{ "id": "/qingyang/festivals/1986", "place": { "id": "12359313", "slug": "qingyang", "name": "Qingyang", "region": "Gansu, China", "country": "CN", "lat": 35.70976, "lon": 107.64455, "elevation_m": 1427, "tz": "Asia/Shanghai" }, "year": 1986, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/qingyang/festivals/1986/ekadashi?on=1986-01-07", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 460, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-01-06T10:46:06+08:00", "utc": "1986-01-06T02:46:06Z", "ms": 505363565980.992 }, "end": { "local": "1986-01-07T08:07:49+08:00", "utc": "1986-01-07T00:07:49Z", "ms": 505440469394.5625 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-06T10:46:06+08:00", "utc": "1986-01-06T02:46:06Z", "ms": 505363565980.992 }, "end": { "local": "1986-01-07T08:07:49+08:00", "utc": "1986-01-07T00:07:49Z", "ms": 505440469394.5625 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-01-06", "window": { "start": { "local": "1986-01-06T08:00:08+08:00", "utc": "1986-01-06T00:00:08Z", "ms": 505353607762.0362 }, "end": { "local": "1986-01-06T08:00:08+08:00", "utc": "1986-01-06T00:00:08Z", "ms": 505353607762.0362 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-01-07", "window": { "start": { "local": "1986-01-07T08:00:09+08:00", "utc": "1986-01-07T00:00:09Z", "ms": 505440009156.55505 }, "end": { "local": "1986-01-07T08:00:09+08:00", "utc": "1986-01-07T00:00:09Z", "ms": 505440009156.55505 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:46 on Mon 6 Jan to 08:08 on Tue 7 Jan.", "fact": "1986-01-06T02:46:06Z → 1986-01-07T00:07:49Z" }, { "step": "kaala", "text": "Sunrise is at 08:00 on the 6th and 08:00 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 460 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1986: Tuesday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-07", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1986 falls on Tuesday 7 January. Ekādaśī runs from 10:46 on Mon 6 Jan to 08:08 on Tue 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-01-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23305, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-01-08T05:14:38+08:00", "utc": "1986-01-07T21:14:38Z", "ms": 505516478235.48224 }, "end": { "local": "1986-01-09T02:13:27+08:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-08T05:14:38+08:00", "utc": "1986-01-07T21:14:38Z", "ms": 505516478235.48224 }, "end": { "local": "1986-01-09T02:13:27+08:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-01-07", "window": { "start": { "local": "1986-01-07T17:51:03+08:00", "utc": "1986-01-07T09:51:03Z", "ms": 505475463395.5541 }, "end": { "local": "1986-01-07T19:44:16+08:00", "utc": "1986-01-07T11:44:16Z", "ms": 505482256090.8789 } }, "covered_min": 0, "window_min": 113, "qualifies": false }, { "local_date": "1986-01-08", "window": { "start": { "local": "1986-01-08T17:51:56+08:00", "utc": "1986-01-08T09:51:56Z", "ms": 505561916334.0764 }, "end": { "local": "1986-01-08T19:45:02+08:00", "utc": "1986-01-08T11:45:02Z", "ms": 505568701638.41895 } }, "covered_min": 113, "window_min": 113, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:15 on Wed 8 Jan to 02:13 on Thu 9 Jan.", "fact": "1986-01-07T21:14:38Z → 1986-01-08T18:13:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:44 on the 7th, 17:52–19:45 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 113 minutes on the 7th and 113 of 113 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 23305 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Wednesday 8 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": "1986-01-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Wednesday 8 January. Trayodaśī runs from 05:15 on Wed 8 Jan to 02:13 on Thu 9 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-01-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-01-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-08", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3205, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-01-09T02:13:27+08:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "end": { "local": "1986-01-09T23:12:38+08:00", "utc": "1986-01-09T15:12:38Z", "ms": 505667557711.1577 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-09T02:13:27+08:00", "utc": "1986-01-08T18:13:27Z", "ms": 505592006585.5688 }, "end": { "local": "1986-01-09T23:12:38+08:00", "utc": "1986-01-09T15:12:38Z", "ms": 505667557711.1577 } }, "kaala": "nishita", "days": [ { "local_date": "1986-01-08", "window": { "start": { "local": "1986-01-09T00:32:01+08:00", "utc": "1986-01-08T16:32:01Z", "ms": 505585921225.36084 }, "end": { "local": "1986-01-09T01:20:01+08:00", "utc": "1986-01-08T17:20:01Z", "ms": 505588801225.36084 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-01-09", "window": { "start": { "local": "1986-01-10T00:32:26+08:00", "utc": "1986-01-09T16:32:26Z", "ms": 505672345943.2059 }, "end": { "local": "1986-01-10T01:20:26+08:00", "utc": "1986-01-09T17:20:26Z", "ms": 505675225943.2059 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:13 on Thu 9 Jan to 23:13 on Thu 9 Jan.", "fact": "1986-01-08T18:13:27Z → 1986-01-09T15:12:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 8th, 00:32–01:20 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 0 of 48 on the 9th.", "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 3205 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Wednesday 8 January.", "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": "1986-01-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-08", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Wednesday 8 January. Caturdaśī runs from 02:13 on Thu 9 Jan to 23:13 on Thu 9 Jan, and reaches niśītha on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-01-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23825, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-13T00:19:06+08:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T17:56:34+08:00", "utc": "1986-01-13T09:56:34Z", "ms": 505994194086.829 }, "end": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1986-01-15", "window": { "start": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 }, "end": { "local": "1986-01-15T17:58:30+08:00", "utc": "1986-01-15T09:58:30Z", "ms": 506167110264.13336 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1986-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:20 on Tue 14 Jan.", "fact": "1986-01-14T03:20:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:58, and the day of the 15th ends at 17:59.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 23825 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Qingyang, 1986: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1986-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Bhogi 1986 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 11:20 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1986/bhogi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23825, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-13T00:19:06+08:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T17:56:34+08:00", "utc": "1986-01-13T09:56:34Z", "ms": 505994194086.829 }, "end": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1986-01-15", "window": { "start": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 }, "end": { "local": "1986-01-15T17:58:30+08:00", "utc": "1986-01-15T09:58:30Z", "ms": 506167110264.13336 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:20 on Tue 14 Jan.", "fact": "1986-01-14T03:20:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:58, and the day of the 15th ends at 17:59.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 23825 s" }, { "step": "ruling", "text": "Pongal, Qingyang, 1986: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-14", "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": "1986-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Pongal 1986 falls on Tuesday 14 January. The Sun enters Makara at 11:20 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1986/pongal", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40827, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-13T00:19:06+08:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "civil-day", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-13T00:00:00+08:00", "utc": "1986-01-12T16:00:00Z", "ms": 505929600000 }, "end": { "local": "1986-01-14T00:00:00+08:00", "utc": "1986-01-13T16:00:00Z", "ms": 506016000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-14T00:00:00+08:00", "utc": "1986-01-13T16:00:00Z", "ms": 506016000000 }, "end": { "local": "1986-01-15T00:00:00+08:00", "utc": "1986-01-14T16:00:00Z", "ms": 506102400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:20 on Tue 14 Jan.", "fact": "1986-01-14T03:20:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Qingyang.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 40827 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Qingyang, 1986: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1986-01-14", "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": "1986-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Makara Saṅkrānti 1986 falls on Tuesday 14 January. The Sun enters Makara at 11:20 on Tue 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/qingyang/festivals/1986/makara-sankranti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-01-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1842, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-01-13T14:28:12+08:00", "utc": "1986-01-13T06:28:12Z", "ms": 505981692350.00397 }, "end": { "local": "1986-01-14T13:53:10+08:00", "utc": "1986-01-14T05:53:10Z", "ms": 506065989813.6184 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-13T14:28:12+08:00", "utc": "1986-01-13T06:28:12Z", "ms": 505981692350.00397 }, "end": { "local": "1986-01-14T13:53:10+08:00", "utc": "1986-01-14T05:53:10Z", "ms": 506065989813.6184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-01-13", "window": { "start": { "local": "1986-01-13T12:34:05+08:00", "utc": "1986-01-13T04:34:05Z", "ms": 505974845322.4602 }, "end": { "local": "1986-01-13T13:22:05+08:00", "utc": "1986-01-13T05:22:05Z", "ms": 505977725322.4602 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-14T12:34:28+08:00", "utc": "1986-01-14T04:34:28Z", "ms": 506061268064.138 }, "end": { "local": "1986-01-14T13:22:28+08:00", "utc": "1986-01-14T05:22:28Z", "ms": 506064148064.138 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:28 on Mon 13 Jan to 13:53 on Tue 14 Jan.", "fact": "1986-01-13T06:28:12Z → 1986-01-14T05:53:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 13th, 12:34–13:22 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1842 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Tuesday 14 January. Caturthī runs from 14:28 on Mon 13 Jan to 13:53 on Tue 14 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23825, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-02-13T00:19:06+08:00", "utc": "1986-02-12T16:19:06Z", "ms": 508609145661.87024 } }, "span": { "of": "transit", "start": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 }, "end": { "local": "1986-01-14T11:20:27+08:00", "utc": "1986-01-14T03:20:27Z", "ms": 506056827360.9726 } }, "kaala": "sunset-day", "days": [ { "local_date": "1986-01-14", "window": { "start": { "local": "1986-01-13T17:56:34+08:00", "utc": "1986-01-13T09:56:34Z", "ms": 505994194086.829 }, "end": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1986-01-15", "window": { "start": { "local": "1986-01-14T17:57:32+08:00", "utc": "1986-01-14T09:57:32Z", "ms": 506080651865.35645 }, "end": { "local": "1986-01-15T17:58:30+08:00", "utc": "1986-01-15T09:58:30Z", "ms": 506167110264.13336 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1986-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 11:20 on Tue 14 Jan.", "fact": "1986-01-14T03:20:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:58, and the day of the 15th ends at 17:59.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 23825 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Qingyang, 1986: Wednesday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-01-15", "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": "1986-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Qingyang, Mattu Pongal 1986 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 11:20 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/qingyang/festivals/1986/mattu-pongal", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-01-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16340, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-01-21T00:53:52+08:00", "utc": "1986-01-20T16:53:52Z", "ms": 506624032061.96136 }, "end": { "local": "1986-01-22T03:24:16+08:00", "utc": "1986-01-21T19:24:16Z", "ms": 506719456134.6427 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-21T00:53:52+08:00", "utc": "1986-01-20T16:53:52Z", "ms": 506624032061.96136 }, "end": { "local": "1986-01-22T03:24:16+08:00", "utc": "1986-01-21T19:24:16Z", "ms": 506719456134.6427 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-01-21", "window": { "start": { "local": "1986-01-21T07:57:04+08:00", "utc": "1986-01-20T23:57:04Z", "ms": 506649424003.707 }, "end": { "local": "1986-01-21T07:57:04+08:00", "utc": "1986-01-20T23:57:04Z", "ms": 506649424003.707 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-01-22", "window": { "start": { "local": "1986-01-22T07:56:36+08:00", "utc": "1986-01-21T23:56:36Z", "ms": 506735796398.5998 }, "end": { "local": "1986-01-22T07:56:36+08:00", "utc": "1986-01-21T23:56:36Z", "ms": 506735796398.5998 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:54 on Tue 21 Jan to 03:24 on Wed 22 Jan.", "fact": "1986-01-20T16:53:52Z → 1986-01-21T19:24:16Z" }, { "step": "kaala", "text": "Sunrise is at 07:57 on the 21st and 07:57 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16340 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1986: Tuesday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-21", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1986 falls on Tuesday 21 January. Ekādaśī runs from 00:54 on Tue 21 Jan to 03:24 on Wed 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-01-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34417, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-01-23T05:29:54+08:00", "utc": "1986-01-22T21:29:54Z", "ms": 506813394108.27026 }, "end": { "local": "1986-01-24T07:03:54+08:00", "utc": "1986-01-23T23:03:54Z", "ms": 506905434458.5572 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-01-23T05:29:54+08:00", "utc": "1986-01-22T21:29:54Z", "ms": 506813394108.27026 }, "end": { "local": "1986-01-24T07:03:54+08:00", "utc": "1986-01-23T23:03:54Z", "ms": 506905434458.5572 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-01-22", "window": { "start": { "local": "1986-01-22T18:05:32+08:00", "utc": "1986-01-22T10:05:32Z", "ms": 506772332439.667 }, "end": { "local": "1986-01-22T19:56:17+08:00", "utc": "1986-01-22T11:56:17Z", "ms": 506778977042.2051 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1986-01-23", "window": { "start": { "local": "1986-01-23T18:06:34+08:00", "utc": "1986-01-23T10:06:34Z", "ms": 506858794137.62067 }, "end": { "local": "1986-01-23T19:57:06+08:00", "utc": "1986-01-23T11:57:06Z", "ms": 506865426346.85596 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:30 on Thu 23 Jan to 07:04 on Fri 24 Jan.", "fact": "1986-01-22T21:29:54Z → 1986-01-23T23:03:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:56 on the 22nd, 18:07–19:57 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 111 minutes on the 22nd and 111 of 111 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 34417 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Thursday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Thursday 23 January. Trayodaśī runs from 05:30 on Thu 23 Jan to 07:04 on Fri 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-01-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30548, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-01-29T07:13:37+08:00", "utc": "1986-01-28T23:13:37Z", "ms": 507338017137.3118 }, "end": { "local": "1986-01-30T06:09:01+08:00", "utc": "1986-01-29T22:09:01Z", "ms": 507420540700.7934 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-01-29T07:13:37+08:00", "utc": "1986-01-28T23:13:37Z", "ms": 507338017137.3118 }, "end": { "local": "1986-01-30T06:09:01+08:00", "utc": "1986-01-29T22:09:01Z", "ms": 507420540700.7934 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-01-28", "window": { "start": { "local": "1986-01-28T20:34:06+08:00", "utc": "1986-01-28T12:34:06Z", "ms": 507299646247.24927 }, "end": { "local": "1986-01-28T20:34:06+08:00", "utc": "1986-01-28T12:34:06Z", "ms": 507299646247.24927 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-01-29", "window": { "start": { "local": "1986-01-29T21:39:53+08:00", "utc": "1986-01-29T13:39:53Z", "ms": 507389993055.29004 }, "end": { "local": "1986-01-29T21:39:53+08:00", "utc": "1986-01-29T13:39:53Z", "ms": 507389993055.29004 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:14 on Wed 29 Jan to 06:09 on Thu 30 Jan.", "fact": "1986-01-28T23:13:37Z → 1986-01-29T22:09:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 28th and 21:40 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30548 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Wednesday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-01-29", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Wednesday 29 January. Caturthī runs from 07:14 on Wed 29 Jan to 06:09 on Thu 30 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-02-05", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33595, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-02-04T19:25:17+08:00", "utc": "1986-02-04T11:25:17Z", "ms": 507900317198.743 }, "end": { "local": "1986-02-05T17:07:04+08:00", "utc": "1986-02-05T09:07:04Z", "ms": 507978423999.30164 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-04T19:25:17+08:00", "utc": "1986-02-04T11:25:17Z", "ms": 507900317198.743 }, "end": { "local": "1986-02-05T17:07:04+08:00", "utc": "1986-02-05T09:07:04Z", "ms": 507978423999.30164 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-02-04", "window": { "start": { "local": "1986-02-04T07:48:00+08:00", "utc": "1986-02-03T23:48:00Z", "ms": 507858479795.3107 }, "end": { "local": "1986-02-04T07:48:00+08:00", "utc": "1986-02-03T23:48:00Z", "ms": 507858479795.3107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-02-05", "window": { "start": { "local": "1986-02-05T07:47:09+08:00", "utc": "1986-02-04T23:47:09Z", "ms": 507944828873.8569 }, "end": { "local": "1986-02-05T07:47:09+08:00", "utc": "1986-02-04T23:47:09Z", "ms": 507944828873.8569 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:25 on Tue 4 Feb to 17:07 on Wed 5 Feb.", "fact": "1986-02-04T11:25:17Z → 1986-02-05T09:07:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:48 on the 4th and 07:47 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33595 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Qingyang, 1986: Wednesday 5 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": "1986-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-05", "confidence": "determinate" } ], "quote": "In Qingyang, Ṣaṭtilā Ekādaśī 1986 falls on Wednesday 5 February. Ekādaśī runs from 19:25 on Tue 4 Feb to 17:07 on Wed 5 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-02-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12777, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-02-06T14:48:11+08:00", "utc": "1986-02-06T06:48:11Z", "ms": 508056491080.682 }, "end": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-06T14:48:11+08:00", "utc": "1986-02-06T06:48:11Z", "ms": 508056491080.682 }, "end": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-06", "window": { "start": { "local": "1986-02-06T18:21:08+08:00", "utc": "1986-02-06T10:21:08Z", "ms": 508069267926.8302 }, "end": { "local": "1986-02-06T20:08:22+08:00", "utc": "1986-02-06T12:08:22Z", "ms": 508075701894.6226 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1986-02-07", "window": { "start": { "local": "1986-02-07T18:22:10+08:00", "utc": "1986-02-07T10:22:10Z", "ms": 508155729960.51697 }, "end": { "local": "1986-02-07T20:09:08+08:00", "utc": "1986-02-07T12:09:08Z", "ms": 508162148295.4115 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:48 on Thu 6 Feb to 12:35 on Fri 7 Feb.", "fact": "1986-02-06T06:48:11Z → 1986-02-07T04:34:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–20:08 on the 6th, 18:22–20:09 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 6th and 0 of 107 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12777 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Thursday 6 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": "1986-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-06", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Thursday 6 February. Trayodaśī runs from 14:48 on Thu 6 Feb to 12:35 on Fri 7 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-02-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32832, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-08T10:34:31+08:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-08T10:34:31+08:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 } }, "kaala": "nishita", "days": [ { "local_date": "1986-02-06", "window": { "start": { "local": "1986-02-07T00:39:15+08:00", "utc": "1986-02-06T16:39:15Z", "ms": 508091955306.0519 }, "end": { "local": "1986-02-07T01:27:15+08:00", "utc": "1986-02-06T17:27:15Z", "ms": 508094835306.0519 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-07", "window": { "start": { "local": "1986-02-08T00:39:19+08:00", "utc": "1986-02-07T16:39:19Z", "ms": 508178358716.37134 }, "end": { "local": "1986-02-08T01:27:19+08:00", "utc": "1986-02-07T17:27:19Z", "ms": 508181238716.37134 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:35 on Fri 7 Feb to 10:35 on Sat 8 Feb.", "fact": "1986-02-07T04:34:51Z → 1986-02-08T02:34:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:39–01:27 on the 6th, 00:39–01:27 on the 7th.", "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 6th and 48 of 48 on the 7th.", "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 32832 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Friday 7 February.", "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": "1986-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Friday 7 February. Caturdaśī runs from 12:35 on Fri 7 Feb to 10:35 on Sat 8 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10203, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-08T10:34:31+08:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-07T12:34:51+08:00", "utc": "1986-02-07T04:34:51Z", "ms": 508134891401.40814 }, "end": { "local": "1986-02-08T10:34:31+08:00", "utc": "1986-02-08T02:34:31Z", "ms": 508214070743.4959 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-02-07", "window": { "start": { "local": "1986-02-07T05:58:09+08:00", "utc": "1986-02-06T21:58:09Z", "ms": 508111088717.4811 }, "end": { "local": "1986-02-07T07:45:23+08:00", "utc": "1986-02-06T23:45:23Z", "ms": 508117522685.2735 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1986-02-08", "window": { "start": { "local": "1986-02-08T05:57:29+08:00", "utc": "1986-02-07T21:57:29Z", "ms": 508197449137.33124 }, "end": { "local": "1986-02-08T07:44:27+08:00", "utc": "1986-02-07T23:44:27Z", "ms": 508203867472.22577 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:35 on Fri 7 Feb to 10:35 on Sat 8 Feb.", "fact": "1986-02-07T04:34:51Z → 1986-02-08T02:34:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:58–07:45 on the 7th, 05:57–07:44 on the 8th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 107 minutes on the 7th and 107 of 107 on the 8th.", "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 10203 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Qingyang, 1986: Saturday 8 February.", "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": "1986-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-08", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Tarpaṇa 1986 falls on Saturday 8 February. Caturdaśī runs from 12:35 on Fri 7 Feb to 10:35 on Sat 8 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1986/yama-tarpana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15896, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-12T07:21:28+08:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-12T07:21:28+08:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T12:39:55+08:00", "utc": "1986-02-12T04:39:55Z", "ms": 508567194978.1515 }, "end": { "local": "1986-02-12T13:27:55+08:00", "utc": "1986-02-12T05:27:55Z", "ms": 508570074978.1515 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T12:39:54+08:00", "utc": "1986-02-13T04:39:54Z", "ms": 508653594355.67694 }, "end": { "local": "1986-02-13T13:27:54+08:00", "utc": "1986-02-13T05:27:54Z", "ms": 508656474355.67694 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:21 on Wed 12 Feb to 08:15 on Thu 13 Feb.", "fact": "1986-02-11T23:21:28Z → 1986-02-13T00:14:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 12th, 12:40–13:28 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15896 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Qingyang, 1986: Wednesday 12 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": "1986-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-12", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1986 falls on Wednesday 12 February. Caturthī runs from 07:21 on Wed 12 Feb to 08:15 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/ganesha-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36799, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-12T07:21:28+08:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-12T07:21:28+08:00", "utc": "1986-02-11T23:21:28Z", "ms": 508548088457.5811 }, "end": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-12", "window": { "start": { "local": "1986-02-12T18:27:17+08:00", "utc": "1986-02-12T10:27:17Z", "ms": 508588036828.9003 }, "end": { "local": "1986-02-12T20:12:55+08:00", "utc": "1986-02-12T12:12:55Z", "ms": 508594374759.62634 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T18:28:17+08:00", "utc": "1986-02-13T10:28:17Z", "ms": 508674497402.00824 }, "end": { "local": "1986-02-13T20:13:39+08:00", "utc": "1986-02-13T12:13:39Z", "ms": 508680818849.502 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:21 on Wed 12 Feb to 08:15 on Thu 13 Feb.", "fact": "1986-02-11T23:21:28Z → 1986-02-13T00:14:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:13 on the 12th, 18:28–20:14 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 106 of 106 minutes on the 12th and 0 of 105 on the 13th.", "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 36799 s" }, { "step": "ruling", "text": "Tila Caturthī, Qingyang, 1986: Wednesday 12 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": "1986-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-12", "confidence": "determinate" } ], "quote": "In Qingyang, Tila Caturthī 1986 falls on Wednesday 12 February. Caturthī runs from 07:21 on Wed 12 Feb to 08:15 on Thu 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/tila-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10151, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-14T09:50:42+08:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-14T09:50:42+08:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T12:39:54+08:00", "utc": "1986-02-13T04:39:54Z", "ms": 508653594355.67694 }, "end": { "local": "1986-02-13T13:27:54+08:00", "utc": "1986-02-13T05:27:54Z", "ms": 508656474355.67694 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-14", "window": { "start": { "local": "1986-02-14T12:39:53+08:00", "utc": "1986-02-14T04:39:53Z", "ms": 508739992964.52527 }, "end": { "local": "1986-02-14T13:27:53+08:00", "utc": "1986-02-14T05:27:53Z", "ms": 508742872964.52527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:15 on Thu 13 Feb to 09:51 on Fri 14 Feb.", "fact": "1986-02-13T00:14:58Z → 1986-02-14T01:50:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 13th, 12:40–13:28 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10151 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Qingyang, 1986: Thursday 13 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": "1986-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Pañcamī 1986 falls on Thursday 13 February. Pañcamī runs from 08:15 on Thu 13 Feb to 09:51 on Fri 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/shri-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10151, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-14T09:50:42+08:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-13T08:14:58+08:00", "utc": "1986-02-13T00:14:58Z", "ms": 508637698288.9156 }, "end": { "local": "1986-02-14T09:50:42+08:00", "utc": "1986-02-14T01:50:42Z", "ms": 508729841963.9339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-13", "window": { "start": { "local": "1986-02-13T12:39:54+08:00", "utc": "1986-02-13T04:39:54Z", "ms": 508653594355.67694 }, "end": { "local": "1986-02-13T13:27:54+08:00", "utc": "1986-02-13T05:27:54Z", "ms": 508656474355.67694 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-02-14", "window": { "start": { "local": "1986-02-14T12:39:53+08:00", "utc": "1986-02-14T04:39:53Z", "ms": 508739992964.52527 }, "end": { "local": "1986-02-14T13:27:53+08:00", "utc": "1986-02-14T05:27:53Z", "ms": 508742872964.52527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:15 on Thu 13 Feb to 09:51 on Fri 14 Feb.", "fact": "1986-02-13T00:14:58Z → 1986-02-14T01:50:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 13th, 12:40–13:28 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10151 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Qingyang, 1986: Thursday 13 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": "1986-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vasanta Pañcamī 1986 falls on Thursday 13 February. Pañcamī runs from 08:15 on Thu 13 Feb to 09:51 on Fri 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vasanta-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15837, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-02-15T12:01:21+08:00", "utc": "1986-02-15T04:01:21Z", "ms": 508824080993.4906 }, "end": { "local": "1986-02-16T14:34:43+08:00", "utc": "1986-02-16T06:34:43Z", "ms": 508919683067.2104 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-15T12:01:21+08:00", "utc": "1986-02-15T04:01:21Z", "ms": 508824080993.4906 }, "end": { "local": "1986-02-16T14:34:43+08:00", "utc": "1986-02-16T06:34:43Z", "ms": 508919683067.2104 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-02-15", "window": { "start": { "local": "1986-02-15T05:52:19+08:00", "utc": "1986-02-14T21:52:19Z", "ms": 508801939160.73004 }, "end": { "local": "1986-02-15T07:37:24+08:00", "utc": "1986-02-14T23:37:24Z", "ms": 508808244005.3287 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1986-02-16", "window": { "start": { "local": "1986-02-16T05:51:30+08:00", "utc": "1986-02-15T21:51:30Z", "ms": 508888290454.75745 }, "end": { "local": "1986-02-16T07:36:19+08:00", "utc": "1986-02-15T23:36:19Z", "ms": 508894578582.6721 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:01 on Sat 15 Feb to 14:35 on Sun 16 Feb.", "fact": "1986-02-15T04:01:21Z → 1986-02-16T06:34:43Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:52–07:37 on the 15th, 05:52–07:36 on the 16th.", "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 105 minutes on the 15th and 105 of 105 on the 16th.", "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 15837 s" }, { "step": "ruling", "text": "Ratha Saptamī, Qingyang, 1986: Sunday 16 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": "1986-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-16", "confidence": "determinate" } ], "quote": "In Qingyang, Ratha Saptamī 1986 falls on Sunday 16 February. Saptamī runs from 12:01 on Sat 15 Feb to 14:35 on Sun 16 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1986/ratha-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-02-20", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29088, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-02-19T21:53:18+08:00", "utc": "1986-02-19T13:53:18Z", "ms": 509205198483.1311 }, "end": { "local": "1986-02-20T23:25:47+08:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-19T21:53:18+08:00", "utc": "1986-02-19T13:53:18Z", "ms": 509205198483.1311 }, "end": { "local": "1986-02-20T23:25:47+08:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-02-20", "window": { "start": { "local": "1986-02-20T07:31:46+08:00", "utc": "1986-02-19T23:31:46Z", "ms": 509239905849.88934 }, "end": { "local": "1986-02-20T07:31:46+08:00", "utc": "1986-02-19T23:31:46Z", "ms": 509239905849.88934 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-02-21", "window": { "start": { "local": "1986-02-21T07:30:35+08:00", "utc": "1986-02-20T23:30:35Z", "ms": 509326235073.0596 }, "end": { "local": "1986-02-21T07:30:35+08:00", "utc": "1986-02-20T23:30:35Z", "ms": 509326235073.0596 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:53 on Wed 19 Feb to 23:26 on Thu 20 Feb.", "fact": "1986-02-19T13:53:18Z → 1986-02-20T15:25:47Z" }, { "step": "kaala", "text": "Sunrise is at 07:32 on the 20th and 07:31 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29088 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Qingyang, 1986: Thursday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-20", "confidence": "determinate" } ], "quote": "In Qingyang, Jayā Ekādaśī 1986 falls on Thursday 20 February. Ekādaśī runs from 21:53 on Wed 19 Feb to 23:26 on Thu 20 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35898, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-02-20T23:25:47+08:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "end": { "local": "1986-02-22T00:18:04+08:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-20T23:25:47+08:00", "utc": "1986-02-20T15:25:47Z", "ms": 509297147008.1221 }, "end": { "local": "1986-02-22T00:18:04+08:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-20", "window": { "start": { "local": "1986-02-20T12:39:29+08:00", "utc": "1986-02-20T04:39:29Z", "ms": 509258369096.29193 }, "end": { "local": "1986-02-20T13:27:29+08:00", "utc": "1986-02-20T05:27:29Z", "ms": 509261249096.29193 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-21", "window": { "start": { "local": "1986-02-21T12:39:23+08:00", "utc": "1986-02-21T04:39:23Z", "ms": 509344762657.7929 }, "end": { "local": "1986-02-21T13:27:23+08:00", "utc": "1986-02-21T05:27:23Z", "ms": 509347642657.7929 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:26 on Thu 20 Feb to 00:18 on Sat 22 Feb.", "fact": "1986-02-20T15:25:47Z → 1986-02-21T16:18:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 20th, 12:39–13:27 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35898 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Qingyang, 1986: Friday 21 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": "1986-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-21", "confidence": "determinate" } ], "quote": "In Qingyang, Bhīṣma Dvādaśī 1986 falls on Friday 21 February. Dvādaśī runs from 23:26 on Thu 20 Feb to 00:18 on Sat 22 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/bhishma-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-02-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14328, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-02-22T00:18:04+08:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "end": { "local": "1986-02-23T00:29:17+08:00", "utc": "1986-02-22T16:29:17Z", "ms": 509473756531.96704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-22T00:18:04+08:00", "utc": "1986-02-21T16:18:04Z", "ms": 509386684197.9343 }, "end": { "local": "1986-02-23T00:29:17+08:00", "utc": "1986-02-22T16:29:17Z", "ms": 509473756531.96704 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-02-21", "window": { "start": { "local": "1986-02-21T18:36:10+08:00", "utc": "1986-02-21T10:36:10Z", "ms": 509366170242.52625 }, "end": { "local": "1986-02-21T20:19:16+08:00", "utc": "1986-02-21T12:19:16Z", "ms": 509372355987.05634 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1986-02-22", "window": { "start": { "local": "1986-02-22T18:37:08+08:00", "utc": "1986-02-22T10:37:08Z", "ms": 509452627790.6865 }, "end": { "local": "1986-02-22T20:19:56+08:00", "utc": "1986-02-22T12:19:56Z", "ms": 509458796171.1872 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:18 on Sat 22 Feb to 00:29 on Sun 23 Feb.", "fact": "1986-02-21T16:18:04Z → 1986-02-22T16:29:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:19 on the 21st, 18:37–20:20 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 21st and 103 of 103 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 14328 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Saturday 22 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Saturday 22 February. Trayodaśī runs from 00:18 on Sat 22 Feb to 00:29 on Sun 23 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34514, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-02-24T00:02:14+08:00", "utc": "1986-02-23T16:02:14Z", "ms": 509558533842.1679 }, "end": { "local": "1986-02-24T23:02:14+08:00", "utc": "1986-02-24T15:02:14Z", "ms": 509641333641.87506 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1986-02-24T00:02:14+08:00", "utc": "1986-02-23T16:02:14Z", "ms": 509558533842.1679 }, "end": { "local": "1986-02-24T23:02:14+08:00", "utc": "1986-02-24T15:02:14Z", "ms": 509641333641.87506 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-02-23", "window": { "start": { "local": "1986-02-23T12:39:08+08:00", "utc": "1986-02-23T04:39:08Z", "ms": 509517547816.8774 }, "end": { "local": "1986-02-23T13:27:08+08:00", "utc": "1986-02-23T05:27:08Z", "ms": 509520427816.8774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-02-24", "window": { "start": { "local": "1986-02-24T12:38:59+08:00", "utc": "1986-02-24T04:38:59Z", "ms": 509603939451.8328 }, "end": { "local": "1986-02-24T13:26:59+08:00", "utc": "1986-02-24T05:26:59Z", "ms": 509606819451.8328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:02 on Mon 24 Feb to 23:02 on Mon 24 Feb.", "fact": "1986-02-23T16:02:14Z → 1986-02-24T15:02:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 23rd, 12:39–13:27 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34514 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Qingyang, 1986: Monday 24 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": "1986-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-24", "confidence": "determinate" } ], "quote": "In Qingyang, Māghī Pūrṇimā 1986 falls on Monday 24 February. Pūrṇimā runs from 00:02 on Mon 24 Feb to 23:02 on Mon 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/maghi-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-02-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13921, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-02-27T17:50:50+08:00", "utc": "1986-02-27T09:50:50Z", "ms": 509881849915.1669 }, "end": { "local": "1986-02-28T15:44:16+08:00", "utc": "1986-02-28T07:44:16Z", "ms": 509960655556.1134 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-02-27T17:50:50+08:00", "utc": "1986-02-27T09:50:50Z", "ms": 509881849915.1669 }, "end": { "local": "1986-02-28T15:44:16+08:00", "utc": "1986-02-28T07:44:16Z", "ms": 509960655556.1134 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-02-27", "window": { "start": { "local": "1986-02-27T21:42:51+08:00", "utc": "1986-02-27T13:42:51Z", "ms": 509895770910.157 }, "end": { "local": "1986-02-27T21:42:51+08:00", "utc": "1986-02-27T13:42:51Z", "ms": 509895770910.157 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-02-28", "window": { "start": { "local": "1986-02-28T22:52:37+08:00", "utc": "1986-02-28T14:52:37Z", "ms": 509986356545.77136 }, "end": { "local": "1986-02-28T22:52:37+08:00", "utc": "1986-02-28T14:52:37Z", "ms": 509986356545.77136 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:51 on Thu 27 Feb to 15:44 on Fri 28 Feb.", "fact": "1986-02-27T09:50:50Z → 1986-02-28T07:44:16Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 27th and 22:53 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13921 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Thursday 27 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": "1986-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-02-27", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Thursday 27 February. Caturthī runs from 17:51 on Thu 27 Feb to 15:44 on Fri 28 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-03-06", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13138, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-03-06T03:35:01+08:00", "utc": "1986-03-05T19:35:01Z", "ms": 510435300633.61395 }, "end": { "local": "1986-03-07T01:59:35+08:00", "utc": "1986-03-06T17:59:35Z", "ms": 510515975352.566 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-06T03:35:01+08:00", "utc": "1986-03-05T19:35:01Z", "ms": 510435300633.61395 }, "end": { "local": "1986-03-07T01:59:35+08:00", "utc": "1986-03-06T17:59:35Z", "ms": 510515975352.566 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-06", "window": { "start": { "local": "1986-03-06T07:13:59+08:00", "utc": "1986-03-05T23:13:59Z", "ms": 510448439085.7601 }, "end": { "local": "1986-03-06T07:13:59+08:00", "utc": "1986-03-05T23:13:59Z", "ms": 510448439085.7601 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-03-07", "window": { "start": { "local": "1986-03-07T07:12:38+08:00", "utc": "1986-03-06T23:12:38Z", "ms": 510534757787.93353 }, "end": { "local": "1986-03-07T07:12:38+08:00", "utc": "1986-03-06T23:12:38Z", "ms": 510534757787.93353 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:35 on Thu 6 Mar to 02:00 on Fri 7 Mar.", "fact": "1986-03-05T19:35:01Z → 1986-03-06T17:59:35Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 6th and 07:13 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13138 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Qingyang, 1986: Thursday 6 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": "1986-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-06", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Ekādaśī 1986 falls on Thursday 6 March. Ekādaśī runs from 03:35 on Thu 6 Mar to 02:00 on Fri 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3497, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-03-08T23:37:39+08:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "end": { "local": "1986-03-09T23:00:15+08:00", "utc": "1986-03-09T15:00:15Z", "ms": 510764414739.7569 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-08T23:37:39+08:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "end": { "local": "1986-03-09T23:00:15+08:00", "utc": "1986-03-09T15:00:15Z", "ms": 510764414739.7569 } }, "kaala": "nishita", "days": [ { "local_date": "1986-03-08", "window": { "start": { "local": "1986-03-09T00:35:57+08:00", "utc": "1986-03-08T16:35:57Z", "ms": 510683756749.2306 }, "end": { "local": "1986-03-09T01:23:57+08:00", "utc": "1986-03-08T17:23:57Z", "ms": 510686636749.2306 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-03-09", "window": { "start": { "local": "1986-03-10T00:35:42+08:00", "utc": "1986-03-09T16:35:42Z", "ms": 510770141872.74963 }, "end": { "local": "1986-03-10T01:23:42+08:00", "utc": "1986-03-09T17:23:42Z", "ms": 510773021872.74963 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:38 on Sat 8 Mar to 23:00 on Sun 9 Mar.", "fact": "1986-03-08T15:37:39Z → 1986-03-09T15:00:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:36–01:24 on the 8th, 00:36–01:24 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 3497 s" }, { "step": "ruling", "text": "Mahāśivarātri, Qingyang, 1986: Saturday 8 March.", "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": "1986-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-08", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāśivarātri 1986 falls on Saturday 8 March. Caturdaśī runs from 23:38 on Sat 8 Mar to 23:00 on Sun 9 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/maha-shivaratri", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-03-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11340, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-03-08T00:39:02+08:00", "utc": "1986-03-07T16:39:02Z", "ms": 510597542030.0529 }, "end": { "local": "1986-03-08T23:37:39+08:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-08T00:39:02+08:00", "utc": "1986-03-07T16:39:02Z", "ms": 510597542030.0529 }, "end": { "local": "1986-03-08T23:37:39+08:00", "utc": "1986-03-08T15:37:39Z", "ms": 510680259361.5549 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-03-07", "window": { "start": { "local": "1986-03-07T18:49:07+08:00", "utc": "1986-03-07T10:49:07Z", "ms": 510576546553.22955 }, "end": { "local": "1986-03-07T20:28:04+08:00", "utc": "1986-03-07T12:28:04Z", "ms": 510582483809.5575 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1986-03-08", "window": { "start": { "local": "1986-03-08T18:50:00+08:00", "utc": "1986-03-08T10:50:00Z", "ms": 510662999820.9977 }, "end": { "local": "1986-03-08T20:28:39+08:00", "utc": "1986-03-08T12:28:39Z", "ms": 510668919001.8598 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:39 on Sat 8 Mar to 23:38 on Sat 8 Mar.", "fact": "1986-03-07T16:39:02Z → 1986-03-08T15:37:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:28 on the 7th, 18:50–20:29 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 7th and 99 of 99 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 11340 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Saturday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-08", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Saturday 8 March. Trayodaśī runs from 00:39 on Sat 8 Mar to 23:38 on Sat 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-03-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-03-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31363, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-03-14T01:48:04+08:00", "utc": "1986-03-13T17:48:04Z", "ms": 511120084207.61725 }, "end": { "local": "1986-03-15T03:52:05+08:00", "utc": "1986-03-14T19:52:05Z", "ms": 511213925040.24536 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-14T01:48:04+08:00", "utc": "1986-03-13T17:48:04Z", "ms": 511120084207.61725 }, "end": { "local": "1986-03-15T03:52:05+08:00", "utc": "1986-03-14T19:52:05Z", "ms": 511213925040.24536 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-03-14", "window": { "start": { "local": "1986-03-14T12:35:05+08:00", "utc": "1986-03-14T04:35:05Z", "ms": 511158904955.14264 }, "end": { "local": "1986-03-14T13:23:05+08:00", "utc": "1986-03-14T05:23:05Z", "ms": 511161784955.14264 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-03-15", "window": { "start": { "local": "1986-03-15T12:34:48+08:00", "utc": "1986-03-15T04:34:48Z", "ms": 511245288403.9479 }, "end": { "local": "1986-03-15T13:22:48+08:00", "utc": "1986-03-15T05:22:48Z", "ms": 511248168403.9479 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:48 on Fri 14 Mar to 03:52 on Sat 15 Mar.", "fact": "1986-03-13T17:48:04Z → 1986-03-14T19:52:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 14th, 12:35–13:23 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31363 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Friday 14 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": "1986-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Friday 14 March. Caturthī runs from 01:48 on Fri 14 Mar to 03:52 on Sat 15 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-03-22", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34470, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-03-21T16:27:28+08:00", "utc": "1986-03-21T08:27:28Z", "ms": 511777648276.1345 }, "end": { "local": "1986-03-22T16:44:21+08:00", "utc": "1986-03-22T08:44:21Z", "ms": 511865060832.2471 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-21T16:27:28+08:00", "utc": "1986-03-21T08:27:28Z", "ms": 511777648276.1345 }, "end": { "local": "1986-03-22T16:44:21+08:00", "utc": "1986-03-22T08:44:21Z", "ms": 511865060832.2471 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-21", "window": { "start": { "local": "1986-03-21T06:52:58+08:00", "utc": "1986-03-20T22:52:58Z", "ms": 511743178498.57434 }, "end": { "local": "1986-03-21T06:52:58+08:00", "utc": "1986-03-20T22:52:58Z", "ms": 511743178498.57434 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-03-22", "window": { "start": { "local": "1986-03-22T06:51:32+08:00", "utc": "1986-03-21T22:51:32Z", "ms": 511829492484.5003 }, "end": { "local": "1986-03-22T06:51:32+08:00", "utc": "1986-03-21T22:51:32Z", "ms": 511829492484.5003 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:27 on Fri 21 Mar to 16:44 on Sat 22 Mar.", "fact": "1986-03-21T08:27:28Z → 1986-03-22T08:44:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:53 on the 21st and 06:52 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34470 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Qingyang, 1986: Saturday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-22", "confidence": "determinate" } ], "quote": "In Qingyang, Āmalakī Ekādaśī 1986 falls on Saturday 22 March. Ekādaśī runs from 16:27 on Fri 21 Mar to 16:44 on Sat 22 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-03-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10028, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-03-23T16:15:42+08:00", "utc": "1986-03-23T08:15:42Z", "ms": 511949742324.7893 }, "end": { "local": "1986-03-24T15:04:53+08:00", "utc": "1986-03-24T07:04:53Z", "ms": 512031893332.966 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-23T16:15:42+08:00", "utc": "1986-03-23T08:15:42Z", "ms": 511949742324.7893 }, "end": { "local": "1986-03-24T15:04:53+08:00", "utc": "1986-03-24T07:04:53Z", "ms": 512031893332.966 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-03-23", "window": { "start": { "local": "1986-03-23T19:02:51+08:00", "utc": "1986-03-23T11:02:51Z", "ms": 511959770540.40533 }, "end": { "local": "1986-03-23T20:36:57+08:00", "utc": "1986-03-23T12:36:57Z", "ms": 511965417168.99915 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1986-03-24", "window": { "start": { "local": "1986-03-24T19:03:40+08:00", "utc": "1986-03-24T11:03:40Z", "ms": 512046220433.1555 }, "end": { "local": "1986-03-24T20:37:29+08:00", "utc": "1986-03-24T12:37:29Z", "ms": 512051848922.2622 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:16 on Sun 23 Mar to 15:05 on Mon 24 Mar.", "fact": "1986-03-23T08:15:42Z → 1986-03-24T07:04:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:03–20:37 on the 23rd, 19:04–20:37 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 23rd and 0 of 94 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10028 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Sunday 23 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": "1986-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-23", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Sunday 23 March. Trayodaśī runs from 16:16 on Sun 23 Mar to 15:05 on Mon 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11956, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-03-25T13:17:47+08:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-25T13:17:47+08:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-03-25", "window": { "start": { "local": "1986-03-25T16:37:03+08:00", "utc": "1986-03-25T08:37:03Z", "ms": 512123822987.9081 }, "end": { "local": "1986-03-25T19:04:30+08:00", "utc": "1986-03-25T11:04:30Z", "ms": 512132670209.5212 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "1986-03-26", "window": { "start": { "local": "1986-03-26T16:37:26+08:00", "utc": "1986-03-26T08:37:26Z", "ms": 512210245501.87964 }, "end": { "local": "1986-03-26T19:05:20+08:00", "utc": "1986-03-26T11:05:20Z", "ms": 512219119886.342 } }, "covered_min": 0, "window_min": 148, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:18 on Tue 25 Mar to 11:02 on Wed 26 Mar.", "fact": "1986-03-25T05:17:47Z → 1986-03-26T03:01:47Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:05 on the 25th, 16:37–19:05 on the 26th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 147 of 147 minutes on the 25th and 0 of 148 on the 26th.", "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 11956 s" }, { "step": "ruling", "text": "Holikā Dahana, Qingyang, 1986: Tuesday 25 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": "1986-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-25", "confidence": "determinate" } ], "quote": "In Qingyang, Holikā Dahana 1986 falls on Tuesday 25 March. Pūrṇimā runs from 13:18 on Tue 25 Mar to 11:02 on Wed 26 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/holika-dahana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11956, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-03-25T13:17:47+08:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1986-03-25T13:17:47+08:00", "utc": "1986-03-25T05:17:47Z", "ms": 512111866728.46625 }, "end": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-03-25", "window": { "start": { "local": "1986-03-25T16:37:03+08:00", "utc": "1986-03-25T08:37:03Z", "ms": 512123822987.9081 }, "end": { "local": "1986-03-25T19:04:30+08:00", "utc": "1986-03-25T11:04:30Z", "ms": 512132670209.5212 } }, "covered_min": 147, "window_min": 147, "qualifies": true }, { "local_date": "1986-03-26", "window": { "start": { "local": "1986-03-26T16:37:26+08:00", "utc": "1986-03-26T08:37:26Z", "ms": 512210245501.87964 }, "end": { "local": "1986-03-26T19:05:20+08:00", "utc": "1986-03-26T11:05:20Z", "ms": 512219119886.342 } }, "covered_min": 0, "window_min": 148, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1986-03-25", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:18 on Tue 25 Mar to 11:02 on Wed 26 Mar.", "fact": "1986-03-25T05:17:47Z → 1986-03-26T03:01:47Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:05 on the 25th, 16:37–19:05 on the 26th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 147 of 147 minutes on the 25th and 0 of 148 on the 26th.", "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 11956 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 25 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Qingyang, 1986: Wednesday 26 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": "1986-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-26", "confidence": "determinate" } ], "quote": "In Qingyang, Holī 1986 falls on Wednesday 26 March. It is kept the day after Holikā Dahana, which falls on Tuesday 25 March. Pūrṇimā runs from 13:18 on Tue 25 Mar to 11:02 on Wed 26 Mar and covers all of sāyāhna on the 25th.", "cite": "https://ahargana.org/qingyang/festivals/1986/holi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6039, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "end": { "local": "1986-03-27T08:25:01+08:00", "utc": "1986-03-27T00:25:01Z", "ms": 512267100524.2695 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-03-26T11:01:47+08:00", "utc": "1986-03-26T03:01:47Z", "ms": 512190107001.70087 }, "end": { "local": "1986-03-27T08:25:01+08:00", "utc": "1986-03-27T00:25:01Z", "ms": 512267100524.2695 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-03-26", "window": { "start": { "local": "1986-03-26T06:45:48+08:00", "utc": "1986-03-25T22:45:48Z", "ms": 512174747964.0304 }, "end": { "local": "1986-03-26T06:45:48+08:00", "utc": "1986-03-25T22:45:48Z", "ms": 512174747964.0304 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-03-27", "window": { "start": { "local": "1986-03-27T06:44:22+08:00", "utc": "1986-03-26T22:44:22Z", "ms": 512261061873.9273 }, "end": { "local": "1986-03-27T06:44:22+08:00", "utc": "1986-03-26T22:44:22Z", "ms": 512261061873.9273 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:02 on Wed 26 Mar to 08:25 on Thu 27 Mar.", "fact": "1986-03-26T03:01:47Z → 1986-03-27T00:25:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 26th and 06:44 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 26th and is 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: purvaviddha → only-day · margin 6039 s" }, { "step": "ruling", "text": "Vasantotsava, Qingyang, 1986: Thursday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-27", "confidence": "determinate" } ], "quote": "In Qingyang, Vasantotsava 1986 falls on Thursday 27 March. Pratipadā runs from 11:02 on Wed 26 Mar to 08:25 on Thu 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/vasantotsava", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-03-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2723, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-03-29T02:41:31+08:00", "utc": "1986-03-28T18:41:31Z", "ms": 512419290709.44495 }, "end": { "local": "1986-03-29T23:49:48+08:00", "utc": "1986-03-29T15:49:48Z", "ms": 512495387601.1207 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-03-29T02:41:31+08:00", "utc": "1986-03-28T18:41:31Z", "ms": 512419290709.44495 }, "end": { "local": "1986-03-29T23:49:48+08:00", "utc": "1986-03-29T15:49:48Z", "ms": 512495387601.1207 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-03-28", "window": { "start": { "local": "1986-03-28T21:49:08+08:00", "utc": "1986-03-28T13:49:08Z", "ms": 512401747684.9686 }, "end": { "local": "1986-03-28T21:49:08+08:00", "utc": "1986-03-28T13:49:08Z", "ms": 512401747684.9686 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-03-29", "window": { "start": { "local": "1986-03-29T23:04:24+08:00", "utc": "1986-03-29T15:04:24Z", "ms": 512492664478.25507 }, "end": { "local": "1986-03-29T23:04:24+08:00", "utc": "1986-03-29T15:04:24Z", "ms": 512492664478.25507 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:42 on Sat 29 Mar to 23:50 on Sat 29 Mar.", "fact": "1986-03-28T18:41:31Z → 1986-03-29T15:49:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:49 on the 28th and 23:04 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2723 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Saturday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-03-29", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Saturday 29 March. Caturthī runs from 02:42 on Sat 29 Mar to 23:50 on Sat 29 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4849, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-04-01T16:27:15+08:00", "utc": "1986-04-01T08:27:15Z", "ms": 512728035297.767 }, "end": { "local": "1986-04-02T14:38:16+08:00", "utc": "1986-04-02T06:38:16Z", "ms": 512807896125.41113 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-01T16:27:15+08:00", "utc": "1986-04-01T08:27:15Z", "ms": 512728035297.767 }, "end": { "local": "1986-04-02T14:38:16+08:00", "utc": "1986-04-02T06:38:16Z", "ms": 512807896125.41113 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-01", "window": { "start": { "local": "1986-04-01T12:29:45+08:00", "utc": "1986-04-01T04:29:45Z", "ms": 512713785012.9828 }, "end": { "local": "1986-04-01T13:17:45+08:00", "utc": "1986-04-01T05:17:45Z", "ms": 512716665012.9828 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-02", "window": { "start": { "local": "1986-04-02T12:29:27+08:00", "utc": "1986-04-02T04:29:27Z", "ms": 512800167149.3793 }, "end": { "local": "1986-04-02T13:17:27+08:00", "utc": "1986-04-02T05:17:27Z", "ms": 512803047149.3793 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:27 on Tue 1 Apr to 14:38 on Wed 2 Apr.", "fact": "1986-04-01T08:27:15Z → 1986-04-02T06:38:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 1st, 12:29–13:17 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4849 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Qingyang, 1986: Wednesday 2 April.", "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": "1986-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalāṣṭamī 1986 falls on Wednesday 2 April. Aṣṭamī runs from 16:27 on Tue 1 Apr to 14:38 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/shitalashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-04-05", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18580, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-04-04T12:13:53+08:00", "utc": "1986-04-04T04:13:53Z", "ms": 512972033251.3159 }, "end": { "local": "1986-04-05T11:41:14+08:00", "utc": "1986-04-05T03:41:14Z", "ms": 513056474129.2251 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-04T12:13:53+08:00", "utc": "1986-04-04T04:13:53Z", "ms": 512972033251.3159 }, "end": { "local": "1986-04-05T11:41:14+08:00", "utc": "1986-04-05T03:41:14Z", "ms": 513056474129.2251 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-04-04", "window": { "start": { "local": "1986-04-04T06:32:59+08:00", "utc": "1986-04-03T22:32:59Z", "ms": 512951578581.11816 }, "end": { "local": "1986-04-04T06:32:59+08:00", "utc": "1986-04-03T22:32:59Z", "ms": 512951578581.11816 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-04-05", "window": { "start": { "local": "1986-04-05T06:31:34+08:00", "utc": "1986-04-04T22:31:34Z", "ms": 513037894300.13824 }, "end": { "local": "1986-04-05T06:31:34+08:00", "utc": "1986-04-04T22:31:34Z", "ms": 513037894300.13824 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:14 on Fri 4 Apr to 11:41 on Sat 5 Apr.", "fact": "1986-04-04T04:13:53Z → 1986-04-05T03:41:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 4th and 06:32 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18580 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Qingyang, 1986: Saturday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-05", "confidence": "determinate" } ], "quote": "In Qingyang, Pāpamocanī Ekādaśī 1986 falls on Saturday 5 April. Ekādaśī runs from 12:14 on Fri 4 Apr to 11:41 on Sat 5 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-04-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26183, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-06T11:36:04+08:00", "utc": "1986-04-06T03:36:04Z", "ms": 513142563811.4521 }, "end": { "local": "1986-04-07T11:58:51+08:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-06T11:36:04+08:00", "utc": "1986-04-06T03:36:04Z", "ms": 513142563811.4521 }, "end": { "local": "1986-04-07T11:58:51+08:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-04-06", "window": { "start": { "local": "1986-04-06T19:14:24+08:00", "utc": "1986-04-06T11:14:24Z", "ms": 513170064086.6614 }, "end": { "local": "1986-04-06T20:44:19+08:00", "utc": "1986-04-06T12:44:19Z", "ms": 513175459115.9644 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1986-04-07", "window": { "start": { "local": "1986-04-07T19:15:14+08:00", "utc": "1986-04-07T11:15:14Z", "ms": 513256513615.1365 }, "end": { "local": "1986-04-07T20:44:51+08:00", "utc": "1986-04-07T12:44:51Z", "ms": 513261890952.86346 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:36 on Sun 6 Apr to 11:59 on Mon 7 Apr.", "fact": "1986-04-06T03:36:04Z → 1986-04-07T03:58:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:44 on the 6th, 19:15–20:45 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 6th and 0 of 90 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26183 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Sunday 6 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": "1986-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-06", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Sunday 6 April. Trayodaśī runs from 11:36 on Sun 6 Apr to 11:59 on Mon 7 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-04-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38595, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-04-07T11:58:51+08:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "end": { "local": "1986-04-08T12:49:42+08:00", "utc": "1986-04-08T04:49:42Z", "ms": 513319782234.7493 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-07T11:58:51+08:00", "utc": "1986-04-07T03:58:51Z", "ms": 513230330803.3758 }, "end": { "local": "1986-04-08T12:49:42+08:00", "utc": "1986-04-08T04:49:42Z", "ms": 513319782234.7493 } }, "kaala": "nishita", "days": [ { "local_date": "1986-04-06", "window": { "start": { "local": "1986-04-07T00:27:35+08:00", "utc": "1986-04-06T16:27:35Z", "ms": 513188855446.54785 }, "end": { "local": "1986-04-07T01:15:35+08:00", "utc": "1986-04-06T17:15:35Z", "ms": 513191735446.54785 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-07", "window": { "start": { "local": "1986-04-08T00:27:19+08:00", "utc": "1986-04-07T16:27:19Z", "ms": 513275238631.6127 }, "end": { "local": "1986-04-08T01:15:19+08:00", "utc": "1986-04-07T17:15:19Z", "ms": 513278118631.6127 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:59 on Mon 7 Apr to 12:50 on Tue 8 Apr.", "fact": "1986-04-07T03:58:51Z → 1986-04-08T04:49:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 6th, 00:27–01:15 on the 7th.", "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 6th and 48 of 48 on the 7th.", "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 38595 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Monday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Monday 7 April. Caturdaśī runs from 11:59 on Mon 7 Apr to 12:50 on Tue 8 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3161, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-04-09T14:08:08+08:00", "utc": "1986-04-09T06:08:08Z", "ms": 513410887681.1562 }, "end": { "local": "1986-04-10T15:52:32+08:00", "utc": "1986-04-10T07:52:32Z", "ms": 513503552132.39453 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-09T14:08:08+08:00", "utc": "1986-04-09T06:08:08Z", "ms": 513410887681.1562 }, "end": { "local": "1986-04-10T15:52:32+08:00", "utc": "1986-04-10T07:52:32Z", "ms": 513503552132.39453 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-09", "window": { "start": { "local": "1986-04-09T12:27:27+08:00", "utc": "1986-04-09T04:27:27Z", "ms": 513404846844.1291 }, "end": { "local": "1986-04-09T13:15:27+08:00", "utc": "1986-04-09T05:15:27Z", "ms": 513407726844.1291 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-10", "window": { "start": { "local": "1986-04-10T12:27:11+08:00", "utc": "1986-04-10T04:27:11Z", "ms": 513491230521.8098 }, "end": { "local": "1986-04-10T13:15:11+08:00", "utc": "1986-04-10T05:15:11Z", "ms": 513494110521.8098 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:08 on Wed 9 Apr to 15:53 on Thu 10 Apr.", "fact": "1986-04-09T06:08:08Z → 1986-04-10T07:52:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 9th, 12:27–13:15 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3161 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Qingyang, 1986: Thursday 10 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": "1986-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-10", "confidence": "boundary" } ], "quote": "In Qingyang, Navarātrārambha (Caitra) (Chaitra Navratri) 1986 falls on Thursday 10 April. Pratipadā runs from 14:08 on Wed 9 Apr to 15:53 on Thu 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/navaratra-arambha-caitra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17088, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-04-11T17:59:42+08:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-11T17:59:42+08:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-11", "window": { "start": { "local": "1986-04-11T12:26:54+08:00", "utc": "1986-04-11T04:26:54Z", "ms": 513577614458.9287 }, "end": { "local": "1986-04-11T13:14:54+08:00", "utc": "1986-04-11T05:14:54Z", "ms": 513580494458.9287 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:26:39+08:00", "utc": "1986-04-12T04:26:39Z", "ms": 513663998669.39185 }, "end": { "local": "1986-04-12T13:14:39+08:00", "utc": "1986-04-12T05:14:39Z", "ms": 513666878669.39185 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr.", "fact": "1986-04-11T09:59:42Z → 1986-04-12T12:24:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 11th, 12:27–13:15 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17088 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Qingyang, 1986: Saturday 12 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": "1986-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-12", "confidence": "determinate" } ], "quote": "In Qingyang, Gaurī Tṛtīyā (Gangaur) 1986 falls on Saturday 12 April. Tṛtīyā runs from 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/gauri-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17088, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-04-11T17:59:42+08:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-11T17:59:42+08:00", "utc": "1986-04-11T09:59:42Z", "ms": 513597582202.6735 }, "end": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-11", "window": { "start": { "local": "1986-04-11T12:26:54+08:00", "utc": "1986-04-11T04:26:54Z", "ms": 513577614458.9287 }, "end": { "local": "1986-04-11T13:14:54+08:00", "utc": "1986-04-11T05:14:54Z", "ms": 513580494458.9287 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:26:39+08:00", "utc": "1986-04-12T04:26:39Z", "ms": 513663998669.39185 }, "end": { "local": "1986-04-12T13:14:39+08:00", "utc": "1986-04-12T05:14:39Z", "ms": 513666878669.39185 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr.", "fact": "1986-04-11T09:59:42Z → 1986-04-12T12:24:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 11th, 12:27–13:15 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17088 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Qingyang, 1986: Saturday 12 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": "1986-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-12", "confidence": "determinate" } ], "quote": "In Qingyang, Saubhāgya Śayana Vrata 1986 falls on Saturday 12 April. Tṛtīyā runs from 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/saubhagya-shayana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2245, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1986-04-14T05:41:50+08:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 }, "end": { "local": "1986-05-15T03:35:06+09:00", "utc": "1986-05-14T18:35:06Z", "ms": 516479705589.7814 } }, "span": { "of": "transit", "start": { "local": "1986-04-14T05:41:50+08:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 }, "end": { "local": "1986-04-14T05:41:50+08:00", "utc": "1986-04-13T21:41:50Z", "ms": 513812509888.06366 } }, "kaala": "day", "days": [ { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T06:20:35+08:00", "utc": "1986-04-12T22:20:35Z", "ms": 513728434818.3048 }, "end": { "local": "1986-04-14T06:19:15+08:00", "utc": "1986-04-13T22:19:15Z", "ms": 513814754634.6492 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1986-04-14", "window": { "start": { "local": "1986-04-14T06:19:15+08:00", "utc": "1986-04-13T22:19:15Z", "ms": 513814754634.6492 }, "end": { "local": "1986-04-15T06:17:55+08:00", "utc": "1986-04-14T22:17:55Z", "ms": 513901075042.7209 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 05:42 on Mon 14 Apr.", "fact": "1986-04-13T21:41:50Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 13th, and from 06:19 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 2245 s" }, { "step": "ruling", "text": "Vaiśākhī, Qingyang, 1986: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1986-04-14", "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": "1986-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Qingyang, Vaiśākhī 1986 falls on Sunday 13 April. The Sun enters Meṣa at 05:42 on Mon 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/qingyang/festivals/1986/vaishakhi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-04-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25775, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "end": { "local": "1986-04-13T22:58:15+08:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-12T20:24:14+08:00", "utc": "1986-04-12T12:24:14Z", "ms": 513692653986.9189 }, "end": { "local": "1986-04-13T22:58:15+08:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-12", "window": { "start": { "local": "1986-04-12T12:26:39+08:00", "utc": "1986-04-12T04:26:39Z", "ms": 513663998669.39185 }, "end": { "local": "1986-04-12T13:14:39+08:00", "utc": "1986-04-12T05:14:39Z", "ms": 513666878669.39185 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T12:26:23+08:00", "utc": "1986-04-13T04:26:23Z", "ms": 513750383167.0331 }, "end": { "local": "1986-04-13T13:14:23+08:00", "utc": "1986-04-13T05:14:23Z", "ms": 513753263167.0331 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:24 on Sat 12 Apr to 22:58 on Sun 13 Apr.", "fact": "1986-04-12T12:24:14Z → 1986-04-13T14:58:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 12th, 12:26–13:14 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25775 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Sunday 13 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": "1986-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-13", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Sunday 13 April. Caturthī runs from 20:24 on Sat 12 Apr to 22:58 on Sun 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35032, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-04-13T22:58:15+08:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "end": { "local": "1986-04-15T01:31:34+08:00", "utc": "1986-04-14T17:31:34Z", "ms": 513883894256.8131 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-13T22:58:15+08:00", "utc": "1986-04-13T14:58:15Z", "ms": 513788295042.13544 }, "end": { "local": "1986-04-15T01:31:34+08:00", "utc": "1986-04-14T17:31:34Z", "ms": 513883894256.8131 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-13", "window": { "start": { "local": "1986-04-13T12:26:23+08:00", "utc": "1986-04-13T04:26:23Z", "ms": 513750383167.0331 }, "end": { "local": "1986-04-13T13:14:23+08:00", "utc": "1986-04-13T05:14:23Z", "ms": 513753263167.0331 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-14", "window": { "start": { "local": "1986-04-14T12:26:08+08:00", "utc": "1986-04-14T04:26:08Z", "ms": 513836767965.6384 }, "end": { "local": "1986-04-14T13:14:08+08:00", "utc": "1986-04-14T05:14:08Z", "ms": 513839647965.6384 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:58 on Sun 13 Apr to 01:32 on Tue 15 Apr.", "fact": "1986-04-13T14:58:15Z → 1986-04-14T17:31:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 13th, 12:26–13:14 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35032 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Qingyang, 1986: Monday 14 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": "1986-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-14", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pañcamī 1986 falls on Monday 14 April. Pañcamī runs from 22:58 on Sun 13 Apr to 01:32 on Tue 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/lakshmi-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18867, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-04-17T05:49:02+08:00", "utc": "1986-04-16T21:49:02Z", "ms": 514072142442.09717 }, "end": { "local": "1986-04-18T07:10:44+08:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-17T05:49:02+08:00", "utc": "1986-04-16T21:49:02Z", "ms": 514072142442.09717 }, "end": { "local": "1986-04-18T07:10:44+08:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-17", "window": { "start": { "local": "1986-04-17T12:25:24+08:00", "utc": "1986-04-17T04:25:24Z", "ms": 514095924304.70386 }, "end": { "local": "1986-04-17T13:13:24+08:00", "utc": "1986-04-17T05:13:24Z", "ms": 514098804304.70386 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-18", "window": { "start": { "local": "1986-04-18T12:25:10+08:00", "utc": "1986-04-18T04:25:10Z", "ms": 514182310444.65466 }, "end": { "local": "1986-04-18T13:13:10+08:00", "utc": "1986-04-18T05:13:10Z", "ms": 514185190444.65466 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:49 on Thu 17 Apr to 07:11 on Fri 18 Apr.", "fact": "1986-04-16T21:49:02Z → 1986-04-17T23:10:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 17th, 12:25–13:13 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18867 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Qingyang, 1986: Thursday 17 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": "1986-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-17", "confidence": "determinate" } ], "quote": "In Qingyang, Bhavānī Utpatti 1986 falls on Thursday 17 April. Aṣṭamī runs from 05:49 on Thu 17 Apr to 07:11 on Fri 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/bhavani-utpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16511, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-04-18T07:10:44+08:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "end": { "local": "1986-04-19T07:49:46+08:00", "utc": "1986-04-18T23:49:46Z", "ms": 514252186442.9129 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-18T07:10:44+08:00", "utc": "1986-04-17T23:10:44Z", "ms": 514163443840.3661 }, "end": { "local": "1986-04-19T07:49:46+08:00", "utc": "1986-04-18T23:49:46Z", "ms": 514252186442.9129 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-18", "window": { "start": { "local": "1986-04-18T12:25:10+08:00", "utc": "1986-04-18T04:25:10Z", "ms": 514182310444.65466 }, "end": { "local": "1986-04-18T13:13:10+08:00", "utc": "1986-04-18T05:13:10Z", "ms": 514185190444.65466 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-19", "window": { "start": { "local": "1986-04-19T12:24:57+08:00", "utc": "1986-04-19T04:24:57Z", "ms": 514268696954.5099 }, "end": { "local": "1986-04-19T13:12:57+08:00", "utc": "1986-04-19T05:12:57Z", "ms": 514271576954.5099 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:11 on Fri 18 Apr to 07:50 on Sat 19 Apr.", "fact": "1986-04-17T23:10:44Z → 1986-04-18T23:49:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 18th, 12:25–13:13 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16511 s" }, { "step": "ruling", "text": "Rāma Navamī, Qingyang, 1986: Friday 18 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": "1986-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-18", "confidence": "determinate" } ], "quote": "In Qingyang, Rāma Navamī 1986 falls on Friday 18 April. Navamī runs from 07:11 on Fri 18 Apr to 07:50 on Sat 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rama-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-04-21", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2205, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-04-20T07:42:00+08:00", "utc": "1986-04-19T23:42:00Z", "ms": 514338119586.82025 }, "end": { "local": "1986-04-21T06:46:57+08:00", "utc": "1986-04-20T22:46:57Z", "ms": 514421216643.5308 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-20T07:42:00+08:00", "utc": "1986-04-19T23:42:00Z", "ms": 514338119586.82025 }, "end": { "local": "1986-04-21T06:46:57+08:00", "utc": "1986-04-20T22:46:57Z", "ms": 514421216643.5308 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-04-20", "window": { "start": { "local": "1986-04-20T06:11:27+08:00", "utc": "1986-04-19T22:11:27Z", "ms": 514332686950.07043 }, "end": { "local": "1986-04-20T06:11:27+08:00", "utc": "1986-04-19T22:11:27Z", "ms": 514332686950.07043 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-04-21", "window": { "start": { "local": "1986-04-21T06:10:12+08:00", "utc": "1986-04-20T22:10:12Z", "ms": 514419011507.2481 }, "end": { "local": "1986-04-21T06:10:12+08:00", "utc": "1986-04-20T22:10:12Z", "ms": 514419011507.2481 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:42 on Sun 20 Apr to 06:47 on Mon 21 Apr.", "fact": "1986-04-19T23:42:00Z → 1986-04-20T22:46:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 20th and 06:10 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2205 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Qingyang, 1986: Monday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-21", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmadā Ekādaśī 1986 falls on Monday 21 April. Ekādaśī runs from 07:42 on Sun 20 Apr to 06:47 on Mon 21 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26208, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-22T05:07:30+08:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-22T05:07:30+08:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-22", "window": { "start": { "local": "1986-04-22T12:24:19+08:00", "utc": "1986-04-22T04:24:19Z", "ms": 514527858847.43243 }, "end": { "local": "1986-04-22T13:12:19+08:00", "utc": "1986-04-22T05:12:19Z", "ms": 514530738847.43243 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-23", "window": { "start": { "local": "1986-04-23T12:24:07+08:00", "utc": "1986-04-23T04:24:07Z", "ms": 514614246983.28516 }, "end": { "local": "1986-04-23T13:12:07+08:00", "utc": "1986-04-23T05:12:07Z", "ms": 514617126983.28516 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:08 on Tue 22 Apr to 02:49 on Wed 23 Apr.", "fact": "1986-04-21T21:07:30Z → 1986-04-22T18:49:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 22nd, 12:24–13:12 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26208 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Qingyang, 1986: Tuesday 22 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": "1986-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-22", "confidence": "determinate" } ], "quote": "In Qingyang, Anaṅga Trayodaśī 1986 falls on Tuesday 22 April. Trayodaśī runs from 05:08 on Tue 22 Apr to 02:49 on Wed 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/ananga-trayodashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-04-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21369, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-04-22T05:07:30+08:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-22T05:07:30+08:00", "utc": "1986-04-21T21:07:30Z", "ms": 514501650382.94305 }, "end": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-04-21", "window": { "start": { "local": "1986-04-21T19:26:51+08:00", "utc": "1986-04-21T11:26:51Z", "ms": 514466810774.8439 }, "end": { "local": "1986-04-21T20:52:28+08:00", "utc": "1986-04-21T12:52:28Z", "ms": 514471947586.02936 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1986-04-22", "window": { "start": { "local": "1986-04-22T19:27:41+08:00", "utc": "1986-04-22T11:27:41Z", "ms": 514553260836.1298 }, "end": { "local": "1986-04-22T20:53:01+08:00", "utc": "1986-04-22T12:53:01Z", "ms": 514558381129.2903 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:08 on Tue 22 Apr to 02:49 on Wed 23 Apr.", "fact": "1986-04-21T21:07:30Z → 1986-04-22T18:49:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:52 on the 21st, 19:28–20:53 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 21st and 85 of 85 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 21369 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Tuesday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-22", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Tuesday 22 April. Trayodaśī runs from 05:08 on Tue 22 Apr to 02:49 on Wed 23 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34497, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "end": { "local": "1986-04-23T23:59:17+08:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-23T02:49:10+08:00", "utc": "1986-04-22T18:49:10Z", "ms": 514579750481.5299 }, "end": { "local": "1986-04-23T23:59:17+08:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-23", "window": { "start": { "local": "1986-04-23T12:24:07+08:00", "utc": "1986-04-23T04:24:07Z", "ms": 514614246983.28516 }, "end": { "local": "1986-04-23T13:12:07+08:00", "utc": "1986-04-23T05:12:07Z", "ms": 514617126983.28516 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-04-24", "window": { "start": { "local": "1986-04-24T12:23:56+08:00", "utc": "1986-04-24T04:23:56Z", "ms": 514700635564.6954 }, "end": { "local": "1986-04-24T13:11:56+08:00", "utc": "1986-04-24T05:11:56Z", "ms": 514703515564.6954 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:49 on Wed 23 Apr to 23:59 on Wed 23 Apr.", "fact": "1986-04-22T18:49:10Z → 1986-04-23T15:59:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 23rd, 12:24–13:12 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34497 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Qingyang, 1986: Wednesday 23 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": "1986-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-23", "confidence": "determinate" } ], "quote": "In Qingyang, Viṣṇudamanaka Caturdaśī 1986 falls on Wednesday 23 April. Caturdaśī runs from 02:49 on Wed 23 Apr to 23:59 on Wed 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vishnu-damanaka-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27266, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-04-23T23:59:17+08:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "end": { "local": "1986-04-24T20:46:22+08:00", "utc": "1986-04-24T12:46:22Z", "ms": 514730781703.555 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1986-04-23T23:59:17+08:00", "utc": "1986-04-23T15:59:17Z", "ms": 514655957433.34186 }, "end": { "local": "1986-04-24T20:46:22+08:00", "utc": "1986-04-24T12:46:22Z", "ms": 514730781703.555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-04-23", "window": { "start": { "local": "1986-04-23T12:24:07+08:00", "utc": "1986-04-23T04:24:07Z", "ms": 514614246983.28516 }, "end": { "local": "1986-04-23T13:12:07+08:00", "utc": "1986-04-23T05:12:07Z", "ms": 514617126983.28516 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-04-24", "window": { "start": { "local": "1986-04-24T12:23:56+08:00", "utc": "1986-04-24T04:23:56Z", "ms": 514700635564.6954 }, "end": { "local": "1986-04-24T13:11:56+08:00", "utc": "1986-04-24T05:11:56Z", "ms": 514703515564.6954 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:59 on Wed 23 Apr to 20:46 on Thu 24 Apr.", "fact": "1986-04-23T15:59:17Z → 1986-04-24T12:46:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 23rd, 12:24–13:12 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27266 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Qingyang, 1986: Thursday 24 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": "1986-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-24", "confidence": "determinate" } ], "quote": "In Qingyang, Caitrī Pūrṇimā 1986 falls on Thursday 24 April. Pūrṇimā runs from 23:59 on Wed 23 Apr to 20:46 on Thu 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/chaitri-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-04-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28367, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-04-27T10:21:21+08:00", "utc": "1986-04-27T02:21:21Z", "ms": 514952480930.77515 }, "end": { "local": "1986-04-28T07:08:01+08:00", "utc": "1986-04-27T23:08:01Z", "ms": 515027281137.45435 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-04-27T10:21:21+08:00", "utc": "1986-04-27T02:21:21Z", "ms": 514952480930.77515 }, "end": { "local": "1986-04-28T07:08:01+08:00", "utc": "1986-04-27T23:08:01Z", "ms": 515027281137.45435 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-04-26", "window": { "start": { "local": "1986-04-26T21:59:13+08:00", "utc": "1986-04-26T13:59:13Z", "ms": 514907953195.57025 }, "end": { "local": "1986-04-26T21:59:13+08:00", "utc": "1986-04-26T13:59:13Z", "ms": 514907953195.57025 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-04-27", "window": { "start": { "local": "1986-04-27T23:15:15+08:00", "utc": "1986-04-27T15:15:15Z", "ms": 514998914628.33105 }, "end": { "local": "1986-04-27T23:15:15+08:00", "utc": "1986-04-27T15:15:15Z", "ms": 514998914628.33105 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:21 on Sun 27 Apr to 07:08 on Mon 28 Apr.", "fact": "1986-04-27T02:21:21Z → 1986-04-27T23:08:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:59 on the 26th and 23:15 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28367 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Sunday 27 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": "1986-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-04-27", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Sunday 27 April. Caturthī runs from 10:21 on Sun 27 Apr to 07:08 on Mon 28 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-05-04", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24748, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-05-03T22:21:31+08:00", "utc": "1986-05-03T14:21:31Z", "ms": 515514090815.25916 }, "end": { "local": "1986-05-05T00:01:45+09:00", "utc": "1986-05-04T15:01:45Z", "ms": 515602904716.2385 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-03T22:21:31+08:00", "utc": "1986-05-03T14:21:31Z", "ms": 515514090815.25916 }, "end": { "local": "1986-05-05T00:01:45+09:00", "utc": "1986-05-04T15:01:45Z", "ms": 515602904716.2385 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-05-04", "window": { "start": { "local": "1986-05-04T06:55:14+09:00", "utc": "1986-05-03T21:55:14Z", "ms": 515541314153.7765 }, "end": { "local": "1986-05-04T06:55:14+09:00", "utc": "1986-05-03T21:55:14Z", "ms": 515541314153.7765 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-05-05", "window": { "start": { "local": "1986-05-05T06:54:13+09:00", "utc": "1986-05-04T21:54:13Z", "ms": 515627652588.6435 }, "end": { "local": "1986-05-05T06:54:13+09:00", "utc": "1986-05-04T21:54:13Z", "ms": 515627652588.6435 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:22 on Sat 3 May to 00:02 on Mon 5 May.", "fact": "1986-05-03T14:21:31Z → 1986-05-04T15:01:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:55 on the 4th and 06:54 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 24748 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Qingyang, 1986: Sunday 4 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": "1986-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-04", "confidence": "determinate" } ], "quote": "In Qingyang, Varūthinī Ekādaśī 1986 falls on Sunday 4 May. Ekādaśī runs from 22:22 on Sat 3 May to 00:02 on Mon 5 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-05-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11590, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-05-06T01:13:41+09:00", "utc": "1986-05-05T16:13:41Z", "ms": 515693620714.117 }, "end": { "local": "1986-05-07T02:52:29+09:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-06T01:13:41+09:00", "utc": "1986-05-05T16:13:41Z", "ms": 515693620714.117 }, "end": { "local": "1986-05-07T02:52:29+09:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-05", "window": { "start": { "local": "1986-05-05T20:38:34+09:00", "utc": "1986-05-05T11:38:34Z", "ms": 515677114018.6778 }, "end": { "local": "1986-05-05T22:00:31+09:00", "utc": "1986-05-05T13:00:31Z", "ms": 515682031113.1828 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1986-05-06", "window": { "start": { "local": "1986-05-06T20:39:24+09:00", "utc": "1986-05-06T11:39:24Z", "ms": 515763564145.74896 }, "end": { "local": "1986-05-06T22:01:07+09:00", "utc": "1986-05-06T13:01:07Z", "ms": 515768466672.27313 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:14 on Tue 6 May to 02:52 on Wed 7 May.", "fact": "1986-05-05T16:13:41Z → 1986-05-06T17:52:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:39–22:01 on the 5th, 20:39–22:01 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 82 minutes on the 5th and 82 of 82 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 11590 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Tuesday 6 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-06", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Tuesday 6 May. Trayodaśī runs from 01:14 on Tue 6 May to 02:52 on Wed 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-05-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2560, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-05-07T02:52:29+09:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "end": { "local": "1986-05-08T04:52:55+09:00", "utc": "1986-05-07T19:52:55Z", "ms": 515879575008.7445 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-07T02:52:29+09:00", "utc": "1986-05-06T17:52:29Z", "ms": 515785948893.7336 }, "end": { "local": "1986-05-08T04:52:55+09:00", "utc": "1986-05-07T19:52:55Z", "ms": 515879575008.7445 } }, "kaala": "nishita", "days": [ { "local_date": "1986-05-06", "window": { "start": { "local": "1986-05-07T01:21:49+09:00", "utc": "1986-05-06T16:21:49Z", "ms": 515780508620.2146 }, "end": { "local": "1986-05-07T02:09:49+09:00", "utc": "1986-05-06T17:09:49Z", "ms": 515783388620.2146 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-07", "window": { "start": { "local": "1986-05-08T01:21:45+09:00", "utc": "1986-05-07T16:21:45Z", "ms": 515866904693.52014 }, "end": { "local": "1986-05-08T02:09:45+09:00", "utc": "1986-05-07T17:09:45Z", "ms": 515869784693.52014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:52 on Wed 7 May to 04:53 on Thu 8 May.", "fact": "1986-05-06T17:52:29Z → 1986-05-07T19:52:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:22–02:10 on the 6th, 01:22–02:10 on the 7th.", "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 6th and 48 of 48 on the 7th.", "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 2560 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Wednesday 7 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": "1986-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-07", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Wednesday 7 May. Caturdaśī runs from 02:52 on Wed 7 May to 04:53 on Thu 8 May and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21890, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-05-11T12:09:11+09:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-11T12:09:11+09:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-11", "window": { "start": { "local": "1986-05-11T20:43:33+09:00", "utc": "1986-05-11T11:43:33Z", "ms": 516195812806.2868 }, "end": { "local": "1986-05-11T22:04:05+09:00", "utc": "1986-05-11T13:04:05Z", "ms": 516200645321.57556 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "1986-05-12", "window": { "start": { "local": "1986-05-12T20:44:22+09:00", "utc": "1986-05-12T11:44:22Z", "ms": 516282261966.5594 }, "end": { "local": "1986-05-12T22:04:41+09:00", "utc": "1986-05-12T13:04:41Z", "ms": 516287081089.8104 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:09 on Sun 11 May to 14:40 on Mon 12 May.", "fact": "1986-05-11T03:09:11Z → 1986-05-12T05:39:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:44–22:04 on the 11th, 20:44–22:05 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 81 of 81 minutes on the 11th and 0 of 80 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 21890 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Qingyang, 1986: Sunday 11 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": "1986-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-11", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Jayantī 1986 falls on Sunday 11 May. Tṛtīyā runs from 12:09 on Sun 11 May to 14:40 on Mon 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/parashurama-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2541, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-05-11T12:09:11+09:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-11T12:09:11+09:00", "utc": "1986-05-11T03:09:11Z", "ms": 516164951374.12177 }, "end": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-05-11", "window": { "start": { "local": "1986-05-11T06:48:29+09:00", "utc": "1986-05-10T21:48:29Z", "ms": 516145709314.9748 }, "end": { "local": "1986-05-11T11:26:50+09:00", "utc": "1986-05-11T02:26:50Z", "ms": 516162410478.7455 } }, "covered_min": 0, "window_min": 278, "qualifies": false }, { "local_date": "1986-05-12", "window": { "start": { "local": "1986-05-12T06:47:37+09:00", "utc": "1986-05-11T21:47:37Z", "ms": 516232056670.9525 }, "end": { "local": "1986-05-12T11:26:32+09:00", "utc": "1986-05-12T02:26:32Z", "ms": 516248791769.48816 } }, "covered_min": 279, "window_min": 279, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:09 on Sun 11 May to 14:40 on Mon 12 May.", "fact": "1986-05-11T03:09:11Z → 1986-05-12T05:39:32Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:48–11:27 on the 11th, 06:48–11:27 on the 12th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 278 minutes on the 11th and 279 of 279 on the 12th.", "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 2541 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Qingyang, 1986: Monday 12 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": "1986-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-12", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Tṛtīyā 1986 falls on Monday 12 May. Tṛtīyā runs from 12:09 on Sun 11 May to 14:40 on Mon 12 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/akshaya-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-05-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1772, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "end": { "local": "1986-05-13T17:00:29+09:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-12T14:39:32+09:00", "utc": "1986-05-12T05:39:32Z", "ms": 516260371638.20984 }, "end": { "local": "1986-05-13T17:00:29+09:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-12", "window": { "start": { "local": "1986-05-12T13:21:59+09:00", "utc": "1986-05-12T04:21:59Z", "ms": 516255719318.756 }, "end": { "local": "1986-05-12T14:09:59+09:00", "utc": "1986-05-12T05:09:59Z", "ms": 516258599318.756 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-13", "window": { "start": { "local": "1986-05-13T13:21:58+09:00", "utc": "1986-05-13T04:21:58Z", "ms": 516342118131.8809 }, "end": { "local": "1986-05-13T14:09:58+09:00", "utc": "1986-05-13T05:09:58Z", "ms": 516344998131.8809 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:40 on Mon 12 May to 17:00 on Tue 13 May.", "fact": "1986-05-12T05:39:32Z → 1986-05-13T08:00:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 12th, 13:22–14:10 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1772 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Tuesday 13 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": "1986-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-13", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Tuesday 13 May. Caturthī runs from 14:40 on Mon 12 May to 17:00 on Tue 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10231, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-05-13T17:00:29+09:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "end": { "local": "1986-05-14T19:03:44+09:00", "utc": "1986-05-14T10:03:44Z", "ms": 516449024308.0617 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-13T17:00:29+09:00", "utc": "1986-05-13T08:00:29Z", "ms": 516355229036.82697 }, "end": { "local": "1986-05-14T19:03:44+09:00", "utc": "1986-05-14T10:03:44Z", "ms": 516449024308.0617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-13", "window": { "start": { "local": "1986-05-13T13:21:58+09:00", "utc": "1986-05-13T04:21:58Z", "ms": 516342118131.8809 }, "end": { "local": "1986-05-13T14:09:58+09:00", "utc": "1986-05-13T05:09:58Z", "ms": 516344998131.8809 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-14", "window": { "start": { "local": "1986-05-14T13:21:57+09:00", "utc": "1986-05-14T04:21:57Z", "ms": 516428517496.2361 }, "end": { "local": "1986-05-14T14:09:57+09:00", "utc": "1986-05-14T05:09:57Z", "ms": 516431397496.2361 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:00 on Tue 13 May to 19:04 on Wed 14 May.", "fact": "1986-05-13T08:00:29Z → 1986-05-14T10:03:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 13th, 13:22–14:10 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10231 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Qingyang, 1986: Wednesday 14 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": "1986-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-14", "confidence": "determinate" } ], "quote": "In Qingyang, Śaṅkara Jayantī 1986 falls on Wednesday 14 May. Pañcamī runs from 17:00 on Tue 13 May to 19:04 on Wed 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/shankara-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23444, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-05-15T20:40:42+09:00", "utc": "1986-05-15T11:40:42Z", "ms": 516541241590.79297 }, "end": { "local": "1986-05-16T21:43:20+09:00", "utc": "1986-05-16T12:43:20Z", "ms": 516631399710.1787 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-15T20:40:42+09:00", "utc": "1986-05-15T11:40:42Z", "ms": 516541241590.79297 }, "end": { "local": "1986-05-16T21:43:20+09:00", "utc": "1986-05-16T12:43:20Z", "ms": 516631399710.1787 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-15", "window": { "start": { "local": "1986-05-15T13:21:57+09:00", "utc": "1986-05-15T04:21:57Z", "ms": 516514917407.5974 }, "end": { "local": "1986-05-15T14:09:57+09:00", "utc": "1986-05-15T05:09:57Z", "ms": 516517797407.5974 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-16", "window": { "start": { "local": "1986-05-16T13:21:58+09:00", "utc": "1986-05-16T04:21:58Z", "ms": 516601317861.3612 }, "end": { "local": "1986-05-16T14:09:58+09:00", "utc": "1986-05-16T05:09:58Z", "ms": 516604197861.3612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:41 on Thu 15 May to 21:43 on Fri 16 May.", "fact": "1986-05-15T11:40:42Z → 1986-05-16T12:43:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 15th, 13:22–14:10 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23444 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Qingyang, 1986: Friday 16 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": "1986-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-16", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṅgotpatti (Ganga Saptami) 1986 falls on Friday 16 May. Saptamī runs from 20:41 on Thu 15 May to 21:43 on Fri 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/gangotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-05-20", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36488, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-05-19T20:33:19+09:00", "utc": "1986-05-19T11:33:19Z", "ms": 516886398837.7641 }, "end": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-19T20:33:19+09:00", "utc": "1986-05-19T11:33:19Z", "ms": 516886398837.7641 }, "end": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T06:41:26+09:00", "utc": "1986-05-19T21:41:26Z", "ms": 516922886365.6006 }, "end": { "local": "1986-05-20T06:41:26+09:00", "utc": "1986-05-19T21:41:26Z", "ms": 516922886365.6006 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T06:40:47+09:00", "utc": "1986-05-20T21:40:47Z", "ms": 517009246735.379 }, "end": { "local": "1986-05-21T06:40:47+09:00", "utc": "1986-05-20T21:40:47Z", "ms": 517009246735.379 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:33 on Mon 19 May to 18:40 on Tue 20 May.", "fact": "1986-05-19T11:33:19Z → 1986-05-20T09:40:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 20th and 06:41 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36488 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Qingyang, 1986: Tuesday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-20", "confidence": "determinate" } ], "quote": "In Qingyang, Mohinī Ekādaśī 1986 falls on Tuesday 20 May. Ekādaśī runs from 20:33 on Mon 19 May to 18:40 on Tue 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7037, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T13:22:05+09:00", "utc": "1986-05-20T04:22:05Z", "ms": 516946925001.5703 }, "end": { "local": "1986-05-20T14:10:05+09:00", "utc": "1986-05-20T05:10:05Z", "ms": 516949805001.5703 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T13:22:08+09:00", "utc": "1986-05-21T04:22:08Z", "ms": 517033328093.91187 }, "end": { "local": "1986-05-21T14:10:08+09:00", "utc": "1986-05-21T05:10:08Z", "ms": 517036208093.91187 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:40 on Tue 20 May to 16:07 on Wed 21 May.", "fact": "1986-05-20T09:40:13Z → 1986-05-21T07:07:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 20th, 13:22–14:10 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7037 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Qingyang, 1986: Wednesday 21 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": "1986-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-21", "confidence": "determinate" } ], "quote": "In Qingyang, Paraśurāma Dvādaśī 1986 falls on Wednesday 21 May. Dvādaśī runs from 18:40 on Tue 20 May to 16:07 on Wed 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/parashurama-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7037, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-20T18:40:13+09:00", "utc": "1986-05-20T09:40:13Z", "ms": 516966013332.9299 }, "end": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-20", "window": { "start": { "local": "1986-05-20T13:22:05+09:00", "utc": "1986-05-20T04:22:05Z", "ms": 516946925001.5703 }, "end": { "local": "1986-05-20T14:10:05+09:00", "utc": "1986-05-20T05:10:05Z", "ms": 516949805001.5703 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T13:22:08+09:00", "utc": "1986-05-21T04:22:08Z", "ms": 517033328093.91187 }, "end": { "local": "1986-05-21T14:10:08+09:00", "utc": "1986-05-21T05:10:08Z", "ms": 517036208093.91187 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:40 on Tue 20 May to 16:07 on Wed 21 May.", "fact": "1986-05-20T09:40:13Z → 1986-05-21T07:07:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 20th, 13:22–14:10 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7037 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Qingyang, 1986: Wednesday 21 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": "1986-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-21", "confidence": "determinate" } ], "quote": "In Qingyang, Rukmiṇī Dvādaśī 1986 falls on Wednesday 21 May. Dvādaśī runs from 18:40 on Tue 20 May to 16:07 on Wed 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rukmini-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-05-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17044, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "end": { "local": "1986-05-22T13:01:32+09:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-21T16:07:25+09:00", "utc": "1986-05-21T07:07:25Z", "ms": 517043245134.4697 }, "end": { "local": "1986-05-22T13:01:32+09:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-21", "window": { "start": { "local": "1986-05-21T20:51:29+09:00", "utc": "1986-05-21T11:51:29Z", "ms": 517060289452.44464 }, "end": { "local": "1986-05-21T22:09:59+09:00", "utc": "1986-05-21T13:09:59Z", "ms": 517064998678.69556 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1986-05-22", "window": { "start": { "local": "1986-05-22T20:52:15+09:00", "utc": "1986-05-22T11:52:15Z", "ms": 517146734752.0792 }, "end": { "local": "1986-05-22T22:10:33+09:00", "utc": "1986-05-22T13:10:33Z", "ms": 517151433068.60486 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:07 on Wed 21 May to 13:02 on Thu 22 May.", "fact": "1986-05-21T07:07:25Z → 1986-05-22T04:01:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:51–22:10 on the 21st, 20:52–22:11 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 78 of 78 minutes on the 21st and 0 of 78 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 17044 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Wednesday 21 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": "1986-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-21", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Wednesday 21 May. Trayodaśī runs from 16:07 on Wed 21 May to 13:02 on Thu 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28243, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-05-22T13:01:32+09:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "end": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-22T13:01:32+09:00", "utc": "1986-05-22T04:01:32Z", "ms": 517118492106.86633 }, "end": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-05-22", "window": { "start": { "local": "1986-05-22T20:52:15+09:00", "utc": "1986-05-22T11:52:15Z", "ms": 517146734752.0792 }, "end": { "local": "1986-05-22T22:10:33+09:00", "utc": "1986-05-22T13:10:33Z", "ms": 517151433068.60486 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1986-05-23", "window": { "start": { "local": "1986-05-23T20:53:00+09:00", "utc": "1986-05-23T11:53:00Z", "ms": 517233179510.4387 }, "end": { "local": "1986-05-23T22:11:07+09:00", "utc": "1986-05-23T13:11:07Z", "ms": 517237867200.2107 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:02 on Thu 22 May to 09:31 on Fri 23 May.", "fact": "1986-05-22T04:01:32Z → 1986-05-23T00:30:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:52–22:11 on the 22nd, 20:53–22:11 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 78 of 78 minutes on the 22nd and 0 of 78 on the 23rd.", "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 28243 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Qingyang, 1986: Thursday 22 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": "1986-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-22", "confidence": "determinate" } ], "quote": "In Qingyang, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1986 falls on Thursday 22 May. Caturdaśī runs from 13:02 on Thu 22 May to 09:31 on Fri 23 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/nrisimha-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13886, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-24T05:44:44+09:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-24T05:44:44+09:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-23", "window": { "start": { "local": "1986-05-23T13:22:16+09:00", "utc": "1986-05-23T04:22:16Z", "ms": 517206135818.2301 }, "end": { "local": "1986-05-23T14:10:16+09:00", "utc": "1986-05-23T05:10:16Z", "ms": 517209015818.2301 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-24", "window": { "start": { "local": "1986-05-24T13:22:20+09:00", "utc": "1986-05-24T04:22:20Z", "ms": 517292540442.64685 }, "end": { "local": "1986-05-24T14:10:20+09:00", "utc": "1986-05-24T05:10:20Z", "ms": 517295420442.64685 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:31 on Fri 23 May to 05:45 on Sat 24 May.", "fact": "1986-05-23T00:30:50Z → 1986-05-23T20:44:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 23rd, 13:22–14:10 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13886 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Qingyang, 1986: Friday 23 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": "1986-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Buddha Pūrṇimā 1986 falls on Friday 23 May. Pūrṇimā runs from 09:31 on Fri 23 May to 05:45 on Sat 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/buddha-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13886, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-24T05:44:44+09:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-23T09:30:50+09:00", "utc": "1986-05-23T00:30:50Z", "ms": 517192250295.0706 }, "end": { "local": "1986-05-24T05:44:44+09:00", "utc": "1986-05-23T20:44:44Z", "ms": 517265084067.2855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-05-23", "window": { "start": { "local": "1986-05-23T13:22:16+09:00", "utc": "1986-05-23T04:22:16Z", "ms": 517206135818.2301 }, "end": { "local": "1986-05-23T14:10:16+09:00", "utc": "1986-05-23T05:10:16Z", "ms": 517209015818.2301 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-05-24", "window": { "start": { "local": "1986-05-24T13:22:20+09:00", "utc": "1986-05-24T04:22:20Z", "ms": 517292540442.64685 }, "end": { "local": "1986-05-24T14:10:20+09:00", "utc": "1986-05-24T05:10:20Z", "ms": 517295420442.64685 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:31 on Fri 23 May to 05:45 on Sat 24 May.", "fact": "1986-05-23T00:30:50Z → 1986-05-23T20:44:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 23rd, 13:22–14:10 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13886 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Qingyang, 1986: Friday 23 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": "1986-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-23", "confidence": "determinate" } ], "quote": "In Qingyang, Sampat Gaurī Vrata 1986 falls on Friday 23 May. Pūrṇimā runs from 09:31 on Fri 23 May to 05:45 on Sat 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/sampat-gauri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-05-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20002, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-05-26T18:36:24+09:00", "utc": "1986-05-26T09:36:24Z", "ms": 517484184399.5019 }, "end": { "local": "1986-05-27T15:31:11+09:00", "utc": "1986-05-27T06:31:11Z", "ms": 517559470673.63153 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-05-26T18:36:24+09:00", "utc": "1986-05-26T09:36:24Z", "ms": 517484184399.5019 }, "end": { "local": "1986-05-27T15:31:11+09:00", "utc": "1986-05-27T06:31:11Z", "ms": 517559470673.63153 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-05-26", "window": { "start": { "local": "1986-05-27T00:09:46+09:00", "utc": "1986-05-26T15:09:46Z", "ms": 517504186216.21405 }, "end": { "local": "1986-05-27T00:09:46+09:00", "utc": "1986-05-26T15:09:46Z", "ms": 517504186216.21405 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-05-27", "window": { "start": { "local": "1986-05-28T01:03:18+09:00", "utc": "1986-05-27T16:03:18Z", "ms": 517593797926.7676 }, "end": { "local": "1986-05-28T01:03:18+09:00", "utc": "1986-05-27T16:03:18Z", "ms": 517593797926.7676 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:36 on Mon 26 May to 15:31 on Tue 27 May.", "fact": "1986-05-26T09:36:24Z → 1986-05-27T06:31:11Z" }, { "step": "kaala", "text": "Moonrise is at 00:10 on the 26th and 01:03 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20002 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Monday 26 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": "1986-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-05-26", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Monday 26 May. Caturthī runs from 18:36 on Mon 26 May to 15:31 on Tue 27 May and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-06-03", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18109, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-06-02T11:36:45+09:00", "utc": "1986-06-02T02:36:45Z", "ms": 518063805492.0132 }, "end": { "local": "1986-06-03T13:22:39+09:00", "utc": "1986-06-03T04:22:39Z", "ms": 518156558689.977 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-02T11:36:45+09:00", "utc": "1986-06-02T02:36:45Z", "ms": 518063805492.0132 }, "end": { "local": "1986-06-03T13:22:39+09:00", "utc": "1986-06-03T04:22:39Z", "ms": 518156558689.977 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-06-02", "window": { "start": { "local": "1986-06-02T06:34:57+09:00", "utc": "1986-06-01T21:34:57Z", "ms": 518045696523.0568 }, "end": { "local": "1986-06-02T06:34:57+09:00", "utc": "1986-06-01T21:34:57Z", "ms": 518045696523.0568 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-06-03", "window": { "start": { "local": "1986-06-03T06:34:38+09:00", "utc": "1986-06-02T21:34:38Z", "ms": 518132078198.51556 }, "end": { "local": "1986-06-03T06:34:38+09:00", "utc": "1986-06-02T21:34:38Z", "ms": 518132078198.51556 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:37 on Mon 2 Jun to 13:23 on Tue 3 Jun.", "fact": "1986-06-02T02:36:45Z → 1986-06-03T04:22:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 2nd and 06:35 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18109 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Qingyang, 1986: Tuesday 3 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-03", "confidence": "determinate" } ], "quote": "In Qingyang, Aparā Ekādaśī 1986 falls on Tuesday 3 June. Ekādaśī runs from 11:37 on Mon 2 Jun to 13:23 on Tue 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-06-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11027, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-06-04T15:32:47+09:00", "utc": "1986-06-04T06:32:47Z", "ms": 518250767225.83966 }, "end": { "local": "1986-06-05T17:57:52+09:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-04T15:32:47+09:00", "utc": "1986-06-04T06:32:47Z", "ms": 518250767225.83966 }, "end": { "local": "1986-06-05T17:57:52+09:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-04", "window": { "start": { "local": "1986-06-04T21:01:03+09:00", "utc": "1986-06-04T12:01:03Z", "ms": 518270463430.16156 }, "end": { "local": "1986-06-04T22:17:28+09:00", "utc": "1986-06-04T13:17:28Z", "ms": 518275047860.78503 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1986-06-05", "window": { "start": { "local": "1986-06-05T21:01:38+09:00", "utc": "1986-06-05T12:01:38Z", "ms": 518356898245.9882 }, "end": { "local": "1986-06-05T22:17:56+09:00", "utc": "1986-06-05T13:17:56Z", "ms": 518361476272.2448 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:33 on Wed 4 Jun to 17:58 on Thu 5 Jun.", "fact": "1986-06-04T06:32:47Z → 1986-06-05T08:57:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:01–22:17 on the 4th, 21:02–22:18 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 76 of 76 minutes on the 4th and 0 of 76 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 11027 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Wednesday 4 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": "1986-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Wednesday 4 June. Trayodaśī runs from 15:33 on Wed 4 Jun to 17:58 on Thu 5 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-06-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17672, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-06-05T17:57:52+09:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "end": { "local": "1986-06-06T20:29:25+09:00", "utc": "1986-06-06T11:29:25Z", "ms": 518441365039.29834 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-05T17:57:52+09:00", "utc": "1986-06-05T08:57:52Z", "ms": 518345871603.38196 }, "end": { "local": "1986-06-06T20:29:25+09:00", "utc": "1986-06-06T11:29:25Z", "ms": 518441365039.29834 } }, "kaala": "nishita", "days": [ { "local_date": "1986-06-05", "window": { "start": { "local": "1986-06-06T01:23:46+09:00", "utc": "1986-06-05T16:23:46Z", "ms": 518372625844.45044 }, "end": { "local": "1986-06-06T02:11:46+09:00", "utc": "1986-06-05T17:11:46Z", "ms": 518375505844.45044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-06-06", "window": { "start": { "local": "1986-06-07T01:23:57+09:00", "utc": "1986-06-06T16:23:57Z", "ms": 518459036977.53394 }, "end": { "local": "1986-06-07T02:11:57+09:00", "utc": "1986-06-06T17:11:57Z", "ms": 518461916977.53394 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:58 on Thu 5 Jun to 20:29 on Fri 6 Jun.", "fact": "1986-06-05T08:57:52Z → 1986-06-06T11:29:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:24–02:12 on the 5th, 01:24–02:12 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17672 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Thursday 5 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": "1986-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Thursday 5 June. Caturdaśī runs from 17:58 on Thu 5 Jun to 20:29 on Fri 6 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28114, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-06-10T03:38:35+09:00", "utc": "1986-06-09T18:38:35Z", "ms": 518726315361.74066 }, "end": { "local": "1986-06-11T05:36:25+09:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-10T03:38:35+09:00", "utc": "1986-06-09T18:38:35Z", "ms": 518726315361.74066 }, "end": { "local": "1986-06-11T05:36:25+09:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-10", "window": { "start": { "local": "1986-06-10T13:24:47+09:00", "utc": "1986-06-10T04:24:47Z", "ms": 518761486780.6155 }, "end": { "local": "1986-06-10T14:12:47+09:00", "utc": "1986-06-10T05:12:47Z", "ms": 518764366780.6155 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-06-11", "window": { "start": { "local": "1986-06-11T13:24:58+09:00", "utc": "1986-06-11T04:24:58Z", "ms": 518847898399.1969 }, "end": { "local": "1986-06-11T14:12:58+09:00", "utc": "1986-06-11T05:12:58Z", "ms": 518850778399.1969 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:39 on Tue 10 Jun to 05:36 on Wed 11 Jun.", "fact": "1986-06-09T18:38:35Z → 1986-06-10T20:36:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 10th, 13:25–14:13 on the 11th.", "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 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 28114 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Qingyang, 1986: Tuesday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-10", "confidence": "determinate" } ], "quote": "In Qingyang, Rambhā Tṛtīyā 1986 falls on Tuesday 10 June. Tṛtīyā runs from 03:39 on Tue 10 Jun to 05:36 on Wed 11 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rambha-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-06-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22283, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-06-11T05:36:25+09:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "end": { "local": "1986-06-12T07:13:47+09:00", "utc": "1986-06-11T22:13:47Z", "ms": 518912027067.99835 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-11T05:36:25+09:00", "utc": "1986-06-10T20:36:25Z", "ms": 518819784625.00916 }, "end": { "local": "1986-06-12T07:13:47+09:00", "utc": "1986-06-11T22:13:47Z", "ms": 518912027067.99835 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-11", "window": { "start": { "local": "1986-06-11T13:24:58+09:00", "utc": "1986-06-11T04:24:58Z", "ms": 518847898399.1969 }, "end": { "local": "1986-06-11T14:12:58+09:00", "utc": "1986-06-11T05:12:58Z", "ms": 518850778399.1969 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-06-12", "window": { "start": { "local": "1986-06-12T13:25:10+09:00", "utc": "1986-06-12T04:25:10Z", "ms": 518934310212.266 }, "end": { "local": "1986-06-12T14:13:10+09:00", "utc": "1986-06-12T05:13:10Z", "ms": 518937190212.266 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:36 on Wed 11 Jun to 07:14 on Thu 12 Jun.", "fact": "1986-06-10T20:36:25Z → 1986-06-11T22:13:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 11th, 13:25–14:13 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22283 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Wednesday 11 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": "1986-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-11", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Wednesday 11 June. Caturthī runs from 05:36 on Wed 11 Jun to 07:14 on Thu 12 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15542, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-06-13T08:25:35+09:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-14T09:06:33+09:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-13T08:25:35+09:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-14T09:06:33+09:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-13", "window": { "start": { "local": "1986-06-13T13:25:22+09:00", "utc": "1986-06-13T04:25:22Z", "ms": 519020722195.2493 }, "end": { "local": "1986-06-13T14:13:22+09:00", "utc": "1986-06-13T05:13:22Z", "ms": 519023602195.2493 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-06-14", "window": { "start": { "local": "1986-06-14T13:25:34+09:00", "utc": "1986-06-14T04:25:34Z", "ms": 519107134323.6834 }, "end": { "local": "1986-06-14T14:13:34+09:00", "utc": "1986-06-14T05:13:34Z", "ms": 519110014323.6834 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:26 on Fri 13 Jun to 09:07 on Sat 14 Jun.", "fact": "1986-06-12T23:25:35Z → 1986-06-14T00:06:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 13th, 13:26–14:14 on the 14th.", "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 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 15542 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Qingyang, 1986: Friday 13 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": "1986-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Araṇya Gaurī Vrata 1986 falls on Friday 13 June. Ṣaṣṭhī runs from 08:26 on Fri 13 Jun to 09:07 on Sat 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/aranya-gauri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15542, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-06-13T08:25:35+09:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-14T09:06:33+09:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-13T08:25:35+09:00", "utc": "1986-06-12T23:25:35Z", "ms": 519002735357.936 }, "end": { "local": "1986-06-14T09:06:33+09:00", "utc": "1986-06-14T00:06:33Z", "ms": 519091592748.0977 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-13", "window": { "start": { "local": "1986-06-13T13:25:22+09:00", "utc": "1986-06-13T04:25:22Z", "ms": 519020722195.2493 }, "end": { "local": "1986-06-13T14:13:22+09:00", "utc": "1986-06-13T05:13:22Z", "ms": 519023602195.2493 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-06-14", "window": { "start": { "local": "1986-06-14T13:25:34+09:00", "utc": "1986-06-14T04:25:34Z", "ms": 519107134323.6834 }, "end": { "local": "1986-06-14T14:13:34+09:00", "utc": "1986-06-14T05:13:34Z", "ms": 519110014323.6834 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:26 on Fri 13 Jun to 09:07 on Sat 14 Jun.", "fact": "1986-06-12T23:25:35Z → 1986-06-14T00:06:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:25–14:13 on the 13th, 13:26–14:14 on the 14th.", "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 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: purvaviddha → only-day · margin 15542 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Qingyang, 1986: Friday 13 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": "1986-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-13", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1986 falls on Friday 13 June. Ṣaṣṭhī runs from 08:26 on Fri 13 Jun to 09:07 on Sat 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/skanda-shashthi-jyaishtha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-06-18", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4015, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-06-18T05:26:30+09:00", "utc": "1986-06-17T20:26:30Z", "ms": 519423989822.69586 }, "end": { "local": "1986-06-19T02:53:11+09:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-18T05:26:30+09:00", "utc": "1986-06-17T20:26:30Z", "ms": 519423989822.69586 }, "end": { "local": "1986-06-19T02:53:11+09:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-06-18", "window": { "start": { "local": "1986-06-18T06:33:25+09:00", "utc": "1986-06-17T21:33:25Z", "ms": 519428004542.6682 }, "end": { "local": "1986-06-18T06:33:25+09:00", "utc": "1986-06-17T21:33:25Z", "ms": 519428004542.6682 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-06-19", "window": { "start": { "local": "1986-06-19T06:33:33+09:00", "utc": "1986-06-18T21:33:33Z", "ms": 519514412550.2312 }, "end": { "local": "1986-06-19T06:33:33+09:00", "utc": "1986-06-18T21:33:33Z", "ms": 519514412550.2312 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:26 on Wed 18 Jun to 02:53 on Thu 19 Jun.", "fact": "1986-06-17T20:26:30Z → 1986-06-18T17:53:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 18th and 06:34 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4015 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Qingyang, 1986: Wednesday 18 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": "1986-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-18", "confidence": "determinate" } ], "quote": "In Qingyang, Nirjalā Ekādaśī 1986 falls on Wednesday 18 June. Ekādaśī runs from 05:26 on Wed 18 Jun to 02:53 on Thu 19 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34395, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-06-19T02:53:11+09:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "end": { "local": "1986-06-19T23:47:51+09:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-19T02:53:11+09:00", "utc": "1986-06-18T17:53:11Z", "ms": 519501190555.82837 }, "end": { "local": "1986-06-19T23:47:51+09:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-06-18", "window": { "start": { "local": "1986-06-18T13:26:24+09:00", "utc": "1986-06-18T04:26:24Z", "ms": 519452783817.4542 }, "end": { "local": "1986-06-18T14:14:24+09:00", "utc": "1986-06-18T05:14:24Z", "ms": 519455663817.4542 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-06-19", "window": { "start": { "local": "1986-06-19T13:26:36+09:00", "utc": "1986-06-19T04:26:36Z", "ms": 519539196324.1366 }, "end": { "local": "1986-06-19T14:14:36+09:00", "utc": "1986-06-19T05:14:36Z", "ms": 519542076324.1366 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:53 on Thu 19 Jun to 23:48 on Thu 19 Jun.", "fact": "1986-06-18T17:53:11Z → 1986-06-19T14:47:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:26–14:14 on the 18th, 13:27–14:15 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34395 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Qingyang, 1986: Thursday 19 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": "1986-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śrī Rāma Dvādaśī 1986 falls on Thursday 19 June. Dvādaśī runs from 02:53 on Thu 19 Jun to 23:48 on Thu 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/shri-rama-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-06-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2996, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-06-19T23:47:51+09:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "end": { "local": "1986-06-20T20:17:59+09:00", "utc": "1986-06-20T11:17:59Z", "ms": 519650279435.26904 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-19T23:47:51+09:00", "utc": "1986-06-19T14:47:51Z", "ms": 519576471351.8442 }, "end": { "local": "1986-06-20T20:17:59+09:00", "utc": "1986-06-20T11:17:59Z", "ms": 519650279435.26904 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-19", "window": { "start": { "local": "1986-06-19T21:07:40+09:00", "utc": "1986-06-19T12:07:40Z", "ms": 519566860098.04205 }, "end": { "local": "1986-06-19T22:23:08+09:00", "utc": "1986-06-19T13:23:08Z", "ms": 519571388362.6716 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1986-06-20", "window": { "start": { "local": "1986-06-20T21:07:56+09:00", "utc": "1986-06-20T12:07:56Z", "ms": 519653275603.3141 }, "end": { "local": "1986-06-20T22:23:23+09:00", "utc": "1986-06-20T13:23:23Z", "ms": 519657803272.38654 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:48 on Thu 19 Jun to 20:18 on Fri 20 Jun.", "fact": "1986-06-19T14:47:51Z → 1986-06-20T11:17:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:08–22:23 on the 19th, 21:08–22:23 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 19th and 0 of 75 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2996 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Thursday 19 June.", "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": "1986-06-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-19", "confidence": "boundary" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Thursday 19 June. Trayodaśī runs from 23:48 on Thu 19 Jun to 20:18 on Fri 20 Jun, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16534, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-06-21T16:32:35+09:00", "utc": "1986-06-21T07:32:35Z", "ms": 519723155359.3483 }, "end": { "local": "1986-06-22T12:41:46+09:00", "utc": "1986-06-22T03:41:46Z", "ms": 519795706160.2564 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-21T16:32:35+09:00", "utc": "1986-06-21T07:32:35Z", "ms": 519723155359.3483 }, "end": { "local": "1986-06-22T12:41:46+09:00", "utc": "1986-06-22T03:41:46Z", "ms": 519795706160.2564 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-06-21", "window": { "start": { "local": "1986-06-21T21:08:10+09:00", "utc": "1986-06-21T12:08:10Z", "ms": 519739689589.41455 }, "end": { "local": "1986-06-21T22:23:37+09:00", "utc": "1986-06-21T13:23:37Z", "ms": 519744217063.75543 } }, "covered_min": 75, "window_min": 75, "qualifies": true }, { "local_date": "1986-06-22", "window": { "start": { "local": "1986-06-22T21:08:22+09:00", "utc": "1986-06-22T12:08:22Z", "ms": 519826102039.1176 }, "end": { "local": "1986-06-22T22:23:50+09:00", "utc": "1986-06-22T13:23:50Z", "ms": 519830629719.2992 } }, "covered_min": 0, "window_min": 75, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:33 on Sat 21 Jun to 12:42 on Sun 22 Jun.", "fact": "1986-06-21T07:32:35Z → 1986-06-22T03:41:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:08–22:24 on the 21st, 21:08–22:24 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 75 of 75 minutes on the 21st and 0 of 75 on the 22nd.", "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 16534 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Qingyang, 1986: Saturday 21 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": "1986-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vaṭa Sāvitrī Vrata 1986 falls on Saturday 21 June. Pūrṇimā runs from 16:33 on Sat 21 Jun to 12:42 on Sun 22 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/vata-savitri-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-06-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-06-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1019, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-06-25T02:25:21+09:00", "utc": "1986-06-24T17:25:21Z", "ms": 520017921115.0481 }, "end": { "local": "1986-06-26T00:00:22+09:00", "utc": "1986-06-25T15:00:22Z", "ms": 520095622478.4713 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-06-25T02:25:21+09:00", "utc": "1986-06-24T17:25:21Z", "ms": 520017921115.0481 }, "end": { "local": "1986-06-26T00:00:22+09:00", "utc": "1986-06-25T15:00:22Z", "ms": 520095622478.4713 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-06-24", "window": { "start": { "local": "1986-06-24T23:38:23+09:00", "utc": "1986-06-24T14:38:23Z", "ms": 520007903151.40173 }, "end": { "local": "1986-06-24T23:38:23+09:00", "utc": "1986-06-24T14:38:23Z", "ms": 520007903151.40173 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-06-25", "window": { "start": { "local": "1986-06-26T00:17:22+09:00", "utc": "1986-06-25T15:17:22Z", "ms": 520096641565.068 }, "end": { "local": "1986-06-26T00:17:22+09:00", "utc": "1986-06-25T15:17:22Z", "ms": 520096641565.068 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:25 on Wed 25 Jun to 00:00 on Thu 26 Jun.", "fact": "1986-06-24T17:25:21Z → 1986-06-25T15:00:22Z" }, { "step": "kaala", "text": "Moonrise is at 23:38 on the 24th and 00:17 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "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 1019 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Tuesday 24 June.", "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": "1986-06-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-06-24", "confidence": "boundary" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Tuesday 24 June. Caturthī runs from 02:25 on Wed 25 Jun to 00:00 on Thu 26 Jun, and is current at moonrise on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-07-02", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7664, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-02T02:04:44+09:00", "utc": "1986-07-01T17:04:44Z", "ms": 520621483972.7723 }, "end": { "local": "1986-07-03T04:30:11+09:00", "utc": "1986-07-02T19:30:11Z", "ms": 520716611293.2289 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-02T02:04:44+09:00", "utc": "1986-07-01T17:04:44Z", "ms": 520621483972.7723 }, "end": { "local": "1986-07-03T04:30:11+09:00", "utc": "1986-07-02T19:30:11Z", "ms": 520716611293.2289 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-07-02", "window": { "start": { "local": "1986-07-02T06:37:28+09:00", "utc": "1986-07-01T21:37:28Z", "ms": 520637847936.96063 }, "end": { "local": "1986-07-02T06:37:28+09:00", "utc": "1986-07-01T21:37:28Z", "ms": 520637847936.96063 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-07-03", "window": { "start": { "local": "1986-07-03T06:37:55+09:00", "utc": "1986-07-02T21:37:55Z", "ms": 520724275271.19574 }, "end": { "local": "1986-07-03T06:37:55+09:00", "utc": "1986-07-02T21:37:55Z", "ms": 520724275271.19574 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:05 on Wed 2 Jul to 04:30 on Thu 3 Jul.", "fact": "1986-07-01T17:04:44Z → 1986-07-02T19:30:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 2nd and 06:38 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 7664 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Qingyang, 1986: Wednesday 2 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": "1986-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-02", "confidence": "determinate" } ], "quote": "In Qingyang, Yoginī Ekādaśī 1986 falls on Wednesday 2 July. Ekādaśī runs from 02:05 on Wed 2 Jul to 04:30 on Thu 3 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-07-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31093, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-07-04T07:03:02+09:00", "utc": "1986-07-03T22:03:02Z", "ms": 520812181633.91565 }, "end": { "local": "1986-07-05T09:32:49+09:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-04T07:03:02+09:00", "utc": "1986-07-03T22:03:02Z", "ms": 520812181633.91565 }, "end": { "local": "1986-07-05T09:32:49+09:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-03", "window": { "start": { "local": "1986-07-03T21:08:53+09:00", "utc": "1986-07-03T12:08:53Z", "ms": 520776533014.6612 }, "end": { "local": "1986-07-03T22:24:49+09:00", "utc": "1986-07-03T13:24:49Z", "ms": 520781089114.646 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1986-07-04", "window": { "start": { "local": "1986-07-04T21:08:46+09:00", "utc": "1986-07-04T12:08:46Z", "ms": 520862925828.15344 }, "end": { "local": "1986-07-04T22:24:47+09:00", "utc": "1986-07-04T13:24:47Z", "ms": 520867486834.96704 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:03 on Fri 4 Jul to 09:33 on Sat 5 Jul.", "fact": "1986-07-03T22:03:02Z → 1986-07-05T00:32:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:09–22:25 on the 3rd, 21:09–22:25 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 76 minutes on the 3rd and 76 of 76 on the 4th.", "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 31093 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Friday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-04", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Friday 4 July. Trayodaśī runs from 07:03 on Fri 4 Jul to 09:33 on Sat 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-07-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26100, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-07-05T09:32:49+09:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "end": { "local": "1986-07-06T11:51:47+09:00", "utc": "1986-07-06T02:51:47Z", "ms": 521002307474.3559 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-05T09:32:49+09:00", "utc": "1986-07-05T00:32:49Z", "ms": 520907569435.53467 }, "end": { "local": "1986-07-06T11:51:47+09:00", "utc": "1986-07-06T02:51:47Z", "ms": 521002307474.3559 } }, "kaala": "nishita", "days": [ { "local_date": "1986-07-04", "window": { "start": { "local": "1986-07-05T01:29:50+09:00", "utc": "1986-07-04T16:29:50Z", "ms": 520878589603.7045 }, "end": { "local": "1986-07-05T02:17:50+09:00", "utc": "1986-07-04T17:17:50Z", "ms": 520881469603.7045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-05", "window": { "start": { "local": "1986-07-06T01:30:01+09:00", "utc": "1986-07-05T16:30:01Z", "ms": 520965000501.5871 }, "end": { "local": "1986-07-06T02:18:01+09:00", "utc": "1986-07-05T17:18:01Z", "ms": 520967880501.5871 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:33 on Sat 5 Jul to 11:52 on Sun 6 Jul.", "fact": "1986-07-05T00:32:49Z → 1986-07-06T02:51:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:30–02:18 on the 4th, 01:30–02:18 on the 5th.", "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 4th and 48 of 48 on the 5th.", "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 26100 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Saturday 5 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": "1986-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-05", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Saturday 5 July. Caturdaśī runs from 09:33 on Sat 5 Jul to 11:52 on Sun 6 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4843, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-07-08T15:38:57+09:00", "utc": "1986-07-08T06:38:57Z", "ms": 521188736772.2223 }, "end": { "local": "1986-07-09T17:02:22+09:00", "utc": "1986-07-09T08:02:22Z", "ms": 521280142084.99384 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-08T15:38:57+09:00", "utc": "1986-07-08T06:38:57Z", "ms": 521188736772.2223 }, "end": { "local": "1986-07-09T17:02:22+09:00", "utc": "1986-07-09T08:02:22Z", "ms": 521280142084.99384 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-08", "window": { "start": { "local": "1986-07-08T13:30:14+09:00", "utc": "1986-07-08T04:30:14Z", "ms": 521181014213.0819 }, "end": { "local": "1986-07-08T14:18:14+09:00", "utc": "1986-07-08T05:18:14Z", "ms": 521183894213.0819 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-09", "window": { "start": { "local": "1986-07-09T13:30:23+09:00", "utc": "1986-07-09T04:30:23Z", "ms": 521267423155.57623 }, "end": { "local": "1986-07-09T14:18:23+09:00", "utc": "1986-07-09T05:18:23Z", "ms": 521270303155.57623 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:39 on Tue 8 Jul to 17:02 on Wed 9 Jul.", "fact": "1986-07-08T06:38:57Z → 1986-07-09T08:02:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 8th, 13:30–14:18 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4843 s" }, { "step": "ruling", "text": "Rathayātrā, Qingyang, 1986: Wednesday 9 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-09", "confidence": "determinate" } ], "quote": "In Qingyang, Rathayātrā 1986 falls on Wednesday 9 July. Dvitīyā runs from 15:39 on Tue 8 Jul to 17:02 on Wed 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rathayatra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-07-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13508, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-07-10T18:03:40+09:00", "utc": "1986-07-10T09:03:40Z", "ms": 521370220080.71155 }, "end": { "local": "1986-07-11T18:41:08+09:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-10T18:03:40+09:00", "utc": "1986-07-10T09:03:40Z", "ms": 521370220080.71155 }, "end": { "local": "1986-07-11T18:41:08+09:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-10", "window": { "start": { "local": "1986-07-10T13:30:32+09:00", "utc": "1986-07-10T04:30:32Z", "ms": 521353831690.032 }, "end": { "local": "1986-07-10T14:18:32+09:00", "utc": "1986-07-10T05:18:32Z", "ms": 521356711690.032 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-11", "window": { "start": { "local": "1986-07-11T13:30:40+09:00", "utc": "1986-07-11T04:30:40Z", "ms": 521440239796.025 }, "end": { "local": "1986-07-11T14:18:40+09:00", "utc": "1986-07-11T05:18:40Z", "ms": 521443119796.025 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:04 on Thu 10 Jul to 18:41 on Fri 11 Jul.", "fact": "1986-07-10T09:03:40Z → 1986-07-11T09:41:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 10th, 13:31–14:19 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13508 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Friday 11 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": "1986-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-11", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Friday 11 July. Caturthī runs from 18:04 on Thu 10 Jul to 18:41 on Fri 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-07-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15748, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-07-11T18:41:08+09:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "end": { "local": "1986-07-12T18:52:29+09:00", "utc": "1986-07-12T09:52:29Z", "ms": 521545949108.88617 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-11T18:41:08+09:00", "utc": "1986-07-11T09:41:08Z", "ms": 521458867666.7169 }, "end": { "local": "1986-07-12T18:52:29+09:00", "utc": "1986-07-12T09:52:29Z", "ms": 521545949108.88617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-11", "window": { "start": { "local": "1986-07-11T13:30:40+09:00", "utc": "1986-07-11T04:30:40Z", "ms": 521440239796.025 }, "end": { "local": "1986-07-11T14:18:40+09:00", "utc": "1986-07-11T05:18:40Z", "ms": 521443119796.025 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-12", "window": { "start": { "local": "1986-07-12T13:30:47+09:00", "utc": "1986-07-12T04:30:47Z", "ms": 521526647454.14343 }, "end": { "local": "1986-07-12T14:18:47+09:00", "utc": "1986-07-12T05:18:47Z", "ms": 521529527454.14343 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:41 on Fri 11 Jul to 18:52 on Sat 12 Jul.", "fact": "1986-07-11T09:41:08Z → 1986-07-12T09:52:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 11th, 13:31–14:19 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15748 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Qingyang, 1986: Saturday 12 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": "1986-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-12", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Pañcamī 1986 falls on Saturday 12 July. Pañcamī runs from 18:41 on Fri 11 Jul to 18:52 on Sat 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/skanda-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12449, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-07-13T18:35:06+09:00", "utc": "1986-07-13T09:35:06Z", "ms": 521631306236.8292 }, "end": { "local": "1986-07-14T17:46:30+09:00", "utc": "1986-07-14T08:46:30Z", "ms": 521714789873.4464 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-13T18:35:06+09:00", "utc": "1986-07-13T09:35:06Z", "ms": 521631306236.8292 }, "end": { "local": "1986-07-14T17:46:30+09:00", "utc": "1986-07-14T08:46:30Z", "ms": 521714789873.4464 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-13", "window": { "start": { "local": "1986-07-13T13:30:55+09:00", "utc": "1986-07-13T04:30:55Z", "ms": 521613054646.1738 }, "end": { "local": "1986-07-13T14:18:55+09:00", "utc": "1986-07-13T05:18:55Z", "ms": 521615934646.1738 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-14", "window": { "start": { "local": "1986-07-14T13:31:01+09:00", "utc": "1986-07-14T04:31:01Z", "ms": 521699461355.28766 }, "end": { "local": "1986-07-14T14:19:01+09:00", "utc": "1986-07-14T05:19:01Z", "ms": 521702341355.28766 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:35 on Sun 13 Jul to 17:46 on Mon 14 Jul.", "fact": "1986-07-13T09:35:06Z → 1986-07-14T08:46:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 13th, 13:31–14:19 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12449 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Qingyang, 1986: Monday 14 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": "1986-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-14", "confidence": "determinate" } ], "quote": "In Qingyang, Vivasvat Saptamī 1986 falls on Monday 14 July. Saptamī runs from 18:35 on Sun 13 Jul to 17:46 on Mon 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vivasvat-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-07-18", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8765, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-17T12:05:11+09:00", "utc": "1986-07-17T03:05:11Z", "ms": 521953511398.9697 }, "end": { "local": "1986-07-18T09:12:47+09:00", "utc": "1986-07-18T00:12:47Z", "ms": 522029566968.081 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-17T12:05:11+09:00", "utc": "1986-07-17T03:05:11Z", "ms": 521953511398.9697 }, "end": { "local": "1986-07-18T09:12:47+09:00", "utc": "1986-07-18T00:12:47Z", "ms": 522029566968.081 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-07-17", "window": { "start": { "local": "1986-07-17T06:46:02+09:00", "utc": "1986-07-16T21:46:02Z", "ms": 521934361762.01245 }, "end": { "local": "1986-07-17T06:46:02+09:00", "utc": "1986-07-16T21:46:02Z", "ms": 521934361762.01245 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-07-18", "window": { "start": { "local": "1986-07-18T06:46:42+09:00", "utc": "1986-07-17T21:46:42Z", "ms": 522020802350.67883 }, "end": { "local": "1986-07-18T06:46:42+09:00", "utc": "1986-07-17T21:46:42Z", "ms": 522020802350.67883 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:05 on Thu 17 Jul to 09:13 on Fri 18 Jul.", "fact": "1986-07-17T03:05:11Z → 1986-07-18T00:12:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 17th and 06:47 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 8765 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Qingyang, 1986: Friday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-18", "confidence": "determinate" } ], "quote": "In Qingyang, Hariśayanī Ekādaśī 1986 falls on Friday 18 July. Ekādaśī runs from 12:05 on Thu 17 Jul to 09:13 on Fri 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-07-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15116, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-07-19T05:59:33+09:00", "utc": "1986-07-18T20:59:33Z", "ms": 522104372930.19257 }, "end": { "local": "1986-07-20T02:33:23+09:00", "utc": "1986-07-19T17:33:23Z", "ms": 522178403154.3439 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-19T05:59:33+09:00", "utc": "1986-07-18T20:59:33Z", "ms": 522104372930.19257 }, "end": { "local": "1986-07-20T02:33:23+09:00", "utc": "1986-07-19T17:33:23Z", "ms": 522178403154.3439 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-18", "window": { "start": { "local": "1986-07-18T21:04:04+09:00", "utc": "1986-07-18T12:04:04Z", "ms": 522072243818.2603 }, "end": { "local": "1986-07-18T22:21:50+09:00", "utc": "1986-07-18T13:21:50Z", "ms": 522076910445.2912 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1986-07-19", "window": { "start": { "local": "1986-07-19T21:03:31+09:00", "utc": "1986-07-19T12:03:31Z", "ms": 522158610852.1239 }, "end": { "local": "1986-07-19T22:21:27+09:00", "utc": "1986-07-19T13:21:27Z", "ms": 522163287437.3991 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:00 on Sat 19 Jul to 02:33 on Sun 20 Jul.", "fact": "1986-07-18T20:59:33Z → 1986-07-19T17:33:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:04–22:22 on the 18th, 21:04–22:21 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 78 minutes on the 18th and 78 of 78 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 15116 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Saturday 19 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": "1986-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-19", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Saturday 19 July. Trayodaśī runs from 06:00 on Sat 19 Jul to 02:33 on Sun 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-20", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2550, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T21:02:56+09:00", "utc": "1986-07-20T12:02:56Z", "ms": 522244976241.38995 }, "end": { "local": "1986-07-20T22:21:03+09:00", "utc": "1986-07-20T13:21:03Z", "ms": 522249663073.6738 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T21:02:20+09:00", "utc": "1986-07-21T12:02:20Z", "ms": 522331340005.69336 }, "end": { "local": "1986-07-21T22:20:37+09:00", "utc": "1986-07-21T13:20:37Z", "ms": 522336037367.48004 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:03–22:21 on the 20th, 21:02–22:21 on the 21st.", "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 78 minutes on the 20th and 0 of 78 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2550 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Qingyang, 1986: Sunday 20 July.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1986-07-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-20", "confidence": "boundary" } ], "quote": "In Qingyang, Śiva Śayanotsava 1986 falls on Sunday 20 July. Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/shiva-shayanotsava", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27914, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "udaya-3", "days": [ { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T06:48:47+09:00", "utc": "1986-07-20T21:48:47Z", "ms": 522280127483.51917 }, "end": { "local": "1986-07-21T09:39:30+09:00", "utc": "1986-07-21T00:39:30Z", "ms": 522290369987.954 } }, "covered_min": 171, "window_min": 171, "qualifies": true }, { "local_date": "1986-07-22", "window": { "start": { "local": "1986-07-22T06:49:30+09:00", "utc": "1986-07-21T21:49:30Z", "ms": 522366570219.0934 }, "end": { "local": "1986-07-22T09:39:57+09:00", "utc": "1986-07-22T00:39:57Z", "ms": 522376796608.2772 } }, "covered_min": 0, "window_min": 170, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:49–09:39 on the 21st, 06:50–09:40 on the 22nd.", "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 171 of 171 minutes on the 21st and 0 of 170 on the 22nd.", "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 27914 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Qingyang, 1986: Monday 21 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": "1986-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-21", "confidence": "determinate" } ], "quote": "In Qingyang, Vyāsa Pūjā 1986 falls on Monday 21 July. Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1986/vyasa-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19239, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T13:31:31+09:00", "utc": "1986-07-20T04:31:31Z", "ms": 522217890741.53894 }, "end": { "local": "1986-07-20T14:19:31+09:00", "utc": "1986-07-20T05:19:31Z", "ms": 522220770741.53894 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T13:31:34+09:00", "utc": "1986-07-21T04:31:34Z", "ms": 522304293744.60626 }, "end": { "local": "1986-07-21T14:19:34+09:00", "utc": "1986-07-21T05:19:34Z", "ms": 522307173744.60626 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:32–14:20 on the 20th, 13:32–14:20 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19239 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Qingyang, 1986: Monday 21 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": "1986-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-21", "confidence": "determinate" } ], "quote": "In Qingyang, Guru Pūrṇimā 1986 falls on Monday 21 July. Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/guru-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4928, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1986-07-20T23:03:33+09:00", "utc": "1986-07-20T14:03:33Z", "ms": 522252213026.65497 }, "end": { "local": "1986-07-21T19:40:12+09:00", "utc": "1986-07-21T10:40:12Z", "ms": 522326412391.267 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-07-20", "window": { "start": { "local": "1986-07-20T18:11:58+09:00", "utc": "1986-07-20T09:11:58Z", "ms": 522234718041.4496 }, "end": { "local": "1986-07-20T21:02:56+09:00", "utc": "1986-07-20T12:02:56Z", "ms": 522244976241.38995 } }, "covered_min": 0, "window_min": 171, "qualifies": false }, { "local_date": "1986-07-21", "window": { "start": { "local": "1986-07-21T18:11:38+09:00", "utc": "1986-07-21T09:11:38Z", "ms": 522321097501.25854 }, "end": { "local": "1986-07-21T21:02:20+09:00", "utc": "1986-07-21T12:02:20Z", "ms": 522331340005.69336 } }, "covered_min": 89, "window_min": 171, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul.", "fact": "1986-07-20T14:03:33Z → 1986-07-21T10:40:12Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 18:12–21:03 on the 20th, 18:12–21:02 on the 21st.", "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 171 minutes on the 20th and 89 of 171 on the 21st.", "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 4928 s" }, { "step": "ruling", "text": "Kokilā Vrata, Qingyang, 1986: Monday 21 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": "1986-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-21", "confidence": "determinate" } ], "quote": "In Qingyang, Kokilā Vrata 1986 falls on Monday 21 July. Pūrṇimā runs from 23:04 on Sun 20 Jul to 19:40 on Mon 21 Jul and covers 89 of 171 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/kokila-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20176, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-07-22T16:33:56+09:00", "utc": "1986-07-22T07:33:56Z", "ms": 522401635902.92523 }, "end": { "local": "1986-07-23T13:55:09+09:00", "utc": "1986-07-23T04:55:09Z", "ms": 522478508547.38306 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-22T16:33:56+09:00", "utc": "1986-07-22T07:33:56Z", "ms": 522401635902.92523 }, "end": { "local": "1986-07-23T13:55:09+09:00", "utc": "1986-07-23T04:55:09Z", "ms": 522478508547.38306 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-07-22", "window": { "start": { "local": "1986-07-22T22:10:12+09:00", "utc": "1986-07-22T13:10:12Z", "ms": 522421811816.3579 }, "end": { "local": "1986-07-22T22:10:12+09:00", "utc": "1986-07-22T13:10:12Z", "ms": 522421811816.3579 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-07-23", "window": { "start": { "local": "1986-07-23T22:45:45+09:00", "utc": "1986-07-23T13:45:45Z", "ms": 522510345345.82526 }, "end": { "local": "1986-07-23T22:45:45+09:00", "utc": "1986-07-23T13:45:45Z", "ms": 522510345345.82526 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:34 on Tue 22 Jul to 13:55 on Wed 23 Jul.", "fact": "1986-07-22T07:33:56Z → 1986-07-23T04:55:09Z" }, { "step": "kaala", "text": "Moonrise is at 22:10 on the 22nd and 22:46 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 22nd and is not on the 23rd.", "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 20176 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Qingyang, 1986: Tuesday 22 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": "1986-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-22", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata (Āṣāḍha) 1986 falls on Tuesday 22 July. Dvitīyā runs from 16:34 on Tue 22 Jul to 13:55 on Wed 23 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ashunya-shayana-vrata-ashadha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-07-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40848, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-07-24T11:53:23+09:00", "utc": "1986-07-24T02:53:23Z", "ms": 522557602824.6625 }, "end": { "local": "1986-07-25T10:36:25+09:00", "utc": "1986-07-25T01:36:25Z", "ms": 522639384975.9649 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-24T11:53:23+09:00", "utc": "1986-07-24T02:53:23Z", "ms": 522557602824.6625 }, "end": { "local": "1986-07-25T10:36:25+09:00", "utc": "1986-07-25T01:36:25Z", "ms": 522639384975.9649 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-07-23", "window": { "start": { "local": "1986-07-23T22:45:45+09:00", "utc": "1986-07-23T13:45:45Z", "ms": 522510345345.82526 }, "end": { "local": "1986-07-23T22:45:45+09:00", "utc": "1986-07-23T13:45:45Z", "ms": 522510345345.82526 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-07-24", "window": { "start": { "local": "1986-07-24T23:15:37+09:00", "utc": "1986-07-24T14:15:37Z", "ms": 522598537100.0063 }, "end": { "local": "1986-07-24T23:15:37+09:00", "utc": "1986-07-24T14:15:37Z", "ms": 522598537100.0063 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:53 on Thu 24 Jul to 10:36 on Fri 25 Jul.", "fact": "1986-07-24T02:53:23Z → 1986-07-25T01:36:25Z" }, { "step": "kaala", "text": "Moonrise is at 22:46 on the 23rd and 23:16 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "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 40848 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Thursday 24 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": "1986-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-07-24", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Thursday 24 July. Caturthī runs from 11:53 on Thu 24 Jul to 10:36 on Fri 25 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-08-01", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36638, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-07-31T18:18:50+09:00", "utc": "1986-07-31T09:18:50Z", "ms": 523185529530.1035 }, "end": { "local": "1986-08-01T20:47:08+09:00", "utc": "1986-08-01T11:47:08Z", "ms": 523280827835.8934 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-07-31T18:18:50+09:00", "utc": "1986-07-31T09:18:50Z", "ms": 523185529530.1035 }, "end": { "local": "1986-08-01T20:47:08+09:00", "utc": "1986-08-01T11:47:08Z", "ms": 523280827835.8934 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-08-01", "window": { "start": { "local": "1986-08-01T06:56:59+09:00", "utc": "1986-07-31T21:56:59Z", "ms": 523231019033.07745 }, "end": { "local": "1986-08-01T06:56:59+09:00", "utc": "1986-07-31T21:56:59Z", "ms": 523231019033.07745 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-08-02", "window": { "start": { "local": "1986-08-02T06:57:45+09:00", "utc": "1986-08-01T21:57:45Z", "ms": 523317465476.1559 }, "end": { "local": "1986-08-02T06:57:45+09:00", "utc": "1986-08-01T21:57:45Z", "ms": 523317465476.1559 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:19 on Thu 31 Jul to 20:47 on Fri 1 Aug.", "fact": "1986-07-31T09:18:50Z → 1986-08-01T11:47:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 1st and 06:58 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36638 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Qingyang, 1986: Friday 1 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-01", "confidence": "determinate" } ], "quote": "In Qingyang, Kāmikā Ekādaśī 1986 falls on Friday 1 August. Ekādaśī runs from 18:19 on Thu 31 Jul to 20:47 on Fri 1 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-08-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2962, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-08-02T23:03:12+09:00", "utc": "1986-08-02T14:03:12Z", "ms": 523375391510.0537 }, "end": { "local": "1986-08-04T00:59:05+09:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-02T23:03:12+09:00", "utc": "1986-08-02T14:03:12Z", "ms": 523375391510.0537 }, "end": { "local": "1986-08-04T00:59:05+09:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-08-02", "window": { "start": { "local": "1986-08-02T20:53:06+09:00", "utc": "1986-08-02T11:53:06Z", "ms": 523367585834.0953 }, "end": { "local": "1986-08-02T22:13:49+09:00", "utc": "1986-08-02T13:13:49Z", "ms": 523372429335.77747 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1986-08-03", "window": { "start": { "local": "1986-08-03T20:52:10+09:00", "utc": "1986-08-03T11:52:10Z", "ms": 523453930345.61847 }, "end": { "local": "1986-08-03T22:13:07+09:00", "utc": "1986-08-03T13:13:07Z", "ms": 523458787482.0952 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:03 on Sat 2 Aug to 00:59 on Mon 4 Aug.", "fact": "1986-08-02T14:03:12Z → 1986-08-03T15:59:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:53–22:14 on the 2nd, 20:52–22:13 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 2nd and 81 of 81 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2962 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Sunday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-03", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Sunday 3 August. Trayodaśī runs from 23:03 on Sat 2 Aug to 00:59 on Mon 4 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-08-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 646, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-08-04T00:59:05+09:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "end": { "local": "1986-08-05T02:30:25+09:00", "utc": "1986-08-04T17:30:25Z", "ms": 523560625352.38806 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-04T00:59:05+09:00", "utc": "1986-08-03T15:59:05Z", "ms": 523468744993.5438 }, "end": { "local": "1986-08-05T02:30:25+09:00", "utc": "1986-08-04T17:30:25Z", "ms": 523560625352.38806 } }, "kaala": "nishita", "days": [ { "local_date": "1986-08-03", "window": { "start": { "local": "1986-08-04T01:31:45+09:00", "utc": "1986-08-03T16:31:45Z", "ms": 523470704607.4064 }, "end": { "local": "1986-08-04T02:19:45+09:00", "utc": "1986-08-03T17:19:45Z", "ms": 523473584607.4064 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-04", "window": { "start": { "local": "1986-08-05T01:31:40+09:00", "utc": "1986-08-04T16:31:40Z", "ms": 523557099647.868 }, "end": { "local": "1986-08-05T02:19:40+09:00", "utc": "1986-08-04T17:19:40Z", "ms": 523559979647.868 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:59 on Mon 4 Aug to 02:30 on Tue 5 Aug.", "fact": "1986-08-03T15:59:05Z → 1986-08-04T17:30:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:32–02:20 on the 3rd, 01:32–02:20 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 646 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Sunday 3 August.", "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": "1986-08-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-04", "confidence": "boundary" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Sunday 3 August. Caturdaśī runs from 00:59 on Mon 4 Aug to 02:30 on Tue 5 Aug and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32385, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-08-08T04:31:05+09:00", "utc": "1986-08-07T19:31:05Z", "ms": 523827065056.5028 }, "end": { "local": "1986-08-09T04:23:51+09:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-08T04:31:05+09:00", "utc": "1986-08-07T19:31:05Z", "ms": 523827065056.5028 }, "end": { "local": "1986-08-09T04:23:51+09:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-08", "window": { "start": { "local": "1986-08-08T13:30:50+09:00", "utc": "1986-08-08T04:30:50Z", "ms": 523859450197.7484 }, "end": { "local": "1986-08-08T14:18:50+09:00", "utc": "1986-08-08T05:18:50Z", "ms": 523862330197.7484 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-09", "window": { "start": { "local": "1986-08-09T13:30:42+09:00", "utc": "1986-08-09T04:30:42Z", "ms": 523945842220.96606 }, "end": { "local": "1986-08-09T14:18:42+09:00", "utc": "1986-08-09T05:18:42Z", "ms": 523948722220.96606 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:31 on Fri 8 Aug to 04:24 on Sat 9 Aug.", "fact": "1986-08-07T19:31:05Z → 1986-08-08T19:23:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 8th, 13:31–14:19 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32385 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Qingyang, 1986: Friday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-08", "confidence": "determinate" } ], "quote": "In Qingyang, Madhusravā Tṛtīyā (Hariyali Teej) 1986 falls on Friday 8 August. Tṛtīyā runs from 04:31 on Fri 8 Aug to 04:24 on Sat 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/madhusrava-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-08-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32811, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-09T04:23:51+09:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "end": { "local": "1986-08-10T03:54:44+09:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-09T04:23:51+09:00", "utc": "1986-08-08T19:23:51Z", "ms": 523913030936.75507 }, "end": { "local": "1986-08-10T03:54:44+09:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-09", "window": { "start": { "local": "1986-08-09T13:30:42+09:00", "utc": "1986-08-09T04:30:42Z", "ms": 523945842220.96606 }, "end": { "local": "1986-08-09T14:18:42+09:00", "utc": "1986-08-09T05:18:42Z", "ms": 523948722220.96606 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-10", "window": { "start": { "local": "1986-08-10T13:30:34+09:00", "utc": "1986-08-10T04:30:34Z", "ms": 524032233656.494 }, "end": { "local": "1986-08-10T14:18:34+09:00", "utc": "1986-08-10T05:18:34Z", "ms": 524035113656.494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:24 on Sat 9 Aug to 03:55 on Sun 10 Aug.", "fact": "1986-08-08T19:23:51Z → 1986-08-09T18:54:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 9th, 13:31–14:19 on the 10th.", "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 9th and 0 of 48 on the 10th.", "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 32811 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Saturday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-09", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Saturday 9 August. Caturthī runs from 04:24 on Sat 9 Aug to 03:55 on Sun 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34550, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-08-10T03:54:44+09:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "end": { "local": "1986-08-11T03:04:00+09:00", "utc": "1986-08-10T18:04:00Z", "ms": 524081039690.63763 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-10T03:54:44+09:00", "utc": "1986-08-09T18:54:44Z", "ms": 523997683715.70526 }, "end": { "local": "1986-08-11T03:04:00+09:00", "utc": "1986-08-10T18:04:00Z", "ms": 524081039690.63763 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-10", "window": { "start": { "local": "1986-08-10T13:30:34+09:00", "utc": "1986-08-10T04:30:34Z", "ms": 524032233656.494 }, "end": { "local": "1986-08-10T14:18:34+09:00", "utc": "1986-08-10T05:18:34Z", "ms": 524035113656.494 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-11", "window": { "start": { "local": "1986-08-11T13:30:25+09:00", "utc": "1986-08-11T04:30:25Z", "ms": 524118624507.7296 }, "end": { "local": "1986-08-11T14:18:25+09:00", "utc": "1986-08-11T05:18:25Z", "ms": 524121504507.7296 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:55 on Sun 10 Aug to 03:04 on Mon 11 Aug.", "fact": "1986-08-09T18:54:44Z → 1986-08-10T18:04:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:31–14:19 on the 10th, 13:30–14:18 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34550 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Qingyang, 1986: Sunday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-10", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī 1986 falls on Sunday 10 August. Pañcamī runs from 03:55 on Sun 10 Aug to 03:04 on Mon 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/naga-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-08-16", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27350, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-08-15T17:30:47+09:00", "utc": "1986-08-15T08:30:47Z", "ms": 524478646764.76105 }, "end": { "local": "1986-08-16T14:44:34+09:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-15T17:30:47+09:00", "utc": "1986-08-15T08:30:47Z", "ms": 524478646764.76105 }, "end": { "local": "1986-08-16T14:44:34+09:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-08-15", "window": { "start": { "local": "1986-08-15T07:07:57+09:00", "utc": "1986-08-14T22:07:57Z", "ms": 524441276929.1721 }, "end": { "local": "1986-08-15T07:07:57+09:00", "utc": "1986-08-14T22:07:57Z", "ms": 524441276929.1721 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-08-16", "window": { "start": { "local": "1986-08-16T07:08:44+09:00", "utc": "1986-08-15T22:08:44Z", "ms": 524527723880.65784 }, "end": { "local": "1986-08-16T07:08:44+09:00", "utc": "1986-08-15T22:08:44Z", "ms": 524527723880.65784 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:31 on Fri 15 Aug to 14:45 on Sat 16 Aug.", "fact": "1986-08-15T08:30:47Z → 1986-08-16T05:44:34Z" }, { "step": "kaala", "text": "Sunrise is at 07:08 on the 15th and 07:09 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27350 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Qingyang, 1986: Saturday 16 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": "1986-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Putradā Ekādaśī 1986 falls on Saturday 16 August. Ekādaśī runs from 17:31 on Fri 15 Aug to 14:45 on Sat 16 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1623, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-08-16T14:44:34+09:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "end": { "local": "1986-08-17T11:51:52+09:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-16T14:44:34+09:00", "utc": "1986-08-16T05:44:34Z", "ms": 524555073625.53204 }, "end": { "local": "1986-08-17T11:51:52+09:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-16", "window": { "start": { "local": "1986-08-16T13:29:30+09:00", "utc": "1986-08-16T04:29:30Z", "ms": 524550570218.495 }, "end": { "local": "1986-08-16T14:17:30+09:00", "utc": "1986-08-16T05:17:30Z", "ms": 524553450218.495 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-17", "window": { "start": { "local": "1986-08-17T13:29:18+09:00", "utc": "1986-08-17T04:29:18Z", "ms": 524636957716.9265 }, "end": { "local": "1986-08-17T14:17:18+09:00", "utc": "1986-08-17T05:17:18Z", "ms": 524639837716.9265 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:45 on Sat 16 Aug to 11:52 on Sun 17 Aug.", "fact": "1986-08-16T05:44:34Z → 1986-08-17T02:51:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:30–14:18 on the 16th, 13:29–14:17 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1623 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Qingyang, 1986: Sunday 17 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": "1986-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-16", "confidence": "determinate" } ], "quote": "In Qingyang, Dāmodara Dvādaśī 1986 falls on Sunday 17 August. Dvādaśī runs from 14:45 on Sat 16 Aug to 11:52 on Sun 17 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/damodara-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-08-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31513, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-08-17T11:51:52+09:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "end": { "local": "1986-08-18T09:00:12+09:00", "utc": "1986-08-18T00:00:12Z", "ms": 524707211504.8023 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-17T11:51:52+09:00", "utc": "1986-08-17T02:51:52Z", "ms": 524631112089.86005 }, "end": { "local": "1986-08-18T09:00:12+09:00", "utc": "1986-08-18T00:00:12Z", "ms": 524707211504.8023 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-08-17", "window": { "start": { "local": "1986-08-17T20:37:05+09:00", "utc": "1986-08-17T11:37:05Z", "ms": 524662624676.8878 }, "end": { "local": "1986-08-17T22:01:30+09:00", "utc": "1986-08-17T13:01:30Z", "ms": 524667690393.8554 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1986-08-18", "window": { "start": { "local": "1986-08-18T20:35:52+09:00", "utc": "1986-08-18T11:35:52Z", "ms": 524748951838.2772 }, "end": { "local": "1986-08-18T22:00:33+09:00", "utc": "1986-08-18T13:00:33Z", "ms": 524754033495.9183 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:52 on Sun 17 Aug to 09:00 on Mon 18 Aug.", "fact": "1986-08-17T02:51:52Z → 1986-08-18T00:00:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:37–22:02 on the 17th, 20:36–22:01 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 17th and 0 of 85 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31513 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Sunday 17 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": "1986-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-17", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Sunday 17 August. Trayodaśī runs from 11:52 on Sun 17 Aug to 09:00 on Mon 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11860, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-08-19T06:17:59+09:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-20T03:54:11+09:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1986-08-19T17:03:13+09:00", "utc": "1986-08-19T08:03:13Z", "ms": 524822593109.20715 }, "end": { "local": "1986-08-20T03:54:11+09:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 } }, "kaala": "day", "days": [ { "local_date": "1986-08-19", "window": { "start": { "local": "1986-08-19T07:11:04+09:00", "utc": "1986-08-18T22:11:04Z", "ms": 524787064270.585 }, "end": { "local": "1986-08-20T07:11:51+09:00", "utc": "1986-08-19T22:11:51Z", "ms": 524873510906.62305 } }, "covered_min": 651, "window_min": 1441, "qualifies": true }, { "local_date": "1986-08-20", "window": { "start": { "local": "1986-08-20T07:11:51+09:00", "utc": "1986-08-19T22:11:51Z", "ms": 524873510906.62305 }, "end": { "local": "1986-08-21T07:12:37+09:00", "utc": "1986-08-20T22:12:37Z", "ms": 524959957463.94775 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:18 on Tue 19 Aug to 03:54 on Wed 20 Aug. Its second half begins at 17:03 on Tue 19 Aug.", "fact": "1986-08-18T21:17:59Z → 1986-08-19T18:54:11Z · second half from 1986-08-19T08:03:13Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 07:11 on the 19th, and from 07:12 on the 20th.", "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 651 of 1441 minutes on the 19th and 0 of 1441 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11860 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Qingyang, 1986: Tuesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Rakṣā Bandhana (Rakhi) 1986 falls on Tuesday 19 August. The second half of Pūrṇimā runs from 17:03 on Tue 19 Aug to 03:54 on Wed 20 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/qingyang/festivals/1986/raksha-bandhana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25852, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-08-19T06:17:59+09:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-20T03:54:11+09:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1986-08-19T06:17:59+09:00", "utc": "1986-08-18T21:17:59Z", "ms": 524783878940.7582 }, "end": { "local": "1986-08-20T03:54:11+09:00", "utc": "1986-08-19T18:54:11Z", "ms": 524861651031.4847 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-19", "window": { "start": { "local": "1986-08-19T13:28:51+09:00", "utc": "1986-08-19T04:28:51Z", "ms": 524809731171.20703 }, "end": { "local": "1986-08-19T14:16:51+09:00", "utc": "1986-08-19T05:16:51Z", "ms": 524812611171.20703 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-20", "window": { "start": { "local": "1986-08-20T13:28:37+09:00", "utc": "1986-08-20T04:28:37Z", "ms": 524896117157.6125 }, "end": { "local": "1986-08-20T14:16:37+09:00", "utc": "1986-08-20T05:16:37Z", "ms": 524898997157.6125 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:18 on Tue 19 Aug to 03:54 on Wed 20 Aug.", "fact": "1986-08-18T21:17:59Z → 1986-08-19T18:54:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:29–14:17 on the 19th, 13:29–14:17 on the 20th.", "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 19th and 0 of 48 on the 20th.", "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 25852 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Qingyang, 1986: Tuesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-19", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Tarpaṇa 1986 falls on Tuesday 19 August. Pūrṇimā runs from 06:18 on Tue 19 Aug to 03:54 on Wed 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rishi-tarpana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10521, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-08-21T01:57:39+09:00", "utc": "1986-08-20T16:57:39Z", "ms": 524941059150.6181 }, "end": { "local": "1986-08-22T00:36:26+09:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-21T01:57:39+09:00", "utc": "1986-08-20T16:57:39Z", "ms": 524941059150.6181 }, "end": { "local": "1986-08-22T00:36:26+09:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-08-20", "window": { "start": { "local": "1986-08-20T21:13:11+09:00", "utc": "1986-08-20T12:13:11Z", "ms": 524923990742.7781 }, "end": { "local": "1986-08-20T21:13:11+09:00", "utc": "1986-08-20T12:13:11Z", "ms": 524923990742.7781 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-08-21", "window": { "start": { "local": "1986-08-21T21:41:06+09:00", "utc": "1986-08-21T12:41:06Z", "ms": 525012065604.13434 }, "end": { "local": "1986-08-21T21:41:06+09:00", "utc": "1986-08-21T12:41:06Z", "ms": 525012065604.13434 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:58 on Thu 21 Aug to 00:36 on Fri 22 Aug.", "fact": "1986-08-20T16:57:39Z → 1986-08-21T15:36:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 20th and 21:41 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 20th and is on the 21st.", "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 10521 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Qingyang, 1986: Thursday 21 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": "1986-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-21", "confidence": "determinate" } ], "quote": "In Qingyang, Aśūnya Śayana Vrata 1986 falls on Thursday 21 August. Dvitīyā runs from 01:58 on Thu 21 Aug to 00:36 on Fri 22 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ashunya-shayana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34845, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-08-22T00:36:26+09:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "end": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-22T00:36:26+09:00", "utc": "1986-08-21T15:36:26Z", "ms": 525022586127.24066 }, "end": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-21", "window": { "start": { "local": "1986-08-21T13:28:23+09:00", "utc": "1986-08-21T04:28:23Z", "ms": 524982502671.6334 }, "end": { "local": "1986-08-21T14:16:23+09:00", "utc": "1986-08-21T05:16:23Z", "ms": 524985382671.6334 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T13:28:08+09:00", "utc": "1986-08-22T04:28:08Z", "ms": 525068887729.6509 }, "end": { "local": "1986-08-22T14:16:08+09:00", "utc": "1986-08-22T05:16:08Z", "ms": 525071767729.6509 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:36 on Fri 22 Aug to 23:57 on Fri 22 Aug.", "fact": "1986-08-21T15:36:26Z → 1986-08-22T14:56:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 21st, 13:28–14:16 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "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 34845 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Qingyang, 1986: Friday 22 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": "1986-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-22", "confidence": "determinate" } ], "quote": "In Qingyang, Kajjalī Tṛtīyā (Kajari Teej) 1986 falls on Friday 22 August. Tṛtīyā runs from 00:36 on Fri 22 Aug to 23:57 on Fri 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/kajjali-tritiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12362, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-24T00:02:39+09:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-24T00:02:39+09:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 } }, "kaala": "sayahna", "days": [ { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T17:51:22+09:00", "utc": "1986-08-22T08:51:22Z", "ms": 525084682000.4813 }, "end": { "local": "1986-08-22T20:30:52+09:00", "utc": "1986-08-22T11:30:52Z", "ms": 525094251514.3683 } }, "covered_min": 0, "window_min": 159, "qualifies": false }, { "local_date": "1986-08-23", "window": { "start": { "local": "1986-08-23T17:50:30+09:00", "utc": "1986-08-23T08:50:30Z", "ms": 525171029545.4659 }, "end": { "local": "1986-08-23T20:29:34+09:00", "utc": "1986-08-23T11:29:34Z", "ms": 525180574343.8149 } }, "covered_min": 159, "window_min": 159, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:57 on Fri 22 Aug to 00:03 on Sun 24 Aug.", "fact": "1986-08-22T14:56:53Z → 1986-08-23T15:02:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:51–20:31 on the 22nd, 17:50–20:30 on the 23rd.", "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 159 minutes on the 22nd and 159 of 159 on the 23rd.", "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 12362 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Qingyang, 1986: Saturday 23 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": "1986-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Bahulā Caturthī 1986 falls on Saturday 23 August. Caturthī runs from 23:57 on Fri 22 Aug to 00:03 on Sun 24 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/bahula-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-08-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5473, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-24T00:02:39+09:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-22T23:56:53+09:00", "utc": "1986-08-22T14:56:53Z", "ms": 525106613164.1862 }, "end": { "local": "1986-08-24T00:02:39+09:00", "utc": "1986-08-23T15:02:39Z", "ms": 525193358844.06995 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-08-22", "window": { "start": { "local": "1986-08-22T22:06:40+09:00", "utc": "1986-08-22T13:06:40Z", "ms": 525099999843.3453 }, "end": { "local": "1986-08-22T22:06:40+09:00", "utc": "1986-08-22T13:06:40Z", "ms": 525099999843.3453 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-08-23", "window": { "start": { "local": "1986-08-23T22:31:26+09:00", "utc": "1986-08-23T13:31:26Z", "ms": 525187885752.83624 }, "end": { "local": "1986-08-23T22:31:26+09:00", "utc": "1986-08-23T13:31:26Z", "ms": 525187885752.83624 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:57 on Fri 22 Aug to 00:03 on Sun 24 Aug.", "fact": "1986-08-22T14:56:53Z → 1986-08-23T15:02:39Z" }, { "step": "kaala", "text": "Moonrise is at 22:07 on the 22nd and 22:31 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "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 5473 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Saturday 23 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": "1986-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-23", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Saturday 23 August. Caturthī runs from 23:57 on Fri 22 Aug to 00:03 on Sun 24 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38282, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-08-25T00:53:39+09:00", "utc": "1986-08-24T15:53:39Z", "ms": 525282818605.7878 }, "end": { "local": "1986-08-26T02:25:21+09:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-25T00:53:39+09:00", "utc": "1986-08-24T15:53:39Z", "ms": 525282818605.7878 }, "end": { "local": "1986-08-26T02:25:21+09:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-24", "window": { "start": { "local": "1986-08-24T13:27:37+09:00", "utc": "1986-08-24T04:27:37Z", "ms": 525241656542.5038 }, "end": { "local": "1986-08-24T14:15:37+09:00", "utc": "1986-08-24T05:15:37Z", "ms": 525244536542.5038 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-25", "window": { "start": { "local": "1986-08-25T13:27:20+09:00", "utc": "1986-08-25T04:27:20Z", "ms": 525328040328.9833 }, "end": { "local": "1986-08-25T14:15:20+09:00", "utc": "1986-08-25T05:15:20Z", "ms": 525330920328.9833 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:54 on Mon 25 Aug to 02:25 on Tue 26 Aug.", "fact": "1986-08-24T15:53:39Z → 1986-08-25T17:25:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:28–14:16 on the 24th, 13:27–14:15 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38282 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Qingyang, 1986: Monday 25 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": "1986-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-25", "confidence": "determinate" } ], "quote": "In Qingyang, Hala Ṣaṣṭhī 1986 falls on Monday 25 August. Ṣaṣṭhī runs from 00:54 on Mon 25 Aug to 02:25 on Tue 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/hala-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32280, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-08-26T02:25:21+09:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "end": { "local": "1986-08-27T04:28:46+09:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-26T02:25:21+09:00", "utc": "1986-08-25T17:25:21Z", "ms": 525374721479.4915 }, "end": { "local": "1986-08-27T04:28:46+09:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-08-26", "window": { "start": { "local": "1986-08-26T13:27:04+09:00", "utc": "1986-08-26T04:27:04Z", "ms": 525414423722.7051 }, "end": { "local": "1986-08-26T14:15:04+09:00", "utc": "1986-08-26T05:15:04Z", "ms": 525417303722.7051 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-08-27", "window": { "start": { "local": "1986-08-27T13:26:47+09:00", "utc": "1986-08-27T04:26:47Z", "ms": 525500806738.7398 }, "end": { "local": "1986-08-27T14:14:47+09:00", "utc": "1986-08-27T05:14:47Z", "ms": 525503686738.7398 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:25 on Tue 26 Aug to 04:29 on Wed 27 Aug.", "fact": "1986-08-25T17:25:21Z → 1986-08-26T19:28:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:27–14:15 on the 26th, 13:27–14:15 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32280 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Qingyang, 1986: Tuesday 26 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": "1986-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-26", "confidence": "determinate" } ], "quote": "In Qingyang, Śītalā Saptamī 1986 falls on Tuesday 26 August. Saptamī runs from 02:25 on Tue 26 Aug to 04:29 on Wed 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/shitala-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8000, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-08-27T04:28:46+09:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "end": { "local": "1986-08-28T06:51:15+09:00", "utc": "1986-08-27T21:51:15Z", "ms": 525563474980.72546 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-27T04:28:46+09:00", "utc": "1986-08-26T19:28:46Z", "ms": 525468526333.04944 }, "end": { "local": "1986-08-28T06:51:15+09:00", "utc": "1986-08-27T21:51:15Z", "ms": 525563474980.72546 } }, "kaala": "nishita", "days": [ { "local_date": "1986-08-26", "window": { "start": { "local": "1986-08-27T01:27:27+09:00", "utc": "1986-08-26T16:27:27Z", "ms": 525457646788.1571 }, "end": { "local": "1986-08-27T02:15:27+09:00", "utc": "1986-08-26T17:15:27Z", "ms": 525460526788.1571 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-08-27", "window": { "start": { "local": "1986-08-28T01:27:10+09:00", "utc": "1986-08-27T16:27:10Z", "ms": 525544029771.45776 }, "end": { "local": "1986-08-28T02:15:10+09:00", "utc": "1986-08-27T17:15:10Z", "ms": 525546909771.45776 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:29 on Wed 27 Aug to 06:51 on Thu 28 Aug.", "fact": "1986-08-26T19:28:46Z → 1986-08-27T21:51:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:27–02:15 on the 26th, 01:27–02:15 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8000 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Qingyang, 1986: Wednesday 27 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": "1986-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-27", "confidence": "determinate" } ], "quote": "In Qingyang, Janmāṣṭamī 1986 falls on Wednesday 27 August. Aṣṭamī runs from 04:29 on Wed 27 Aug to 06:51 on Thu 28 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/janmashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-08-31", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15390, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-08-30T11:36:03+09:00", "utc": "1986-08-30T02:36:03Z", "ms": 525753362802.77814 }, "end": { "local": "1986-08-31T13:32:51+09:00", "utc": "1986-08-31T04:32:51Z", "ms": 525846771244.56995 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-08-30T11:36:03+09:00", "utc": "1986-08-30T02:36:03Z", "ms": 525753362802.77814 }, "end": { "local": "1986-08-31T13:32:51+09:00", "utc": "1986-08-31T04:32:51Z", "ms": 525846771244.56995 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-08-30", "window": { "start": { "local": "1986-08-30T07:19:33+09:00", "utc": "1986-08-29T22:19:33Z", "ms": 525737973287.2401 }, "end": { "local": "1986-08-30T07:19:33+09:00", "utc": "1986-08-29T22:19:33Z", "ms": 525737973287.2401 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-08-31", "window": { "start": { "local": "1986-08-31T07:20:19+09:00", "utc": "1986-08-30T22:20:19Z", "ms": 525824419164.4254 }, "end": { "local": "1986-08-31T07:20:19+09:00", "utc": "1986-08-30T22:20:19Z", "ms": 525824419164.4254 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:36 on Sat 30 Aug to 13:33 on Sun 31 Aug.", "fact": "1986-08-30T02:36:03Z → 1986-08-31T04:32:51Z" }, { "step": "kaala", "text": "Sunrise is at 07:20 on the 30th and 07:20 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15390 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Qingyang, 1986: Sunday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-08-31", "confidence": "determinate" } ], "quote": "In Qingyang, Ajā Ekādaśī 1986 falls on Sunday 31 August. Ekādaśī runs from 11:36 on Sat 30 Aug to 13:33 on Sun 31 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-09-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15577, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-09-01T15:00:57+09:00", "utc": "1986-09-01T06:00:57Z", "ms": 525938456983.22253 }, "end": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-01T15:00:57+09:00", "utc": "1986-09-01T06:00:57Z", "ms": 525938456983.22253 }, "end": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-01", "window": { "start": { "local": "1986-09-01T20:17:28+09:00", "utc": "1986-09-01T11:17:28Z", "ms": 525957448359.62024 }, "end": { "local": "1986-09-01T21:46:03+09:00", "utc": "1986-09-01T12:46:03Z", "ms": 525962763343.85486 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1986-09-02", "window": { "start": { "local": "1986-09-02T20:16:05+09:00", "utc": "1986-09-02T11:16:05Z", "ms": 526043764717.8644 }, "end": { "local": "1986-09-02T21:44:57+09:00", "utc": "1986-09-02T12:44:57Z", "ms": 526049096948.05414 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:01 on Mon 1 Sep to 15:56 on Tue 2 Sep.", "fact": "1986-09-01T06:00:57Z → 1986-09-02T06:56:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:17–21:46 on the 1st, 20:16–21:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 1st and 0 of 89 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15577 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Monday 1 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": "1986-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-01", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Monday 1 September. Trayodaśī runs from 15:01 on Mon 1 Sep to 15:56 on Tue 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14144, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T16:18:56+09:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T16:18:56+09:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-02", "window": { "start": { "local": "1986-09-02T20:16:05+09:00", "utc": "1986-09-02T11:16:05Z", "ms": 526043764717.8644 }, "end": { "local": "1986-09-02T21:44:57+09:00", "utc": "1986-09-02T12:44:57Z", "ms": 526049096948.05414 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1986-09-03", "window": { "start": { "local": "1986-09-03T20:14:41+09:00", "utc": "1986-09-03T11:14:41Z", "ms": 526130080580.5927 }, "end": { "local": "1986-09-03T21:43:50+09:00", "utc": "1986-09-03T12:43:50Z", "ms": 526135430115.4613 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep.", "fact": "1986-09-02T06:56:28Z → 1986-09-03T07:18:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:16–21:45 on the 2nd, 20:15–21:44 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 2nd and 0 of 89 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14144 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Qingyang, 1986: Tuesday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Aghora Caturdaśī 1986 falls on Tuesday 2 September. Caturdaśī runs from 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/aghora-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-09-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32765, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T16:18:56+09:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-02T15:56:28+09:00", "utc": "1986-09-02T06:56:28Z", "ms": 526028187861.5255 }, "end": { "local": "1986-09-03T16:18:56+09:00", "utc": "1986-09-03T07:18:56Z", "ms": 526115936300.23645 } }, "kaala": "nishita", "days": [ { "local_date": "1986-09-02", "window": { "start": { "local": "1986-09-03T01:25:21+09:00", "utc": "1986-09-02T16:25:21Z", "ms": 526062320581.07605 }, "end": { "local": "1986-09-03T02:13:21+09:00", "utc": "1986-09-02T17:13:21Z", "ms": 526065200581.07605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-03", "window": { "start": { "local": "1986-09-04T01:25:01+09:00", "utc": "1986-09-03T16:25:01Z", "ms": 526148701336.34985 }, "end": { "local": "1986-09-04T02:13:01+09:00", "utc": "1986-09-03T17:13:01Z", "ms": 526151581336.34985 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep.", "fact": "1986-09-02T06:56:28Z → 1986-09-03T07:18:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:25–02:13 on the 2nd, 01:25–02:13 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "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 32765 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Tuesday 2 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": "1986-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Tuesday 2 September. Caturdaśī runs from 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-09-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4937, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-09-04T16:10:23+09:00", "utc": "1986-09-04T07:10:23Z", "ms": 526201822943.1244 }, "end": { "local": "1986-09-05T15:34:16+09:00", "utc": "1986-09-05T06:34:16Z", "ms": 526286055885.1289 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-04T16:10:23+09:00", "utc": "1986-09-04T07:10:23Z", "ms": 526201822943.1244 }, "end": { "local": "1986-09-05T15:34:16+09:00", "utc": "1986-09-05T06:34:16Z", "ms": 526286055885.1289 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-04", "window": { "start": { "local": "1986-09-04T13:24:19+09:00", "utc": "1986-09-04T04:24:19Z", "ms": 526191859033.05963 }, "end": { "local": "1986-09-04T14:12:19+09:00", "utc": "1986-09-04T05:12:19Z", "ms": 526194739033.05963 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-05", "window": { "start": { "local": "1986-09-05T13:23:59+09:00", "utc": "1986-09-05T04:23:59Z", "ms": 526278239305.3441 }, "end": { "local": "1986-09-05T14:11:59+09:00", "utc": "1986-09-05T05:11:59Z", "ms": 526281119305.3441 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:10 on Thu 4 Sep to 15:34 on Fri 5 Sep.", "fact": "1986-09-04T07:10:23Z → 1986-09-05T06:34:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:24–14:12 on the 4th, 13:24–14:12 on the 5th.", "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 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: purvaviddha → only-day · margin 4937 s" }, { "step": "ruling", "text": "Rudra Vrata, Qingyang, 1986: Friday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-05", "confidence": "determinate" } ], "quote": "In Qingyang, Rudra Vrata 1986 falls on Friday 5 September. Pratipadā runs from 16:10 on Thu 4 Sep to 15:34 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rudra-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 470, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-09-07T13:15:29+09:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "end": { "local": "1986-09-08T11:40:22+09:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-07T13:15:29+09:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "end": { "local": "1986-09-08T11:40:22+09:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-07", "window": { "start": { "local": "1986-09-07T13:23:19+09:00", "utc": "1986-09-07T04:23:19Z", "ms": 526450999161.02905 }, "end": { "local": "1986-09-07T14:11:19+09:00", "utc": "1986-09-07T05:11:19Z", "ms": 526453879161.02905 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-08", "window": { "start": { "local": "1986-09-08T13:22:59+09:00", "utc": "1986-09-08T04:22:59Z", "ms": 526537378773.4399 }, "end": { "local": "1986-09-08T14:10:59+09:00", "utc": "1986-09-08T05:10:59Z", "ms": 526540258773.4399 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:15 on Sun 7 Sep to 11:40 on Mon 8 Sep.", "fact": "1986-09-07T04:15:29Z → 1986-09-08T02:40:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:23–14:11 on the 7th, 13:23–14:11 on the 8th.", "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 7th and 0 of 48 on the 8th.", "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 470 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Qingyang, 1986: Sunday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Gaṇeśa Caturthī 1986 falls on Sunday 7 September. Caturthī runs from 13:15 on Sun 7 Sep to 11:40 on Mon 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/ganesha-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 470, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1986-09-06T14:34:38+09:00", "utc": "1986-09-06T05:34:38Z", "ms": 526368878111.68463 }, "end": { "local": "1986-09-07T13:15:29+09:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-06T14:34:38+09:00", "utc": "1986-09-06T05:34:38Z", "ms": 526368878111.68463 }, "end": { "local": "1986-09-07T13:15:29+09:00", "utc": "1986-09-07T04:15:29Z", "ms": 526450529012.3321 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-06", "window": { "start": { "local": "1986-09-06T13:23:39+09:00", "utc": "1986-09-06T04:23:39Z", "ms": 526364619343.2508 }, "end": { "local": "1986-09-06T14:11:39+09:00", "utc": "1986-09-06T05:11:39Z", "ms": 526367499343.2508 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-07", "window": { "start": { "local": "1986-09-07T13:23:19+09:00", "utc": "1986-09-07T04:23:19Z", "ms": 526450999161.02905 }, "end": { "local": "1986-09-07T14:11:19+09:00", "utc": "1986-09-07T05:11:19Z", "ms": 526453879161.02905 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:35 on Sat 6 Sep to 13:15 on Sun 7 Sep.", "fact": "1986-09-06T05:34:38Z → 1986-09-07T04:15:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:24–14:12 on the 6th, 13:23–14:11 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 470 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Qingyang, 1986: Sunday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-07", "confidence": "determinate" } ], "quote": "In Qingyang, Haritālikā Vrata (Hartalika Teej) 1986 falls on Sunday 7 September. Tṛtīyā runs from 14:35 on Sat 6 Sep to 13:15 on Sun 7 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/haritalika-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6157, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-09-08T11:40:22+09:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "end": { "local": "1986-09-09T09:52:14+09:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-08T11:40:22+09:00", "utc": "1986-09-08T02:40:22Z", "ms": 526531221537.7265 }, "end": { "local": "1986-09-09T09:52:14+09:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-08", "window": { "start": { "local": "1986-09-08T13:22:59+09:00", "utc": "1986-09-08T04:22:59Z", "ms": 526537378773.4399 }, "end": { "local": "1986-09-08T14:10:59+09:00", "utc": "1986-09-08T05:10:59Z", "ms": 526540258773.4399 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-09", "window": { "start": { "local": "1986-09-09T13:22:38+09:00", "utc": "1986-09-09T04:22:38Z", "ms": 526623758195.9629 }, "end": { "local": "1986-09-09T14:10:38+09:00", "utc": "1986-09-09T05:10:38Z", "ms": 526626638195.9629 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:40 on Mon 8 Sep to 09:52 on Tue 9 Sep.", "fact": "1986-09-08T02:40:22Z → 1986-09-09T00:52:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:23–14:11 on the 8th, 13:23–14:11 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 6157 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Qingyang, 1986: Monday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-08", "confidence": "determinate" } ], "quote": "In Qingyang, Ṛṣi Pañcamī 1986 falls on Monday 8 September. Pañcamī runs from 11:40 on Mon 8 Sep to 09:52 on Tue 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/rishi-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12624, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-09-09T09:52:14+09:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "end": { "local": "1986-09-10T07:53:36+09:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-09T09:52:14+09:00", "utc": "1986-09-09T00:52:14Z", "ms": 526611134276.05304 }, "end": { "local": "1986-09-10T07:53:36+09:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-09", "window": { "start": { "local": "1986-09-09T13:22:38+09:00", "utc": "1986-09-09T04:22:38Z", "ms": 526623758195.9629 }, "end": { "local": "1986-09-09T14:10:38+09:00", "utc": "1986-09-09T05:10:38Z", "ms": 526626638195.9629 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-10", "window": { "start": { "local": "1986-09-10T13:22:17+09:00", "utc": "1986-09-10T04:22:17Z", "ms": 526710137444.969 }, "end": { "local": "1986-09-10T14:10:17+09:00", "utc": "1986-09-10T05:10:17Z", "ms": 526713017444.969 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:52 on Tue 9 Sep to 07:54 on Wed 10 Sep.", "fact": "1986-09-09T00:52:14Z → 1986-09-09T22:53:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:23–14:11 on the 9th, 13:22–14:10 on the 10th.", "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 9th and 0 of 48 on the 10th.", "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 12624 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Qingyang, 1986: Tuesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-09", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Bhādrapada) 1986 falls on Tuesday 9 September. Ṣaṣṭhī runs from 09:52 on Tue 9 Sep to 07:54 on Wed 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/surya-shashthi-bhadrapada", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19721, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-09-10T07:53:36+09:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "end": { "local": "1986-09-11T05:46:42+09:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-10T07:53:36+09:00", "utc": "1986-09-09T22:53:36Z", "ms": 526690416327.55725 }, "end": { "local": "1986-09-11T05:46:42+09:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-10", "window": { "start": { "local": "1986-09-10T13:22:17+09:00", "utc": "1986-09-10T04:22:17Z", "ms": 526710137444.969 }, "end": { "local": "1986-09-10T14:10:17+09:00", "utc": "1986-09-10T05:10:17Z", "ms": 526713017444.969 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-11", "window": { "start": { "local": "1986-09-11T13:21:57+09:00", "utc": "1986-09-11T04:21:57Z", "ms": 526796516537.84705 }, "end": { "local": "1986-09-11T14:09:57+09:00", "utc": "1986-09-11T05:09:57Z", "ms": 526799396537.84705 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:54 on Wed 10 Sep to 05:47 on Thu 11 Sep.", "fact": "1986-09-09T22:53:36Z → 1986-09-10T20:46:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 10th, 13:22–14:10 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19721 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Qingyang, 1986: Wednesday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-10", "confidence": "determinate" } ], "quote": "In Qingyang, Muktābharaṇa Vrata 1986 falls on Wednesday 10 September. Saptamī runs from 07:54 on Wed 10 Sep to 05:47 on Thu 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/muktabharana-vrata", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27315, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-11T05:46:42+09:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "end": { "local": "1986-09-12T03:33:49+09:00", "utc": "1986-09-11T18:33:49Z", "ms": 526847628553.0733 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-11T05:46:42+09:00", "utc": "1986-09-10T20:46:42Z", "ms": 526769201654.3151 }, "end": { "local": "1986-09-12T03:33:49+09:00", "utc": "1986-09-11T18:33:49Z", "ms": 526847628553.0733 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-11", "window": { "start": { "local": "1986-09-11T13:21:57+09:00", "utc": "1986-09-11T04:21:57Z", "ms": 526796516537.84705 }, "end": { "local": "1986-09-11T14:09:57+09:00", "utc": "1986-09-11T05:09:57Z", "ms": 526799396537.84705 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-09-12", "window": { "start": { "local": "1986-09-12T13:21:35+09:00", "utc": "1986-09-12T04:21:35Z", "ms": 526882895493.0459 }, "end": { "local": "1986-09-12T14:09:35+09:00", "utc": "1986-09-12T05:09:35Z", "ms": 526885775493.0459 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:47 on Thu 11 Sep to 03:34 on Fri 12 Sep.", "fact": "1986-09-10T20:46:42Z → 1986-09-11T18:33:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:22–14:10 on the 11th, 13:22–14:10 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27315 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Qingyang, 1986: Thursday 11 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": "1986-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-11", "confidence": "determinate" } ], "quote": "In Qingyang, Rādhāṣṭamī 1986 falls on Thursday 11 September. Aṣṭamī runs from 05:47 on Thu 11 Sep to 03:34 on Fri 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/radhashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-09-14", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30560, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-09-13T23:01:37+09:00", "utc": "1986-09-13T14:01:37Z", "ms": 527004096668.89246 }, "end": { "local": "1986-09-14T19:49:51+08:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-13T23:01:37+09:00", "utc": "1986-09-13T14:01:37Z", "ms": 527004096668.89246 }, "end": { "local": "1986-09-14T19:49:51+08:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-09-14", "window": { "start": { "local": "1986-09-14T06:30:56+08:00", "utc": "1986-09-13T22:30:56Z", "ms": 527034656227.69885 }, "end": { "local": "1986-09-14T06:30:56+08:00", "utc": "1986-09-13T22:30:56Z", "ms": 527034656227.69885 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-09-15", "window": { "start": { "local": "1986-09-15T06:31:42+08:00", "utc": "1986-09-14T22:31:42Z", "ms": 527121101544.425 }, "end": { "local": "1986-09-15T06:31:42+08:00", "utc": "1986-09-14T22:31:42Z", "ms": 527121101544.425 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:02 on Sat 13 Sep to 19:50 on Sun 14 Sep.", "fact": "1986-09-13T14:01:37Z → 1986-09-14T11:49:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 14th and 06:32 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30560 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Qingyang, 1986: Sunday 14 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": "1986-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-14", "confidence": "determinate" } ], "quote": "In Qingyang, Parivartanī Ekādaśī 1986 falls on Sunday 14 September. Ekādaśī runs from 23:02 on Sat 13 Sep to 19:50 on Sun 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16731, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-09-14T19:49:51+08:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "end": { "local": "1986-09-15T17:47:23+08:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-14T19:49:51+08:00", "utc": "1986-09-14T11:49:51Z", "ms": 527082591168.302 }, "end": { "local": "1986-09-15T17:47:23+08:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-09-14", "window": { "start": { "local": "1986-09-14T12:20:53+08:00", "utc": "1986-09-14T04:20:53Z", "ms": 527055653070.14966 }, "end": { "local": "1986-09-14T13:08:53+08:00", "utc": "1986-09-14T05:08:53Z", "ms": 527058533070.14966 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-09-15", "window": { "start": { "local": "1986-09-15T12:20:32+08:00", "utc": "1986-09-15T04:20:32Z", "ms": 527142031734.7252 }, "end": { "local": "1986-09-15T13:08:32+08:00", "utc": "1986-09-15T05:08:32Z", "ms": 527144911734.7252 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:50 on Sun 14 Sep to 17:47 on Mon 15 Sep.", "fact": "1986-09-14T11:49:51Z → 1986-09-15T09:47:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 14th, 12:21–13:09 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16731 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Qingyang, 1986: Monday 15 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": "1986-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-15", "confidence": "determinate" } ], "quote": "In Qingyang, Vāmana Jayantī 1986 falls on Monday 15 September. Dvādaśī runs from 19:50 on Sun 14 Sep to 17:47 on Mon 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vamana-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-09-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4199, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-09-15T17:47:23+08:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "end": { "local": "1986-09-16T15:59:51+08:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-15T17:47:23+08:00", "utc": "1986-09-15T09:47:23Z", "ms": 527161642678.5187 }, "end": { "local": "1986-09-16T15:59:51+08:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-15", "window": { "start": { "local": "1986-09-15T18:57:22+08:00", "utc": "1986-09-15T10:57:22Z", "ms": 527165841925.02545 }, "end": { "local": "1986-09-15T20:30:03+08:00", "utc": "1986-09-15T12:30:03Z", "ms": 527171402586.5679 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1986-09-16", "window": { "start": { "local": "1986-09-16T18:55:54+08:00", "utc": "1986-09-16T10:55:54Z", "ms": 527252153805.12604 }, "end": { "local": "1986-09-16T20:28:52+08:00", "utc": "1986-09-16T12:28:52Z", "ms": 527257732267.26776 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:47 on Mon 15 Sep to 16:00 on Tue 16 Sep.", "fact": "1986-09-15T09:47:23Z → 1986-09-16T07:59:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:30 on the 15th, 18:56–20:29 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 15th and 0 of 93 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4199 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Monday 15 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": "1986-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Monday 15 September. Trayodaśī runs from 17:47 on Mon 15 Sep to 16:00 on Tue 16 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19912, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-09-16T15:59:51+08:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "end": { "local": "1986-09-17T14:33:18+08:00", "utc": "1986-09-17T06:33:18Z", "ms": 527322798441.87024 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1986-09-16T15:59:51+08:00", "utc": "1986-09-16T07:59:51Z", "ms": 527241590986.8154 }, "end": { "local": "1986-09-17T14:33:18+08:00", "utc": "1986-09-17T06:33:18Z", "ms": 527322798441.87024 } }, "kaala": "udaya-3", "days": [ { "local_date": "1986-09-16", "window": { "start": { "local": "1986-09-16T06:32:27+08:00", "utc": "1986-09-15T22:32:27Z", "ms": 527207546886.5934 }, "end": { "local": "1986-09-16T09:01:08+08:00", "utc": "1986-09-16T01:01:08Z", "ms": 527216468270.2999 } }, "covered_min": 0, "window_min": 149, "qualifies": false }, { "local_date": "1986-09-17", "window": { "start": { "local": "1986-09-17T06:33:12+08:00", "utc": "1986-09-16T22:33:12Z", "ms": 527293992271.18896 }, "end": { "local": "1986-09-17T09:01:27+08:00", "utc": "1986-09-17T01:01:27Z", "ms": 527302886933.75806 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:00 on Tue 16 Sep to 14:33 on Wed 17 Sep.", "fact": "1986-09-16T07:59:51Z → 1986-09-17T06:33:18Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:32–09:01 on the 16th, 06:33–09:01 on the 17th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 149 minutes on the 16th and 148 of 148 on the 17th.", "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 19912 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Qingyang, 1986: Wednesday 17 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": "1986-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-17", "confidence": "determinate" } ], "quote": "In Qingyang, Ananta Caturdaśī 1986 falls on Wednesday 17 September. Caturdaśī runs from 16:00 on Tue 16 Sep to 14:33 on Wed 17 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1986/ananta-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-09-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19623, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-09-21T14:02:09+08:00", "utc": "1986-09-21T06:02:09Z", "ms": 527666529295.8199 }, "end": { "local": "1986-09-22T15:25:26+08:00", "utc": "1986-09-22T07:25:26Z", "ms": 527757926285.5167 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-21T14:02:09+08:00", "utc": "1986-09-21T06:02:09Z", "ms": 527666529295.8199 }, "end": { "local": "1986-09-22T15:25:26+08:00", "utc": "1986-09-22T07:25:26Z", "ms": 527757926285.5167 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-21", "window": { "start": { "local": "1986-09-21T20:23:21+08:00", "utc": "1986-09-21T12:23:21Z", "ms": 527689400900.3147 }, "end": { "local": "1986-09-21T20:23:21+08:00", "utc": "1986-09-21T12:23:21Z", "ms": 527689400900.3147 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-09-22", "window": { "start": { "local": "1986-09-22T20:52:29+08:00", "utc": "1986-09-22T12:52:29Z", "ms": 527777549461.90076 }, "end": { "local": "1986-09-22T20:52:29+08:00", "utc": "1986-09-22T12:52:29Z", "ms": 527777549461.90076 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:02 on Sun 21 Sep to 15:25 on Mon 22 Sep.", "fact": "1986-09-21T06:02:09Z → 1986-09-22T07:25:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 21st and 20:52 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "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 19623 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Sunday 21 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": "1986-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-21", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Sunday 21 September. Caturthī runs from 14:02 on Sun 21 Sep to 15:25 on Mon 22 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8834, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-09-23T17:20:03+08:00", "utc": "1986-09-23T09:20:03Z", "ms": 527851203406.5366 }, "end": { "local": "1986-09-24T19:37:02+08:00", "utc": "1986-09-24T11:37:02Z", "ms": 527945822113.6804 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-23T17:20:03+08:00", "utc": "1986-09-23T09:20:03Z", "ms": 527851203406.5366 }, "end": { "local": "1986-09-24T19:37:02+08:00", "utc": "1986-09-24T11:37:02Z", "ms": 527945822113.6804 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-23", "window": { "start": { "local": "1986-09-23T21:25:42+08:00", "utc": "1986-09-23T13:25:42Z", "ms": 527865942271.5453 }, "end": { "local": "1986-09-23T21:25:42+08:00", "utc": "1986-09-23T13:25:42Z", "ms": 527865942271.5453 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-09-24", "window": { "start": { "local": "1986-09-24T22:04:16+08:00", "utc": "1986-09-24T14:04:16Z", "ms": 527954656344.20953 }, "end": { "local": "1986-09-24T22:04:16+08:00", "utc": "1986-09-24T14:04:16Z", "ms": 527954656344.20953 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:20 on Tue 23 Sep to 19:37 on Wed 24 Sep.", "fact": "1986-09-23T09:20:03Z → 1986-09-24T11:37:02Z" }, { "step": "kaala", "text": "Moonrise is at 21:26 on the 23rd and 22:04 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 23rd and is not on the 24th.", "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 8834 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Qingyang, 1986: Tuesday 23 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": "1986-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-23", "confidence": "determinate" } ], "quote": "In Qingyang, Candra Ṣaṣṭhī 1986 falls on Tuesday 23 September. Ṣaṣṭhī runs from 17:20 on Tue 23 Sep to 19:37 on Wed 24 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/chandra-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-25", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2694, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-25T22:04:14+08:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-27T00:27:48+08:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-25T22:04:14+08:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-27T00:27:48+08:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-09-25", "window": { "start": { "local": "1986-09-25T22:49:08+08:00", "utc": "1986-09-25T14:49:08Z", "ms": 528043747976.42694 }, "end": { "local": "1986-09-25T22:49:08+08:00", "utc": "1986-09-25T14:49:08Z", "ms": 528043747976.42694 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-09-26", "window": { "start": { "local": "1986-09-26T23:40:28+08:00", "utc": "1986-09-26T15:40:28Z", "ms": 528133228081.1845 }, "end": { "local": "1986-09-26T23:40:28+08:00", "utc": "1986-09-26T15:40:28Z", "ms": 528133228081.1845 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:04 on Thu 25 Sep to 00:28 on Sat 27 Sep.", "fact": "1986-09-25T14:04:14Z → 1986-09-26T16:27:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:49 on the 25th and 23:40 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2694 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Qingyang, 1986: Thursday 25 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1986-09-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-25", "confidence": "boundary" } ], "quote": "In Qingyang, Mahālakṣmī Vrata Samāpana 1986 falls on Thursday 25 September. Aṣṭamī runs from 22:04 on Thu 25 Sep to 00:28 on Sat 27 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/mahalakshmi-vrata-samapana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6354, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-09-25T22:04:14+08:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-27T00:27:48+08:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-25T22:04:14+08:00", "utc": "1986-09-25T14:04:14Z", "ms": 528041053648.1122 }, "end": { "local": "1986-09-27T00:27:48+08:00", "utc": "1986-09-26T16:27:48Z", "ms": 528136067932.25726 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-25", "window": { "start": { "local": "1986-09-25T18:42:40+08:00", "utc": "1986-09-25T10:42:40Z", "ms": 528028959810.77264 }, "end": { "local": "1986-09-25T20:18:19+08:00", "utc": "1986-09-25T12:18:19Z", "ms": 528034699219.0852 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1986-09-26", "window": { "start": { "local": "1986-09-26T18:41:12+08:00", "utc": "1986-09-26T10:41:12Z", "ms": 528115272037.65765 }, "end": { "local": "1986-09-26T20:17:09+08:00", "utc": "1986-09-26T12:17:09Z", "ms": 528121029374.80426 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:04 on Thu 25 Sep to 00:28 on Sat 27 Sep.", "fact": "1986-09-25T14:04:14Z → 1986-09-26T16:27:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:18 on the 25th, 18:41–20:17 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 96 minutes on the 25th and 96 of 96 on the 26th.", "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 6354 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Qingyang, 1986: Friday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-26", "confidence": "determinate" } ], "quote": "In Qingyang, Jitāṣṭamī (Jitiya) 1986 falls on Friday 26 September. Aṣṭamī runs from 22:04 on Thu 25 Sep to 00:28 on Sat 27 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/jitashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-09-29", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5358, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-09-29T04:12:11+08:00", "utc": "1986-09-28T20:12:11Z", "ms": 528322330649.8693 }, "end": { "local": "1986-09-30T05:13:56+08:00", "utc": "1986-09-29T21:13:56Z", "ms": 528412435729.3018 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-09-29T04:12:11+08:00", "utc": "1986-09-28T20:12:11Z", "ms": 528322330649.8693 }, "end": { "local": "1986-09-30T05:13:56+08:00", "utc": "1986-09-29T21:13:56Z", "ms": 528412435729.3018 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-09-29", "window": { "start": { "local": "1986-09-29T06:42:26+08:00", "utc": "1986-09-28T22:42:26Z", "ms": 528331346081.3462 }, "end": { "local": "1986-09-29T06:42:26+08:00", "utc": "1986-09-28T22:42:26Z", "ms": 528331346081.3462 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-09-30", "window": { "start": { "local": "1986-09-30T06:43:13+08:00", "utc": "1986-09-29T22:43:13Z", "ms": 528417793424.01154 }, "end": { "local": "1986-09-30T06:43:13+08:00", "utc": "1986-09-29T22:43:13Z", "ms": 528417793424.01154 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:12 on Mon 29 Sep to 05:14 on Tue 30 Sep.", "fact": "1986-09-28T20:12:11Z → 1986-09-29T21:13:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 29th and 06:43 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5358 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Qingyang, 1986: Monday 29 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": "1986-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-09-29", "confidence": "determinate" } ], "quote": "In Qingyang, Indirā Ekādaśī 1986 falls on Monday 29 September. Ekādaśī runs from 04:12 on Mon 29 Sep to 05:14 on Tue 30 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-10-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32768, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-01T05:35:43+08:00", "utc": "1986-09-30T21:35:43Z", "ms": 528500143452.8475 }, "end": { "local": "1986-10-02T05:17:31+08:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-01T05:35:43+08:00", "utc": "1986-09-30T21:35:43Z", "ms": 528500143452.8475 }, "end": { "local": "1986-10-02T05:17:31+08:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-09-30", "window": { "start": { "local": "1986-09-30T18:35:23+08:00", "utc": "1986-09-30T10:35:23Z", "ms": 528460523217.34393 }, "end": { "local": "1986-09-30T20:12:32+08:00", "utc": "1986-09-30T12:12:32Z", "ms": 528466352255.36176 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1986-10-01", "window": { "start": { "local": "1986-10-01T18:33:57+08:00", "utc": "1986-10-01T10:33:57Z", "ms": 528546836724.603 }, "end": { "local": "1986-10-01T20:11:24+08:00", "utc": "1986-10-01T12:11:24Z", "ms": 528552683671.3615 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:36 on Wed 1 Oct to 05:18 on Thu 2 Oct.", "fact": "1986-09-30T21:35:43Z → 1986-10-01T21:17:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:13 on the 30th, 18:34–20:11 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 30th and 97 of 97 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32768 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Wednesday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-01", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Wednesday 1 October. Trayodaśī runs from 05:36 on Wed 1 Oct to 05:18 on Thu 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-10-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11949, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-02T05:17:31+08:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "end": { "local": "1986-10-03T04:22:13+08:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-02T05:17:31+08:00", "utc": "1986-10-01T21:17:31Z", "ms": 528585451266.6307 }, "end": { "local": "1986-10-03T04:22:13+08:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 } }, "kaala": "nishita", "days": [ { "local_date": "1986-10-01", "window": { "start": { "local": "1986-10-02T00:15:23+08:00", "utc": "1986-10-01T16:15:23Z", "ms": 528567322774.9474 }, "end": { "local": "1986-10-02T01:03:23+08:00", "utc": "1986-10-01T17:03:23Z", "ms": 528570202774.9474 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-02", "window": { "start": { "local": "1986-10-03T00:15:04+08:00", "utc": "1986-10-02T16:15:04Z", "ms": 528653703736.3677 }, "end": { "local": "1986-10-03T01:03:04+08:00", "utc": "1986-10-02T17:03:04Z", "ms": 528656583736.3677 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:18 on Thu 2 Oct to 04:22 on Fri 3 Oct.", "fact": "1986-10-01T21:17:31Z → 1986-10-02T20:22:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:15–01:03 on the 1st, 00:15–01:03 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 11949 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Thursday 2 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": "1986-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-02", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Thursday 2 October. Caturdaśī runs from 05:18 on Thu 2 Oct to 04:22 on Fri 3 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34000, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-10-03T04:22:13+08:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "end": { "local": "1986-10-04T02:54:46+08:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-03T04:22:13+08:00", "utc": "1986-10-02T20:22:13Z", "ms": 528668533203.9076 }, "end": { "local": "1986-10-04T02:54:46+08:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 } }, "kaala": "aparahna", "days": [ { "local_date": "1986-10-03", "window": { "start": { "local": "1986-10-03T13:48:54+08:00", "utc": "1986-10-03T05:48:54Z", "ms": 528702533634.55505 }, "end": { "local": "1986-10-03T16:09:59+08:00", "utc": "1986-10-03T08:09:59Z", "ms": 528710999213.00726 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1986-10-04", "window": { "start": { "local": "1986-10-04T13:48:22+08:00", "utc": "1986-10-04T05:48:22Z", "ms": 528788901735.4807 }, "end": { "local": "1986-10-04T16:09:01+08:00", "utc": "1986-10-04T08:09:01Z", "ms": 528797340570.5111 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 04:22 on Fri 3 Oct to 02:55 on Sat 4 Oct.", "fact": "1986-10-02T20:22:13Z → 1986-10-03T18:54:46Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:49–16:10 on the 3rd, 13:48–16:09 on the 4th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 141 of 141 minutes on the 3rd and 0 of 141 on the 4th.", "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 34000 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Qingyang, 1986: Friday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-03", "confidence": "determinate" } ], "quote": "In Qingyang, Mahālaya Amāvāsyā 1986 falls on Friday 3 October. Amāvasyā runs from 04:22 on Fri 3 Oct to 02:55 on Sat 4 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/mahalaya-amavasya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33557, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-10-04T02:54:46+08:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "end": { "local": "1986-10-05T01:01:17+08:00", "utc": "1986-10-04T17:01:17Z", "ms": 528829276946.6685 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-04T02:54:46+08:00", "utc": "1986-10-03T18:54:46Z", "ms": 528749685616.62067 }, "end": { "local": "1986-10-05T01:01:17+08:00", "utc": "1986-10-04T17:01:17Z", "ms": 528829276946.6685 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-04", "window": { "start": { "local": "1986-10-04T12:14:02+08:00", "utc": "1986-10-04T04:14:02Z", "ms": 528783242317.9655 }, "end": { "local": "1986-10-04T13:02:02+08:00", "utc": "1986-10-04T05:02:02Z", "ms": 528786122317.9655 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-05", "window": { "start": { "local": "1986-10-05T12:13:44+08:00", "utc": "1986-10-05T04:13:44Z", "ms": 528869624133.4894 }, "end": { "local": "1986-10-05T13:01:44+08:00", "utc": "1986-10-05T05:01:44Z", "ms": 528872504133.4894 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:55 on Sat 4 Oct to 01:01 on Sun 5 Oct.", "fact": "1986-10-03T18:54:46Z → 1986-10-04T17:01:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 4th, 12:14–13:02 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33557 s" }, { "step": "ruling", "text": "Navarātrārambha, Qingyang, 1986: Saturday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-04", "confidence": "determinate" } ], "quote": "In Qingyang, Navarātrārambha (Navratri) 1986 falls on Saturday 4 October. Pratipadā runs from 02:55 on Sat 4 Oct to 01:01 on Sun 5 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/navaratra-arambha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-10-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17403, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-06T20:22:58+08:00", "utc": "1986-10-06T12:22:58Z", "ms": 528985378095.07794 }, "end": { "local": "1986-10-07T17:51:12+08:00", "utc": "1986-10-07T09:51:12Z", "ms": 529062672000.27075 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-06T20:22:58+08:00", "utc": "1986-10-06T12:22:58Z", "ms": 528985378095.07794 }, "end": { "local": "1986-10-07T17:51:12+08:00", "utc": "1986-10-07T09:51:12Z", "ms": 529062672000.27075 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-06", "window": { "start": { "local": "1986-10-06T12:13:26+08:00", "utc": "1986-10-06T04:13:26Z", "ms": 528956006307.7682 }, "end": { "local": "1986-10-06T13:01:26+08:00", "utc": "1986-10-06T05:01:26Z", "ms": 528958886307.7682 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-10-07", "window": { "start": { "local": "1986-10-07T12:13:09+08:00", "utc": "1986-10-07T04:13:09Z", "ms": 529042388856.6679 }, "end": { "local": "1986-10-07T13:01:09+08:00", "utc": "1986-10-07T05:01:09Z", "ms": 529045268856.6679 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:23 on Mon 6 Oct to 17:51 on Tue 7 Oct.", "fact": "1986-10-06T12:22:58Z → 1986-10-07T09:51:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 6th, 12:13–13:01 on the 7th.", "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 6th and 48 of 48 on the 7th.", "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 17403 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Tuesday 7 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": "1986-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-07", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Tuesday 7 October. Caturthī runs from 20:23 on Mon 6 Oct to 17:51 on Tue 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10539, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-10-09T12:51:26+08:00", "utc": "1986-10-09T04:51:26Z", "ms": 529217485992.66754 }, "end": { "local": "1986-10-10T10:32:59+08:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-09T12:51:26+08:00", "utc": "1986-10-09T04:51:26Z", "ms": 529217485992.66754 }, "end": { "local": "1986-10-10T10:32:59+08:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 } }, "kaala": "udaya-1", "days": [ { "local_date": "1986-10-09", "window": { "start": { "local": "1986-10-09T06:50:31+08:00", "utc": "1986-10-08T22:50:31Z", "ms": 529195830915.87085 }, "end": { "local": "1986-10-09T07:36:39+08:00", "utc": "1986-10-08T23:36:39Z", "ms": 529198599479.5687 } }, "covered_min": 0, "window_min": 46, "qualifies": false }, { "local_date": "1986-10-10", "window": { "start": { "local": "1986-10-10T06:51:21+08:00", "utc": "1986-10-09T22:51:21Z", "ms": 529282280889.9936 }, "end": { "local": "1986-10-10T07:37:21+08:00", "utc": "1986-10-09T23:37:21Z", "ms": 529285040626.7829 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:51 on Thu 9 Oct to 10:33 on Fri 10 Oct.", "fact": "1986-10-09T04:51:26Z → 1986-10-10T02:32:59Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:51–07:37 on the 9th, 06:51–07:37 on the 10th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 46 minutes on the 9th and 46 of 46 on the 10th.", "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 10539 s" }, { "step": "ruling", "text": "Durgā Saptamī, Qingyang, 1986: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Saptamī 1986 falls on Friday 10 October. Saptamī runs from 12:51 on Thu 9 Oct to 10:33 on Fri 10 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/qingyang/festivals/1986/durga-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5960, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-10-10T10:32:59+08:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "end": { "local": "1986-10-11T08:27:20+08:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-10T10:32:59+08:00", "utc": "1986-10-10T02:32:59Z", "ms": 529295579173.4066 }, "end": { "local": "1986-10-11T08:27:20+08:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-10", "window": { "start": { "local": "1986-10-10T12:12:19+08:00", "utc": "1986-10-10T04:12:19Z", "ms": 529301538915.9135 }, "end": { "local": "1986-10-10T13:00:19+08:00", "utc": "1986-10-10T05:00:19Z", "ms": 529304418915.9135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-11", "window": { "start": { "local": "1986-10-11T12:12:03+08:00", "utc": "1986-10-11T04:12:03Z", "ms": 529387923131.66223 }, "end": { "local": "1986-10-11T13:00:03+08:00", "utc": "1986-10-11T05:00:03Z", "ms": 529390803131.66223 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:33 on Fri 10 Oct to 08:27 on Sat 11 Oct.", "fact": "1986-10-10T02:32:59Z → 1986-10-11T00:27:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 10th, 12:12–13:00 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5960 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Qingyang, 1986: Friday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-10", "confidence": "determinate" } ], "quote": "In Qingyang, Mahāṣṭamī (Durga Ashtami) 1986 falls on Friday 10 October. Aṣṭamī runs from 10:33 on Fri 10 Oct to 08:27 on Sat 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/mahashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13483, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-10-11T08:27:20+08:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "end": { "local": "1986-10-12T06:37:33+08:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-11T08:27:20+08:00", "utc": "1986-10-11T00:27:20Z", "ms": 529374439836.9099 }, "end": { "local": "1986-10-12T06:37:33+08:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-10-11", "window": { "start": { "local": "1986-10-11T12:12:03+08:00", "utc": "1986-10-11T04:12:03Z", "ms": 529387923131.66223 }, "end": { "local": "1986-10-11T13:00:03+08:00", "utc": "1986-10-11T05:00:03Z", "ms": 529390803131.66223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-10-12", "window": { "start": { "local": "1986-10-12T12:11:48+08:00", "utc": "1986-10-12T04:11:48Z", "ms": 529474307810.07434 }, "end": { "local": "1986-10-12T12:59:48+08:00", "utc": "1986-10-12T04:59:48Z", "ms": 529477187810.07434 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:27 on Sat 11 Oct to 06:38 on Sun 12 Oct.", "fact": "1986-10-11T00:27:20Z → 1986-10-11T22:37:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 11th, 12:12–13:00 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13483 s" }, { "step": "ruling", "text": "Mahānavamī, Qingyang, 1986: Saturday 11 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": "1986-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-11", "confidence": "determinate" } ], "quote": "In Qingyang, Mahānavamī 1986 falls on Saturday 11 October. Navamī runs from 08:27 on Sat 11 Oct to 06:38 on Sun 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/mahanavami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 929, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1986-10-12T06:37:33+08:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "end": { "local": "1986-10-13T05:06:14+08:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1986-10-12T06:37:33+08:00", "utc": "1986-10-11T22:37:33Z", "ms": 529454252658.15765 }, "end": { "local": "1986-10-13T01:11:22+08:00", "utc": "1986-10-12T17:11:22Z", "ms": 529521082190.4717 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1986-10-12T02:03:45+08:00", "utc": "1986-10-11T18:03:45Z", "ms": 529437825032.89557 }, "end": { "local": "1986-10-13T01:11:22+08:00", "utc": "1986-10-12T17:11:22Z", "ms": 529521082190.4717 } } }, "kaala": "daytime", "days": [ { "local_date": "1986-10-12", "window": { "start": { "local": "1986-10-12T06:53:02+08:00", "utc": "1986-10-11T22:53:02Z", "ms": 529455181718.6874 }, "end": { "local": "1986-10-12T18:18:34+08:00", "utc": "1986-10-12T10:18:34Z", "ms": 529496313901.4613 } }, "covered_min": 686, "window_min": 686, "qualifies": true }, { "local_date": "1986-10-13", "window": { "start": { "local": "1986-10-13T06:53:53+08:00", "utc": "1986-10-12T22:53:53Z", "ms": 529541632588.1829 }, "end": { "local": "1986-10-13T18:17:13+08:00", "utc": "1986-10-13T10:17:13Z", "ms": 529582633354.08527 } }, "covered_min": 0, "window_min": 683, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 06:38 on Sun 12 Oct to 05:06 on Mon 13 Oct, and Śravaṇa from 02:04 on Sun 12 Oct to 01:11 on Mon 13 Oct. They are together from 06:38 on Sun 12 Oct to 01:11 on Mon 13 Oct.", "fact": "1986-10-11T22:37:33Z → 1986-10-12T17:11:22Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:53–18:19 on the 12th, 06:54–18:17 on the 13th.", "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 686 of 686 minutes on the 12th and 0 of 683 on the 13th.", "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 929 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Qingyang, 1986: Sunday 12 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": "1986-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-12", "confidence": "determinate" } ], "quote": "In Qingyang, Vijayā Daśamī (Dussehra) 1986 falls on Sunday 12 October. Daśamī runs from 06:38 on Sun 12 Oct to 05:06 on Mon 13 Oct and is with Śravaṇa in the day time that day, for 686 minutes.", "cite": "https://ahargana.org/qingyang/festivals/1986/vijaya-dashami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-10-13", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6459, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-10-13T05:06:14+08:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "end": { "local": "1986-10-14T03:55:41+08:00", "utc": "1986-10-13T19:55:41Z", "ms": 529617340621.1091 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-13T05:06:14+08:00", "utc": "1986-10-12T21:06:14Z", "ms": 529535173754.4273 }, "end": { "local": "1986-10-14T03:55:41+08:00", "utc": "1986-10-13T19:55:41Z", "ms": 529617340621.1091 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-10-13", "window": { "start": { "local": "1986-10-13T06:53:53+08:00", "utc": "1986-10-12T22:53:53Z", "ms": 529541632588.1829 }, "end": { "local": "1986-10-13T06:53:53+08:00", "utc": "1986-10-12T22:53:53Z", "ms": 529541632588.1829 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-14", "window": { "start": { "local": "1986-10-14T06:54:44+08:00", "utc": "1986-10-13T22:54:44Z", "ms": 529628083772.58844 }, "end": { "local": "1986-10-14T06:54:44+08:00", "utc": "1986-10-13T22:54:44Z", "ms": 529628083772.58844 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:06 on Mon 13 Oct to 03:56 on Tue 14 Oct.", "fact": "1986-10-12T21:06:14Z → 1986-10-13T19:55:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 13th and 06:55 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6459 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Qingyang, 1986: Monday 13 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": "1986-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-13", "confidence": "determinate" } ], "quote": "In Qingyang, Pāśāṅkuśā Ekādaśī 1986 falls on Monday 13 October. Ekādaśī runs from 05:06 on Mon 13 Oct to 03:56 on Tue 14 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-10-15", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24546, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-15T03:08:01+08:00", "utc": "1986-10-14T19:08:01Z", "ms": 529700880744.3258 }, "end": { "local": "1986-10-16T02:45:16+08:00", "utc": "1986-10-15T18:45:16Z", "ms": 529785915786.87683 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1986-10-15T03:08:01+08:00", "utc": "1986-10-14T19:08:01Z", "ms": 529700880744.3258 }, "end": { "local": "1986-10-16T02:45:16+08:00", "utc": "1986-10-15T18:45:16Z", "ms": 529785915786.87683 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-14", "window": { "start": { "local": "1986-10-14T18:15:53+08:00", "utc": "1986-10-14T10:15:53Z", "ms": 529668953498.2892 }, "end": { "local": "1986-10-14T19:57:11+08:00", "utc": "1986-10-14T11:57:11Z", "ms": 529675031069.3573 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1986-10-15", "window": { "start": { "local": "1986-10-15T18:14:34+08:00", "utc": "1986-10-15T10:14:34Z", "ms": 529755274366.71704 }, "end": { "local": "1986-10-15T19:56:09+08:00", "utc": "1986-10-15T11:56:09Z", "ms": 529761369401.01276 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:08 on Wed 15 Oct to 02:45 on Thu 16 Oct.", "fact": "1986-10-14T19:08:01Z → 1986-10-15T18:45:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:57 on the 14th, 18:15–19:56 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 14th and 102 of 102 on the 15th.", "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 24546 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Wednesday 15 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-15", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Wednesday 15 October. Trayodaśī runs from 03:08 on Wed 15 Oct to 02:45 on Thu 16 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38273, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-21T07:48:22+08:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-22T10:04:33+08:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-21T07:48:22+08:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-22T10:04:33+08:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-21", "window": { "start": { "local": "1986-10-21T20:00:03+08:00", "utc": "1986-10-21T12:00:03Z", "ms": 530280002920.39734 }, "end": { "local": "1986-10-21T20:00:03+08:00", "utc": "1986-10-21T12:00:03Z", "ms": 530280002920.39734 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-22", "window": { "start": { "local": "1986-10-22T20:42:26+08:00", "utc": "1986-10-22T12:42:26Z", "ms": 530368945616.11725 }, "end": { "local": "1986-10-22T20:42:26+08:00", "utc": "1986-10-22T12:42:26Z", "ms": 530368945616.11725 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct.", "fact": "1986-10-20T23:48:22Z → 1986-10-22T02:04:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 21st and 20:42 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "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 38273 s" }, { "step": "ruling", "text": "Karaka Caturthī, Qingyang, 1986: Tuesday 21 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": "1986-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Karaka Caturthī (Karwa Chauth) 1986 falls on Tuesday 21 October. Caturthī runs from 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/karaka-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-10-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38273, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-10-21T07:48:22+08:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-22T10:04:33+08:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-21T07:48:22+08:00", "utc": "1986-10-20T23:48:22Z", "ms": 530236102397.941 }, "end": { "local": "1986-10-22T10:04:33+08:00", "utc": "1986-10-22T02:04:33Z", "ms": 530330673039.96484 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-21", "window": { "start": { "local": "1986-10-21T20:00:03+08:00", "utc": "1986-10-21T12:00:03Z", "ms": 530280002920.39734 }, "end": { "local": "1986-10-21T20:00:03+08:00", "utc": "1986-10-21T12:00:03Z", "ms": 530280002920.39734 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-22", "window": { "start": { "local": "1986-10-22T20:42:26+08:00", "utc": "1986-10-22T12:42:26Z", "ms": 530368945616.11725 }, "end": { "local": "1986-10-22T20:42:26+08:00", "utc": "1986-10-22T12:42:26Z", "ms": 530368945616.11725 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct.", "fact": "1986-10-20T23:48:22Z → 1986-10-22T02:04:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 21st and 20:42 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "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 38273 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Tuesday 21 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": "1986-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-21", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Tuesday 21 October. Caturthī runs from 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18329, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-10-25T17:23:32+08:00", "utc": "1986-10-25T09:23:32Z", "ms": 530616212361.21765 }, "end": { "local": "1986-10-26T19:20:16+08:00", "utc": "1986-10-26T11:20:16Z", "ms": 530709616037.43994 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-25T17:23:32+08:00", "utc": "1986-10-25T09:23:32Z", "ms": 530616212361.21765 }, "end": { "local": "1986-10-26T19:20:16+08:00", "utc": "1986-10-26T11:20:16Z", "ms": 530709616037.43994 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-10-25", "window": { "start": { "local": "1986-10-25T23:24:24+08:00", "utc": "1986-10-25T15:24:24Z", "ms": 530637863759.29755 }, "end": { "local": "1986-10-25T23:24:24+08:00", "utc": "1986-10-25T15:24:24Z", "ms": 530637863759.29755 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-26", "window": { "start": { "local": "1986-10-27T00:25:45+08:00", "utc": "1986-10-26T16:25:45Z", "ms": 530727945104.6567 }, "end": { "local": "1986-10-27T00:25:45+08:00", "utc": "1986-10-26T16:25:45Z", "ms": 530727945104.6567 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:24 on Sat 25 Oct to 19:20 on Sun 26 Oct.", "fact": "1986-10-25T09:23:32Z → 1986-10-26T11:20:16Z" }, { "step": "kaala", "text": "Moonrise is at 23:24 on the 25th and 00:26 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 25th and is not on the 26th.", "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 18329 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Qingyang, 1986: Saturday 25 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": "1986-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-25", "confidence": "determinate" } ], "quote": "In Qingyang, Ahoyī Aṣṭamī 1986 falls on Saturday 25 October. Aṣṭamī runs from 17:24 on Sat 25 Oct to 19:20 on Sun 26 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ahoyi-ashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-10-29", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35068, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-10-28T21:23:47+08:00", "utc": "1986-10-28T13:23:47Z", "ms": 530889826599.92664 }, "end": { "local": "1986-10-29T21:18:41+08:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-28T21:23:47+08:00", "utc": "1986-10-28T13:23:47Z", "ms": 530889826599.92664 }, "end": { "local": "1986-10-29T21:18:41+08:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-10-29", "window": { "start": { "local": "1986-10-29T07:08:14+08:00", "utc": "1986-10-28T23:08:14Z", "ms": 530924894250.75146 }, "end": { "local": "1986-10-29T07:08:14+08:00", "utc": "1986-10-28T23:08:14Z", "ms": 530924894250.75146 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T07:09:11+08:00", "utc": "1986-10-29T23:09:11Z", "ms": 531011351210.44806 }, "end": { "local": "1986-10-30T07:09:11+08:00", "utc": "1986-10-29T23:09:11Z", "ms": 531011351210.44806 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:24 on Tue 28 Oct to 21:19 on Wed 29 Oct.", "fact": "1986-10-28T13:23:47Z → 1986-10-29T13:18:41Z" }, { "step": "kaala", "text": "Sunrise is at 07:08 on the 29th and 07:09 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35068 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Qingyang, 1986: Wednesday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-29", "confidence": "determinate" } ], "quote": "In Qingyang, Ramā Ekādaśī 1986 falls on Wednesday 29 October. Ekādaśī runs from 21:24 on Tue 28 Oct to 21:19 on Wed 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2706, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-10-29T21:18:41+08:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "end": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-29T21:18:41+08:00", "utc": "1986-10-29T13:18:41Z", "ms": 530975920638.6256 }, "end": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-29", "window": { "start": { "local": "1986-10-29T17:57:41+08:00", "utc": "1986-10-29T09:57:41Z", "ms": 530963861109.55145 }, "end": { "local": "1986-10-29T19:43:13+08:00", "utc": "1986-10-29T11:43:13Z", "ms": 530970193123.00433 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T17:56:37+08:00", "utc": "1986-10-30T09:56:37Z", "ms": 531050196813.0862 }, "end": { "local": "1986-10-30T19:42:25+08:00", "utc": "1986-10-30T11:42:25Z", "ms": 531056545038.65674 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:19 on Wed 29 Oct to 20:28 on Thu 30 Oct.", "fact": "1986-10-29T13:18:41Z → 1986-10-30T12:27:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:43 on the 29th, 17:57–19:42 on the 30th.", "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 106 minutes on the 29th and 106 of 106 on the 30th.", "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 2706 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Qingyang, 1986: Thursday 30 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": "1986-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-30", "confidence": "determinate" } ], "quote": "In Qingyang, Govatsa Dvādaśī (Vasu Baras) 1986 falls on Thursday 30 October. Dvādaśī runs from 21:19 on Wed 29 Oct to 20:28 on Thu 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/govatsa-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2706, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T17:56:37+08:00", "utc": "1986-10-30T09:56:37Z", "ms": 531050196813.0862 }, "end": { "local": "1986-10-30T19:42:25+08:00", "utc": "1986-10-30T11:42:25Z", "ms": 531056545038.65674 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T17:55:34+08:00", "utc": "1986-10-31T09:55:34Z", "ms": 531136533765.6336 }, "end": { "local": "1986-10-31T19:41:38+08:00", "utc": "1986-10-31T11:41:38Z", "ms": 531142898079.51984 } }, "covered_min": 58, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:28 on Thu 30 Oct to 18:54 on Fri 31 Oct.", "fact": "1986-10-30T12:27:31Z → 1986-10-31T10:53:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:42 on the 30th, 17:56–19:42 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 30th and 58 of 106 on the 31st.", "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 2706 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Qingyang, 1986: Friday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-31", "confidence": "boundary" } ], "quote": "In Qingyang, Yama Dīpadāna 1986 falls on Friday 31 October. Trayodaśī runs from 20:28 on Thu 30 Oct to 18:54 on Fri 31 Oct and covers 58 of 106 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/yama-dipadana", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-10-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2706, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-30T20:27:31+08:00", "utc": "1986-10-30T12:27:31Z", "ms": 531059250978.58563 }, "end": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-10-30", "window": { "start": { "local": "1986-10-30T17:56:37+08:00", "utc": "1986-10-30T09:56:37Z", "ms": 531050196813.0862 }, "end": { "local": "1986-10-30T19:42:25+08:00", "utc": "1986-10-30T11:42:25Z", "ms": 531056545038.65674 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T17:55:34+08:00", "utc": "1986-10-31T09:55:34Z", "ms": 531136533765.6336 }, "end": { "local": "1986-10-31T19:41:38+08:00", "utc": "1986-10-31T11:41:38Z", "ms": 531142898079.51984 } }, "covered_min": 58, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:28 on Thu 30 Oct to 18:54 on Fri 31 Oct.", "fact": "1986-10-30T12:27:31Z → 1986-10-31T10:53:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:42 on the 30th, 17:56–19:42 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 30th and 58 of 106 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2706 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Friday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-31", "confidence": "boundary" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Friday 31 October. Trayodaśī runs from 20:28 on Thu 30 Oct to 18:54 on Fri 31 Oct and covers 58 of 106 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-10-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18949, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 } }, "kaala": "nishita", "days": [ { "local_date": "1986-10-31", "window": { "start": { "local": "1986-11-01T00:09:20+08:00", "utc": "1986-10-31T16:09:20Z", "ms": 531158959942.70703 }, "end": { "local": "1986-11-01T00:57:20+08:00", "utc": "1986-10-31T16:57:20Z", "ms": 531161839942.70703 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-02T00:09:18+08:00", "utc": "1986-11-01T16:09:18Z", "ms": 531245358017.58044 }, "end": { "local": "1986-11-02T00:57:18+08:00", "utc": "1986-11-01T16:57:18Z", "ms": 531248238017.58044 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:54 on Fri 31 Oct to 16:43 on Sat 1 Nov.", "fact": "1986-10-31T10:53:31Z → 1986-11-01T08:42:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 31st, 00:09–00:57 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18949 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Friday 31 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": "1986-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-10-31", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Friday 31 October. Caturdaśī runs from 18:54 on Fri 31 Oct to 16:43 on Sat 1 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34285, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-10-31T18:53:31+08:00", "utc": "1986-10-31T10:53:31Z", "ms": 531140011067.00354 }, "end": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 } }, "kaala": "arunodaya", "days": [ { "local_date": "1986-10-31", "window": { "start": { "local": "1986-10-31T05:24:20+08:00", "utc": "1986-10-30T21:24:20Z", "ms": 531091460279.29486 }, "end": { "local": "1986-10-31T07:10:09+08:00", "utc": "1986-10-30T23:10:09Z", "ms": 531097808504.8654 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T05:25:02+08:00", "utc": "1986-10-31T21:25:02Z", "ms": 531177901805.89417 }, "end": { "local": "1986-11-01T07:11:06+08:00", "utc": "1986-10-31T23:11:06Z", "ms": 531184266119.7804 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:54 on Fri 31 Oct to 16:43 on Sat 1 Nov.", "fact": "1986-10-31T10:53:31Z → 1986-11-01T08:42:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:24–07:10 on the 31st, 05:25–07:11 on the 1st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 106 minutes on the 31st and 106 of 106 on the 1st.", "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 34285 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Qingyang, 1986: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Naraka Caturdaśī (Choti Diwali) 1986 falls on Saturday 1 November. Caturdaśī runs from 18:54 on Fri 31 Oct to 16:43 on Sat 1 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/qingyang/festivals/1986/naraka-chaturdashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4321, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-01T17:54:32+08:00", "utc": "1986-11-01T09:54:32Z", "ms": 531222871996.7313 }, "end": { "local": "1986-11-01T19:40:52+08:00", "utc": "1986-11-01T11:40:52Z", "ms": 531229252268.95776 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T17:53:32+08:00", "utc": "1986-11-02T09:53:32Z", "ms": 531309211534.912 }, "end": { "local": "1986-11-02T19:40:08+08:00", "utc": "1986-11-02T11:40:08Z", "ms": 531315607629.23047 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:43 on Sat 1 Nov to 14:02 on Sun 2 Nov.", "fact": "1986-11-01T08:42:31Z → 1986-11-02T06:02:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:41 on the 1st, 17:54–19:40 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 106 of 106 minutes on the 1st and 0 of 107 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4321 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Qingyang, 1986: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Lakṣmī Pūjā (Diwali) 1986 falls on Saturday 1 November. Amāvasyā runs from 16:43 on Sat 1 Nov to 14:02 on Sun 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/diwali-lakshmi-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26807, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-01T16:42:31+08:00", "utc": "1986-11-01T08:42:31Z", "ms": 531218550677.50476 }, "end": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 } }, "kaala": "nishita", "days": [ { "local_date": "1986-11-01", "window": { "start": { "local": "1986-11-02T00:09:18+08:00", "utc": "1986-11-01T16:09:18Z", "ms": 531245358017.58044 }, "end": { "local": "1986-11-02T00:57:18+08:00", "utc": "1986-11-01T16:57:18Z", "ms": 531248238017.58044 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-03T00:09:17+08:00", "utc": "1986-11-02T16:09:17Z", "ms": 531331756888.6062 }, "end": { "local": "1986-11-03T00:57:17+08:00", "utc": "1986-11-02T16:57:17Z", "ms": 531334636888.6062 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:43 on Sat 1 Nov to 14:02 on Sun 2 Nov.", "fact": "1986-11-01T08:42:31Z → 1986-11-02T06:02:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 1st, 00:09–00:57 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26807 s" }, { "step": "ruling", "text": "Kālī Pūjā, Qingyang, 1986: Saturday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-01", "confidence": "determinate" } ], "quote": "In Qingyang, Kālī Pūjā 1986 falls on Saturday 1 November. Amāvasyā runs from 16:43 on Sat 1 Nov to 14:02 on Sun 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/kali-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13884, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T17:53:32+08:00", "utc": "1986-11-02T09:53:32Z", "ms": 531309211534.912 }, "end": { "local": "1986-11-02T19:40:08+08:00", "utc": "1986-11-02T11:40:08Z", "ms": 531315607629.23047 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T17:52:32+08:00", "utc": "1986-11-03T09:52:32Z", "ms": 531395552408.0532 }, "end": { "local": "1986-11-03T19:39:24+08:00", "utc": "1986-11-03T11:39:24Z", "ms": 531401964181.72406 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:40 on the 2nd, 17:53–19:39 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 107 of 107 minutes on the 2nd and 0 of 107 on the 3rd.", "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 13884 s" }, { "step": "ruling", "text": "Bali Pūjā, Qingyang, 1986: Sunday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-02", "confidence": "determinate" } ], "quote": "In Qingyang, Bali Pūjā 1986 falls on Sunday 2 November. Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/bali-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3920, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T12:08:48+08:00", "utc": "1986-11-02T04:08:48Z", "ms": 531288527786.6708 }, "end": { "local": "1986-11-02T12:56:48+08:00", "utc": "1986-11-02T04:56:48Z", "ms": 531291407786.6708 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T12:08:47+08:00", "utc": "1986-11-03T04:08:47Z", "ms": 531374927325.1769 }, "end": { "local": "1986-11-03T12:56:47+08:00", "utc": "1986-11-03T04:56:47Z", "ms": 531377807325.1769 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 2nd, 12:09–12:57 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 3920 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Qingyang, 1986: Monday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Govardhana Pūjā 1986 falls on Monday 3 November. Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/govardhana-puja", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4062, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "end": { "local": "1986-11-04T07:48:40+08:00", "utc": "1986-11-03T23:48:40Z", "ms": 531445719543.16077 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "end": { "local": "1986-11-04T07:48:40+08:00", "utc": "1986-11-03T23:48:40Z", "ms": 531445719543.16077 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T12:08:47+08:00", "utc": "1986-11-03T04:08:47Z", "ms": 531374927325.1769 }, "end": { "local": "1986-11-03T12:56:47+08:00", "utc": "1986-11-03T04:56:47Z", "ms": 531377807325.1769 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-04", "window": { "start": { "local": "1986-11-04T12:08:48+08:00", "utc": "1986-11-04T04:08:48Z", "ms": 531461327677.022 }, "end": { "local": "1986-11-04T12:56:48+08:00", "utc": "1986-11-04T04:56:48Z", "ms": 531464207677.022 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:01 on Mon 3 Nov to 07:49 on Tue 4 Nov.", "fact": "1986-11-03T03:01:06Z → 1986-11-03T23:48:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 3rd, 12:09–12:57 on the 4th.", "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 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: purvaviddha → only-day · margin 4062 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Qingyang, 1986: Monday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Yama Dvitīyā (Bhai Dooj) 1986 falls on Monday 3 November. Dvitīyā runs from 11:01 on Mon 3 Nov to 07:49 on Tue 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/yama-dvitiya", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 893, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-02T14:02:08+08:00", "utc": "1986-11-02T06:02:08Z", "ms": 531295327717.6174 }, "end": { "local": "1986-11-03T11:01:06+08:00", "utc": "1986-11-03T03:01:06Z", "ms": 531370865777.2084 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-11-02", "window": { "start": { "local": "1986-11-02T07:12:04+08:00", "utc": "1986-11-01T23:12:04Z", "ms": 531270724038.4295 }, "end": { "local": "1986-11-02T10:45:53+08:00", "utc": "1986-11-02T02:45:53Z", "ms": 531283553203.92365 } }, "covered_min": 0, "window_min": 214, "qualifies": false }, { "local_date": "1986-11-03", "window": { "start": { "local": "1986-11-03T07:13:02+08:00", "utc": "1986-11-02T23:13:02Z", "ms": 531357182242.3005 }, "end": { "local": "1986-11-03T10:46:12+08:00", "utc": "1986-11-03T02:46:12Z", "ms": 531369972297.5514 } }, "covered_min": 213, "window_min": 213, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov.", "fact": "1986-11-02T06:02:08Z → 1986-11-03T03:01:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:12–10:46 on the 2nd, 07:13–10:46 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 214 minutes on the 2nd and 213 of 213 on the 3rd.", "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 893 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Qingyang, 1986: Monday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-03", "confidence": "determinate" } ], "quote": "In Qingyang, Dyūta Pratipad 1986 falls on Monday 3 November. Pratipadā runs from 14:02 on Sun 2 Nov to 11:01 on Mon 3 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/dyuta-pratipad", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27282, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-05T04:34:07+08:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-06T01:26:24+08:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-05T04:34:07+08:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-06T01:26:24+08:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-05", "window": { "start": { "local": "1986-11-05T12:08:49+08:00", "utc": "1986-11-05T04:08:49Z", "ms": 531547728844.67944 }, "end": { "local": "1986-11-05T12:56:49+08:00", "utc": "1986-11-05T04:56:49Z", "ms": 531550608844.67944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-06", "window": { "start": { "local": "1986-11-06T12:08:51+08:00", "utc": "1986-11-06T04:08:51Z", "ms": 531634130830.35944 }, "end": { "local": "1986-11-06T12:56:51+08:00", "utc": "1986-11-06T04:56:51Z", "ms": 531637010830.35944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:34 on Wed 5 Nov to 01:26 on Thu 6 Nov.", "fact": "1986-11-04T20:34:07Z → 1986-11-05T17:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27282 s" }, { "step": "ruling", "text": "Nāga Caturthī, Qingyang, 1986: Wednesday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Caturthī 1986 falls on Wednesday 5 November. Caturthī runs from 04:34 on Wed 5 Nov to 01:26 on Thu 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/naga-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-11-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27282, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-05T04:34:07+08:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-06T01:26:24+08:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-05T04:34:07+08:00", "utc": "1986-11-04T20:34:07Z", "ms": 531520446720.7837 }, "end": { "local": "1986-11-06T01:26:24+08:00", "utc": "1986-11-05T17:26:24Z", "ms": 531595583750.3437 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-05", "window": { "start": { "local": "1986-11-05T12:08:49+08:00", "utc": "1986-11-05T04:08:49Z", "ms": 531547728844.67944 }, "end": { "local": "1986-11-05T12:56:49+08:00", "utc": "1986-11-05T04:56:49Z", "ms": 531550608844.67944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-06", "window": { "start": { "local": "1986-11-06T12:08:51+08:00", "utc": "1986-11-06T04:08:51Z", "ms": 531634130830.35944 }, "end": { "local": "1986-11-06T12:56:51+08:00", "utc": "1986-11-06T04:56:51Z", "ms": 531637010830.35944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:34 on Wed 5 Nov to 01:26 on Thu 6 Nov.", "fact": "1986-11-04T20:34:07Z → 1986-11-05T17:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 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 27282 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Wednesday 5 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": "1986-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-05", "confidence": "determinate" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Wednesday 5 November. Caturthī runs from 04:34 on Wed 5 Nov to 01:26 on Thu 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25575, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-11-06T22:33:43+08:00", "utc": "1986-11-06T14:33:43Z", "ms": 531671622826.09033 }, "end": { "local": "1986-11-07T20:03:09+08:00", "utc": "1986-11-07T12:03:09Z", "ms": 531748989039.85706 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-06T22:33:43+08:00", "utc": "1986-11-06T14:33:43Z", "ms": 531671622826.09033 }, "end": { "local": "1986-11-07T20:03:09+08:00", "utc": "1986-11-07T12:03:09Z", "ms": 531748989039.85706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-06", "window": { "start": { "local": "1986-11-06T12:08:51+08:00", "utc": "1986-11-06T04:08:51Z", "ms": 531634130830.35944 }, "end": { "local": "1986-11-06T12:56:51+08:00", "utc": "1986-11-06T04:56:51Z", "ms": 531637010830.35944 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-07", "window": { "start": { "local": "1986-11-07T12:08:54+08:00", "utc": "1986-11-07T04:08:54Z", "ms": 531720533636.4221 }, "end": { "local": "1986-11-07T12:56:54+08:00", "utc": "1986-11-07T04:56:54Z", "ms": 531723413636.4221 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:34 on Thu 6 Nov to 20:03 on Fri 7 Nov.", "fact": "1986-11-06T14:33:43Z → 1986-11-07T12:03:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 6th, 12:09–12:57 on the 7th.", "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 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 25575 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Qingyang, 1986: Friday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-07", "confidence": "determinate" } ], "quote": "In Qingyang, Sūrya Ṣaṣṭhī (Chhath) 1986 falls on Friday 7 November. Ṣaṣṭhī runs from 22:34 on Thu 6 Nov to 20:03 on Fri 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/surya-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12719, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1986-11-08T18:00:19+08:00", "utc": "1986-11-08T10:00:19Z", "ms": 531828018525.92615 }, "end": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-08T18:00:19+08:00", "utc": "1986-11-08T10:00:19Z", "ms": 531828018525.92615 }, "end": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-08", "window": { "start": { "local": "1986-11-08T12:08:57+08:00", "utc": "1986-11-08T04:08:57Z", "ms": 531806937265.6071 }, "end": { "local": "1986-11-08T12:56:57+08:00", "utc": "1986-11-08T04:56:57Z", "ms": 531809817265.6071 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T12:09:02+08:00", "utc": "1986-11-09T04:09:02Z", "ms": 531893341721.0641 }, "end": { "local": "1986-11-09T12:57:02+08:00", "utc": "1986-11-09T04:57:02Z", "ms": 531896221721.0641 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:00 on Sat 8 Nov to 16:29 on Sun 9 Nov.", "fact": "1986-11-08T10:00:19Z → 1986-11-09T08:29:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 8th, 12:09–12:57 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12719 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Qingyang, 1986: Sunday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-09", "confidence": "determinate" } ], "quote": "In Qingyang, Gopāṣṭamī 1986 falls on Sunday 9 November. Aṣṭamī runs from 18:00 on Sat 8 Nov to 16:29 on Sun 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/gopashtami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16947, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T15:31:10+08:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T15:31:10+08:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 } }, "kaala": "purvahna", "days": [ { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T07:18:56+08:00", "utc": "1986-11-08T23:18:56Z", "ms": 531875936207.87225 }, "end": { "local": "1986-11-09T10:48:20+08:00", "utc": "1986-11-09T02:48:20Z", "ms": 531888499883.33344 } }, "covered_min": 0, "window_min": 209, "qualifies": false }, { "local_date": "1986-11-10", "window": { "start": { "local": "1986-11-10T07:19:56+08:00", "utc": "1986-11-09T23:19:56Z", "ms": 531962395773.6122 }, "end": { "local": "1986-11-10T10:48:43+08:00", "utc": "1986-11-10T02:48:43Z", "ms": 531974923262.02515 } }, "covered_min": 209, "window_min": 209, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:29 on Sun 9 Nov to 15:31 on Mon 10 Nov.", "fact": "1986-11-09T08:29:01Z → 1986-11-10T07:31:10Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:19–10:48 on the 9th, 07:20–10:49 on the 10th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 209 minutes on the 9th and 209 of 209 on the 10th.", "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 16947 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Qingyang, 1986: Monday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-10", "confidence": "determinate" } ], "quote": "In Qingyang, Akṣaya Navamī (Amla Navami) 1986 falls on Monday 10 November. Navamī runs from 16:29 on Sun 9 Nov to 15:31 on Mon 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/qingyang/festivals/1986/akshaya-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9243, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T15:31:10+08:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-09T16:29:01+08:00", "utc": "1986-11-09T08:29:01Z", "ms": 531908940771.0297 }, "end": { "local": "1986-11-10T15:31:10+08:00", "utc": "1986-11-10T07:31:10Z", "ms": 531991869852.8285 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-09", "window": { "start": { "local": "1986-11-09T12:09:02+08:00", "utc": "1986-11-09T04:09:02Z", "ms": 531893341721.0641 }, "end": { "local": "1986-11-09T12:57:02+08:00", "utc": "1986-11-09T04:57:02Z", "ms": 531896221721.0641 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-10", "window": { "start": { "local": "1986-11-10T12:09:07+08:00", "utc": "1986-11-10T04:09:07Z", "ms": 531979747006.23157 }, "end": { "local": "1986-11-10T12:57:07+08:00", "utc": "1986-11-10T04:57:07Z", "ms": 531982627006.23157 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:29 on Sun 9 Nov to 15:31 on Mon 10 Nov.", "fact": "1986-11-09T08:29:01Z → 1986-11-10T07:31:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9243 s" }, { "step": "ruling", "text": "Durgā Navamī, Qingyang, 1986: Monday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-10", "confidence": "determinate" } ], "quote": "In Qingyang, Durgā Navamī 1986 falls on Monday 10 November. Navamī runs from 16:29 on Sun 9 Nov to 15:31 on Mon 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/durga-navami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-11-12", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27954, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-11-11T15:06:49+08:00", "utc": "1986-11-11T07:06:49Z", "ms": 532076809064.73755 }, "end": { "local": "1986-11-12T15:14:30+08:00", "utc": "1986-11-12T07:14:30Z", "ms": 532163670386.7509 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-11T15:06:49+08:00", "utc": "1986-11-11T07:06:49Z", "ms": 532076809064.73755 }, "end": { "local": "1986-11-12T15:14:30+08:00", "utc": "1986-11-12T07:14:30Z", "ms": 532163670386.7509 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-11-11", "window": { "start": { "local": "1986-11-11T07:20:55+08:00", "utc": "1986-11-10T23:20:55Z", "ms": 532048855441.07983 }, "end": { "local": "1986-11-11T07:20:55+08:00", "utc": "1986-11-10T23:20:55Z", "ms": 532048855441.07983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-11-12", "window": { "start": { "local": "1986-11-12T07:21:55+08:00", "utc": "1986-11-11T23:21:55Z", "ms": 532135315187.45953 }, "end": { "local": "1986-11-12T07:21:55+08:00", "utc": "1986-11-11T23:21:55Z", "ms": 532135315187.45953 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:07 on Tue 11 Nov to 15:15 on Wed 12 Nov.", "fact": "1986-11-11T07:06:49Z → 1986-11-12T07:14:30Z" }, { "step": "kaala", "text": "Sunrise is at 07:21 on the 11th and 07:22 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27954 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Qingyang, 1986: Wednesday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-12", "confidence": "determinate" } ], "quote": "In Qingyang, Prabodhinī Ekādaśī 1986 falls on Wednesday 12 November. Ekādaśī runs from 15:07 on Tue 11 Nov to 15:15 on Wed 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-11-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2861, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-11-13T15:51:45+08:00", "utc": "1986-11-13T07:51:45Z", "ms": 532252305191.2714 }, "end": { "local": "1986-11-14T16:55:38+08:00", "utc": "1986-11-14T08:55:38Z", "ms": 532342537669.0627 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-13T15:51:45+08:00", "utc": "1986-11-13T07:51:45Z", "ms": 532252305191.2714 }, "end": { "local": "1986-11-14T16:55:38+08:00", "utc": "1986-11-14T08:55:38Z", "ms": 532342537669.0627 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-13", "window": { "start": { "local": "1986-11-13T17:44:01+08:00", "utc": "1986-11-13T09:44:01Z", "ms": 532259040759.14746 }, "end": { "local": "1986-11-13T19:33:20+08:00", "utc": "1986-11-13T11:33:20Z", "ms": 532265599967.697 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1986-11-14", "window": { "start": { "local": "1986-11-14T17:43:18+08:00", "utc": "1986-11-14T09:43:18Z", "ms": 532345398198.9866 }, "end": { "local": "1986-11-14T19:32:51+08:00", "utc": "1986-11-14T11:32:51Z", "ms": 532351971060.9566 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:52 on Thu 13 Nov to 16:56 on Fri 14 Nov.", "fact": "1986-11-13T07:51:45Z → 1986-11-14T08:55:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:33 on the 13th, 17:43–19:33 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 13th and 0 of 110 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 2861 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Thursday 13 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": "1986-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Thursday 13 November. Trayodaśī runs from 15:52 on Thu 13 Nov to 16:56 on Fri 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14333, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-11-15T18:23:10+08:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T20:11:33+08:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-15T18:23:10+08:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T20:11:33+08:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 } }, "kaala": "nishita", "days": [ { "local_date": "1986-11-15", "window": { "start": { "local": "1986-11-16T00:10:16+08:00", "utc": "1986-11-15T16:10:16Z", "ms": 532455015902.3041 }, "end": { "local": "1986-11-16T00:58:16+08:00", "utc": "1986-11-15T16:58:16Z", "ms": 532457895902.3041 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-11-16", "window": { "start": { "local": "1986-11-17T00:10:26+08:00", "utc": "1986-11-16T16:10:26Z", "ms": 532541426204.3838 }, "end": { "local": "1986-11-17T00:58:26+08:00", "utc": "1986-11-16T16:58:26Z", "ms": 532544306204.3838 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:23 on Sat 15 Nov to 20:12 on Sun 16 Nov.", "fact": "1986-11-15T10:23:10Z → 1986-11-16T12:11:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 15th, 00:10–00:58 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14333 s" }, { "step": "ruling", "text": "Rāsayātrā, Qingyang, 1986: Saturday 15 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": "1986-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-15", "confidence": "determinate" } ], "quote": "In Qingyang, Rāsayātrā 1986 falls on Saturday 15 November. Pūrṇimā runs from 18:23 on Sat 15 Nov to 20:12 on Sun 16 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/rasayatra", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19524, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-11-15T18:23:10+08:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T20:11:33+08:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1986-11-15T18:23:10+08:00", "utc": "1986-11-15T10:23:10Z", "ms": 532434190346.60693 }, "end": { "local": "1986-11-16T20:11:33+08:00", "utc": "1986-11-16T12:11:33Z", "ms": 532527092930.0373 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-11-15", "window": { "start": { "local": "1986-11-15T12:09:46+08:00", "utc": "1986-11-15T04:09:46Z", "ms": 532411785991.8025 }, "end": { "local": "1986-11-15T12:57:46+08:00", "utc": "1986-11-15T04:57:46Z", "ms": 532414665991.8025 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-16", "window": { "start": { "local": "1986-11-16T12:09:56+08:00", "utc": "1986-11-16T04:09:56Z", "ms": 532498196317.2208 }, "end": { "local": "1986-11-16T12:57:56+08:00", "utc": "1986-11-16T04:57:56Z", "ms": 532501076317.2208 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:23 on Sat 15 Nov to 20:12 on Sun 16 Nov.", "fact": "1986-11-15T10:23:10Z → 1986-11-16T12:11:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 15th, 12:10–12:58 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19524 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Qingyang, 1986: Sunday 16 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": "1986-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-16", "confidence": "determinate" } ], "quote": "In Qingyang, Kārtikī Pūrṇimā 1986 falls on Sunday 16 November. Pūrṇimā runs from 18:23 on Sat 15 Nov to 20:12 on Sun 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/kartiki-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-11-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27843, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-11-20T03:09:03+08:00", "utc": "1986-11-19T19:09:03Z", "ms": 532811342984.6922 }, "end": { "local": "1986-11-21T05:42:45+08:00", "utc": "1986-11-20T21:42:45Z", "ms": 532906965115.85614 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-20T03:09:03+08:00", "utc": "1986-11-19T19:09:03Z", "ms": 532811342984.6922 }, "end": { "local": "1986-11-21T05:42:45+08:00", "utc": "1986-11-20T21:42:45Z", "ms": 532906965115.85614 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-11-19", "window": { "start": { "local": "1986-11-19T19:25:00+08:00", "utc": "1986-11-19T11:25:00Z", "ms": 532783499627.8828 }, "end": { "local": "1986-11-19T19:25:00+08:00", "utc": "1986-11-19T11:25:00Z", "ms": 532783499627.8828 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-11-20", "window": { "start": { "local": "1986-11-20T20:17:26+08:00", "utc": "1986-11-20T12:17:26Z", "ms": 532873046050.8133 }, "end": { "local": "1986-11-20T20:17:26+08:00", "utc": "1986-11-20T12:17:26Z", "ms": 532873046050.8133 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:09 on Thu 20 Nov to 05:43 on Fri 21 Nov.", "fact": "1986-11-19T19:09:03Z → 1986-11-20T21:42:45Z" }, { "step": "kaala", "text": "Moonrise is at 19:25 on the 19th and 20:17 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is on the 20th.", "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 27843 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Thursday 20 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": "1986-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-20", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Thursday 20 November. Caturthī runs from 03:09 on Thu 20 Nov to 05:43 on Fri 21 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-11-28", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16249, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-11-27T13:21:41+08:00", "utc": "1986-11-27T05:21:41Z", "ms": 533452901227.2244 }, "end": { "local": "1986-11-28T12:08:28+08:00", "utc": "1986-11-28T04:08:28Z", "ms": 533534907634.13 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-27T13:21:41+08:00", "utc": "1986-11-27T05:21:41Z", "ms": 533452901227.2244 }, "end": { "local": "1986-11-28T12:08:28+08:00", "utc": "1986-11-28T04:08:28Z", "ms": 533534907634.13 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-11-27", "window": { "start": { "local": "1986-11-27T07:36:42+08:00", "utc": "1986-11-26T23:36:42Z", "ms": 533432202100.61694 }, "end": { "local": "1986-11-27T07:36:42+08:00", "utc": "1986-11-26T23:36:42Z", "ms": 533432202100.61694 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-11-28", "window": { "start": { "local": "1986-11-28T07:37:39+08:00", "utc": "1986-11-27T23:37:39Z", "ms": 533518659042.5447 }, "end": { "local": "1986-11-28T07:37:39+08:00", "utc": "1986-11-27T23:37:39Z", "ms": 533518659042.5447 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:22 on Thu 27 Nov to 12:08 on Fri 28 Nov.", "fact": "1986-11-27T05:21:41Z → 1986-11-28T04:08:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:37 on the 27th and 07:38 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16249 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Qingyang, 1986: Friday 28 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-28", "confidence": "determinate" } ], "quote": "In Qingyang, Utpannā Ekādaśī 1986 falls on Friday 28 November. Ekādaśī runs from 13:22 on Thu 27 Nov to 12:08 on Fri 28 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-11-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-11-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26851, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-11-29T10:08:45+08:00", "utc": "1986-11-29T02:08:45Z", "ms": 533614124702.8754 }, "end": { "local": "1986-11-30T07:28:40+08:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-29T10:08:45+08:00", "utc": "1986-11-29T02:08:45Z", "ms": 533614124702.8754 }, "end": { "local": "1986-11-30T07:28:40+08:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-11-29", "window": { "start": { "local": "1986-11-29T17:36:16+08:00", "utc": "1986-11-29T09:36:16Z", "ms": 533640975704.6774 }, "end": { "local": "1986-11-29T19:28:42+08:00", "utc": "1986-11-29T11:28:42Z", "ms": 533647721789.3965 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1986-11-30", "window": { "start": { "local": "1986-11-30T17:36:03+08:00", "utc": "1986-11-30T09:36:03Z", "ms": 533727362882.4227 }, "end": { "local": "1986-11-30T19:28:38+08:00", "utc": "1986-11-30T11:28:38Z", "ms": 533734118043.9061 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:09 on Sat 29 Nov to 07:29 on Sun 30 Nov.", "fact": "1986-11-29T02:08:45Z → 1986-11-29T23:28:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:29 on the 29th, 17:36–19:29 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 112 of 112 minutes on the 29th and 0 of 113 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26851 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Saturday 29 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": "1986-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-29", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Saturday 29 November. Trayodaśī runs from 10:09 on Sat 29 Nov to 07:29 on Sun 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-11-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11663, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-11-30T07:28:40+08:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "end": { "local": "1986-12-01T04:16:38+08:00", "utc": "1986-11-30T20:16:38Z", "ms": 533765797829.5356 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-11-30T07:28:40+08:00", "utc": "1986-11-29T23:28:40Z", "ms": 533690919814.7503 }, "end": { "local": "1986-12-01T04:16:38+08:00", "utc": "1986-11-30T20:16:38Z", "ms": 533765797829.5356 } }, "kaala": "nishita", "days": [ { "local_date": "1986-11-29", "window": { "start": { "local": "1986-11-30T00:13:54+08:00", "utc": "1986-11-29T16:13:54Z", "ms": 533664833522.37396 }, "end": { "local": "1986-11-30T01:01:54+08:00", "utc": "1986-11-29T17:01:54Z", "ms": 533667713522.37396 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-11-30", "window": { "start": { "local": "1986-12-01T00:14:15+08:00", "utc": "1986-11-30T16:14:15Z", "ms": 533751254737.9854 }, "end": { "local": "1986-12-01T01:02:15+08:00", "utc": "1986-11-30T17:02:15Z", "ms": 533754134737.9854 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:29 on Sun 30 Nov to 04:17 on Mon 1 Dec.", "fact": "1986-11-29T23:28:40Z → 1986-11-30T20:16:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 29th, 00:14–01:02 on the 30th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11663 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Sunday 30 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-11-30", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Sunday 30 November. Caturdaśī runs from 07:29 on Sun 30 Nov to 04:17 on Mon 1 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6562, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1986-12-05T10:26:22+08:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "end": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-05T10:26:22+08:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "end": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-05", "window": { "start": { "local": "1986-12-05T12:15:45+08:00", "utc": "1986-12-05T04:15:45Z", "ms": 534140144508.501 }, "end": { "local": "1986-12-05T13:03:45+08:00", "utc": "1986-12-05T05:03:45Z", "ms": 534143024508.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T12:16:10+08:00", "utc": "1986-12-06T04:16:10Z", "ms": 534226569745.69885 }, "end": { "local": "1986-12-06T13:04:10+08:00", "utc": "1986-12-06T05:04:10Z", "ms": 534229449745.69885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:26 on Fri 5 Dec to 07:45 on Sat 6 Dec.", "fact": "1986-12-05T02:26:22Z → 1986-12-05T23:45:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 5th, 12:16–13:04 on the 6th.", "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 5th and 0 of 48 on the 6th.", "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 6562 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Qingyang, 1986: Friday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-05", "confidence": "determinate" } ], "quote": "In Qingyang, Nāga Pañcamī (Mārgaśīrṣa) 1986 falls on Friday 5 December. Pañcamī runs from 10:26 on Fri 5 Dec to 07:45 on Sat 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/naga-panchami-margashirsha", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-12-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2111, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-12-04T13:38:31+08:00", "utc": "1986-12-04T05:38:31Z", "ms": 534058710880.49365 }, "end": { "local": "1986-12-05T10:26:22+08:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-04T13:38:31+08:00", "utc": "1986-12-04T05:38:31Z", "ms": 534058710880.49365 }, "end": { "local": "1986-12-05T10:26:22+08:00", "utc": "1986-12-05T02:26:22Z", "ms": 534133582253.7045 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-04", "window": { "start": { "local": "1986-12-04T12:15:20+08:00", "utc": "1986-12-04T04:15:20Z", "ms": 534053719818.5028 }, "end": { "local": "1986-12-04T13:03:20+08:00", "utc": "1986-12-04T05:03:20Z", "ms": 534056599818.5028 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1986-12-05", "window": { "start": { "local": "1986-12-05T12:15:45+08:00", "utc": "1986-12-05T04:15:45Z", "ms": 534140144508.501 }, "end": { "local": "1986-12-05T13:03:45+08:00", "utc": "1986-12-05T05:03:45Z", "ms": 534143024508.501 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:39 on Thu 4 Dec to 10:26 on Fri 5 Dec.", "fact": "1986-12-04T05:38:31Z → 1986-12-05T02:26:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 4th, 12:16–13:04 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 0 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 2111 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Qingyang, 1986: Friday 5 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": "1986-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-04", "confidence": "boundary" } ], "quote": "In Qingyang, Vināyaka Caturthī 1986 falls on Friday 5 December. Caturthī runs from 13:39 on Thu 4 Dec to 10:26 on Fri 5 Dec, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/qingyang/festivals/1986/vinayaka-chaturthi?on=1986-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16253, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T12:16:10+08:00", "utc": "1986-12-06T04:16:10Z", "ms": 534226569745.69885 }, "end": { "local": "1986-12-06T13:04:10+08:00", "utc": "1986-12-06T05:04:10Z", "ms": 534229449745.69885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-07", "window": { "start": { "local": "1986-12-07T12:16:36+08:00", "utc": "1986-12-07T04:16:36Z", "ms": 534312995501.6461 }, "end": { "local": "1986-12-07T13:04:36+08:00", "utc": "1986-12-07T05:04:36Z", "ms": 534315875501.6461 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:45 on Sat 6 Dec to 05:43 on Sun 7 Dec.", "fact": "1986-12-05T23:45:17Z → 1986-12-06T21:42:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 6th, 12:17–13:05 on the 7th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16253 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Qingyang, 1986: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-06", "confidence": "determinate" } ], "quote": "In Qingyang, Campā Ṣaṣṭhī 1986 falls on Saturday 6 December. Ṣaṣṭhī runs from 07:45 on Sat 6 Dec to 05:43 on Sun 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/champa-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16253, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-06T07:45:17+08:00", "utc": "1986-12-05T23:45:17Z", "ms": 534210316855.45703 }, "end": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-06", "window": { "start": { "local": "1986-12-06T12:16:10+08:00", "utc": "1986-12-06T04:16:10Z", "ms": 534226569745.69885 }, "end": { "local": "1986-12-06T13:04:10+08:00", "utc": "1986-12-06T05:04:10Z", "ms": 534229449745.69885 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-07", "window": { "start": { "local": "1986-12-07T12:16:36+08:00", "utc": "1986-12-07T04:16:36Z", "ms": 534312995501.6461 }, "end": { "local": "1986-12-07T13:04:36+08:00", "utc": "1986-12-07T05:04:36Z", "ms": 534315875501.6461 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 07:45 on Sat 6 Dec to 05:43 on Sun 7 Dec.", "fact": "1986-12-05T23:45:17Z → 1986-12-06T21:42:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 6th, 12:17–13:05 on the 7th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16253 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Qingyang, 1986: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-06", "confidence": "determinate" } ], "quote": "In Qingyang, Skanda Ṣaṣṭhī 1986 falls on Saturday 6 December. Ṣaṣṭhī runs from 07:45 on Sat 6 Dec to 05:43 on Sun 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/skanda-shashthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23630, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "end": { "local": "1986-12-08T04:23:50+08:00", "utc": "1986-12-07T20:23:50Z", "ms": 534371030075.19836 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-07T05:42:46+08:00", "utc": "1986-12-06T21:42:46Z", "ms": 534289365739.2488 }, "end": { "local": "1986-12-08T04:23:50+08:00", "utc": "1986-12-07T20:23:50Z", "ms": 534371030075.19836 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-07", "window": { "start": { "local": "1986-12-07T12:16:36+08:00", "utc": "1986-12-07T04:16:36Z", "ms": 534312995501.6461 }, "end": { "local": "1986-12-07T13:04:36+08:00", "utc": "1986-12-07T05:04:36Z", "ms": 534315875501.6461 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-08", "window": { "start": { "local": "1986-12-08T12:17:02+08:00", "utc": "1986-12-08T04:17:02Z", "ms": 534399421748.4366 }, "end": { "local": "1986-12-08T13:05:02+08:00", "utc": "1986-12-08T05:05:02Z", "ms": 534402301748.4366 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:43 on Sun 7 Dec to 04:24 on Mon 8 Dec.", "fact": "1986-12-06T21:42:46Z → 1986-12-07T20:23:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 7th, 12:17–13:05 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23630 s" }, { "step": "ruling", "text": "Mitra Saptamī, Qingyang, 1986: Sunday 7 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-07", "confidence": "determinate" } ], "quote": "In Qingyang, Mitra Saptamī 1986 falls on Sunday 7 December. Saptamī runs from 05:43 on Sun 7 Dec to 04:24 on Mon 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/mitra-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-12-11", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5607, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-12-11T04:52:03+08:00", "utc": "1986-12-10T20:52:03Z", "ms": 534631923314.2069 }, "end": { "local": "1986-12-12T06:16:11+08:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-11T04:52:03+08:00", "utc": "1986-12-10T20:52:03Z", "ms": 534631923314.2069 }, "end": { "local": "1986-12-12T06:16:11+08:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-12-11", "window": { "start": { "local": "1986-12-11T07:48:53+08:00", "utc": "1986-12-10T23:48:53Z", "ms": 534642533363.19196 }, "end": { "local": "1986-12-11T07:48:53+08:00", "utc": "1986-12-10T23:48:53Z", "ms": 534642533363.19196 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-12-12", "window": { "start": { "local": "1986-12-12T07:49:38+08:00", "utc": "1986-12-11T23:49:38Z", "ms": 534728978331.7235 }, "end": { "local": "1986-12-12T07:49:38+08:00", "utc": "1986-12-11T23:49:38Z", "ms": 534728978331.7235 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:52 on Thu 11 Dec to 06:16 on Fri 12 Dec.", "fact": "1986-12-10T20:52:03Z → 1986-12-11T22:16:11Z" }, { "step": "kaala", "text": "Sunrise is at 07:49 on the 11th and 07:50 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5607 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Qingyang, 1986: Thursday 11 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": "1986-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-11", "confidence": "determinate" } ], "quote": "In Qingyang, Mokṣadā Ekādaśī 1986 falls on Thursday 11 December. Ekādaśī runs from 04:52 on Thu 11 Dec to 06:16 on Fri 12 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15185, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1986-12-12T06:16:11+08:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "end": { "local": "1986-12-13T08:06:14+08:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-12T06:16:11+08:00", "utc": "1986-12-11T22:16:11Z", "ms": 534723371493.9961 }, "end": { "local": "1986-12-13T08:06:14+08:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 } }, "kaala": "madhyahna", "days": [ { "local_date": "1986-12-12", "window": { "start": { "local": "1986-12-12T12:18:51+08:00", "utc": "1986-12-12T04:18:51Z", "ms": 534745131094.6079 }, "end": { "local": "1986-12-12T13:06:51+08:00", "utc": "1986-12-12T05:06:51Z", "ms": 534748011094.6079 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-13", "window": { "start": { "local": "1986-12-13T12:19:19+08:00", "utc": "1986-12-13T04:19:19Z", "ms": 534831559383.09265 }, "end": { "local": "1986-12-13T13:07:19+08:00", "utc": "1986-12-13T05:07:19Z", "ms": 534834439383.09265 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:16 on Fri 12 Dec to 08:06 on Sat 13 Dec.", "fact": "1986-12-11T22:16:11Z → 1986-12-13T00:06:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 12th, 12:19–13:07 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15185 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Qingyang, 1986: Friday 12 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": "1986-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-12", "confidence": "determinate" } ], "quote": "In Qingyang, Akhaṇḍa Dvādaśī 1986 falls on Friday 12 December. Dvādaśī runs from 06:16 on Fri 12 Dec to 08:06 on Sat 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/qingyang/festivals/1986/akhanda-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-12-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26496, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-12-13T08:06:14+08:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "end": { "local": "1986-12-14T10:14:55+08:00", "utc": "1986-12-14T02:14:55Z", "ms": 534910495130.69336 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-13T08:06:14+08:00", "utc": "1986-12-13T00:06:14Z", "ms": 534816374251.6339 }, "end": { "local": "1986-12-14T10:14:55+08:00", "utc": "1986-12-14T02:14:55Z", "ms": 534910495130.69336 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-13", "window": { "start": { "local": "1986-12-13T17:36:17+08:00", "utc": "1986-12-13T09:36:17Z", "ms": 534850576689.6785 }, "end": { "local": "1986-12-13T19:30:15+08:00", "utc": "1986-12-13T11:30:15Z", "ms": 534857415071.7315 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1986-12-14", "window": { "start": { "local": "1986-12-14T17:36:31+08:00", "utc": "1986-12-14T09:36:31Z", "ms": 534936991437.70575 }, "end": { "local": "1986-12-14T19:30:33+08:00", "utc": "1986-12-14T11:30:33Z", "ms": 534943833342.7901 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:06 on Sat 13 Dec to 10:15 on Sun 14 Dec.", "fact": "1986-12-13T00:06:14Z → 1986-12-14T02:14:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:30 on the 13th, 17:37–19:31 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 114 of 114 minutes on the 13th and 0 of 114 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 26496 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Qingyang, 1986: Saturday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-13", "confidence": "determinate" } ], "quote": "In Qingyang, Śukla Pradoṣa Vrata 1986 falls on Saturday 13 December. Trayodaśī runs from 08:06 on Sat 13 Dec to 10:15 on Sun 14 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9161, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1986-12-15T12:35:59+08:00", "utc": "1986-12-15T04:35:59Z", "ms": 535005358882.7594 }, "end": { "local": "1986-12-16T15:04:25+08:00", "utc": "1986-12-16T07:04:25Z", "ms": 535100665300.34314 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-15T12:35:59+08:00", "utc": "1986-12-15T04:35:59Z", "ms": 535005358882.7594 }, "end": { "local": "1986-12-16T15:04:25+08:00", "utc": "1986-12-16T07:04:25Z", "ms": 535100665300.34314 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-15", "window": { "start": { "local": "1986-12-15T17:36:48+08:00", "utc": "1986-12-15T09:36:48Z", "ms": 535023408085.96265 }, "end": { "local": "1986-12-15T19:30:53+08:00", "utc": "1986-12-15T11:30:53Z", "ms": 535030253080.90497 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1986-12-16", "window": { "start": { "local": "1986-12-16T17:37:07+08:00", "utc": "1986-12-16T09:37:07Z", "ms": 535109826617.197 }, "end": { "local": "1986-12-16T19:31:14+08:00", "utc": "1986-12-16T11:31:14Z", "ms": 535116674265.7978 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:36 on Mon 15 Dec to 15:04 on Tue 16 Dec.", "fact": "1986-12-15T04:35:59Z → 1986-12-16T07:04:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:31 on the 15th, 17:37–19:31 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 114 of 114 minutes on the 15th and 0 of 114 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9161 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Qingyang, 1986: Monday 15 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": "1986-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-15", "confidence": "determinate" } ], "quote": "In Qingyang, Dattātreyotpatti (Datta Jayanti) 1986 falls on Monday 15 December. Pūrṇimā runs from 12:36 on Mon 15 Dec to 15:04 on Tue 16 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/dattatreyotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/sankashta-chaturthi?on=1986-12-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8775, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1986-12-19T22:33:05+08:00", "utc": "1986-12-19T14:33:05Z", "ms": 535386784780.16034 }, "end": { "local": "1986-12-21T00:47:46+08:00", "utc": "1986-12-20T16:47:46Z", "ms": 535481265973.98035 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-19T22:33:05+08:00", "utc": "1986-12-19T14:33:05Z", "ms": 535386784780.16034 }, "end": { "local": "1986-12-21T00:47:46+08:00", "utc": "1986-12-20T16:47:46Z", "ms": 535481265973.98035 } }, "kaala": "moonrise", "days": [ { "local_date": "1986-12-19", "window": { "start": { "local": "1986-12-19T20:06:50+08:00", "utc": "1986-12-19T12:06:50Z", "ms": 535378009839.8998 }, "end": { "local": "1986-12-19T20:06:50+08:00", "utc": "1986-12-19T12:06:50Z", "ms": 535378009839.8998 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1986-12-20", "window": { "start": { "local": "1986-12-20T21:07:14+08:00", "utc": "1986-12-20T13:07:14Z", "ms": 535468033847.32385 }, "end": { "local": "1986-12-20T21:07:14+08:00", "utc": "1986-12-20T13:07:14Z", "ms": 535468033847.32385 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:33 on Fri 19 Dec to 00:48 on Sun 21 Dec.", "fact": "1986-12-19T14:33:05Z → 1986-12-20T16:47:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 19th and 21:07 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is on the 20th.", "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 8775 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Qingyang, 1986: Saturday 20 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": "1986-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-20", "confidence": "determinate" } ], "quote": "In Qingyang, Saṅkaṣṭa Caturthī 1986 falls on Saturday 20 December. Caturthī runs from 22:33 on Fri 19 Dec to 00:48 on Sun 21 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/sankashta-chaturthi?on=1986-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/ekadashi?on=1986-12-27", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17000, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1986-12-27T03:14:44+08:00", "utc": "1986-12-26T19:14:44Z", "ms": 536008483841.4011 }, "end": { "local": "1986-12-28T01:03:45+08:00", "utc": "1986-12-27T17:03:45Z", "ms": 536087024936.59143 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-27T03:14:44+08:00", "utc": "1986-12-26T19:14:44Z", "ms": 536008483841.4011 }, "end": { "local": "1986-12-28T01:03:45+08:00", "utc": "1986-12-27T17:03:45Z", "ms": 536087024936.59143 } }, "kaala": "sunrise", "days": [ { "local_date": "1986-12-27", "window": { "start": { "local": "1986-12-27T07:58:04+08:00", "utc": "1986-12-26T23:58:04Z", "ms": 536025483798.2923 }, "end": { "local": "1986-12-27T07:58:04+08:00", "utc": "1986-12-26T23:58:04Z", "ms": 536025483798.2923 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1986-12-28", "window": { "start": { "local": "1986-12-28T07:58:25+08:00", "utc": "1986-12-27T23:58:25Z", "ms": 536111904584.7052 }, "end": { "local": "1986-12-28T07:58:25+08:00", "utc": "1986-12-27T23:58:25Z", "ms": 536111904584.7052 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:15 on Sat 27 Dec to 01:04 on Sun 28 Dec.", "fact": "1986-12-26T19:14:44Z → 1986-12-27T17:03:45Z" }, { "step": "kaala", "text": "Sunrise is at 07:58 on the 27th and 07:58 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17000 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Qingyang, 1986: Saturday 27 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": "1986-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-27", "confidence": "determinate" } ], "quote": "In Qingyang, Saphalā Ekādaśī 1986 falls on Saturday 27 December. Ekādaśī runs from 03:15 on Sat 27 Dec to 01:04 on Sun 28 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/qingyang/festivals/1986/ekadashi?on=1986-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/pradosha-vrata?on=1986-12-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2890, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1986-12-28T22:12:38+08:00", "utc": "1986-12-28T14:12:38Z", "ms": 536163157812.86774 }, "end": { "local": "1986-12-29T18:49:39+08:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-28T22:12:38+08:00", "utc": "1986-12-28T14:12:38Z", "ms": 536163157812.86774 }, "end": { "local": "1986-12-29T18:49:39+08:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 } }, "kaala": "pradosha", "days": [ { "local_date": "1986-12-28", "window": { "start": { "local": "1986-12-28T17:43:07+08:00", "utc": "1986-12-28T09:43:07Z", "ms": 536146987171.82666 }, "end": { "local": "1986-12-28T19:37:12+08:00", "utc": "1986-12-28T11:37:12Z", "ms": 536153832025.9366 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1986-12-29", "window": { "start": { "local": "1986-12-29T17:43:48+08:00", "utc": "1986-12-29T09:43:48Z", "ms": 536233427777.80035 }, "end": { "local": "1986-12-29T19:37:50+08:00", "utc": "1986-12-29T11:37:50Z", "ms": 536240269507.3648 } }, "covered_min": 66, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:13 on Sun 28 Dec to 18:50 on Mon 29 Dec.", "fact": "1986-12-28T14:12:38Z → 1986-12-29T10:49:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:37 on the 28th, 17:44–19:38 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 28th and 66 of 114 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2890 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Qingyang, 1986: Monday 29 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1986-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-29", "confidence": "determinate" } ], "quote": "In Qingyang, Kṛṣṇa Pradoṣa Vrata 1986 falls on Monday 29 December. Trayodaśī runs from 22:13 on Sun 28 Dec to 18:50 on Mon 29 Dec and covers 66 of 114 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/qingyang/festivals/1986/pradosha-vrata?on=1986-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/qingyang/festivals/1986/shivaratri?on=1986-12-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "12359313", "year": 1986, "local_date": "1986-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20265, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1986-12-29T18:49:39+08:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "end": { "local": "1986-12-30T15:04:57+08:00", "utc": "1986-12-30T07:04:57Z", "ms": 536310296709.1349 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1986-12-29T18:49:39+08:00", "utc": "1986-12-29T10:49:39Z", "ms": 536237379407.27356 }, "end": { "local": "1986-12-30T15:04:57+08:00", "utc": "1986-12-30T07:04:57Z", "ms": 536310296709.1349 } }, "kaala": "nishita", "days": [ { "local_date": "1986-12-29", "window": { "start": { "local": "1986-12-30T00:27:24+08:00", "utc": "1986-12-29T16:27:24Z", "ms": 536257644263.667 }, "end": { "local": "1986-12-30T01:15:24+08:00", "utc": "1986-12-29T17:15:24Z", "ms": 536260524263.667 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1986-12-30", "window": { "start": { "local": "1986-12-31T00:27:53+08:00", "utc": "1986-12-30T16:27:53Z", "ms": 536344072945.3461 }, "end": { "local": "1986-12-31T01:15:53+08:00", "utc": "1986-12-30T17:15:53Z", "ms": 536346952945.3461 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:50 on Mon 29 Dec to 15:05 on Tue 30 Dec.", "fact": "1986-12-29T10:49:39Z → 1986-12-30T07:04:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 29th, 00:28–01:16 on the 30th.", "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 29th and 0 of 48 on the 30th.", "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 20265 s" }, { "step": "ruling", "text": "Śivarātri, Qingyang, 1986: Monday 29 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": "1986-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1986-12-29", "confidence": "determinate" } ], "quote": "In Qingyang, Śivarātri 1986 falls on Monday 29 December. Caturdaśī runs from 18:50 on Mon 29 Dec to 15:05 on Tue 30 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/qingyang/festivals/1986/shivaratri?on=1986-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }