{ "id": "/erbil/festivals/1982", "place": { "id": "95446", "slug": "erbil", "name": "Erbil", "region": "Iraq", "country": "IQ", "lat": 36.19117, "lon": 44.00943, "elevation_m": 429, "tz": "Asia/Baghdad" }, "year": 1982, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/erbil/festivals/1982/ekadashi?on=1982-01-06", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17429, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-01-05T14:55:01+03:00", "utc": "1982-01-05T11:55:01Z", "ms": 379079701197.9317 }, "end": { "local": "1982-01-06T12:06:26+03:00", "utc": "1982-01-06T09:06:26Z", "ms": 379155985952.7514 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-01-05T14:55:01+03:00", "utc": "1982-01-05T11:55:01Z", "ms": 379079701197.9317 }, "end": { "local": "1982-01-06T12:06:26+03:00", "utc": "1982-01-06T09:06:26Z", "ms": 379155985952.7514 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-01-05", "window": { "start": { "local": "1982-01-05T07:15:55+03:00", "utc": "1982-01-05T04:15:55Z", "ms": 379052154558.5462 }, "end": { "local": "1982-01-05T07:15:55+03:00", "utc": "1982-01-05T04:15:55Z", "ms": 379052154558.5462 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-01-06", "window": { "start": { "local": "1982-01-06T07:15:57+03:00", "utc": "1982-01-06T04:15:57Z", "ms": 379138557007.657 }, "end": { "local": "1982-01-06T07:15:57+03:00", "utc": "1982-01-06T04:15:57Z", "ms": 379138557007.657 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:55 on Tue 5 Jan to 12:06 on Wed 6 Jan.", "fact": "1982-01-05T11:55:01Z → 1982-01-06T09:06:26Z" }, { "step": "kaala", "text": "Sunrise is at 07:16 on the 5th and 07:16 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17429 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Erbil, 1982: Wednesday 6 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": "1982-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-06", "confidence": "determinate" } ], "quote": "In Erbil, Putradā Ekādaśī 1982 falls on Wednesday 6 January. Ekādaśī runs from 14:55 on Tue 5 Jan to 12:06 on Wed 6 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-01-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29226, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-01-07T08:57:26+03:00", "utc": "1982-01-07T05:57:26Z", "ms": 379231046454.49475 }, "end": { "local": "1982-01-08T05:36:09+03:00", "utc": "1982-01-08T02:36:09Z", "ms": 379305369310.1059 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-01-07T08:57:26+03:00", "utc": "1982-01-07T05:57:26Z", "ms": 379231046454.49475 }, "end": { "local": "1982-01-08T05:36:09+03:00", "utc": "1982-01-08T02:36:09Z", "ms": 379305369310.1059 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-01-07", "window": { "start": { "local": "1982-01-07T17:04:32+03:00", "utc": "1982-01-07T14:04:32Z", "ms": 379260272305.32495 }, "end": { "local": "1982-01-07T18:58:03+03:00", "utc": "1982-01-07T15:58:03Z", "ms": 379267083453.04706 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1982-01-08", "window": { "start": { "local": "1982-01-08T17:05:26+03:00", "utc": "1982-01-08T14:05:26Z", "ms": 379346725709.6534 }, "end": { "local": "1982-01-08T18:58:49+03:00", "utc": "1982-01-08T15:58:49Z", "ms": 379353529264.8568 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:57 on Thu 7 Jan to 05:36 on Fri 8 Jan.", "fact": "1982-01-07T05:57:26Z → 1982-01-08T02:36:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:05–18:58 on the 7th, 17:05–18:59 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 114 of 114 minutes on the 7th and 0 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 29226 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Thursday 7 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": "1982-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-07", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Thursday 7 January. Trayodaśī runs from 08:57 on Thu 7 Jan to 05:36 on Fri 8 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-01-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18374, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-01-12T15:06:35+03:00", "utc": "1982-01-12T12:06:35Z", "ms": 379685194738.52185 }, "end": { "local": "1982-01-13T13:42:34+03:00", "utc": "1982-01-13T10:42:34Z", "ms": 379766553897.8919 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-12T15:06:35+03:00", "utc": "1982-01-12T12:06:35Z", "ms": 379685194738.52185 }, "end": { "local": "1982-01-13T13:42:34+03:00", "utc": "1982-01-13T10:42:34Z", "ms": 379766553897.8919 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-01-12", "window": { "start": { "local": "1982-01-12T20:12:49+03:00", "utc": "1982-01-12T17:12:49Z", "ms": 379703569113.60736 }, "end": { "local": "1982-01-12T20:12:49+03:00", "utc": "1982-01-12T17:12:49Z", "ms": 379703569113.60736 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-01-13", "window": { "start": { "local": "1982-01-13T21:17:52+03:00", "utc": "1982-01-13T18:17:52Z", "ms": 379793871654.74164 }, "end": { "local": "1982-01-13T21:17:52+03:00", "utc": "1982-01-13T18:17:52Z", "ms": 379793871654.74164 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:07 on Tue 12 Jan to 13:43 on Wed 13 Jan.", "fact": "1982-01-12T12:06:35Z → 1982-01-13T10:42:34Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 12th and 21:18 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18374 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Tuesday 12 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": "1982-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-12", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Tuesday 12 January. Caturthī runs from 15:07 on Tue 12 Jan to 13:43 on Wed 13 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41316, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-02-12T18:44:07+03:00", "utc": "1982-02-12T15:44:07Z", "ms": 382376646642.36884 } }, "span": { "of": "transit", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 } }, "kaala": "sunset-day", "days": [ { "local_date": "1982-01-14", "window": { "start": { "local": "1982-01-13T17:10:06+03:00", "utc": "1982-01-13T14:10:06Z", "ms": 379779005958.0902 }, "end": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1982-01-15", "window": { "start": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 }, "end": { "local": "1982-01-15T17:12:03+03:00", "utc": "1982-01-15T14:12:03Z", "ms": 379951923400.51733 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1982-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:42 on Thu 14 Jan.", "fact": "1982-01-14T02:42:29Z · 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 17:11, and the day of the 15th ends at 17:12.", "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 41316 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Erbil, 1982: Wednesday 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": "1982-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1982-01-13", "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": "1982-01-12", "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 Erbil, Bhogi 1982 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 05:42 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41316, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-02-12T18:44:07+03:00", "utc": "1982-02-12T15:44:07Z", "ms": 382376646642.36884 } }, "span": { "of": "transit", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 } }, "kaala": "sunset-day", "days": [ { "local_date": "1982-01-14", "window": { "start": { "local": "1982-01-13T17:10:06+03:00", "utc": "1982-01-13T14:10:06Z", "ms": 379779005958.0902 }, "end": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1982-01-15", "window": { "start": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 }, "end": { "local": "1982-01-15T17:12:03+03:00", "utc": "1982-01-15T14:12:03Z", "ms": 379951923400.51733 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:42 on Thu 14 Jan.", "fact": "1982-01-14T02:42:29Z · 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 17:11, and the day of the 15th ends at 17:12.", "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 41316 s" }, { "step": "ruling", "text": "Pongal, Erbil, 1982: Thursday 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": "1982-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1982-01-14", "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": "1982-01-13", "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 Erbil, Pongal (Tai Pongal) 1982 falls on Thursday 14 January. The Sun enters Makara at 05:42 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20549, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-02-12T18:44:07+03:00", "utc": "1982-02-12T15:44:07Z", "ms": 382376646642.36884 } }, "span": { "of": "transit", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 } }, "kaala": "civil-day", "days": [ { "local_date": "1982-01-13", "window": { "start": { "local": "1982-01-13T00:00:00+03:00", "utc": "1982-01-12T21:00:00Z", "ms": 379717200000 }, "end": { "local": "1982-01-14T00:00:00+03:00", "utc": "1982-01-13T21:00:00Z", "ms": 379803600000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1982-01-14", "window": { "start": { "local": "1982-01-14T00:00:00+03:00", "utc": "1982-01-13T21:00:00Z", "ms": 379803600000 }, "end": { "local": "1982-01-15T00:00:00+03:00", "utc": "1982-01-14T21:00:00Z", "ms": 379890000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:42 on Thu 14 Jan.", "fact": "1982-01-14T02:42:29Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Erbil.", "fact": "civil-day: midnight-to-midnight · Asia/Baghdad" }, { "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 20549 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Erbil, 1982: Thursday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1982-01-13", "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." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1982-01-14", "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 Erbil, Makara Saṅkrānti 1982 falls on Thursday 14 January. The Sun enters Makara at 05:42 on Thu 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41316, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-02-12T18:44:07+03:00", "utc": "1982-02-12T15:44:07Z", "ms": 382376646642.36884 } }, "span": { "of": "transit", "start": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 }, "end": { "local": "1982-01-14T05:42:29+03:00", "utc": "1982-01-14T02:42:29Z", "ms": 379824148822.85406 } }, "kaala": "sunset-day", "days": [ { "local_date": "1982-01-14", "window": { "start": { "local": "1982-01-13T17:10:06+03:00", "utc": "1982-01-13T14:10:06Z", "ms": 379779005958.0902 }, "end": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1982-01-15", "window": { "start": { "local": "1982-01-14T17:11:04+03:00", "utc": "1982-01-14T14:11:04Z", "ms": 379865464342.8545 }, "end": { "local": "1982-01-15T17:12:03+03:00", "utc": "1982-01-15T14:12:03Z", "ms": 379951923400.51733 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1982-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 05:42 on Thu 14 Jan.", "fact": "1982-01-14T02:42:29Z · 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 17:11, and the day of the 15th ends at 17:12.", "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 41316 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Erbil, 1982: Friday 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": "1982-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1982-01-15", "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": "1982-01-14", "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 Erbil, Mattu Pongal 1982 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 05:42 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-01-20", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28400, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-01-19T20:38:03+03:00", "utc": "1982-01-19T17:38:03Z", "ms": 380309882605.5366 }, "end": { "local": "1982-01-20T23:19:17+03:00", "utc": "1982-01-20T20:19:17Z", "ms": 380405957191.3644 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-19T20:38:03+03:00", "utc": "1982-01-19T17:38:03Z", "ms": 380309882605.5366 }, "end": { "local": "1982-01-20T23:19:17+03:00", "utc": "1982-01-20T20:19:17Z", "ms": 380405957191.3644 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-01-20", "window": { "start": { "local": "1982-01-20T07:13:04+03:00", "utc": "1982-01-20T04:13:04Z", "ms": 380347984120.45105 }, "end": { "local": "1982-01-20T07:13:04+03:00", "utc": "1982-01-20T04:13:04Z", "ms": 380347984120.45105 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-01-21", "window": { "start": { "local": "1982-01-21T07:12:37+03:00", "utc": "1982-01-21T04:12:37Z", "ms": 380434357354.96674 }, "end": { "local": "1982-01-21T07:12:37+03:00", "utc": "1982-01-21T04:12:37Z", "ms": 380434357354.96674 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:38 on Tue 19 Jan to 23:19 on Wed 20 Jan.", "fact": "1982-01-19T17:38:03Z → 1982-01-20T20:19:17Z" }, { "step": "kaala", "text": "Sunrise is at 07:13 on the 20th and 07:13 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 28400 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Erbil, 1982: Wednesday 20 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": "1982-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-20", "confidence": "determinate" } ], "quote": "In Erbil, Ṣaṭtilā Ekādaśī 1982 falls on Wednesday 20 January. Ekādaśī runs from 20:38 on Tue 19 Jan to 23:19 on Wed 20 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-01-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24421, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-01-22T01:56:23+03:00", "utc": "1982-01-21T22:56:23Z", "ms": 380501782560.0647 }, "end": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-22T01:56:23+03:00", "utc": "1982-01-21T22:56:23Z", "ms": 380501782560.0647 }, "end": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-01-21", "window": { "start": { "local": "1982-01-21T17:18:09+03:00", "utc": "1982-01-21T14:18:09Z", "ms": 380470689262.9596 }, "end": { "local": "1982-01-21T19:09:21+03:00", "utc": "1982-01-21T16:09:21Z", "ms": 380477361193.0927 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "1982-01-22", "window": { "start": { "local": "1982-01-22T17:19:12+03:00", "utc": "1982-01-22T14:19:12Z", "ms": 380557151725.59863 }, "end": { "local": "1982-01-22T19:10:11+03:00", "utc": "1982-01-22T16:10:11Z", "ms": 380563811267.4645 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:56 on Fri 22 Jan to 04:19 on Sat 23 Jan.", "fact": "1982-01-21T22:56:23Z → 1982-01-23T01:19:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:09 on the 21st, 17:19–19:10 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 111 minutes on the 21st and 111 of 111 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 24421 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Friday 22 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": "1982-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-22", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Friday 22 January. Trayodaśī runs from 01:56 on Fri 22 Jan to 04:19 on Sat 23 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3031, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 }, "end": { "local": "1982-01-24T06:20:35+03:00", "utc": "1982-01-24T03:20:35Z", "ms": 380690434607.7875 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 }, "end": { "local": "1982-01-24T06:20:35+03:00", "utc": "1982-01-24T03:20:35Z", "ms": 380690434607.7875 } }, "kaala": "arunodaya", "days": [ { "local_date": "1982-01-23", "window": { "start": { "local": "1982-01-23T05:20:39+03:00", "utc": "1982-01-23T02:20:39Z", "ms": 380600438747.7265 }, "end": { "local": "1982-01-23T07:11:38+03:00", "utc": "1982-01-23T04:11:38Z", "ms": 380607098289.59235 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1982-01-24", "window": { "start": { "local": "1982-01-24T05:20:19+03:00", "utc": "1982-01-24T02:20:19Z", "ms": 380686819153.633 }, "end": { "local": "1982-01-24T07:11:06+03:00", "utc": "1982-01-24T04:11:06Z", "ms": 380693466024.7886 } }, "covered_min": 60, "window_min": 111, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:19 on Sat 23 Jan to 06:21 on Sun 24 Jan.", "fact": "1982-01-23T01:19:14Z → 1982-01-24T03:20:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:21–07:12 on the 23rd, 05:20–07:11 on the 24th.", "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 111 of 111 minutes on the 23rd and 60 of 111 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 3031 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Erbil, 1982: Saturday 23 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1982-01-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-23", "confidence": "boundary" } ], "quote": "In Erbil, Yama Tarpaṇa 1982 falls on Saturday 23 January. Caturdaśī runs from 04:19 on Sat 23 Jan to 06:21 on Sun 24 Jan and covers all of aruṇodaya that dawn. It also reaches the next dawn for 60 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/erbil/festivals/1982/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": "/erbil/festivals/1982/shivaratri?on=1982-01-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13189, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 }, "end": { "local": "1982-01-24T06:20:35+03:00", "utc": "1982-01-24T03:20:35Z", "ms": 380690434607.7875 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-23T04:19:14+03:00", "utc": "1982-01-23T01:19:14Z", "ms": 380596753971.7879 }, "end": { "local": "1982-01-24T06:20:35+03:00", "utc": "1982-01-24T03:20:35Z", "ms": 380690434607.7875 } }, "kaala": "nishita", "days": [ { "local_date": "1982-01-22", "window": { "start": { "local": "1982-01-22T23:51:25+03:00", "utc": "1982-01-22T20:51:25Z", "ms": 380580685007.59546 }, "end": { "local": "1982-01-23T00:39:25+03:00", "utc": "1982-01-22T21:39:25Z", "ms": 380583565007.59546 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-01-23", "window": { "start": { "local": "1982-01-23T23:51:40+03:00", "utc": "1982-01-23T20:51:40Z", "ms": 380667100257.95514 }, "end": { "local": "1982-01-24T00:39:40+03:00", "utc": "1982-01-23T21:39:40Z", "ms": 380669980257.95514 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:19 on Sat 23 Jan to 06:21 on Sun 24 Jan.", "fact": "1982-01-23T01:19:14Z → 1982-01-24T03:20:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 22nd, 23:52–00:40 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13189 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Saturday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-23", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Saturday 23 January. Caturdaśī runs from 04:19 on Sat 23 Jan to 06:21 on Sun 24 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7219, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-01-28T09:52:46+03:00", "utc": "1982-01-28T06:52:46Z", "ms": 381048765959.09106 }, "end": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-28T09:52:46+03:00", "utc": "1982-01-28T06:52:46Z", "ms": 381048765959.09106 }, "end": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-01-28", "window": { "start": { "local": "1982-01-28T11:53:05+03:00", "utc": "1982-01-28T08:53:05Z", "ms": 381055985272.55023 }, "end": { "local": "1982-01-28T12:41:05+03:00", "utc": "1982-01-28T09:41:05Z", "ms": 381058865272.55023 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-01-29", "window": { "start": { "local": "1982-01-29T11:53:17+03:00", "utc": "1982-01-29T08:53:17Z", "ms": 381142396595.12024 }, "end": { "local": "1982-01-29T12:41:17+03:00", "utc": "1982-01-29T09:41:17Z", "ms": 381145276595.12024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:53 on Thu 28 Jan to 09:37 on Fri 29 Jan.", "fact": "1982-01-28T06:52:46Z → 1982-01-29T06:36:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 28th, 11:53–12:41 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7219 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Erbil, 1982: Thursday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-28", "confidence": "determinate" } ], "quote": "In Erbil, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1982 falls on Thursday 28 January. Caturthī runs from 09:53 on Thu 28 Jan to 09:37 on Fri 29 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27165, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-01-28T09:52:46+03:00", "utc": "1982-01-28T06:52:46Z", "ms": 381048765959.09106 }, "end": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-28T09:52:46+03:00", "utc": "1982-01-28T06:52:46Z", "ms": 381048765959.09106 }, "end": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-01-28", "window": { "start": { "local": "1982-01-28T17:25:31+03:00", "utc": "1982-01-28T14:25:31Z", "ms": 381075931350.2274 }, "end": { "local": "1982-01-28T19:15:11+03:00", "utc": "1982-01-28T16:15:11Z", "ms": 381082510923.22046 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "1982-01-29", "window": { "start": { "local": "1982-01-29T17:26:35+03:00", "utc": "1982-01-29T14:26:35Z", "ms": 381162395042.56506 }, "end": { "local": "1982-01-29T19:16:00+03:00", "utc": "1982-01-29T16:16:00Z", "ms": 381168960424.79535 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:53 on Thu 28 Jan to 09:37 on Fri 29 Jan.", "fact": "1982-01-28T06:52:46Z → 1982-01-29T06:36:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:15 on the 28th, 17:27–19:16 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 110 of 110 minutes on the 28th and 0 of 109 on the 29th.", "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 27165 s" }, { "step": "ruling", "text": "Tila Caturthī, Erbil, 1982: Thursday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-28", "confidence": "determinate" } ], "quote": "In Erbil, Tila Caturthī 1982 falls on Thursday 28 January. Caturthī runs from 09:53 on Thu 28 Jan to 09:37 on Fri 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8194, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "end": { "local": "1982-01-30T08:55:02+03:00", "utc": "1982-01-30T05:55:02Z", "ms": 381218102202.32275 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "end": { "local": "1982-01-30T08:55:02+03:00", "utc": "1982-01-30T05:55:02Z", "ms": 381218102202.32275 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-01-29", "window": { "start": { "local": "1982-01-29T11:53:17+03:00", "utc": "1982-01-29T08:53:17Z", "ms": 381142396595.12024 }, "end": { "local": "1982-01-29T12:41:17+03:00", "utc": "1982-01-29T09:41:17Z", "ms": 381145276595.12024 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-01-30", "window": { "start": { "local": "1982-01-30T11:53:27+03:00", "utc": "1982-01-30T08:53:27Z", "ms": 381228807081.4944 }, "end": { "local": "1982-01-30T12:41:27+03:00", "utc": "1982-01-30T09:41:27Z", "ms": 381231687081.4944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:37 on Fri 29 Jan to 08:55 on Sat 30 Jan.", "fact": "1982-01-29T06:36:42Z → 1982-01-30T05:55:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 29th, 11:53–12:41 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8194 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Erbil, 1982: Friday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-29", "confidence": "determinate" } ], "quote": "In Erbil, Śrī Pañcamī 1982 falls on Friday 29 January. Pañcamī runs from 09:37 on Fri 29 Jan to 08:55 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8194, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "end": { "local": "1982-01-30T08:55:02+03:00", "utc": "1982-01-30T05:55:02Z", "ms": 381218102202.32275 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-29T09:36:42+03:00", "utc": "1982-01-29T06:36:42Z", "ms": 381134202439.59644 }, "end": { "local": "1982-01-30T08:55:02+03:00", "utc": "1982-01-30T05:55:02Z", "ms": 381218102202.32275 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-01-29", "window": { "start": { "local": "1982-01-29T11:53:17+03:00", "utc": "1982-01-29T08:53:17Z", "ms": 381142396595.12024 }, "end": { "local": "1982-01-29T12:41:17+03:00", "utc": "1982-01-29T09:41:17Z", "ms": 381145276595.12024 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-01-30", "window": { "start": { "local": "1982-01-30T11:53:27+03:00", "utc": "1982-01-30T08:53:27Z", "ms": 381228807081.4944 }, "end": { "local": "1982-01-30T12:41:27+03:00", "utc": "1982-01-30T09:41:27Z", "ms": 381231687081.4944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:37 on Fri 29 Jan to 08:55 on Sat 30 Jan.", "fact": "1982-01-29T06:36:42Z → 1982-01-30T05:55:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 29th, 11:53–12:41 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8194 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Erbil, 1982: Friday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-01-29", "confidence": "determinate" } ], "quote": "In Erbil, Vasanta Pañcamī (Basant Panchami) 1982 falls on Friday 29 January. Pañcamī runs from 09:37 on Fri 29 Jan to 08:55 on Sat 30 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2553, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-01-31T07:49:04+03:00", "utc": "1982-01-31T04:49:04Z", "ms": 381300544213.7966 }, "end": { "local": "1982-02-01T06:20:15+03:00", "utc": "1982-02-01T03:20:15Z", "ms": 381381615319.8842 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-01-31T07:49:04+03:00", "utc": "1982-01-31T04:49:04Z", "ms": 381300544213.7966 }, "end": { "local": "1982-02-01T06:20:15+03:00", "utc": "1982-02-01T03:20:15Z", "ms": 381381615319.8842 } }, "kaala": "arunodaya", "days": [ { "local_date": "1982-01-31", "window": { "start": { "local": "1982-01-31T05:17:20+03:00", "utc": "1982-01-31T02:17:20Z", "ms": 381291440037.5627 }, "end": { "local": "1982-01-31T07:06:31+03:00", "utc": "1982-01-31T04:06:31Z", "ms": 381297991004.31134 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1982-02-01", "window": { "start": { "local": "1982-02-01T05:16:49+03:00", "utc": "1982-02-01T02:16:49Z", "ms": 381377808624.33246 }, "end": { "local": "1982-02-01T07:05:45+03:00", "utc": "1982-02-01T04:05:45Z", "ms": 381384344958.8968 } }, "covered_min": 63, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:49 on Sun 31 Jan to 06:20 on Mon 1 Feb.", "fact": "1982-01-31T04:49:04Z → 1982-02-01T03:20:15Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:17–07:07 on the 31st, 05:17–07:06 on the 1st.", "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 109 minutes on the 31st and 63 of 109 on the 1st.", "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 2553 s" }, { "step": "ruling", "text": "Ratha Saptamī, Erbil, 1982: Monday 1 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": "1982-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-01", "confidence": "determinate" } ], "quote": "In Erbil, Ratha Saptamī 1982 falls on Monday 1 February. Saptamī runs from 07:49 on Sun 31 Jan to 06:20 on Mon 1 Feb and covers 63 of 109 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-02-04", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25554, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-02-03T23:57:23+03:00", "utc": "1982-02-03T20:57:23Z", "ms": 381617843143.5212 }, "end": { "local": "1982-02-04T21:21:27+03:00", "utc": "1982-02-04T18:21:27Z", "ms": 381694887467.8216 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-02-03T23:57:23+03:00", "utc": "1982-02-03T20:57:23Z", "ms": 381617843143.5212 }, "end": { "local": "1982-02-04T21:21:27+03:00", "utc": "1982-02-04T18:21:27Z", "ms": 381694887467.8216 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-02-04", "window": { "start": { "local": "1982-02-04T07:03:17+03:00", "utc": "1982-02-04T04:03:17Z", "ms": 381643397267.2479 }, "end": { "local": "1982-02-04T07:03:17+03:00", "utc": "1982-02-04T04:03:17Z", "ms": 381643397267.2479 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-02-05", "window": { "start": { "local": "1982-02-05T07:02:25+03:00", "utc": "1982-02-05T04:02:25Z", "ms": 381729744955.58887 }, "end": { "local": "1982-02-05T07:02:25+03:00", "utc": "1982-02-05T04:02:25Z", "ms": 381729744955.58887 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:57 on Wed 3 Feb to 21:21 on Thu 4 Feb.", "fact": "1982-02-03T20:57:23Z → 1982-02-04T18:21:27Z" }, { "step": "kaala", "text": "Sunrise is at 07:03 on the 4th and 07:02 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 25554 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Erbil, 1982: Thursday 4 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": "1982-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-04", "confidence": "determinate" } ], "quote": "In Erbil, Jayā Ekādaśī 1982 falls on Thursday 4 February. Ekādaśī runs from 23:57 on Wed 3 Feb to 21:21 on Thu 4 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21406, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-02-04T21:21:27+03:00", "utc": "1982-02-04T18:21:27Z", "ms": 381694887467.8216 }, "end": { "local": "1982-02-05T18:38:59+03:00", "utc": "1982-02-05T15:38:59Z", "ms": 381771538718.5668 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-02-04T21:21:27+03:00", "utc": "1982-02-04T18:21:27Z", "ms": 381694887467.8216 }, "end": { "local": "1982-02-05T18:38:59+03:00", "utc": "1982-02-05T15:38:59Z", "ms": 381771538718.5668 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-02-04", "window": { "start": { "local": "1982-02-04T11:54:07+03:00", "utc": "1982-02-04T08:54:07Z", "ms": 381660846875.00073 }, "end": { "local": "1982-02-04T12:42:07+03:00", "utc": "1982-02-04T09:42:07Z", "ms": 381663726875.00073 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-02-05", "window": { "start": { "local": "1982-02-05T11:54:12+03:00", "utc": "1982-02-05T08:54:12Z", "ms": 381747252315.3883 }, "end": { "local": "1982-02-05T12:42:12+03:00", "utc": "1982-02-05T09:42:12Z", "ms": 381750132315.3883 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:21 on Thu 4 Feb to 18:39 on Fri 5 Feb.", "fact": "1982-02-04T18:21:27Z → 1982-02-05T15:38:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 4th, 11:54–12:42 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21406 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Erbil, 1982: Friday 5 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": "1982-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-05", "confidence": "determinate" } ], "quote": "In Erbil, Bhīṣma Dvādaśī 1982 falls on Friday 5 February. Dvādaśī runs from 21:21 on Thu 4 Feb to 18:39 on Fri 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-02-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2561, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-02-05T18:38:59+03:00", "utc": "1982-02-05T15:38:59Z", "ms": 381771538718.5668 }, "end": { "local": "1982-02-06T15:56:01+03:00", "utc": "1982-02-06T12:56:01Z", "ms": 381848160636.5466 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-02-05T18:38:59+03:00", "utc": "1982-02-05T15:38:59Z", "ms": 381771538718.5668 }, "end": { "local": "1982-02-06T15:56:01+03:00", "utc": "1982-02-06T12:56:01Z", "ms": 381848160636.5466 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-02-05", "window": { "start": { "local": "1982-02-05T17:34:00+03:00", "utc": "1982-02-05T14:34:00Z", "ms": 381767639675.1878 }, "end": { "local": "1982-02-05T19:21:40+03:00", "utc": "1982-02-05T16:21:40Z", "ms": 381774099873.03296 } }, "covered_min": 43, "window_min": 108, "qualifies": true }, { "local_date": "1982-02-06", "window": { "start": { "local": "1982-02-06T17:35:03+03:00", "utc": "1982-02-06T14:35:03Z", "ms": 381854102699.4916 }, "end": { "local": "1982-02-06T19:22:27+03:00", "utc": "1982-02-06T16:22:27Z", "ms": 381860547127.87384 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:39 on Fri 5 Feb to 15:56 on Sat 6 Feb.", "fact": "1982-02-05T15:38:59Z → 1982-02-06T12:56:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:22 on the 5th, 17:35–19:22 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 43 of 108 minutes on the 5th and 0 of 107 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 2561 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Friday 5 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": "1982-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-05", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Friday 5 February. Trayodaśī runs from 18:39 on Fri 5 Feb to 15:56 on Sat 6 Feb and covers 43 of 108 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2230, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-02-07T13:19:30+03:00", "utc": "1982-02-07T10:19:30Z", "ms": 381925170467.6877 }, "end": { "local": "1982-02-08T10:57:07+03:00", "utc": "1982-02-08T07:57:07Z", "ms": 382003026597.3295 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1982-02-07T13:19:30+03:00", "utc": "1982-02-07T10:19:30Z", "ms": 381925170467.6877 }, "end": { "local": "1982-02-08T10:57:07+03:00", "utc": "1982-02-08T07:57:07Z", "ms": 382003026597.3295 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-02-07", "window": { "start": { "local": "1982-02-07T11:54:21+03:00", "utc": "1982-02-07T08:54:21Z", "ms": 381920060725.93494 }, "end": { "local": "1982-02-07T12:42:21+03:00", "utc": "1982-02-07T09:42:21Z", "ms": 381922940725.93494 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-02-08", "window": { "start": { "local": "1982-02-08T11:54:24+03:00", "utc": "1982-02-08T08:54:24Z", "ms": 382006463716.07153 }, "end": { "local": "1982-02-08T12:42:24+03:00", "utc": "1982-02-08T09:42:24Z", "ms": 382009343716.07153 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:20 on Sun 7 Feb to 10:57 on Mon 8 Feb.", "fact": "1982-02-07T10:19:30Z → 1982-02-08T07:57:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 7th, 11:54–12:42 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 2230 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Erbil, 1982: Monday 8 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": "1982-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-07", "confidence": "boundary" } ], "quote": "In Erbil, Māghī Pūrṇimā 1982 falls on Monday 8 February. Pūrṇimā runs from 13:20 on Sun 7 Feb to 10:57 on Mon 8 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-02-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33520, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-02-11T06:33:18+03:00", "utc": "1982-02-11T03:33:18Z", "ms": 382246397787.16833 }, "end": { "local": "1982-02-12T06:22:33+03:00", "utc": "1982-02-12T03:22:33Z", "ms": 382332153049.739 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-02-11T06:33:18+03:00", "utc": "1982-02-11T03:33:18Z", "ms": 382246397787.16833 }, "end": { "local": "1982-02-12T06:22:33+03:00", "utc": "1982-02-12T03:22:33Z", "ms": 382332153049.739 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-02-10", "window": { "start": { "local": "1982-02-10T20:01:39+03:00", "utc": "1982-02-10T17:01:39Z", "ms": 382208499002.3543 }, "end": { "local": "1982-02-10T20:01:39+03:00", "utc": "1982-02-10T17:01:39Z", "ms": 382208499002.3543 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-02-11", "window": { "start": { "local": "1982-02-11T21:03:53+03:00", "utc": "1982-02-11T18:03:53Z", "ms": 382298632834.3188 }, "end": { "local": "1982-02-11T21:03:53+03:00", "utc": "1982-02-11T18:03:53Z", "ms": 382298632834.3188 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:33 on Thu 11 Feb to 06:23 on Fri 12 Feb.", "fact": "1982-02-11T03:33:18Z → 1982-02-12T03:22:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:02 on the 10th and 21:04 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33520 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Thursday 11 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": "1982-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-11", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Thursday 11 February. Caturthī runs from 06:33 on Thu 11 Feb to 06:23 on Fri 12 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-02-19", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38131, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-02-18T17:50:16+03:00", "utc": "1982-02-18T14:50:16Z", "ms": 382891816430.58075 }, "end": { "local": "1982-02-19T20:11:11+03:00", "utc": "1982-02-19T17:11:11Z", "ms": 382986670735.94855 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-02-18T17:50:16+03:00", "utc": "1982-02-18T14:50:16Z", "ms": 382891816430.58075 }, "end": { "local": "1982-02-19T20:11:11+03:00", "utc": "1982-02-19T17:11:11Z", "ms": 382986670735.94855 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-02-19", "window": { "start": { "local": "1982-02-19T06:47:52+03:00", "utc": "1982-02-19T03:47:52Z", "ms": 382938472385.09546 }, "end": { "local": "1982-02-19T06:47:52+03:00", "utc": "1982-02-19T03:47:52Z", "ms": 382938472385.09546 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-02-20", "window": { "start": { "local": "1982-02-20T06:46:41+03:00", "utc": "1982-02-20T03:46:41Z", "ms": 383024801381.3251 }, "end": { "local": "1982-02-20T06:46:41+03:00", "utc": "1982-02-20T03:46:41Z", "ms": 383024801381.3251 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:50 on Thu 18 Feb to 20:11 on Fri 19 Feb.", "fact": "1982-02-18T14:50:16Z → 1982-02-19T17:11:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 19th and 06:47 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38131 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Erbil, 1982: Friday 19 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": "1982-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-19", "confidence": "determinate" } ], "quote": "In Erbil, Vijayā Ekādaśī 1982 falls on Friday 19 February. Ekādaśī runs from 17:50 on Thu 18 Feb to 20:11 on Fri 19 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-disputed" ], "boundary_margin_s": 834, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-02-21T23:24:38+03:00", "utc": "1982-02-21T20:24:38Z", "ms": 383171077882.9277 }, "end": { "local": "1982-02-23T00:07:05+03:00", "utc": "1982-02-22T21:07:05Z", "ms": 383260024970.673 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-02-21T23:24:38+03:00", "utc": "1982-02-21T20:24:38Z", "ms": 383171077882.9277 }, "end": { "local": "1982-02-23T00:07:05+03:00", "utc": "1982-02-22T21:07:05Z", "ms": 383260024970.673 } }, "kaala": "nishita", "days": [ { "local_date": "1982-02-21", "window": { "start": { "local": "1982-02-21T23:53:18+03:00", "utc": "1982-02-21T20:53:18Z", "ms": 383172798124.6079 }, "end": { "local": "1982-02-22T00:41:18+03:00", "utc": "1982-02-21T21:41:18Z", "ms": 383175678124.6079 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-02-22", "window": { "start": { "local": "1982-02-22T23:53:11+03:00", "utc": "1982-02-22T20:53:11Z", "ms": 383259190608.7108 }, "end": { "local": "1982-02-23T00:41:11+03:00", "utc": "1982-02-22T21:41:11Z", "ms": 383262070608.7108 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:25 on Sun 21 Feb to 00:07 on Tue 23 Feb.", "fact": "1982-02-21T20:24:38Z → 1982-02-22T21:07:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 21st, 23:53–00:41 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 14 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both nights qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.", "fact": "priority: disputed → greater-coverage · margin 834 s" }, { "step": "ruling", "text": "Mahāśivarātri, Erbil, 1982: Sunday 21 February.", "fact": "confidence: boundary (tie-break-disputed)" } ], "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": "1982-02-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-21", "confidence": "boundary" } ], "quote": "In Erbil, Mahāśivarātri (Shivratri) 1982 falls on Sunday 21 February. Caturdaśī runs from 23:25 on Sun 21 Feb to 00:07 on Tue 23 Feb and covers all of niśītha that night. It also reaches the next night for 14 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/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-02-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9132, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-02-20T22:05:02+03:00", "utc": "1982-02-20T19:05:02Z", "ms": 383079901521.7827 }, "end": { "local": "1982-02-21T23:24:38+03:00", "utc": "1982-02-21T20:24:38Z", "ms": 383171077882.9277 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-02-20T22:05:02+03:00", "utc": "1982-02-20T19:05:02Z", "ms": 383079901521.7827 }, "end": { "local": "1982-02-21T23:24:38+03:00", "utc": "1982-02-21T20:24:38Z", "ms": 383171077882.9277 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-02-20", "window": { "start": { "local": "1982-02-20T17:49:21+03:00", "utc": "1982-02-20T14:49:21Z", "ms": 383064560641.11444 }, "end": { "local": "1982-02-20T19:32:50+03:00", "utc": "1982-02-20T16:32:50Z", "ms": 383070769807.7044 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1982-02-21", "window": { "start": { "local": "1982-02-21T17:50:20+03:00", "utc": "1982-02-21T14:50:20Z", "ms": 383151019806.3059 }, "end": { "local": "1982-02-21T19:33:31+03:00", "utc": "1982-02-21T16:33:31Z", "ms": 383157211357.8531 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:05 on Sat 20 Feb to 23:25 on Sun 21 Feb.", "fact": "1982-02-20T19:05:02Z → 1982-02-21T20:24:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:33 on the 20th, 17:50–19:34 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 20th and 103 of 103 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9132 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Sunday 21 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": "1982-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-21", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Sunday 21 February. Trayodaśī runs from 22:05 on Sat 20 Feb to 23:25 on Sun 21 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-02-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26238, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-02-26T21:33:08+03:00", "utc": "1982-02-26T18:33:08Z", "ms": 383596387601.68726 }, "end": { "local": "1982-02-27T19:58:21+03:00", "utc": "1982-02-27T16:58:21Z", "ms": 383677101252.203 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-02-26T21:33:08+03:00", "utc": "1982-02-26T18:33:08Z", "ms": 383596387601.68726 }, "end": { "local": "1982-02-27T19:58:21+03:00", "utc": "1982-02-27T16:58:21Z", "ms": 383677101252.203 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-02-26", "window": { "start": { "local": "1982-02-26T11:53:13+03:00", "utc": "1982-02-26T08:53:13Z", "ms": 383561593183.9103 }, "end": { "local": "1982-02-26T12:41:13+03:00", "utc": "1982-02-26T09:41:13Z", "ms": 383564473183.9103 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-02-27", "window": { "start": { "local": "1982-02-27T11:53:03+03:00", "utc": "1982-02-27T08:53:03Z", "ms": 383647983117.6133 }, "end": { "local": "1982-02-27T12:41:03+03:00", "utc": "1982-02-27T09:41:03Z", "ms": 383650863117.6133 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:33 on Fri 26 Feb to 19:58 on Sat 27 Feb.", "fact": "1982-02-26T18:33:08Z → 1982-02-27T16:58:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:53–12:41 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26238 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Saturday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-02-27", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Saturday 27 February. Caturthī runs from 21:33 on Fri 26 Feb to 19:58 on Sat 27 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-03-05", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1406, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-03-05T08:05:50+03:00", "utc": "1982-03-05T05:05:50Z", "ms": 384152750282.12366 }, "end": { "local": "1982-03-06T06:05:11+03:00", "utc": "1982-03-06T03:05:11Z", "ms": 384231910909.39465 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-03-05T08:05:50+03:00", "utc": "1982-03-05T05:05:50Z", "ms": 384152750282.12366 }, "end": { "local": "1982-03-06T06:05:11+03:00", "utc": "1982-03-06T03:05:11Z", "ms": 384231910909.39465 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-03-05", "window": { "start": { "local": "1982-03-05T06:29:59+03:00", "utc": "1982-03-05T03:29:59Z", "ms": 384146999247.6825 }, "end": { "local": "1982-03-05T06:29:59+03:00", "utc": "1982-03-05T03:29:59Z", "ms": 384146999247.6825 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-03-06", "window": { "start": { "local": "1982-03-06T06:28:37+03:00", "utc": "1982-03-06T03:28:37Z", "ms": 384233317127.8209 }, "end": { "local": "1982-03-06T06:28:37+03:00", "utc": "1982-03-06T03:28:37Z", "ms": 384233317127.8209 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:06 on Fri 5 Mar to 06:05 on Sat 6 Mar.", "fact": "1982-03-05T05:05:50Z → 1982-03-06T03:05:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 5th and 06:29 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1406 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Erbil, 1982: Friday 5 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": "1982-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-05", "confidence": "determinate" } ], "quote": "In Erbil, Āmalakī Ekādaśī 1982 falls on Friday 5 March. Ekādaśī runs from 08:06 on Fri 5 Mar to 06:05 on Sat 6 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-03-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24155, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-03-07T04:10:16+03:00", "utc": "1982-03-07T01:10:16Z", "ms": 384311416063.6953 }, "end": { "local": "1982-03-08T02:25:06+03:00", "utc": "1982-03-07T23:25:06Z", "ms": 384391506385.2927 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-03-07T04:10:16+03:00", "utc": "1982-03-07T01:10:16Z", "ms": 384311416063.6953 }, "end": { "local": "1982-03-08T02:25:06+03:00", "utc": "1982-03-07T23:25:06Z", "ms": 384391506385.2927 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-03-06", "window": { "start": { "local": "1982-03-06T18:02:38+03:00", "utc": "1982-03-06T15:02:38Z", "ms": 384274958474.43115 }, "end": { "local": "1982-03-06T19:41:55+03:00", "utc": "1982-03-06T16:41:55Z", "ms": 384280915271.12854 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1982-03-07", "window": { "start": { "local": "1982-03-07T18:03:33+03:00", "utc": "1982-03-07T15:03:33Z", "ms": 384361412983.00824 }, "end": { "local": "1982-03-07T19:42:31+03:00", "utc": "1982-03-07T16:42:31Z", "ms": 384367351418.23816 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:10 on Sun 7 Mar to 02:25 on Mon 8 Mar.", "fact": "1982-03-07T01:10:16Z → 1982-03-07T23:25:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:42 on the 6th, 18:04–19:43 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 6th and 99 of 99 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 24155 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Sunday 7 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": "1982-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-07", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Sunday 7 March. Trayodaśī runs from 04:10 on Sun 7 Mar to 02:25 on Mon 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20386, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-03-09T00:54:46+03:00", "utc": "1982-03-08T21:54:46Z", "ms": 384472485748.18744 }, "end": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-03-09T00:54:46+03:00", "utc": "1982-03-08T21:54:46Z", "ms": 384472485748.18744 }, "end": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 } }, "kaala": "sayahna", "days": [ { "local_date": "1982-03-08", "window": { "start": { "local": "1982-03-08T15:44:44+03:00", "utc": "1982-03-08T12:44:44Z", "ms": 384439484008.0115 }, "end": { "local": "1982-03-08T18:04:27+03:00", "utc": "1982-03-08T15:04:27Z", "ms": 384447867198.2062 } }, "covered_min": 0, "window_min": 140, "qualifies": false }, { "local_date": "1982-03-09", "window": { "start": { "local": "1982-03-09T15:45:10+03:00", "utc": "1982-03-09T12:45:10Z", "ms": 384525910417.9326 }, "end": { "local": "1982-03-09T18:05:21+03:00", "utc": "1982-03-09T15:05:21Z", "ms": 384534321133.77795 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:55 on Tue 9 Mar to 23:45 on Tue 9 Mar.", "fact": "1982-03-08T21:54:46Z → 1982-03-09T20:45:08Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:45–18:04 on the 8th, 15:45–18:05 on the 9th.", "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 140 minutes on the 8th and 140 of 140 on the 9th.", "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 20386 s" }, { "step": "ruling", "text": "Holikā Dahana, Erbil, 1982: Tuesday 9 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": "1982-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-09", "confidence": "determinate" } ], "quote": "In Erbil, Holikā Dahana 1982 falls on Tuesday 9 March. Pūrṇimā runs from 00:55 on Tue 9 Mar to 23:45 on Tue 9 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20386, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-03-09T00:54:46+03:00", "utc": "1982-03-08T21:54:46Z", "ms": 384472485748.18744 }, "end": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1982-03-09T00:54:46+03:00", "utc": "1982-03-08T21:54:46Z", "ms": 384472485748.18744 }, "end": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 } }, "kaala": "sayahna", "days": [ { "local_date": "1982-03-08", "window": { "start": { "local": "1982-03-08T15:44:44+03:00", "utc": "1982-03-08T12:44:44Z", "ms": 384439484008.0115 }, "end": { "local": "1982-03-08T18:04:27+03:00", "utc": "1982-03-08T15:04:27Z", "ms": 384447867198.2062 } }, "covered_min": 0, "window_min": 140, "qualifies": false }, { "local_date": "1982-03-09", "window": { "start": { "local": "1982-03-09T15:45:10+03:00", "utc": "1982-03-09T12:45:10Z", "ms": 384525910417.9326 }, "end": { "local": "1982-03-09T18:05:21+03:00", "utc": "1982-03-09T15:05:21Z", "ms": 384534321133.77795 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1982-03-09", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:55 on Tue 9 Mar to 23:45 on Tue 9 Mar.", "fact": "1982-03-08T21:54:46Z → 1982-03-09T20:45:08Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:45–18:04 on the 8th, 15:45–18:05 on the 9th.", "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 140 minutes on the 8th and 140 of 140 on the 9th.", "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 20386 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 9 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Erbil, 1982: Wednesday 10 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": "1982-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-10", "confidence": "determinate" } ], "quote": "In Erbil, Holī 1982 falls on Wednesday 10 March. It is kept the day after Holikā Dahana, which falls on Tuesday 9 March. Pūrṇimā runs from 00:55 on Tue 9 Mar to 23:45 on Tue 9 Mar and covers all of sāyāhna on the 9th.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23876, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 }, "end": { "local": "1982-03-10T23:02:26+03:00", "utc": "1982-03-10T20:02:26Z", "ms": 384638545951.75287 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-09T23:45:08+03:00", "utc": "1982-03-09T20:45:08Z", "ms": 384554707572.9823 }, "end": { "local": "1982-03-10T23:02:26+03:00", "utc": "1982-03-10T20:02:26Z", "ms": 384638545951.75287 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-03-10", "window": { "start": { "local": "1982-03-10T06:23:03+03:00", "utc": "1982-03-10T03:23:03Z", "ms": 384578583405.3563 }, "end": { "local": "1982-03-10T06:23:03+03:00", "utc": "1982-03-10T03:23:03Z", "ms": 384578583405.3563 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-03-11", "window": { "start": { "local": "1982-03-11T06:21:39+03:00", "utc": "1982-03-11T03:21:39Z", "ms": 384664898833.4778 }, "end": { "local": "1982-03-11T06:21:39+03:00", "utc": "1982-03-11T03:21:39Z", "ms": 384664898833.4778 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:45 on Tue 9 Mar to 23:02 on Wed 10 Mar.", "fact": "1982-03-09T20:45:08Z → 1982-03-10T20:02:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 10th and 06:22 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23876 s" }, { "step": "ruling", "text": "Vasantotsava, Erbil, 1982: Wednesday 10 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": "1982-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-10", "confidence": "determinate" } ], "quote": "In Erbil, Vasantotsava 1982 falls on Wednesday 10 March. Pratipadā runs from 23:45 on Tue 9 Mar to 23:02 on Wed 10 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-03-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9097, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-03-12T23:19:48+03:00", "utc": "1982-03-12T20:19:48Z", "ms": 384812388106.32086 }, "end": { "local": "1982-03-14T00:26:07+03:00", "utc": "1982-03-13T21:26:07Z", "ms": 384902766691.33765 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-12T23:19:48+03:00", "utc": "1982-03-12T20:19:48Z", "ms": 384812388106.32086 }, "end": { "local": "1982-03-14T00:26:07+03:00", "utc": "1982-03-13T21:26:07Z", "ms": 384902766691.33765 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-03-12", "window": { "start": { "local": "1982-03-12T20:48:11+03:00", "utc": "1982-03-12T17:48:11Z", "ms": 384803290861.8928 }, "end": { "local": "1982-03-12T20:48:11+03:00", "utc": "1982-03-12T17:48:11Z", "ms": 384803290861.8928 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-03-13", "window": { "start": { "local": "1982-03-13T21:46:48+03:00", "utc": "1982-03-13T18:46:48Z", "ms": 384893208125.9555 }, "end": { "local": "1982-03-13T21:46:48+03:00", "utc": "1982-03-13T18:46:48Z", "ms": 384893208125.9555 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:20 on Fri 12 Mar to 00:26 on Sun 14 Mar.", "fact": "1982-03-12T20:19:48Z → 1982-03-13T21:26:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:48 on the 12th and 21:47 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9097 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Saturday 13 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": "1982-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-13", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Saturday 13 March. Caturthī runs from 23:20 on Fri 12 Mar to 00:26 on Sun 14 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8159, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-03-17T06:55:47+03:00", "utc": "1982-03-17T03:55:47Z", "ms": 385185347115.6093 }, "end": { "local": "1982-03-18T09:32:28+03:00", "utc": "1982-03-18T06:32:28Z", "ms": 385281147587.7616 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-17T06:55:47+03:00", "utc": "1982-03-17T03:55:47Z", "ms": 385185347115.6093 }, "end": { "local": "1982-03-18T09:32:28+03:00", "utc": "1982-03-18T06:32:28Z", "ms": 385281147587.7616 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-17", "window": { "start": { "local": "1982-03-17T11:48:44+03:00", "utc": "1982-03-17T08:48:44Z", "ms": 385202924290.3993 }, "end": { "local": "1982-03-17T12:36:44+03:00", "utc": "1982-03-17T09:36:44Z", "ms": 385205804290.3993 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-18", "window": { "start": { "local": "1982-03-18T11:48:27+03:00", "utc": "1982-03-18T08:48:27Z", "ms": 385289306991.4547 }, "end": { "local": "1982-03-18T12:36:27+03:00", "utc": "1982-03-18T09:36:27Z", "ms": 385292186991.4547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:56 on Wed 17 Mar to 09:32 on Thu 18 Mar.", "fact": "1982-03-17T03:55:47Z → 1982-03-18T06:32:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 17th, 11:48–12:36 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8159 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Erbil, 1982: Wednesday 17 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-17", "confidence": "determinate" } ], "quote": "In Erbil, Śītalāṣṭamī 1982 falls on Wednesday 17 March. Aṣṭamī runs from 06:56 on Wed 17 Mar to 09:32 on Thu 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-03-21", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27934, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-03-20T13:54:18+03:00", "utc": "1982-03-20T10:54:18Z", "ms": 385469658091.6774 }, "end": { "local": "1982-03-21T15:13:35+03:00", "utc": "1982-03-21T12:13:35Z", "ms": 385560814833.9618 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-20T13:54:18+03:00", "utc": "1982-03-20T10:54:18Z", "ms": 385469658091.6774 }, "end": { "local": "1982-03-21T15:13:35+03:00", "utc": "1982-03-21T12:13:35Z", "ms": 385560814833.9618 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-03-20", "window": { "start": { "local": "1982-03-20T06:08:44+03:00", "utc": "1982-03-20T03:08:44Z", "ms": 385441723910.15765 }, "end": { "local": "1982-03-20T06:08:44+03:00", "utc": "1982-03-20T03:08:44Z", "ms": 385441723910.15765 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-03-21", "window": { "start": { "local": "1982-03-21T06:07:17+03:00", "utc": "1982-03-21T03:07:17Z", "ms": 385528036838.407 }, "end": { "local": "1982-03-21T06:07:17+03:00", "utc": "1982-03-21T03:07:17Z", "ms": 385528036838.407 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:54 on Sat 20 Mar to 15:14 on Sun 21 Mar.", "fact": "1982-03-20T10:54:18Z → 1982-03-21T12:13:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 20th and 06:07 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 27934 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Erbil, 1982: Sunday 21 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": "1982-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-21", "confidence": "determinate" } ], "quote": "In Erbil, Pāpamocanī Ekādaśī 1982 falls on Sunday 21 March. Ekādaśī runs from 13:54 on Sat 20 Mar to 15:14 on Sun 21 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-03-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8884, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-03-22T15:48:39+03:00", "utc": "1982-03-22T12:48:39Z", "ms": 385649318917.3403 }, "end": { "local": "1982-03-23T15:38:25+03:00", "utc": "1982-03-23T12:38:25Z", "ms": 385735105314.4758 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-22T15:48:39+03:00", "utc": "1982-03-22T12:48:39Z", "ms": 385649318917.3403 }, "end": { "local": "1982-03-23T15:38:25+03:00", "utc": "1982-03-23T12:38:25Z", "ms": 385735105314.4758 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-03-22", "window": { "start": { "local": "1982-03-22T18:16:43+03:00", "utc": "1982-03-22T15:16:43Z", "ms": 385658203070.6183 }, "end": { "local": "1982-03-22T19:51:04+03:00", "utc": "1982-03-22T16:51:04Z", "ms": 385663864323.04395 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1982-03-23", "window": { "start": { "local": "1982-03-23T18:17:34+03:00", "utc": "1982-03-23T15:17:34Z", "ms": 385744654457.74506 }, "end": { "local": "1982-03-23T19:51:37+03:00", "utc": "1982-03-23T16:51:37Z", "ms": 385750297225.53625 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:49 on Mon 22 Mar to 15:38 on Tue 23 Mar.", "fact": "1982-03-22T12:48:39Z → 1982-03-23T12:38:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:51 on the 22nd, 18:18–19:52 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 94 of 94 minutes on the 22nd and 0 of 94 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 8884 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Monday 22 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": "1982-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-22", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Monday 22 March. Trayodaśī runs from 15:49 on Mon 22 Mar to 15:38 on Tue 23 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-03-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29270, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-03-23T15:38:25+03:00", "utc": "1982-03-23T12:38:25Z", "ms": 385735105314.4758 }, "end": { "local": "1982-03-24T14:46:00+03:00", "utc": "1982-03-24T11:46:00Z", "ms": 385818360164.65283 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-23T15:38:25+03:00", "utc": "1982-03-23T12:38:25Z", "ms": 385735105314.4758 }, "end": { "local": "1982-03-24T14:46:00+03:00", "utc": "1982-03-24T11:46:00Z", "ms": 385818360164.65283 } }, "kaala": "nishita", "days": [ { "local_date": "1982-03-23", "window": { "start": { "local": "1982-03-23T23:46:15+03:00", "utc": "1982-03-23T20:46:15Z", "ms": 385764374836.96204 }, "end": { "local": "1982-03-24T00:34:15+03:00", "utc": "1982-03-23T21:34:15Z", "ms": 385767254836.96204 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-24", "window": { "start": { "local": "1982-03-24T23:45:57+03:00", "utc": "1982-03-24T20:45:57Z", "ms": 385850756851.29614 }, "end": { "local": "1982-03-25T00:33:57+03:00", "utc": "1982-03-24T21:33:57Z", "ms": 385853636851.29614 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:38 on Tue 23 Mar to 14:46 on Wed 24 Mar.", "fact": "1982-03-23T12:38:25Z → 1982-03-24T11:46:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 23rd, 23:46–00:34 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29270 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Tuesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-23", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Tuesday 23 March. Caturdaśī runs from 15:38 on Tue 23 Mar to 14:46 on Wed 24 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1523, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-03-25T13:17:29+03:00", "utc": "1982-03-25T10:17:29Z", "ms": 385899448595.33484 }, "end": { "local": "1982-03-26T11:20:42+03:00", "utc": "1982-03-26T08:20:42Z", "ms": 385978841673.13434 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-25T13:17:29+03:00", "utc": "1982-03-25T10:17:29Z", "ms": 385899448595.33484 }, "end": { "local": "1982-03-26T11:20:42+03:00", "utc": "1982-03-26T08:20:42Z", "ms": 385978841673.13434 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-25", "window": { "start": { "local": "1982-03-25T11:46:22+03:00", "utc": "1982-03-25T08:46:22Z", "ms": 385893982441.6587 }, "end": { "local": "1982-03-25T12:34:22+03:00", "utc": "1982-03-25T09:34:22Z", "ms": 385896862441.6587 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-03-26", "window": { "start": { "local": "1982-03-26T11:46:04+03:00", "utc": "1982-03-26T08:46:04Z", "ms": 385980364369.83966 }, "end": { "local": "1982-03-26T12:34:04+03:00", "utc": "1982-03-26T09:34:04Z", "ms": 385983244369.83966 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:17 on Thu 25 Mar to 11:21 on Fri 26 Mar.", "fact": "1982-03-25T10:17:29Z → 1982-03-26T08:20:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 25th, 11:46–12:34 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1523 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Erbil, 1982: Friday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-26", "confidence": "determinate" } ], "quote": "In Erbil, Navarātrārambha (Caitra) (Chaitra Navratri) 1982 falls on Friday 26 March. Pratipadā runs from 13:17 on Thu 25 Mar to 11:21 on Fri 26 Mar, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9693, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-03-27T09:04:14+03:00", "utc": "1982-03-27T06:04:14Z", "ms": 386057053508.48914 }, "end": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-27T09:04:14+03:00", "utc": "1982-03-27T06:04:14Z", "ms": 386057053508.48914 }, "end": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-27", "window": { "start": { "local": "1982-03-27T11:45:46+03:00", "utc": "1982-03-27T08:45:46Z", "ms": 386066746277.52783 }, "end": { "local": "1982-03-27T12:33:46+03:00", "utc": "1982-03-27T09:33:46Z", "ms": 386069626277.52783 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-28", "window": { "start": { "local": "1982-03-28T11:45:28+03:00", "utc": "1982-03-28T08:45:28Z", "ms": 386153128180.3303 }, "end": { "local": "1982-03-28T12:33:28+03:00", "utc": "1982-03-28T09:33:28Z", "ms": 386156008180.3303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:04 on Sat 27 Mar to 06:37 on Sun 28 Mar.", "fact": "1982-03-27T06:04:14Z → 1982-03-28T03:36:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 27th, 11:45–12:33 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9693 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Erbil, 1982: Saturday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-27", "confidence": "determinate" } ], "quote": "In Erbil, Gaurī Tṛtīyā (Gangaur) 1982 falls on Saturday 27 March. Tṛtīyā runs from 09:04 on Sat 27 Mar to 06:37 on Sun 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9693, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-03-27T09:04:14+03:00", "utc": "1982-03-27T06:04:14Z", "ms": 386057053508.48914 }, "end": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-27T09:04:14+03:00", "utc": "1982-03-27T06:04:14Z", "ms": 386057053508.48914 }, "end": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-27", "window": { "start": { "local": "1982-03-27T11:45:46+03:00", "utc": "1982-03-27T08:45:46Z", "ms": 386066746277.52783 }, "end": { "local": "1982-03-27T12:33:46+03:00", "utc": "1982-03-27T09:33:46Z", "ms": 386069626277.52783 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-28", "window": { "start": { "local": "1982-03-28T11:45:28+03:00", "utc": "1982-03-28T08:45:28Z", "ms": 386153128180.3303 }, "end": { "local": "1982-03-28T12:33:28+03:00", "utc": "1982-03-28T09:33:28Z", "ms": 386156008180.3303 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:04 on Sat 27 Mar to 06:37 on Sun 28 Mar.", "fact": "1982-03-27T06:04:14Z → 1982-03-28T03:36:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 27th, 11:45–12:33 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9693 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Erbil, 1982: Saturday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-27", "confidence": "determinate" } ], "quote": "In Erbil, Saubhāgya Śayana Vrata 1982 falls on Saturday 27 March. Tṛtīyā runs from 09:04 on Sat 27 Mar to 06:37 on Sun 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-03-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18537, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 }, "end": { "local": "1982-03-29T04:05:17+03:00", "utc": "1982-03-29T01:05:17Z", "ms": 386211917152.9933 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-28T06:36:31+03:00", "utc": "1982-03-28T03:36:31Z", "ms": 386134591283.4706 }, "end": { "local": "1982-03-29T04:05:17+03:00", "utc": "1982-03-29T01:05:17Z", "ms": 386211917152.9933 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-28", "window": { "start": { "local": "1982-03-28T11:45:28+03:00", "utc": "1982-03-28T08:45:28Z", "ms": 386153128180.3303 }, "end": { "local": "1982-03-28T12:33:28+03:00", "utc": "1982-03-28T09:33:28Z", "ms": 386156008180.3303 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-29", "window": { "start": { "local": "1982-03-29T11:45:10+03:00", "utc": "1982-03-29T08:45:10Z", "ms": 386239510094.125 }, "end": { "local": "1982-03-29T12:33:10+03:00", "utc": "1982-03-29T09:33:10Z", "ms": 386242390094.125 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:37 on Sun 28 Mar to 04:05 on Mon 29 Mar.", "fact": "1982-03-28T03:36:31Z → 1982-03-29T01:05:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 28th, 11:45–12:33 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18537 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Sunday 28 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": "1982-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-28", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Sunday 28 March. Caturthī runs from 06:37 on Sun 28 Mar to 04:05 on Mon 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27593, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-03-29T04:05:17+03:00", "utc": "1982-03-29T01:05:17Z", "ms": 386211917152.9933 }, "end": { "local": "1982-03-30T01:37:01+03:00", "utc": "1982-03-29T22:37:01Z", "ms": 386289420621.09576 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-29T04:05:17+03:00", "utc": "1982-03-29T01:05:17Z", "ms": 386211917152.9933 }, "end": { "local": "1982-03-30T01:37:01+03:00", "utc": "1982-03-29T22:37:01Z", "ms": 386289420621.09576 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-29", "window": { "start": { "local": "1982-03-29T11:45:10+03:00", "utc": "1982-03-29T08:45:10Z", "ms": 386239510094.125 }, "end": { "local": "1982-03-29T12:33:10+03:00", "utc": "1982-03-29T09:33:10Z", "ms": 386242390094.125 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-03-30", "window": { "start": { "local": "1982-03-30T11:44:52+03:00", "utc": "1982-03-30T08:44:52Z", "ms": 386325892035.3801 }, "end": { "local": "1982-03-30T12:32:52+03:00", "utc": "1982-03-30T09:32:52Z", "ms": 386328772035.3801 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:05 on Mon 29 Mar to 01:37 on Tue 30 Mar.", "fact": "1982-03-29T01:05:17Z → 1982-03-29T22:37:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 29th, 11:45–12:33 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27593 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Erbil, 1982: Monday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-03-29", "confidence": "determinate" } ], "quote": "In Erbil, Lakṣmī Pañcamī 1982 falls on Monday 29 March. Pañcamī runs from 04:05 on Mon 29 Mar to 01:37 on Tue 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23993, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-03-31T21:07:44+03:00", "utc": "1982-03-31T18:07:44Z", "ms": 386446064494.22375 }, "end": { "local": "1982-04-01T19:12:09+03:00", "utc": "1982-04-01T16:12:09Z", "ms": 386525528891.5597 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-03-31T21:07:44+03:00", "utc": "1982-03-31T18:07:44Z", "ms": 386446064494.22375 }, "end": { "local": "1982-04-01T19:12:09+03:00", "utc": "1982-04-01T16:12:09Z", "ms": 386525528891.5597 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-03-31", "window": { "start": { "local": "1982-03-31T11:44:34+03:00", "utc": "1982-03-31T08:44:34Z", "ms": 386412274021.4004 }, "end": { "local": "1982-03-31T12:32:34+03:00", "utc": "1982-03-31T09:32:34Z", "ms": 386415154021.4004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-01", "window": { "start": { "local": "1982-04-01T11:44:16+03:00", "utc": "1982-04-01T08:44:16Z", "ms": 386498656070.5487 }, "end": { "local": "1982-04-01T12:32:16+03:00", "utc": "1982-04-01T09:32:16Z", "ms": 386501536070.5487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:08 on Wed 31 Mar to 19:12 on Thu 1 Apr.", "fact": "1982-03-31T18:07:44Z → 1982-04-01T16:12:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 31st, 11:44–12:32 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23993 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Erbil, 1982: Thursday 1 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": "1982-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-01", "confidence": "determinate" } ], "quote": "In Erbil, Bhavānī Utpatti 1982 falls on Thursday 1 April. Aṣṭamī runs from 21:08 on Wed 31 Mar to 19:12 on Thu 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17932, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1982-04-01T19:12:09+03:00", "utc": "1982-04-01T16:12:09Z", "ms": 386525528891.5597 }, "end": { "local": "1982-04-02T17:30:51+03:00", "utc": "1982-04-02T14:30:51Z", "ms": 386605850700.91064 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-01T19:12:09+03:00", "utc": "1982-04-01T16:12:09Z", "ms": 386525528891.5597 }, "end": { "local": "1982-04-02T17:30:51+03:00", "utc": "1982-04-02T14:30:51Z", "ms": 386605850700.91064 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-01", "window": { "start": { "local": "1982-04-01T11:44:16+03:00", "utc": "1982-04-01T08:44:16Z", "ms": 386498656070.5487 }, "end": { "local": "1982-04-01T12:32:16+03:00", "utc": "1982-04-01T09:32:16Z", "ms": 386501536070.5487 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-02", "window": { "start": { "local": "1982-04-02T11:43:58+03:00", "utc": "1982-04-02T08:43:58Z", "ms": 386585038202.14575 }, "end": { "local": "1982-04-02T12:31:58+03:00", "utc": "1982-04-02T09:31:58Z", "ms": 386587918202.14575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:12 on Thu 1 Apr to 17:31 on Fri 2 Apr.", "fact": "1982-04-01T16:12:09Z → 1982-04-02T14:30:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 1st, 11:44–12:32 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17932 s" }, { "step": "ruling", "text": "Rāma Navamī, Erbil, 1982: Friday 2 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": "1982-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-02", "confidence": "determinate" } ], "quote": "In Erbil, Rāma Navamī 1982 falls on Friday 2 April. Navamī runs from 19:12 on Thu 1 Apr to 17:31 on Fri 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-04-04", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32759, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-04-03T16:04:16+03:00", "utc": "1982-04-03T13:04:16Z", "ms": 386687056448.6137 }, "end": { "local": "1982-04-04T14:53:00+03:00", "utc": "1982-04-04T11:53:00Z", "ms": 386769179848.1099 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-03T16:04:16+03:00", "utc": "1982-04-03T13:04:16Z", "ms": 386687056448.6137 }, "end": { "local": "1982-04-04T14:53:00+03:00", "utc": "1982-04-04T11:53:00Z", "ms": 386769179848.1099 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-04-03", "window": { "start": { "local": "1982-04-03T05:48:27+03:00", "utc": "1982-04-03T02:48:27Z", "ms": 386650106871.39307 }, "end": { "local": "1982-04-03T05:48:27+03:00", "utc": "1982-04-03T02:48:27Z", "ms": 386650106871.39307 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-04-04", "window": { "start": { "local": "1982-04-04T05:47:01+03:00", "utc": "1982-04-04T02:47:01Z", "ms": 386736421063.4177 }, "end": { "local": "1982-04-04T05:47:01+03:00", "utc": "1982-04-04T02:47:01Z", "ms": 386736421063.4177 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:04 on Sat 3 Apr to 14:53 on Sun 4 Apr.", "fact": "1982-04-03T13:04:16Z → 1982-04-04T11:53:00Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 3rd and 05:47 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32759 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Erbil, 1982: Sunday 4 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": "1982-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-04", "confidence": "determinate" } ], "quote": "In Erbil, Kāmadā Ekādaśī 1982 falls on Sunday 4 April. Ekādaśī runs from 16:04 on Sat 3 Apr to 14:53 on Sun 4 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-04-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16222, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-04-05T13:58:13+03:00", "utc": "1982-04-05T10:58:13Z", "ms": 386852292917.5233 }, "end": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-05T13:58:13+03:00", "utc": "1982-04-05T10:58:13Z", "ms": 386852292917.5233 }, "end": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-04-05", "window": { "start": { "local": "1982-04-05T18:28:35+03:00", "utc": "1982-04-05T15:28:35Z", "ms": 386868515029.7081 }, "end": { "local": "1982-04-05T19:58:40+03:00", "utc": "1982-04-05T16:58:40Z", "ms": 386873919745.7778 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1982-04-06", "window": { "start": { "local": "1982-04-06T18:29:26+03:00", "utc": "1982-04-06T15:29:26Z", "ms": 386954965530.0819 }, "end": { "local": "1982-04-06T19:59:12+03:00", "utc": "1982-04-06T16:59:12Z", "ms": 386960352207.1673 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:58 on Mon 5 Apr to 13:22 on Tue 6 Apr.", "fact": "1982-04-05T10:58:13Z → 1982-04-06T10:22:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–19:59 on the 5th, 18:29–19:59 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 90 of 90 minutes on the 5th and 0 of 90 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 16222 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Monday 5 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": "1982-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-05", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Monday 5 April. Trayodaśī runs from 13:58 on Mon 5 Apr to 13:22 on Tue 6 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3075, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-04-05T13:58:13+03:00", "utc": "1982-04-05T10:58:13Z", "ms": 386852292917.5233 }, "end": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-05T13:58:13+03:00", "utc": "1982-04-05T10:58:13Z", "ms": 386852292917.5233 }, "end": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-05", "window": { "start": { "local": "1982-04-05T11:43:05+03:00", "utc": "1982-04-05T08:43:05Z", "ms": 386844185296.10535 }, "end": { "local": "1982-04-05T12:31:05+03:00", "utc": "1982-04-05T09:31:05Z", "ms": 386847065296.10535 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-06", "window": { "start": { "local": "1982-04-06T11:42:48+03:00", "utc": "1982-04-06T08:42:48Z", "ms": 386930567965.1561 }, "end": { "local": "1982-04-06T12:30:48+03:00", "utc": "1982-04-06T09:30:48Z", "ms": 386933447965.1561 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:58 on Mon 5 Apr to 13:22 on Tue 6 Apr.", "fact": "1982-04-05T10:58:13Z → 1982-04-06T10:22:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 5th, 11:43–12:31 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3075 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Erbil, 1982: Tuesday 6 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": "1982-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-06", "confidence": "boundary" } ], "quote": "In Erbil, Anaṅga Trayodaśī 1982 falls on Tuesday 6 April. Trayodaśī runs from 13:58 on Mon 5 Apr to 13:22 on Tue 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2223, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 }, "end": { "local": "1982-04-07T13:07:34+03:00", "utc": "1982-04-07T10:07:34Z", "ms": 387022053832.5845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-06T13:22:03+03:00", "utc": "1982-04-06T10:22:03Z", "ms": 386936523461.28485 }, "end": { "local": "1982-04-07T13:07:34+03:00", "utc": "1982-04-07T10:07:34Z", "ms": 387022053832.5845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-06", "window": { "start": { "local": "1982-04-06T11:42:48+03:00", "utc": "1982-04-06T08:42:48Z", "ms": 386930567965.1561 }, "end": { "local": "1982-04-06T12:30:48+03:00", "utc": "1982-04-06T09:30:48Z", "ms": 386933447965.1561 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-07", "window": { "start": { "local": "1982-04-07T11:42:31+03:00", "utc": "1982-04-07T08:42:31Z", "ms": 387016950822.7228 }, "end": { "local": "1982-04-07T12:30:31+03:00", "utc": "1982-04-07T09:30:31Z", "ms": 387019830822.7228 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:22 on Tue 6 Apr to 13:08 on Wed 7 Apr.", "fact": "1982-04-06T10:22:03Z → 1982-04-07T10:07:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 6th, 11:43–12:31 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2223 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Erbil, 1982: Wednesday 7 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": "1982-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-07", "confidence": "boundary" } ], "quote": "In Erbil, Viṣṇudamanaka Caturdaśī 1982 falls on Wednesday 7 April. Caturdaśī runs from 13:22 on Tue 6 Apr to 13:08 on Wed 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2223, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-04-07T13:07:34+03:00", "utc": "1982-04-07T10:07:34Z", "ms": 387022053832.5845 }, "end": { "local": "1982-04-08T13:18:19+03:00", "utc": "1982-04-08T10:18:19Z", "ms": 387109099103.9867 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1982-04-07T13:07:34+03:00", "utc": "1982-04-07T10:07:34Z", "ms": 387022053832.5845 }, "end": { "local": "1982-04-08T13:18:19+03:00", "utc": "1982-04-08T10:18:19Z", "ms": 387109099103.9867 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-07", "window": { "start": { "local": "1982-04-07T11:42:31+03:00", "utc": "1982-04-07T08:42:31Z", "ms": 387016950822.7228 }, "end": { "local": "1982-04-07T12:30:31+03:00", "utc": "1982-04-07T09:30:31Z", "ms": 387019830822.7228 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-08", "window": { "start": { "local": "1982-04-08T11:42:14+03:00", "utc": "1982-04-08T08:42:14Z", "ms": 387103333890.471 }, "end": { "local": "1982-04-08T12:30:14+03:00", "utc": "1982-04-08T09:30:14Z", "ms": 387106213890.471 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:08 on Wed 7 Apr to 13:18 on Thu 8 Apr.", "fact": "1982-04-07T10:07:34Z → 1982-04-08T10:18:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 7th, 11:42–12:30 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2223 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Erbil, 1982: Thursday 8 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": "1982-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-08", "confidence": "boundary" } ], "quote": "In Erbil, Caitrī Pūrṇimā 1982 falls on Thursday 8 April. Pūrṇimā runs from 13:08 on Wed 7 Apr to 13:18 on Thu 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-04-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12529, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-04-11T16:49:33+03:00", "utc": "1982-04-11T13:49:33Z", "ms": 387380972973.2703 }, "end": { "local": "1982-04-12T18:58:27+03:00", "utc": "1982-04-12T15:58:27Z", "ms": 387475107421.26227 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-11T16:49:33+03:00", "utc": "1982-04-11T13:49:33Z", "ms": 387380972973.2703 }, "end": { "local": "1982-04-12T18:58:27+03:00", "utc": "1982-04-12T15:58:27Z", "ms": 387475107421.26227 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-04-11", "window": { "start": { "local": "1982-04-11T21:30:45+03:00", "utc": "1982-04-11T18:30:45Z", "ms": 387397844914.25665 }, "end": { "local": "1982-04-11T21:30:45+03:00", "utc": "1982-04-11T18:30:45Z", "ms": 387397844914.25665 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-04-12", "window": { "start": { "local": "1982-04-12T22:27:17+03:00", "utc": "1982-04-12T19:27:17Z", "ms": 387487636783.55853 }, "end": { "local": "1982-04-12T22:27:17+03:00", "utc": "1982-04-12T19:27:17Z", "ms": 387487636783.55853 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:50 on Sun 11 Apr to 18:58 on Mon 12 Apr.", "fact": "1982-04-11T13:49:33Z → 1982-04-12T15:58:27Z" }, { "step": "kaala", "text": "Moonrise is at 21:31 on the 11th and 22:27 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12529 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Sunday 11 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": "1982-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-11", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Sunday 11 April. Caturthī runs from 16:50 on Sun 11 Apr to 18:58 on Mon 12 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19270, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1982-04-14T00:11:55+03:00", "utc": "1982-04-13T21:11:55Z", "ms": 387580314914.37585 }, "end": { "local": "1982-05-14T22:05:34+04:00", "utc": "1982-05-14T18:05:34Z", "ms": 390247534334.72327 } }, "span": { "of": "transit", "start": { "local": "1982-04-14T00:11:55+03:00", "utc": "1982-04-13T21:11:55Z", "ms": 387580314914.37585 }, "end": { "local": "1982-04-14T00:11:55+03:00", "utc": "1982-04-13T21:11:55Z", "ms": 387580314914.37585 } }, "kaala": "day", "days": [ { "local_date": "1982-04-13", "window": { "start": { "local": "1982-04-13T05:34:26+03:00", "utc": "1982-04-13T02:34:26Z", "ms": 387513266388.2516 }, "end": { "local": "1982-04-14T05:33:05+03:00", "utc": "1982-04-14T02:33:05Z", "ms": 387599585062.52356 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1982-04-14", "window": { "start": { "local": "1982-04-14T05:33:05+03:00", "utc": "1982-04-14T02:33:05Z", "ms": 387599585062.52356 }, "end": { "local": "1982-04-15T05:31:44+03:00", "utc": "1982-04-15T02:31:44Z", "ms": 387685904354.505 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 00:12 on Wed 14 Apr.", "fact": "1982-04-13T21:11:55Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:34 on the 13th, and from 05:33 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 19270 s" }, { "step": "ruling", "text": "Vaiśākhī, Erbil, 1982: Tuesday 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": "1982-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1982-04-14", "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": "1982-04-14", "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 Erbil, Vaiśākhī (Baisakhi) 1982 falls on Tuesday 13 April. The Sun enters Meṣa at 00:12 on Wed 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/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-04-20", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5622, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-04-19T07:01:59+03:00", "utc": "1982-04-19T04:01:59Z", "ms": 388036918648.69684 }, "end": { "local": "1982-04-20T06:58:53+03:00", "utc": "1982-04-20T03:58:53Z", "ms": 388123132911.66095 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-19T07:01:59+03:00", "utc": "1982-04-19T04:01:59Z", "ms": 388036918648.69684 }, "end": { "local": "1982-04-20T06:58:53+03:00", "utc": "1982-04-20T03:58:53Z", "ms": 388123132911.66095 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-04-19", "window": { "start": { "local": "1982-04-19T05:26:28+03:00", "utc": "1982-04-19T02:26:28Z", "ms": 388031188294.1347 }, "end": { "local": "1982-04-19T05:26:28+03:00", "utc": "1982-04-19T02:26:28Z", "ms": 388031188294.1347 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-04-20", "window": { "start": { "local": "1982-04-20T05:25:11+03:00", "utc": "1982-04-20T02:25:11Z", "ms": 388117511117.724 }, "end": { "local": "1982-04-20T05:25:11+03:00", "utc": "1982-04-20T02:25:11Z", "ms": 388117511117.724 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:02 on Mon 19 Apr to 06:59 on Tue 20 Apr.", "fact": "1982-04-19T04:01:59Z → 1982-04-20T03:58:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:26 on the 19th and 05:25 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5622 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Erbil, 1982: Tuesday 20 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": "1982-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-20", "confidence": "determinate" } ], "quote": "In Erbil, Varūthinī Ekādaśī 1982 falls on Tuesday 20 April. Ekādaśī runs from 07:02 on Mon 19 Apr to 06:59 on Tue 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-04-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30042, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-04-21T06:06:08+03:00", "utc": "1982-04-21T03:06:08Z", "ms": 388206367725.5644 }, "end": { "local": "1982-04-22T04:28:15+03:00", "utc": "1982-04-22T01:28:15Z", "ms": 388286894769.50256 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-21T06:06:08+03:00", "utc": "1982-04-21T03:06:08Z", "ms": 388206367725.5644 }, "end": { "local": "1982-04-22T04:28:15+03:00", "utc": "1982-04-22T01:28:15Z", "ms": 388286894769.50256 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-04-20", "window": { "start": { "local": "1982-04-20T18:41:17+03:00", "utc": "1982-04-20T15:41:17Z", "ms": 388165277210.3301 }, "end": { "local": "1982-04-20T20:06:58+03:00", "utc": "1982-04-20T17:06:58Z", "ms": 388170418213.4142 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1982-04-21", "window": { "start": { "local": "1982-04-21T18:42:09+03:00", "utc": "1982-04-21T15:42:09Z", "ms": 388251728553.49646 }, "end": { "local": "1982-04-21T20:07:33+03:00", "utc": "1982-04-21T17:07:33Z", "ms": 388256852635.4994 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:06 on Wed 21 Apr to 04:28 on Thu 22 Apr.", "fact": "1982-04-21T03:06:08Z → 1982-04-22T01:28:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:07 on the 20th, 18:42–20:08 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 20th and 85 of 85 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30042 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Wednesday 21 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": "1982-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-21", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Wednesday 21 April. Trayodaśī runs from 06:06 on Wed 21 Apr to 04:28 on Thu 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-04-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6389, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-04-22T04:28:15+03:00", "utc": "1982-04-22T01:28:15Z", "ms": 388286894769.50256 }, "end": { "local": "1982-04-23T02:12:41+03:00", "utc": "1982-04-22T23:12:41Z", "ms": 388365161493.18536 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-22T04:28:15+03:00", "utc": "1982-04-22T01:28:15Z", "ms": 388286894769.50256 }, "end": { "local": "1982-04-23T02:12:41+03:00", "utc": "1982-04-22T23:12:41Z", "ms": 388365161493.18536 } }, "kaala": "nishita", "days": [ { "local_date": "1982-04-21", "window": { "start": { "local": "1982-04-21T23:38:24+03:00", "utc": "1982-04-21T20:38:24Z", "ms": 388269503861.00745 }, "end": { "local": "1982-04-22T00:26:24+03:00", "utc": "1982-04-21T21:26:24Z", "ms": 388272383861.00745 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-22", "window": { "start": { "local": "1982-04-22T23:38:12+03:00", "utc": "1982-04-22T20:38:12Z", "ms": 388355892202.38586 }, "end": { "local": "1982-04-23T00:26:12+03:00", "utc": "1982-04-22T21:26:12Z", "ms": 388358772202.38586 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:28 on Thu 22 Apr to 02:13 on Fri 23 Apr.", "fact": "1982-04-22T01:28:15Z → 1982-04-22T23:12:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 21st, 23:38–00:26 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6389 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Thursday 22 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": "1982-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-22", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Thursday 22 April. Caturdaśī runs from 04:28 on Thu 22 Apr to 02:13 on Fri 23 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-04-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5427, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-04-25T17:15:07+03:00", "utc": "1982-04-25T14:15:07Z", "ms": 388592107304.05396 }, "end": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-25T17:15:07+03:00", "utc": "1982-04-25T14:15:07Z", "ms": 388592107304.05396 }, "end": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-04-25", "window": { "start": { "local": "1982-04-25T18:45:34+03:00", "utc": "1982-04-25T15:45:34Z", "ms": 388597534417.86285 }, "end": { "local": "1982-04-25T20:09:52+03:00", "utc": "1982-04-25T17:09:52Z", "ms": 388602591911.2337 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1982-04-26", "window": { "start": { "local": "1982-04-26T18:46:26+03:00", "utc": "1982-04-26T15:46:26Z", "ms": 388683985950.3447 }, "end": { "local": "1982-04-26T20:10:27+03:00", "utc": "1982-04-26T17:10:27Z", "ms": 388689027094.7556 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:15 on Sun 25 Apr to 14:05 on Mon 26 Apr.", "fact": "1982-04-25T14:15:07Z → 1982-04-26T11:04:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:10 on the 25th, 18:46–20:10 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 84 of 84 minutes on the 25th and 0 of 84 on the 26th.", "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 5427 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Erbil, 1982: Sunday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-25", "confidence": "determinate" } ], "quote": "In Erbil, Paraśurāma Jayantī 1982 falls on Sunday 25 April. Tṛtīyā runs from 17:15 on Sun 25 Apr to 14:05 on Mon 26 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15457, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-04-25T17:15:07+03:00", "utc": "1982-04-25T14:15:07Z", "ms": 388592107304.05396 }, "end": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-25T17:15:07+03:00", "utc": "1982-04-25T14:15:07Z", "ms": 388592107304.05396 }, "end": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 } }, "kaala": "purvahna", "days": [ { "local_date": "1982-04-25", "window": { "start": { "local": "1982-04-25T05:18:58+03:00", "utc": "1982-04-25T02:18:58Z", "ms": 388549137649.11884 }, "end": { "local": "1982-04-25T09:47:50+03:00", "utc": "1982-04-25T06:47:50Z", "ms": 388565269905.3668 } }, "covered_min": 0, "window_min": 269, "qualifies": false }, { "local_date": "1982-04-26", "window": { "start": { "local": "1982-04-26T05:17:46+03:00", "utc": "1982-04-26T02:17:46Z", "ms": 388635465618.1442 }, "end": { "local": "1982-04-26T09:47:19+03:00", "utc": "1982-04-26T06:47:19Z", "ms": 388651639062.21106 } }, "covered_min": 270, "window_min": 270, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:15 on Sun 25 Apr to 14:05 on Mon 26 Apr.", "fact": "1982-04-25T14:15:07Z → 1982-04-26T11:04:56Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:19–09:48 on the 25th, 05:18–09:47 on the 26th.", "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 269 minutes on the 25th and 270 of 270 on the 26th.", "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 15457 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Erbil, 1982: Monday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-26", "confidence": "determinate" } ], "quote": "In Erbil, Akṣaya Tṛtīyā (Akha Teej) 1982 falls on Monday 26 April. Tṛtīyā runs from 17:15 on Sun 25 Apr to 14:05 on Mon 26 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2040, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-04-27T11:03:56+03:00", "utc": "1982-04-27T08:03:56Z", "ms": 388742636215.61176 }, "end": { "local": "1982-04-28T08:19:02+03:00", "utc": "1982-04-28T05:19:02Z", "ms": 388819142067.94434 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-27T11:03:56+03:00", "utc": "1982-04-27T08:03:56Z", "ms": 388742636215.61176 }, "end": { "local": "1982-04-28T08:19:02+03:00", "utc": "1982-04-28T05:19:02Z", "ms": 388819142067.94434 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-27", "window": { "start": { "local": "1982-04-27T11:37:56+03:00", "utc": "1982-04-27T08:37:56Z", "ms": 388744676007.9547 }, "end": { "local": "1982-04-27T12:25:56+03:00", "utc": "1982-04-27T09:25:56Z", "ms": 388747556007.9547 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-04-28", "window": { "start": { "local": "1982-04-28T11:37:47+03:00", "utc": "1982-04-28T08:37:47Z", "ms": 388831066710.5157 }, "end": { "local": "1982-04-28T12:25:47+03:00", "utc": "1982-04-28T09:25:47Z", "ms": 388833946710.5157 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:04 on Tue 27 Apr to 08:19 on Wed 28 Apr.", "fact": "1982-04-27T08:03:56Z → 1982-04-28T05:19:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 27th, 11:38–12:26 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2040 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Erbil, 1982: Tuesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-27", "confidence": "determinate" } ], "quote": "In Erbil, Śaṅkara Jayantī (Shankaracharya Jayanti) 1982 falls on Tuesday 27 April. Pañcamī runs from 11:04 on Tue 27 Apr to 08:19 on Wed 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-04-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2040, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 }, "end": { "local": "1982-04-27T11:03:56+03:00", "utc": "1982-04-27T08:03:56Z", "ms": 388742636215.61176 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-26T14:04:56+03:00", "utc": "1982-04-26T11:04:56Z", "ms": 388667096274.81555 }, "end": { "local": "1982-04-27T11:03:56+03:00", "utc": "1982-04-27T08:03:56Z", "ms": 388742636215.61176 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-26", "window": { "start": { "local": "1982-04-26T11:38:06+03:00", "utc": "1982-04-26T08:38:06Z", "ms": 388658285784.2445 }, "end": { "local": "1982-04-26T12:26:06+03:00", "utc": "1982-04-26T09:26:06Z", "ms": 388661165784.2445 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-04-27", "window": { "start": { "local": "1982-04-27T11:37:56+03:00", "utc": "1982-04-27T08:37:56Z", "ms": 388744676007.9547 }, "end": { "local": "1982-04-27T12:25:56+03:00", "utc": "1982-04-27T09:25:56Z", "ms": 388747556007.9547 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:05 on Mon 26 Apr to 11:04 on Tue 27 Apr.", "fact": "1982-04-26T11:04:56Z → 1982-04-27T08:03:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 26th, 11:38–12:26 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 2040 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Tuesday 27 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": "1982-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-27", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Tuesday 27 April. Caturthī runs from 14:05 on Mon 26 Apr to 11:04 on Tue 27 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20529, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-04-29T05:55:29+03:00", "utc": "1982-04-29T02:55:29Z", "ms": 388896928615.8281 }, "end": { "local": "1982-04-30T03:56:44+03:00", "utc": "1982-04-30T00:56:44Z", "ms": 388976203980.5333 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-04-29T05:55:29+03:00", "utc": "1982-04-29T02:55:29Z", "ms": 388896928615.8281 }, "end": { "local": "1982-04-30T03:56:44+03:00", "utc": "1982-04-30T00:56:44Z", "ms": 388976203980.5333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-04-29", "window": { "start": { "local": "1982-04-29T11:37:38+03:00", "utc": "1982-04-29T08:37:38Z", "ms": 388917457898.4702 }, "end": { "local": "1982-04-29T12:25:38+03:00", "utc": "1982-04-29T09:25:38Z", "ms": 388920337898.4702 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-04-30", "window": { "start": { "local": "1982-04-30T11:37:30+03:00", "utc": "1982-04-30T08:37:30Z", "ms": 389003849579.11646 }, "end": { "local": "1982-04-30T12:25:30+03:00", "utc": "1982-04-30T09:25:30Z", "ms": 389006729579.11646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:55 on Thu 29 Apr to 03:57 on Fri 30 Apr.", "fact": "1982-04-29T02:55:29Z → 1982-04-30T00:56:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 29th, 11:37–12:25 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20529 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Erbil, 1982: Thursday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-04-29", "confidence": "determinate" } ], "quote": "In Erbil, Gaṅgotpatti (Ganga Saptami) 1982 falls on Thursday 29 April. Saptamī runs from 05:55 on Thu 29 Apr to 03:57 on Fri 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-05-03", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16143, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-05-03T01:40:47+04:00", "utc": "1982-05-02T21:40:47Z", "ms": 389223646513.1739 }, "end": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-03T01:40:47+04:00", "utc": "1982-05-02T21:40:47Z", "ms": 389223646513.1739 }, "end": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-05-03", "window": { "start": { "local": "1982-05-03T06:09:49+04:00", "utc": "1982-05-03T02:09:49Z", "ms": 389239789415.458 }, "end": { "local": "1982-05-03T06:09:49+04:00", "utc": "1982-05-03T02:09:49Z", "ms": 389239789415.458 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-05-04", "window": { "start": { "local": "1982-05-04T06:08:46+04:00", "utc": "1982-05-04T02:08:46Z", "ms": 389326125727.85956 }, "end": { "local": "1982-05-04T06:08:46+04:00", "utc": "1982-05-04T02:08:46Z", "ms": 389326125727.85956 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:41 on Mon 3 May to 01:28 on Tue 4 May.", "fact": "1982-05-02T21:40:47Z → 1982-05-03T21:27:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 3rd and 06:09 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16143 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Erbil, 1982: Monday 3 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": "1982-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-03", "confidence": "determinate" } ], "quote": "In Erbil, Mohinī Ekādaśī 1982 falls on Monday 3 May. Ekādaśī runs from 01:41 on Mon 3 May to 01:28 on Tue 4 May and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39424, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 }, "end": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 }, "end": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-04", "window": { "start": { "local": "1982-05-04T12:37:01+04:00", "utc": "1982-05-04T08:37:01Z", "ms": 389349421392.501 }, "end": { "local": "1982-05-04T13:25:01+04:00", "utc": "1982-05-04T09:25:01Z", "ms": 389352301392.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-05-05", "window": { "start": { "local": "1982-05-05T12:36:56+04:00", "utc": "1982-05-05T08:36:56Z", "ms": 389435815661.62665 }, "end": { "local": "1982-05-05T13:24:56+04:00", "utc": "1982-05-05T09:24:56Z", "ms": 389438695661.62665 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:28 on Tue 4 May to 01:40 on Wed 5 May.", "fact": "1982-05-03T21:27:49Z → 1982-05-04T21:39:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 4th, 12:37–13:25 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39424 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Erbil, 1982: Tuesday 4 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": "1982-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-04", "confidence": "determinate" } ], "quote": "In Erbil, Paraśurāma Dvādaśī 1982 falls on Tuesday 4 May. Dvādaśī runs from 01:28 on Tue 4 May to 01:40 on Wed 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39424, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 }, "end": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-04T01:27:49+04:00", "utc": "1982-05-03T21:27:49Z", "ms": 389309268516.6878 }, "end": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-04", "window": { "start": { "local": "1982-05-04T12:37:01+04:00", "utc": "1982-05-04T08:37:01Z", "ms": 389349421392.501 }, "end": { "local": "1982-05-04T13:25:01+04:00", "utc": "1982-05-04T09:25:01Z", "ms": 389352301392.501 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-05-05", "window": { "start": { "local": "1982-05-05T12:36:56+04:00", "utc": "1982-05-05T08:36:56Z", "ms": 389435815661.62665 }, "end": { "local": "1982-05-05T13:24:56+04:00", "utc": "1982-05-05T09:24:56Z", "ms": 389438695661.62665 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:28 on Tue 4 May to 01:40 on Wed 5 May.", "fact": "1982-05-03T21:27:49Z → 1982-05-04T21:39:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 4th, 12:37–13:25 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39424 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Erbil, 1982: Tuesday 4 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": "1982-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-04", "confidence": "determinate" } ], "quote": "In Erbil, Rukmiṇī Dvādaśī 1982 falls on Tuesday 4 May. Dvādaśī runs from 01:28 on Tue 4 May to 01:40 on Wed 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-05-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15879, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 }, "end": { "local": "1982-05-06T02:16:39+04:00", "utc": "1982-05-05T22:16:39Z", "ms": 389484999328.0728 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-05T01:39:51+04:00", "utc": "1982-05-04T21:39:51Z", "ms": 389396391466.8737 }, "end": { "local": "1982-05-06T02:16:39+04:00", "utc": "1982-05-05T22:16:39Z", "ms": 389484999328.0728 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-05-04", "window": { "start": { "local": "1982-05-04T19:53:17+04:00", "utc": "1982-05-04T15:53:17Z", "ms": 389375597057.14233 }, "end": { "local": "1982-05-04T21:15:13+04:00", "utc": "1982-05-04T17:15:13Z", "ms": 389380512544.6002 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1982-05-05", "window": { "start": { "local": "1982-05-05T19:54:08+04:00", "utc": "1982-05-05T15:54:08Z", "ms": 389462048110.17676 }, "end": { "local": "1982-05-05T21:15:49+04:00", "utc": "1982-05-05T17:15:49Z", "ms": 389466948615.50903 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:40 on Wed 5 May to 02:17 on Thu 6 May.", "fact": "1982-05-04T21:39:51Z → 1982-05-05T22:16:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:15 on the 4th, 19:54–21:16 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 4th and 82 of 82 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 15879 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Wednesday 5 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": "1982-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-05", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Wednesday 5 May. Trayodaśī runs from 01:40 on Wed 5 May to 02:17 on Thu 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18051, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-05-06T02:16:39+04:00", "utc": "1982-05-05T22:16:39Z", "ms": 389484999328.0728 }, "end": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-06T02:16:39+04:00", "utc": "1982-05-05T22:16:39Z", "ms": 389484999328.0728 }, "end": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-05-05", "window": { "start": { "local": "1982-05-05T19:54:08+04:00", "utc": "1982-05-05T15:54:08Z", "ms": 389462048110.17676 }, "end": { "local": "1982-05-05T21:15:49+04:00", "utc": "1982-05-05T17:15:49Z", "ms": 389466948615.50903 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1982-05-06", "window": { "start": { "local": "1982-05-06T19:54:59+04:00", "utc": "1982-05-06T15:54:59Z", "ms": 389548499047.1308 }, "end": { "local": "1982-05-06T21:16:25+04:00", "utc": "1982-05-06T17:16:25Z", "ms": 389553384749.90314 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:17 on Thu 6 May to 03:18 on Fri 7 May.", "fact": "1982-05-05T22:16:39Z → 1982-05-06T23:18:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:16 on the 5th, 19:55–21:16 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 5th and 81 of 81 on the 6th.", "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 18051 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Erbil, 1982: Thursday 6 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": "1982-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-06", "confidence": "determinate" } ], "quote": "In Erbil, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1982 falls on Thursday 6 May. Caturdaśī runs from 02:17 on Thu 6 May to 03:18 on Fri 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28322, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 }, "end": { "local": "1982-05-08T04:44:40+04:00", "utc": "1982-05-08T00:44:40Z", "ms": 389666679571.9031 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 }, "end": { "local": "1982-05-08T04:44:40+04:00", "utc": "1982-05-08T00:44:40Z", "ms": 389666679571.9031 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-07", "window": { "start": { "local": "1982-05-07T12:36:46+04:00", "utc": "1982-05-07T08:36:46Z", "ms": 389608605836.0272 }, "end": { "local": "1982-05-07T13:24:46+04:00", "utc": "1982-05-07T09:24:46Z", "ms": 389611485836.0272 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-05-08", "window": { "start": { "local": "1982-05-08T12:36:42+04:00", "utc": "1982-05-08T08:36:42Z", "ms": 389695001755.7497 }, "end": { "local": "1982-05-08T13:24:42+04:00", "utc": "1982-05-08T09:24:42Z", "ms": 389697881755.7497 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:18 on Fri 7 May to 04:45 on Sat 8 May.", "fact": "1982-05-06T23:18:16Z → 1982-05-08T00:44:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 7th, 12:37–13:25 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28322 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Erbil, 1982: Friday 7 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": "1982-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-07", "confidence": "determinate" } ], "quote": "In Erbil, Buddha Pūrṇimā (Vesak) 1982 falls on Friday 7 May. Pūrṇimā runs from 03:18 on Fri 7 May to 04:45 on Sat 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28322, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 }, "end": { "local": "1982-05-08T04:44:40+04:00", "utc": "1982-05-08T00:44:40Z", "ms": 389666679571.9031 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-07T03:18:16+04:00", "utc": "1982-05-06T23:18:16Z", "ms": 389575095884.7909 }, "end": { "local": "1982-05-08T04:44:40+04:00", "utc": "1982-05-08T00:44:40Z", "ms": 389666679571.9031 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-07", "window": { "start": { "local": "1982-05-07T12:36:46+04:00", "utc": "1982-05-07T08:36:46Z", "ms": 389608605836.0272 }, "end": { "local": "1982-05-07T13:24:46+04:00", "utc": "1982-05-07T09:24:46Z", "ms": 389611485836.0272 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-05-08", "window": { "start": { "local": "1982-05-08T12:36:42+04:00", "utc": "1982-05-08T08:36:42Z", "ms": 389695001755.7497 }, "end": { "local": "1982-05-08T13:24:42+04:00", "utc": "1982-05-08T09:24:42Z", "ms": 389697881755.7497 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:18 on Fri 7 May to 04:45 on Sat 8 May.", "fact": "1982-05-06T23:18:16Z → 1982-05-08T00:44:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 7th, 12:37–13:25 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28322 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Erbil, 1982: Friday 7 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": "1982-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-07", "confidence": "determinate" } ], "quote": "In Erbil, Sampat Gaurī Vrata 1982 falls on Friday 7 May. Pūrṇimā runs from 03:18 on Fri 7 May to 04:45 on Sat 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-05-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36431, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-05-11T11:14:54+04:00", "utc": "1982-05-11T07:14:54Z", "ms": 389949293804.8907 }, "end": { "local": "1982-05-12T13:51:14+04:00", "utc": "1982-05-12T09:51:14Z", "ms": 390045073898.37036 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-11T11:14:54+04:00", "utc": "1982-05-11T07:14:54Z", "ms": 389949293804.8907 }, "end": { "local": "1982-05-12T13:51:14+04:00", "utc": "1982-05-12T09:51:14Z", "ms": 390045073898.37036 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-05-11", "window": { "start": { "local": "1982-05-11T23:08:16+04:00", "utc": "1982-05-11T19:08:16Z", "ms": 389992095648.6548 }, "end": { "local": "1982-05-11T23:08:16+04:00", "utc": "1982-05-11T19:08:16Z", "ms": 389992095648.6548 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-05-12", "window": { "start": { "local": "1982-05-12T23:58:25+04:00", "utc": "1982-05-12T19:58:25Z", "ms": 390081504753.37445 }, "end": { "local": "1982-05-12T23:58:25+04:00", "utc": "1982-05-12T19:58:25Z", "ms": 390081504753.37445 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:15 on Tue 11 May to 13:51 on Wed 12 May.", "fact": "1982-05-11T07:14:54Z → 1982-05-12T09:51:14Z" }, { "step": "kaala", "text": "Moonrise is at 23:08 on the 11th and 23:58 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36431 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Tuesday 11 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": "1982-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-11", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Tuesday 11 May. Caturthī runs from 11:15 on Tue 11 May to 13:51 on Wed 12 May and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-05-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-05-19", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30293, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-05-18T21:30:34+04:00", "utc": "1982-05-18T17:30:34Z", "ms": 390591034129.2903 }, "end": { "local": "1982-05-19T20:10:20+04:00", "utc": "1982-05-19T16:10:20Z", "ms": 390672620311.819 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-18T21:30:34+04:00", "utc": "1982-05-18T17:30:34Z", "ms": 390591034129.2903 }, "end": { "local": "1982-05-19T20:10:20+04:00", "utc": "1982-05-19T16:10:20Z", "ms": 390672620311.819 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-05-19", "window": { "start": { "local": "1982-05-19T05:55:27+04:00", "utc": "1982-05-19T01:55:27Z", "ms": 390621326689.5576 }, "end": { "local": "1982-05-19T05:55:27+04:00", "utc": "1982-05-19T01:55:27Z", "ms": 390621326689.5576 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-05-20", "window": { "start": { "local": "1982-05-20T05:54:45+04:00", "utc": "1982-05-20T01:54:45Z", "ms": 390707684997.8068 }, "end": { "local": "1982-05-20T05:54:45+04:00", "utc": "1982-05-20T01:54:45Z", "ms": 390707684997.8068 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:31 on Tue 18 May to 20:10 on Wed 19 May.", "fact": "1982-05-18T17:30:34Z → 1982-05-19T16:10:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 19th and 05:55 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30293 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Erbil, 1982: Wednesday 19 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": "1982-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-19", "confidence": "determinate" } ], "quote": "In Erbil, Aparā Ekādaśī 1982 falls on Wednesday 19 May. Ekādaśī runs from 21:31 on Tue 18 May to 20:10 on Wed 19 May and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-05-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7294, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-05-20T18:04:56+04:00", "utc": "1982-05-20T14:04:56Z", "ms": 390751496084.20465 }, "end": { "local": "1982-05-21T15:21:51+04:00", "utc": "1982-05-21T11:21:51Z", "ms": 390828111282.6965 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-20T18:04:56+04:00", "utc": "1982-05-20T14:04:56Z", "ms": 390751496084.20465 }, "end": { "local": "1982-05-21T15:21:51+04:00", "utc": "1982-05-21T11:21:51Z", "ms": 390828111282.6965 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-05-20", "window": { "start": { "local": "1982-05-20T20:06:30+04:00", "utc": "1982-05-20T16:06:30Z", "ms": 390758789769.6341 }, "end": { "local": "1982-05-20T21:24:50+04:00", "utc": "1982-05-20T17:24:50Z", "ms": 390763490450.447 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1982-05-21", "window": { "start": { "local": "1982-05-21T20:07:17+04:00", "utc": "1982-05-21T16:07:17Z", "ms": 390845236526.01117 }, "end": { "local": "1982-05-21T21:25:26+04:00", "utc": "1982-05-21T17:25:26Z", "ms": 390849925834.32117 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:05 on Thu 20 May to 15:22 on Fri 21 May.", "fact": "1982-05-20T14:04:56Z → 1982-05-21T11:21:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:25 on the 20th, 20:07–21:25 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 78 of 78 minutes on the 20th and 0 of 78 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7294 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Thursday 20 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": "1982-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-20", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Thursday 20 May. Trayodaśī runs from 18:05 on Thu 20 May to 15:22 on Fri 21 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-05-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33270, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-05-21T15:21:51+04:00", "utc": "1982-05-21T11:21:51Z", "ms": 390828111282.6965 }, "end": { "local": "1982-05-22T12:10:18+04:00", "utc": "1982-05-22T08:10:18Z", "ms": 390903017653.6283 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-21T15:21:51+04:00", "utc": "1982-05-21T11:21:51Z", "ms": 390828111282.6965 }, "end": { "local": "1982-05-22T12:10:18+04:00", "utc": "1982-05-22T08:10:18Z", "ms": 390903017653.6283 } }, "kaala": "nishita", "days": [ { "local_date": "1982-05-21", "window": { "start": { "local": "1982-05-22T00:36:21+04:00", "utc": "1982-05-21T20:36:21Z", "ms": 390861381432.17365 }, "end": { "local": "1982-05-22T01:24:21+04:00", "utc": "1982-05-21T21:24:21Z", "ms": 390864261432.17365 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-05-22", "window": { "start": { "local": "1982-05-23T00:36:26+04:00", "utc": "1982-05-22T20:36:26Z", "ms": 390947786084.32605 }, "end": { "local": "1982-05-23T01:24:26+04:00", "utc": "1982-05-22T21:24:26Z", "ms": 390950666084.32605 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:22 on Fri 21 May to 12:10 on Sat 22 May.", "fact": "1982-05-21T11:21:51Z → 1982-05-22T08:10:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:36–01:24 on the 21st, 00:36–01:24 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33270 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Friday 21 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": "1982-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-21", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Friday 21 May. Caturdaśī runs from 15:22 on Fri 21 May to 12:10 on Sat 22 May and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30954, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-05-25T01:25:56+04:00", "utc": "1982-05-24T21:25:56Z", "ms": 391123555582.3249 }, "end": { "local": "1982-05-25T22:00:53+04:00", "utc": "1982-05-25T18:00:53Z", "ms": 391197653021.0461 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-25T01:25:56+04:00", "utc": "1982-05-24T21:25:56Z", "ms": 391123555582.3249 }, "end": { "local": "1982-05-25T22:00:53+04:00", "utc": "1982-05-25T18:00:53Z", "ms": 391197653021.0461 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-24", "window": { "start": { "local": "1982-05-24T12:36:54+04:00", "utc": "1982-05-24T08:36:54Z", "ms": 391077413814.8841 }, "end": { "local": "1982-05-24T13:24:54+04:00", "utc": "1982-05-24T09:24:54Z", "ms": 391080293814.8841 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-05-25", "window": { "start": { "local": "1982-05-25T12:36:59+04:00", "utc": "1982-05-25T08:36:59Z", "ms": 391163819191.4812 }, "end": { "local": "1982-05-25T13:24:59+04:00", "utc": "1982-05-25T09:24:59Z", "ms": 391166699191.4812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:26 on Tue 25 May to 22:01 on Tue 25 May.", "fact": "1982-05-24T21:25:56Z → 1982-05-25T18:00:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 24th, 12:37–13:25 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30954 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Erbil, 1982: Tuesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-25", "confidence": "determinate" } ], "quote": "In Erbil, Rambhā Tṛtīyā 1982 falls on Tuesday 25 May. Tṛtīyā runs from 01:26 on Tue 25 May to 22:01 on Tue 25 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-05-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19819, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-05-25T22:00:53+04:00", "utc": "1982-05-25T18:00:53Z", "ms": 391197653021.0461 }, "end": { "local": "1982-05-26T18:55:25+04:00", "utc": "1982-05-26T14:55:25Z", "ms": 391272924517.29987 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-25T22:00:53+04:00", "utc": "1982-05-25T18:00:53Z", "ms": 391197653021.0461 }, "end": { "local": "1982-05-26T18:55:25+04:00", "utc": "1982-05-26T14:55:25Z", "ms": 391272924517.29987 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-25", "window": { "start": { "local": "1982-05-25T12:36:59+04:00", "utc": "1982-05-25T08:36:59Z", "ms": 391163819191.4812 }, "end": { "local": "1982-05-25T13:24:59+04:00", "utc": "1982-05-25T09:24:59Z", "ms": 391166699191.4812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-05-26", "window": { "start": { "local": "1982-05-26T12:37:05+04:00", "utc": "1982-05-26T08:37:05Z", "ms": 391250225044.1276 }, "end": { "local": "1982-05-26T13:25:05+04:00", "utc": "1982-05-26T09:25:05Z", "ms": 391253105044.1276 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:01 on Tue 25 May to 18:55 on Wed 26 May.", "fact": "1982-05-25T18:00:53Z → 1982-05-26T14:55:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 25th, 12:37–13:25 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19819 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Wednesday 26 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": "1982-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-26", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Wednesday 26 May. Caturthī runs from 22:01 on Tue 25 May to 18:55 on Wed 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2661, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-05-27T16:16:32+04:00", "utc": "1982-05-27T12:16:32Z", "ms": 391349791659.15784 }, "end": { "local": "1982-05-28T14:09:39+04:00", "utc": "1982-05-28T10:09:39Z", "ms": 391428578832.09894 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-27T16:16:32+04:00", "utc": "1982-05-27T12:16:32Z", "ms": 391349791659.15784 }, "end": { "local": "1982-05-28T14:09:39+04:00", "utc": "1982-05-28T10:09:39Z", "ms": 391428578832.09894 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-27", "window": { "start": { "local": "1982-05-27T12:37:11+04:00", "utc": "1982-05-27T08:37:11Z", "ms": 391336631357.03076 }, "end": { "local": "1982-05-27T13:25:11+04:00", "utc": "1982-05-27T09:25:11Z", "ms": 391339511357.03076 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-05-28", "window": { "start": { "local": "1982-05-28T12:37:18+04:00", "utc": "1982-05-28T08:37:18Z", "ms": 391423038115.1211 }, "end": { "local": "1982-05-28T13:25:18+04:00", "utc": "1982-05-28T09:25:18Z", "ms": 391425918115.1211 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:17 on Thu 27 May to 14:10 on Fri 28 May.", "fact": "1982-05-27T12:16:32Z → 1982-05-28T10:09:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 27th, 12:37–13:25 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2661 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Erbil, 1982: Friday 28 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-28", "confidence": "determinate" } ], "quote": "In Erbil, Araṇya Gaurī Vrata 1982 falls on Friday 28 May. Ṣaṣṭhī runs from 16:17 on Thu 27 May to 14:10 on Fri 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2661, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-05-27T16:16:32+04:00", "utc": "1982-05-27T12:16:32Z", "ms": 391349791659.15784 }, "end": { "local": "1982-05-28T14:09:39+04:00", "utc": "1982-05-28T10:09:39Z", "ms": 391428578832.09894 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-05-27T16:16:32+04:00", "utc": "1982-05-27T12:16:32Z", "ms": 391349791659.15784 }, "end": { "local": "1982-05-28T14:09:39+04:00", "utc": "1982-05-28T10:09:39Z", "ms": 391428578832.09894 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-05-27", "window": { "start": { "local": "1982-05-27T12:37:11+04:00", "utc": "1982-05-27T08:37:11Z", "ms": 391336631357.03076 }, "end": { "local": "1982-05-27T13:25:11+04:00", "utc": "1982-05-27T09:25:11Z", "ms": 391339511357.03076 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-05-28", "window": { "start": { "local": "1982-05-28T12:37:18+04:00", "utc": "1982-05-28T08:37:18Z", "ms": 391423038115.1211 }, "end": { "local": "1982-05-28T13:25:18+04:00", "utc": "1982-05-28T09:25:18Z", "ms": 391425918115.1211 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:17 on Thu 27 May to 14:10 on Fri 28 May.", "fact": "1982-05-27T12:16:32Z → 1982-05-28T10:09:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 27th, 12:37–13:25 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2661 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Erbil, 1982: Friday 28 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-05-28", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1982 falls on Friday 28 May. Ṣaṣṭhī runs from 16:17 on Thu 27 May to 14:10 on Fri 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-06-02", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21377, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-06-01T11:44:48+04:00", "utc": "1982-06-01T07:44:48Z", "ms": 391765487897.8431 }, "end": { "local": "1982-06-02T12:34:48+04:00", "utc": "1982-06-02T08:34:48Z", "ms": 391854888376.08093 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-01T11:44:48+04:00", "utc": "1982-06-01T07:44:48Z", "ms": 391765487897.8431 }, "end": { "local": "1982-06-02T12:34:48+04:00", "utc": "1982-06-02T08:34:48Z", "ms": 391854888376.08093 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-06-01", "window": { "start": { "local": "1982-06-01T05:48:31+04:00", "utc": "1982-06-01T01:48:31Z", "ms": 391744110537.7331 }, "end": { "local": "1982-06-01T05:48:31+04:00", "utc": "1982-06-01T01:48:31Z", "ms": 391744110537.7331 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-06-02", "window": { "start": { "local": "1982-06-02T05:48:10+04:00", "utc": "1982-06-02T01:48:10Z", "ms": 391830490127.2103 }, "end": { "local": "1982-06-02T05:48:10+04:00", "utc": "1982-06-02T01:48:10Z", "ms": 391830490127.2103 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:45 on Tue 1 Jun to 12:35 on Wed 2 Jun.", "fact": "1982-06-01T07:44:48Z → 1982-06-02T08:34:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 1st and 05:48 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21377 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Erbil, 1982: Wednesday 2 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": "1982-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-02", "confidence": "determinate" } ], "quote": "In Erbil, Nirjalā Ekādaśī 1982 falls on Wednesday 2 June. Ekādaśī runs from 11:45 on Tue 1 Jun to 12:35 on Wed 2 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-02", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 190, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-06-02T12:34:48+04:00", "utc": "1982-06-02T08:34:48Z", "ms": 391854888376.08093 }, "end": { "local": "1982-06-03T13:53:20+04:00", "utc": "1982-06-03T09:53:20Z", "ms": 391946000099.45496 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-02T12:34:48+04:00", "utc": "1982-06-02T08:34:48Z", "ms": 391854888376.08093 }, "end": { "local": "1982-06-03T13:53:20+04:00", "utc": "1982-06-03T09:53:20Z", "ms": 391946000099.45496 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-06-02", "window": { "start": { "local": "1982-06-02T12:37:58+04:00", "utc": "1982-06-02T08:37:58Z", "ms": 391855078097.0902 }, "end": { "local": "1982-06-02T13:25:58+04:00", "utc": "1982-06-02T09:25:58Z", "ms": 391857958097.0902 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-06-03", "window": { "start": { "local": "1982-06-03T12:38:07+04:00", "utc": "1982-06-03T08:38:07Z", "ms": 391941487237.2931 }, "end": { "local": "1982-06-03T13:26:07+04:00", "utc": "1982-06-03T09:26:07Z", "ms": 391944367237.2931 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:35 on Wed 2 Jun to 13:53 on Thu 3 Jun.", "fact": "1982-06-02T08:34:48Z → 1982-06-03T09:53:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 2nd, 12:38–13:26 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 190 s < 300 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Erbil, 1982: Wednesday 2 June.", "fact": "confidence: boundary (margin)" } ], "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": "1982-06-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-02", "confidence": "determinate" } ], "quote": "In Erbil, Śrī Rāma Dvādaśī 1982 falls on Wednesday 2 June. Dvādaśī runs from 12:35 on Wed 2 Jun to 13:53 on Thu 3 Jun and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 3 min 10 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-06-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16833, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-06-03T13:53:20+04:00", "utc": "1982-06-03T09:53:20Z", "ms": 391946000099.45496 }, "end": { "local": "1982-06-04T15:36:26+04:00", "utc": "1982-06-04T11:36:26Z", "ms": 392038586146.6382 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-03T13:53:20+04:00", "utc": "1982-06-03T09:53:20Z", "ms": 391946000099.45496 }, "end": { "local": "1982-06-04T15:36:26+04:00", "utc": "1982-06-04T11:36:26Z", "ms": 392038586146.6382 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-06-03", "window": { "start": { "local": "1982-06-03T20:16:23+04:00", "utc": "1982-06-03T16:16:23Z", "ms": 391968983058.17224 }, "end": { "local": "1982-06-03T21:32:33+04:00", "utc": "1982-06-03T17:32:33Z", "ms": 391973552571.81464 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1982-06-04", "window": { "start": { "local": "1982-06-04T20:16:59+04:00", "utc": "1982-06-04T16:16:59Z", "ms": 392055419043.08594 }, "end": { "local": "1982-06-04T21:33:02+04:00", "utc": "1982-06-04T17:33:02Z", "ms": 392059981719.12683 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:53 on Thu 3 Jun to 15:36 on Fri 4 Jun.", "fact": "1982-06-03T09:53:20Z → 1982-06-04T11:36:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:16–21:33 on the 3rd, 20:17–21:33 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 76 of 76 minutes on the 3rd and 0 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 16833 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Thursday 3 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": "1982-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-03", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Thursday 3 June. Trayodaśī runs from 13:53 on Thu 3 Jun to 15:36 on Fri 4 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1126, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-06-05T17:39:57+04:00", "utc": "1982-06-05T13:39:57Z", "ms": 392132397054.39185 }, "end": { "local": "1982-06-06T19:59:22+04:00", "utc": "1982-06-06T15:59:22Z", "ms": 392227161869.14667 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-05T17:39:57+04:00", "utc": "1982-06-05T13:39:57Z", "ms": 392132397054.39185 }, "end": { "local": "1982-06-06T19:59:22+04:00", "utc": "1982-06-06T15:59:22Z", "ms": 392227161869.14667 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-06-05", "window": { "start": { "local": "1982-06-05T20:17:34+04:00", "utc": "1982-06-05T16:17:34Z", "ms": 392141853988.8196 }, "end": { "local": "1982-06-05T21:33:30+04:00", "utc": "1982-06-05T17:33:30Z", "ms": 392146410194.0239 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1982-06-06", "window": { "start": { "local": "1982-06-06T20:18:08+04:00", "utc": "1982-06-06T16:18:08Z", "ms": 392228287862.72235 }, "end": { "local": "1982-06-06T21:33:58+04:00", "utc": "1982-06-06T17:33:58Z", "ms": 392232837968.40497 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:40 on Sat 5 Jun to 19:59 on Sun 6 Jun.", "fact": "1982-06-05T13:39:57Z → 1982-06-06T15:59:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:18–21:34 on the 5th, 20:18–21:34 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 5th and 0 of 76 on the 6th.", "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 1126 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Erbil, 1982: Saturday 5 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": "1982-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-05", "confidence": "determinate" } ], "quote": "In Erbil, Vaṭa Sāvitrī Vrata (Vat Purnima) 1982 falls on Saturday 5 June. Pūrṇimā runs from 17:40 on Sat 5 Jun to 19:59 on Sun 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-06-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17551, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-06-10T03:34:53+04:00", "utc": "1982-06-09T23:34:53Z", "ms": 392513692506.57367 }, "end": { "local": "1982-06-11T05:53:28+04:00", "utc": "1982-06-11T01:53:28Z", "ms": 392608408466.14136 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-10T03:34:53+04:00", "utc": "1982-06-09T23:34:53Z", "ms": 392513692506.57367 }, "end": { "local": "1982-06-11T05:53:28+04:00", "utc": "1982-06-11T01:53:28Z", "ms": 392608408466.14136 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-06-09", "window": { "start": { "local": "1982-06-09T22:42:22+04:00", "utc": "1982-06-09T18:42:22Z", "ms": 392496141821.8591 }, "end": { "local": "1982-06-09T22:42:22+04:00", "utc": "1982-06-09T18:42:22Z", "ms": 392496141821.8591 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-06-10", "window": { "start": { "local": "1982-06-10T23:25:44+04:00", "utc": "1982-06-10T19:25:44Z", "ms": 392585143562.7768 }, "end": { "local": "1982-06-10T23:25:44+04:00", "utc": "1982-06-10T19:25:44Z", "ms": 392585143562.7768 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:35 on Thu 10 Jun to 05:53 on Fri 11 Jun.", "fact": "1982-06-09T23:34:53Z → 1982-06-11T01:53:28Z" }, { "step": "kaala", "text": "Moonrise is at 22:42 on the 9th and 23:26 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17551 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Thursday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-10", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Thursday 10 June. Caturthī runs from 03:35 on Thu 10 Jun to 05:53 on Fri 11 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-06-17", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1319, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-06-17T07:39:55+04:00", "utc": "1982-06-17T03:39:55Z", "ms": 393133194634.54 }, "end": { "local": "1982-06-18T05:24:36+04:00", "utc": "1982-06-18T01:24:36Z", "ms": 393211476061.9789 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-17T07:39:55+04:00", "utc": "1982-06-17T03:39:55Z", "ms": 393133194634.54 }, "end": { "local": "1982-06-18T05:24:36+04:00", "utc": "1982-06-18T01:24:36Z", "ms": 393211476061.9789 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-06-17", "window": { "start": { "local": "1982-06-17T05:46:28+04:00", "utc": "1982-06-17T01:46:28Z", "ms": 393126388457.1312 }, "end": { "local": "1982-06-17T05:46:28+04:00", "utc": "1982-06-17T01:46:28Z", "ms": 393126388457.1312 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-06-18", "window": { "start": { "local": "1982-06-18T05:46:35+04:00", "utc": "1982-06-18T01:46:35Z", "ms": 393212795103.7455 }, "end": { "local": "1982-06-18T05:46:35+04:00", "utc": "1982-06-18T01:46:35Z", "ms": 393212795103.7455 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:40 on Thu 17 Jun to 05:25 on Fri 18 Jun.", "fact": "1982-06-17T03:39:55Z → 1982-06-18T01:24:36Z" }, { "step": "kaala", "text": "Sunrise is at 05:46 on the 17th and 05:47 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 not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1319 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Erbil, 1982: Thursday 17 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": "1982-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-17", "confidence": "determinate" } ], "quote": "In Erbil, Yoginī Ekādaśī 1982 falls on Thursday 17 June. Ekādaśī runs from 07:40 on Thu 17 Jun to 05:25 on Fri 18 Jun, and is current at sunrise on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-06-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5774, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-06-19T02:33:35+04:00", "utc": "1982-06-18T22:33:35Z", "ms": 393287615478.6087 }, "end": { "local": "1982-06-19T23:14:57+04:00", "utc": "1982-06-19T19:14:57Z", "ms": 393362096888.5733 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-19T02:33:35+04:00", "utc": "1982-06-18T22:33:35Z", "ms": 393287615478.6087 }, "end": { "local": "1982-06-19T23:14:57+04:00", "utc": "1982-06-19T19:14:57Z", "ms": 393362096888.5733 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-06-18", "window": { "start": { "local": "1982-06-18T20:23:19+04:00", "utc": "1982-06-18T16:23:19Z", "ms": 393265399123.45044 }, "end": { "local": "1982-06-18T21:38:26+04:00", "utc": "1982-06-18T17:38:26Z", "ms": 393269906354.52405 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "1982-06-19", "window": { "start": { "local": "1982-06-19T20:23:36+04:00", "utc": "1982-06-19T16:23:36Z", "ms": 393351816181.0531 }, "end": { "local": "1982-06-19T21:38:42+04:00", "utc": "1982-06-19T17:38:42Z", "ms": 393356322449.1271 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:34 on Sat 19 Jun to 23:15 on Sat 19 Jun.", "fact": "1982-06-18T22:33:35Z → 1982-06-19T19:14:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:23–21:38 on the 18th, 20:24–21:39 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 75 minutes on the 18th and 75 of 75 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 5774 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Saturday 19 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": "1982-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-19", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Saturday 19 June. Trayodaśī runs from 02:34 on Sat 19 Jun to 23:15 on Sat 19 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-06-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5178, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-06-19T23:14:57+04:00", "utc": "1982-06-19T19:14:57Z", "ms": 393362096888.5733 }, "end": { "local": "1982-06-20T19:37:47+04:00", "utc": "1982-06-20T15:37:47Z", "ms": 393435467132.3619 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-19T23:14:57+04:00", "utc": "1982-06-19T19:14:57Z", "ms": 393362096888.5733 }, "end": { "local": "1982-06-20T19:37:47+04:00", "utc": "1982-06-20T15:37:47Z", "ms": 393435467132.3619 } }, "kaala": "nishita", "days": [ { "local_date": "1982-06-19", "window": { "start": { "local": "1982-06-20T00:41:15+04:00", "utc": "1982-06-19T20:41:15Z", "ms": 393367274686.33057 }, "end": { "local": "1982-06-20T01:29:15+04:00", "utc": "1982-06-19T21:29:15Z", "ms": 393370154686.33057 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-06-20", "window": { "start": { "local": "1982-06-21T00:41:28+04:00", "utc": "1982-06-20T20:41:28Z", "ms": 393453688155.9122 }, "end": { "local": "1982-06-21T01:29:28+04:00", "utc": "1982-06-20T21:29:28Z", "ms": 393456568155.9122 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:15 on Sat 19 Jun to 19:38 on Sun 20 Jun.", "fact": "1982-06-19T19:14:57Z → 1982-06-20T15:37:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:41–01:29 on the 19th, 00:41–01:29 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5178 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Saturday 19 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": "1982-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-19", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Saturday 19 June. Caturdaśī runs from 23:15 on Sat 19 Jun to 19:38 on Sun 20 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-06-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2106, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1982-06-22T12:06:42+04:00", "utc": "1982-06-22T08:06:42Z", "ms": 393581202280.80035 }, "end": { "local": "1982-06-23T08:32:16+04:00", "utc": "1982-06-23T04:32:16Z", "ms": 393654735579.2003 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-22T12:06:42+04:00", "utc": "1982-06-22T08:06:42Z", "ms": 393581202280.80035 }, "end": { "local": "1982-06-23T08:32:16+04:00", "utc": "1982-06-23T04:32:16Z", "ms": 393654735579.2003 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-06-22", "window": { "start": { "local": "1982-06-22T12:41:48+04:00", "utc": "1982-06-22T08:41:48Z", "ms": 393583307837.7378 }, "end": { "local": "1982-06-22T13:29:48+04:00", "utc": "1982-06-22T09:29:48Z", "ms": 393586187837.7378 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-06-23", "window": { "start": { "local": "1982-06-23T12:42:00+04:00", "utc": "1982-06-23T08:42:00Z", "ms": 393669720463.69806 }, "end": { "local": "1982-06-23T13:30:00+04:00", "utc": "1982-06-23T09:30:00Z", "ms": 393672600463.69806 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:07 on Tue 22 Jun to 08:32 on Wed 23 Jun.", "fact": "1982-06-22T08:06:42Z → 1982-06-23T04:32:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 22nd, 12:42–13:30 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 2106 s" }, { "step": "ruling", "text": "Rathayātrā, Erbil, 1982: Tuesday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-22", "confidence": "determinate" } ], "quote": "In Erbil, Rathayātrā 1982 falls on Tuesday 22 June. Dvitīyā runs from 12:07 on Tue 22 Jun to 08:32 on Wed 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-06-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26676, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-06-24T05:17:37+04:00", "utc": "1982-06-24T01:17:37Z", "ms": 393729456710.85205 }, "end": { "local": "1982-06-25T02:31:08+04:00", "utc": "1982-06-24T22:31:08Z", "ms": 393805867549.8098 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-24T05:17:37+04:00", "utc": "1982-06-24T01:17:37Z", "ms": 393729456710.85205 }, "end": { "local": "1982-06-25T02:31:08+04:00", "utc": "1982-06-24T22:31:08Z", "ms": 393805867549.8098 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-06-24", "window": { "start": { "local": "1982-06-24T12:42:13+04:00", "utc": "1982-06-24T08:42:13Z", "ms": 393756133008.81854 }, "end": { "local": "1982-06-24T13:30:13+04:00", "utc": "1982-06-24T09:30:13Z", "ms": 393759013008.81854 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-06-25", "window": { "start": { "local": "1982-06-25T12:42:25+04:00", "utc": "1982-06-25T08:42:25Z", "ms": 393842545445.3728 }, "end": { "local": "1982-06-25T13:30:25+04:00", "utc": "1982-06-25T09:30:25Z", "ms": 393845425445.3728 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:18 on Thu 24 Jun to 02:31 on Fri 25 Jun.", "fact": "1982-06-24T01:17:37Z → 1982-06-24T22:31:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 24th, 12:42–13:30 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26676 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Thursday 24 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": "1982-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-24", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Thursday 24 June. Caturthī runs from 05:18 on Thu 24 Jun to 02:31 on Fri 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36678, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-06-25T02:31:08+04:00", "utc": "1982-06-24T22:31:08Z", "ms": 393805867549.8098 }, "end": { "local": "1982-06-26T00:19:56+04:00", "utc": "1982-06-25T20:19:56Z", "ms": 393884396065.8062 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-25T02:31:08+04:00", "utc": "1982-06-24T22:31:08Z", "ms": 393805867549.8098 }, "end": { "local": "1982-06-26T00:19:56+04:00", "utc": "1982-06-25T20:19:56Z", "ms": 393884396065.8062 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-06-25", "window": { "start": { "local": "1982-06-25T12:42:25+04:00", "utc": "1982-06-25T08:42:25Z", "ms": 393842545445.3728 }, "end": { "local": "1982-06-25T13:30:25+04:00", "utc": "1982-06-25T09:30:25Z", "ms": 393845425445.3728 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-06-26", "window": { "start": { "local": "1982-06-26T12:42:38+04:00", "utc": "1982-06-26T08:42:38Z", "ms": 393928957747.32776 }, "end": { "local": "1982-06-26T13:30:38+04:00", "utc": "1982-06-26T09:30:38Z", "ms": 393931837747.32776 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:31 on Fri 25 Jun to 00:20 on Sat 26 Jun.", "fact": "1982-06-24T22:31:08Z → 1982-06-25T20:19:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 25th, 12:43–13:31 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36678 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Erbil, 1982: Friday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-25", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Pañcamī 1982 falls on Friday 25 June. Pañcamī runs from 02:31 on Fri 25 Jun to 00:20 on Sat 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30725, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-06-26T22:49:28+04:00", "utc": "1982-06-26T18:49:28Z", "ms": 393965367526.44836 }, "end": { "local": "1982-06-27T22:02:55+04:00", "utc": "1982-06-27T18:02:55Z", "ms": 394048974964.40765 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-26T22:49:28+04:00", "utc": "1982-06-26T18:49:28Z", "ms": 393965367526.44836 }, "end": { "local": "1982-06-27T22:02:55+04:00", "utc": "1982-06-27T18:02:55Z", "ms": 394048974964.40765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-06-26", "window": { "start": { "local": "1982-06-26T12:42:38+04:00", "utc": "1982-06-26T08:42:38Z", "ms": 393928957747.32776 }, "end": { "local": "1982-06-26T13:30:38+04:00", "utc": "1982-06-26T09:30:38Z", "ms": 393931837747.32776 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-06-27", "window": { "start": { "local": "1982-06-27T12:42:50+04:00", "utc": "1982-06-27T08:42:50Z", "ms": 394015369890.31274 }, "end": { "local": "1982-06-27T13:30:50+04:00", "utc": "1982-06-27T09:30:50Z", "ms": 394018249890.31274 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:49 on Sat 26 Jun to 22:03 on Sun 27 Jun.", "fact": "1982-06-26T18:49:28Z → 1982-06-27T18:02:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 26th, 12:43–13:31 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 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30725 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Erbil, 1982: Sunday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-06-27", "confidence": "determinate" } ], "quote": "In Erbil, Vivasvat Saptamī 1982 falls on Sunday 27 June. Saptamī runs from 22:49 on Sat 26 Jun to 22:03 on Sun 27 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-07-01", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14539, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-06-30T23:59:25+04:00", "utc": "1982-06-30T19:59:25Z", "ms": 394315164952.5213 }, "end": { "local": "1982-07-02T01:48:24+04:00", "utc": "1982-07-01T21:48:24Z", "ms": 394408104164.0645 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-06-30T23:59:25+04:00", "utc": "1982-06-30T19:59:25Z", "ms": 394315164952.5213 }, "end": { "local": "1982-07-02T01:48:24+04:00", "utc": "1982-07-01T21:48:24Z", "ms": 394408104164.0645 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-07-01", "window": { "start": { "local": "1982-07-01T05:50:16+04:00", "utc": "1982-07-01T01:50:16Z", "ms": 394336216440.696 }, "end": { "local": "1982-07-01T05:50:16+04:00", "utc": "1982-07-01T01:50:16Z", "ms": 394336216440.696 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-07-02", "window": { "start": { "local": "1982-07-02T05:50:43+04:00", "utc": "1982-07-02T01:50:43Z", "ms": 394422642945.13763 }, "end": { "local": "1982-07-02T05:50:43+04:00", "utc": "1982-07-02T01:50:43Z", "ms": 394422642945.13763 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:59 on Wed 30 Jun to 01:48 on Fri 2 Jul.", "fact": "1982-06-30T19:59:25Z → 1982-07-01T21:48:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 1st and 05:51 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 14539 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Erbil, 1982: Thursday 1 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": "1982-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-01", "confidence": "determinate" } ], "quote": "In Erbil, Hariśayanī Ekādaśī 1982 falls on Thursday 1 July. Ekādaśī runs from 23:59 on Wed 30 Jun to 01:48 on Fri 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-07-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22800, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-07-03T04:00:20+04:00", "utc": "1982-07-03T00:00:20Z", "ms": 394502420323.2229 }, "end": { "local": "1982-07-04T06:26:50+04:00", "utc": "1982-07-04T02:26:50Z", "ms": 394597609569.8705 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-07-03T04:00:20+04:00", "utc": "1982-07-03T00:00:20Z", "ms": 394502420323.2229 }, "end": { "local": "1982-07-04T06:26:50+04:00", "utc": "1982-07-04T02:26:50Z", "ms": 394597609569.8705 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-07-02", "window": { "start": { "local": "1982-07-02T20:24:50+04:00", "utc": "1982-07-02T16:24:50Z", "ms": 394475089967.7671 }, "end": { "local": "1982-07-02T21:40:21+04:00", "utc": "1982-07-02T17:40:21Z", "ms": 394479620723.58185 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "1982-07-03", "window": { "start": { "local": "1982-07-03T20:24:44+04:00", "utc": "1982-07-03T16:24:44Z", "ms": 394561483764.49866 }, "end": { "local": "1982-07-03T21:40:19+04:00", "utc": "1982-07-03T17:40:19Z", "ms": 394566019193.49365 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:00 on Sat 3 Jul to 06:27 on Sun 4 Jul.", "fact": "1982-07-03T00:00:20Z → 1982-07-04T02:26:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:25–21:40 on the 2nd, 20:25–21:40 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 76 minutes on the 2nd and 76 of 76 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 22800 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Saturday 3 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": "1982-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-03", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Saturday 3 July. Trayodaśī runs from 04:00 on Sat 3 Jul to 06:27 on Sun 4 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4372, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-07-05", "window": { "start": { "local": "1982-07-05T12:44:18+04:00", "utc": "1982-07-05T08:44:18Z", "ms": 394706657774.20715 }, "end": { "local": "1982-07-05T13:32:18+04:00", "utc": "1982-07-05T09:32:18Z", "ms": 394709537774.20715 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-07-06", "window": { "start": { "local": "1982-07-06T12:44:28+04:00", "utc": "1982-07-06T08:44:28Z", "ms": 394793067570.7186 }, "end": { "local": "1982-07-06T13:32:28+04:00", "utc": "1982-07-06T09:32:28Z", "ms": 394795947570.7186 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul.", "fact": "1982-07-05T04:59:45Z → 1982-07-06T07:31:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:44–13:32 on the 5th, 12:44–13:32 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4372 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Erbil, 1982: Monday 5 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": "1982-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-05", "confidence": "determinate" } ], "quote": "In Erbil, Guru Pūrṇimā 1982 falls on Monday 5 July. Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21500, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 } }, "kaala": "sayahna", "days": [ { "local_date": "1982-07-05", "window": { "start": { "local": "1982-07-05T17:29:59+04:00", "utc": "1982-07-05T13:29:59Z", "ms": 394723798769.19916 }, "end": { "local": "1982-07-05T20:24:26+04:00", "utc": "1982-07-05T16:24:26Z", "ms": 394734266099.19385 } }, "covered_min": 174, "window_min": 174, "qualifies": true }, { "local_date": "1982-07-06", "window": { "start": { "local": "1982-07-06T17:29:56+04:00", "utc": "1982-07-06T13:29:56Z", "ms": 394810195809.95044 }, "end": { "local": "1982-07-06T20:24:15+04:00", "utc": "1982-07-06T16:24:15Z", "ms": 394820654636.10504 } }, "covered_min": 0, "window_min": 174, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul.", "fact": "1982-07-05T04:59:45Z → 1982-07-06T07:31:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:30–20:24 on the 5th, 17:30–20:24 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 174 of 174 minutes on the 5th and 0 of 174 on the 6th.", "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 21500 s" }, { "step": "ruling", "text": "Kokilā Vrata, Erbil, 1982: Monday 5 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": "1982-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-05", "confidence": "determinate" } ], "quote": "In Erbil, Kokilā Vrata 1982 falls on Monday 5 July. Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31959, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-07-05", "window": { "start": { "local": "1982-07-05T20:24:26+04:00", "utc": "1982-07-05T16:24:26Z", "ms": 394734266099.19385 }, "end": { "local": "1982-07-05T21:40:12+04:00", "utc": "1982-07-05T17:40:12Z", "ms": 394738812020.01227 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "1982-07-06", "window": { "start": { "local": "1982-07-06T20:24:15+04:00", "utc": "1982-07-06T16:24:15Z", "ms": 394820654636.10504 }, "end": { "local": "1982-07-06T21:40:06+04:00", "utc": "1982-07-06T17:40:06Z", "ms": 394825206366.9379 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul.", "fact": "1982-07-05T04:59:45Z → 1982-07-06T07:31:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:24–21:40 on the 5th, 20:24–21:40 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 5th and 0 of 76 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31959 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Erbil, 1982: Monday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-05", "confidence": "determinate" } ], "quote": "In Erbil, Śiva Śayanotsava 1982 falls on Monday 5 July. Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 788, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1982-07-05T08:59:45+04:00", "utc": "1982-07-05T04:59:45Z", "ms": 394693184752.4349 }, "end": { "local": "1982-07-06T11:31:36+04:00", "utc": "1982-07-06T07:31:36Z", "ms": 394788695543.2025 } }, "kaala": "udaya-3", "days": [ { "local_date": "1982-07-05", "window": { "start": { "local": "1982-07-05T05:52:09+04:00", "utc": "1982-07-05T01:52:09Z", "ms": 394681929449.2205 }, "end": { "local": "1982-07-05T08:46:37+04:00", "utc": "1982-07-05T04:46:37Z", "ms": 394692396779.2152 } }, "covered_min": 0, "window_min": 174, "qualifies": false }, { "local_date": "1982-07-06", "window": { "start": { "local": "1982-07-06T05:52:41+04:00", "utc": "1982-07-06T01:52:41Z", "ms": 394768360505.33215 }, "end": { "local": "1982-07-06T08:46:59+04:00", "utc": "1982-07-06T04:46:59Z", "ms": 394778819331.48676 } }, "covered_min": 174, "window_min": 174, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul.", "fact": "1982-07-05T04:59:45Z → 1982-07-06T07:31:36Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:52–08:47 on the 5th, 05:53–08:47 on the 6th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 174 minutes on the 5th and 174 of 174 on the 6th.", "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 788 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Erbil, 1982: Tuesday 6 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": "1982-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-06", "confidence": "determinate" } ], "quote": "In Erbil, Vyāsa Pūjā 1982 falls on Tuesday 6 July. Pūrṇimā runs from 09:00 on Mon 5 Jul to 11:32 on Tue 6 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21616, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1982-07-07T13:55:32+04:00", "utc": "1982-07-07T09:55:32Z", "ms": 394883731757.0563 }, "end": { "local": "1982-07-08T16:05:16+04:00", "utc": "1982-07-08T12:05:16Z", "ms": 394977915686.30096 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-07T13:55:32+04:00", "utc": "1982-07-07T09:55:32Z", "ms": 394883731757.0563 }, "end": { "local": "1982-07-08T16:05:16+04:00", "utc": "1982-07-08T12:05:16Z", "ms": 394977915686.30096 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-07-07", "window": { "start": { "local": "1982-07-07T21:24:55+04:00", "utc": "1982-07-07T17:24:55Z", "ms": 394910695144.9741 }, "end": { "local": "1982-07-07T21:24:55+04:00", "utc": "1982-07-07T17:24:55Z", "ms": 394910695144.9741 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-07-08", "window": { "start": { "local": "1982-07-08T22:05:31+04:00", "utc": "1982-07-08T18:05:31Z", "ms": 394999531414.53094 }, "end": { "local": "1982-07-08T22:05:31+04:00", "utc": "1982-07-08T18:05:31Z", "ms": 394999531414.53094 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:56 on Wed 7 Jul to 16:05 on Thu 8 Jul.", "fact": "1982-07-07T09:55:32Z → 1982-07-08T12:05:16Z" }, { "step": "kaala", "text": "Moonrise is at 21:25 on the 7th and 22:06 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21616 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Erbil, 1982: Wednesday 7 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": "1982-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-07", "confidence": "determinate" } ], "quote": "In Erbil, Aśūnya Śayana Vrata (Āṣāḍha) 1982 falls on Wednesday 7 July. Dvitīyā runs from 13:56 on Wed 7 Jul to 16:05 on Thu 8 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-07-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14203, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-07-09T17:54:53+04:00", "utc": "1982-07-09T13:54:53Z", "ms": 395070892978.2115 }, "end": { "local": "1982-07-10T19:18:51+04:00", "utc": "1982-07-10T15:18:51Z", "ms": 395162330535.69464 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-09T17:54:53+04:00", "utc": "1982-07-09T13:54:53Z", "ms": 395070892978.2115 }, "end": { "local": "1982-07-10T19:18:51+04:00", "utc": "1982-07-10T15:18:51Z", "ms": 395162330535.69464 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-07-09", "window": { "start": { "local": "1982-07-09T22:42:08+04:00", "utc": "1982-07-09T18:42:08Z", "ms": 395088128354.91547 }, "end": { "local": "1982-07-09T22:42:08+04:00", "utc": "1982-07-09T18:42:08Z", "ms": 395088128354.91547 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-07-10", "window": { "start": { "local": "1982-07-10T23:15:33+04:00", "utc": "1982-07-10T19:15:33Z", "ms": 395176533140.48627 }, "end": { "local": "1982-07-10T23:15:33+04:00", "utc": "1982-07-10T19:15:33Z", "ms": 395176533140.48627 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:55 on Fri 9 Jul to 19:19 on Sat 10 Jul.", "fact": "1982-07-09T13:54:53Z → 1982-07-10T15:18:51Z" }, { "step": "kaala", "text": "Moonrise is at 22:42 on the 9th and 23:16 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14203 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Friday 9 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": "1982-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-09", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Friday 9 July. Caturthī runs from 17:55 on Fri 9 Jul to 19:19 on Sat 10 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-07-17", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24071, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-07-16T15:23:49+04:00", "utc": "1982-07-16T11:23:49Z", "ms": 395666629423.6834 }, "end": { "local": "1982-07-17T12:40:35+04:00", "utc": "1982-07-17T08:40:35Z", "ms": 395743235495.30084 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-16T15:23:49+04:00", "utc": "1982-07-16T11:23:49Z", "ms": 395666629423.6834 }, "end": { "local": "1982-07-17T12:40:35+04:00", "utc": "1982-07-17T08:40:35Z", "ms": 395743235495.30084 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-07-16", "window": { "start": { "local": "1982-07-16T05:58:44+04:00", "utc": "1982-07-16T01:58:44Z", "ms": 395632723645.9079 }, "end": { "local": "1982-07-16T05:58:44+04:00", "utc": "1982-07-16T01:58:44Z", "ms": 395632723645.9079 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-07-17", "window": { "start": { "local": "1982-07-17T05:59:24+04:00", "utc": "1982-07-17T01:59:24Z", "ms": 395719164468.9084 }, "end": { "local": "1982-07-17T05:59:24+04:00", "utc": "1982-07-17T01:59:24Z", "ms": 395719164468.9084 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:24 on Fri 16 Jul to 12:41 on Sat 17 Jul.", "fact": "1982-07-16T11:23:49Z → 1982-07-17T08:40:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 16th and 05:59 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24071 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Erbil, 1982: Saturday 17 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": "1982-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-17", "confidence": "determinate" } ], "quote": "In Erbil, Kāmikā Ekādaśī 1982 falls on Saturday 17 July. Ekādaśī runs from 15:24 on Fri 16 Jul to 12:41 on Sat 17 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-07-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30574, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-07-18T09:32:27+04:00", "utc": "1982-07-18T05:32:27Z", "ms": 395818346681.91534 }, "end": { "local": "1982-07-19T06:06:45+04:00", "utc": "1982-07-19T02:06:45Z", "ms": 395892404961.205 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-18T09:32:27+04:00", "utc": "1982-07-18T05:32:27Z", "ms": 395818346681.91534 }, "end": { "local": "1982-07-19T06:06:45+04:00", "utc": "1982-07-19T02:06:45Z", "ms": 395892404961.205 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-07-17", "window": { "start": { "local": "1982-07-17T20:20:14+04:00", "utc": "1982-07-17T16:20:14Z", "ms": 395770814043.94037 }, "end": { "local": "1982-07-17T21:37:33+04:00", "utc": "1982-07-17T17:37:33Z", "ms": 395775452967.0311 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "1982-07-18", "window": { "start": { "local": "1982-07-18T20:19:42+04:00", "utc": "1982-07-18T16:19:42Z", "ms": 395857181957.16223 }, "end": { "local": "1982-07-18T21:37:11+04:00", "utc": "1982-07-18T17:37:11Z", "ms": 395861830776.29 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:32 on Sun 18 Jul to 06:07 on Mon 19 Jul.", "fact": "1982-07-18T05:32:27Z → 1982-07-19T02:06:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:20–21:38 on the 17th, 20:20–21:37 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 77 minutes on the 17th and 77 of 77 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 30574 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Sunday 18 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": "1982-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-18", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Sunday 18 July. Trayodaśī runs from 09:32 on Sun 18 Jul to 06:07 on Mon 19 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-07-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3450, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-07-19T06:06:45+04:00", "utc": "1982-07-19T02:06:45Z", "ms": 395892404961.205 }, "end": { "local": "1982-07-20T02:31:49+04:00", "utc": "1982-07-19T22:31:49Z", "ms": 395965909116.3908 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-19T06:06:45+04:00", "utc": "1982-07-19T02:06:45Z", "ms": 395892404961.205 }, "end": { "local": "1982-07-20T02:31:49+04:00", "utc": "1982-07-19T22:31:49Z", "ms": 395965909116.3908 } }, "kaala": "nishita", "days": [ { "local_date": "1982-07-18", "window": { "start": { "local": "1982-07-19T00:46:15+04:00", "utc": "1982-07-18T20:46:15Z", "ms": 395873175028.89124 }, "end": { "local": "1982-07-19T01:34:15+04:00", "utc": "1982-07-18T21:34:15Z", "ms": 395876055028.89124 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-07-19", "window": { "start": { "local": "1982-07-20T00:46:20+04:00", "utc": "1982-07-19T20:46:20Z", "ms": 395959579518.37164 }, "end": { "local": "1982-07-20T01:34:20+04:00", "utc": "1982-07-19T21:34:20Z", "ms": 395962459518.37164 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:07 on Mon 19 Jul to 02:32 on Tue 20 Jul.", "fact": "1982-07-19T02:06:45Z → 1982-07-19T22:31:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:46–01:34 on the 18th, 00:46–01:34 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3450 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Monday 19 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": "1982-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-19", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Monday 19 July. Caturdaśī runs from 06:07 on Mon 19 Jul to 02:32 on Tue 20 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 525, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-07-22T16:22:54+04:00", "utc": "1982-07-22T12:22:54Z", "ms": 396188574078.2494 }, "end": { "local": "1982-07-23T13:42:54+04:00", "utc": "1982-07-23T09:42:54Z", "ms": 396265374001.48816 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-22T16:22:54+04:00", "utc": "1982-07-22T12:22:54Z", "ms": 396188574078.2494 }, "end": { "local": "1982-07-23T13:42:54+04:00", "utc": "1982-07-23T09:42:54Z", "ms": 396265374001.48816 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-07-22", "window": { "start": { "local": "1982-07-22T12:46:07+04:00", "utc": "1982-07-22T08:46:07Z", "ms": 396175567494.66846 }, "end": { "local": "1982-07-22T13:34:07+04:00", "utc": "1982-07-22T09:34:07Z", "ms": 396178447494.66846 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-07-23", "window": { "start": { "local": "1982-07-23T12:46:09+04:00", "utc": "1982-07-23T08:46:09Z", "ms": 396261969480.34094 }, "end": { "local": "1982-07-23T13:34:09+04:00", "utc": "1982-07-23T09:34:09Z", "ms": 396264849480.34094 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:23 on Thu 22 Jul to 13:43 on Fri 23 Jul.", "fact": "1982-07-22T12:22:54Z → 1982-07-23T09:42:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:46–13:34 on the 22nd, 12:46–13:34 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 525 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Erbil, 1982: Friday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-23", "confidence": "determinate" } ], "quote": "In Erbil, Madhusravā Tṛtīyā (Teej) 1982 falls on Friday 23 July. Tṛtīyā runs from 16:23 on Thu 22 Jul to 13:43 on Fri 23 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4044, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-07-24T11:38:47+04:00", "utc": "1982-07-24T07:38:47Z", "ms": 396344326918.72076 }, "end": { "local": "1982-07-25T10:17:19+04:00", "utc": "1982-07-25T06:17:19Z", "ms": 396425839047.8762 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-24T11:38:47+04:00", "utc": "1982-07-24T07:38:47Z", "ms": 396344326918.72076 }, "end": { "local": "1982-07-25T10:17:19+04:00", "utc": "1982-07-25T06:17:19Z", "ms": 396425839047.8762 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-07-24", "window": { "start": { "local": "1982-07-24T12:46:11+04:00", "utc": "1982-07-24T08:46:11Z", "ms": 396348370881.5841 }, "end": { "local": "1982-07-24T13:34:11+04:00", "utc": "1982-07-24T09:34:11Z", "ms": 396351250881.5841 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-07-25", "window": { "start": { "local": "1982-07-25T12:46:12+04:00", "utc": "1982-07-25T08:46:12Z", "ms": 396434771689.15704 }, "end": { "local": "1982-07-25T13:34:12+04:00", "utc": "1982-07-25T09:34:12Z", "ms": 396437651689.15704 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:39 on Sat 24 Jul to 10:17 on Sun 25 Jul.", "fact": "1982-07-24T07:38:47Z → 1982-07-25T06:17:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:46–13:34 on the 24th, 12:46–13:34 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4044 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Erbil, 1982: Saturday 24 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-24", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Pañcamī 1982 falls on Saturday 24 July. Pañcamī runs from 11:39 on Sat 24 Jul to 10:17 on Sun 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-07-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 525, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-07-23T13:42:54+04:00", "utc": "1982-07-23T09:42:54Z", "ms": 396265374001.48816 }, "end": { "local": "1982-07-24T11:38:47+04:00", "utc": "1982-07-24T07:38:47Z", "ms": 396344326918.72076 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-23T13:42:54+04:00", "utc": "1982-07-23T09:42:54Z", "ms": 396265374001.48816 }, "end": { "local": "1982-07-24T11:38:47+04:00", "utc": "1982-07-24T07:38:47Z", "ms": 396344326918.72076 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-07-23", "window": { "start": { "local": "1982-07-23T12:46:09+04:00", "utc": "1982-07-23T08:46:09Z", "ms": 396261969480.34094 }, "end": { "local": "1982-07-23T13:34:09+04:00", "utc": "1982-07-23T09:34:09Z", "ms": 396264849480.34094 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-07-24", "window": { "start": { "local": "1982-07-24T12:46:11+04:00", "utc": "1982-07-24T08:46:11Z", "ms": 396348370881.5841 }, "end": { "local": "1982-07-24T13:34:11+04:00", "utc": "1982-07-24T09:34:11Z", "ms": 396351250881.5841 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:43 on Fri 23 Jul to 11:39 on Sat 24 Jul.", "fact": "1982-07-23T09:42:54Z → 1982-07-24T07:38:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:46–13:34 on the 23rd, 12:46–13:34 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "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 525 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Saturday 24 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": "1982-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-23", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Saturday 24 July. Caturthī runs from 13:43 on Fri 23 Jul to 11:39 on Sat 24 Jul, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-07-31", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31069, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-07-30T14:46:52+04:00", "utc": "1982-07-30T10:46:52Z", "ms": 396874011908.60095 }, "end": { "local": "1982-07-31T17:15:15+04:00", "utc": "1982-07-31T13:15:15Z", "ms": 396969315300.44806 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-30T14:46:52+04:00", "utc": "1982-07-30T10:46:52Z", "ms": 396874011908.60095 }, "end": { "local": "1982-07-31T17:15:15+04:00", "utc": "1982-07-31T13:15:15Z", "ms": 396969315300.44806 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-07-30", "window": { "start": { "local": "1982-07-30T06:09:02+04:00", "utc": "1982-07-30T02:09:02Z", "ms": 396842942435.749 }, "end": { "local": "1982-07-30T06:09:02+04:00", "utc": "1982-07-30T02:09:02Z", "ms": 396842942435.749 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-07-31", "window": { "start": { "local": "1982-07-31T06:09:49+04:00", "utc": "1982-07-31T02:09:49Z", "ms": 396929389312.14655 }, "end": { "local": "1982-07-31T06:09:49+04:00", "utc": "1982-07-31T02:09:49Z", "ms": 396929389312.14655 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:47 on Fri 30 Jul to 17:15 on Sat 31 Jul.", "fact": "1982-07-30T10:46:52Z → 1982-07-31T13:15:15Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 30th and 06:10 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 31069 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Erbil, 1982: Saturday 31 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": "1982-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-07-31", "confidence": "determinate" } ], "quote": "In Erbil, Putradā Ekādaśī 1982 falls on Saturday 31 July. Ekādaśī runs from 14:47 on Fri 30 Jul to 17:15 on Sat 31 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13272, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-07-31T17:15:15+04:00", "utc": "1982-07-31T13:15:15Z", "ms": 396969315300.44806 }, "end": { "local": "1982-08-01T19:50:02+04:00", "utc": "1982-08-01T15:50:02Z", "ms": 397065001821.5237 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-07-31T17:15:15+04:00", "utc": "1982-07-31T13:15:15Z", "ms": 396969315300.44806 }, "end": { "local": "1982-08-01T19:50:02+04:00", "utc": "1982-08-01T15:50:02Z", "ms": 397065001821.5237 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-07-31", "window": { "start": { "local": "1982-07-31T12:46:04+04:00", "utc": "1982-07-31T08:46:04Z", "ms": 396953163782.7711 }, "end": { "local": "1982-07-31T13:34:04+04:00", "utc": "1982-07-31T09:34:04Z", "ms": 396956043782.7711 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-01", "window": { "start": { "local": "1982-08-01T12:46:00+04:00", "utc": "1982-08-01T08:46:00Z", "ms": 397039560323.4285 }, "end": { "local": "1982-08-01T13:34:00+04:00", "utc": "1982-08-01T09:34:00Z", "ms": 397042440323.4285 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:15 on Sat 31 Jul to 19:50 on Sun 1 Aug.", "fact": "1982-07-31T13:15:15Z → 1982-08-01T15:50:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:46–13:34 on the 31st, 12:46–13:34 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13272 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Erbil, 1982: Sunday 1 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": "1982-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-01", "confidence": "determinate" } ], "quote": "In Erbil, Dāmodara Dvādaśī 1982 falls on Sunday 1 August. Dvādaśī runs from 17:15 on Sat 31 Jul to 19:50 on Sun 1 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-08-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-02", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1162, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-08-01T19:50:02+04:00", "utc": "1982-08-01T15:50:02Z", "ms": 397065001821.5237 }, "end": { "local": "1982-08-02T22:20:12+04:00", "utc": "1982-08-02T18:20:12Z", "ms": 397160411941.62445 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-08-01T19:50:02+04:00", "utc": "1982-08-01T15:50:02Z", "ms": 397065001821.5237 }, "end": { "local": "1982-08-02T22:20:12+04:00", "utc": "1982-08-02T18:20:12Z", "ms": 397160411941.62445 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-08-01", "window": { "start": { "local": "1982-08-01T20:09:24+04:00", "utc": "1982-08-01T16:09:24Z", "ms": 397066164255.1819 }, "end": { "local": "1982-08-01T21:29:40+04:00", "utc": "1982-08-01T17:29:40Z", "ms": 397070980174.7878 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "1982-08-02", "window": { "start": { "local": "1982-08-02T20:08:29+04:00", "utc": "1982-08-02T16:08:29Z", "ms": 397152508857.73083 }, "end": { "local": "1982-08-02T21:28:58+04:00", "utc": "1982-08-02T17:28:58Z", "ms": 397157338486.41156 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:50 on Sun 1 Aug to 22:20 on Mon 2 Aug.", "fact": "1982-08-01T15:50:02Z → 1982-08-02T18:20:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:09–21:30 on the 1st, 20:08–21:29 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 80 of 80 minutes on the 1st and 80 of 80 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1162 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Monday 2 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-02", "confidence": "boundary" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Monday 2 August. Trayodaśī runs from 19:50 on Sun 1 Aug to 22:20 on Mon 2 Aug and covers all of pradoṣa that evening. It also reaches the previous evening for 80 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/erbil/festivals/1982/pradosha-vrata?on=1982-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13202, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-08-04T00:36:53+04:00", "utc": "1982-08-03T20:36:53Z", "ms": 397255013419.7544 }, "end": { "local": "1982-08-05T02:33:44+04:00", "utc": "1982-08-04T22:33:44Z", "ms": 397348424204.61633 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1982-08-04T13:38:06+04:00", "utc": "1982-08-04T09:38:06Z", "ms": 397301885780.6008 }, "end": { "local": "1982-08-05T02:33:44+04:00", "utc": "1982-08-04T22:33:44Z", "ms": 397348424204.61633 } }, "kaala": "day", "days": [ { "local_date": "1982-08-04", "window": { "start": { "local": "1982-08-04T06:12:59+04:00", "utc": "1982-08-04T02:12:59Z", "ms": 397275178634.23145 }, "end": { "local": "1982-08-05T06:13:46+04:00", "utc": "1982-08-05T02:13:46Z", "ms": 397361626318.6301 } }, "covered_min": 776, "window_min": 1441, "qualifies": true }, { "local_date": "1982-08-05", "window": { "start": { "local": "1982-08-05T06:13:46+04:00", "utc": "1982-08-05T02:13:46Z", "ms": 397361626318.6301 }, "end": { "local": "1982-08-06T06:14:34+04:00", "utc": "1982-08-06T02:14:34Z", "ms": 397448074109.7021 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:37 on Wed 4 Aug to 02:34 on Thu 5 Aug. Its second half begins at 13:38 on Wed 4 Aug.", "fact": "1982-08-03T20:36:53Z → 1982-08-04T22:33:44Z · second half from 1982-08-04T09:38:06Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:13 on the 4th, and from 06:14 on the 5th.", "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 776 of 1441 minutes on the 4th and 0 of 1441 on the 5th.", "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 13202 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Erbil, 1982: Wednesday 4 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": "1982-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-04", "confidence": "determinate" } ], "quote": "In Erbil, Rakṣā Bandhana (Rakhi) 1982 falls on Wednesday 4 August. The second half of Pūrṇimā runs from 13:38 on Wed 4 Aug to 02:34 on Thu 5 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36716, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-08-04T00:36:53+04:00", "utc": "1982-08-03T20:36:53Z", "ms": 397255013419.7544 }, "end": { "local": "1982-08-05T02:33:44+04:00", "utc": "1982-08-04T22:33:44Z", "ms": 397348424204.61633 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1982-08-04T00:36:53+04:00", "utc": "1982-08-03T20:36:53Z", "ms": 397255013419.7544 }, "end": { "local": "1982-08-05T02:33:44+04:00", "utc": "1982-08-04T22:33:44Z", "ms": 397348424204.61633 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-04", "window": { "start": { "local": "1982-08-04T12:45:46+04:00", "utc": "1982-08-04T08:45:46Z", "ms": 397298746305.15356 }, "end": { "local": "1982-08-04T13:33:46+04:00", "utc": "1982-08-04T09:33:46Z", "ms": 397301626305.15356 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-05", "window": { "start": { "local": "1982-08-05T12:45:40+04:00", "utc": "1982-08-05T08:45:40Z", "ms": 397385140433.6009 }, "end": { "local": "1982-08-05T13:33:40+04:00", "utc": "1982-08-05T09:33:40Z", "ms": 397388020433.6009 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:37 on Wed 4 Aug to 02:34 on Thu 5 Aug.", "fact": "1982-08-03T20:36:53Z → 1982-08-04T22:33:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:46–13:34 on the 4th, 12:46–13:34 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36716 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Erbil, 1982: Wednesday 4 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": "1982-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-04", "confidence": "determinate" } ], "quote": "In Erbil, Ṛṣi Tarpaṇa 1982 falls on Wednesday 4 August. Pūrṇimā runs from 00:37 on Wed 4 Aug to 02:34 on Thu 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26612, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1982-08-06T04:06:42+04:00", "utc": "1982-08-06T00:06:42Z", "ms": 397440401576.109 }, "end": { "local": "1982-08-07T05:13:31+04:00", "utc": "1982-08-07T01:13:31Z", "ms": 397530810845.8822 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-06T04:06:42+04:00", "utc": "1982-08-06T00:06:42Z", "ms": 397440401576.109 }, "end": { "local": "1982-08-07T05:13:31+04:00", "utc": "1982-08-07T01:13:31Z", "ms": 397530810845.8822 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-08-05", "window": { "start": { "local": "1982-08-05T20:43:09+04:00", "utc": "1982-08-05T16:43:09Z", "ms": 397413789272.7261 }, "end": { "local": "1982-08-05T20:43:09+04:00", "utc": "1982-08-05T16:43:09Z", "ms": 397413789272.7261 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-08-06", "window": { "start": { "local": "1982-08-06T21:17:44+04:00", "utc": "1982-08-06T17:17:44Z", "ms": 397502263913.98553 }, "end": { "local": "1982-08-06T21:17:44+04:00", "utc": "1982-08-06T17:17:44Z", "ms": 397502263913.98553 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:07 on Fri 6 Aug to 05:14 on Sat 7 Aug.", "fact": "1982-08-06T00:06:42Z → 1982-08-07T01:13:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 5th and 21:18 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 5th and is on the 6th.", "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 26612 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Erbil, 1982: Friday 6 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": "1982-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-06", "confidence": "determinate" } ], "quote": "In Erbil, Aśūnya Śayana Vrata 1982 falls on Friday 6 August. Dvitīyā runs from 04:07 on Fri 6 Aug to 05:14 on Sat 7 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24731, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-08-07T05:13:31+04:00", "utc": "1982-08-07T01:13:31Z", "ms": 397530810845.8822 }, "end": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-07T05:13:31+04:00", "utc": "1982-08-07T01:13:31Z", "ms": 397530810845.8822 }, "end": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-07", "window": { "start": { "local": "1982-08-07T12:45:27+04:00", "utc": "1982-08-07T08:45:27Z", "ms": 397557926928.37415 }, "end": { "local": "1982-08-07T13:33:27+04:00", "utc": "1982-08-07T09:33:27Z", "ms": 397560806928.37415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-08", "window": { "start": { "local": "1982-08-08T12:45:19+04:00", "utc": "1982-08-08T08:45:19Z", "ms": 397644319309.43164 }, "end": { "local": "1982-08-08T13:33:19+04:00", "utc": "1982-08-08T09:33:19Z", "ms": 397647199309.43164 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:14 on Sat 7 Aug to 05:53 on Sun 8 Aug.", "fact": "1982-08-07T01:13:31Z → 1982-08-08T01:53:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:45–13:33 on the 7th, 12:45–13:33 on the 8th.", "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 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: paraviddha → only-day · margin 24731 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Erbil, 1982: Saturday 7 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": "1982-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-07", "confidence": "determinate" } ], "quote": "In Erbil, Kajjalī Tṛtīyā (Kajari Teej) 1982 falls on Saturday 7 August. Tṛtīyā runs from 05:14 on Sat 7 Aug to 05:53 on Sun 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35376, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 }, "end": { "local": "1982-08-09T06:05:06+04:00", "utc": "1982-08-09T02:05:06Z", "ms": 397706706104.1499 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 }, "end": { "local": "1982-08-09T06:05:06+04:00", "utc": "1982-08-09T02:05:06Z", "ms": 397706706104.1499 } }, "kaala": "sayahna", "days": [ { "local_date": "1982-08-07", "window": { "start": { "local": "1982-08-07T17:17:54+04:00", "utc": "1982-08-07T13:17:54Z", "ms": 397574273889.9036 }, "end": { "local": "1982-08-07T20:03:32+04:00", "utc": "1982-08-07T16:03:32Z", "ms": 397584211864.2566 } }, "covered_min": 0, "window_min": 166, "qualifies": false }, { "local_date": "1982-08-08", "window": { "start": { "local": "1982-08-08T17:17:13+04:00", "utc": "1982-08-08T13:17:13Z", "ms": 397660632923.1152 }, "end": { "local": "1982-08-08T20:02:29+04:00", "utc": "1982-08-08T16:02:29Z", "ms": 397670548665.57086 } }, "covered_min": 165, "window_min": 165, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:53 on Sun 8 Aug to 06:05 on Mon 9 Aug.", "fact": "1982-08-08T01:53:08Z → 1982-08-09T02:05:06Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:18–20:04 on the 7th, 17:17–20:02 on the 8th.", "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 166 minutes on the 7th and 165 of 165 on the 8th.", "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 35376 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Erbil, 1982: Sunday 8 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": "1982-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-08", "confidence": "determinate" } ], "quote": "In Erbil, Bahulā Caturthī 1982 falls on Sunday 8 August. Caturthī runs from 05:53 on Sun 8 Aug to 06:05 on Mon 9 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-08-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27903, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 }, "end": { "local": "1982-08-09T06:05:06+04:00", "utc": "1982-08-09T02:05:06Z", "ms": 397706706104.1499 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-08T05:53:08+04:00", "utc": "1982-08-08T01:53:08Z", "ms": 397619587834.0677 }, "end": { "local": "1982-08-09T06:05:06+04:00", "utc": "1982-08-09T02:05:06Z", "ms": 397706706104.1499 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-08-07", "window": { "start": { "local": "1982-08-07T21:49:41+04:00", "utc": "1982-08-07T17:49:41Z", "ms": 397590580953.4121 }, "end": { "local": "1982-08-07T21:49:41+04:00", "utc": "1982-08-07T17:49:41Z", "ms": 397590580953.4121 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-08-08", "window": { "start": { "local": "1982-08-08T22:20:03+04:00", "utc": "1982-08-08T18:20:03Z", "ms": 397678803350.69006 }, "end": { "local": "1982-08-08T22:20:03+04:00", "utc": "1982-08-08T18:20:03Z", "ms": 397678803350.69006 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:53 on Sun 8 Aug to 06:05 on Mon 9 Aug.", "fact": "1982-08-08T01:53:08Z → 1982-08-09T02:05:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:50 on the 7th and 22:20 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27903 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Sunday 8 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": "1982-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-08", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Sunday 8 August. Caturthī runs from 05:53 on Sun 8 Aug to 06:05 on Mon 9 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24947, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-08-10T05:49:16+04:00", "utc": "1982-08-10T01:49:16Z", "ms": 397792155552.83545 }, "end": { "local": "1982-08-11T05:05:35+04:00", "utc": "1982-08-11T01:05:35Z", "ms": 397875934843.64996 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-10T05:49:16+04:00", "utc": "1982-08-10T01:49:16Z", "ms": 397792155552.83545 }, "end": { "local": "1982-08-11T05:05:35+04:00", "utc": "1982-08-11T01:05:35Z", "ms": 397875934843.64996 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-10", "window": { "start": { "local": "1982-08-10T12:45:02+04:00", "utc": "1982-08-10T08:45:02Z", "ms": 397817102379.95807 }, "end": { "local": "1982-08-10T13:33:02+04:00", "utc": "1982-08-10T09:33:02Z", "ms": 397819982379.95807 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-11", "window": { "start": { "local": "1982-08-11T12:44:53+04:00", "utc": "1982-08-11T08:44:53Z", "ms": 397903493086.8904 }, "end": { "local": "1982-08-11T13:32:53+04:00", "utc": "1982-08-11T09:32:53Z", "ms": 397906373086.8904 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:49 on Tue 10 Aug to 05:06 on Wed 11 Aug.", "fact": "1982-08-10T01:49:16Z → 1982-08-11T01:05:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:45–13:33 on the 10th, 12:45–13:33 on the 11th.", "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 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 24947 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Erbil, 1982: Tuesday 10 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": "1982-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-10", "confidence": "determinate" } ], "quote": "In Erbil, Hala Ṣaṣṭhī 1982 falls on Tuesday 10 August. Ṣaṣṭhī runs from 05:49 on Tue 10 Aug to 05:06 on Wed 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27558, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-08-11T05:05:35+04:00", "utc": "1982-08-11T01:05:35Z", "ms": 397875934843.64996 }, "end": { "local": "1982-08-12T03:54:17+04:00", "utc": "1982-08-11T23:54:17Z", "ms": 397958056679.8558 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-11T05:05:35+04:00", "utc": "1982-08-11T01:05:35Z", "ms": 397875934843.64996 }, "end": { "local": "1982-08-12T03:54:17+04:00", "utc": "1982-08-11T23:54:17Z", "ms": 397958056679.8558 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-11", "window": { "start": { "local": "1982-08-11T12:44:53+04:00", "utc": "1982-08-11T08:44:53Z", "ms": 397903493086.8904 }, "end": { "local": "1982-08-11T13:32:53+04:00", "utc": "1982-08-11T09:32:53Z", "ms": 397906373086.8904 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-12", "window": { "start": { "local": "1982-08-12T12:44:43+04:00", "utc": "1982-08-12T08:44:43Z", "ms": 397989883253.38025 }, "end": { "local": "1982-08-12T13:32:43+04:00", "utc": "1982-08-12T09:32:43Z", "ms": 397992763253.38025 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:06 on Wed 11 Aug to 03:54 on Thu 12 Aug.", "fact": "1982-08-11T01:05:35Z → 1982-08-11T23:54:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:45–13:33 on the 11th, 12:45–13:33 on the 12th.", "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 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: purvaviddha → only-day · margin 27558 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Erbil, 1982: Wednesday 11 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": "1982-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-11", "confidence": "determinate" } ], "quote": "In Erbil, Śītalā Saptamī 1982 falls on Wednesday 11 August. Saptamī runs from 05:06 on Wed 11 Aug to 03:54 on Thu 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2575, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-08-12T03:54:17+04:00", "utc": "1982-08-11T23:54:17Z", "ms": 397958056679.8558 }, "end": { "local": "1982-08-13T02:16:02+04:00", "utc": "1982-08-12T22:16:02Z", "ms": 398038562197.6023 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-12T03:54:17+04:00", "utc": "1982-08-11T23:54:17Z", "ms": 397958056679.8558 }, "end": { "local": "1982-08-13T02:16:02+04:00", "utc": "1982-08-12T22:16:02Z", "ms": 398038562197.6023 } }, "kaala": "nishita", "days": [ { "local_date": "1982-08-11", "window": { "start": { "local": "1982-08-12T00:45:17+04:00", "utc": "1982-08-11T20:45:17Z", "ms": 397946717163.5457 }, "end": { "local": "1982-08-12T01:33:17+04:00", "utc": "1982-08-11T21:33:17Z", "ms": 397949597163.5457 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-12", "window": { "start": { "local": "1982-08-13T00:45:07+04:00", "utc": "1982-08-12T20:45:07Z", "ms": 398033107340.1476 }, "end": { "local": "1982-08-13T01:33:07+04:00", "utc": "1982-08-12T21:33:07Z", "ms": 398035987340.1476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:54 on Thu 12 Aug to 02:16 on Fri 13 Aug.", "fact": "1982-08-11T23:54:17Z → 1982-08-12T22:16:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:45–01:33 on the 11th, 00:45–01:33 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2575 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Erbil, 1982: Thursday 12 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": "1982-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-12", "confidence": "determinate" } ], "quote": "In Erbil, Janmāṣṭamī (Krishna Janmashtami) 1982 falls on Thursday 12 August. Aṣṭamī runs from 03:54 on Thu 12 Aug to 02:16 on Fri 13 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-08-15", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30968, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-08-14T21:45:39+04:00", "utc": "1982-08-14T17:45:39Z", "ms": 398195139053.5917 }, "end": { "local": "1982-08-15T18:59:48+04:00", "utc": "1982-08-15T14:59:48Z", "ms": 398271588086.92017 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-14T21:45:39+04:00", "utc": "1982-08-14T17:45:39Z", "ms": 398195139053.5917 }, "end": { "local": "1982-08-15T18:59:48+04:00", "utc": "1982-08-15T14:59:48Z", "ms": 398271588086.92017 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-08-15", "window": { "start": { "local": "1982-08-15T06:21:47+04:00", "utc": "1982-08-15T02:21:47Z", "ms": 398226106869.3286 }, "end": { "local": "1982-08-15T06:21:47+04:00", "utc": "1982-08-15T02:21:47Z", "ms": 398226106869.3286 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-08-16", "window": { "start": { "local": "1982-08-16T06:22:35+04:00", "utc": "1982-08-16T02:22:35Z", "ms": 398312555032.1742 }, "end": { "local": "1982-08-16T06:22:35+04:00", "utc": "1982-08-16T02:22:35Z", "ms": 398312555032.1742 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:46 on Sat 14 Aug to 19:00 on Sun 15 Aug.", "fact": "1982-08-14T17:45:39Z → 1982-08-15T14:59:48Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 15th and 06:23 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30968 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Erbil, 1982: Sunday 15 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": "1982-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-15", "confidence": "determinate" } ], "quote": "In Erbil, Ajā Ekādaśī 1982 falls on Sunday 15 August. Ekādaśī runs from 21:46 on Sat 14 Aug to 19:00 on Sun 15 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-08-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14010, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-08-16T15:59:52+04:00", "utc": "1982-08-16T11:59:52Z", "ms": 398347192208.18695 }, "end": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-16T15:59:52+04:00", "utc": "1982-08-16T11:59:52Z", "ms": 398347192208.18695 }, "end": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-08-16", "window": { "start": { "local": "1982-08-16T19:53:22+04:00", "utc": "1982-08-16T15:53:22Z", "ms": 398361202325.9173 }, "end": { "local": "1982-08-16T21:17:22+04:00", "utc": "1982-08-16T17:17:22Z", "ms": 398366242437.864 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1982-08-17", "window": { "start": { "local": "1982-08-17T19:52:09+04:00", "utc": "1982-08-17T15:52:09Z", "ms": 398447529355.869 }, "end": { "local": "1982-08-17T21:16:26+04:00", "utc": "1982-08-17T17:16:26Z", "ms": 398452585609.2 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:00 on Mon 16 Aug to 12:52 on Tue 17 Aug.", "fact": "1982-08-16T11:59:52Z → 1982-08-17T08:52:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:17 on the 16th, 19:52–21:16 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 16th and 0 of 84 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14010 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Monday 16 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": "1982-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-16", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Monday 16 August. Trayodaśī runs from 16:00 on Mon 16 Aug to 12:52 on Tue 17 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25195, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 }, "end": { "local": "1982-08-18T09:44:26+04:00", "utc": "1982-08-18T05:44:26Z", "ms": 398497465653.5681 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 }, "end": { "local": "1982-08-18T09:44:26+04:00", "utc": "1982-08-18T05:44:26Z", "ms": 398497465653.5681 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-08-17", "window": { "start": { "local": "1982-08-17T19:52:09+04:00", "utc": "1982-08-17T15:52:09Z", "ms": 398447529355.869 }, "end": { "local": "1982-08-17T21:16:26+04:00", "utc": "1982-08-17T17:16:26Z", "ms": 398452585609.2 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1982-08-18", "window": { "start": { "local": "1982-08-18T19:50:55+04:00", "utc": "1982-08-18T15:50:55Z", "ms": 398533855432.5497 }, "end": { "local": "1982-08-18T21:15:28+04:00", "utc": "1982-08-18T17:15:28Z", "ms": 398538927946.8902 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:52 on Tue 17 Aug to 09:44 on Wed 18 Aug.", "fact": "1982-08-17T08:52:14Z → 1982-08-18T05:44:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:16 on the 17th, 19:51–21:15 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī 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. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25195 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Erbil, 1982: Tuesday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-17", "confidence": "determinate" } ], "quote": "In Erbil, Aghora Caturdaśī 1982 falls on Tuesday 17 August. Caturdaśī runs from 12:52 on Tue 17 Aug to 09:44 on Wed 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/shivaratri?on=1982-08-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29535, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 }, "end": { "local": "1982-08-18T09:44:26+04:00", "utc": "1982-08-18T05:44:26Z", "ms": 398497465653.5681 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-17T12:52:14+04:00", "utc": "1982-08-17T08:52:14Z", "ms": 398422334307.9384 }, "end": { "local": "1982-08-18T09:44:26+04:00", "utc": "1982-08-18T05:44:26Z", "ms": 398497465653.5681 } }, "kaala": "nishita", "days": [ { "local_date": "1982-08-16", "window": { "start": { "local": "1982-08-17T00:44:23+04:00", "utc": "1982-08-16T20:44:23Z", "ms": 398378662745.7176 }, "end": { "local": "1982-08-17T01:32:23+04:00", "utc": "1982-08-16T21:32:23Z", "ms": 398381542745.7176 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-17", "window": { "start": { "local": "1982-08-18T00:44:10+04:00", "utc": "1982-08-17T20:44:10Z", "ms": 398465050305.8601 }, "end": { "local": "1982-08-18T01:32:10+04:00", "utc": "1982-08-17T21:32:10Z", "ms": 398467930305.8601 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:52 on Tue 17 Aug to 09:44 on Wed 18 Aug.", "fact": "1982-08-17T08:52:14Z → 1982-08-18T05:44:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:44–01:32 on the 16th, 00:44–01:32 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29535 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Tuesday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-17", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Tuesday 17 August. Caturdaśī runs from 12:52 on Tue 17 Aug to 09:44 on Wed 18 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21508, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-08-19T06:44:52+04:00", "utc": "1982-08-19T02:44:52Z", "ms": 398573091844.00256 }, "end": { "local": "1982-08-20T04:02:33+04:00", "utc": "1982-08-20T00:02:33Z", "ms": 398649752934.18677 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-19T06:44:52+04:00", "utc": "1982-08-19T02:44:52Z", "ms": 398573091844.00256 }, "end": { "local": "1982-08-20T04:02:33+04:00", "utc": "1982-08-20T00:02:33Z", "ms": 398649752934.18677 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-19", "window": { "start": { "local": "1982-08-19T12:43:20+04:00", "utc": "1982-08-19T08:43:20Z", "ms": 398594599935.04565 }, "end": { "local": "1982-08-19T13:31:20+04:00", "utc": "1982-08-19T09:31:20Z", "ms": 398597479935.04565 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-20", "window": { "start": { "local": "1982-08-20T12:43:06+04:00", "utc": "1982-08-20T08:43:06Z", "ms": 398680986039.28864 }, "end": { "local": "1982-08-20T13:31:06+04:00", "utc": "1982-08-20T09:31:06Z", "ms": 398683866039.28864 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:45 on Thu 19 Aug to 04:03 on Fri 20 Aug.", "fact": "1982-08-19T02:44:52Z → 1982-08-20T00:02:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 19th, 12:43–13:31 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21508 s" }, { "step": "ruling", "text": "Rudra Vrata, Erbil, 1982: Thursday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-19", "confidence": "determinate" } ], "quote": "In Erbil, Rudra Vrata 1982 falls on Thursday 19 August. Pratipadā runs from 06:45 on Thu 19 Aug to 04:03 on Fri 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38085, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1982-08-21T01:46:36+04:00", "utc": "1982-08-20T21:46:36Z", "ms": 398727995958.89575 }, "end": { "local": "1982-08-22T00:05:37+04:00", "utc": "1982-08-21T20:05:37Z", "ms": 398808337111.1158 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-21T01:46:36+04:00", "utc": "1982-08-20T21:46:36Z", "ms": 398727995958.89575 }, "end": { "local": "1982-08-22T00:05:37+04:00", "utc": "1982-08-21T20:05:37Z", "ms": 398808337111.1158 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-20", "window": { "start": { "local": "1982-08-20T12:43:06+04:00", "utc": "1982-08-20T08:43:06Z", "ms": 398680986039.28864 }, "end": { "local": "1982-08-20T13:31:06+04:00", "utc": "1982-08-20T09:31:06Z", "ms": 398683866039.28864 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-21", "window": { "start": { "local": "1982-08-21T12:42:52+04:00", "utc": "1982-08-21T08:42:52Z", "ms": 398767371664.05426 }, "end": { "local": "1982-08-21T13:30:52+04:00", "utc": "1982-08-21T09:30:52Z", "ms": 398770251664.05426 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:47 on Sat 21 Aug to 00:06 on Sun 22 Aug.", "fact": "1982-08-20T21:46:36Z → 1982-08-21T20:05:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 20th, 12:43–13:31 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38085 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Erbil, 1982: Saturday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-21", "confidence": "determinate" } ], "quote": "In Erbil, Haritālikā Vrata (Hartalika Teej) 1982 falls on Saturday 21 August. Tṛtīyā runs from 01:47 on Sat 21 Aug to 00:06 on Sun 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34574, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-08-22T00:05:37+04:00", "utc": "1982-08-21T20:05:37Z", "ms": 398808337111.1158 }, "end": { "local": "1982-08-22T23:06:51+04:00", "utc": "1982-08-22T19:06:51Z", "ms": 398891211195.2356 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-22T00:05:37+04:00", "utc": "1982-08-21T20:05:37Z", "ms": 398808337111.1158 }, "end": { "local": "1982-08-22T23:06:51+04:00", "utc": "1982-08-22T19:06:51Z", "ms": 398891211195.2356 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-21", "window": { "start": { "local": "1982-08-21T12:42:52+04:00", "utc": "1982-08-21T08:42:52Z", "ms": 398767371664.05426 }, "end": { "local": "1982-08-21T13:30:52+04:00", "utc": "1982-08-21T09:30:52Z", "ms": 398770251664.05426 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-22", "window": { "start": { "local": "1982-08-22T12:42:37+04:00", "utc": "1982-08-22T08:42:37Z", "ms": 398853756817.8346 }, "end": { "local": "1982-08-22T13:30:37+04:00", "utc": "1982-08-22T09:30:37Z", "ms": 398856636817.8346 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:06 on Sun 22 Aug to 23:07 on Sun 22 Aug.", "fact": "1982-08-21T20:05:37Z → 1982-08-22T19:06:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 21st, 12:43–13:31 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34574 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Erbil, 1982: Sunday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-22", "confidence": "determinate" } ], "quote": "In Erbil, Gaṇeśa Caturthī 1982 falls on Sunday 22 August. Caturthī runs from 00:06 on Sun 22 Aug to 23:07 on Sun 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33887, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-08-22T23:06:51+04:00", "utc": "1982-08-22T19:06:51Z", "ms": 398891211195.2356 }, "end": { "local": "1982-08-23T22:55:09+04:00", "utc": "1982-08-23T18:55:09Z", "ms": 398976908928.3694 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-22T23:06:51+04:00", "utc": "1982-08-22T19:06:51Z", "ms": 398891211195.2356 }, "end": { "local": "1982-08-23T22:55:09+04:00", "utc": "1982-08-23T18:55:09Z", "ms": 398976908928.3694 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-22", "window": { "start": { "local": "1982-08-22T12:42:37+04:00", "utc": "1982-08-22T08:42:37Z", "ms": 398853756817.8346 }, "end": { "local": "1982-08-22T13:30:37+04:00", "utc": "1982-08-22T09:30:37Z", "ms": 398856636817.8346 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-23", "window": { "start": { "local": "1982-08-23T12:42:22+04:00", "utc": "1982-08-23T08:42:22Z", "ms": 398940141510.58093 }, "end": { "local": "1982-08-23T13:30:22+04:00", "utc": "1982-08-23T09:30:22Z", "ms": 398943021510.58093 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:07 on Sun 22 Aug to 22:55 on Mon 23 Aug.", "fact": "1982-08-22T19:06:51Z → 1982-08-23T18:55:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 22nd, 12:42–13:30 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 33887 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Erbil, 1982: Monday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-23", "confidence": "determinate" } ], "quote": "In Erbil, Ṛṣi Pañcamī 1982 falls on Monday 23 August. Pañcamī runs from 23:07 on Sun 22 Aug to 22:55 on Mon 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33887, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-08-23T22:55:09+04:00", "utc": "1982-08-23T18:55:09Z", "ms": 398976908928.3694 }, "end": { "local": "1982-08-24T23:31:49+04:00", "utc": "1982-08-24T19:31:49Z", "ms": 399065509248.7642 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-23T22:55:09+04:00", "utc": "1982-08-23T18:55:09Z", "ms": 398976908928.3694 }, "end": { "local": "1982-08-24T23:31:49+04:00", "utc": "1982-08-24T19:31:49Z", "ms": 399065509248.7642 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-23", "window": { "start": { "local": "1982-08-23T12:42:22+04:00", "utc": "1982-08-23T08:42:22Z", "ms": 398940141510.58093 }, "end": { "local": "1982-08-23T13:30:22+04:00", "utc": "1982-08-23T09:30:22Z", "ms": 398943021510.58093 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-24", "window": { "start": { "local": "1982-08-24T12:42:06+04:00", "utc": "1982-08-24T08:42:06Z", "ms": 399026525753.64435 }, "end": { "local": "1982-08-24T13:30:06+04:00", "utc": "1982-08-24T09:30:06Z", "ms": 399029405753.64435 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:55 on Mon 23 Aug to 23:32 on Tue 24 Aug.", "fact": "1982-08-23T18:55:09Z → 1982-08-24T19:31:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 23rd, 12:42–13:30 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33887 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Erbil, 1982: Tuesday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-24", "confidence": "determinate" } ], "quote": "In Erbil, Sūrya Ṣaṣṭhī (Bhādrapada) 1982 falls on Tuesday 24 August. Ṣaṣṭhī runs from 22:55 on Mon 23 Aug to 23:32 on Tue 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36103, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-08-24T23:31:49+04:00", "utc": "1982-08-24T19:31:49Z", "ms": 399065509248.7642 }, "end": { "local": "1982-08-26T00:53:43+04:00", "utc": "1982-08-25T20:53:43Z", "ms": 399156823294.1285 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-24T23:31:49+04:00", "utc": "1982-08-24T19:31:49Z", "ms": 399065509248.7642 }, "end": { "local": "1982-08-26T00:53:43+04:00", "utc": "1982-08-25T20:53:43Z", "ms": 399156823294.1285 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-24", "window": { "start": { "local": "1982-08-24T12:42:06+04:00", "utc": "1982-08-24T08:42:06Z", "ms": 399026525753.64435 }, "end": { "local": "1982-08-24T13:30:06+04:00", "utc": "1982-08-24T09:30:06Z", "ms": 399029405753.64435 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-08-25", "window": { "start": { "local": "1982-08-25T12:41:50+04:00", "utc": "1982-08-25T08:41:50Z", "ms": 399112909559.64124 }, "end": { "local": "1982-08-25T13:29:50+04:00", "utc": "1982-08-25T09:29:50Z", "ms": 399115789559.64124 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:32 on Tue 24 Aug to 00:54 on Thu 26 Aug.", "fact": "1982-08-24T19:31:49Z → 1982-08-25T20:53:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 24th, 12:42–13:30 on the 25th.", "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 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: purvaviddha → only-day · margin 36103 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Erbil, 1982: Wednesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-25", "confidence": "determinate" } ], "quote": "In Erbil, Muktābharaṇa Vrata 1982 falls on Wednesday 25 August. Saptamī runs from 23:32 on Tue 24 Aug to 00:54 on Thu 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35301, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-08-26T00:53:43+04:00", "utc": "1982-08-25T20:53:43Z", "ms": 399156823294.1285 }, "end": { "local": "1982-08-27T02:52:55+04:00", "utc": "1982-08-26T22:52:55Z", "ms": 399250374524.0939 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-26T00:53:43+04:00", "utc": "1982-08-25T20:53:43Z", "ms": 399156823294.1285 }, "end": { "local": "1982-08-27T02:52:55+04:00", "utc": "1982-08-26T22:52:55Z", "ms": 399250374524.0939 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-26", "window": { "start": { "local": "1982-08-26T12:41:33+04:00", "utc": "1982-08-26T08:41:33Z", "ms": 399199292942.3061 }, "end": { "local": "1982-08-26T13:29:33+04:00", "utc": "1982-08-26T09:29:33Z", "ms": 399202172942.3061 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-27", "window": { "start": { "local": "1982-08-27T12:41:16+04:00", "utc": "1982-08-27T08:41:16Z", "ms": 399285675916.35974 }, "end": { "local": "1982-08-27T13:29:16+04:00", "utc": "1982-08-27T09:29:16Z", "ms": 399288555916.35974 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:54 on Thu 26 Aug to 02:53 on Fri 27 Aug.", "fact": "1982-08-25T20:53:43Z → 1982-08-26T22:52:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 26th, 12:41–13:29 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35301 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Erbil, 1982: Thursday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-26", "confidence": "determinate" } ], "quote": "In Erbil, Rādhāṣṭamī 1982 falls on Thursday 26 August. Aṣṭamī runs from 00:54 on Thu 26 Aug to 02:53 on Fri 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-08-30", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4763, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-08-29T07:52:17+04:00", "utc": "1982-08-29T03:52:17Z", "ms": 399441137297.7366 }, "end": { "local": "1982-08-30T10:23:11+04:00", "utc": "1982-08-30T06:23:11Z", "ms": 399536591465.91925 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-29T07:52:17+04:00", "utc": "1982-08-29T03:52:17Z", "ms": 399441137297.7366 }, "end": { "local": "1982-08-30T10:23:11+04:00", "utc": "1982-08-30T06:23:11Z", "ms": 399536591465.91925 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-08-29", "window": { "start": { "local": "1982-08-29T06:32:55+04:00", "utc": "1982-08-29T02:32:55Z", "ms": 399436374723.0118 }, "end": { "local": "1982-08-29T06:32:55+04:00", "utc": "1982-08-29T02:32:55Z", "ms": 399436374723.0118 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-08-30", "window": { "start": { "local": "1982-08-30T06:33:42+04:00", "utc": "1982-08-30T02:33:42Z", "ms": 399522821711.66394 }, "end": { "local": "1982-08-30T06:33:42+04:00", "utc": "1982-08-30T02:33:42Z", "ms": 399522821711.66394 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:52 on Sun 29 Aug to 10:23 on Mon 30 Aug.", "fact": "1982-08-29T03:52:17Z → 1982-08-30T06:23:11Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 29th and 06:34 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4763 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Erbil, 1982: Monday 30 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": "1982-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-30", "confidence": "determinate" } ], "quote": "In Erbil, Parivartanī Ekādaśī 1982 falls on Monday 30 August. Ekādaśī runs from 07:52 on Sun 29 Aug to 10:23 on Mon 30 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-30", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 163, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-08-30T10:23:11+04:00", "utc": "1982-08-30T06:23:11Z", "ms": 399536591465.91925 }, "end": { "local": "1982-08-31T12:37:21+04:00", "utc": "1982-08-31T08:37:21Z", "ms": 399631040899.82996 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-30T10:23:11+04:00", "utc": "1982-08-30T06:23:11Z", "ms": 399536591465.91925 }, "end": { "local": "1982-08-31T12:37:21+04:00", "utc": "1982-08-31T08:37:21Z", "ms": 399631040899.82996 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-08-30", "window": { "start": { "local": "1982-08-30T12:40:23+04:00", "utc": "1982-08-30T08:40:23Z", "ms": 399544822546.8608 }, "end": { "local": "1982-08-30T13:28:23+04:00", "utc": "1982-08-30T09:28:23Z", "ms": 399547702546.8608 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-08-31", "window": { "start": { "local": "1982-08-31T12:40:04+04:00", "utc": "1982-08-31T08:40:04Z", "ms": 399631204050.3399 }, "end": { "local": "1982-08-31T13:28:04+04:00", "utc": "1982-08-31T09:28:04Z", "ms": 399634084050.3399 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:23 on Mon 30 Aug to 12:37 on Tue 31 Aug.", "fact": "1982-08-30T06:23:11Z → 1982-08-31T08:37:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:40–13:28 on the 30th, 12:40–13:28 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 163 s < 300 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Erbil, 1982: Monday 30 August.", "fact": "confidence: boundary (margin)" } ], "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": "1982-08-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-30", "confidence": "boundary" } ], "quote": "In Erbil, Vāmana Jayantī 1982 falls on Monday 30 August. Dvādaśī runs from 10:23 on Mon 30 Aug to 12:37 on Tue 31 Aug and covers all of madhyāhna that midday. It is 2 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-08-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18395, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-08-31T12:37:21+04:00", "utc": "1982-08-31T08:37:21Z", "ms": 399631040899.82996 }, "end": { "local": "1982-09-01T14:25:40+04:00", "utc": "1982-09-01T10:25:40Z", "ms": 399723940234.54486 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-08-31T12:37:21+04:00", "utc": "1982-08-31T08:37:21Z", "ms": 399631040899.82996 }, "end": { "local": "1982-09-01T14:25:40+04:00", "utc": "1982-09-01T10:25:40Z", "ms": 399723940234.54486 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-08-31", "window": { "start": { "local": "1982-08-31T19:33:39+04:00", "utc": "1982-08-31T15:33:39Z", "ms": 399656019493.377 }, "end": { "local": "1982-08-31T21:01:52+04:00", "utc": "1982-08-31T17:01:52Z", "ms": 399661312283.0971 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "1982-09-01", "window": { "start": { "local": "1982-09-01T19:32:15+04:00", "utc": "1982-09-01T15:32:15Z", "ms": 399742335046.0399 }, "end": { "local": "1982-09-01T21:00:45+04:00", "utc": "1982-09-01T17:00:45Z", "ms": 399747645326.1249 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:37 on Tue 31 Aug to 14:26 on Wed 1 Sep.", "fact": "1982-08-31T08:37:21Z → 1982-09-01T10:25:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–21:02 on the 31st, 19:32–21:01 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 88 of 88 minutes on the 31st and 0 of 89 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 18395 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Tuesday 31 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": "1982-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-08-31", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Tuesday 31 August. Trayodaśī runs from 12:37 on Tue 31 Aug to 14:26 on Wed 1 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18901, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-09-01T14:25:40+04:00", "utc": "1982-09-01T10:25:40Z", "ms": 399723940234.54486 }, "end": { "local": "1982-09-02T15:43:06+04:00", "utc": "1982-09-02T11:43:06Z", "ms": 399814985794.7627 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1982-09-01T14:25:40+04:00", "utc": "1982-09-01T10:25:40Z", "ms": 399723940234.54486 }, "end": { "local": "1982-09-02T15:43:06+04:00", "utc": "1982-09-02T11:43:06Z", "ms": 399814985794.7627 } }, "kaala": "udaya-3", "days": [ { "local_date": "1982-09-01", "window": { "start": { "local": "1982-09-01T06:35:15+04:00", "utc": "1982-09-01T02:35:15Z", "ms": 399695715416.2779 }, "end": { "local": "1982-09-01T09:10:39+04:00", "utc": "1982-09-01T05:10:39Z", "ms": 399705039342.2303 } }, "covered_min": 0, "window_min": 155, "qualifies": false }, { "local_date": "1982-09-02", "window": { "start": { "local": "1982-09-02T06:36:02+04:00", "utc": "1982-09-02T02:36:02Z", "ms": 399782162146.67694 }, "end": { "local": "1982-09-02T09:11:00+04:00", "utc": "1982-09-02T05:11:00Z", "ms": 399791459731.52844 } }, "covered_min": 155, "window_min": 155, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:26 on Wed 1 Sep to 15:43 on Thu 2 Sep.", "fact": "1982-09-01T10:25:40Z → 1982-09-02T11:43:06Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:35–09:11 on the 1st, 06:36–09:11 on the 2nd.", "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 155 minutes on the 1st and 155 of 155 on the 2nd.", "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 18901 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Erbil, 1982: Thursday 2 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": "1982-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-02", "confidence": "determinate" } ], "quote": "In Erbil, Ananta Caturdaśī 1982 falls on Thursday 2 September. Caturdaśī runs from 14:26 on Wed 1 Sep to 15:43 on Thu 2 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-09-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19984, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-09-06T15:50:05+04:00", "utc": "1982-09-06T11:50:05Z", "ms": 400161004819.87 }, "end": { "local": "1982-09-07T14:51:05+04:00", "utc": "1982-09-07T10:51:05Z", "ms": 400243865101.3323 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-06T15:50:05+04:00", "utc": "1982-09-06T11:50:05Z", "ms": 400161004819.87 }, "end": { "local": "1982-09-07T14:51:05+04:00", "utc": "1982-09-07T10:51:05Z", "ms": 400243865101.3323 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-09-06", "window": { "start": { "local": "1982-09-06T21:23:09+04:00", "utc": "1982-09-06T17:23:09Z", "ms": 400180989101.1552 }, "end": { "local": "1982-09-06T21:23:09+04:00", "utc": "1982-09-06T17:23:09Z", "ms": 400180989101.1552 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-09-07", "window": { "start": { "local": "1982-09-07T21:55:22+04:00", "utc": "1982-09-07T17:55:22Z", "ms": 400269322196.33215 }, "end": { "local": "1982-09-07T21:55:22+04:00", "utc": "1982-09-07T17:55:22Z", "ms": 400269322196.33215 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:50 on Mon 6 Sep to 14:51 on Tue 7 Sep.", "fact": "1982-09-06T11:50:05Z → 1982-09-07T10:51:05Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 6th and 21:55 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19984 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Monday 6 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": "1982-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-06", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Monday 6 September. Caturthī runs from 15:50 on Mon 6 Sep to 14:51 on Tue 7 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32172, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-09-08T13:34:25+04:00", "utc": "1982-09-08T09:34:25Z", "ms": 400325665159.95215 }, "end": { "local": "1982-09-09T12:02:21+04:00", "utc": "1982-09-09T08:02:21Z", "ms": 400406541100.017 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-08T13:34:25+04:00", "utc": "1982-09-08T09:34:25Z", "ms": 400325665159.95215 }, "end": { "local": "1982-09-09T12:02:21+04:00", "utc": "1982-09-09T08:02:21Z", "ms": 400406541100.017 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-09-08", "window": { "start": { "local": "1982-09-08T22:30:37+04:00", "utc": "1982-09-08T18:30:37Z", "ms": 400357837277.8344 }, "end": { "local": "1982-09-08T22:30:37+04:00", "utc": "1982-09-08T18:30:37Z", "ms": 400357837277.8344 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-09-09", "window": { "start": { "local": "1982-09-09T23:10:28+04:00", "utc": "1982-09-09T19:10:28Z", "ms": 400446628384.7215 }, "end": { "local": "1982-09-09T23:10:28+04:00", "utc": "1982-09-09T19:10:28Z", "ms": 400446628384.7215 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:34 on Wed 8 Sep to 12:02 on Thu 9 Sep.", "fact": "1982-09-08T09:34:25Z → 1982-09-09T08:02:21Z" }, { "step": "kaala", "text": "Moonrise is at 22:31 on the 8th and 23:10 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 8th and is not on the 9th.", "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 32172 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Erbil, 1982: Wednesday 8 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": "1982-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-08", "confidence": "determinate" } ], "quote": "In Erbil, Candra Ṣaṣṭhī 1982 falls on Wednesday 8 September. Ṣaṣṭhī runs from 13:34 on Wed 8 Sep to 12:02 on Thu 9 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32569, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-09-10T10:16:26+04:00", "utc": "1982-09-10T06:16:26Z", "ms": 400486586284.9872 }, "end": { "local": "1982-09-11T08:17:50+04:00", "utc": "1982-09-11T04:17:50Z", "ms": 400565869934.635 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-10T10:16:26+04:00", "utc": "1982-09-10T06:16:26Z", "ms": 400486586284.9872 }, "end": { "local": "1982-09-11T08:17:50+04:00", "utc": "1982-09-11T04:17:50Z", "ms": 400565869934.635 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-09-10", "window": { "start": { "local": "1982-09-10T19:19:15+04:00", "utc": "1982-09-10T15:19:15Z", "ms": 400519154981.2252 }, "end": { "local": "1982-09-10T20:50:25+04:00", "utc": "1982-09-10T16:50:25Z", "ms": 400524625105.217 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1982-09-11", "window": { "start": { "local": "1982-09-11T19:17:47+04:00", "utc": "1982-09-11T15:17:47Z", "ms": 400605466640.392 }, "end": { "local": "1982-09-11T20:49:15+04:00", "utc": "1982-09-11T16:49:15Z", "ms": 400610954748.91626 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:16 on Fri 10 Sep to 08:18 on Sat 11 Sep.", "fact": "1982-09-10T06:16:26Z → 1982-09-11T04:17:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:19–20:50 on the 10th, 19:18–20:49 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 91 of 91 minutes on the 10th and 0 of 91 on the 11th.", "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 32569 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Erbil, 1982: Friday 10 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": "1982-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-10", "confidence": "determinate" } ], "quote": "In Erbil, Jitāṣṭamī (Jitiya) 1982 falls on Friday 10 September. Aṣṭamī runs from 10:16 on Fri 10 Sep to 08:18 on Sat 11 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30082, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-09-10T10:16:26+04:00", "utc": "1982-09-10T06:16:26Z", "ms": 400486586284.9872 }, "end": { "local": "1982-09-11T08:17:50+04:00", "utc": "1982-09-11T04:17:50Z", "ms": 400565869934.635 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-10T10:16:26+04:00", "utc": "1982-09-10T06:16:26Z", "ms": 400486586284.9872 }, "end": { "local": "1982-09-11T08:17:50+04:00", "utc": "1982-09-11T04:17:50Z", "ms": 400565869934.635 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-09-09", "window": { "start": { "local": "1982-09-09T23:10:28+04:00", "utc": "1982-09-09T19:10:28Z", "ms": 400446628384.7215 }, "end": { "local": "1982-09-09T23:10:28+04:00", "utc": "1982-09-09T19:10:28Z", "ms": 400446628384.7215 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-09-10", "window": { "start": { "local": "1982-09-10T23:56:28+04:00", "utc": "1982-09-10T19:56:28Z", "ms": 400535787885.8349 }, "end": { "local": "1982-09-10T23:56:28+04:00", "utc": "1982-09-10T19:56:28Z", "ms": 400535787885.8349 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:16 on Fri 10 Sep to 08:18 on Sat 11 Sep.", "fact": "1982-09-10T06:16:26Z → 1982-09-11T04:17:50Z" }, { "step": "kaala", "text": "Moonrise is at 23:10 on the 9th and 23:56 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30082 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Erbil, 1982: Friday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-10", "confidence": "determinate" } ], "quote": "In Erbil, Mahālakṣmī Vrata Samāpana 1982 falls on Friday 10 September. Aṣṭamī runs from 10:16 on Fri 10 Sep to 08:18 on Sat 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-09-13", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10594, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-09-13T03:48:00+04:00", "utc": "1982-09-12T23:48:00Z", "ms": 400722480208.19037 }, "end": { "local": "1982-09-14T01:21:24+04:00", "utc": "1982-09-13T21:21:24Z", "ms": 400800084245.2147 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-13T03:48:00+04:00", "utc": "1982-09-12T23:48:00Z", "ms": 400722480208.19037 }, "end": { "local": "1982-09-14T01:21:24+04:00", "utc": "1982-09-13T21:21:24Z", "ms": 400800084245.2147 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-09-13", "window": { "start": { "local": "1982-09-13T06:44:34+04:00", "utc": "1982-09-13T02:44:34Z", "ms": 400733074038.27167 }, "end": { "local": "1982-09-13T06:44:34+04:00", "utc": "1982-09-13T02:44:34Z", "ms": 400733074038.27167 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-09-14", "window": { "start": { "local": "1982-09-14T06:45:21+04:00", "utc": "1982-09-14T02:45:21Z", "ms": 400819520670.29755 }, "end": { "local": "1982-09-14T06:45:21+04:00", "utc": "1982-09-14T02:45:21Z", "ms": 400819520670.29755 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:48 on Mon 13 Sep to 01:21 on Tue 14 Sep.", "fact": "1982-09-12T23:48:00Z → 1982-09-13T21:21:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 13th and 06:45 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 10594 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Erbil, 1982: Monday 13 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": "1982-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-13", "confidence": "determinate" } ], "quote": "In Erbil, Indirā Ekādaśī 1982 falls on Monday 13 September. Ekādaśī runs from 03:48 on Mon 13 Sep to 01:21 on Tue 14 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-09-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1137, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-09-14T22:52:05+04:00", "utc": "1982-09-14T18:52:05Z", "ms": 400877525237.4524 }, "end": { "local": "1982-09-15T20:25:35+04:00", "utc": "1982-09-15T16:25:35Z", "ms": 400955134550.3417 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-14T22:52:05+04:00", "utc": "1982-09-14T18:52:05Z", "ms": 400877525237.4524 }, "end": { "local": "1982-09-15T20:25:35+04:00", "utc": "1982-09-15T16:25:35Z", "ms": 400955134550.3417 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-09-14", "window": { "start": { "local": "1982-09-14T19:13:20+04:00", "utc": "1982-09-14T15:13:20Z", "ms": 400864400374.35785 }, "end": { "local": "1982-09-14T20:45:43+04:00", "utc": "1982-09-14T16:45:43Z", "ms": 400869942638.69055 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1982-09-15", "window": { "start": { "local": "1982-09-15T19:11:51+04:00", "utc": "1982-09-15T15:11:51Z", "ms": 400950711294.2729 }, "end": { "local": "1982-09-15T20:44:32+04:00", "utc": "1982-09-15T16:44:32Z", "ms": 400956271668.81506 } }, "covered_min": 74, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:52 on Tue 14 Sep to 20:26 on Wed 15 Sep.", "fact": "1982-09-14T18:52:05Z → 1982-09-15T16:25:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:46 on the 14th, 19:12–20:45 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 92 minutes on the 14th and 74 of 93 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 1137 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Wednesday 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": "1982-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-15", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Wednesday 15 September. Trayodaśī runs from 22:52 on Tue 14 Sep to 20:26 on Wed 15 Sep and covers 74 of 93 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-09-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14988, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-09-15T20:25:35+04:00", "utc": "1982-09-15T16:25:35Z", "ms": 400955134550.3417 }, "end": { "local": "1982-09-16T18:08:40+04:00", "utc": "1982-09-16T14:08:40Z", "ms": 401033319654.99 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-15T20:25:35+04:00", "utc": "1982-09-15T16:25:35Z", "ms": 400955134550.3417 }, "end": { "local": "1982-09-16T18:08:40+04:00", "utc": "1982-09-16T14:08:40Z", "ms": 401033319654.99 } }, "kaala": "nishita", "days": [ { "local_date": "1982-09-15", "window": { "start": { "local": "1982-09-16T00:35:23+04:00", "utc": "1982-09-15T20:35:23Z", "ms": 400970122698.806 }, "end": { "local": "1982-09-16T01:23:23+04:00", "utc": "1982-09-15T21:23:23Z", "ms": 400973002698.806 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-09-16", "window": { "start": { "local": "1982-09-17T00:35:02+04:00", "utc": "1982-09-16T20:35:02Z", "ms": 401056501505.16187 }, "end": { "local": "1982-09-17T01:23:02+04:00", "utc": "1982-09-16T21:23:02Z", "ms": 401059381505.16187 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:26 on Wed 15 Sep to 18:09 on Thu 16 Sep.", "fact": "1982-09-15T16:25:35Z → 1982-09-16T14:08:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:35–01:23 on the 15th, 00:35–01:23 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14988 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Wednesday 15 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": "1982-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-15", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Wednesday 15 September. Caturdaśī runs from 20:26 on Wed 15 Sep to 18:09 on Thu 16 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1893, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1982-09-16T18:08:40+04:00", "utc": "1982-09-16T14:08:40Z", "ms": 401033319654.99 }, "end": { "local": "1982-09-17T16:09:05+04:00", "utc": "1982-09-17T12:09:05Z", "ms": 401112544926.81104 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-16T18:08:40+04:00", "utc": "1982-09-16T14:08:40Z", "ms": 401033319654.99 }, "end": { "local": "1982-09-17T16:09:05+04:00", "utc": "1982-09-17T12:09:05Z", "ms": 401112544926.81104 } }, "kaala": "aparahna", "days": [ { "local_date": "1982-09-16", "window": { "start": { "local": "1982-09-16T14:12:59+04:00", "utc": "1982-09-16T10:12:59Z", "ms": 401019178897.65314 }, "end": { "local": "1982-09-16T16:41:40+04:00", "utc": "1982-09-16T12:41:40Z", "ms": 401028100495.7578 } }, "covered_min": 0, "window_min": 149, "qualifies": false }, { "local_date": "1982-09-17", "window": { "start": { "local": "1982-09-17T14:12:24+04:00", "utc": "1982-09-17T10:12:24Z", "ms": 401105544045.8054 }, "end": { "local": "1982-09-17T16:40:38+04:00", "utc": "1982-09-17T12:40:38Z", "ms": 401114438422.2535 } }, "covered_min": 117, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:09 on Thu 16 Sep to 16:09 on Fri 17 Sep.", "fact": "1982-09-16T14:08:40Z → 1982-09-17T12:09:05Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 14:13–16:42 on the 16th, 14:12–16:41 on the 17th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 149 minutes on the 16th and 117 of 148 on the 17th.", "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 1893 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Erbil, 1982: Friday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-17", "confidence": "determinate" } ], "quote": "In Erbil, Mahālaya Amāvāsyā (Mahalaya) 1982 falls on Friday 17 September. Amāvasyā runs from 18:09 on Thu 16 Sep to 16:09 on Fri 17 Sep and covers 117 of 148 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-09-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 459, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-09-20T13:13:35+04:00", "utc": "1982-09-20T09:13:35Z", "ms": 401361214587.5293 }, "end": { "local": "1982-09-21T13:36:55+04:00", "utc": "1982-09-21T09:36:55Z", "ms": 401449015399.51434 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-20T13:13:35+04:00", "utc": "1982-09-20T09:13:35Z", "ms": 401361214587.5293 }, "end": { "local": "1982-09-21T13:36:55+04:00", "utc": "1982-09-21T09:36:55Z", "ms": 401449015399.51434 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-09-20", "window": { "start": { "local": "1982-09-20T12:33:13+04:00", "utc": "1982-09-20T08:33:13Z", "ms": 401358793206.13477 }, "end": { "local": "1982-09-20T13:21:13+04:00", "utc": "1982-09-20T09:21:13Z", "ms": 401361673206.13477 } }, "covered_min": 8, "window_min": 48, "qualifies": true }, { "local_date": "1982-09-21", "window": { "start": { "local": "1982-09-21T12:32:52+04:00", "utc": "1982-09-21T08:32:52Z", "ms": 401445172068.22 }, "end": { "local": "1982-09-21T13:20:52+04:00", "utc": "1982-09-21T09:20:52Z", "ms": 401448052068.22 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:14 on Mon 20 Sep to 13:37 on Tue 21 Sep.", "fact": "1982-09-20T09:13:35Z → 1982-09-21T09:36:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 20th, 12:33–13:21 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 8 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 459 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Tuesday 21 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-09-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-21", "confidence": "boundary" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Tuesday 21 September. Caturthī runs from 13:14 on Mon 20 Sep to 13:37 on Tue 21 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 8 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/erbil/festivals/1982/vinayaka-chaturthi?on=1982-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-09-28", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10061, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-09-28T02:19:08+04:00", "utc": "1982-09-27T22:19:08Z", "ms": 402013148479.4226 }, "end": { "local": "1982-09-29T04:09:30+04:00", "utc": "1982-09-29T00:09:30Z", "ms": 402106170017.6343 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-28T02:19:08+04:00", "utc": "1982-09-27T22:19:08Z", "ms": 402013148479.4226 }, "end": { "local": "1982-09-29T04:09:30+04:00", "utc": "1982-09-29T00:09:30Z", "ms": 402106170017.6343 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-09-28", "window": { "start": { "local": "1982-09-28T06:56:22+04:00", "utc": "1982-09-28T02:56:22Z", "ms": 402029782345.0731 }, "end": { "local": "1982-09-28T06:56:22+04:00", "utc": "1982-09-28T02:56:22Z", "ms": 402029782345.0731 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-09-29", "window": { "start": { "local": "1982-09-29T06:57:11+04:00", "utc": "1982-09-29T02:57:11Z", "ms": 402116230591.9992 }, "end": { "local": "1982-09-29T06:57:11+04:00", "utc": "1982-09-29T02:57:11Z", "ms": 402116230591.9992 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:19 on Tue 28 Sep to 04:10 on Wed 29 Sep.", "fact": "1982-09-27T22:19:08Z → 1982-09-29T00:09:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 28th and 06:57 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10061 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Erbil, 1982: Tuesday 28 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": "1982-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-28", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Ekādaśī 1982 falls on Tuesday 28 September. Ekādaśī runs from 02:19 on Tue 28 Sep to 04:10 on Wed 29 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-09-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32096, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-09-30T05:22:55+04:00", "utc": "1982-09-30T01:22:55Z", "ms": 402196974550.81256 }, "end": { "local": "1982-10-01T04:56:02+03:00", "utc": "1982-10-01T01:56:02Z", "ms": 402285361876.09174 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-09-30T05:22:55+04:00", "utc": "1982-09-30T01:22:55Z", "ms": 402196974550.81256 }, "end": { "local": "1982-10-01T04:56:02+03:00", "utc": "1982-10-01T01:56:02Z", "ms": 402285361876.09174 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-09-29", "window": { "start": { "local": "1982-09-29T18:51:04+04:00", "utc": "1982-09-29T14:51:04Z", "ms": 402159063613.2193 }, "end": { "local": "1982-09-29T20:27:59+04:00", "utc": "1982-09-29T16:27:59Z", "ms": 402164879002.3559 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1982-09-30", "window": { "start": { "local": "1982-09-30T18:49:36+04:00", "utc": "1982-09-30T14:49:36Z", "ms": 402245375586.54285 }, "end": { "local": "1982-09-30T20:26:49+04:00", "utc": "1982-09-30T16:26:49Z", "ms": 402251209198.8036 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:23 on Thu 30 Sep to 04:56 on Fri 1 Oct.", "fact": "1982-09-30T01:22:55Z → 1982-10-01T01:56:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:28 on the 29th, 18:50–20:27 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 29th and 97 of 97 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 32096 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Thursday 30 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": "1982-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-09-30", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Thursday 30 September. Trayodaśī runs from 05:23 on Thu 30 Sep to 04:56 on Fri 1 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-10-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5381, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-10-05T23:36:57+03:00", "utc": "1982-10-05T20:36:57Z", "ms": 402698216890.976 }, "end": { "local": "1982-10-06T21:38:53+03:00", "utc": "1982-10-06T18:38:53Z", "ms": 402777532801.11505 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-05T23:36:57+03:00", "utc": "1982-10-05T20:36:57Z", "ms": 402698216890.976 }, "end": { "local": "1982-10-06T21:38:53+03:00", "utc": "1982-10-06T18:38:53Z", "ms": 402777532801.11505 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-10-05", "window": { "start": { "local": "1982-10-05T19:30:22+03:00", "utc": "1982-10-05T16:30:22Z", "ms": 402683422496.0477 }, "end": { "local": "1982-10-05T19:30:22+03:00", "utc": "1982-10-05T16:30:22Z", "ms": 402683422496.0477 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-10-06", "window": { "start": { "local": "1982-10-06T20:09:12+03:00", "utc": "1982-10-06T17:09:12Z", "ms": 402772151989.9221 }, "end": { "local": "1982-10-06T20:09:12+03:00", "utc": "1982-10-06T17:09:12Z", "ms": 402772151989.9221 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:37 on Tue 5 Oct to 21:39 on Wed 6 Oct.", "fact": "1982-10-05T20:36:57Z → 1982-10-06T18:38:53Z" }, { "step": "kaala", "text": "Moonrise is at 19:30 on the 5th and 20:09 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5381 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Wednesday 6 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": "1982-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-06", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Wednesday 6 October. Caturthī runs from 23:37 on Tue 5 Oct to 21:39 on Wed 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-10-13", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5835, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-10-12T09:33:27+03:00", "utc": "1982-10-12T06:33:27Z", "ms": 403252406505.1554 }, "end": { "local": "1982-10-13T07:46:08+03:00", "utc": "1982-10-13T04:46:08Z", "ms": 403332367709.4661 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-12T09:33:27+03:00", "utc": "1982-10-12T06:33:27Z", "ms": 403252406505.1554 }, "end": { "local": "1982-10-13T07:46:08+03:00", "utc": "1982-10-13T04:46:08Z", "ms": 403332367709.4661 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-10-12", "window": { "start": { "local": "1982-10-12T06:08:01+03:00", "utc": "1982-10-12T03:08:01Z", "ms": 403240080748.46124 }, "end": { "local": "1982-10-12T06:08:01+03:00", "utc": "1982-10-12T03:08:01Z", "ms": 403240080748.46124 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-10-13", "window": { "start": { "local": "1982-10-13T06:08:53+03:00", "utc": "1982-10-13T03:08:53Z", "ms": 403326532980.68036 }, "end": { "local": "1982-10-13T06:08:53+03:00", "utc": "1982-10-13T03:08:53Z", "ms": 403326532980.68036 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:33 on Tue 12 Oct to 07:46 on Wed 13 Oct.", "fact": "1982-10-12T06:33:27Z → 1982-10-13T04:46:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 12th and 06:09 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5835 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Erbil, 1982: Wednesday 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": "1982-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-13", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Ekādaśī 1982 falls on Wednesday 13 October. Ekādaśī runs from 09:33 on Tue 12 Oct to 07:46 on Wed 13 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-10-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34452, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-10-14T06:08:40+03:00", "utc": "1982-10-14T03:08:40Z", "ms": 403412919973.2632 }, "end": { "local": "1982-10-15T04:45:28+03:00", "utc": "1982-10-15T01:45:28Z", "ms": 403494328216.7453 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-14T06:08:40+03:00", "utc": "1982-10-14T03:08:40Z", "ms": 403412919973.2632 }, "end": { "local": "1982-10-15T04:45:28+03:00", "utc": "1982-10-15T01:45:28Z", "ms": 403494328216.7453 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-10-13", "window": { "start": { "local": "1982-10-13T17:31:11+03:00", "utc": "1982-10-13T14:31:11Z", "ms": 403367470876.5314 }, "end": { "local": "1982-10-13T19:12:20+03:00", "utc": "1982-10-13T16:12:20Z", "ms": 403373539502.13153 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1982-10-14", "window": { "start": { "local": "1982-10-14T17:29:50+03:00", "utc": "1982-10-14T14:29:50Z", "ms": 403453790051.4472 }, "end": { "local": "1982-10-14T19:11:17+03:00", "utc": "1982-10-14T16:11:17Z", "ms": 403459876513.03326 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:09 on Thu 14 Oct to 04:45 on Fri 15 Oct.", "fact": "1982-10-14T03:08:40Z → 1982-10-15T01:45:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:12 on the 13th, 17:30–19:11 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 13th and 101 of 101 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 34452 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Thursday 14 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": "1982-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-14", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Thursday 14 October. Trayodaśī runs from 06:09 on Thu 14 Oct to 04:45 on Fri 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-10-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12477, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-10-15T04:45:28+03:00", "utc": "1982-10-15T01:45:28Z", "ms": 403494328216.7453 }, "end": { "local": "1982-10-16T03:41:58+03:00", "utc": "1982-10-16T00:41:58Z", "ms": 403576917748.6548 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": true, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-15T04:45:28+03:00", "utc": "1982-10-15T01:45:28Z", "ms": 403494328216.7453 }, "end": { "local": "1982-10-16T03:41:58+03:00", "utc": "1982-10-16T00:41:58Z", "ms": 403576917748.6548 } }, "kaala": "nishita", "days": [ { "local_date": "1982-10-14", "window": { "start": { "local": "1982-10-14T23:26:14+03:00", "utc": "1982-10-14T20:26:14Z", "ms": 403475174282.39496 }, "end": { "local": "1982-10-15T00:14:14+03:00", "utc": "1982-10-14T21:14:14Z", "ms": 403478054282.39496 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-10-15", "window": { "start": { "local": "1982-10-15T23:26:01+03:00", "utc": "1982-10-15T20:26:01Z", "ms": 403561560892.47156 }, "end": { "local": "1982-10-16T00:14:01+03:00", "utc": "1982-10-15T21:14:01Z", "ms": 403564440892.47156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:45 on Fri 15 Oct to 03:42 on Sat 16 Oct.", "fact": "1982-10-15T01:45:28Z → 1982-10-16T00:41:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:26–00:14 on the 14th, 23:26–00:14 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12477 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Friday 15 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": "1982-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-15", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Friday 15 October. Caturdaśī runs from 04:45 on Fri 15 Oct to 03:42 on Sat 16 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30063, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-10-17T03:04:06+03:00", "utc": "1982-10-17T00:04:06Z", "ms": 403661046269.01794 }, "end": { "local": "1982-10-18T02:57:40+03:00", "utc": "1982-10-17T23:57:40Z", "ms": 403747059676.72614 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-17T03:04:06+03:00", "utc": "1982-10-17T00:04:06Z", "ms": 403661046269.01794 }, "end": { "local": "1982-10-18T02:57:40+03:00", "utc": "1982-10-17T23:57:40Z", "ms": 403747059676.72614 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-10-17", "window": { "start": { "local": "1982-10-17T11:25:09+03:00", "utc": "1982-10-17T08:25:09Z", "ms": 403691108811.62494 }, "end": { "local": "1982-10-17T12:13:09+03:00", "utc": "1982-10-17T09:13:09Z", "ms": 403693988811.62494 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-10-18", "window": { "start": { "local": "1982-10-18T11:24:57+03:00", "utc": "1982-10-18T08:24:57Z", "ms": 403777496977.6842 }, "end": { "local": "1982-10-18T12:12:57+03:00", "utc": "1982-10-18T09:12:57Z", "ms": 403780376977.6842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:04 on Sun 17 Oct to 02:58 on Mon 18 Oct.", "fact": "1982-10-17T00:04:06Z → 1982-10-17T23:57:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 17th, 11:25–12:13 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30063 s" }, { "step": "ruling", "text": "Navarātrārambha, Erbil, 1982: Sunday 17 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": "1982-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-17", "confidence": "determinate" } ], "quote": "In Erbil, Navarātrārambha (Navratri) 1982 falls on Sunday 17 October. Pratipadā runs from 03:04 on Sun 17 Oct to 02:58 on Mon 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-10-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18299, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-10-20T04:34:56+03:00", "utc": "1982-10-20T01:34:56Z", "ms": 403925696319.8575 }, "end": { "local": "1982-10-21T06:19:26+03:00", "utc": "1982-10-21T03:19:26Z", "ms": 404018365744.6476 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-20T04:34:56+03:00", "utc": "1982-10-20T01:34:56Z", "ms": 403925696319.8575 }, "end": { "local": "1982-10-21T06:19:26+03:00", "utc": "1982-10-21T03:19:26Z", "ms": 404018365744.6476 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-10-20", "window": { "start": { "local": "1982-10-20T11:24:35+03:00", "utc": "1982-10-20T08:24:35Z", "ms": 403950275139.59656 }, "end": { "local": "1982-10-20T12:12:35+03:00", "utc": "1982-10-20T09:12:35Z", "ms": 403953155139.59656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-10-21", "window": { "start": { "local": "1982-10-21T11:24:25+03:00", "utc": "1982-10-21T08:24:25Z", "ms": 404036665162.68555 }, "end": { "local": "1982-10-21T12:12:25+03:00", "utc": "1982-10-21T09:12:25Z", "ms": 404039545162.68555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:35 on Wed 20 Oct to 06:19 on Thu 21 Oct.", "fact": "1982-10-20T01:34:56Z → 1982-10-21T03:19:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 20th, 11:24–12:12 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18299 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Wednesday 20 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": "1982-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-20", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Wednesday 20 October. Caturthī runs from 04:35 on Wed 20 Oct to 06:19 on Thu 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14880, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-10-23T11:09:57+03:00", "utc": "1982-10-23T08:09:57Z", "ms": 404208596808.4667 }, "end": { "local": "1982-10-24T13:50:34+03:00", "utc": "1982-10-24T10:50:34Z", "ms": 404304634485.45496 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-23T11:09:57+03:00", "utc": "1982-10-23T08:09:57Z", "ms": 404208596808.4667 }, "end": { "local": "1982-10-24T13:50:34+03:00", "utc": "1982-10-24T10:50:34Z", "ms": 404304634485.45496 } }, "kaala": "udaya-1", "days": [ { "local_date": "1982-10-23", "window": { "start": { "local": "1982-10-23T06:17:55+03:00", "utc": "1982-10-23T03:17:55Z", "ms": 404191074779.08453 }, "end": { "local": "1982-10-23T07:01:56+03:00", "utc": "1982-10-23T04:01:56Z", "ms": 404193716430.12067 } }, "covered_min": 0, "window_min": 44, "qualifies": false }, { "local_date": "1982-10-24", "window": { "start": { "local": "1982-10-24T06:18:51+03:00", "utc": "1982-10-24T03:18:51Z", "ms": 404277530858.7978 }, "end": { "local": "1982-10-24T07:02:44+03:00", "utc": "1982-10-24T04:02:44Z", "ms": 404280163966.36804 } }, "covered_min": 44, "window_min": 44, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:10 on Sat 23 Oct to 13:51 on Sun 24 Oct.", "fact": "1982-10-23T08:09:57Z → 1982-10-24T10:50:34Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:18–07:02 on the 23rd, 06:19–07:03 on the 24th.", "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 44 minutes on the 23rd and 44 of 44 on the 24th.", "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 14880 s" }, { "step": "ruling", "text": "Durgā Saptamī, Erbil, 1982: Sunday 24 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": "1982-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-24", "confidence": "determinate" } ], "quote": "In Erbil, Durgā Saptamī 1982 falls on Sunday 24 October. Saptamī runs from 11:10 on Sat 23 Oct to 13:51 on Sun 24 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5915, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-10-24T13:50:34+03:00", "utc": "1982-10-24T10:50:34Z", "ms": 404304634485.45496 }, "end": { "local": "1982-10-25T16:20:11+03:00", "utc": "1982-10-25T13:20:11Z", "ms": 404400011451.6622 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-24T13:50:34+03:00", "utc": "1982-10-24T10:50:34Z", "ms": 404304634485.45496 }, "end": { "local": "1982-10-25T16:20:11+03:00", "utc": "1982-10-25T13:20:11Z", "ms": 404400011451.6622 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-10-24", "window": { "start": { "local": "1982-10-24T11:23:59+03:00", "utc": "1982-10-24T08:23:59Z", "ms": 404295839165.5747 }, "end": { "local": "1982-10-24T12:11:59+03:00", "utc": "1982-10-24T09:11:59Z", "ms": 404298719165.5747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-10-25", "window": { "start": { "local": "1982-10-25T11:23:52+03:00", "utc": "1982-10-25T08:23:52Z", "ms": 404382231857.1356 }, "end": { "local": "1982-10-25T12:11:52+03:00", "utc": "1982-10-25T09:11:52Z", "ms": 404385111857.1356 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:51 on Sun 24 Oct to 16:20 on Mon 25 Oct.", "fact": "1982-10-24T10:50:34Z → 1982-10-25T13:20:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 24th, 11:24–12:12 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5915 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Erbil, 1982: Monday 25 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": "1982-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-25", "confidence": "determinate" } ], "quote": "In Erbil, Mahāṣṭamī (Durga Ashtami) 1982 falls on Monday 25 October. Aṣṭamī runs from 13:51 on Sun 24 Oct to 16:20 on Mon 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14900, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1982-10-25T16:20:11+03:00", "utc": "1982-10-25T13:20:11Z", "ms": 404400011451.6622 }, "end": { "local": "1982-10-26T18:23:24+03:00", "utc": "1982-10-26T15:23:24Z", "ms": 404493804267.82837 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-25T16:20:11+03:00", "utc": "1982-10-25T13:20:11Z", "ms": 404400011451.6622 }, "end": { "local": "1982-10-26T18:23:24+03:00", "utc": "1982-10-26T15:23:24Z", "ms": 404493804267.82837 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-10-25", "window": { "start": { "local": "1982-10-25T11:23:52+03:00", "utc": "1982-10-25T08:23:52Z", "ms": 404382231857.1356 }, "end": { "local": "1982-10-25T12:11:52+03:00", "utc": "1982-10-25T09:11:52Z", "ms": 404385111857.1356 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-10-26", "window": { "start": { "local": "1982-10-26T11:23:45+03:00", "utc": "1982-10-26T08:23:45Z", "ms": 404468625250.3141 }, "end": { "local": "1982-10-26T12:11:45+03:00", "utc": "1982-10-26T09:11:45Z", "ms": 404471505250.3141 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:20 on Mon 25 Oct to 18:23 on Tue 26 Oct.", "fact": "1982-10-25T13:20:11Z → 1982-10-26T15:23:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 25th, 11:24–12:12 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14900 s" }, { "step": "ruling", "text": "Mahānavamī, Erbil, 1982: Tuesday 26 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": "1982-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-26", "confidence": "determinate" } ], "quote": "In Erbil, Mahānavamī 1982 falls on Tuesday 26 October. Navamī runs from 16:20 on Mon 25 Oct to 18:23 on Tue 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22299, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1982-10-26T18:23:24+03:00", "utc": "1982-10-26T15:23:24Z", "ms": 404493804267.82837 }, "end": { "local": "1982-10-27T19:48:18+03:00", "utc": "1982-10-27T16:48:18Z", "ms": 404585298328.95386 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-26T18:23:24+03:00", "utc": "1982-10-26T15:23:24Z", "ms": 404493804267.82837 }, "end": { "local": "1982-10-27T19:48:18+03:00", "utc": "1982-10-27T16:48:18Z", "ms": 404585298328.95386 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-10-26", "window": { "start": { "local": "1982-10-26T11:23:45+03:00", "utc": "1982-10-26T08:23:45Z", "ms": 404468625250.3141 }, "end": { "local": "1982-10-26T12:11:45+03:00", "utc": "1982-10-26T09:11:45Z", "ms": 404471505250.3141 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-10-27", "window": { "start": { "local": "1982-10-27T11:23:39+03:00", "utc": "1982-10-27T08:23:39Z", "ms": 404555019358.8657 }, "end": { "local": "1982-10-27T12:11:39+03:00", "utc": "1982-10-27T09:11:39Z", "ms": 404557899358.8657 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 18:23 on Tue 26 Oct to 19:48 on Wed 27 Oct.", "fact": "1982-10-26T15:23:24Z → 1982-10-27T16:48:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 26th, 11:24–12:12 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22299 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Erbil, 1982: Wednesday 27 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": "1982-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-27", "confidence": "determinate" } ], "quote": "In Erbil, Vijayā Daśamī (Dussehra) 1982 falls on Wednesday 27 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 18:23 on Tue 26 Oct to 19:48 on Wed 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-10-28", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35740, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-10-27T19:48:18+03:00", "utc": "1982-10-27T16:48:18Z", "ms": 404585298328.95386 }, "end": { "local": "1982-10-28T20:27:56+03:00", "utc": "1982-10-28T17:27:56Z", "ms": 404674075864.0946 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-27T19:48:18+03:00", "utc": "1982-10-27T16:48:18Z", "ms": 404585298328.95386 }, "end": { "local": "1982-10-28T20:27:56+03:00", "utc": "1982-10-28T17:27:56Z", "ms": 404674075864.0946 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-10-28", "window": { "start": { "local": "1982-10-28T06:22:38+03:00", "utc": "1982-10-28T03:22:38Z", "ms": 404623358429.6057 }, "end": { "local": "1982-10-28T06:22:38+03:00", "utc": "1982-10-28T03:22:38Z", "ms": 404623358429.6057 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-10-29", "window": { "start": { "local": "1982-10-29T06:23:36+03:00", "utc": "1982-10-29T03:23:36Z", "ms": 404709816107.1449 }, "end": { "local": "1982-10-29T06:23:36+03:00", "utc": "1982-10-29T03:23:36Z", "ms": 404709816107.1449 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:48 on Wed 27 Oct to 20:28 on Thu 28 Oct.", "fact": "1982-10-27T16:48:18Z → 1982-10-28T17:27:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 28th and 06:24 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35740 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Erbil, 1982: Thursday 28 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": "1982-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-28", "confidence": "determinate" } ], "quote": "In Erbil, Pāśāṅkuśā Ekādaśī 1982 falls on Thursday 28 October. Ekādaśī runs from 19:48 on Wed 27 Oct to 20:28 on Thu 28 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-10-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1934, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-10-29T20:20:29+03:00", "utc": "1982-10-29T17:20:29Z", "ms": 404760028884.08026 }, "end": { "local": "1982-10-30T19:28:34+03:00", "utc": "1982-10-30T16:28:34Z", "ms": 404843314484.0697 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1982-10-29T20:20:29+03:00", "utc": "1982-10-29T17:20:29Z", "ms": 404760028884.08026 }, "end": { "local": "1982-10-30T19:28:34+03:00", "utc": "1982-10-30T16:28:34Z", "ms": 404843314484.0697 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-10-29", "window": { "start": { "local": "1982-10-29T17:11:23+03:00", "utc": "1982-10-29T14:11:23Z", "ms": 404748683447.39386 }, "end": { "local": "1982-10-29T18:57:09+03:00", "utc": "1982-10-29T15:57:09Z", "ms": 404755028865.9499 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1982-10-30", "window": { "start": { "local": "1982-10-30T17:10:18+03:00", "utc": "1982-10-30T14:10:18Z", "ms": 404835018143.3661 }, "end": { "local": "1982-10-30T18:56:20+03:00", "utc": "1982-10-30T15:56:20Z", "ms": 404841380039.151 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:20 on Fri 29 Oct to 19:29 on Sat 30 Oct.", "fact": "1982-10-29T17:20:29Z → 1982-10-30T16:28:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 29th, 17:10–18:56 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1934 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Saturday 30 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": "1982-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-10-30", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Saturday 30 October. Trayodaśī runs from 20:20 on Fri 29 Oct to 19:29 on Sat 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35707, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-11-04T08:13:39+03:00", "utc": "1982-11-04T05:13:39Z", "ms": 405234818503.8666 }, "end": { "local": "1982-11-05T05:33:02+03:00", "utc": "1982-11-05T02:33:02Z", "ms": 405311582481.4045 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-04T08:13:39+03:00", "utc": "1982-11-04T05:13:39Z", "ms": 405234818503.8666 }, "end": { "local": "1982-11-05T05:33:02+03:00", "utc": "1982-11-05T02:33:02Z", "ms": 405311582481.4045 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-11-03", "window": { "start": { "local": "1982-11-03T18:47:51+03:00", "utc": "1982-11-03T15:47:51Z", "ms": 405186470966.55316 }, "end": { "local": "1982-11-03T18:47:51+03:00", "utc": "1982-11-03T15:47:51Z", "ms": 405186470966.55316 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-11-04", "window": { "start": { "local": "1982-11-04T19:37:55+03:00", "utc": "1982-11-04T16:37:55Z", "ms": 405275875427.5352 }, "end": { "local": "1982-11-04T19:37:55+03:00", "utc": "1982-11-04T16:37:55Z", "ms": 405275875427.5352 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:14 on Thu 4 Nov to 05:33 on Fri 5 Nov.", "fact": "1982-11-04T05:13:39Z → 1982-11-05T02:33:02Z" }, { "step": "kaala", "text": "Moonrise is at 18:48 on the 3rd and 19:38 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "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 35707 s" }, { "step": "ruling", "text": "Karaka Caturthī, Erbil, 1982: Thursday 4 November.", "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": "1982-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-04", "confidence": "determinate" } ], "quote": "In Erbil, Karaka Caturthī (Karwa Chauth) 1982 falls on Thursday 4 November. Caturthī runs from 08:14 on Thu 4 Nov to 05:33 on Fri 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-11-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35707, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-11-04T08:13:39+03:00", "utc": "1982-11-04T05:13:39Z", "ms": 405234818503.8666 }, "end": { "local": "1982-11-05T05:33:02+03:00", "utc": "1982-11-05T02:33:02Z", "ms": 405311582481.4045 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-04T08:13:39+03:00", "utc": "1982-11-04T05:13:39Z", "ms": 405234818503.8666 }, "end": { "local": "1982-11-05T05:33:02+03:00", "utc": "1982-11-05T02:33:02Z", "ms": 405311582481.4045 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-11-03", "window": { "start": { "local": "1982-11-03T18:47:51+03:00", "utc": "1982-11-03T15:47:51Z", "ms": 405186470966.55316 }, "end": { "local": "1982-11-03T18:47:51+03:00", "utc": "1982-11-03T15:47:51Z", "ms": 405186470966.55316 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-11-04", "window": { "start": { "local": "1982-11-04T19:37:55+03:00", "utc": "1982-11-04T16:37:55Z", "ms": 405275875427.5352 }, "end": { "local": "1982-11-04T19:37:55+03:00", "utc": "1982-11-04T16:37:55Z", "ms": 405275875427.5352 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:14 on Thu 4 Nov to 05:33 on Fri 5 Nov.", "fact": "1982-11-04T05:13:39Z → 1982-11-05T02:33:02Z" }, { "step": "kaala", "text": "Moonrise is at 18:48 on the 3rd and 19:38 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35707 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Thursday 4 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": "1982-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-04", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Thursday 4 November. Caturthī runs from 08:14 on Thu 4 Nov to 05:33 on Fri 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 674, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-11-07T22:33:59+03:00", "utc": "1982-11-07T19:33:59Z", "ms": 405545638984.17053 }, "end": { "local": "1982-11-08T20:46:01+03:00", "utc": "1982-11-08T17:46:01Z", "ms": 405625560537.1927 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-07T22:33:59+03:00", "utc": "1982-11-07T19:33:59Z", "ms": 405545638984.17053 }, "end": { "local": "1982-11-08T20:46:01+03:00", "utc": "1982-11-08T17:46:01Z", "ms": 405625560537.1927 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-11-07", "window": { "start": { "local": "1982-11-07T22:45:13+03:00", "utc": "1982-11-07T19:45:13Z", "ms": 405546313202.81586 }, "end": { "local": "1982-11-07T22:45:13+03:00", "utc": "1982-11-07T19:45:13Z", "ms": 405546313202.81586 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-11-08", "window": { "start": { "local": "1982-11-08T23:52:54+03:00", "utc": "1982-11-08T20:52:54Z", "ms": 405636774474.8995 }, "end": { "local": "1982-11-08T23:52:54+03:00", "utc": "1982-11-08T20:52:54Z", "ms": 405636774474.8995 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:34 on Sun 7 Nov to 20:46 on Mon 8 Nov.", "fact": "1982-11-07T19:33:59Z → 1982-11-08T17:46:01Z" }, { "step": "kaala", "text": "Moonrise is at 22:45 on the 7th and 23:53 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 674 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Erbil, 1982: Sunday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-07", "confidence": "determinate" } ], "quote": "In Erbil, Ahoyī Aṣṭamī (Ahoi Ashtami) 1982 falls on Sunday 7 November. Aṣṭamī runs from 22:34 on Sun 7 Nov to 20:46 on Mon 8 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-11-11", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38531, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-11-10T18:07:17+03:00", "utc": "1982-11-10T15:07:17Z", "ms": 405788837038.4694 }, "end": { "local": "1982-11-11T17:18:41+03:00", "utc": "1982-11-11T14:18:41Z", "ms": 405872321132.9721 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-10T18:07:17+03:00", "utc": "1982-11-10T15:07:17Z", "ms": 405788837038.4694 }, "end": { "local": "1982-11-11T17:18:41+03:00", "utc": "1982-11-11T14:18:41Z", "ms": 405872321132.9721 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-11-10", "window": { "start": { "local": "1982-11-10T06:35:29+03:00", "utc": "1982-11-10T03:35:29Z", "ms": 405747329466.3821 }, "end": { "local": "1982-11-10T06:35:29+03:00", "utc": "1982-11-10T03:35:29Z", "ms": 405747329466.3821 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-11-11", "window": { "start": { "local": "1982-11-11T06:36:30+03:00", "utc": "1982-11-11T03:36:30Z", "ms": 405833790277.3736 }, "end": { "local": "1982-11-11T06:36:30+03:00", "utc": "1982-11-11T03:36:30Z", "ms": 405833790277.3736 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:07 on Wed 10 Nov to 17:19 on Thu 11 Nov.", "fact": "1982-11-10T15:07:17Z → 1982-11-11T14:18:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:35 on the 10th and 06:37 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38531 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Erbil, 1982: Thursday 11 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": "1982-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-11", "confidence": "determinate" } ], "quote": "In Erbil, Ramā Ekādaśī 1982 falls on Thursday 11 November. Ekādaśī runs from 18:07 on Wed 10 Nov to 17:19 on Thu 11 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 344, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-11-11T17:18:41+03:00", "utc": "1982-11-11T14:18:41Z", "ms": 405872321132.9721 }, "end": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-11T17:18:41+03:00", "utc": "1982-11-11T14:18:41Z", "ms": 405872321132.9721 }, "end": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-11", "window": { "start": { "local": "1982-11-11T16:59:01+03:00", "utc": "1982-11-11T13:59:01Z", "ms": 405871141492.9754 }, "end": { "local": "1982-11-11T18:48:09+03:00", "utc": "1982-11-11T15:48:09Z", "ms": 405877689453.18286 } }, "covered_min": 89, "window_min": 109, "qualifies": true }, { "local_date": "1982-11-12", "window": { "start": { "local": "1982-11-12T16:58:15+03:00", "utc": "1982-11-12T13:58:15Z", "ms": 405957495008.7816 }, "end": { "local": "1982-11-12T18:47:37+03:00", "utc": "1982-11-12T15:47:37Z", "ms": 405964057299.16486 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:19 on Thu 11 Nov to 16:53 on Fri 12 Nov.", "fact": "1982-11-11T14:18:41Z → 1982-11-12T13:52:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:59–18:48 on the 11th, 16:58–18:48 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 89 of 109 minutes on the 11th and 0 of 109 on the 12th.", "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 344 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Erbil, 1982: Thursday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-11-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-11", "confidence": "determinate" } ], "quote": "In Erbil, Govatsa Dvādaśī (Vasu Baras) 1982 falls on Thursday 11 November. Dvādaśī runs from 17:19 on Thu 11 Nov to 16:53 on Fri 12 Nov and covers 89 of 109 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 344, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 }, "end": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 }, "end": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-12", "window": { "start": { "local": "1982-11-12T16:58:15+03:00", "utc": "1982-11-12T13:58:15Z", "ms": 405957495008.7816 }, "end": { "local": "1982-11-12T18:47:37+03:00", "utc": "1982-11-12T15:47:37Z", "ms": 405964057299.16486 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1982-11-13", "window": { "start": { "local": "1982-11-13T16:57:30+03:00", "utc": "1982-11-13T13:57:30Z", "ms": 406043850183.8661 }, "end": { "local": "1982-11-13T18:47:07+03:00", "utc": "1982-11-13T15:47:07Z", "ms": 406050426588.76337 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:53 on Fri 12 Nov to 16:51 on Sat 13 Nov.", "fact": "1982-11-12T13:52:31Z → 1982-11-13T13:50:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:48 on the 12th, 16:58–18:47 on the 13th.", "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 12th and 0 of 110 on the 13th.", "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 344 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Erbil, 1982: Friday 12 November.", "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": "1982-11-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-12", "confidence": "determinate" } ], "quote": "In Erbil, Yama Dīpadāna 1982 falls on Friday 12 November. Trayodaśī runs from 16:53 on Fri 12 Nov to 16:51 on Sat 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-11-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 344, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 }, "end": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-12T16:52:31+03:00", "utc": "1982-11-12T13:52:31Z", "ms": 405957151418.549 }, "end": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-12", "window": { "start": { "local": "1982-11-12T16:58:15+03:00", "utc": "1982-11-12T13:58:15Z", "ms": 405957495008.7816 }, "end": { "local": "1982-11-12T18:47:37+03:00", "utc": "1982-11-12T15:47:37Z", "ms": 405964057299.16486 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "1982-11-13", "window": { "start": { "local": "1982-11-13T16:57:30+03:00", "utc": "1982-11-13T13:57:30Z", "ms": 406043850183.8661 }, "end": { "local": "1982-11-13T18:47:07+03:00", "utc": "1982-11-13T15:47:07Z", "ms": 406050426588.76337 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:53 on Fri 12 Nov to 16:51 on Sat 13 Nov.", "fact": "1982-11-12T13:52:31Z → 1982-11-13T13:50:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:48 on the 12th, 16:58–18:47 on the 13th.", "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 12th and 0 of 110 on the 13th.", "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 344 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Friday 12 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": "1982-11-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-12", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Friday 12 November. Trayodaśī runs from 16:53 on Fri 12 Nov to 16:51 on Sat 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-11-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22125, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "end": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "end": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 } }, "kaala": "nishita", "days": [ { "local_date": "1982-11-13", "window": { "start": { "local": "1982-11-13T23:24:32+03:00", "utc": "1982-11-13T20:24:32Z", "ms": 406067071702.23096 }, "end": { "local": "1982-11-14T00:12:32+03:00", "utc": "1982-11-13T21:12:32Z", "ms": 406069951702.23096 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-14", "window": { "start": { "local": "1982-11-14T23:24:41+03:00", "utc": "1982-11-14T20:24:41Z", "ms": 406153480652.5988 }, "end": { "local": "1982-11-15T00:12:41+03:00", "utc": "1982-11-14T21:12:41Z", "ms": 406156360652.5988 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:51 on Sat 13 Nov to 17:16 on Sun 14 Nov.", "fact": "1982-11-13T13:50:50Z → 1982-11-14T14:15:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 13th, 23:25–00:13 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22125 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Saturday 13 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": "1982-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-13", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Saturday 13 November. Caturdaśī runs from 16:51 on Sat 13 Nov to 17:16 on Sun 14 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36738, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "end": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-13T16:50:50+03:00", "utc": "1982-11-13T13:50:50Z", "ms": 406043449856.8891 }, "end": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 } }, "kaala": "arunodaya", "days": [ { "local_date": "1982-11-13", "window": { "start": { "local": "1982-11-13T04:49:10+03:00", "utc": "1982-11-13T01:49:10Z", "ms": 406000149896.27246 }, "end": { "local": "1982-11-13T06:38:32+03:00", "utc": "1982-11-13T03:38:32Z", "ms": 406006712186.6557 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1982-11-14", "window": { "start": { "local": "1982-11-14T04:49:57+03:00", "utc": "1982-11-14T01:49:57Z", "ms": 406086596815.6985 }, "end": { "local": "1982-11-14T06:39:33+03:00", "utc": "1982-11-14T03:39:33Z", "ms": 406093173220.59576 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:51 on Sat 13 Nov to 17:16 on Sun 14 Nov.", "fact": "1982-11-13T13:50:50Z → 1982-11-14T14:15:55Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:49–06:39 on the 13th, 04:50–06:40 on the 14th.", "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 109 minutes on the 13th and 110 of 110 on the 14th.", "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 36738 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Erbil, 1982: Sunday 14 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": "1982-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-14", "confidence": "determinate" } ], "quote": "In Erbil, Naraka Caturdaśī (Choti Diwali) 1982 falls on Sunday 14 November. Caturdaśī runs from 16:51 on Sat 13 Nov to 17:16 on Sun 14 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1148, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "end": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "end": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-14", "window": { "start": { "local": "1982-11-14T16:56:47+03:00", "utc": "1982-11-14T13:56:47Z", "ms": 406130207043.27936 }, "end": { "local": "1982-11-14T18:46:37+03:00", "utc": "1982-11-14T15:46:37Z", "ms": 406136797339.0979 } }, "covered_min": 91, "window_min": 110, "qualifies": true }, { "local_date": "1982-11-15", "window": { "start": { "local": "1982-11-15T16:56:06+03:00", "utc": "1982-11-15T13:56:06Z", "ms": 406216565610.7729 }, "end": { "local": "1982-11-15T18:46:10+03:00", "utc": "1982-11-15T15:46:10Z", "ms": 406223169565.7479 } }, "covered_min": 74, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:16 on Sun 14 Nov to 18:10 on Mon 15 Nov.", "fact": "1982-11-14T14:15:55Z → 1982-11-15T15:09:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:57–18:47 on the 14th, 16:56–18:46 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 91 of 110 minutes on the 14th and 74 of 110 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1148 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Erbil, 1982: Sunday 14 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-11-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-14", "confidence": "boundary" } ], "quote": "In Erbil, Lakṣmī Pūjā (Diwali) 1982 falls on Sunday 14 November. Amāvasyā runs from 17:16 on Sun 14 Nov to 18:10 on Mon 15 Nov and covers 91 of 110 minutes of pradoṣa that evening. It also reaches the next evening for 74 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/erbil/festivals/1982/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": "/erbil/festivals/1982/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18897, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "end": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-14T17:15:55+03:00", "utc": "1982-11-14T14:15:55Z", "ms": 406131355280.3765 }, "end": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 } }, "kaala": "nishita", "days": [ { "local_date": "1982-11-14", "window": { "start": { "local": "1982-11-14T23:24:41+03:00", "utc": "1982-11-14T20:24:41Z", "ms": 406153480652.5988 }, "end": { "local": "1982-11-15T00:12:41+03:00", "utc": "1982-11-14T21:12:41Z", "ms": 406156360652.5988 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-15", "window": { "start": { "local": "1982-11-15T23:24:50+03:00", "utc": "1982-11-15T20:24:50Z", "ms": 406239890441.92926 }, "end": { "local": "1982-11-16T00:12:50+03:00", "utc": "1982-11-15T21:12:50Z", "ms": 406242770441.92926 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:16 on Sun 14 Nov to 18:10 on Mon 15 Nov.", "fact": "1982-11-14T14:15:55Z → 1982-11-15T15:09:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 14th, 23:25–00:13 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18897 s" }, { "step": "ruling", "text": "Kālī Pūjā, Erbil, 1982: Sunday 14 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": "1982-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-14", "confidence": "determinate" } ], "quote": "In Erbil, Kālī Pūjā 1982 falls on Sunday 14 November. Amāvasyā runs from 17:16 on Sun 14 Nov to 18:10 on Mon 15 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21454, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-15", "window": { "start": { "local": "1982-11-15T11:24:20+03:00", "utc": "1982-11-15T08:24:20Z", "ms": 406196659936.3456 }, "end": { "local": "1982-11-15T12:12:20+03:00", "utc": "1982-11-15T09:12:20Z", "ms": 406199539936.3456 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-11-16", "window": { "start": { "local": "1982-11-16T11:24:31+03:00", "utc": "1982-11-16T08:24:31Z", "ms": 406283070592.0115 }, "end": { "local": "1982-11-16T12:12:31+03:00", "utc": "1982-11-16T09:12:31Z", "ms": 406285950592.0115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov.", "fact": "1982-11-15T15:09:54Z → 1982-11-16T16:33:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 15th, 11:25–12:13 on the 16th.", "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 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: purvaviddha → only-day · margin 21454 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Erbil, 1982: Tuesday 16 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": "1982-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-16", "confidence": "determinate" } ], "quote": "In Erbil, Govardhana Pūjā 1982 falls on Tuesday 16 November. Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2176, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-15", "window": { "start": { "local": "1982-11-15T16:56:06+03:00", "utc": "1982-11-15T13:56:06Z", "ms": 406216565610.7729 }, "end": { "local": "1982-11-15T18:46:10+03:00", "utc": "1982-11-15T15:46:10Z", "ms": 406223169565.7479 } }, "covered_min": 36, "window_min": 110, "qualifies": true }, { "local_date": "1982-11-16", "window": { "start": { "local": "1982-11-16T16:55:26+03:00", "utc": "1982-11-16T13:55:26Z", "ms": 406302925910.9374 }, "end": { "local": "1982-11-16T18:45:43+03:00", "utc": "1982-11-16T15:45:43Z", "ms": 406309543285.03156 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov.", "fact": "1982-11-15T15:09:54Z → 1982-11-16T16:33:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:56–18:46 on the 15th, 16:55–18:46 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 36 of 110 minutes on the 15th and 110 of 110 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2176 s" }, { "step": "ruling", "text": "Bali Pūjā, Erbil, 1982: Tuesday 16 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1982-11-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-16", "confidence": "boundary" } ], "quote": "In Erbil, Bali Pūjā 1982 falls on Tuesday 16 November. Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov and covers all of pradoṣa that evening. It also reaches the previous evening for 36 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/erbil/festivals/1982/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": "/erbil/festivals/1982/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29049, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-15T18:09:54+03:00", "utc": "1982-11-15T15:09:54Z", "ms": 406220993834.77094 }, "end": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 } }, "kaala": "purvahna", "days": [ { "local_date": "1982-11-15", "window": { "start": { "local": "1982-11-15T06:40:34+03:00", "utc": "1982-11-15T03:40:34Z", "ms": 406179634261.9183 }, "end": { "local": "1982-11-15T10:05:45+03:00", "utc": "1982-11-15T07:05:45Z", "ms": 406191944711.5365 } }, "covered_min": 0, "window_min": 205, "qualifies": false }, { "local_date": "1982-11-16", "window": { "start": { "local": "1982-11-16T06:41:35+03:00", "utc": "1982-11-16T03:41:35Z", "ms": 406266095273.08563 }, "end": { "local": "1982-11-16T10:06:12+03:00", "utc": "1982-11-16T07:06:12Z", "ms": 406278372152.36957 } }, "covered_min": 205, "window_min": 205, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov.", "fact": "1982-11-15T15:09:54Z → 1982-11-16T16:33:54Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:41–10:06 on the 15th, 06:42–10:06 on the 16th.", "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 205 minutes on the 15th and 205 of 205 on the 16th.", "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 29049 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Erbil, 1982: Tuesday 16 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": "1982-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-16", "confidence": "determinate" } ], "quote": "In Erbil, Dyūta Pratipad 1982 falls on Tuesday 16 November. Pratipadā runs from 18:10 on Mon 15 Nov to 19:34 on Tue 16 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26483, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 }, "end": { "local": "1982-11-17T21:27:09+03:00", "utc": "1982-11-17T18:27:09Z", "ms": 406405629133.4283 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-16T19:33:54+03:00", "utc": "1982-11-16T16:33:54Z", "ms": 406312433706.66034 }, "end": { "local": "1982-11-17T21:27:09+03:00", "utc": "1982-11-17T18:27:09Z", "ms": 406405629133.4283 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-16", "window": { "start": { "local": "1982-11-16T11:24:31+03:00", "utc": "1982-11-16T08:24:31Z", "ms": 406283070592.0115 }, "end": { "local": "1982-11-16T12:12:31+03:00", "utc": "1982-11-16T09:12:31Z", "ms": 406285950592.0115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-11-17", "window": { "start": { "local": "1982-11-17T11:24:42+03:00", "utc": "1982-11-17T08:24:42Z", "ms": 406369482091.4722 }, "end": { "local": "1982-11-17T12:12:42+03:00", "utc": "1982-11-17T09:12:42Z", "ms": 406372362091.4722 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:34 on Tue 16 Nov to 21:27 on Wed 17 Nov.", "fact": "1982-11-16T16:33:54Z → 1982-11-17T18:27:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 16th, 11:25–12:13 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26483 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Erbil, 1982: Wednesday 17 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": "1982-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-17", "confidence": "determinate" } ], "quote": "In Erbil, Yama Dvitīyā (Bhai Dooj) 1982 falls on Wednesday 17 November. Dvitīyā runs from 19:34 on Tue 16 Nov to 21:27 on Wed 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32512, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-11-18T23:46:04+03:00", "utc": "1982-11-18T20:46:04Z", "ms": 406500363766.80286 }, "end": { "local": "1982-11-20T02:23:30+03:00", "utc": "1982-11-19T23:23:30Z", "ms": 406596209890.914 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-18T23:46:04+03:00", "utc": "1982-11-18T20:46:04Z", "ms": 406500363766.80286 }, "end": { "local": "1982-11-20T02:23:30+03:00", "utc": "1982-11-19T23:23:30Z", "ms": 406596209890.914 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-19", "window": { "start": { "local": "1982-11-19T11:25:08+03:00", "utc": "1982-11-19T08:25:08Z", "ms": 406542307587.6537 }, "end": { "local": "1982-11-19T12:13:08+03:00", "utc": "1982-11-19T09:13:08Z", "ms": 406545187587.6537 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-20", "window": { "start": { "local": "1982-11-20T11:25:22+03:00", "utc": "1982-11-20T08:25:22Z", "ms": 406628721565.38477 }, "end": { "local": "1982-11-20T12:13:22+03:00", "utc": "1982-11-20T09:13:22Z", "ms": 406631601565.38477 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:46 on Thu 18 Nov to 02:23 on Sat 20 Nov.", "fact": "1982-11-18T20:46:04Z → 1982-11-19T23:23:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 19th, 11:25–12:13 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32512 s" }, { "step": "ruling", "text": "Nāga Caturthī, Erbil, 1982: Friday 19 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": "1982-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-19", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Caturthī 1982 falls on Friday 19 November. Caturthī runs from 23:46 on Thu 18 Nov to 02:23 on Sat 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-11-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32512, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-11-18T23:46:04+03:00", "utc": "1982-11-18T20:46:04Z", "ms": 406500363766.80286 }, "end": { "local": "1982-11-20T02:23:30+03:00", "utc": "1982-11-19T23:23:30Z", "ms": 406596209890.914 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-18T23:46:04+03:00", "utc": "1982-11-18T20:46:04Z", "ms": 406500363766.80286 }, "end": { "local": "1982-11-20T02:23:30+03:00", "utc": "1982-11-19T23:23:30Z", "ms": 406596209890.914 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-19", "window": { "start": { "local": "1982-11-19T11:25:08+03:00", "utc": "1982-11-19T08:25:08Z", "ms": 406542307587.6537 }, "end": { "local": "1982-11-19T12:13:08+03:00", "utc": "1982-11-19T09:13:08Z", "ms": 406545187587.6537 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-20", "window": { "start": { "local": "1982-11-20T11:25:22+03:00", "utc": "1982-11-20T08:25:22Z", "ms": 406628721565.38477 }, "end": { "local": "1982-11-20T12:13:22+03:00", "utc": "1982-11-20T09:13:22Z", "ms": 406631601565.38477 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:46 on Thu 18 Nov to 02:23 on Sat 20 Nov.", "fact": "1982-11-18T20:46:04Z → 1982-11-19T23:23:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 19th, 11:25–12:13 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32512 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Friday 19 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": "1982-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-19", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Friday 19 November. Caturthī runs from 23:46 on Thu 18 Nov to 02:23 on Sat 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13053, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-11-21T05:08:44+03:00", "utc": "1982-11-21T02:08:44Z", "ms": 406692524399.25323 }, "end": { "local": "1982-11-22T07:48:19+03:00", "utc": "1982-11-22T04:48:19Z", "ms": 406788498518.0553 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-21T05:08:44+03:00", "utc": "1982-11-21T02:08:44Z", "ms": 406692524399.25323 }, "end": { "local": "1982-11-22T07:48:19+03:00", "utc": "1982-11-22T04:48:19Z", "ms": 406788498518.0553 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-21", "window": { "start": { "local": "1982-11-21T11:25:36+03:00", "utc": "1982-11-21T08:25:36Z", "ms": 406715136349.0001 }, "end": { "local": "1982-11-21T12:13:36+03:00", "utc": "1982-11-21T09:13:36Z", "ms": 406718016349.0001 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-22", "window": { "start": { "local": "1982-11-22T11:25:52+03:00", "utc": "1982-11-22T08:25:52Z", "ms": 406801551927.20264 }, "end": { "local": "1982-11-22T12:13:52+03:00", "utc": "1982-11-22T09:13:52Z", "ms": 406804431927.20264 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:09 on Sun 21 Nov to 07:48 on Mon 22 Nov.", "fact": "1982-11-21T02:08:44Z → 1982-11-22T04:48:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 21st, 11:26–12:14 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13053 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Erbil, 1982: Sunday 21 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": "1982-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-21", "confidence": "determinate" } ], "quote": "In Erbil, Sūrya Ṣaṣṭhī (Chhath) 1982 falls on Sunday 21 November. Ṣaṣṭhī runs from 05:09 on Sun 21 Nov to 07:48 on Mon 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1252, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1982-11-23T10:07:41+03:00", "utc": "1982-11-23T07:07:41Z", "ms": 406883261491.5829 }, "end": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-23T10:07:41+03:00", "utc": "1982-11-23T07:07:41Z", "ms": 406883261491.5829 }, "end": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-23", "window": { "start": { "local": "1982-11-23T11:26:08+03:00", "utc": "1982-11-23T08:26:08Z", "ms": 406887968288.00037 }, "end": { "local": "1982-11-23T12:14:08+03:00", "utc": "1982-11-23T09:14:08Z", "ms": 406890848288.00037 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-24", "window": { "start": { "local": "1982-11-24T11:26:25+03:00", "utc": "1982-11-24T08:26:25Z", "ms": 406974385418.74304 }, "end": { "local": "1982-11-24T12:14:25+03:00", "utc": "1982-11-24T09:14:25Z", "ms": 406977265418.74304 } }, "covered_min": 27, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:08 on Tue 23 Nov to 11:54 on Wed 24 Nov.", "fact": "1982-11-23T07:07:41Z → 1982-11-24T08:53:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 23rd, 11:26–12:14 on the 24th.", "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 23rd and 27 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1252 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Erbil, 1982: Tuesday 23 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1982-11-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-23", "confidence": "boundary" } ], "quote": "In Erbil, Gopāṣṭamī 1982 falls on Tuesday 23 November. Aṣṭamī runs from 10:08 on Tue 23 Nov to 11:54 on Wed 24 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 27 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/erbil/festivals/1982/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": "/erbil/festivals/1982/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1252, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 }, "end": { "local": "1982-11-25T12:55:49+03:00", "utc": "1982-11-25T09:55:49Z", "ms": 407066148872.4338 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 }, "end": { "local": "1982-11-25T12:55:49+03:00", "utc": "1982-11-25T09:55:49Z", "ms": 407066148872.4338 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-24", "window": { "start": { "local": "1982-11-24T11:26:25+03:00", "utc": "1982-11-24T08:26:25Z", "ms": 406974385418.74304 }, "end": { "local": "1982-11-24T12:14:25+03:00", "utc": "1982-11-24T09:14:25Z", "ms": 406977265418.74304 } }, "covered_min": 21, "window_min": 48, "qualifies": true }, { "local_date": "1982-11-25", "window": { "start": { "local": "1982-11-25T11:26:43+03:00", "utc": "1982-11-25T08:26:43Z", "ms": 407060803306.19006 }, "end": { "local": "1982-11-25T12:14:43+03:00", "utc": "1982-11-25T09:14:43Z", "ms": 407063683306.19006 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:54 on Wed 24 Nov to 12:56 on Thu 25 Nov.", "fact": "1982-11-24T08:53:34Z → 1982-11-25T09:55:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 24th, 11:27–12:15 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 21 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1252 s" }, { "step": "ruling", "text": "Durgā Navamī, Erbil, 1982: Wednesday 24 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": "1982-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-24", "confidence": "determinate" } ], "quote": "In Erbil, Durgā Navamī 1982 falls on Wednesday 24 November. Navamī runs from 11:54 on Wed 24 Nov to 12:56 on Thu 25 Nov and covers 21 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6204, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 }, "end": { "local": "1982-11-25T12:55:49+03:00", "utc": "1982-11-25T09:55:49Z", "ms": 407066148872.4338 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-24T11:53:34+03:00", "utc": "1982-11-24T08:53:34Z", "ms": 406976013815.8578 }, "end": { "local": "1982-11-25T12:55:49+03:00", "utc": "1982-11-25T09:55:49Z", "ms": 407066148872.4338 } }, "kaala": "purvahna", "days": [ { "local_date": "1982-11-24", "window": { "start": { "local": "1982-11-24T06:49:38+03:00", "utc": "1982-11-24T03:49:38Z", "ms": 406957777520.66003 }, "end": { "local": "1982-11-24T10:10:09+03:00", "utc": "1982-11-24T07:10:09Z", "ms": 406969809452.71533 } }, "covered_min": 0, "window_min": 201, "qualifies": false }, { "local_date": "1982-11-25", "window": { "start": { "local": "1982-11-25T06:50:36+03:00", "utc": "1982-11-25T03:50:36Z", "ms": 407044236439.62134 }, "end": { "local": "1982-11-25T10:10:41+03:00", "utc": "1982-11-25T07:10:41Z", "ms": 407056241017.3338 } }, "covered_min": 200, "window_min": 200, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:54 on Wed 24 Nov to 12:56 on Thu 25 Nov.", "fact": "1982-11-24T08:53:34Z → 1982-11-25T09:55:49Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:50–10:10 on the 24th, 06:51–10:11 on the 25th.", "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 201 minutes on the 24th and 200 of 200 on the 25th.", "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 6204 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Erbil, 1982: Thursday 25 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": "1982-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-25", "confidence": "determinate" } ], "quote": "In Erbil, Akṣaya Navamī (Amla Navami) 1982 falls on Thursday 25 November. Navamī runs from 11:54 on Wed 24 Nov to 12:56 on Thu 25 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-11-27", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20335, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-11-26T13:08:47+03:00", "utc": "1982-11-26T10:08:47Z", "ms": 407153326745.3468 }, "end": { "local": "1982-11-27T12:31:27+03:00", "utc": "1982-11-27T09:31:27Z", "ms": 407237487475.6001 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-26T13:08:47+03:00", "utc": "1982-11-26T10:08:47Z", "ms": 407153326745.3468 }, "end": { "local": "1982-11-27T12:31:27+03:00", "utc": "1982-11-27T09:31:27Z", "ms": 407237487475.6001 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-11-26", "window": { "start": { "local": "1982-11-26T06:51:35+03:00", "utc": "1982-11-26T03:51:35Z", "ms": 407130694910.40204 }, "end": { "local": "1982-11-26T06:51:35+03:00", "utc": "1982-11-26T03:51:35Z", "ms": 407130694910.40204 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1982-11-27", "window": { "start": { "local": "1982-11-27T06:52:33+03:00", "utc": "1982-11-27T03:52:33Z", "ms": 407217152888.9166 }, "end": { "local": "1982-11-27T06:52:33+03:00", "utc": "1982-11-27T03:52:33Z", "ms": 407217152888.9166 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:09 on Fri 26 Nov to 12:31 on Sat 27 Nov.", "fact": "1982-11-26T10:08:47Z → 1982-11-27T09:31:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 26th and 06:53 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī 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: paraviddha → only-day · margin 20335 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Erbil, 1982: Saturday 27 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": "1982-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-27", "confidence": "determinate" } ], "quote": "In Erbil, Prabodhinī Ekādaśī 1982 falls on Saturday 27 November. Ekādaśī runs from 13:09 on Fri 26 Nov to 12:31 on Sat 27 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-11-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20577, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-11-28T11:06:56+03:00", "utc": "1982-11-28T08:06:56Z", "ms": 407318815707.3044 }, "end": { "local": "1982-11-29T09:01:20+03:00", "utc": "1982-11-29T06:01:20Z", "ms": 407397680387.4035 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-28T11:06:56+03:00", "utc": "1982-11-28T08:06:56Z", "ms": 407318815707.3044 }, "end": { "local": "1982-11-29T09:01:20+03:00", "utc": "1982-11-29T06:01:20Z", "ms": 407397680387.4035 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-11-28", "window": { "start": { "local": "1982-11-28T16:49:52+03:00", "utc": "1982-11-28T13:49:52Z", "ms": 407339392408.37744 }, "end": { "local": "1982-11-28T18:42:29+03:00", "utc": "1982-11-28T15:42:29Z", "ms": 407346149046.6492 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "1982-11-29", "window": { "start": { "local": "1982-11-29T16:49:37+03:00", "utc": "1982-11-29T13:49:37Z", "ms": 407425777093.08 }, "end": { "local": "1982-11-29T18:42:23+03:00", "utc": "1982-11-29T15:42:23Z", "ms": 407432543272.45764 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:07 on Sun 28 Nov to 09:01 on Mon 29 Nov.", "fact": "1982-11-28T08:06:56Z → 1982-11-29T06:01:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:50–18:42 on the 28th, 16:50–18:42 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 113 of 113 minutes on the 28th and 0 of 113 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 20577 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Sunday 28 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": "1982-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-28", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Sunday 28 November. Trayodaśī runs from 11:07 on Sun 28 Nov to 09:01 on Mon 29 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-11-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18333, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-11-30T06:22:51+03:00", "utc": "1982-11-30T03:22:51Z", "ms": 407474570885.17554 }, "end": { "local": "1982-12-01T03:20:42+03:00", "utc": "1982-12-01T00:20:42Z", "ms": 407550041997.4369 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-30T06:22:51+03:00", "utc": "1982-11-30T03:22:51Z", "ms": 407474570885.17554 }, "end": { "local": "1982-12-01T03:20:42+03:00", "utc": "1982-12-01T00:20:42Z", "ms": 407550041997.4369 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-11-30", "window": { "start": { "local": "1982-11-30T11:28:24+03:00", "utc": "1982-11-30T08:28:24Z", "ms": 407492903604.3485 }, "end": { "local": "1982-11-30T12:16:24+03:00", "utc": "1982-11-30T09:16:24Z", "ms": 407495783604.3485 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-01", "window": { "start": { "local": "1982-12-01T11:28:46+03:00", "utc": "1982-12-01T08:28:46Z", "ms": 407579325735.55774 }, "end": { "local": "1982-12-01T12:16:46+03:00", "utc": "1982-12-01T09:16:46Z", "ms": 407582205735.55774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:23 on Tue 30 Nov to 03:21 on Wed 1 Dec.", "fact": "1982-11-30T03:22:51Z → 1982-12-01T00:20:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 30th, 11:29–12:17 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18333 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Erbil, 1982: Tuesday 30 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": "1982-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-30", "confidence": "determinate" } ], "quote": "In Erbil, Kārtikī Pūrṇimā 1982 falls on Tuesday 30 November. Pūrṇimā runs from 06:23 on Tue 30 Nov to 03:21 on Wed 1 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11031, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-11-30T06:22:51+03:00", "utc": "1982-11-30T03:22:51Z", "ms": 407474570885.17554 }, "end": { "local": "1982-12-01T03:20:42+03:00", "utc": "1982-12-01T00:20:42Z", "ms": 407550041997.4369 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1982-11-30T06:22:51+03:00", "utc": "1982-11-30T03:22:51Z", "ms": 407474570885.17554 }, "end": { "local": "1982-12-01T03:20:42+03:00", "utc": "1982-12-01T00:20:42Z", "ms": 407550041997.4369 } }, "kaala": "nishita", "days": [ { "local_date": "1982-11-29", "window": { "start": { "local": "1982-11-29T23:28:30+03:00", "utc": "1982-11-29T20:28:30Z", "ms": 407449710265.7462 }, "end": { "local": "1982-11-30T00:16:30+03:00", "utc": "1982-11-29T21:16:30Z", "ms": 407452590265.7462 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-11-30", "window": { "start": { "local": "1982-11-30T23:28:51+03:00", "utc": "1982-11-30T20:28:51Z", "ms": 407536131394.6393 }, "end": { "local": "1982-12-01T00:16:51+03:00", "utc": "1982-11-30T21:16:51Z", "ms": 407539011394.6393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:23 on Tue 30 Nov to 03:21 on Wed 1 Dec.", "fact": "1982-11-30T03:22:51Z → 1982-12-01T00:20:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 29th, 23:29–00:17 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11031 s" }, { "step": "ruling", "text": "Rāsayātrā, Erbil, 1982: Tuesday 30 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": "1982-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-11-30", "confidence": "determinate" } ], "quote": "In Erbil, Rāsayātrā 1982 falls on Tuesday 30 November. Pūrṇimā runs from 06:23 on Tue 30 Nov to 03:21 on Wed 1 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/sankashta-chaturthi?on=1982-12-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6986, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-12-03T17:27:40+03:00", "utc": "1982-12-03T14:27:40Z", "ms": 407773659849.1064 }, "end": { "local": "1982-12-04T14:24:11+03:00", "utc": "1982-12-04T11:24:11Z", "ms": 407849051437.5163 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-03T17:27:40+03:00", "utc": "1982-12-03T14:27:40Z", "ms": 407773659849.1064 }, "end": { "local": "1982-12-04T14:24:11+03:00", "utc": "1982-12-04T11:24:11Z", "ms": 407849051437.5163 } }, "kaala": "moonrise", "days": [ { "local_date": "1982-12-03", "window": { "start": { "local": "1982-12-03T19:24:05+03:00", "utc": "1982-12-03T16:24:05Z", "ms": 407780645396.20166 }, "end": { "local": "1982-12-03T19:24:05+03:00", "utc": "1982-12-03T16:24:05Z", "ms": 407780645396.20166 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-12-04", "window": { "start": { "local": "1982-12-04T20:32:26+03:00", "utc": "1982-12-04T17:32:26Z", "ms": 407871146130.25824 }, "end": { "local": "1982-12-04T20:32:26+03:00", "utc": "1982-12-04T17:32:26Z", "ms": 407871146130.25824 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:28 on Fri 3 Dec to 14:24 on Sat 4 Dec.", "fact": "1982-12-03T14:27:40Z → 1982-12-04T11:24:11Z" }, { "step": "kaala", "text": "Moonrise is at 19:24 on the 3rd and 20:32 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6986 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 1982: Friday 3 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": "1982-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-03", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 1982 falls on Friday 3 December. Caturthī runs from 17:28 on Fri 3 Dec to 14:24 on Sat 4 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/sankashta-chaturthi?on=1982-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/ekadashi?on=1982-12-10", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4033, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-12-10T05:32:02+03:00", "utc": "1982-12-10T02:32:02Z", "ms": 408335521876.94086 }, "end": { "local": "1982-12-11T05:57:36+03:00", "utc": "1982-12-11T02:57:36Z", "ms": 408423455632.7582 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-10T05:32:02+03:00", "utc": "1982-12-10T02:32:02Z", "ms": 408335521876.94086 }, "end": { "local": "1982-12-11T05:57:36+03:00", "utc": "1982-12-11T02:57:36Z", "ms": 408423455632.7582 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-12-10", "window": { "start": { "local": "1982-12-10T07:04:02+03:00", "utc": "1982-12-10T04:04:02Z", "ms": 408341042197.5165 }, "end": { "local": "1982-12-10T07:04:02+03:00", "utc": "1982-12-10T04:04:02Z", "ms": 408341042197.5165 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-12-11", "window": { "start": { "local": "1982-12-11T07:04:49+03:00", "utc": "1982-12-11T04:04:49Z", "ms": 408427488671.1946 }, "end": { "local": "1982-12-11T07:04:49+03:00", "utc": "1982-12-11T04:04:49Z", "ms": 408427488671.1946 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:32 on Fri 10 Dec to 05:58 on Sat 11 Dec.", "fact": "1982-12-10T02:32:02Z → 1982-12-11T02:57:36Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 10th and 07:05 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4033 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Erbil, 1982: Friday 10 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": "1982-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-10", "confidence": "determinate" } ], "quote": "In Erbil, Utpannā Ekādaśī 1982 falls on Friday 10 December. Ekādaśī runs from 05:32 on Fri 10 Dec to 05:58 on Sat 11 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/pradosha-vrata?on=1982-12-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30708, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-12-12T06:53:41+03:00", "utc": "1982-12-12T03:53:41Z", "ms": 408513221073.0927 }, "end": { "local": "1982-12-13T08:17:47+03:00", "utc": "1982-12-13T05:17:47Z", "ms": 408604667341.01624 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-12T06:53:41+03:00", "utc": "1982-12-12T03:53:41Z", "ms": 408513221073.0927 }, "end": { "local": "1982-12-13T08:17:47+03:00", "utc": "1982-12-13T05:17:47Z", "ms": 408604667341.01624 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-12-12", "window": { "start": { "local": "1982-12-12T16:49:22+03:00", "utc": "1982-12-12T13:49:22Z", "ms": 408548961962.1568 }, "end": { "local": "1982-12-12T18:43:37+03:00", "utc": "1982-12-12T15:43:37Z", "ms": 408555817436.33484 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "1982-12-13", "window": { "start": { "local": "1982-12-13T16:49:35+03:00", "utc": "1982-12-13T13:49:35Z", "ms": 408635374931.07214 }, "end": { "local": "1982-12-13T18:43:54+03:00", "utc": "1982-12-13T15:43:54Z", "ms": 408642234378.9377 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:54 on Sun 12 Dec to 08:18 on Mon 13 Dec.", "fact": "1982-12-12T03:53:41Z → 1982-12-13T05:17:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:49–18:44 on the 12th, 16:50–18:44 on the 13th.", "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 12th and 0 of 114 on the 13th.", "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 30708 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 1982: Sunday 12 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": "1982-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-12", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 1982 falls on Sunday 12 December. Trayodaśī runs from 06:54 on Sun 12 Dec to 08:18 on Mon 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/shivaratri?on=1982-12-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28557, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1982-12-13T08:17:47+03:00", "utc": "1982-12-13T05:17:47Z", "ms": 408604667341.01624 }, "end": { "local": "1982-12-14T10:07:02+03:00", "utc": "1982-12-14T07:07:02Z", "ms": 408697621976.8006 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-13T08:17:47+03:00", "utc": "1982-12-13T05:17:47Z", "ms": 408604667341.01624 }, "end": { "local": "1982-12-14T10:07:02+03:00", "utc": "1982-12-14T07:07:02Z", "ms": 408697621976.8006 } }, "kaala": "nishita", "days": [ { "local_date": "1982-12-12", "window": { "start": { "local": "1982-12-12T23:33:50+03:00", "utc": "1982-12-12T20:33:50Z", "ms": 408573229990.32434 }, "end": { "local": "1982-12-13T00:21:50+03:00", "utc": "1982-12-12T21:21:50Z", "ms": 408576109990.32434 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-12-13", "window": { "start": { "local": "1982-12-13T23:34:18+03:00", "utc": "1982-12-13T20:34:18Z", "ms": 408659657860.5679 }, "end": { "local": "1982-12-14T00:22:18+03:00", "utc": "1982-12-13T21:22:18Z", "ms": 408662537860.5679 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:18 on Mon 13 Dec to 10:07 on Tue 14 Dec.", "fact": "1982-12-13T05:17:47Z → 1982-12-14T07:07:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 12th, 23:34–00:22 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28557 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 1982: Monday 13 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": "1982-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-13", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri (Masik Shivaratri) 1982 falls on Monday 13 December. Caturdaśī runs from 08:18 on Mon 13 Dec to 10:07 on Tue 14 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/1982/shivaratri?on=1982-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/vinayaka-chaturthi?on=1982-12-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28113, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1982-12-18T20:12:57+03:00", "utc": "1982-12-18T17:12:57Z", "ms": 409079576851.05804 }, "end": { "local": "1982-12-19T22:54:27+03:00", "utc": "1982-12-19T19:54:27Z", "ms": 409175667464.8016 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-18T20:12:57+03:00", "utc": "1982-12-18T17:12:57Z", "ms": 409079576851.05804 }, "end": { "local": "1982-12-19T22:54:27+03:00", "utc": "1982-12-19T19:54:27Z", "ms": 409175667464.8016 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-18", "window": { "start": { "local": "1982-12-18T11:36:23+03:00", "utc": "1982-12-18T08:36:23Z", "ms": 409048583393.01953 }, "end": { "local": "1982-12-18T12:24:23+03:00", "utc": "1982-12-18T09:24:23Z", "ms": 409051463393.01953 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1982-12-19", "window": { "start": { "local": "1982-12-19T11:36:53+03:00", "utc": "1982-12-19T08:36:53Z", "ms": 409135013390.71594 }, "end": { "local": "1982-12-19T12:24:53+03:00", "utc": "1982-12-19T09:24:53Z", "ms": 409137893390.71594 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:13 on Sat 18 Dec to 22:54 on Sun 19 Dec.", "fact": "1982-12-18T17:12:57Z → 1982-12-19T19:54:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 18th, 11:37–12:25 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28113 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 1982: Sunday 19 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": "1982-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-19", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 1982 falls on Sunday 19 December. Caturthī runs from 20:13 on Sat 18 Dec to 22:54 on Sun 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/vinayaka-chaturthi?on=1982-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36985, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1982-12-19T22:54:27+03:00", "utc": "1982-12-19T19:54:27Z", "ms": 409175667464.8016 }, "end": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-19T22:54:27+03:00", "utc": "1982-12-19T19:54:27Z", "ms": 409175667464.8016 }, "end": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-20", "window": { "start": { "local": "1982-12-20T11:37:24+03:00", "utc": "1982-12-20T08:37:24Z", "ms": 409221443506.5558 }, "end": { "local": "1982-12-20T12:25:24+03:00", "utc": "1982-12-20T09:25:24Z", "ms": 409224323506.5558 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-21", "window": { "start": { "local": "1982-12-21T11:37:54+03:00", "utc": "1982-12-21T08:37:54Z", "ms": 409307873703.5571 }, "end": { "local": "1982-12-21T12:25:54+03:00", "utc": "1982-12-21T09:25:54Z", "ms": 409310753703.5571 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:54 on Sun 19 Dec to 01:21 on Tue 21 Dec.", "fact": "1982-12-19T19:54:27Z → 1982-12-20T22:21:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 20th, 11:38–12:26 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36985 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Erbil, 1982: Monday 20 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": "1982-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-20", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Pañcamī (Mārgaśīrṣa) 1982 falls on Monday 20 December. Pañcamī runs from 22:54 on Sun 19 Dec to 01:21 on Tue 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29717, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 }, "end": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 }, "end": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-21", "window": { "start": { "local": "1982-12-21T11:37:54+03:00", "utc": "1982-12-21T08:37:54Z", "ms": 409307873703.5571 }, "end": { "local": "1982-12-21T12:25:54+03:00", "utc": "1982-12-21T09:25:54Z", "ms": 409310753703.5571 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-22", "window": { "start": { "local": "1982-12-22T11:38:24+03:00", "utc": "1982-12-22T08:38:24Z", "ms": 409394303945.016 }, "end": { "local": "1982-12-22T12:26:24+03:00", "utc": "1982-12-22T09:26:24Z", "ms": 409397183945.016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:21 on Tue 21 Dec to 03:23 on Wed 22 Dec.", "fact": "1982-12-20T22:21:29Z → 1982-12-22T00:23:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:38–12:26 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29717 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Erbil, 1982: Tuesday 21 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": "1982-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-21", "confidence": "determinate" } ], "quote": "In Erbil, Campā Ṣaṣṭhī 1982 falls on Tuesday 21 December. Ṣaṣṭhī runs from 01:21 on Tue 21 Dec to 03:23 on Wed 22 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29717, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 }, "end": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-21T01:21:29+03:00", "utc": "1982-12-20T22:21:29Z", "ms": 409270888664.2209 }, "end": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-21", "window": { "start": { "local": "1982-12-21T11:37:54+03:00", "utc": "1982-12-21T08:37:54Z", "ms": 409307873703.5571 }, "end": { "local": "1982-12-21T12:25:54+03:00", "utc": "1982-12-21T09:25:54Z", "ms": 409310753703.5571 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-22", "window": { "start": { "local": "1982-12-22T11:38:24+03:00", "utc": "1982-12-22T08:38:24Z", "ms": 409394303945.016 }, "end": { "local": "1982-12-22T12:26:24+03:00", "utc": "1982-12-22T09:26:24Z", "ms": 409397183945.016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:21 on Tue 21 Dec to 03:23 on Wed 22 Dec.", "fact": "1982-12-20T22:21:29Z → 1982-12-22T00:23:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:38–12:26 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29717 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Erbil, 1982: Tuesday 21 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": "1982-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-21", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Ṣaṣṭhī 1982 falls on Tuesday 21 December. Ṣaṣṭhī runs from 01:21 on Tue 21 Dec to 03:23 on Wed 22 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24575, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 }, "end": { "local": "1982-12-23T04:49:19+03:00", "utc": "1982-12-23T01:49:19Z", "ms": 409456159194.51117 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-22T03:23:07+03:00", "utc": "1982-12-22T00:23:07Z", "ms": 409364587026.65063 }, "end": { "local": "1982-12-23T04:49:19+03:00", "utc": "1982-12-23T01:49:19Z", "ms": 409456159194.51117 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-22", "window": { "start": { "local": "1982-12-22T11:38:24+03:00", "utc": "1982-12-22T08:38:24Z", "ms": 409394303945.016 }, "end": { "local": "1982-12-22T12:26:24+03:00", "utc": "1982-12-22T09:26:24Z", "ms": 409397183945.016 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-23", "window": { "start": { "local": "1982-12-23T11:38:54+03:00", "utc": "1982-12-23T08:38:54Z", "ms": 409480734194.64343 }, "end": { "local": "1982-12-23T12:26:54+03:00", "utc": "1982-12-23T09:26:54Z", "ms": 409483614194.64343 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:23 on Wed 22 Dec to 04:49 on Thu 23 Dec.", "fact": "1982-12-22T00:23:07Z → 1982-12-23T01:49:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 22nd, 11:39–12:27 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24575 s" }, { "step": "ruling", "text": "Mitra Saptamī, Erbil, 1982: Wednesday 22 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": "1982-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-22", "confidence": "determinate" } ], "quote": "In Erbil, Mitra Saptamī 1982 falls on Wednesday 22 December. Saptamī runs from 03:23 on Wed 22 Dec to 04:49 on Thu 23 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/ekadashi?on=1982-12-26", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9639, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1982-12-26T04:32:58+03:00", "utc": "1982-12-26T01:32:58Z", "ms": 409714378232.4108 }, "end": { "local": "1982-12-27T02:52:04+03:00", "utc": "1982-12-26T23:52:04Z", "ms": 409794723900.3035 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-26T04:32:58+03:00", "utc": "1982-12-26T01:32:58Z", "ms": 409714378232.4108 }, "end": { "local": "1982-12-27T02:52:04+03:00", "utc": "1982-12-26T23:52:04Z", "ms": 409794723900.3035 } }, "kaala": "sunrise", "days": [ { "local_date": "1982-12-26", "window": { "start": { "local": "1982-12-26T07:13:37+03:00", "utc": "1982-12-26T04:13:37Z", "ms": 409724016793.24927 }, "end": { "local": "1982-12-26T07:13:37+03:00", "utc": "1982-12-26T04:13:37Z", "ms": 409724016793.24927 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1982-12-27", "window": { "start": { "local": "1982-12-27T07:13:59+03:00", "utc": "1982-12-27T04:13:59Z", "ms": 409810438802.24176 }, "end": { "local": "1982-12-27T07:13:59+03:00", "utc": "1982-12-27T04:13:59Z", "ms": 409810438802.24176 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:33 on Sun 26 Dec to 02:52 on Mon 27 Dec.", "fact": "1982-12-26T01:32:58Z → 1982-12-26T23:52:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:14 on the 26th and 07:14 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9639 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Erbil, 1982: Sunday 26 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": "1982-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-26", "confidence": "determinate" } ], "quote": "In Erbil, Mokṣadā Ekādaśī 1982 falls on Sunday 26 December. Ekādaśī runs from 04:33 on Sun 26 Dec to 02:52 on Mon 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/1982/ekadashi?on=1982-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31731, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1982-12-27T02:52:04+03:00", "utc": "1982-12-26T23:52:04Z", "ms": 409794723900.3035 }, "end": { "local": "1982-12-28T00:29:36+03:00", "utc": "1982-12-27T21:29:36Z", "ms": 409872575756.3205 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-27T02:52:04+03:00", "utc": "1982-12-26T23:52:04Z", "ms": 409794723900.3035 }, "end": { "local": "1982-12-28T00:29:36+03:00", "utc": "1982-12-27T21:29:36Z", "ms": 409872575756.3205 } }, "kaala": "madhyahna", "days": [ { "local_date": "1982-12-27", "window": { "start": { "local": "1982-12-27T11:40:55+03:00", "utc": "1982-12-27T08:40:55Z", "ms": 409826454573.9093 }, "end": { "local": "1982-12-27T12:28:55+03:00", "utc": "1982-12-27T09:28:55Z", "ms": 409829334573.9093 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1982-12-28", "window": { "start": { "local": "1982-12-28T11:41:24+03:00", "utc": "1982-12-28T08:41:24Z", "ms": 409912884348.03064 }, "end": { "local": "1982-12-28T12:29:24+03:00", "utc": "1982-12-28T09:29:24Z", "ms": 409915764348.03064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:52 on Mon 27 Dec to 00:30 on Tue 28 Dec.", "fact": "1982-12-26T23:52:04Z → 1982-12-27T21:29:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 27th, 11:41–12:29 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31731 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Erbil, 1982: Monday 27 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": "1982-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-27", "confidence": "determinate" } ], "quote": "In Erbil, Akhaṇḍa Dvādaśī 1982 falls on Monday 27 December. Dvādaśī runs from 02:52 on Mon 27 Dec to 00:30 on Tue 28 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/1982/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": "/erbil/festivals/1982/pradosha-vrata?on=1982-12-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9718, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1982-12-28T00:29:36+03:00", "utc": "1982-12-27T21:29:36Z", "ms": 409872575756.3205 }, "end": { "local": "1982-12-28T21:32:53+03:00", "utc": "1982-12-28T18:32:53Z", "ms": 409948372578.1027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-28T00:29:36+03:00", "utc": "1982-12-27T21:29:36Z", "ms": 409872575756.3205 }, "end": { "local": "1982-12-28T21:32:53+03:00", "utc": "1982-12-28T18:32:53Z", "ms": 409948372578.1027 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-12-27", "window": { "start": { "local": "1982-12-27T16:55:50+03:00", "utc": "1982-12-27T13:55:50Z", "ms": 409845350345.5768 }, "end": { "local": "1982-12-27T18:50:18+03:00", "utc": "1982-12-27T15:50:18Z", "ms": 409852218162.7844 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "1982-12-28", "window": { "start": { "local": "1982-12-28T16:56:30+03:00", "utc": "1982-12-28T13:56:30Z", "ms": 409931789721.427 }, "end": { "local": "1982-12-28T18:50:55+03:00", "utc": "1982-12-28T15:50:55Z", "ms": 409938654730.6618 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:30 on Tue 28 Dec to 21:33 on Tue 28 Dec.", "fact": "1982-12-27T21:29:36Z → 1982-12-28T18:32:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:56–18:50 on the 27th, 16:56–18:51 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 114 minutes on the 27th and 114 of 114 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9718 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 1982: Tuesday 28 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": "1982-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-28", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 1982 falls on Tuesday 28 December. Trayodaśī runs from 00:30 on Tue 28 Dec to 21:33 on Tue 28 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/pradosha-vrata?on=1982-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/1982/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "tradition": "smarta", "place": "95446", "year": 1982, "local_date": "1982-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2453, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1982-12-29T18:10:40+03:00", "utc": "1982-12-29T15:10:40Z", "ms": 410022639726.99677 }, "end": { "local": "1982-12-30T14:32:35+03:00", "utc": "1982-12-30T11:32:35Z", "ms": 410095955056.8327 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1982-12-29T18:10:40+03:00", "utc": "1982-12-29T15:10:40Z", "ms": 410022639726.99677 }, "end": { "local": "1982-12-30T14:32:35+03:00", "utc": "1982-12-30T11:32:35Z", "ms": 410095955056.8327 } }, "kaala": "pradosha", "days": [ { "local_date": "1982-12-29", "window": { "start": { "local": "1982-12-29T16:57:11+03:00", "utc": "1982-12-29T13:57:11Z", "ms": 410018230574.0367 }, "end": { "local": "1982-12-29T18:51:32+03:00", "utc": "1982-12-29T15:51:32Z", "ms": 410025092328.64996 } }, "covered_min": 41, "window_min": 114, "qualifies": true }, { "local_date": "1982-12-30", "window": { "start": { "local": "1982-12-30T16:57:53+03:00", "utc": "1982-12-30T13:57:53Z", "ms": 410104672863.79626 }, "end": { "local": "1982-12-30T18:52:11+03:00", "utc": "1982-12-30T15:52:11Z", "ms": 410111530920.4944 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:11 on Wed 29 Dec to 14:33 on Thu 30 Dec.", "fact": "1982-12-29T15:10:40Z → 1982-12-30T11:32:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:57–18:52 on the 29th, 16:58–18:52 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 41 of 114 minutes on the 29th and 0 of 114 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: unstated → only-day · margin 2453 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Erbil, 1982: Wednesday 29 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": "1982-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1982-12-29", "confidence": "determinate" } ], "quote": "In Erbil, Dattātreyotpatti (Datta Jayanti) 1982 falls on Wednesday 29 December. Pūrṇimā runs from 18:11 on Wed 29 Dec to 14:33 on Thu 30 Dec and covers 41 of 114 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/1982/dattatreyotpatti", "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" } }