08-18T00:32:52+08:00", "utc": "2090-08-17T16:32:52Z", "ms": 3806670771649.3164 }, "end": { "local": "2090-08-18T01:20:52+08:00", "utc": "2090-08-17T17:20:52Z", "ms": 3806673651649.3164 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-08-18", "window": { "start": { "local": "2090-08-19T00:32:38+08:00", "utc": "2090-08-18T16:32:38Z", "ms": 3806757158065.9023 }, "end": { "local": "2090-08-19T01:20:38+08:00", "utc": "2090-08-18T17:20:38Z", "ms": 3806760038065.9023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:37 on Fri 18 Aug to 07:26 on Sat 19 Aug.", "fact": "2090-08-17T22:37:17Z → 2090-08-18T23:25:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 17th, 00:33–01:21 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18985 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Zunyi, 2090: Friday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-18", "confidence": "determinate" } ], "quote": "In Zunyi, Janmāṣṭamī 2090 falls on Friday 18 August. Aṣṭamī runs from 06:37 on Fri 18 Aug to 07:26 on Sat 19 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-08-21", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 659, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-08-21T06:37:38+08:00", "utc": "2090-08-20T22:37:38Z", "ms": 3806951857536.9424 }, "end": { "local": "2090-08-22T05:01:55+08:00", "utc": "2090-08-21T21:01:55Z", "ms": 3807032515109.2607 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-21T06:37:38+08:00", "utc": "2090-08-20T22:37:38Z", "ms": 3806951857536.9424 }, "end": { "local": "2090-08-22T05:01:55+08:00", "utc": "2090-08-21T21:01:55Z", "ms": 3807032515109.2607 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-08-21", "window": { "start": { "local": "2090-08-21T06:26:39+08:00", "utc": "2090-08-20T22:26:39Z", "ms": 3806951198917.684 }, "end": { "local": "2090-08-21T06:26:39+08:00", "utc": "2090-08-20T22:26:39Z", "ms": 3806951198917.684 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-08-22", "window": { "start": { "local": "2090-08-22T06:27:08+08:00", "utc": "2090-08-21T22:27:08Z", "ms": 3807037628423.9316 }, "end": { "local": "2090-08-22T06:27:08+08:00", "utc": "2090-08-21T22:27:08Z", "ms": 3807037628423.9316 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:38 on Mon 21 Aug to 05:02 on Tue 22 Aug.", "fact": "2090-08-20T22:37:38Z → 2090-08-21T21:01:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 21st and 06:27 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 not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 659 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Zunyi, 2090: Monday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-21", "confidence": "determinate" } ], "quote": "In Zunyi, Ajā Ekādaśī 2090 falls on Monday 21 August. Ekādaśī runs from 06:38 on Mon 21 Aug to 05:02 on Tue 22 Aug, and is current at sunrise on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-08-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10851, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-08-23T02:44:19+08:00", "utc": "2090-08-22T18:44:19Z", "ms": 3807110659367.386 }, "end": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-23T02:44:19+08:00", "utc": "2090-08-22T18:44:19Z", "ms": 3807110659367.386 }, "end": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-08-22", "window": { "start": { "local": "2090-08-22T19:23:40+08:00", "utc": "2090-08-22T11:23:40Z", "ms": 3807084220473.2764 }, "end": { "local": "2090-08-22T20:52:12+08:00", "utc": "2090-08-22T12:52:12Z", "ms": 3807089532113.2314 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2090-08-23", "window": { "start": { "local": "2090-08-23T19:22:40+08:00", "utc": "2090-08-23T11:22:40Z", "ms": 3807170559621.1377 }, "end": { "local": "2090-08-23T20:51:23+08:00", "utc": "2090-08-23T12:51:23Z", "ms": 3807175883266.7383 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:44 on Wed 23 Aug to 23:52 on Wed 23 Aug.", "fact": "2090-08-22T18:44:19Z → 2090-08-23T15:52:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:24–20:52 on the 22nd, 19:23–20:51 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 89 minutes on the 22nd and 89 of 89 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 10851 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Wednesday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-23", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Wednesday 23 August. Trayodaśī runs from 02:44 on Wed 23 Aug to 23:52 on Wed 23 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-08-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2349, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 }, "end": { "local": "2090-08-24T20:34:26+08:00", "utc": "2090-08-24T12:34:26Z", "ms": 3807261265852.33 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 }, "end": { "local": "2090-08-24T20:34:26+08:00", "utc": "2090-08-24T12:34:26Z", "ms": 3807261265852.33 } }, "kaala": "nishita", "days": [ { "local_date": "2090-08-23", "window": { "start": { "local": "2090-08-24T00:31:23+08:00", "utc": "2090-08-23T16:31:23Z", "ms": 3807189083292.139 }, "end": { "local": "2090-08-24T01:19:23+08:00", "utc": "2090-08-23T17:19:23Z", "ms": 3807191963292.139 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-24", "window": { "start": { "local": "2090-08-25T00:31:07+08:00", "utc": "2090-08-24T16:31:07Z", "ms": 3807275467043.6587 }, "end": { "local": "2090-08-25T01:19:07+08:00", "utc": "2090-08-24T17:19:07Z", "ms": 3807278347043.6587 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug.", "fact": "2090-08-23T15:52:14Z → 2090-08-24T12:34:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 23rd, 00:31–01:19 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2349 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Wednesday 23 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": "2090-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-23", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Wednesday 23 August. Caturdaśī runs from 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 968, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 }, "end": { "local": "2090-08-24T20:34:26+08:00", "utc": "2090-08-24T12:34:26Z", "ms": 3807261265852.33 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-23T23:52:14+08:00", "utc": "2090-08-23T15:52:14Z", "ms": 3807186733893.3066 }, "end": { "local": "2090-08-24T20:34:26+08:00", "utc": "2090-08-24T12:34:26Z", "ms": 3807261265852.33 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-08-23", "window": { "start": { "local": "2090-08-23T19:22:40+08:00", "utc": "2090-08-23T11:22:40Z", "ms": 3807170559621.1377 }, "end": { "local": "2090-08-23T20:51:23+08:00", "utc": "2090-08-23T12:51:23Z", "ms": 3807175883266.7383 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "2090-08-24", "window": { "start": { "local": "2090-08-24T19:21:38+08:00", "utc": "2090-08-24T11:21:38Z", "ms": 3807256898094.7554 }, "end": { "local": "2090-08-24T20:50:34+08:00", "utc": "2090-08-24T12:50:34Z", "ms": 3807262233814.463 } }, "covered_min": 73, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug.", "fact": "2090-08-23T15:52:14Z → 2090-08-24T12:34:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:51 on the 23rd, 19:22–20:51 on the 24th.", "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 89 minutes on the 23rd and 73 of 89 on the 24th.", "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 968 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Zunyi, 2090: Thursday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-24", "confidence": "determinate" } ], "quote": "In Zunyi, Aghora Caturdaśī 2090 falls on Thursday 24 August. Caturdaśī runs from 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug and covers 73 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-26", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 102, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-08-25T17:00:27+08:00", "utc": "2090-08-25T09:00:27Z", "ms": 3807334826526.8857 }, "end": { "local": "2090-08-26T13:20:01+08:00", "utc": "2090-08-26T05:20:01Z", "ms": 3807408001353.6323 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-25T17:00:27+08:00", "utc": "2090-08-25T09:00:27Z", "ms": 3807334826526.8857 }, "end": { "local": "2090-08-26T13:20:01+08:00", "utc": "2090-08-26T05:20:01Z", "ms": 3807408001353.6323 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-25", "window": { "start": { "local": "2090-08-25T12:30:36+08:00", "utc": "2090-08-25T04:30:36Z", "ms": 3807318635953.6885 }, "end": { "local": "2090-08-25T13:18:36+08:00", "utc": "2090-08-25T05:18:36Z", "ms": 3807321515953.6885 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-08-26", "window": { "start": { "local": "2090-08-26T12:30:19+08:00", "utc": "2090-08-26T04:30:19Z", "ms": 3807405018980.332 }, "end": { "local": "2090-08-26T13:18:19+08:00", "utc": "2090-08-26T05:18:19Z", "ms": 3807407898980.332 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:00 on Fri 25 Aug to 13:20 on Sat 26 Aug.", "fact": "2090-08-25T09:00:27Z → 2090-08-26T05:20:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 25th, 12:30–13:18 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 102 s < 300 s" }, { "step": "ruling", "text": "Rudra Vrata, Zunyi, 2090: Saturday 26 August.", "fact": "confidence: boundary (margin)" } ], "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": "2090-08-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-26", "confidence": "determinate" } ], "quote": "In Zunyi, Rudra Vrata 2090 falls on Saturday 26 August. Pratipadā runs from 17:00 on Fri 25 Aug to 13:20 on Sat 26 Aug and covers all of madhyāhna that midday. It is 1 min 42 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10034, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2090-08-27T09:42:47+08:00", "utc": "2090-08-27T01:42:47Z", "ms": 3807481367290.6978 }, "end": { "local": "2090-08-28T06:17:54+08:00", "utc": "2090-08-27T22:17:54Z", "ms": 3807555474205.704 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-27T09:42:47+08:00", "utc": "2090-08-27T01:42:47Z", "ms": 3807481367290.6978 }, "end": { "local": "2090-08-28T06:17:54+08:00", "utc": "2090-08-27T22:17:54Z", "ms": 3807555474205.704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-27", "window": { "start": { "local": "2090-08-27T12:30:02+08:00", "utc": "2090-08-27T04:30:02Z", "ms": 3807491401618.209 }, "end": { "local": "2090-08-27T13:18:02+08:00", "utc": "2090-08-27T05:18:02Z", "ms": 3807494281618.209 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-28", "window": { "start": { "local": "2090-08-28T12:29:44+08:00", "utc": "2090-08-28T04:29:44Z", "ms": 3807577783877.4893 }, "end": { "local": "2090-08-28T13:17:44+08:00", "utc": "2090-08-28T05:17:44Z", "ms": 3807580663877.4893 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:43 on Sun 27 Aug to 06:18 on Mon 28 Aug.", "fact": "2090-08-27T01:42:47Z → 2090-08-27T22:17:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 27th, 12:30–13:18 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10034 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Zunyi, 2090: Sunday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-27", "confidence": "determinate" } ], "quote": "In Zunyi, Haritālikā Vrata (Hartalika Teej) 2090 falls on Sunday 27 August. Tṛtīyā runs from 09:43 on Sun 27 Aug to 06:18 on Mon 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22310, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-08-28T06:17:54+08:00", "utc": "2090-08-27T22:17:54Z", "ms": 3807555474205.704 }, "end": { "local": "2090-08-29T03:13:47+08:00", "utc": "2090-08-28T19:13:47Z", "ms": 3807630827127.917 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-28T06:17:54+08:00", "utc": "2090-08-27T22:17:54Z", "ms": 3807555474205.704 }, "end": { "local": "2090-08-29T03:13:47+08:00", "utc": "2090-08-28T19:13:47Z", "ms": 3807630827127.917 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-28", "window": { "start": { "local": "2090-08-28T12:29:44+08:00", "utc": "2090-08-28T04:29:44Z", "ms": 3807577783877.4893 }, "end": { "local": "2090-08-28T13:17:44+08:00", "utc": "2090-08-28T05:17:44Z", "ms": 3807580663877.4893 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-29", "window": { "start": { "local": "2090-08-29T12:29:26+08:00", "utc": "2090-08-29T04:29:26Z", "ms": 3807664165769.637 }, "end": { "local": "2090-08-29T13:17:26+08:00", "utc": "2090-08-29T05:17:26Z", "ms": 3807667045769.637 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:18 on Mon 28 Aug to 03:14 on Tue 29 Aug.", "fact": "2090-08-27T22:17:54Z → 2090-08-28T19:13:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 28th, 12:29–13:17 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22310 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Zunyi, 2090: Monday 28 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-28", "confidence": "determinate" } ], "quote": "In Zunyi, Gaṇeśa Caturthī 2090 falls on Monday 28 August. Caturthī runs from 06:18 on Mon 28 Aug to 03:14 on Tue 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33339, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-08-29T03:13:47+08:00", "utc": "2090-08-28T19:13:47Z", "ms": 3807630827127.917 }, "end": { "local": "2090-08-30T00:37:47+08:00", "utc": "2090-08-29T16:37:47Z", "ms": 3807707867223.5015 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-29T03:13:47+08:00", "utc": "2090-08-28T19:13:47Z", "ms": 3807630827127.917 }, "end": { "local": "2090-08-30T00:37:47+08:00", "utc": "2090-08-29T16:37:47Z", "ms": 3807707867223.5015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-29", "window": { "start": { "local": "2090-08-29T12:29:26+08:00", "utc": "2090-08-29T04:29:26Z", "ms": 3807664165769.637 }, "end": { "local": "2090-08-29T13:17:26+08:00", "utc": "2090-08-29T05:17:26Z", "ms": 3807667045769.637 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-08-30", "window": { "start": { "local": "2090-08-30T12:29:07+08:00", "utc": "2090-08-30T04:29:07Z", "ms": 3807750547307.638 }, "end": { "local": "2090-08-30T13:17:07+08:00", "utc": "2090-08-30T05:17:07Z", "ms": 3807753427307.638 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:14 on Tue 29 Aug to 00:38 on Wed 30 Aug.", "fact": "2090-08-28T19:13:47Z → 2090-08-29T16:37:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 33339 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Zunyi, 2090: Tuesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-29", "confidence": "determinate" } ], "quote": "In Zunyi, Ṛṣi Pañcamī 2090 falls on Tuesday 29 August. Pañcamī runs from 03:14 on Tue 29 Aug to 00:38 on Wed 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33524, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-08-30T00:37:47+08:00", "utc": "2090-08-29T16:37:47Z", "ms": 3807707867223.5015 }, "end": { "local": "2090-08-30T22:35:51+08:00", "utc": "2090-08-30T14:35:51Z", "ms": 3807786951047.861 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-30T00:37:47+08:00", "utc": "2090-08-29T16:37:47Z", "ms": 3807707867223.5015 }, "end": { "local": "2090-08-30T22:35:51+08:00", "utc": "2090-08-30T14:35:51Z", "ms": 3807786951047.861 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-29", "window": { "start": { "local": "2090-08-29T12:29:26+08:00", "utc": "2090-08-29T04:29:26Z", "ms": 3807664165769.637 }, "end": { "local": "2090-08-29T13:17:26+08:00", "utc": "2090-08-29T05:17:26Z", "ms": 3807667045769.637 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-08-30", "window": { "start": { "local": "2090-08-30T12:29:07+08:00", "utc": "2090-08-30T04:29:07Z", "ms": 3807750547307.638 }, "end": { "local": "2090-08-30T13:17:07+08:00", "utc": "2090-08-30T05:17:07Z", "ms": 3807753427307.638 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:38 on Wed 30 Aug to 22:36 on Wed 30 Aug.", "fact": "2090-08-29T16:37:47Z → 2090-08-30T14:35:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33524 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Zunyi, 2090: Wednesday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-30", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Bhādrapada) 2090 falls on Wednesday 30 August. Ṣaṣṭhī runs from 00:38 on Wed 30 Aug to 22:36 on Wed 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28521, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-08-30T22:35:51+08:00", "utc": "2090-08-30T14:35:51Z", "ms": 3807786951047.861 }, "end": { "local": "2090-08-31T21:12:10+08:00", "utc": "2090-08-31T13:12:10Z", "ms": 3807868329822.997 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-30T22:35:51+08:00", "utc": "2090-08-30T14:35:51Z", "ms": 3807786951047.861 }, "end": { "local": "2090-08-31T21:12:10+08:00", "utc": "2090-08-31T13:12:10Z", "ms": 3807868329822.997 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-30", "window": { "start": { "local": "2090-08-30T12:29:07+08:00", "utc": "2090-08-30T04:29:07Z", "ms": 3807750547307.638 }, "end": { "local": "2090-08-30T13:17:07+08:00", "utc": "2090-08-30T05:17:07Z", "ms": 3807753427307.638 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-08-31", "window": { "start": { "local": "2090-08-31T12:28:49+08:00", "utc": "2090-08-31T04:28:49Z", "ms": 3807836928506.0244 }, "end": { "local": "2090-08-31T13:16:49+08:00", "utc": "2090-08-31T05:16:49Z", "ms": 3807839808506.0244 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:36 on Wed 30 Aug to 21:12 on Thu 31 Aug.", "fact": "2090-08-30T14:35:51Z → 2090-08-31T13:12:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 30th, 12:29–13:17 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "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 28521 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Zunyi, 2090: Thursday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-08-31", "confidence": "determinate" } ], "quote": "In Zunyi, Muktābharaṇa Vrata 2090 falls on Thursday 31 August. Saptamī runs from 22:36 on Wed 30 Aug to 21:12 on Thu 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25943, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-08-31T21:12:10+08:00", "utc": "2090-08-31T13:12:10Z", "ms": 3807868329822.997 }, "end": { "local": "2090-09-01T20:28:53+08:00", "utc": "2090-09-01T12:28:53Z", "ms": 3807952132684.8228 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-08-31T21:12:10+08:00", "utc": "2090-08-31T13:12:10Z", "ms": 3807868329822.997 }, "end": { "local": "2090-09-01T20:28:53+08:00", "utc": "2090-09-01T12:28:53Z", "ms": 3807952132684.8228 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-08-31", "window": { "start": { "local": "2090-08-31T12:28:49+08:00", "utc": "2090-08-31T04:28:49Z", "ms": 3807836928506.0244 }, "end": { "local": "2090-08-31T13:16:49+08:00", "utc": "2090-08-31T05:16:49Z", "ms": 3807839808506.0244 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-01", "window": { "start": { "local": "2090-09-01T12:28:29+08:00", "utc": "2090-09-01T04:28:29Z", "ms": 3807923309380.756 }, "end": { "local": "2090-09-01T13:16:29+08:00", "utc": "2090-09-01T05:16:29Z", "ms": 3807926189380.756 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:12 on Thu 31 Aug to 20:29 on Fri 1 Sep.", "fact": "2090-08-31T13:12:10Z → 2090-09-01T12:28:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 31st, 12:28–13:16 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25943 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Zunyi, 2090: Friday 1 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": "2090-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-01", "confidence": "determinate" } ], "quote": "In Zunyi, Rādhāṣṭamī 2090 falls on Friday 1 September. Aṣṭamī runs from 21:12 on Thu 31 Aug to 20:29 on Fri 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-09-04", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30145, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-09-03T21:01:24+08:00", "utc": "2090-09-03T13:01:24Z", "ms": 3808126884431.5176 }, "end": { "local": "2090-09-04T22:11:20+08:00", "utc": "2090-09-04T14:11:20Z", "ms": 3808217480131.24 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-09-03T21:01:24+08:00", "utc": "2090-09-03T13:01:24Z", "ms": 3808126884431.5176 }, "end": { "local": "2090-09-04T22:11:20+08:00", "utc": "2090-09-04T14:11:20Z", "ms": 3808217480131.24 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-09-04", "window": { "start": { "local": "2090-09-04T06:33:18+08:00", "utc": "2090-09-03T22:33:18Z", "ms": 3808161197540.1245 }, "end": { "local": "2090-09-04T06:33:18+08:00", "utc": "2090-09-03T22:33:18Z", "ms": 3808161197540.1245 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-09-05", "window": { "start": { "local": "2090-09-05T06:33:45+08:00", "utc": "2090-09-04T22:33:45Z", "ms": 3808247624934.2217 }, "end": { "local": "2090-09-05T06:33:45+08:00", "utc": "2090-09-04T22:33:45Z", "ms": 3808247624934.2217 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:01 on Sun 3 Sep to 22:11 on Mon 4 Sep.", "fact": "2090-09-03T13:01:24Z → 2090-09-04T14:11:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 4th and 06:34 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī 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: paraviddha → only-day · margin 30145 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Zunyi, 2090: Monday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-04", "confidence": "determinate" } ], "quote": "In Zunyi, Parivartanī Ekādaśī 2090 falls on Monday 4 September. Ekādaśī runs from 21:01 on Sun 3 Sep to 22:11 on Mon 4 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32150, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-09-04T22:11:20+08:00", "utc": "2090-09-04T14:11:20Z", "ms": 3808217480131.24 }, "end": { "local": "2090-09-05T23:50:43+08:00", "utc": "2090-09-05T15:50:43Z", "ms": 3808309842926.0186 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-09-04T22:11:20+08:00", "utc": "2090-09-04T14:11:20Z", "ms": 3808217480131.24 }, "end": { "local": "2090-09-05T23:50:43+08:00", "utc": "2090-09-05T15:50:43Z", "ms": 3808309842926.0186 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-09-04", "window": { "start": { "local": "2090-09-04T12:27:30+08:00", "utc": "2090-09-04T04:27:30Z", "ms": 3808182450240.176 }, "end": { "local": "2090-09-04T13:15:30+08:00", "utc": "2090-09-04T05:15:30Z", "ms": 3808185330240.176 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-05", "window": { "start": { "local": "2090-09-05T12:27:10+08:00", "utc": "2090-09-05T04:27:10Z", "ms": 3808268830002.052 }, "end": { "local": "2090-09-05T13:15:10+08:00", "utc": "2090-09-05T05:15:10Z", "ms": 3808271710002.052 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:11 on Mon 4 Sep to 23:51 on Tue 5 Sep.", "fact": "2090-09-04T14:11:20Z → 2090-09-05T15:50:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 4th, 12:27–13:15 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32150 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Zunyi, 2090: Tuesday 5 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": "2090-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-05", "confidence": "determinate" } ], "quote": "In Zunyi, Vāmana Jayantī 2090 falls on Tuesday 5 September. Dvādaśī runs from 22:11 on Mon 4 Sep to 23:51 on Tue 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-09-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11443, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-09-05T23:50:43+08:00", "utc": "2090-09-05T15:50:43Z", "ms": 3808309842926.0186 }, "end": { "local": "2090-09-07T01:53:46+08:00", "utc": "2090-09-06T17:53:46Z", "ms": 3808403625935.7065 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-09-05T23:50:43+08:00", "utc": "2090-09-05T15:50:43Z", "ms": 3808309842926.0186 }, "end": { "local": "2090-09-07T01:53:46+08:00", "utc": "2090-09-06T17:53:46Z", "ms": 3808403625935.7065 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-09-05", "window": { "start": { "local": "2090-09-05T19:08:35+08:00", "utc": "2090-09-05T11:08:35Z", "ms": 3808292915069.882 }, "end": { "local": "2090-09-05T20:40:00+08:00", "utc": "2090-09-05T12:40:00Z", "ms": 3808298400024.511 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2090-09-06", "window": { "start": { "local": "2090-09-06T19:07:27+08:00", "utc": "2090-09-06T11:07:27Z", "ms": 3808379246840.826 }, "end": { "local": "2090-09-06T20:39:05+08:00", "utc": "2090-09-06T12:39:05Z", "ms": 3808384744520.674 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:51 on Tue 5 Sep to 01:54 on Thu 7 Sep.", "fact": "2090-09-05T15:50:43Z → 2090-09-06T17:53:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:40 on the 5th, 19:07–20:39 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 5th and 92 of 92 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11443 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Wednesday 6 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": "2090-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-06", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Wednesday 6 September. Trayodaśī runs from 23:51 on Tue 5 Sep to 01:54 on Thu 7 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-09-06", "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/2090/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8445, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-09-07T01:53:46+08:00", "utc": "2090-09-06T17:53:46Z", "ms": 3808403625935.7065 }, "end": { "local": "2090-09-08T04:14:22+08:00", "utc": "2090-09-07T20:14:22Z", "ms": 3808498461984.542 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2090-09-07T01:53:46+08:00", "utc": "2090-09-06T17:53:46Z", "ms": 3808403625935.7065 }, "end": { "local": "2090-09-08T04:14:22+08:00", "utc": "2090-09-07T20:14:22Z", "ms": 3808498461984.542 } }, "kaala": "udaya-3", "days": [ { "local_date": "2090-09-07", "window": { "start": { "local": "2090-09-07T06:34:39+08:00", "utc": "2090-09-06T22:34:39Z", "ms": 3808420479439.6836 }, "end": { "local": "2090-09-07T09:04:59+08:00", "utc": "2090-09-07T01:04:59Z", "ms": 3808429499208.0776 } }, "covered_min": 150, "window_min": 150, "qualifies": true }, { "local_date": "2090-09-08", "window": { "start": { "local": "2090-09-08T06:35:07+08:00", "utc": "2090-09-07T22:35:07Z", "ms": 3808506906578.539 }, "end": { "local": "2090-09-08T09:05:07+08:00", "utc": "2090-09-08T01:05:07Z", "ms": 3808515907147.0537 } }, "covered_min": 0, "window_min": 150, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:54 on Thu 7 Sep to 04:14 on Fri 8 Sep.", "fact": "2090-09-06T17:53:46Z → 2090-09-07T20:14:22Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:35–09:05 on the 7th, 06:35–09:05 on the 8th.", "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 150 of 150 minutes on the 7th and 0 of 150 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8445 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Zunyi, 2090: Thursday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-07", "confidence": "determinate" } ], "quote": "In Zunyi, Ananta Caturdaśī 2090 falls on Thursday 7 September. Caturdaśī runs from 01:54 on Thu 7 Sep to 04:14 on Fri 8 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-09-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18629, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-09-12T14:22:13+08:00", "utc": "2090-09-12T06:22:13Z", "ms": 3808880532984.7695 }, "end": { "local": "2090-09-13T16:29:39+08:00", "utc": "2090-09-13T08:29:39Z", "ms": 3808974578557.037 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-12T14:22:13+08:00", "utc": "2090-09-12T06:22:13Z", "ms": 3808880532984.7695 }, "end": { "local": "2090-09-13T16:29:39+08:00", "utc": "2090-09-13T08:29:39Z", "ms": 3808974578557.037 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-09-12", "window": { "start": { "local": "2090-09-12T21:02:53+08:00", "utc": "2090-09-12T13:02:53Z", "ms": 3808904573448.6704 }, "end": { "local": "2090-09-12T21:02:53+08:00", "utc": "2090-09-12T13:02:53Z", "ms": 3808904573448.6704 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-09-13", "window": { "start": { "local": "2090-09-13T21:40:07+08:00", "utc": "2090-09-13T13:40:07Z", "ms": 3808993207152.8354 }, "end": { "local": "2090-09-13T21:40:07+08:00", "utc": "2090-09-13T13:40:07Z", "ms": 3808993207152.8354 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:22 on Tue 12 Sep to 16:30 on Wed 13 Sep.", "fact": "2090-09-12T06:22:13Z → 2090-09-13T08:29:39Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 12th and 21:40 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18629 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Tuesday 12 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": "2090-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Tuesday 12 September. Caturthī runs from 14:22 on Tue 12 Sep to 16:30 on Wed 13 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-09-12", "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/2090/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13369, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-09-14T18:11:35+08:00", "utc": "2090-09-14T10:11:35Z", "ms": 3809067095238.153 }, "end": { "local": "2090-09-15T19:20:35+08:00", "utc": "2090-09-15T11:20:35Z", "ms": 3809157635217.9683 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-14T18:11:35+08:00", "utc": "2090-09-14T10:11:35Z", "ms": 3809067095238.153 }, "end": { "local": "2090-09-15T19:20:35+08:00", "utc": "2090-09-15T11:20:35Z", "ms": 3809157635217.9683 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-09-14", "window": { "start": { "local": "2090-09-14T22:20:01+08:00", "utc": "2090-09-14T14:20:01Z", "ms": 3809082001422.2417 }, "end": { "local": "2090-09-14T22:20:01+08:00", "utc": "2090-09-14T14:20:01Z", "ms": 3809082001422.2417 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-09-15", "window": { "start": { "local": "2090-09-15T23:03:24+08:00", "utc": "2090-09-15T15:03:24Z", "ms": 3809171004404.7827 }, "end": { "local": "2090-09-15T23:03:24+08:00", "utc": "2090-09-15T15:03:24Z", "ms": 3809171004404.7827 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:12 on Thu 14 Sep to 19:21 on Fri 15 Sep.", "fact": "2090-09-14T10:11:35Z → 2090-09-15T11:20:35Z" }, { "step": "kaala", "text": "Moonrise is at 22:20 on the 14th and 23:03 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13369 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Zunyi, 2090: Thursday 14 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": "2090-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-14", "confidence": "determinate" } ], "quote": "In Zunyi, Candra Ṣaṣṭhī 2090 falls on Thursday 14 September. Ṣaṣṭhī runs from 18:12 on Thu 14 Sep to 19:21 on Fri 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14425, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-09-16T19:50:32+08:00", "utc": "2090-09-16T11:50:32Z", "ms": 3809245832100.6997 }, "end": { "local": "2090-09-17T19:37:26+08:00", "utc": "2090-09-17T11:37:26Z", "ms": 3809331445827.183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-16T19:50:32+08:00", "utc": "2090-09-16T11:50:32Z", "ms": 3809245832100.6997 }, "end": { "local": "2090-09-17T19:37:26+08:00", "utc": "2090-09-17T11:37:26Z", "ms": 3809331445827.183 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-09-16", "window": { "start": { "local": "2090-09-16T23:50:57+08:00", "utc": "2090-09-16T15:50:57Z", "ms": 3809260256636.376 }, "end": { "local": "2090-09-16T23:50:57+08:00", "utc": "2090-09-16T15:50:57Z", "ms": 3809260256636.376 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-09-17", "window": { "start": { "local": "2090-09-18T00:43:02+08:00", "utc": "2090-09-17T16:43:02Z", "ms": 3809349782327.8135 }, "end": { "local": "2090-09-18T00:43:02+08:00", "utc": "2090-09-17T16:43:02Z", "ms": 3809349782327.8135 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:51 on Sat 16 Sep to 19:37 on Sun 17 Sep.", "fact": "2090-09-16T11:50:32Z → 2090-09-17T11:37:26Z" }, { "step": "kaala", "text": "Moonrise is at 23:51 on the 16th and 00:43 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14425 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Zunyi, 2090: Saturday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-16", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālakṣmī Vrata Samāpana 2090 falls on Saturday 16 September. Aṣṭamī runs from 19:51 on Sat 16 Sep to 19:37 on Sun 17 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2346, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-09-16T19:50:32+08:00", "utc": "2090-09-16T11:50:32Z", "ms": 3809245832100.6997 }, "end": { "local": "2090-09-17T19:37:26+08:00", "utc": "2090-09-17T11:37:26Z", "ms": 3809331445827.183 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-16T19:50:32+08:00", "utc": "2090-09-16T11:50:32Z", "ms": 3809245832100.6997 }, "end": { "local": "2090-09-17T19:37:26+08:00", "utc": "2090-09-17T11:37:26Z", "ms": 3809331445827.183 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-09-16", "window": { "start": { "local": "2090-09-16T18:55:51+08:00", "utc": "2090-09-16T10:55:51Z", "ms": 3809242551146.641 }, "end": { "local": "2090-09-16T20:29:38+08:00", "utc": "2090-09-16T12:29:38Z", "ms": 3809248177676.824 } }, "covered_min": 39, "window_min": 94, "qualifies": true }, { "local_date": "2090-09-17", "window": { "start": { "local": "2090-09-17T18:54:41+08:00", "utc": "2090-09-17T10:54:41Z", "ms": 3809328880867.626 }, "end": { "local": "2090-09-17T20:28:40+08:00", "utc": "2090-09-17T12:28:40Z", "ms": 3809334520403.455 } }, "covered_min": 43, "window_min": 94, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:51 on Sat 16 Sep to 19:37 on Sun 17 Sep.", "fact": "2090-09-16T11:50:32Z → 2090-09-17T11:37:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:30 on the 16th, 18:55–20:29 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 39 of 94 minutes on the 16th and 43 of 94 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "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 2346 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Zunyi, 2090: Sunday 17 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2090-09-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-16", "confidence": "boundary" } ], "quote": "In Zunyi, Jitāṣṭamī (Jitiya) 2090 falls on Sunday 17 September. Aṣṭamī runs from 19:51 on Sat 16 Sep to 19:37 on Sun 17 Sep and covers 43 of 94 minutes of pradoṣa that evening. It also reaches the previous evening for 39 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/2090/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/2090/ekadashi?on=2090-09-20", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28711, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-09-19T16:59:08+08:00", "utc": "2090-09-19T08:59:08Z", "ms": 3809494747910.8237 }, "end": { "local": "2090-09-20T14:39:03+08:00", "utc": "2090-09-20T06:39:03Z", "ms": 3809572742981.5547 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-19T16:59:08+08:00", "utc": "2090-09-19T08:59:08Z", "ms": 3809494747910.8237 }, "end": { "local": "2090-09-20T14:39:03+08:00", "utc": "2090-09-20T06:39:03Z", "ms": 3809572742981.5547 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-09-19", "window": { "start": { "local": "2090-09-19T06:40:05+08:00", "utc": "2090-09-18T22:40:05Z", "ms": 3809457604743.4453 }, "end": { "local": "2090-09-19T06:40:05+08:00", "utc": "2090-09-18T22:40:05Z", "ms": 3809457604743.4453 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-09-20", "window": { "start": { "local": "2090-09-20T06:40:32+08:00", "utc": "2090-09-19T22:40:32Z", "ms": 3809544032206.7544 }, "end": { "local": "2090-09-20T06:40:32+08:00", "utc": "2090-09-19T22:40:32Z", "ms": 3809544032206.7544 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:59 on Tue 19 Sep to 14:39 on Wed 20 Sep.", "fact": "2090-09-19T08:59:08Z → 2090-09-20T06:39:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 19th and 06:41 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 28711 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Zunyi, 2090: Wednesday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-20", "confidence": "determinate" } ], "quote": "In Zunyi, Indirā Ekādaśī 2090 falls on Wednesday 20 September. Ekādaśī runs from 16:59 on Tue 19 Sep to 14:39 on Wed 20 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-09-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25469, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-09-21T11:45:31+08:00", "utc": "2090-09-21T03:45:31Z", "ms": 3809648731171.0796 }, "end": { "local": "2090-09-22T08:26:03+08:00", "utc": "2090-09-22T00:26:03Z", "ms": 3809723162994.7974 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-21T11:45:31+08:00", "utc": "2090-09-21T03:45:31Z", "ms": 3809648731171.0796 }, "end": { "local": "2090-09-22T08:26:03+08:00", "utc": "2090-09-22T00:26:03Z", "ms": 3809723162994.7974 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-09-21", "window": { "start": { "local": "2090-09-21T18:50:00+08:00", "utc": "2090-09-21T10:50:00Z", "ms": 3809674199851.573 }, "end": { "local": "2090-09-21T20:24:52+08:00", "utc": "2090-09-21T12:24:52Z", "ms": 3809679891537.4834 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2090-09-22", "window": { "start": { "local": "2090-09-22T18:48:50+08:00", "utc": "2090-09-22T10:48:50Z", "ms": 3809760529750.2305 }, "end": { "local": "2090-09-22T20:23:54+08:00", "utc": "2090-09-22T12:23:54Z", "ms": 3809766234495.636 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:46 on Thu 21 Sep to 08:26 on Fri 22 Sep.", "fact": "2090-09-21T03:45:31Z → 2090-09-22T00:26:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:25 on the 21st, 18:49–20:24 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 21st and 0 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25469 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Thursday 21 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": "2090-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-21", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Thursday 21 September. Trayodaśī runs from 11:46 on Thu 21 Sep to 08:26 on Fri 22 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-09-21", "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/2090/shivaratri?on=2090-09-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13195, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-09-22T08:26:03+08:00", "utc": "2090-09-22T00:26:03Z", "ms": 3809723162994.7974 }, "end": { "local": "2090-09-23T04:49:17+08:00", "utc": "2090-09-22T20:49:17Z", "ms": 3809796557363.819 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-22T08:26:03+08:00", "utc": "2090-09-22T00:26:03Z", "ms": 3809723162994.7974 }, "end": { "local": "2090-09-23T04:49:17+08:00", "utc": "2090-09-22T20:49:17Z", "ms": 3809796557363.819 } }, "kaala": "nishita", "days": [ { "local_date": "2090-09-21", "window": { "start": { "local": "2090-09-22T00:21:44+08:00", "utc": "2090-09-21T16:21:44Z", "ms": 3809694103673.7363 }, "end": { "local": "2090-09-22T01:09:44+08:00", "utc": "2090-09-21T17:09:44Z", "ms": 3809696983673.7363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-22", "window": { "start": { "local": "2090-09-23T00:21:23+08:00", "utc": "2090-09-22T16:21:23Z", "ms": 3809780482545.503 }, "end": { "local": "2090-09-23T01:09:23+08:00", "utc": "2090-09-22T17:09:23Z", "ms": 3809783362545.503 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:26 on Fri 22 Sep to 04:49 on Sat 23 Sep.", "fact": "2090-09-22T00:26:03Z → 2090-09-22T20:49:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 21st, 00:21–01:09 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13195 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Friday 22 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": "2090-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-22", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Friday 22 September. Caturdaśī runs from 08:26 on Fri 22 Sep to 04:49 on Sat 23 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-09-22", "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/2090/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31327, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2090-09-23T04:49:17+08:00", "utc": "2090-09-22T20:49:17Z", "ms": 3809796557363.819 }, "end": { "local": "2090-09-24T01:04:38+08:00", "utc": "2090-09-23T17:04:38Z", "ms": 3809869477836.0347 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-23T04:49:17+08:00", "utc": "2090-09-22T20:49:17Z", "ms": 3809796557363.819 }, "end": { "local": "2090-09-24T01:04:38+08:00", "utc": "2090-09-23T17:04:38Z", "ms": 3809869477836.0347 } }, "kaala": "aparahna", "days": [ { "local_date": "2090-09-22", "window": { "start": { "local": "2090-09-22T13:57:53+08:00", "utc": "2090-09-22T05:57:53Z", "ms": 3809743072848.498 }, "end": { "local": "2090-09-22T16:23:21+08:00", "utc": "2090-09-22T08:23:21Z", "ms": 3809751801299.3643 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "2090-09-23", "window": { "start": { "local": "2090-09-23T13:57:22+08:00", "utc": "2090-09-23T05:57:22Z", "ms": 3809829441990.8374 }, "end": { "local": "2090-09-23T16:22:31+08:00", "utc": "2090-09-23T08:22:31Z", "ms": 3809838150874.192 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:49 on Sat 23 Sep to 01:05 on Sun 24 Sep.", "fact": "2090-09-22T20:49:17Z → 2090-09-23T17:04:38Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:58–16:23 on the 22nd, 13:57–16:23 on the 23rd.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 145 minutes on the 22nd and 145 of 145 on the 23rd.", "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 31327 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Zunyi, 2090: Saturday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-23", "confidence": "determinate" } ], "quote": "In Zunyi, Mahālaya Amāvāsyā 2090 falls on Saturday 23 September. Amāvasyā runs from 04:49 on Sat 23 Sep to 01:05 on Sun 24 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29606, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-09-24T01:04:38+08:00", "utc": "2090-09-23T17:04:38Z", "ms": 3809869477836.0347 }, "end": { "local": "2090-09-24T21:21:53+08:00", "utc": "2090-09-24T13:21:53Z", "ms": 3809942512763.2427 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-24T01:04:38+08:00", "utc": "2090-09-23T17:04:38Z", "ms": 3809869477836.0347 }, "end": { "local": "2090-09-24T21:21:53+08:00", "utc": "2090-09-24T13:21:53Z", "ms": 3809942512763.2427 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-09-23", "window": { "start": { "local": "2090-09-23T12:20:48+08:00", "utc": "2090-09-23T04:20:48Z", "ms": 3809823647549.16 }, "end": { "local": "2090-09-23T13:08:48+08:00", "utc": "2090-09-23T05:08:48Z", "ms": 3809826527549.16 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-24", "window": { "start": { "local": "2090-09-24T12:20:27+08:00", "utc": "2090-09-24T04:20:27Z", "ms": 3809910026613.1436 }, "end": { "local": "2090-09-24T13:08:27+08:00", "utc": "2090-09-24T05:08:27Z", "ms": 3809912906613.1436 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:05 on Sun 24 Sep to 21:22 on Sun 24 Sep.", "fact": "2090-09-23T17:04:38Z → 2090-09-24T13:21:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 23rd, 12:20–13:08 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29606 s" }, { "step": "ruling", "text": "Navarātrārambha, Zunyi, 2090: Sunday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-24", "confidence": "determinate" } ], "quote": "In Zunyi, Navarātrārambha (Navratri) 2090 falls on Sunday 24 September. Pratipadā runs from 01:05 on Sun 24 Sep to 21:22 on Sun 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-09-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1002, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-09-26T14:41:32+08:00", "utc": "2090-09-26T06:41:32Z", "ms": 3810091292494.1274 }, "end": { "local": "2090-09-27T12:02:42+08:00", "utc": "2090-09-27T04:02:42Z", "ms": 3810168162436.0674 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-26T14:41:32+08:00", "utc": "2090-09-26T06:41:32Z", "ms": 3810091292494.1274 }, "end": { "local": "2090-09-27T12:02:42+08:00", "utc": "2090-09-27T04:02:42Z", "ms": 3810168162436.0674 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-09-26", "window": { "start": { "local": "2090-09-26T12:19:45+08:00", "utc": "2090-09-26T04:19:45Z", "ms": 3810082785215.455 }, "end": { "local": "2090-09-26T13:07:45+08:00", "utc": "2090-09-26T05:07:45Z", "ms": 3810085665215.455 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-27", "window": { "start": { "local": "2090-09-27T12:19:25+08:00", "utc": "2090-09-27T04:19:25Z", "ms": 3810169164785.417 }, "end": { "local": "2090-09-27T13:07:25+08:00", "utc": "2090-09-27T05:07:25Z", "ms": 3810172044785.417 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:42 on Tue 26 Sep to 12:03 on Wed 27 Sep.", "fact": "2090-09-26T06:41:32Z → 2090-09-27T04:02:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 26th, 12:19–13:07 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1002 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Wednesday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-27", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Wednesday 27 September. Caturthī runs from 14:42 on Tue 26 Sep to 12:03 on Wed 27 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-09-27", "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/2090/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2734, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-09-29T08:46:25+08:00", "utc": "2090-09-29T00:46:25Z", "ms": 3810329185216.092 }, "end": { "local": "2090-09-30T08:18:26+08:00", "utc": "2090-09-30T00:18:26Z", "ms": 3810413905634.4683 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-29T08:46:25+08:00", "utc": "2090-09-29T00:46:25Z", "ms": 3810329185216.092 }, "end": { "local": "2090-09-30T08:18:26+08:00", "utc": "2090-09-30T00:18:26Z", "ms": 3810413905634.4683 } }, "kaala": "udaya-1", "days": [ { "local_date": "2090-09-29", "window": { "start": { "local": "2090-09-29T06:44:46+08:00", "utc": "2090-09-28T22:44:46Z", "ms": 3810321885735.294 }, "end": { "local": "2090-09-29T07:32:30+08:00", "utc": "2090-09-28T23:32:30Z", "ms": 3810324749577.1616 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-09-30", "window": { "start": { "local": "2090-09-30T06:45:15+08:00", "utc": "2090-09-29T22:45:15Z", "ms": 3810408314774.774 }, "end": { "local": "2090-09-30T07:32:52+08:00", "utc": "2090-09-29T23:32:52Z", "ms": 3810411172108.9355 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:46 on Fri 29 Sep to 08:18 on Sat 30 Sep.", "fact": "2090-09-29T00:46:25Z → 2090-09-30T00:18:26Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:45–07:32 on the 29th, 06:45–07:33 on the 30th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2734 s" }, { "step": "ruling", "text": "Durgā Saptamī, Zunyi, 2090: Saturday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-30", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Saptamī 2090 falls on Saturday 30 September. Saptamī runs from 08:46 on Fri 29 Sep to 08:18 on Sat 30 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13172, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-09-30T08:18:26+08:00", "utc": "2090-09-30T00:18:26Z", "ms": 3810413905634.4683 }, "end": { "local": "2090-10-01T08:38:33+08:00", "utc": "2090-10-01T00:38:33Z", "ms": 3810501513462.3213 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-09-30T08:18:26+08:00", "utc": "2090-09-30T00:18:26Z", "ms": 3810413905634.4683 }, "end": { "local": "2090-10-01T08:38:33+08:00", "utc": "2090-10-01T00:38:33Z", "ms": 3810501513462.3213 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-09-30", "window": { "start": { "local": "2090-09-30T12:18:25+08:00", "utc": "2090-09-30T04:18:25Z", "ms": 3810428304780.9863 }, "end": { "local": "2090-09-30T13:06:25+08:00", "utc": "2090-09-30T05:06:25Z", "ms": 3810431184780.9863 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-01", "window": { "start": { "local": "2090-10-01T12:18:05+08:00", "utc": "2090-10-01T04:18:05Z", "ms": 3810514685272.551 }, "end": { "local": "2090-10-01T13:06:05+08:00", "utc": "2090-10-01T05:06:05Z", "ms": 3810517565272.551 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:18 on Sat 30 Sep to 08:39 on Sun 1 Oct.", "fact": "2090-09-30T00:18:26Z → 2090-10-01T00:38:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 30th, 12:18–13:06 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13172 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Zunyi, 2090: Saturday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-09-30", "confidence": "determinate" } ], "quote": "In Zunyi, Mahāṣṭamī (Durga Ashtami) 2090 falls on Saturday 30 September. Aṣṭamī runs from 08:18 on Sat 30 Sep to 08:39 on Sun 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9257, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2090-10-01T08:38:33+08:00", "utc": "2090-10-01T00:38:33Z", "ms": 3810501513462.3213 }, "end": { "local": "2090-10-02T09:43:29+08:00", "utc": "2090-10-02T01:43:29Z", "ms": 3810591809015.866 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-10-01T08:38:33+08:00", "utc": "2090-10-01T00:38:33Z", "ms": 3810501513462.3213 }, "end": { "local": "2090-10-02T09:43:29+08:00", "utc": "2090-10-02T01:43:29Z", "ms": 3810591809015.866 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-01", "window": { "start": { "local": "2090-10-01T12:18:05+08:00", "utc": "2090-10-01T04:18:05Z", "ms": 3810514685272.551 }, "end": { "local": "2090-10-01T13:06:05+08:00", "utc": "2090-10-01T05:06:05Z", "ms": 3810517565272.551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-02", "window": { "start": { "local": "2090-10-02T12:17:46+08:00", "utc": "2090-10-02T04:17:46Z", "ms": 3810601066044.9336 }, "end": { "local": "2090-10-02T13:05:46+08:00", "utc": "2090-10-02T05:05:46Z", "ms": 3810603946044.9336 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:39 on Sun 1 Oct to 09:43 on Mon 2 Oct.", "fact": "2090-10-01T00:38:33Z → 2090-10-02T01:43:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 1st, 12:18–13:06 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9257 s" }, { "step": "ruling", "text": "Mahānavamī, Zunyi, 2090: Sunday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-01", "confidence": "determinate" } ], "quote": "In Zunyi, Mahānavamī 2090 falls on Sunday 1 October. Navamī runs from 08:39 on Sun 1 Oct to 09:43 on Mon 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16790, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2090-10-02T09:43:29+08:00", "utc": "2090-10-02T01:43:29Z", "ms": 3810591809015.866 }, "end": { "local": "2090-10-03T11:26:33+08:00", "utc": "2090-10-03T03:26:33Z", "ms": 3810684393379.9775 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2090-10-03T00:54:28+08:00", "utc": "2090-10-02T16:54:28Z", "ms": 3810646467904.8643 }, "end": { "local": "2090-10-03T11:26:33+08:00", "utc": "2090-10-03T03:26:33Z", "ms": 3810684393379.9775 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2090-10-03T00:54:28+08:00", "utc": "2090-10-02T16:54:28Z", "ms": 3810646467904.8643 }, "end": { "local": "2090-10-04T03:28:05+08:00", "utc": "2090-10-03T19:28:05Z", "ms": 3810742084918.826 } } }, "kaala": "daytime", "days": [ { "local_date": "2090-10-02", "window": { "start": { "local": "2090-10-02T06:46:14+08:00", "utc": "2090-10-01T22:46:14Z", "ms": 3810581173506.805 }, "end": { "local": "2090-10-02T18:37:19+08:00", "utc": "2090-10-02T10:37:19Z", "ms": 3810623838583.0625 } }, "covered_min": 0, "window_min": 711, "qualifies": false }, { "local_date": "2090-10-03", "window": { "start": { "local": "2090-10-03T06:46:43+08:00", "utc": "2090-10-02T22:46:43Z", "ms": 3810667603226.7476 }, "end": { "local": "2090-10-03T18:36:11+08:00", "utc": "2090-10-03T10:36:11Z", "ms": 3810710171012.44 } }, "covered_min": 280, "window_min": 709, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 09:43 on Mon 2 Oct to 11:27 on Tue 3 Oct, and Śravaṇa from 00:54 on Tue 3 Oct to 03:28 on Wed 4 Oct. They are together from 00:54 on Tue 3 Oct to 11:27 on Tue 3 Oct.", "fact": "2090-10-02T16:54:28Z → 2090-10-03T03:26:33Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:46–18:37 on the 2nd, 06:47–18:36 on the 3rd.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 711 minutes on the 2nd and 280 of 709 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16790 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Zunyi, 2090: Tuesday 3 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": "2090-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-03", "confidence": "determinate" } ], "quote": "In Zunyi, Vijayā Daśamī (Dussehra) 2090 falls on Tuesday 3 October. Daśamī runs from 09:43 on Mon 2 Oct to 11:27 on Tue 3 Oct and is with Śravaṇa in the day time that day, for 280 minutes.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-10-04", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16790, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-10-03T11:26:33+08:00", "utc": "2090-10-03T03:26:33Z", "ms": 3810684393379.9775 }, "end": { "local": "2090-10-04T13:38:37+08:00", "utc": "2090-10-04T05:38:37Z", "ms": 3810778717438.731 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-10-03T11:26:33+08:00", "utc": "2090-10-03T03:26:33Z", "ms": 3810684393379.9775 }, "end": { "local": "2090-10-04T13:38:37+08:00", "utc": "2090-10-04T05:38:37Z", "ms": 3810778717438.731 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-10-03", "window": { "start": { "local": "2090-10-03T06:46:43+08:00", "utc": "2090-10-02T22:46:43Z", "ms": 3810667603226.7476 }, "end": { "local": "2090-10-03T06:46:43+08:00", "utc": "2090-10-02T22:46:43Z", "ms": 3810667603226.7476 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-10-04", "window": { "start": { "local": "2090-10-04T06:47:13+08:00", "utc": "2090-10-03T22:47:13Z", "ms": 3810754033201.692 }, "end": { "local": "2090-10-04T06:47:13+08:00", "utc": "2090-10-03T22:47:13Z", "ms": 3810754033201.692 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:27 on Tue 3 Oct to 13:39 on Wed 4 Oct.", "fact": "2090-10-03T03:26:33Z → 2090-10-04T05:38:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 3rd and 06:47 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16790 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Zunyi, 2090: Wednesday 4 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": "2090-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-04", "confidence": "determinate" } ], "quote": "In Zunyi, Pāśāṅkuśā Ekādaśī 2090 falls on Wednesday 4 October. Ekādaśī runs from 11:27 on Tue 3 Oct to 13:39 on Wed 4 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-10-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-05", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 922, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-10-05T16:09:17+08:00", "utc": "2090-10-05T08:09:17Z", "ms": 3810874156913.366 }, "end": { "local": "2090-10-06T18:48:12+08:00", "utc": "2090-10-06T10:48:12Z", "ms": 3810970092300.7725 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2090-10-05T16:09:17+08:00", "utc": "2090-10-05T08:09:17Z", "ms": 3810874156913.366 }, "end": { "local": "2090-10-06T18:48:12+08:00", "utc": "2090-10-06T10:48:12Z", "ms": 3810970092300.7725 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-05", "window": { "start": { "local": "2090-10-05T18:33:57+08:00", "utc": "2090-10-05T10:33:57Z", "ms": 3810882837080.5146 }, "end": { "local": "2090-10-05T20:11:51+08:00", "utc": "2090-10-05T12:11:51Z", "ms": 3810888711333.1675 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "2090-10-06", "window": { "start": { "local": "2090-10-06T18:32:51+08:00", "utc": "2090-10-06T10:32:51Z", "ms": 3810969170778.66 }, "end": { "local": "2090-10-06T20:10:58+08:00", "utc": "2090-10-06T12:10:58Z", "ms": 3810975057982.03 } }, "covered_min": 15, "window_min": 98, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:09 on Thu 5 Oct to 18:48 on Fri 6 Oct.", "fact": "2090-10-05T08:09:17Z → 2090-10-06T10:48:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:12 on the 5th, 18:33–20:11 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 5th and 15 of 98 on the 6th.", "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 922 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Thursday 5 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-05", "confidence": "boundary" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Thursday 5 October. Trayodaśī runs from 16:09 on Thu 5 Oct to 18:48 on Fri 6 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 15 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/2090/pradosha-vrata?on=2090-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33649, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-10-12T05:40:25+08:00", "utc": "2090-10-11T21:40:25Z", "ms": 3811441224859.4346 }, "end": { "local": "2090-10-13T06:47:53+08:00", "utc": "2090-10-12T22:47:53Z", "ms": 3811531673001.822 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-12T05:40:25+08:00", "utc": "2090-10-11T21:40:25Z", "ms": 3811441224859.4346 }, "end": { "local": "2090-10-13T06:47:53+08:00", "utc": "2090-10-12T22:47:53Z", "ms": 3811531673001.822 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-10-11", "window": { "start": { "local": "2090-10-11T20:19:36+08:00", "utc": "2090-10-11T12:19:36Z", "ms": 3811407575743.356 }, "end": { "local": "2090-10-11T20:19:36+08:00", "utc": "2090-10-11T12:19:36Z", "ms": 3811407575743.356 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-10-12", "window": { "start": { "local": "2090-10-12T21:01:44+08:00", "utc": "2090-10-12T13:01:44Z", "ms": 3811496503908.856 }, "end": { "local": "2090-10-12T21:01:44+08:00", "utc": "2090-10-12T13:01:44Z", "ms": 3811496503908.856 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:40 on Thu 12 Oct to 06:48 on Fri 13 Oct.", "fact": "2090-10-11T21:40:25Z → 2090-10-12T22:47:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 11th and 21:02 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33649 s" }, { "step": "ruling", "text": "Karaka Caturthī, Zunyi, 2090: Thursday 12 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": "2090-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-12", "confidence": "determinate" } ], "quote": "In Zunyi, Karaka Caturthī (Karwa Chauth) 2090 falls on Thursday 12 October. Caturthī runs from 05:40 on Thu 12 Oct to 06:48 on Fri 13 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-10-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33649, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-10-12T05:40:25+08:00", "utc": "2090-10-11T21:40:25Z", "ms": 3811441224859.4346 }, "end": { "local": "2090-10-13T06:47:53+08:00", "utc": "2090-10-12T22:47:53Z", "ms": 3811531673001.822 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-12T05:40:25+08:00", "utc": "2090-10-11T21:40:25Z", "ms": 3811441224859.4346 }, "end": { "local": "2090-10-13T06:47:53+08:00", "utc": "2090-10-12T22:47:53Z", "ms": 3811531673001.822 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-10-11", "window": { "start": { "local": "2090-10-11T20:19:36+08:00", "utc": "2090-10-11T12:19:36Z", "ms": 3811407575743.356 }, "end": { "local": "2090-10-11T20:19:36+08:00", "utc": "2090-10-11T12:19:36Z", "ms": 3811407575743.356 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-10-12", "window": { "start": { "local": "2090-10-12T21:01:44+08:00", "utc": "2090-10-12T13:01:44Z", "ms": 3811496503908.856 }, "end": { "local": "2090-10-12T21:01:44+08:00", "utc": "2090-10-12T13:01:44Z", "ms": 3811496503908.856 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:40 on Thu 12 Oct to 06:48 on Fri 13 Oct.", "fact": "2090-10-11T21:40:25Z → 2090-10-12T22:47:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:20 on the 11th and 21:02 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33649 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Thursday 12 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": "2090-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-12", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Thursday 12 October. Caturthī runs from 05:40 on Thu 12 Oct to 06:48 on Fri 13 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20057, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-10-16T07:05:16+08:00", "utc": "2090-10-15T23:05:16Z", "ms": 3811791915890.3013 }, "end": { "local": "2090-10-17T06:02:29+08:00", "utc": "2090-10-16T22:02:29Z", "ms": 3811874548658.317 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-16T07:05:16+08:00", "utc": "2090-10-15T23:05:16Z", "ms": 3811791915890.3013 }, "end": { "local": "2090-10-17T06:02:29+08:00", "utc": "2090-10-16T22:02:29Z", "ms": 3811874548658.317 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-10-15", "window": { "start": { "local": "2090-10-15T23:30:54+08:00", "utc": "2090-10-15T15:30:54Z", "ms": 3811764653873.678 }, "end": { "local": "2090-10-15T23:30:54+08:00", "utc": "2090-10-15T15:30:54Z", "ms": 3811764653873.678 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-10-16", "window": { "start": { "local": "2090-10-17T00:28:12+08:00", "utc": "2090-10-16T16:28:12Z", "ms": 3811854492150.469 }, "end": { "local": "2090-10-17T00:28:12+08:00", "utc": "2090-10-16T16:28:12Z", "ms": 3811854492150.469 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:05 on Mon 16 Oct to 06:02 on Tue 17 Oct.", "fact": "2090-10-15T23:05:16Z → 2090-10-16T22:02:29Z" }, { "step": "kaala", "text": "Moonrise is at 23:31 on the 15th and 00:28 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20057 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Zunyi, 2090: Monday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-16", "confidence": "determinate" } ], "quote": "In Zunyi, Ahoyī Aṣṭamī 2090 falls on Monday 16 October. Aṣṭamī runs from 07:05 on Mon 16 Oct to 06:02 on Tue 17 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-10-19", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16896, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-10-19T02:13:47+08:00", "utc": "2090-10-18T18:13:47Z", "ms": 3812033627214.801 }, "end": { "local": "2090-10-19T23:33:34+08:00", "utc": "2090-10-19T15:33:34Z", "ms": 3812110414423.637 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-19T02:13:47+08:00", "utc": "2090-10-18T18:13:47Z", "ms": 3812033627214.801 }, "end": { "local": "2090-10-19T23:33:34+08:00", "utc": "2090-10-19T15:33:34Z", "ms": 3812110414423.637 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-10-19", "window": { "start": { "local": "2090-10-19T06:55:23+08:00", "utc": "2090-10-18T22:55:23Z", "ms": 3812050523124.3623 }, "end": { "local": "2090-10-19T06:55:23+08:00", "utc": "2090-10-18T22:55:23Z", "ms": 3812050523124.3623 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-10-20", "window": { "start": { "local": "2090-10-20T06:55:59+08:00", "utc": "2090-10-19T22:55:59Z", "ms": 3812136959014.2275 }, "end": { "local": "2090-10-20T06:55:59+08:00", "utc": "2090-10-19T22:55:59Z", "ms": 3812136959014.2275 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:14 on Thu 19 Oct to 23:34 on Thu 19 Oct.", "fact": "2090-10-18T18:13:47Z → 2090-10-19T15:33:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 19th and 06:56 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 16896 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Zunyi, 2090: Thursday 19 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": "2090-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-19", "confidence": "determinate" } ], "quote": "In Zunyi, Ramā Ekādaśī 2090 falls on Thursday 19 October. Ekādaśī runs from 02:14 on Thu 19 Oct to 23:34 on Thu 19 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1800, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-10-19T23:33:34+08:00", "utc": "2090-10-19T15:33:34Z", "ms": 3812110414423.637 }, "end": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-19T23:33:34+08:00", "utc": "2090-10-19T15:33:34Z", "ms": 3812110414423.637 }, "end": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-19", "window": { "start": { "local": "2090-10-19T18:19:24+08:00", "utc": "2090-10-19T10:19:24Z", "ms": 3812091563809.8545 }, "end": { "local": "2090-10-19T20:00:17+08:00", "utc": "2090-10-19T12:00:17Z", "ms": 3812097616503.771 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2090-10-20", "window": { "start": { "local": "2090-10-20T18:18:27+08:00", "utc": "2090-10-20T10:18:27Z", "ms": 3812177907001.424 }, "end": { "local": "2090-10-20T19:59:32+08:00", "utc": "2090-10-20T11:59:32Z", "ms": 3812183972114.1904 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:34 on Thu 19 Oct to 20:30 on Fri 20 Oct.", "fact": "2090-10-19T15:33:34Z → 2090-10-20T12:29:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:00 on the 19th, 18:18–20:00 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 19th and 101 of 101 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1800 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Zunyi, 2090: Friday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Govatsa Dvādaśī (Vasu Baras) 2090 falls on Friday 20 October. Dvādaśī runs from 23:34 on Thu 19 Oct to 20:30 on Fri 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1800, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 }, "end": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 }, "end": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-20", "window": { "start": { "local": "2090-10-20T18:18:27+08:00", "utc": "2090-10-20T10:18:27Z", "ms": 3812177907001.424 }, "end": { "local": "2090-10-20T19:59:32+08:00", "utc": "2090-10-20T11:59:32Z", "ms": 3812183972114.1904 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2090-10-21", "window": { "start": { "local": "2090-10-21T18:17:31+08:00", "utc": "2090-10-21T10:17:31Z", "ms": 3812264251083.0835 }, "end": { "local": "2090-10-21T19:58:49+08:00", "utc": "2090-10-21T11:58:49Z", "ms": 3812270328555.018 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:30 on Fri 20 Oct to 17:09 on Sat 21 Oct.", "fact": "2090-10-20T12:29:32Z → 2090-10-21T09:08:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–20:00 on the 20th, 18:18–19:59 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 101 minutes on the 20th and 0 of 101 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1800 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Zunyi, 2090: Friday 20 October.", "fact": "confidence: boundary (absent-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": "2090-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dīpadāna 2090 falls on Friday 20 October. Trayodaśī runs from 20:30 on Fri 20 Oct to 17:09 on Sat 21 Oct, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-10-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1800, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 }, "end": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-20T20:29:32+08:00", "utc": "2090-10-20T12:29:32Z", "ms": 3812185771812.4844 }, "end": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-20", "window": { "start": { "local": "2090-10-20T18:18:27+08:00", "utc": "2090-10-20T10:18:27Z", "ms": 3812177907001.424 }, "end": { "local": "2090-10-20T19:59:32+08:00", "utc": "2090-10-20T11:59:32Z", "ms": 3812183972114.1904 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2090-10-21", "window": { "start": { "local": "2090-10-21T18:17:31+08:00", "utc": "2090-10-21T10:17:31Z", "ms": 3812264251083.0835 }, "end": { "local": "2090-10-21T19:58:49+08:00", "utc": "2090-10-21T11:58:49Z", "ms": 3812270328555.018 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:30 on Fri 20 Oct to 17:09 on Sat 21 Oct.", "fact": "2090-10-20T12:29:32Z → 2090-10-21T09:08:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–20:00 on the 20th, 18:18–19:59 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 101 minutes on the 20th and 0 of 101 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1800 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Friday 20 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-20", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Friday 20 October. Trayodaśī runs from 20:30 on Fri 20 Oct to 17:09 on Sat 21 Oct, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-10-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25479, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "end": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "end": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 } }, "kaala": "nishita", "days": [ { "local_date": "2090-10-21", "window": { "start": { "local": "2090-10-22T00:13:22+08:00", "utc": "2090-10-21T16:13:22Z", "ms": 3812285601602.8374 }, "end": { "local": "2090-10-22T01:01:22+08:00", "utc": "2090-10-21T17:01:22Z", "ms": 3812288481602.8374 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-22", "window": { "start": { "local": "2090-10-23T00:13:13+08:00", "utc": "2090-10-22T16:13:13Z", "ms": 3812371992708.249 }, "end": { "local": "2090-10-23T01:01:13+08:00", "utc": "2090-10-22T17:01:13Z", "ms": 3812374872708.249 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:09 on Sat 21 Oct to 13:39 on Sun 22 Oct.", "fact": "2090-10-21T09:08:43Z → 2090-10-22T05:39:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 21st, 00:13–01:01 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25479 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Saturday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-21", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Saturday 21 October. Caturdaśī runs from 17:09 on Sat 21 Oct to 13:39 on Sun 22 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-10-21", "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/2090/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24135, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "end": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-21T17:08:43+08:00", "utc": "2090-10-21T09:08:43Z", "ms": 3812260122514.929 }, "end": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 } }, "kaala": "arunodaya", "days": [ { "local_date": "2090-10-21", "window": { "start": { "local": "2090-10-21T05:15:30+08:00", "utc": "2090-10-20T21:15:30Z", "ms": 3812217330234.406 }, "end": { "local": "2090-10-21T06:56:35+08:00", "utc": "2090-10-20T22:56:35Z", "ms": 3812223395347.1724 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2090-10-22", "window": { "start": { "local": "2090-10-22T05:15:55+08:00", "utc": "2090-10-21T21:15:55Z", "ms": 3812303754650.6567 }, "end": { "local": "2090-10-22T06:57:12+08:00", "utc": "2090-10-21T22:57:12Z", "ms": 3812309832122.5913 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:09 on Sat 21 Oct to 13:39 on Sun 22 Oct.", "fact": "2090-10-21T09:08:43Z → 2090-10-22T05:39:27Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:16–06:57 on the 21st, 05:16–06:57 on the 22nd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 101 minutes on the 21st and 101 of 101 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24135 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Zunyi, 2090: Sunday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Naraka Caturdaśī (Choti Diwali) 2090 falls on Sunday 22 October. Caturdaśī runs from 17:09 on Sat 21 Oct to 13:39 on Sun 22 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16629, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "end": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "end": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-22", "window": { "start": { "local": "2090-10-22T18:16:36+08:00", "utc": "2090-10-22T10:16:36Z", "ms": 3812350596078.398 }, "end": { "local": "2090-10-22T19:58:06+08:00", "utc": "2090-10-22T11:58:06Z", "ms": 3812356685846.3584 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2090-10-23", "window": { "start": { "local": "2090-10-23T18:15:42+08:00", "utc": "2090-10-23T10:15:42Z", "ms": 3812436942010.094 }, "end": { "local": "2090-10-23T19:57:24+08:00", "utc": "2090-10-23T11:57:24Z", "ms": 3812443044007.4014 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:39 on Sun 22 Oct to 10:11 on Mon 23 Oct.", "fact": "2090-10-22T05:39:27Z → 2090-10-23T02:11:06Z" }, { "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": "Amāvasyā must be present during pradoṣa. It covers 101 of 101 minutes on the 22nd and 0 of 102 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 16629 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Zunyi, 2090: Sunday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Lakṣmī Pūjā (Diwali) 2090 falls on Sunday 22 October. Amāvasyā runs from 13:39 on Sun 22 Oct to 10:11 on Mon 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32993, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "end": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-22T13:39:27+08:00", "utc": "2090-10-22T05:39:27Z", "ms": 3812333967122.273 }, "end": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 } }, "kaala": "nishita", "days": [ { "local_date": "2090-10-21", "window": { "start": { "local": "2090-10-22T00:13:22+08:00", "utc": "2090-10-21T16:13:22Z", "ms": 3812285601602.8374 }, "end": { "local": "2090-10-22T01:01:22+08:00", "utc": "2090-10-21T17:01:22Z", "ms": 3812288481602.8374 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-10-22", "window": { "start": { "local": "2090-10-23T00:13:13+08:00", "utc": "2090-10-22T16:13:13Z", "ms": 3812371992708.249 }, "end": { "local": "2090-10-23T01:01:13+08:00", "utc": "2090-10-22T17:01:13Z", "ms": 3812374872708.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:39 on Sun 22 Oct to 10:11 on Mon 23 Oct.", "fact": "2090-10-22T05:39:27Z → 2090-10-23T02:11:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 21st, 00:13–01:01 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32993 s" }, { "step": "ruling", "text": "Kālī Pūjā, Zunyi, 2090: Sunday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-22", "confidence": "determinate" } ], "quote": "In Zunyi, Kālī Pūjā 2090 falls on Sunday 22 October. Amāvasyā runs from 13:39 on Sun 22 Oct to 10:11 on Mon 23 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7300, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-23", "window": { "start": { "local": "2090-10-23T12:12:46+08:00", "utc": "2090-10-23T04:12:46Z", "ms": 3812415165674.097 }, "end": { "local": "2090-10-23T13:00:46+08:00", "utc": "2090-10-23T05:00:46Z", "ms": 3812418045674.097 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-24", "window": { "start": { "local": "2090-10-24T12:12:38+08:00", "utc": "2090-10-24T04:12:38Z", "ms": 3812501557945.25 }, "end": { "local": "2090-10-24T13:00:38+08:00", "utc": "2090-10-24T05:00:38Z", "ms": 3812504437945.25 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct.", "fact": "2090-10-23T02:11:06Z → 2090-10-23T22:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 23rd, 12:13–13:01 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7300 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Zunyi, 2090: Monday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-23", "confidence": "determinate" } ], "quote": "In Zunyi, Govardhana Pūjā 2090 falls on Monday 23 October. Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29076, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-10-23", "window": { "start": { "local": "2090-10-23T18:15:42+08:00", "utc": "2090-10-23T10:15:42Z", "ms": 3812436942010.094 }, "end": { "local": "2090-10-23T19:57:24+08:00", "utc": "2090-10-23T11:57:24Z", "ms": 3812443044007.4014 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2090-10-24", "window": { "start": { "local": "2090-10-24T18:14:49+08:00", "utc": "2090-10-24T10:14:49Z", "ms": 3812523288900.6025 }, "end": { "local": "2090-10-24T19:56:43+08:00", "utc": "2090-10-24T11:56:43Z", "ms": 3812529403056.9546 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct.", "fact": "2090-10-23T02:11:06Z → 2090-10-23T22:53:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:57 on the 23rd, 18:15–19:57 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 102 of 102 minutes on the 23rd and 0 of 102 on the 24th.", "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 29076 s" }, { "step": "ruling", "text": "Bali Pūjā, Zunyi, 2090: Monday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-23", "confidence": "determinate" } ], "quote": "In Zunyi, Bali Pūjā 2090 falls on Monday 23 October. Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-23", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 290, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-23T10:11:06+08:00", "utc": "2090-10-23T02:11:06Z", "ms": 3812407865608.3887 }, "end": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 } }, "kaala": "purvahna", "days": [ { "local_date": "2090-10-23", "window": { "start": { "local": "2090-10-23T06:57:49+08:00", "utc": "2090-10-22T22:57:49Z", "ms": 3812396269338.1 }, "end": { "local": "2090-10-23T10:43:47+08:00", "utc": "2090-10-23T02:43:47Z", "ms": 3812409826895.4316 } }, "covered_min": 33, "window_min": 226, "qualifies": true }, { "local_date": "2090-10-24", "window": { "start": { "local": "2090-10-24T06:58:27+08:00", "utc": "2090-10-23T22:58:27Z", "ms": 3812482706989.898 }, "end": { "local": "2090-10-24T10:43:54+08:00", "utc": "2090-10-24T02:43:54Z", "ms": 3812496234293.4663 } }, "covered_min": 0, "window_min": 225, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct.", "fact": "2090-10-23T02:11:06Z → 2090-10-23T22:53:37Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:58–10:44 on the 23rd, 06:58–10:44 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 33 of 226 minutes on the 23rd and 0 of 225 on the 24th.", "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 290 s < 300 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Zunyi, 2090: Monday 23 October.", "fact": "confidence: boundary (margin)" } ], "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": "2090-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-23", "confidence": "boundary" } ], "quote": "In Zunyi, Dyūta Pratipad 2090 falls on Monday 23 October. Pratipadā runs from 10:11 on Mon 23 Oct to 06:54 on Tue 24 Oct and covers 33 of 226 minutes of pūrvāhṇa that forenoon. It is 4 min 50 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19141, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 }, "end": { "local": "2090-10-25T03:57:16+08:00", "utc": "2090-10-24T19:57:16Z", "ms": 3812558235716.766 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-24T06:53:37+08:00", "utc": "2090-10-23T22:53:37Z", "ms": 3812482417110.2197 }, "end": { "local": "2090-10-25T03:57:16+08:00", "utc": "2090-10-24T19:57:16Z", "ms": 3812558235716.766 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-24", "window": { "start": { "local": "2090-10-24T12:12:38+08:00", "utc": "2090-10-24T04:12:38Z", "ms": 3812501557945.25 }, "end": { "local": "2090-10-24T13:00:38+08:00", "utc": "2090-10-24T05:00:38Z", "ms": 3812504437945.25 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-25", "window": { "start": { "local": "2090-10-25T12:12:31+08:00", "utc": "2090-10-25T04:12:31Z", "ms": 3812587950922.9385 }, "end": { "local": "2090-10-25T13:00:31+08:00", "utc": "2090-10-25T05:00:31Z", "ms": 3812590830922.9385 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 06:54 on Tue 24 Oct to 03:57 on Wed 25 Oct.", "fact": "2090-10-23T22:53:37Z → 2090-10-24T19:57:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 24th, 12:13–13:01 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19141 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Zunyi, 2090: Tuesday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-24", "confidence": "determinate" } ], "quote": "In Zunyi, Yama Dvitīyā (Bhai Dooj) 2090 falls on Tuesday 24 October. Dvitīyā runs from 06:54 on Tue 24 Oct to 03:57 on Wed 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38426, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-10-26T01:31:59+08:00", "utc": "2090-10-25T17:31:59Z", "ms": 3812635918957.7056 }, "end": { "local": "2090-10-26T23:46:45+08:00", "utc": "2090-10-26T15:46:45Z", "ms": 3812716005341.159 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-26T01:31:59+08:00", "utc": "2090-10-25T17:31:59Z", "ms": 3812635918957.7056 }, "end": { "local": "2090-10-26T23:46:45+08:00", "utc": "2090-10-26T15:46:45Z", "ms": 3812716005341.159 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-26", "window": { "start": { "local": "2090-10-26T12:12:25+08:00", "utc": "2090-10-26T04:12:25Z", "ms": 3812674344616.2715 }, "end": { "local": "2090-10-26T13:00:25+08:00", "utc": "2090-10-26T05:00:25Z", "ms": 3812677224616.2715 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-27", "window": { "start": { "local": "2090-10-27T12:12:19+08:00", "utc": "2090-10-27T04:12:19Z", "ms": 3812760739034.7734 }, "end": { "local": "2090-10-27T13:00:19+08:00", "utc": "2090-10-27T05:00:19Z", "ms": 3812763619034.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:32 on Thu 26 Oct to 23:47 on Thu 26 Oct.", "fact": "2090-10-25T17:31:59Z → 2090-10-26T15:46:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 26th, 12:12–13:00 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38426 s" }, { "step": "ruling", "text": "Nāga Caturthī, Zunyi, 2090: Thursday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-26", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Caturthī 2090 falls on Thursday 26 October. Caturthī runs from 01:32 on Thu 26 Oct to 23:47 on Thu 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/vinayaka-chaturthi?on=2090-10-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38426, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-10-26T01:31:59+08:00", "utc": "2090-10-25T17:31:59Z", "ms": 3812635918957.7056 }, "end": { "local": "2090-10-26T23:46:45+08:00", "utc": "2090-10-26T15:46:45Z", "ms": 3812716005341.159 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-26T01:31:59+08:00", "utc": "2090-10-25T17:31:59Z", "ms": 3812635918957.7056 }, "end": { "local": "2090-10-26T23:46:45+08:00", "utc": "2090-10-26T15:46:45Z", "ms": 3812716005341.159 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-26", "window": { "start": { "local": "2090-10-26T12:12:25+08:00", "utc": "2090-10-26T04:12:25Z", "ms": 3812674344616.2715 }, "end": { "local": "2090-10-26T13:00:25+08:00", "utc": "2090-10-26T05:00:25Z", "ms": 3812677224616.2715 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-10-27", "window": { "start": { "local": "2090-10-27T12:12:19+08:00", "utc": "2090-10-27T04:12:19Z", "ms": 3812760739034.7734 }, "end": { "local": "2090-10-27T13:00:19+08:00", "utc": "2090-10-27T05:00:19Z", "ms": 3812763619034.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:32 on Thu 26 Oct to 23:47 on Thu 26 Oct.", "fact": "2090-10-25T17:31:59Z → 2090-10-26T15:46:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 26th, 12:12–13:00 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38426 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Thursday 26 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": "2090-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-26", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Thursday 26 October. Caturthī runs from 01:32 on Thu 26 Oct to 23:47 on Thu 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-10-26", "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/2090/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34891, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-10-27T22:48:39+08:00", "utc": "2090-10-27T14:48:39Z", "ms": 3812798919027.6865 }, "end": { "local": "2090-10-28T22:41:45+08:00", "utc": "2090-10-28T14:41:45Z", "ms": 3812884904700.815 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-27T22:48:39+08:00", "utc": "2090-10-27T14:48:39Z", "ms": 3812798919027.6865 }, "end": { "local": "2090-10-28T22:41:45+08:00", "utc": "2090-10-28T14:41:45Z", "ms": 3812884904700.815 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-27", "window": { "start": { "local": "2090-10-27T12:12:19+08:00", "utc": "2090-10-27T04:12:19Z", "ms": 3812760739034.7734 }, "end": { "local": "2090-10-27T13:00:19+08:00", "utc": "2090-10-27T05:00:19Z", "ms": 3812763619034.7734 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-10-28", "window": { "start": { "local": "2090-10-28T12:12:14+08:00", "utc": "2090-10-28T04:12:14Z", "ms": 3812847134188.472 }, "end": { "local": "2090-10-28T13:00:14+08:00", "utc": "2090-10-28T05:00:14Z", "ms": 3812850014188.472 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:49 on Fri 27 Oct to 22:42 on Sat 28 Oct.", "fact": "2090-10-27T14:48:39Z → 2090-10-28T14:41:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 27th, 12:12–13:00 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34891 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Zunyi, 2090: Saturday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-28", "confidence": "determinate" } ], "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Chhath) 2090 falls on Saturday 28 October. Ṣaṣṭhī runs from 22:49 on Fri 27 Oct to 22:42 on Sat 28 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37554, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2090-10-29T23:26:04+08:00", "utc": "2090-10-29T15:26:04Z", "ms": 3812973964215.1475 }, "end": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-29T23:26:04+08:00", "utc": "2090-10-29T15:26:04Z", "ms": 3812973964215.1475 }, "end": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-29", "window": { "start": { "local": "2090-10-29T12:12:10+08:00", "utc": "2090-10-29T04:12:10Z", "ms": 3812933530087.828 }, "end": { "local": "2090-10-29T13:00:10+08:00", "utc": "2090-10-29T05:00:10Z", "ms": 3812936410087.828 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-10-30", "window": { "start": { "local": "2090-10-30T12:12:07+08:00", "utc": "2090-10-30T04:12:07Z", "ms": 3813019926743.576 }, "end": { "local": "2090-10-30T13:00:07+08:00", "utc": "2090-10-30T05:00:07Z", "ms": 3813022806743.576 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:26 on Sun 29 Oct to 00:57 on Tue 31 Oct.", "fact": "2090-10-29T15:26:04Z → 2090-10-30T16:56:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 29th, 12:12–13:00 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37554 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Zunyi, 2090: Monday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-30", "confidence": "determinate" } ], "quote": "In Zunyi, Gopāṣṭamī 2090 falls on Monday 30 October. Aṣṭamī runs from 23:26 on Sun 29 Oct to 00:57 on Tue 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14321, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 }, "end": { "local": "2090-11-01T03:05:02+08:00", "utc": "2090-10-31T19:05:02Z", "ms": 3813159902164.235 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 }, "end": { "local": "2090-11-01T03:05:02+08:00", "utc": "2090-10-31T19:05:02Z", "ms": 3813159902164.235 } }, "kaala": "purvahna", "days": [ { "local_date": "2090-10-31", "window": { "start": { "local": "2090-10-31T07:03:02+08:00", "utc": "2090-10-30T23:03:02Z", "ms": 3813087782351.5415 }, "end": { "local": "2090-10-31T10:45:04+08:00", "utc": "2090-10-31T02:45:04Z", "ms": 3813101103561.542 } }, "covered_min": 222, "window_min": 222, "qualifies": true }, { "local_date": "2090-11-01", "window": { "start": { "local": "2090-11-01T07:03:43+08:00", "utc": "2090-10-31T23:03:43Z", "ms": 3813174223315.749 }, "end": { "local": "2090-11-01T10:45:16+08:00", "utc": "2090-11-01T02:45:16Z", "ms": 3813187516016.9053 } }, "covered_min": 0, "window_min": 222, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov.", "fact": "2090-10-30T16:56:56Z → 2090-10-31T19:05:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:03–10:45 on the 31st, 07:04–10:45 on the 1st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 222 of 222 minutes on the 31st and 0 of 222 on the 1st.", "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 14321 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Zunyi, 2090: Tuesday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-31", "confidence": "determinate" } ], "quote": "In Zunyi, Akṣaya Navamī (Amla Navami) 2090 falls on Tuesday 31 October. Navamī runs from 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32820, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 }, "end": { "local": "2090-11-01T03:05:02+08:00", "utc": "2090-10-31T19:05:02Z", "ms": 3813159902164.235 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-10-31T00:56:56+08:00", "utc": "2090-10-30T16:56:56Z", "ms": 3813065816058.6523 }, "end": { "local": "2090-11-01T03:05:02+08:00", "utc": "2090-10-31T19:05:02Z", "ms": 3813159902164.235 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-10-31", "window": { "start": { "local": "2090-10-31T12:12:04+08:00", "utc": "2090-10-31T04:12:04Z", "ms": 3813106324166.542 }, "end": { "local": "2090-10-31T13:00:04+08:00", "utc": "2090-10-31T05:00:04Z", "ms": 3813109204166.542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-11-01", "window": { "start": { "local": "2090-11-01T12:12:02+08:00", "utc": "2090-11-01T04:12:02Z", "ms": 3813192722367.4834 }, "end": { "local": "2090-11-01T13:00:02+08:00", "utc": "2090-11-01T05:00:02Z", "ms": 3813195602367.4834 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov.", "fact": "2090-10-30T16:56:56Z → 2090-10-31T19:05:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 31st, 12:12–13:00 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32820 s" }, { "step": "ruling", "text": "Durgā Navamī, Zunyi, 2090: Tuesday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-10-31", "confidence": "determinate" } ], "quote": "In Zunyi, Durgā Navamī 2090 falls on Tuesday 31 October. Navamī runs from 00:57 on Tue 31 Oct to 03:05 on Wed 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-11-03", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4516, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-11-02T05:37:36+08:00", "utc": "2090-11-01T21:37:36Z", "ms": 3813255456168.1743 }, "end": { "local": "2090-11-03T08:20:23+08:00", "utc": "2090-11-03T00:20:23Z", "ms": 3813351622697.5376 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-11-02T05:37:36+08:00", "utc": "2090-11-01T21:37:36Z", "ms": 3813255456168.1743 }, "end": { "local": "2090-11-03T08:20:23+08:00", "utc": "2090-11-03T00:20:23Z", "ms": 3813351622697.5376 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-11-02", "window": { "start": { "local": "2090-11-02T07:04:25+08:00", "utc": "2090-11-01T23:04:25Z", "ms": 3813260664671.598 }, "end": { "local": "2090-11-02T07:04:25+08:00", "utc": "2090-11-01T23:04:25Z", "ms": 3813260664671.598 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-11-03", "window": { "start": { "local": "2090-11-03T07:05:06+08:00", "utc": "2090-11-02T23:05:06Z", "ms": 3813347106413.176 }, "end": { "local": "2090-11-03T07:05:06+08:00", "utc": "2090-11-02T23:05:06Z", "ms": 3813347106413.176 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:38 on Thu 2 Nov to 08:20 on Fri 3 Nov.", "fact": "2090-11-01T21:37:36Z → 2090-11-03T00:20:23Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 2nd and 07:05 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is on the 3rd.", "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 4516 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Zunyi, 2090: Friday 3 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": "2090-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-03", "confidence": "determinate" } ], "quote": "In Zunyi, Prabodhinī Ekādaśī 2090 falls on Friday 3 November. Ekādaśī runs from 05:38 on Thu 2 Nov to 08:20 on Fri 3 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-11-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16826, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-11-04T10:59:52+08:00", "utc": "2090-11-04T02:59:52Z", "ms": 3813447592287.4595 }, "end": { "local": "2090-11-05T13:25:09+08:00", "utc": "2090-11-05T05:25:09Z", "ms": 3813542709365.8013 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-11-04T10:59:52+08:00", "utc": "2090-11-04T02:59:52Z", "ms": 3813447592287.4595 }, "end": { "local": "2090-11-05T13:25:09+08:00", "utc": "2090-11-05T05:25:09Z", "ms": 3813542709365.8013 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-11-04", "window": { "start": { "local": "2090-11-04T18:06:15+08:00", "utc": "2090-11-04T10:06:15Z", "ms": 3813473174950.6304 }, "end": { "local": "2090-11-04T19:50:17+08:00", "utc": "2090-11-04T11:50:17Z", "ms": 3813479417094.129 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2090-11-05", "window": { "start": { "local": "2090-11-05T18:05:35+08:00", "utc": "2090-11-05T10:05:35Z", "ms": 3813559535288.4243 }, "end": { "local": "2090-11-05T19:49:48+08:00", "utc": "2090-11-05T11:49:48Z", "ms": 3813565788434.501 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:00 on Sat 4 Nov to 13:25 on Sun 5 Nov.", "fact": "2090-11-04T02:59:52Z → 2090-11-05T05:25:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:50 on the 4th, 18:06–19:50 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 4th and 0 of 104 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16826 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Saturday 4 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": "2090-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Saturday 4 November. Trayodaśī runs from 11:00 on Sat 4 Nov to 13:25 on Sun 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25549, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-11-06T15:28:46+08:00", "utc": "2090-11-06T07:28:46Z", "ms": 3813636526291.646 }, "end": { "local": "2090-11-07T17:06:42+08:00", "utc": "2090-11-07T09:06:42Z", "ms": 3813728801614.776 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-11-06T15:28:46+08:00", "utc": "2090-11-06T07:28:46Z", "ms": 3813636526291.646 }, "end": { "local": "2090-11-07T17:06:42+08:00", "utc": "2090-11-07T09:06:42Z", "ms": 3813728801614.776 } }, "kaala": "nishita", "days": [ { "local_date": "2090-11-06", "window": { "start": { "local": "2090-11-07T00:12:27+08:00", "utc": "2090-11-06T16:12:27Z", "ms": 3813667947006.7544 }, "end": { "local": "2090-11-07T01:00:27+08:00", "utc": "2090-11-06T17:00:27Z", "ms": 3813670827006.7544 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-11-07", "window": { "start": { "local": "2090-11-08T00:12:30+08:00", "utc": "2090-11-07T16:12:30Z", "ms": 3813754350258.5273 }, "end": { "local": "2090-11-08T01:00:30+08:00", "utc": "2090-11-07T17:00:30Z", "ms": 3813757230258.5273 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:29 on Mon 6 Nov to 17:07 on Tue 7 Nov.", "fact": "2090-11-06T07:28:46Z → 2090-11-07T09:06:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 6th, 00:13–01:01 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25549 s" }, { "step": "ruling", "text": "Rāsayātrā, Zunyi, 2090: Monday 6 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": "2090-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-06", "confidence": "determinate" } ], "quote": "In Zunyi, Rāsayātrā 2090 falls on Monday 6 November. Pūrṇimā runs from 15:29 on Mon 6 Nov to 17:07 on Tue 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8921, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-11-06T15:28:46+08:00", "utc": "2090-11-06T07:28:46Z", "ms": 3813636526291.646 }, "end": { "local": "2090-11-07T17:06:42+08:00", "utc": "2090-11-07T09:06:42Z", "ms": 3813728801614.776 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2090-11-06T15:28:46+08:00", "utc": "2090-11-06T07:28:46Z", "ms": 3813636526291.646 }, "end": { "local": "2090-11-07T17:06:42+08:00", "utc": "2090-11-07T09:06:42Z", "ms": 3813728801614.776 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-06", "window": { "start": { "local": "2090-11-06T12:12:05+08:00", "utc": "2090-11-06T04:12:05Z", "ms": 3813624725400.372 }, "end": { "local": "2090-11-06T13:00:05+08:00", "utc": "2090-11-06T05:00:05Z", "ms": 3813627605400.372 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-07", "window": { "start": { "local": "2090-11-07T12:12:08+08:00", "utc": "2090-11-07T04:12:08Z", "ms": 3813711128479.0645 }, "end": { "local": "2090-11-07T13:00:08+08:00", "utc": "2090-11-07T05:00:08Z", "ms": 3813714008479.0645 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:29 on Mon 6 Nov to 17:07 on Tue 7 Nov.", "fact": "2090-11-06T07:28:46Z → 2090-11-07T09:06:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 6th, 12:12–13:00 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8921 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Zunyi, 2090: Tuesday 7 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": "2090-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-07", "confidence": "determinate" } ], "quote": "In Zunyi, Kārtikī Pūrṇimā 2090 falls on Tuesday 7 November. Pūrṇimā runs from 15:29 on Mon 6 Nov to 17:07 on Tue 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-11-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4348, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-11-10T19:21:27+08:00", "utc": "2090-11-10T11:21:27Z", "ms": 3813996086724.697 }, "end": { "local": "2090-11-11T19:16:53+08:00", "utc": "2090-11-11T11:16:53Z", "ms": 3814082212540.901 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-10T19:21:27+08:00", "utc": "2090-11-10T11:21:27Z", "ms": 3813996086724.697 }, "end": { "local": "2090-11-11T19:16:53+08:00", "utc": "2090-11-11T11:16:53Z", "ms": 3814082212540.901 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-11-10", "window": { "start": { "local": "2090-11-10T20:33:55+08:00", "utc": "2090-11-10T12:33:55Z", "ms": 3814000434906.989 }, "end": { "local": "2090-11-10T20:33:55+08:00", "utc": "2090-11-10T12:33:55Z", "ms": 3814000434906.989 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-11-11", "window": { "start": { "local": "2090-11-11T21:26:32+08:00", "utc": "2090-11-11T13:26:32Z", "ms": 3814089992389.3726 }, "end": { "local": "2090-11-11T21:26:32+08:00", "utc": "2090-11-11T13:26:32Z", "ms": 3814089992389.3726 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:21 on Fri 10 Nov to 19:17 on Sat 11 Nov.", "fact": "2090-11-10T11:21:27Z → 2090-11-11T11:16:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 10th and 21:27 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4348 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Friday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-10", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Friday 10 November. Caturthī runs from 19:21 on Fri 10 Nov to 19:17 on Sat 11 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-11-10", "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/2090/ekadashi?on=2090-11-18", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3408, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-11-17T10:50:21+08:00", "utc": "2090-11-17T02:50:21Z", "ms": 3814570221135.5703 }, "end": { "local": "2090-11-18T08:13:00+08:00", "utc": "2090-11-18T00:13:00Z", "ms": 3814647180304.393 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-17T10:50:21+08:00", "utc": "2090-11-17T02:50:21Z", "ms": 3814570221135.5703 }, "end": { "local": "2090-11-18T08:13:00+08:00", "utc": "2090-11-18T00:13:00Z", "ms": 3814647180304.393 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-11-17", "window": { "start": { "local": "2090-11-17T07:15:26+08:00", "utc": "2090-11-16T23:15:26Z", "ms": 3814557326064.9087 }, "end": { "local": "2090-11-17T07:15:26+08:00", "utc": "2090-11-16T23:15:26Z", "ms": 3814557326064.9087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-11-18", "window": { "start": { "local": "2090-11-18T07:16:12+08:00", "utc": "2090-11-17T23:16:12Z", "ms": 3814643772257.2104 }, "end": { "local": "2090-11-18T07:16:12+08:00", "utc": "2090-11-17T23:16:12Z", "ms": 3814643772257.2104 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:50 on Fri 17 Nov to 08:13 on Sat 18 Nov.", "fact": "2090-11-17T02:50:21Z → 2090-11-18T00:13:00Z" }, { "step": "kaala", "text": "Sunrise is at 07:15 on the 17th and 07:16 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3408 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Zunyi, 2090: Saturday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-18", "confidence": "determinate" } ], "quote": "In Zunyi, Utpannā Ekādaśī 2090 falls on Saturday 18 November. Ekādaśī runs from 10:50 on Fri 17 Nov to 08:13 on Sat 18 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-11-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24101, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-11-19T05:23:01+08:00", "utc": "2090-11-18T21:23:01Z", "ms": 3814723380994.43 }, "end": { "local": "2090-11-20T02:27:00+08:00", "utc": "2090-11-19T18:27:00Z", "ms": 3814799219608.4067 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-19T05:23:01+08:00", "utc": "2090-11-18T21:23:01Z", "ms": 3814723380994.43 }, "end": { "local": "2090-11-20T02:27:00+08:00", "utc": "2090-11-19T18:27:00Z", "ms": 3814799219608.4067 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-11-18", "window": { "start": { "local": "2090-11-18T17:59:06+08:00", "utc": "2090-11-18T09:59:06Z", "ms": 3814682345912.9316 }, "end": { "local": "2090-11-18T19:45:29+08:00", "utc": "2090-11-18T11:45:29Z", "ms": 3814688728936.2046 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2090-11-19", "window": { "start": { "local": "2090-11-19T17:58:46+08:00", "utc": "2090-11-19T09:58:46Z", "ms": 3814768726403.8125 }, "end": { "local": "2090-11-19T19:45:18+08:00", "utc": "2090-11-19T11:45:18Z", "ms": 3814775118219.7915 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:23 on Sun 19 Nov to 02:27 on Mon 20 Nov.", "fact": "2090-11-18T21:23:01Z → 2090-11-19T18:27:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:45 on the 18th, 17:59–19:45 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 18th and 107 of 107 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24101 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Sunday 19 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": "2090-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-19", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Sunday 19 November. Trayodaśī runs from 05:23 on Sun 19 Nov to 02:27 on Mon 20 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-11-19", "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/2090/shivaratri?on=2090-11-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2491, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-11-20T02:27:00+08:00", "utc": "2090-11-19T18:27:00Z", "ms": 3814799219608.4067 }, "end": { "local": "2090-11-20T23:32:59+08:00", "utc": "2090-11-20T15:32:59Z", "ms": 3814875179187.247 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-20T02:27:00+08:00", "utc": "2090-11-19T18:27:00Z", "ms": 3814799219608.4067 }, "end": { "local": "2090-11-20T23:32:59+08:00", "utc": "2090-11-20T15:32:59Z", "ms": 3814875179187.247 } }, "kaala": "nishita", "days": [ { "local_date": "2090-11-19", "window": { "start": { "local": "2090-11-20T00:14:16+08:00", "utc": "2090-11-19T16:14:16Z", "ms": 3814791255713.733 }, "end": { "local": "2090-11-20T01:02:16+08:00", "utc": "2090-11-19T17:02:16Z", "ms": 3814794135713.733 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-20", "window": { "start": { "local": "2090-11-21T00:14:30+08:00", "utc": "2090-11-20T16:14:30Z", "ms": 3814877669995.755 }, "end": { "local": "2090-11-21T01:02:30+08:00", "utc": "2090-11-20T17:02:30Z", "ms": 3814880549995.755 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:27 on Mon 20 Nov to 23:33 on Mon 20 Nov.", "fact": "2090-11-19T18:27:00Z → 2090-11-20T15:32:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 19th, 00:14–01:02 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 0 of 48 on the 20th.", "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 2491 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Sunday 19 November.", "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": "2090-11-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-19", "confidence": "boundary" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Sunday 19 November. Caturdaśī runs from 02:27 on Mon 20 Nov to 23:33 on Mon 20 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-11-19", "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/2090/vinayaka-chaturthi?on=2090-11-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6945, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-11-24T15:24:55+08:00", "utc": "2090-11-24T07:24:55Z", "ms": 3815191494744.4106 }, "end": { "local": "2090-11-25T14:59:15+08:00", "utc": "2090-11-25T06:59:15Z", "ms": 3815276354589.902 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-24T15:24:55+08:00", "utc": "2090-11-24T07:24:55Z", "ms": 3815191494744.4106 }, "end": { "local": "2090-11-25T14:59:15+08:00", "utc": "2090-11-25T06:59:15Z", "ms": 3815276354589.902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-24", "window": { "start": { "local": "2090-11-24T12:15:12+08:00", "utc": "2090-11-24T04:15:12Z", "ms": 3815180111786.6987 }, "end": { "local": "2090-11-24T13:03:12+08:00", "utc": "2090-11-24T05:03:12Z", "ms": 3815182991786.6987 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-25", "window": { "start": { "local": "2090-11-25T12:15:30+08:00", "utc": "2090-11-25T04:15:30Z", "ms": 3815266529979.828 }, "end": { "local": "2090-11-25T13:03:30+08:00", "utc": "2090-11-25T05:03:30Z", "ms": 3815269409979.828 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:25 on Fri 24 Nov to 14:59 on Sat 25 Nov.", "fact": "2090-11-24T07:24:55Z → 2090-11-25T06:59:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 24th, 12:15–13:03 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6945 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Saturday 25 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": "2090-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-25", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Saturday 25 November. Caturthī runs from 15:25 on Fri 24 Nov to 14:59 on Sat 25 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-11-25", "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/2090/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6945, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2090-11-25T14:59:15+08:00", "utc": "2090-11-25T06:59:15Z", "ms": 3815276354589.902 }, "end": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-25T14:59:15+08:00", "utc": "2090-11-25T06:59:15Z", "ms": 3815276354589.902 }, "end": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-25", "window": { "start": { "local": "2090-11-25T12:15:30+08:00", "utc": "2090-11-25T04:15:30Z", "ms": 3815266529979.828 }, "end": { "local": "2090-11-25T13:03:30+08:00", "utc": "2090-11-25T05:03:30Z", "ms": 3815269409979.828 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-26", "window": { "start": { "local": "2090-11-26T12:15:49+08:00", "utc": "2090-11-26T04:15:49Z", "ms": 3815352948910.9434 }, "end": { "local": "2090-11-26T13:03:49+08:00", "utc": "2090-11-26T05:03:49Z", "ms": 3815355828910.9434 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:59 on Sat 25 Nov to 15:23 on Sun 26 Nov.", "fact": "2090-11-25T06:59:15Z → 2090-11-26T07:23:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 25th, 12:16–13:04 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6945 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Zunyi, 2090: Sunday 26 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-26", "confidence": "determinate" } ], "quote": "In Zunyi, Nāga Pañcamī (Mārgaśīrṣa) 2090 falls on Sunday 26 November. Pañcamī runs from 14:59 on Sat 25 Nov to 15:23 on Sun 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8374, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 }, "end": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 }, "end": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-26", "window": { "start": { "local": "2090-11-26T12:15:49+08:00", "utc": "2090-11-26T04:15:49Z", "ms": 3815352948910.9434 }, "end": { "local": "2090-11-26T13:03:49+08:00", "utc": "2090-11-26T05:03:49Z", "ms": 3815355828910.9434 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-27", "window": { "start": { "local": "2090-11-27T12:16:09+08:00", "utc": "2090-11-27T04:16:09Z", "ms": 3815439368562.282 }, "end": { "local": "2090-11-27T13:04:09+08:00", "utc": "2090-11-27T05:04:09Z", "ms": 3815442248562.282 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:23 on Sun 26 Nov to 16:36 on Mon 27 Nov.", "fact": "2090-11-26T07:23:23Z → 2090-11-27T08:36:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 26th, 12:16–13:04 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8374 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Zunyi, 2090: Monday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-27", "confidence": "determinate" } ], "quote": "In Zunyi, Campā Ṣaṣṭhī 2090 falls on Monday 27 November. Ṣaṣṭhī runs from 15:23 on Sun 26 Nov to 16:36 on Mon 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8374, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 }, "end": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-26T15:23:23+08:00", "utc": "2090-11-26T07:23:23Z", "ms": 3815364203138.181 }, "end": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-26", "window": { "start": { "local": "2090-11-26T12:15:49+08:00", "utc": "2090-11-26T04:15:49Z", "ms": 3815352948910.9434 }, "end": { "local": "2090-11-26T13:03:49+08:00", "utc": "2090-11-26T05:03:49Z", "ms": 3815355828910.9434 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-27", "window": { "start": { "local": "2090-11-27T12:16:09+08:00", "utc": "2090-11-27T04:16:09Z", "ms": 3815439368562.282 }, "end": { "local": "2090-11-27T13:04:09+08:00", "utc": "2090-11-27T05:04:09Z", "ms": 3815442248562.282 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:23 on Sun 26 Nov to 16:36 on Mon 27 Nov.", "fact": "2090-11-26T07:23:23Z → 2090-11-27T08:36:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 26th, 12:16–13:04 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8374 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Zunyi, 2090: Monday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-27", "confidence": "determinate" } ], "quote": "In Zunyi, Skanda Ṣaṣṭhī 2090 falls on Monday 27 November. Ṣaṣṭhī runs from 15:23 on Sun 26 Nov to 16:36 on Mon 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12733, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 }, "end": { "local": "2090-11-28T18:31:49+08:00", "utc": "2090-11-28T10:31:49Z", "ms": 3815548308544.2773 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-11-27T16:36:21+08:00", "utc": "2090-11-27T08:36:21Z", "ms": 3815454981329.0103 }, "end": { "local": "2090-11-28T18:31:49+08:00", "utc": "2090-11-28T10:31:49Z", "ms": 3815548308544.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-11-27", "window": { "start": { "local": "2090-11-27T12:16:09+08:00", "utc": "2090-11-27T04:16:09Z", "ms": 3815439368562.282 }, "end": { "local": "2090-11-27T13:04:09+08:00", "utc": "2090-11-27T05:04:09Z", "ms": 3815442248562.282 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-11-28", "window": { "start": { "local": "2090-11-28T12:16:29+08:00", "utc": "2090-11-28T04:16:29Z", "ms": 3815525788915.8047 }, "end": { "local": "2090-11-28T13:04:29+08:00", "utc": "2090-11-28T05:04:29Z", "ms": 3815528668915.8047 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:36 on Mon 27 Nov to 18:32 on Tue 28 Nov.", "fact": "2090-11-27T08:36:21Z → 2090-11-28T10:31:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 27th, 12:16–13:04 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12733 s" }, { "step": "ruling", "text": "Mitra Saptamī, Zunyi, 2090: Tuesday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-11-28", "confidence": "determinate" } ], "quote": "In Zunyi, Mitra Saptamī 2090 falls on Tuesday 28 November. Saptamī runs from 16:36 on Mon 27 Nov to 18:32 on Tue 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/ekadashi?on=2090-12-02", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9661, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-12-02T02:21:21+08:00", "utc": "2090-12-01T18:21:21Z", "ms": 3815835681211.9854 }, "end": { "local": "2090-12-03T04:46:40+08:00", "utc": "2090-12-02T20:46:40Z", "ms": 3815930800244.0967 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-02T02:21:21+08:00", "utc": "2090-12-01T18:21:21Z", "ms": 3815835681211.9854 }, "end": { "local": "2090-12-03T04:46:40+08:00", "utc": "2090-12-02T20:46:40Z", "ms": 3815930800244.0967 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-12-02", "window": { "start": { "local": "2090-12-02T07:26:57+08:00", "utc": "2090-12-01T23:26:57Z", "ms": 3815854017063.962 }, "end": { "local": "2090-12-02T07:26:57+08:00", "utc": "2090-12-01T23:26:57Z", "ms": 3815854017063.962 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2090-12-03", "window": { "start": { "local": "2090-12-03T07:27:41+08:00", "utc": "2090-12-02T23:27:41Z", "ms": 3815940461475.678 }, "end": { "local": "2090-12-03T07:27:41+08:00", "utc": "2090-12-02T23:27:41Z", "ms": 3815940461475.678 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:21 on Sat 2 Dec to 04:47 on Sun 3 Dec.", "fact": "2090-12-01T18:21:21Z → 2090-12-02T20:46:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:27 on the 2nd and 07:28 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9661 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Zunyi, 2090: Saturday 2 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": "2090-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-02", "confidence": "determinate" } ], "quote": "In Zunyi, Mokṣadā Ekādaśī 2090 falls on Saturday 2 December. Ekādaśī runs from 02:21 on Sat 2 Dec to 04:47 on Sun 3 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20023, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2090-12-03T04:46:40+08:00", "utc": "2090-12-02T20:46:40Z", "ms": 3815930800244.0967 }, "end": { "local": "2090-12-04T06:45:01+08:00", "utc": "2090-12-03T22:45:01Z", "ms": 3816024301482.992 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-03T04:46:40+08:00", "utc": "2090-12-02T20:46:40Z", "ms": 3815930800244.0967 }, "end": { "local": "2090-12-04T06:45:01+08:00", "utc": "2090-12-03T22:45:01Z", "ms": 3816024301482.992 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-12-03", "window": { "start": { "local": "2090-12-03T12:18:21+08:00", "utc": "2090-12-03T04:18:21Z", "ms": 3815957900552.7354 }, "end": { "local": "2090-12-03T13:06:21+08:00", "utc": "2090-12-03T05:06:21Z", "ms": 3815960780552.7354 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-12-04", "window": { "start": { "local": "2090-12-04T12:18:45+08:00", "utc": "2090-12-04T04:18:45Z", "ms": 3816044324713.761 }, "end": { "local": "2090-12-04T13:06:45+08:00", "utc": "2090-12-04T05:06:45Z", "ms": 3816047204713.761 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:47 on Sun 3 Dec to 06:45 on Mon 4 Dec.", "fact": "2090-12-02T20:46:40Z → 2090-12-03T22:45:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 3rd, 12:19–13:07 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20023 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Zunyi, 2090: Sunday 3 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": "2090-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-03", "confidence": "determinate" } ], "quote": "In Zunyi, Akhaṇḍa Dvādaśī 2090 falls on Sunday 3 December. Dvādaśī runs from 04:47 on Sun 3 Dec to 06:45 on Mon 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/pradosha-vrata?on=2090-12-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35230, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-12-04T06:45:01+08:00", "utc": "2090-12-03T22:45:01Z", "ms": 3816024301482.992 }, "end": { "local": "2090-12-05T08:10:00+08:00", "utc": "2090-12-05T00:10:00Z", "ms": 3816115800318.7764 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-04T06:45:01+08:00", "utc": "2090-12-03T22:45:01Z", "ms": 3816024301482.992 }, "end": { "local": "2090-12-05T08:10:00+08:00", "utc": "2090-12-05T00:10:00Z", "ms": 3816115800318.7764 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-12-04", "window": { "start": { "local": "2090-12-04T17:57:04+08:00", "utc": "2090-12-04T09:57:04Z", "ms": 3816064623963.4688 }, "end": { "local": "2090-12-04T19:45:21+08:00", "utc": "2090-12-04T11:45:21Z", "ms": 3816071120633.8174 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2090-12-05", "window": { "start": { "local": "2090-12-05T17:57:10+08:00", "utc": "2090-12-05T09:57:10Z", "ms": 3816151029882.4937 }, "end": { "local": "2090-12-05T19:45:32+08:00", "utc": "2090-12-05T11:45:32Z", "ms": 3816157531500.6934 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:45 on Mon 4 Dec to 08:10 on Tue 5 Dec.", "fact": "2090-12-03T22:45:01Z → 2090-12-05T00:10:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 4th, 17:57–19:46 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 4th and 0 of 108 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35230 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Zunyi, 2090: Monday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-04", "confidence": "determinate" } ], "quote": "In Zunyi, Śukla Pradoṣa Vrata 2090 falls on Monday 4 December. Trayodaśī runs from 06:45 on Mon 4 Dec to 08:10 on Tue 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31297, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2090-12-06T08:59:43+08:00", "utc": "2090-12-06T00:59:43Z", "ms": 3816205183334.833 }, "end": { "local": "2090-12-07T09:15:49+08:00", "utc": "2090-12-07T01:15:49Z", "ms": 3816292549260.816 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-06T08:59:43+08:00", "utc": "2090-12-06T00:59:43Z", "ms": 3816205183334.833 }, "end": { "local": "2090-12-07T09:15:49+08:00", "utc": "2090-12-07T01:15:49Z", "ms": 3816292549260.816 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-12-06", "window": { "start": { "local": "2090-12-06T17:57:17+08:00", "utc": "2090-12-06T09:57:17Z", "ms": 3816237437380.3716 }, "end": { "local": "2090-12-06T19:45:44+08:00", "utc": "2090-12-06T11:45:44Z", "ms": 3816243943664.3486 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2090-12-07", "window": { "start": { "local": "2090-12-07T17:57:26+08:00", "utc": "2090-12-07T09:57:26Z", "ms": 3816323846449.983 }, "end": { "local": "2090-12-07T19:45:57+08:00", "utc": "2090-12-07T11:45:57Z", "ms": 3816330357113.6274 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:00 on Wed 6 Dec to 09:16 on Thu 7 Dec.", "fact": "2090-12-06T00:59:43Z → 2090-12-07T01:15:49Z" }, { "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": "Pūrṇimā 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. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31297 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Zunyi, 2090: Wednesday 6 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": "2090-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-06", "confidence": "determinate" } ], "quote": "In Zunyi, Dattātreyotpatti (Datta Jayanti) 2090 falls on Wednesday 6 December. Pūrṇimā runs from 09:00 on Wed 6 Dec to 09:16 on Thu 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/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/2090/sankashta-chaturthi?on=2090-12-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32197, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-12-10T07:25:36+08:00", "utc": "2090-12-09T23:25:36Z", "ms": 3816545136236.9062 }, "end": { "local": "2090-12-11T06:11:50+08:00", "utc": "2090-12-10T22:11:50Z", "ms": 3816627109861.9526 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-10T07:25:36+08:00", "utc": "2090-12-09T23:25:36Z", "ms": 3816545136236.9062 }, "end": { "local": "2090-12-11T06:11:50+08:00", "utc": "2090-12-10T22:11:50Z", "ms": 3816627109861.9526 } }, "kaala": "moonrise", "days": [ { "local_date": "2090-12-09", "window": { "start": { "local": "2090-12-09T20:16:30+08:00", "utc": "2090-12-09T12:16:30Z", "ms": 3816504989587.1855 }, "end": { "local": "2090-12-09T20:16:30+08:00", "utc": "2090-12-09T12:16:30Z", "ms": 3816504989587.1855 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-12-10", "window": { "start": { "local": "2090-12-10T21:15:13+08:00", "utc": "2090-12-10T13:15:13Z", "ms": 3816594912619.1953 }, "end": { "local": "2090-12-10T21:15:13+08:00", "utc": "2090-12-10T13:15:13Z", "ms": 3816594912619.1953 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:26 on Sun 10 Dec to 06:12 on Mon 11 Dec.", "fact": "2090-12-09T23:25:36Z → 2090-12-10T22:11:50Z" }, { "step": "kaala", "text": "Moonrise is at 20:16 on the 9th and 21:15 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32197 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Zunyi, 2090: Sunday 10 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": "2090-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-10", "confidence": "determinate" } ], "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2090 falls on Sunday 10 December. Caturthī runs from 07:26 on Sun 10 Dec to 06:12 on Mon 11 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/sankashta-chaturthi?on=2090-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/ekadashi?on=2090-12-17", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34083, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2090-12-16T19:17:16+08:00", "utc": "2090-12-16T11:17:16Z", "ms": 3817106235590.711 }, "end": { "local": "2090-12-17T17:05:04+08:00", "utc": "2090-12-17T09:05:04Z", "ms": 3817184704423.5513 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-16T19:17:16+08:00", "utc": "2090-12-16T11:17:16Z", "ms": 3817106235590.711 }, "end": { "local": "2090-12-17T17:05:04+08:00", "utc": "2090-12-17T09:05:04Z", "ms": 3817184704423.5513 } }, "kaala": "sunrise", "days": [ { "local_date": "2090-12-16", "window": { "start": { "local": "2090-12-16T07:36:27+08:00", "utc": "2090-12-15T23:36:27Z", "ms": 3817064186561.5654 }, "end": { "local": "2090-12-16T07:36:27+08:00", "utc": "2090-12-15T23:36:27Z", "ms": 3817064186561.5654 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2090-12-17", "window": { "start": { "local": "2090-12-17T07:37:02+08:00", "utc": "2090-12-16T23:37:02Z", "ms": 3817150621593.8525 }, "end": { "local": "2090-12-17T07:37:02+08:00", "utc": "2090-12-16T23:37:02Z", "ms": 3817150621593.8525 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:17 on Sat 16 Dec to 17:05 on Sun 17 Dec.", "fact": "2090-12-16T11:17:16Z → 2090-12-17T09:05:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:36 on the 16th and 07:37 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34083 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Zunyi, 2090: Sunday 17 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": "2090-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-17", "confidence": "determinate" } ], "quote": "In Zunyi, Saphalā Ekādaśī 2090 falls on Sunday 17 December. Ekādaśī runs from 19:17 on Sat 16 Dec to 17:05 on Sun 17 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/zunyi/festivals/2090/ekadashi?on=2090-12-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/pradosha-vrata?on=2090-12-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11213, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2090-12-18T14:53:53+08:00", "utc": "2090-12-18T06:53:53Z", "ms": 3817263233341.993 }, "end": { "local": "2090-12-19T12:49:35+08:00", "utc": "2090-12-19T04:49:35Z", "ms": 3817342175327.2524 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-18T14:53:53+08:00", "utc": "2090-12-18T06:53:53Z", "ms": 3817263233341.993 }, "end": { "local": "2090-12-19T12:49:35+08:00", "utc": "2090-12-19T04:49:35Z", "ms": 3817342175327.2524 } }, "kaala": "pradosha", "days": [ { "local_date": "2090-12-18", "window": { "start": { "local": "2090-12-18T18:00:46+08:00", "utc": "2090-12-18T10:00:46Z", "ms": 3817274446228.792 }, "end": { "local": "2090-12-18T19:49:45+08:00", "utc": "2090-12-18T11:49:45Z", "ms": 3817280985227.904 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2090-12-19", "window": { "start": { "local": "2090-12-19T18:01:13+08:00", "utc": "2090-12-19T10:01:13Z", "ms": 3817360872946.5645 }, "end": { "local": "2090-12-19T19:50:13+08:00", "utc": "2090-12-19T11:50:13Z", "ms": 3817367412651.5864 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:54 on Mon 18 Dec to 12:50 on Tue 19 Dec.", "fact": "2090-12-18T06:53:53Z → 2090-12-19T04:49:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:50 on the 18th, 18:01–19:50 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 18th and 0 of 109 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11213 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2090: Monday 18 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": "2090-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-18", "confidence": "determinate" } ], "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2090 falls on Monday 18 December. Trayodaśī runs from 14:54 on Mon 18 Dec to 12:50 on Tue 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/zunyi/festivals/2090/pradosha-vrata?on=2090-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/zunyi/festivals/2090/shivaratri?on=2090-12-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35120, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2090-12-19T12:49:35+08:00", "utc": "2090-12-19T04:49:35Z", "ms": 3817342175327.2524 }, "end": { "local": "2090-12-20T10:59:17+08:00", "utc": "2090-12-20T02:59:17Z", "ms": 3817421957157.908 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-19T12:49:35+08:00", "utc": "2090-12-19T04:49:35Z", "ms": 3817342175327.2524 }, "end": { "local": "2090-12-20T10:59:17+08:00", "utc": "2090-12-20T02:59:17Z", "ms": 3817421957157.908 } }, "kaala": "nishita", "days": [ { "local_date": "2090-12-18", "window": { "start": { "local": "2090-12-19T00:25:27+08:00", "utc": "2090-12-18T16:25:27Z", "ms": 3817297527475.462 }, "end": { "local": "2090-12-19T01:13:27+08:00", "utc": "2090-12-18T17:13:27Z", "ms": 3817300407475.462 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2090-12-19", "window": { "start": { "local": "2090-12-20T00:25:57+08:00", "utc": "2090-12-19T16:25:57Z", "ms": 3817383956840.3975 }, "end": { "local": "2090-12-20T01:13:57+08:00", "utc": "2090-12-19T17:13:57Z", "ms": 3817386836840.3975 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:50 on Tue 19 Dec to 10:59 on Wed 20 Dec.", "fact": "2090-12-19T04:49:35Z → 2090-12-20T02:59:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 18th, 00:26–01:14 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35120 s" }, { "step": "ruling", "text": "Śivarātri, Zunyi, 2090: Tuesday 19 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": "2090-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-19", "confidence": "determinate" } ], "quote": "In Zunyi, Śivarātri 2090 falls on Tuesday 19 December. Caturdaśī runs from 12:50 on Tue 19 Dec to 10:59 on Wed 20 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/zunyi/festivals/2090/shivaratri?on=2090-12-19", "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/2090/vinayaka-chaturthi?on=2090-12-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1783621", "year": 2090, "local_date": "2090-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10447, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2090-12-24T08:30:38+08:00", "utc": "2090-12-24T00:30:38Z", "ms": 3817758638244.6035 }, "end": { "local": "2090-12-25T09:34:34+08:00", "utc": "2090-12-25T01:34:34Z", "ms": 3817848874310.428 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2090-12-24T08:30:38+08:00", "utc": "2090-12-24T00:30:38Z", "ms": 3817758638244.6035 }, "end": { "local": "2090-12-25T09:34:34+08:00", "utc": "2090-12-25T01:34:34Z", "ms": 3817848874310.428 } }, "kaala": "madhyahna", "days": [ { "local_date": "2090-12-24", "window": { "start": { "local": "2090-12-24T12:28:11+08:00", "utc": "2090-12-24T04:28:11Z", "ms": 3817772891359.551 }, "end": { "local": "2090-12-24T13:16:11+08:00", "utc": "2090-12-24T05:16:11Z", "ms": 3817775771359.551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2090-12-25", "window": { "start": { "local": "2090-12-25T12:28:41+08:00", "utc": "2090-12-25T04:28:41Z", "ms": 3817859321407.147 }, "end": { "local": "2090-12-25T13:16:41+08:00", "utc": "2090-12-25T05:16:41Z", "ms": 3817862201407.147 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:31 on Sun 24 Dec to 09:35 on Mon 25 Dec.", "fact": "2090-12-24T00:30:38Z → 2090-12-25T01:34:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 24th, 12:29–13:17 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10447 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Zunyi, 2090: Sunday 24 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2090-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2090-12-24", "confidence": "determinate" } ], "quote": "In Zunyi, Vināyaka Caturthī 2090 falls on Sunday 24 December. Caturthī runs from 08:31 on Sun 24 Dec to 09:35 on Mon 25 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/zunyi/festivals/2090/vinayaka-chaturthi?on=2090-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }