{ "id": "/erbil/festivals/2053", "place": { "id": "95446", "slug": "erbil", "name": "Erbil", "region": "Iraq", "country": "IQ", "lat": 36.19117, "lon": 44.00943, "elevation_m": 429, "tz": "Asia/Baghdad" }, "year": 2053, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/erbil/festivals/2053/ekadashi?on=2053-01-01", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13744, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-12-31T13:44:40+03:00", "utc": "2052-12-31T10:44:40Z", "ms": 2619254679929.6416 }, "end": { "local": "2053-01-01T11:04:29+03:00", "utc": "2053-01-01T08:04:29Z", "ms": 2619331469117.968 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-31T13:44:40+03:00", "utc": "2052-12-31T10:44:40Z", "ms": 2619254679929.6416 }, "end": { "local": "2053-01-01T11:04:29+03:00", "utc": "2053-01-01T08:04:29Z", "ms": 2619331469117.968 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-12-31", "window": { "start": { "local": "2052-12-31T07:15:15+03:00", "utc": "2052-12-31T04:15:15Z", "ms": 2619231314710.5747 }, "end": { "local": "2052-12-31T07:15:15+03:00", "utc": "2052-12-31T04:15:15Z", "ms": 2619231314710.5747 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-01-01", "window": { "start": { "local": "2053-01-01T07:15:25+03:00", "utc": "2053-01-01T04:15:25Z", "ms": 2619317725418.3594 }, "end": { "local": "2053-01-01T07:15:25+03:00", "utc": "2053-01-01T04:15:25Z", "ms": 2619317725418.3594 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:45 on Tue 31 Dec to 11:04 on Wed 1 Jan.", "fact": "2052-12-31T10:44:40Z → 2053-01-01T08:04:29Z" }, { "step": "kaala", "text": "Sunrise is at 07:15 on the 31st and 07:15 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.", "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 13744 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Erbil, 2053: Wednesday 1 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": "2053-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-01", "confidence": "determinate" } ], "quote": "In Erbil, Putradā Ekādaśī 2053 falls on Wednesday 1 January. Ekādaśī runs from 13:45 on Tue 31 Dec to 11:04 on Wed 1 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-01-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32883, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-01-02T07:52:51+03:00", "utc": "2053-01-02T04:52:51Z", "ms": 2619406371132.813 }, "end": { "local": "2053-01-03T04:18:48+03:00", "utc": "2053-01-03T01:18:48Z", "ms": 2619479927898.5186 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-01-02T07:52:51+03:00", "utc": "2053-01-02T04:52:51Z", "ms": 2619406371132.813 }, "end": { "local": "2053-01-03T04:18:48+03:00", "utc": "2053-01-03T01:18:48Z", "ms": 2619479927898.5186 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-01-02", "window": { "start": { "local": "2053-01-02T17:00:55+03:00", "utc": "2053-01-02T14:00:55Z", "ms": 2619439254606.635 }, "end": { "local": "2053-01-02T18:54:53+03:00", "utc": "2053-01-02T15:54:53Z", "ms": 2619446092788.183 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2053-01-03", "window": { "start": { "local": "2053-01-03T17:01:43+03:00", "utc": "2053-01-03T14:01:43Z", "ms": 2619525703377.1987 }, "end": { "local": "2053-01-03T18:55:36+03:00", "utc": "2053-01-03T15:55:36Z", "ms": 2619532535699.7017 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:53 on Thu 2 Jan to 04:19 on Fri 3 Jan.", "fact": "2053-01-02T04:52:51Z → 2053-01-03T01:18:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:55 on the 2nd, 17:02–18:56 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 114 of 114 minutes on the 2nd and 0 of 114 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 32883 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Thursday 2 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": "2053-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-02", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Thursday 2 January. Trayodaśī runs from 07:53 on Thu 2 Jan to 04:19 on Fri 3 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-01-02", "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/2053/sankashta-chaturthi?on=2053-01-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32985, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-01-07T11:18:13+03:00", "utc": "2053-01-07T08:18:13Z", "ms": 2619850692894.3467 }, "end": { "local": "2053-01-08T09:21:07+03:00", "utc": "2053-01-08T06:21:07Z", "ms": 2619930066950.112 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-07T11:18:13+03:00", "utc": "2053-01-07T08:18:13Z", "ms": 2619850692894.3467 }, "end": { "local": "2053-01-08T09:21:07+03:00", "utc": "2053-01-08T06:21:07Z", "ms": 2619930066950.112 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-01-07", "window": { "start": { "local": "2053-01-07T20:27:58+03:00", "utc": "2053-01-07T17:27:58Z", "ms": 2619883677881.453 }, "end": { "local": "2053-01-07T20:27:58+03:00", "utc": "2053-01-07T17:27:58Z", "ms": 2619883677881.453 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-01-08", "window": { "start": { "local": "2053-01-08T21:32:21+03:00", "utc": "2053-01-08T18:32:21Z", "ms": 2619973941298.0215 }, "end": { "local": "2053-01-08T21:32:21+03:00", "utc": "2053-01-08T18:32:21Z", "ms": 2619973941298.0215 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:18 on Tue 7 Jan to 09:21 on Wed 8 Jan.", "fact": "2053-01-07T08:18:13Z → 2053-01-08T06:21:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:28 on the 7th and 21:32 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32985 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Tuesday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-07", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Tuesday 7 January. Caturthī runs from 11:18 on Tue 7 Jan to 09:21 on Wed 8 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-01-07", "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/2053/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23342, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-02-12T23:44:31+03:00", "utc": "2053-02-12T20:44:31Z", "ms": 2623005870900.666 } }, "span": { "of": "transit", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 } }, "kaala": "sunset-day", "days": [ { "local_date": "2053-01-14", "window": { "start": { "local": "2053-01-13T17:10:47+03:00", "utc": "2053-01-13T14:10:47Z", "ms": 2620390247342.402 }, "end": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2053-01-15", "window": { "start": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 }, "end": { "local": "2053-01-15T17:12:46+03:00", "utc": "2053-01-15T14:12:46Z", "ms": 2620563165962.028 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2053-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:43 on Tue 14 Jan.", "fact": "2053-01-14T07:42:44Z · 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 17:12, and the day of the 15th ends at 17:13.", "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 23342 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Erbil, 2053: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2053-01-13", "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": "2053-01-13", "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, Bhogi 2053 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 10:43 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23342, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-02-12T23:44:31+03:00", "utc": "2053-02-12T20:44:31Z", "ms": 2623005870900.666 } }, "span": { "of": "transit", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 } }, "kaala": "sunset-day", "days": [ { "local_date": "2053-01-14", "window": { "start": { "local": "2053-01-13T17:10:47+03:00", "utc": "2053-01-13T14:10:47Z", "ms": 2620390247342.402 }, "end": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2053-01-15", "window": { "start": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 }, "end": { "local": "2053-01-15T17:12:46+03:00", "utc": "2053-01-15T14:12:46Z", "ms": 2620563165962.028 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:43 on Tue 14 Jan.", "fact": "2053-01-14T07:42:44Z · 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 17:12, and the day of the 15th ends at 17:13.", "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 23342 s" }, { "step": "ruling", "text": "Pongal, Erbil, 2053: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2053-01-14", "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": "2053-01-14", "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, Pongal 2053 falls on Tuesday 14 January. The Sun enters Makara at 10:43 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38564, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-02-12T23:44:31+03:00", "utc": "2053-02-12T20:44:31Z", "ms": 2623005870900.666 } }, "span": { "of": "transit", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 } }, "kaala": "civil-day", "days": [ { "local_date": "2053-01-13", "window": { "start": { "local": "2053-01-13T00:00:00+03:00", "utc": "2053-01-12T21:00:00Z", "ms": 2620328400000 }, "end": { "local": "2053-01-14T00:00:00+03:00", "utc": "2053-01-13T21:00:00Z", "ms": 2620414800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2053-01-14", "window": { "start": { "local": "2053-01-14T00:00:00+03:00", "utc": "2053-01-13T21:00:00Z", "ms": 2620414800000 }, "end": { "local": "2053-01-15T00:00:00+03:00", "utc": "2053-01-14T21:00:00Z", "ms": 2620501200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:43 on Tue 14 Jan.", "fact": "2053-01-14T07:42:44Z · 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 38564 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Erbil, 2053: Tuesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2053-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2053-01-14", "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 2053 falls on Tuesday 14 January. The Sun enters Makara at 10:43 on Tue 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23342, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-02-12T23:44:31+03:00", "utc": "2053-02-12T20:44:31Z", "ms": 2623005870900.666 } }, "span": { "of": "transit", "start": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 }, "end": { "local": "2053-01-14T10:42:44+03:00", "utc": "2053-01-14T07:42:44Z", "ms": 2620453364168.171 } }, "kaala": "sunset-day", "days": [ { "local_date": "2053-01-14", "window": { "start": { "local": "2053-01-13T17:10:47+03:00", "utc": "2053-01-13T14:10:47Z", "ms": 2620390247342.402 }, "end": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2053-01-15", "window": { "start": { "local": "2053-01-14T17:11:46+03:00", "utc": "2053-01-14T14:11:46Z", "ms": 2620476706333.5117 }, "end": { "local": "2053-01-15T17:12:46+03:00", "utc": "2053-01-15T14:12:46Z", "ms": 2620563165962.028 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2053-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 10:43 on Tue 14 Jan.", "fact": "2053-01-14T07:42:44Z · 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 17:12, and the day of the 15th ends at 17:13.", "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 23342 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Erbil, 2053: Wednesday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2053-01-15", "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": "2053-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Erbil, Mattu Pongal 2053 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 10:43 on Tue 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-01-15", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25414, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-01-14T14:18:20+03:00", "utc": "2053-01-14T11:18:20Z", "ms": 2620466299794.0464 }, "end": { "local": "2053-01-15T16:53:59+03:00", "utc": "2053-01-15T13:53:59Z", "ms": 2620562038719.9272 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-14T14:18:20+03:00", "utc": "2053-01-14T11:18:20Z", "ms": 2620466299794.0464 }, "end": { "local": "2053-01-15T16:53:59+03:00", "utc": "2053-01-15T13:53:59Z", "ms": 2620562038719.9272 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-01-14", "window": { "start": { "local": "2053-01-14T07:14:46+03:00", "utc": "2053-01-14T04:14:46Z", "ms": 2620440885838.7812 }, "end": { "local": "2053-01-14T07:14:46+03:00", "utc": "2053-01-14T04:14:46Z", "ms": 2620440885838.7812 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-01-15", "window": { "start": { "local": "2053-01-15T07:14:29+03:00", "utc": "2053-01-15T04:14:29Z", "ms": 2620527269094.639 }, "end": { "local": "2053-01-15T07:14:29+03:00", "utc": "2053-01-15T04:14:29Z", "ms": 2620527269094.639 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:18 on Tue 14 Jan to 16:54 on Wed 15 Jan.", "fact": "2053-01-14T11:18:20Z → 2053-01-15T13:53:59Z" }, { "step": "kaala", "text": "Sunrise is at 07:15 on the 14th and 07:14 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25414 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Erbil, 2053: Wednesday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-15", "confidence": "determinate" } ], "quote": "In Erbil, Ṣaṭtilā Ekādaśī 2053 falls on Wednesday 15 January. Ekādaśī runs from 14:18 on Tue 14 Jan to 16:54 on Wed 15 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-01-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1487, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-01-16T19:30:34+03:00", "utc": "2053-01-16T16:30:34Z", "ms": 2620657834135.874 }, "end": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-16T19:30:34+03:00", "utc": "2053-01-16T16:30:34Z", "ms": 2620657834135.874 }, "end": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-01-16", "window": { "start": { "local": "2053-01-16T17:13:46+03:00", "utc": "2053-01-16T14:13:46Z", "ms": 2620649626177.7505 }, "end": { "local": "2053-01-16T19:05:47+03:00", "utc": "2053-01-16T16:05:47Z", "ms": 2620656346665.7007 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2053-01-17", "window": { "start": { "local": "2053-01-17T17:14:47+03:00", "utc": "2053-01-17T14:14:47Z", "ms": 2620736086930.8076 }, "end": { "local": "2053-01-17T19:06:36+03:00", "utc": "2053-01-17T16:06:36Z", "ms": 2620742796319.575 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:31 on Thu 16 Jan to 21:59 on Fri 17 Jan.", "fact": "2053-01-16T16:30:34Z → 2053-01-17T18:59:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–19:06 on the 16th, 17:15–19:07 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 16th and 112 of 112 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 1487 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Friday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-17", "confidence": "boundary" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Friday 17 January. Trayodaśī runs from 19:31 on Thu 16 Jan to 21:59 on Fri 17 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-01-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1435, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 }, "end": { "local": "2053-01-19T00:14:30+03:00", "utc": "2053-01-18T21:14:30Z", "ms": 2620847670472.6436 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 }, "end": { "local": "2053-01-19T00:14:30+03:00", "utc": "2053-01-18T21:14:30Z", "ms": 2620847670472.6436 } }, "kaala": "nishita", "days": [ { "local_date": "2053-01-17", "window": { "start": { "local": "2053-01-17T23:50:07+03:00", "utc": "2053-01-17T20:50:07Z", "ms": 2620759807138.6855 }, "end": { "local": "2053-01-18T00:38:07+03:00", "utc": "2053-01-17T21:38:07Z", "ms": 2620762687138.6855 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-01-18", "window": { "start": { "local": "2053-01-18T23:50:26+03:00", "utc": "2053-01-18T20:50:26Z", "ms": 2620846225568.0312 }, "end": { "local": "2053-01-19T00:38:26+03:00", "utc": "2053-01-18T21:38:26Z", "ms": 2620849105568.0312 } }, "covered_min": 24, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:59 on Fri 17 Jan to 00:15 on Sun 19 Jan.", "fact": "2053-01-17T18:59:23Z → 2053-01-18T21:14:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 17th, 23:50–00:38 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 24 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1435 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Friday 17 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-17", "confidence": "boundary" } ], "quote": "In Erbil, Śivarātri 2053 falls on Friday 17 January. Caturdaśī runs from 21:59 on Fri 17 Jan to 00:15 on Sun 19 Jan and covers all of niśītha that night. It also reaches the next night for 24 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/2053/shivaratri?on=2053-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18415, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 }, "end": { "local": "2053-01-19T00:14:30+03:00", "utc": "2053-01-18T21:14:30Z", "ms": 2620847670472.6436 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-17T21:59:23+03:00", "utc": "2053-01-17T18:59:23Z", "ms": 2620753162602.6367 }, "end": { "local": "2053-01-19T00:14:30+03:00", "utc": "2053-01-18T21:14:30Z", "ms": 2620847670472.6436 } }, "kaala": "arunodaya", "days": [ { "local_date": "2053-01-18", "window": { "start": { "local": "2053-01-18T05:21:38+03:00", "utc": "2053-01-18T02:21:38Z", "ms": 2620779697957.796 }, "end": { "local": "2053-01-18T07:13:27+03:00", "utc": "2053-01-18T04:13:27Z", "ms": 2620786407346.5635 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2053-01-19", "window": { "start": { "local": "2053-01-19T05:21:25+03:00", "utc": "2053-01-19T02:21:25Z", "ms": 2620866084991.9424 }, "end": { "local": "2053-01-19T07:13:03+03:00", "utc": "2053-01-19T04:13:03Z", "ms": 2620872782964.2734 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:59 on Fri 17 Jan to 00:15 on Sun 19 Jan.", "fact": "2053-01-17T18:59:23Z → 2053-01-18T21:14:30Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:13 on the 18th, 05:21–07:13 on the 19th.", "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 112 of 112 minutes on the 18th and 0 of 112 on the 19th.", "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 18415 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Erbil, 2053: Saturday 18 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-18", "confidence": "determinate" } ], "quote": "In Erbil, Yama Tarpaṇa 2053 falls on Saturday 18 January. Caturdaśī runs from 21:59 on Fri 17 Jan to 00:15 on Sun 19 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18865, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-01-23T06:05:52+03:00", "utc": "2053-01-23T03:05:52Z", "ms": 2621214351643.355 }, "end": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-23T06:05:52+03:00", "utc": "2053-01-23T03:05:52Z", "ms": 2621214351643.355 }, "end": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-01-23", "window": { "start": { "local": "2053-01-23T11:52:03+03:00", "utc": "2053-01-23T08:52:03Z", "ms": 2621235123414.54 }, "end": { "local": "2053-01-23T12:40:03+03:00", "utc": "2053-01-23T09:40:03Z", "ms": 2621238003414.54 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-01-24", "window": { "start": { "local": "2053-01-24T11:52:18+03:00", "utc": "2053-01-24T08:52:18Z", "ms": 2621321538196.896 }, "end": { "local": "2053-01-24T12:40:18+03:00", "utc": "2053-01-24T09:40:18Z", "ms": 2621324418196.896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:06 on Thu 23 Jan to 06:38 on Fri 24 Jan.", "fact": "2053-01-23T03:05:52Z → 2053-01-24T03:37:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 23rd, 11:52–12:40 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18865 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Erbil, 2053: Thursday 23 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": "2053-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-23", "confidence": "determinate" } ], "quote": "In Erbil, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2053 falls on Thursday 23 January. Caturthī runs from 06:06 on Thu 23 Jan to 06:38 on Fri 24 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38650, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-01-23T06:05:52+03:00", "utc": "2053-01-23T03:05:52Z", "ms": 2621214351643.355 }, "end": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-23T06:05:52+03:00", "utc": "2053-01-23T03:05:52Z", "ms": 2621214351643.355 }, "end": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-01-23", "window": { "start": { "local": "2053-01-23T17:21:00+03:00", "utc": "2053-01-23T14:21:00Z", "ms": 2621254860018.001 }, "end": { "local": "2053-01-23T19:11:36+03:00", "utc": "2053-01-23T16:11:36Z", "ms": 2621261496442.117 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "2053-01-24", "window": { "start": { "local": "2053-01-24T17:22:03+03:00", "utc": "2053-01-24T14:22:03Z", "ms": 2621341323194.9194 }, "end": { "local": "2053-01-24T19:12:26+03:00", "utc": "2053-01-24T16:12:26Z", "ms": 2621347946474.8203 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:06 on Thu 23 Jan to 06:38 on Fri 24 Jan.", "fact": "2053-01-23T03:05:52Z → 2053-01-24T03:37:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:12 on the 23rd, 17:22–19:12 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 111 of 111 minutes on the 23rd and 0 of 110 on the 24th.", "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 38650 s" }, { "step": "ruling", "text": "Tila Caturthī, Erbil, 2053: Thursday 23 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": "2053-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-23", "confidence": "determinate" } ], "quote": "In Erbil, Tila Caturthī 2053 falls on Thursday 23 January. Caturthī runs from 06:06 on Thu 23 Jan to 06:38 on Fri 24 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18572, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "end": { "local": "2053-01-25T06:43:00+03:00", "utc": "2053-01-25T03:43:00Z", "ms": 2621389380227.835 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "end": { "local": "2053-01-25T06:43:00+03:00", "utc": "2053-01-25T03:43:00Z", "ms": 2621389380227.835 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-01-24", "window": { "start": { "local": "2053-01-24T11:52:18+03:00", "utc": "2053-01-24T08:52:18Z", "ms": 2621321538196.896 }, "end": { "local": "2053-01-24T12:40:18+03:00", "utc": "2053-01-24T09:40:18Z", "ms": 2621324418196.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-01-25", "window": { "start": { "local": "2053-01-25T11:52:32+03:00", "utc": "2053-01-25T08:52:32Z", "ms": 2621407952167.471 }, "end": { "local": "2053-01-25T12:40:32+03:00", "utc": "2053-01-25T09:40:32Z", "ms": 2621410832167.471 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:38 on Fri 24 Jan to 06:43 on Sat 25 Jan.", "fact": "2053-01-24T03:37:53Z → 2053-01-25T03:43:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:53–12:41 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18572 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Erbil, 2053: Friday 24 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": "2053-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-24", "confidence": "determinate" } ], "quote": "In Erbil, Śrī Pañcamī 2053 falls on Friday 24 January. Pañcamī runs from 06:38 on Fri 24 Jan to 06:43 on Sat 25 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18572, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "end": { "local": "2053-01-25T06:43:00+03:00", "utc": "2053-01-25T03:43:00Z", "ms": 2621389380227.835 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-24T06:37:53+03:00", "utc": "2053-01-24T03:37:53Z", "ms": 2621302673128.271 }, "end": { "local": "2053-01-25T06:43:00+03:00", "utc": "2053-01-25T03:43:00Z", "ms": 2621389380227.835 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-01-24", "window": { "start": { "local": "2053-01-24T11:52:18+03:00", "utc": "2053-01-24T08:52:18Z", "ms": 2621321538196.896 }, "end": { "local": "2053-01-24T12:40:18+03:00", "utc": "2053-01-24T09:40:18Z", "ms": 2621324418196.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-01-25", "window": { "start": { "local": "2053-01-25T11:52:32+03:00", "utc": "2053-01-25T08:52:32Z", "ms": 2621407952167.471 }, "end": { "local": "2053-01-25T12:40:32+03:00", "utc": "2053-01-25T09:40:32Z", "ms": 2621410832167.471 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 06:38 on Fri 24 Jan to 06:43 on Sat 25 Jan.", "fact": "2053-01-24T03:37:53Z → 2053-01-25T03:43:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:53–12:41 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18572 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Erbil, 2053: Friday 24 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": "2053-01-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-24", "confidence": "determinate" } ], "quote": "In Erbil, Vasanta Pañcamī 2053 falls on Friday 24 January. Pañcamī runs from 06:38 on Fri 24 Jan to 06:43 on Sat 25 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-26", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 197, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-01-26T06:18:27+03:00", "utc": "2053-01-26T03:18:27Z", "ms": 2621474306560.7876 }, "end": { "local": "2053-01-27T05:22:03+03:00", "utc": "2053-01-27T02:22:03Z", "ms": 2621557322839.251 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-26T06:18:27+03:00", "utc": "2053-01-26T03:18:27Z", "ms": 2621474306560.7876 }, "end": { "local": "2053-01-27T05:22:03+03:00", "utc": "2053-01-27T02:22:03Z", "ms": 2621557322839.251 } }, "kaala": "arunodaya", "days": [ { "local_date": "2053-01-26", "window": { "start": { "local": "2053-01-26T05:19:11+03:00", "utc": "2053-01-26T02:19:11Z", "ms": 2621470750741.008 }, "end": { "local": "2053-01-26T07:09:21+03:00", "utc": "2053-01-26T04:09:21Z", "ms": 2621477360617.9683 } }, "covered_min": 51, "window_min": 110, "qualifies": true }, { "local_date": "2053-01-27", "window": { "start": { "local": "2053-01-27T05:18:45+03:00", "utc": "2053-01-27T02:18:45Z", "ms": 2621557125469.2373 }, "end": { "local": "2053-01-27T07:08:42+03:00", "utc": "2053-01-27T04:08:42Z", "ms": 2621563721692.809 } }, "covered_min": 3, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:18 on Sun 26 Jan to 05:22 on Mon 27 Jan.", "fact": "2053-01-26T03:18:27Z → 2053-01-27T02:22:03Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:19–07:09 on the 26th, 05:19–07:09 on the 27th.", "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 51 of 110 minutes on the 26th and 3 of 110 on the 27th.", "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 197 s < 300 s" }, { "step": "ruling", "text": "Ratha Saptamī, Erbil, 2053: Sunday 26 January.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "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": "2053-01-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-26", "confidence": "boundary" } ], "quote": "In Erbil, Ratha Saptamī 2053 falls on Sunday 26 January. Saptamī runs from 06:18 on Sun 26 Jan to 05:22 on Mon 27 Jan and covers 51 of 110 minutes of aruṇodaya that dawn. It also reaches the next dawn for 3 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-01-30", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27776, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-01-29T23:23:38+03:00", "utc": "2053-01-29T20:23:38Z", "ms": 2621795018266.47 }, "end": { "local": "2053-01-30T20:31:55+03:00", "utc": "2053-01-30T17:31:55Z", "ms": 2621871115033.9385 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-29T23:23:38+03:00", "utc": "2053-01-29T20:23:38Z", "ms": 2621795018266.47 }, "end": { "local": "2053-01-30T20:31:55+03:00", "utc": "2053-01-30T17:31:55Z", "ms": 2621871115033.9385 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-01-30", "window": { "start": { "local": "2053-01-30T07:06:35+03:00", "utc": "2053-01-30T04:06:35Z", "ms": 2621822794675.526 }, "end": { "local": "2053-01-30T07:06:35+03:00", "utc": "2053-01-30T04:06:35Z", "ms": 2621822794675.526 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-01-31", "window": { "start": { "local": "2053-01-31T07:05:49+03:00", "utc": "2053-01-31T04:05:49Z", "ms": 2621909149015.5825 }, "end": { "local": "2053-01-31T07:05:49+03:00", "utc": "2053-01-31T04:05:49Z", "ms": 2621909149015.5825 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:24 on Wed 29 Jan to 20:32 on Thu 30 Jan.", "fact": "2053-01-29T20:23:38Z → 2053-01-30T17:31:55Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 30th and 07:06 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27776 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Erbil, 2053: Thursday 30 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": "2053-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-30", "confidence": "determinate" } ], "quote": "In Erbil, Jayā Ekādaśī 2053 falls on Thursday 30 January. Ekādaśī runs from 23:24 on Wed 29 Jan to 20:32 on Thu 30 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-01-30", "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/2053/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16970, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-01-30T20:31:55+03:00", "utc": "2053-01-30T17:31:55Z", "ms": 2621871115033.9385 }, "end": { "local": "2053-01-31T17:24:28+03:00", "utc": "2053-01-31T14:24:28Z", "ms": 2621946268464.2363 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-30T20:31:55+03:00", "utc": "2053-01-30T17:31:55Z", "ms": 2621871115033.9385 }, "end": { "local": "2053-01-31T17:24:28+03:00", "utc": "2053-01-31T14:24:28Z", "ms": 2621946268464.2363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-01-30", "window": { "start": { "local": "2053-01-30T11:53:30+03:00", "utc": "2053-01-30T08:53:30Z", "ms": 2621840009586.045 }, "end": { "local": "2053-01-30T12:41:30+03:00", "utc": "2053-01-30T09:41:30Z", "ms": 2621842889586.045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-01-31", "window": { "start": { "local": "2053-01-31T11:53:39+03:00", "utc": "2053-01-31T08:53:39Z", "ms": 2621926418560 }, "end": { "local": "2053-01-31T12:41:39+03:00", "utc": "2053-01-31T09:41:39Z", "ms": 2621929298560 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:32 on Thu 30 Jan to 17:24 on Fri 31 Jan.", "fact": "2053-01-30T17:31:55Z → 2053-01-31T14:24:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 30th, 11:54–12:42 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 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16970 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Erbil, 2053: Friday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-31", "confidence": "determinate" } ], "quote": "In Erbil, Bhīṣma Dvādaśī 2053 falls on Friday 31 January. Dvādaśī runs from 20:32 on Thu 30 Jan to 17:24 on Fri 31 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-01-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-01-31", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 300, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-01-31T17:24:28+03:00", "utc": "2053-01-31T14:24:28Z", "ms": 2621946268464.2363 }, "end": { "local": "2053-02-01T14:09:53+03:00", "utc": "2053-02-01T11:09:53Z", "ms": 2622020993441.0083 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-01-31T17:24:28+03:00", "utc": "2053-01-31T14:24:28Z", "ms": 2621946268464.2363 }, "end": { "local": "2053-02-01T14:09:53+03:00", "utc": "2053-02-01T11:09:53Z", "ms": 2622020993441.0083 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-01-31", "window": { "start": { "local": "2053-01-31T17:29:28+03:00", "utc": "2053-01-31T14:29:28Z", "ms": 2621946568104.417 }, "end": { "local": "2053-01-31T19:18:13+03:00", "utc": "2053-01-31T16:18:13Z", "ms": 2621953092589.962 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2053-02-01", "window": { "start": { "local": "2053-02-01T17:30:32+03:00", "utc": "2053-02-01T14:30:32Z", "ms": 2622033031653.9634 }, "end": { "local": "2053-02-01T19:19:01+03:00", "utc": "2053-02-01T16:19:01Z", "ms": 2622039541153.3354 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:24 on Fri 31 Jan to 14:10 on Sat 1 Feb.", "fact": "2053-01-31T14:24:28Z → 2053-02-01T11:09:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:29–19:18 on the 31st, 17:31–19:19 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 109 of 109 minutes on the 31st and 0 of 108 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 300 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Friday 31 January.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-01-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-01-31", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Friday 31 January. Trayodaśī runs from 17:24 on Fri 31 Jan to 14:10 on Sat 1 Feb and covers all of pradoṣa that evening. It is 5 min 00 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3372, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-02-02T10:57:42+03:00", "utc": "2053-02-02T07:57:42Z", "ms": 2622095861806.5425 }, "end": { "local": "2053-02-03T07:57:54+03:00", "utc": "2053-02-03T04:57:54Z", "ms": 2622171474025.5664 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2053-02-02T10:57:42+03:00", "utc": "2053-02-02T07:57:42Z", "ms": 2622095861806.5425 }, "end": { "local": "2053-02-03T07:57:54+03:00", "utc": "2053-02-03T04:57:54Z", "ms": 2622171474025.5664 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-02-02", "window": { "start": { "local": "2053-02-02T11:53:54+03:00", "utc": "2053-02-02T08:53:54Z", "ms": 2622099234011.2935 }, "end": { "local": "2053-02-02T12:41:54+03:00", "utc": "2053-02-02T09:41:54Z", "ms": 2622102114011.2935 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-02-03", "window": { "start": { "local": "2053-02-03T11:54:01+03:00", "utc": "2053-02-03T08:54:01Z", "ms": 2622185640500.8027 }, "end": { "local": "2053-02-03T12:42:01+03:00", "utc": "2053-02-03T09:42:01Z", "ms": 2622188520500.8027 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:58 on Sun 2 Feb to 07:58 on Mon 3 Feb.", "fact": "2053-02-02T07:57:42Z → 2053-02-03T04:57:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 2nd, 11:54–12:42 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3372 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Erbil, 2053: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-02", "confidence": "determinate" } ], "quote": "In Erbil, Māghī Pūrṇimā 2053 falls on Sunday 2 February. Pūrṇimā runs from 10:58 on Sun 2 Feb to 07:58 on Mon 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-02-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13859, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-02-06T01:48:53+03:00", "utc": "2053-02-05T22:48:53Z", "ms": 2622408533085.077 }, "end": { "local": "2053-02-07T01:08:35+03:00", "utc": "2053-02-06T22:08:35Z", "ms": 2622492515065.4854 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-06T01:48:53+03:00", "utc": "2053-02-05T22:48:53Z", "ms": 2622408533085.077 }, "end": { "local": "2053-02-07T01:08:35+03:00", "utc": "2053-02-06T22:08:35Z", "ms": 2622492515065.4854 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-02-05", "window": { "start": { "local": "2053-02-05T20:15:23+03:00", "utc": "2053-02-05T17:15:23Z", "ms": 2622388523426.616 }, "end": { "local": "2053-02-05T20:15:23+03:00", "utc": "2053-02-05T17:15:23Z", "ms": 2622388523426.616 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-02-06", "window": { "start": { "local": "2053-02-06T21:17:36+03:00", "utc": "2053-02-06T18:17:36Z", "ms": 2622478656477.9644 }, "end": { "local": "2053-02-06T21:17:36+03:00", "utc": "2053-02-06T18:17:36Z", "ms": 2622478656477.9644 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:49 on Thu 6 Feb to 01:09 on Fri 7 Feb.", "fact": "2053-02-05T22:48:53Z → 2053-02-06T22:08:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 5th and 21:18 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 13859 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Thursday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-06", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Thursday 6 February. Caturthī runs from 01:49 on Thu 6 Feb to 01:09 on Fri 7 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-02-14", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14656, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-02-13T10:57:57+03:00", "utc": "2053-02-13T07:57:57Z", "ms": 2623046276954.9727 }, "end": { "local": "2053-02-14T13:24:39+03:00", "utc": "2053-02-14T10:24:39Z", "ms": 2623141479140.5615 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-13T10:57:57+03:00", "utc": "2053-02-13T07:57:57Z", "ms": 2623046276954.9727 }, "end": { "local": "2053-02-14T13:24:39+03:00", "utc": "2053-02-14T10:24:39Z", "ms": 2623141479140.5615 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-02-13", "window": { "start": { "local": "2053-02-13T06:53:41+03:00", "utc": "2053-02-13T03:53:41Z", "ms": 2623031621055.9033 }, "end": { "local": "2053-02-13T06:53:41+03:00", "utc": "2053-02-13T03:53:41Z", "ms": 2623031621055.9033 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-02-14", "window": { "start": { "local": "2053-02-14T06:52:36+03:00", "utc": "2053-02-14T03:52:36Z", "ms": 2623117955874.978 }, "end": { "local": "2053-02-14T06:52:36+03:00", "utc": "2053-02-14T03:52:36Z", "ms": 2623117955874.978 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:58 on Thu 13 Feb to 13:25 on Fri 14 Feb.", "fact": "2053-02-13T07:57:57Z → 2053-02-14T10:24:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 13th and 06:53 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14656 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Erbil, 2053: Friday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-14", "confidence": "determinate" } ], "quote": "In Erbil, Vijayā Ekādaśī 2053 falls on Friday 14 February. Ekādaśī runs from 10:58 on Thu 13 Feb to 13:25 on Fri 14 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-02-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-02-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1503, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-02-15T15:34:36+03:00", "utc": "2053-02-15T12:34:36Z", "ms": 2623235675761.702 }, "end": { "local": "2053-02-16T17:21:03+03:00", "utc": "2053-02-16T14:21:03Z", "ms": 2623328462515.677 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-15T15:34:36+03:00", "utc": "2053-02-15T12:34:36Z", "ms": 2623235675761.702 }, "end": { "local": "2053-02-16T17:21:03+03:00", "utc": "2053-02-16T14:21:03Z", "ms": 2623328462515.677 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-02-15", "window": { "start": { "local": "2053-02-15T17:45:05+03:00", "utc": "2053-02-15T14:45:05Z", "ms": 2623243505197.646 }, "end": { "local": "2053-02-15T19:29:47+03:00", "utc": "2053-02-15T16:29:47Z", "ms": 2623249787449.466 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2053-02-16", "window": { "start": { "local": "2053-02-16T17:46:06+03:00", "utc": "2053-02-16T14:46:06Z", "ms": 2623329965831.2075 }, "end": { "local": "2053-02-16T19:30:31+03:00", "utc": "2053-02-16T16:30:31Z", "ms": 2623336230858.9746 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:35 on Sat 15 Feb to 17:21 on Sun 16 Feb.", "fact": "2053-02-15T12:34:36Z → 2053-02-16T14:21:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:30 on the 15th, 17:46–19:31 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 15th and 0 of 104 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1503 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Saturday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-15", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Saturday 15 February. Trayodaśī runs from 15:35 on Sat 15 Feb to 17:21 on Sun 16 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18790, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-02-16T17:21:03+03:00", "utc": "2053-02-16T14:21:03Z", "ms": 2623328462515.677 }, "end": { "local": "2053-02-17T18:40:25+03:00", "utc": "2053-02-17T15:40:25Z", "ms": 2623419624770.955 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-16T17:21:03+03:00", "utc": "2053-02-16T14:21:03Z", "ms": 2623328462515.677 }, "end": { "local": "2053-02-17T18:40:25+03:00", "utc": "2053-02-17T15:40:25Z", "ms": 2623419624770.955 } }, "kaala": "nishita", "days": [ { "local_date": "2053-02-16", "window": { "start": { "local": "2053-02-16T23:53:40+03:00", "utc": "2053-02-16T20:53:40Z", "ms": 2623352019685.334 }, "end": { "local": "2053-02-17T00:41:40+03:00", "utc": "2053-02-16T21:41:40Z", "ms": 2623354899685.334 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-02-17", "window": { "start": { "local": "2053-02-17T23:53:35+03:00", "utc": "2053-02-17T20:53:35Z", "ms": 2623438415046.0347 }, "end": { "local": "2053-02-18T00:41:35+03:00", "utc": "2053-02-17T21:41:35Z", "ms": 2623441295046.0347 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:21 on Sun 16 Feb to 18:40 on Mon 17 Feb.", "fact": "2053-02-16T14:21:03Z → 2053-02-17T15:40:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 16th, 23:54–00:42 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 18790 s" }, { "step": "ruling", "text": "Mahāśivarātri, Erbil, 2053: Sunday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-16", "confidence": "determinate" } ], "quote": "In Erbil, Mahāśivarātri 2053 falls on Sunday 16 February. Caturdaśī runs from 17:21 on Sun 16 Feb to 18:40 on Mon 17 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-02-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21355, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-02-21T19:26:39+03:00", "utc": "2053-02-21T16:26:39Z", "ms": 2623767998780.536 }, "end": { "local": "2053-02-22T18:37:34+03:00", "utc": "2053-02-22T15:37:34Z", "ms": 2623851454267.1743 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-21T19:26:39+03:00", "utc": "2053-02-21T16:26:39Z", "ms": 2623767998780.536 }, "end": { "local": "2053-02-22T18:37:34+03:00", "utc": "2053-02-22T15:37:34Z", "ms": 2623851454267.1743 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-02-21", "window": { "start": { "local": "2053-02-21T11:53:47+03:00", "utc": "2053-02-21T08:53:47Z", "ms": 2623740826643.318 }, "end": { "local": "2053-02-21T12:41:47+03:00", "utc": "2053-02-21T09:41:47Z", "ms": 2623743706643.318 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-02-22", "window": { "start": { "local": "2053-02-22T11:53:39+03:00", "utc": "2053-02-22T08:53:39Z", "ms": 2623827219201.992 }, "end": { "local": "2053-02-22T12:41:39+03:00", "utc": "2053-02-22T09:41:39Z", "ms": 2623830099201.992 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:27 on Fri 21 Feb to 18:38 on Sat 22 Feb.", "fact": "2053-02-21T16:26:39Z → 2053-02-22T15:37:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 21st, 11:54–12:42 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21355 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Saturday 22 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": "2053-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-22", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Saturday 22 February. Caturthī runs from 19:27 on Fri 21 Feb to 18:38 on Sat 22 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-02-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-02-28", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2836, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-02-28T07:22:52+03:00", "utc": "2053-02-28T04:22:52Z", "ms": 2624329371911.666 }, "end": { "local": "2053-03-01T04:52:17+03:00", "utc": "2053-03-01T01:52:17Z", "ms": 2624406736990.865 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-02-28T07:22:52+03:00", "utc": "2053-02-28T04:22:52Z", "ms": 2624329371911.666 }, "end": { "local": "2053-03-01T04:52:17+03:00", "utc": "2053-03-01T01:52:17Z", "ms": 2624406736990.865 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-02-28", "window": { "start": { "local": "2053-02-28T06:35:36+03:00", "utc": "2053-02-28T03:35:36Z", "ms": 2624326535916.193 }, "end": { "local": "2053-02-28T06:35:36+03:00", "utc": "2053-02-28T03:35:36Z", "ms": 2624326535916.193 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-03-01", "window": { "start": { "local": "2053-03-01T06:34:17+03:00", "utc": "2053-03-01T03:34:17Z", "ms": 2624412856590.624 }, "end": { "local": "2053-03-01T06:34:17+03:00", "utc": "2053-03-01T03:34:17Z", "ms": 2624412856590.624 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:23 on Fri 28 Feb to 04:52 on Sat 1 Mar.", "fact": "2053-02-28T04:22:52Z → 2053-03-01T01:52:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:36 on the 28th and 06:34 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is not on the 1st.", "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 2836 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Erbil, 2053: Friday 28 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-02-28", "confidence": "determinate" } ], "quote": "In Erbil, Āmalakī Ekādaśī 2053 falls on Friday 28 February. Ekādaśī runs from 07:23 on Fri 28 Feb to 04:52 on Sat 1 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-02-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-03-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15693, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-03-02T02:22:59+03:00", "utc": "2053-03-01T23:22:59Z", "ms": 2624484179210.061 }, "end": { "local": "2053-03-03T00:01:28+03:00", "utc": "2053-03-02T21:01:28Z", "ms": 2624562087834.187 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-03-02T02:22:59+03:00", "utc": "2053-03-01T23:22:59Z", "ms": 2624484179210.061 }, "end": { "local": "2053-03-03T00:01:28+03:00", "utc": "2053-03-02T21:01:28Z", "ms": 2624562087834.187 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-03-01", "window": { "start": { "local": "2053-03-01T17:58:44+03:00", "utc": "2053-03-01T14:58:44Z", "ms": 2624453923890.3716 }, "end": { "local": "2053-03-01T19:39:18+03:00", "utc": "2053-03-01T16:39:18Z", "ms": 2624459957581.331 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2053-03-02", "window": { "start": { "local": "2053-03-02T17:59:40+03:00", "utc": "2053-03-02T14:59:40Z", "ms": 2624540379797.8604 }, "end": { "local": "2053-03-02T19:39:55+03:00", "utc": "2053-03-02T16:39:55Z", "ms": 2624546395277.681 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:23 on Sun 2 Mar to 00:01 on Mon 3 Mar.", "fact": "2053-03-01T23:22:59Z → 2053-03-02T21:01:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:39 on the 1st, 18:00–19:40 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 0 of 101 minutes on the 1st and 100 of 100 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15693 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Sunday 2 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": "2053-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-02", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Sunday 2 March. Trayodaśī runs from 02:23 on Sun 2 Mar to 00:01 on Mon 3 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-03-02", "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/2053/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7698, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-03-03T21:54:42+03:00", "utc": "2053-03-03T18:54:42Z", "ms": 2624640881763.756 }, "end": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-03-03T21:54:42+03:00", "utc": "2053-03-03T18:54:42Z", "ms": 2624640881763.756 }, "end": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 } }, "kaala": "sayahna", "days": [ { "local_date": "2053-03-03", "window": { "start": { "local": "2053-03-03T15:42:47+03:00", "utc": "2053-03-03T12:42:47Z", "ms": 2624618567487.412 }, "end": { "local": "2053-03-03T18:00:35+03:00", "utc": "2053-03-03T15:00:35Z", "ms": 2624626835385.136 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2053-03-04", "window": { "start": { "local": "2053-03-04T15:43:15+03:00", "utc": "2053-03-04T12:43:15Z", "ms": 2624704995450.665 }, "end": { "local": "2053-03-04T18:01:31+03:00", "utc": "2053-03-04T15:01:31Z", "ms": 2624713290664.056 } }, "covered_min": 138, "window_min": 138, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:55 on Mon 3 Mar to 20:10 on Tue 4 Mar.", "fact": "2053-03-03T18:54:42Z → 2053-03-04T17:09:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:43–18:01 on the 3rd, 15:43–18:02 on the 4th.", "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 138 minutes on the 3rd and 138 of 138 on the 4th.", "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 7698 s" }, { "step": "ruling", "text": "Holikā Dahana, Erbil, 2053: Tuesday 4 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": "2053-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-04", "confidence": "determinate" } ], "quote": "In Erbil, Holikā Dahana 2053 falls on Tuesday 4 March. Pūrṇimā runs from 21:55 on Mon 3 Mar to 20:10 on Tue 4 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7698, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-03-03T21:54:42+03:00", "utc": "2053-03-03T18:54:42Z", "ms": 2624640881763.756 }, "end": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2053-03-03T21:54:42+03:00", "utc": "2053-03-03T18:54:42Z", "ms": 2624640881763.756 }, "end": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 } }, "kaala": "sayahna", "days": [ { "local_date": "2053-03-03", "window": { "start": { "local": "2053-03-03T15:42:47+03:00", "utc": "2053-03-03T12:42:47Z", "ms": 2624618567487.412 }, "end": { "local": "2053-03-03T18:00:35+03:00", "utc": "2053-03-03T15:00:35Z", "ms": 2624626835385.136 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2053-03-04", "window": { "start": { "local": "2053-03-04T15:43:15+03:00", "utc": "2053-03-04T12:43:15Z", "ms": 2624704995450.665 }, "end": { "local": "2053-03-04T18:01:31+03:00", "utc": "2053-03-04T15:01:31Z", "ms": 2624713290664.056 } }, "covered_min": 138, "window_min": 138, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2053-03-04", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:55 on Mon 3 Mar to 20:10 on Tue 4 Mar.", "fact": "2053-03-03T18:54:42Z → 2053-03-04T17:09:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:43–18:01 on the 3rd, 15:43–18:02 on the 4th.", "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 138 minutes on the 3rd and 138 of 138 on the 4th.", "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 7698 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 4 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Erbil, 2053: Wednesday 5 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": "2053-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-05", "confidence": "determinate" } ], "quote": "In Erbil, Holī 2053 falls on Wednesday 5 March. It is kept the day after Holikā Dahana, which falls on Tuesday 4 March. Pūrṇimā runs from 21:55 on Mon 3 Mar to 20:10 on Tue 4 Mar and covers all of sāyāhna on the 4th.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37144, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 }, "end": { "local": "2053-03-05T18:53:36+03:00", "utc": "2053-03-05T15:53:36Z", "ms": 2624802815550.572 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-04T20:09:48+03:00", "utc": "2053-03-04T17:09:48Z", "ms": 2624720988318.6733 }, "end": { "local": "2053-03-05T18:53:36+03:00", "utc": "2053-03-05T15:53:36Z", "ms": 2624802815550.572 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-03-05", "window": { "start": { "local": "2053-03-05T06:28:53+03:00", "utc": "2053-03-05T03:28:53Z", "ms": 2624758132708.9033 }, "end": { "local": "2053-03-05T06:28:53+03:00", "utc": "2053-03-05T03:28:53Z", "ms": 2624758132708.9033 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-03-06", "window": { "start": { "local": "2053-03-06T06:27:30+03:00", "utc": "2053-03-06T03:27:30Z", "ms": 2624844450266.261 }, "end": { "local": "2053-03-06T06:27:30+03:00", "utc": "2053-03-06T03:27:30Z", "ms": 2624844450266.261 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:10 on Tue 4 Mar to 18:54 on Wed 5 Mar.", "fact": "2053-03-04T17:09:48Z → 2053-03-05T15:53:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 5th and 06:28 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37144 s" }, { "step": "ruling", "text": "Vasantotsava, Erbil, 2053: Wednesday 5 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": "2053-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-05", "confidence": "determinate" } ], "quote": "In Erbil, Vasantotsava 2053 falls on Wednesday 5 March. Pratipadā runs from 20:10 on Tue 4 Mar to 18:54 on Wed 5 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-03-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10285, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-03-07T18:09:06+03:00", "utc": "2053-03-07T15:09:06Z", "ms": 2624972945995.112 }, "end": { "local": "2053-03-08T18:46:49+03:00", "utc": "2053-03-08T15:46:49Z", "ms": 2625061608759.4185 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-07T18:09:06+03:00", "utc": "2053-03-07T15:09:06Z", "ms": 2624972945995.112 }, "end": { "local": "2053-03-08T18:46:49+03:00", "utc": "2053-03-08T15:46:49Z", "ms": 2625061608759.4185 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-03-07", "window": { "start": { "local": "2053-03-07T21:00:31+03:00", "utc": "2053-03-07T18:00:31Z", "ms": 2624983230556.624 }, "end": { "local": "2053-03-07T21:00:31+03:00", "utc": "2053-03-07T18:00:31Z", "ms": 2624983230556.624 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-03-08", "window": { "start": { "local": "2053-03-08T21:58:36+03:00", "utc": "2053-03-08T18:58:36Z", "ms": 2625073116025.3555 }, "end": { "local": "2053-03-08T21:58:36+03:00", "utc": "2053-03-08T18:58:36Z", "ms": 2625073116025.3555 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:09 on Fri 7 Mar to 18:47 on Sat 8 Mar.", "fact": "2053-03-07T15:09:06Z → 2053-03-08T15:46:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 7th and 21:59 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10285 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Friday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-07", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Friday 7 March. Caturthī runs from 18:09 on Fri 7 Mar to 18:47 on Sat 8 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-03-07", "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/2053/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33237, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-03-12T00:08:41+03:00", "utc": "2053-03-11T21:08:41Z", "ms": 2625340121252.8594 }, "end": { "local": "2053-03-13T02:35:41+03:00", "utc": "2053-03-12T23:35:41Z", "ms": 2625435341138.572 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-12T00:08:41+03:00", "utc": "2053-03-11T21:08:41Z", "ms": 2625340121252.8594 }, "end": { "local": "2053-03-13T02:35:41+03:00", "utc": "2053-03-12T23:35:41Z", "ms": 2625435341138.572 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-12", "window": { "start": { "local": "2053-03-12T11:49:55+03:00", "utc": "2053-03-12T08:49:55Z", "ms": 2625382194559.365 }, "end": { "local": "2053-03-12T12:37:55+03:00", "utc": "2053-03-12T09:37:55Z", "ms": 2625385074559.365 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-13", "window": { "start": { "local": "2053-03-13T11:49:38+03:00", "utc": "2053-03-13T08:49:38Z", "ms": 2625468578381.965 }, "end": { "local": "2053-03-13T12:37:38+03:00", "utc": "2053-03-13T09:37:38Z", "ms": 2625471458381.965 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 00:09 on Wed 12 Mar to 02:36 on Thu 13 Mar.", "fact": "2053-03-11T21:08:41Z → 2053-03-12T23:35:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 12th, 11:50–12:38 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33237 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Erbil, 2053: Wednesday 12 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": "2053-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-12", "confidence": "determinate" } ], "quote": "In Erbil, Śītalāṣṭamī 2053 falls on Wednesday 12 March. Aṣṭamī runs from 00:09 on Wed 12 Mar to 02:36 on Thu 13 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-03-16", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3446, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-03-15T07:12:15+03:00", "utc": "2053-03-15T04:12:15Z", "ms": 2625624734680.4014 }, "end": { "local": "2053-03-16T08:57:51+03:00", "utc": "2053-03-16T05:57:51Z", "ms": 2625717471341.473 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-15T07:12:15+03:00", "utc": "2053-03-15T04:12:15Z", "ms": 2625624734680.4014 }, "end": { "local": "2053-03-16T08:57:51+03:00", "utc": "2053-03-16T05:57:51Z", "ms": 2625717471341.473 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-03-15", "window": { "start": { "local": "2053-03-15T06:14:49+03:00", "utc": "2053-03-15T03:14:49Z", "ms": 2625621288762.6646 }, "end": { "local": "2053-03-15T06:14:49+03:00", "utc": "2053-03-15T03:14:49Z", "ms": 2625621288762.6646 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-03-16", "window": { "start": { "local": "2053-03-16T06:13:23+03:00", "utc": "2053-03-16T03:13:23Z", "ms": 2625707602556.597 }, "end": { "local": "2053-03-16T06:13:23+03:00", "utc": "2053-03-16T03:13:23Z", "ms": 2625707602556.597 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:12 on Sat 15 Mar to 08:58 on Sun 16 Mar.", "fact": "2053-03-15T04:12:15Z → 2053-03-16T05:57:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 15th and 06:13 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3446 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Erbil, 2053: Sunday 16 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": "2053-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-16", "confidence": "determinate" } ], "quote": "In Erbil, Pāpamocanī Ekādaśī 2053 falls on Sunday 16 March. Ekādaśī runs from 07:12 on Sat 15 Mar to 08:58 on Sun 16 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-03-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26818, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-03-17T10:10:40+03:00", "utc": "2053-03-17T07:10:40Z", "ms": 2625808240394.6587 }, "end": { "local": "2053-03-18T10:47:01+03:00", "utc": "2053-03-18T07:47:01Z", "ms": 2625896820933.264 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-17T10:10:40+03:00", "utc": "2053-03-17T07:10:40Z", "ms": 2625808240394.6587 }, "end": { "local": "2053-03-18T10:47:01+03:00", "utc": "2053-03-18T07:47:01Z", "ms": 2625896820933.264 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-03-17", "window": { "start": { "local": "2053-03-17T18:13:07+03:00", "utc": "2053-03-17T15:13:07Z", "ms": 2625837186663.7207 }, "end": { "local": "2053-03-17T19:48:46+03:00", "utc": "2053-03-17T16:48:46Z", "ms": 2625842925714.3945 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2053-03-18", "window": { "start": { "local": "2053-03-18T18:13:59+03:00", "utc": "2053-03-18T15:13:59Z", "ms": 2625923638823.6997 }, "end": { "local": "2053-03-18T19:49:19+03:00", "utc": "2053-03-18T16:49:19Z", "ms": 2625929359352.9087 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:11 on Mon 17 Mar to 10:47 on Tue 18 Mar.", "fact": "2053-03-17T07:10:40Z → 2053-03-18T07:47:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:49 on the 17th, 18:14–19:49 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 96 of 96 minutes on the 17th and 0 of 95 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 26818 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Monday 17 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": "2053-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-17", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Monday 17 March. Trayodaśī runs from 10:11 on Mon 17 Mar to 10:47 on Tue 18 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-03-17", "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/2053/shivaratri?on=2053-03-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36663, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-03-18T10:47:01+03:00", "utc": "2053-03-18T07:47:01Z", "ms": 2625896820933.264 }, "end": { "local": "2053-03-19T10:46:34+03:00", "utc": "2053-03-19T07:46:34Z", "ms": 2625983194007.8413 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-18T10:47:01+03:00", "utc": "2053-03-18T07:47:01Z", "ms": 2625896820933.264 }, "end": { "local": "2053-03-19T10:46:34+03:00", "utc": "2053-03-19T07:46:34Z", "ms": 2625983194007.8413 } }, "kaala": "nishita", "days": [ { "local_date": "2053-03-17", "window": { "start": { "local": "2053-03-17T23:47:48+03:00", "utc": "2053-03-17T20:47:48Z", "ms": 2625857268103.747 }, "end": { "local": "2053-03-18T00:35:48+03:00", "utc": "2053-03-17T21:35:48Z", "ms": 2625860148103.747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-03-18", "window": { "start": { "local": "2053-03-18T23:47:31+03:00", "utc": "2053-03-18T20:47:31Z", "ms": 2625943650808.2334 }, "end": { "local": "2053-03-19T00:35:31+03:00", "utc": "2053-03-18T21:35:31Z", "ms": 2625946530808.2334 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:47 on Tue 18 Mar to 10:47 on Wed 19 Mar.", "fact": "2053-03-18T07:47:01Z → 2053-03-19T07:46:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 17th, 23:48–00:36 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36663 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Tuesday 18 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": "2053-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-18", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Tuesday 18 March. Caturdaśī runs from 10:47 on Tue 18 Mar to 10:47 on Wed 19 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5760, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-03-20T10:11:39+03:00", "utc": "2053-03-20T07:11:39Z", "ms": 2626067498887.4834 }, "end": { "local": "2053-03-21T09:06:23+03:00", "utc": "2053-03-21T06:06:23Z", "ms": 2626149983349.5776 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-20T10:11:39+03:00", "utc": "2053-03-20T07:11:39Z", "ms": 2626067498887.4834 }, "end": { "local": "2053-03-21T09:06:23+03:00", "utc": "2053-03-21T06:06:23Z", "ms": 2626149983349.5776 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-20", "window": { "start": { "local": "2053-03-20T11:47:39+03:00", "utc": "2053-03-20T08:47:39Z", "ms": 2626073259301.9883 }, "end": { "local": "2053-03-20T12:35:39+03:00", "utc": "2053-03-20T09:35:39Z", "ms": 2626076139301.9883 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-21", "window": { "start": { "local": "2053-03-21T11:47:22+03:00", "utc": "2053-03-21T08:47:22Z", "ms": 2626159641672.0166 }, "end": { "local": "2053-03-21T12:35:22+03:00", "utc": "2053-03-21T09:35:22Z", "ms": 2626162521672.0166 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:12 on Thu 20 Mar to 09:06 on Fri 21 Mar.", "fact": "2053-03-20T07:11:39Z → 2053-03-21T06:06:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 20th, 11:47–12:35 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5760 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Erbil, 2053: Thursday 20 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": "2053-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-20", "confidence": "determinate" } ], "quote": "In Erbil, Navarātrārambha (Caitra) (Chaitra Navratri) 2053 falls on Thursday 20 March. Pratipadā runs from 10:12 on Thu 20 Mar to 09:06 on Fri 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15066, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-03-22T07:35:58+03:00", "utc": "2053-03-22T04:35:58Z", "ms": 2626230958284.772 }, "end": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-22T07:35:58+03:00", "utc": "2053-03-22T04:35:58Z", "ms": 2626230958284.772 }, "end": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-22", "window": { "start": { "local": "2053-03-22T11:47:04+03:00", "utc": "2053-03-22T08:47:04Z", "ms": 2626246023937.5073 }, "end": { "local": "2053-03-22T12:35:04+03:00", "utc": "2053-03-22T09:35:04Z", "ms": 2626248903937.5073 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-23", "window": { "start": { "local": "2053-03-23T11:46:46+03:00", "utc": "2053-03-23T08:46:46Z", "ms": 2626332406114.4814 }, "end": { "local": "2053-03-23T12:34:46+03:00", "utc": "2053-03-23T09:34:46Z", "ms": 2626335286114.4814 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:36 on Sat 22 Mar to 05:46 on Sun 23 Mar.", "fact": "2053-03-22T04:35:58Z → 2053-03-23T02:46:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 22nd, 11:47–12:35 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 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: unstated → only-day · margin 15066 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Erbil, 2053: Saturday 22 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": "2053-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-22", "confidence": "determinate" } ], "quote": "In Erbil, Gaurī Tṛtīyā (Gangaur) 2053 falls on Saturday 22 March. Tṛtīyā runs from 07:36 on Sat 22 Mar to 05:46 on Sun 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15066, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-03-22T07:35:58+03:00", "utc": "2053-03-22T04:35:58Z", "ms": 2626230958284.772 }, "end": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-22T07:35:58+03:00", "utc": "2053-03-22T04:35:58Z", "ms": 2626230958284.772 }, "end": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-22", "window": { "start": { "local": "2053-03-22T11:47:04+03:00", "utc": "2053-03-22T08:47:04Z", "ms": 2626246023937.5073 }, "end": { "local": "2053-03-22T12:35:04+03:00", "utc": "2053-03-22T09:35:04Z", "ms": 2626248903937.5073 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-23", "window": { "start": { "local": "2053-03-23T11:46:46+03:00", "utc": "2053-03-23T08:46:46Z", "ms": 2626332406114.4814 }, "end": { "local": "2053-03-23T12:34:46+03:00", "utc": "2053-03-23T09:34:46Z", "ms": 2626335286114.4814 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:36 on Sat 22 Mar to 05:46 on Sun 23 Mar.", "fact": "2053-03-22T04:35:58Z → 2053-03-23T02:46:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 22nd, 11:47–12:35 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 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 15066 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Erbil, 2053: Saturday 22 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": "2053-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-22", "confidence": "determinate" } ], "quote": "In Erbil, Saubhāgya Śayana Vrata 2053 falls on Saturday 22 March. Tṛtīyā runs from 07:36 on Sat 22 Mar to 05:46 on Sun 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-03-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21645, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 }, "end": { "local": "2053-03-24T03:42:08+03:00", "utc": "2053-03-24T00:42:08Z", "ms": 2626389728146.4053 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-23T05:46:01+03:00", "utc": "2053-03-23T02:46:01Z", "ms": 2626310761032.6484 }, "end": { "local": "2053-03-24T03:42:08+03:00", "utc": "2053-03-24T00:42:08Z", "ms": 2626389728146.4053 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-23", "window": { "start": { "local": "2053-03-23T11:46:46+03:00", "utc": "2053-03-23T08:46:46Z", "ms": 2626332406114.4814 }, "end": { "local": "2053-03-23T12:34:46+03:00", "utc": "2053-03-23T09:34:46Z", "ms": 2626335286114.4814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-24", "window": { "start": { "local": "2053-03-24T11:46:28+03:00", "utc": "2053-03-24T08:46:28Z", "ms": 2626418788219.206 }, "end": { "local": "2053-03-24T12:34:28+03:00", "utc": "2053-03-24T09:34:28Z", "ms": 2626421668219.206 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:46 on Sun 23 Mar to 03:42 on Mon 24 Mar.", "fact": "2053-03-23T02:46:01Z → 2053-03-24T00:42:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 23rd, 11:46–12:34 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21645 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Sunday 23 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": "2053-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-23", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Sunday 23 March. Caturthī runs from 05:46 on Sun 23 Mar to 03:42 on Mon 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-03-23", "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/2053/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29060, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-03-24T03:42:08+03:00", "utc": "2053-03-24T00:42:08Z", "ms": 2626389728146.4053 }, "end": { "local": "2053-03-25T01:29:37+03:00", "utc": "2053-03-24T22:29:37Z", "ms": 2626468176713.609 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-24T03:42:08+03:00", "utc": "2053-03-24T00:42:08Z", "ms": 2626389728146.4053 }, "end": { "local": "2053-03-25T01:29:37+03:00", "utc": "2053-03-24T22:29:37Z", "ms": 2626468176713.609 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-24", "window": { "start": { "local": "2053-03-24T11:46:28+03:00", "utc": "2053-03-24T08:46:28Z", "ms": 2626418788219.206 }, "end": { "local": "2053-03-24T12:34:28+03:00", "utc": "2053-03-24T09:34:28Z", "ms": 2626421668219.206 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-03-25", "window": { "start": { "local": "2053-03-25T11:46:10+03:00", "utc": "2053-03-25T08:46:10Z", "ms": 2626505170268.4854 }, "end": { "local": "2053-03-25T12:34:10+03:00", "utc": "2053-03-25T09:34:10Z", "ms": 2626508050268.4854 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:42 on Mon 24 Mar to 01:30 on Tue 25 Mar.", "fact": "2053-03-24T00:42:08Z → 2053-03-24T22:29:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 24th, 11:46–12:34 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29060 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Erbil, 2053: Monday 24 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": "2053-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-24", "confidence": "determinate" } ], "quote": "In Erbil, Lakṣmī Pañcamī 2053 falls on Monday 24 March. Pañcamī runs from 03:42 on Mon 24 Mar to 01:30 on Tue 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22286, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-03-26T20:57:09+03:00", "utc": "2053-03-26T17:57:09Z", "ms": 2626624628507.0537 }, "end": { "local": "2053-03-27T18:45:00+03:00", "utc": "2053-03-27T15:45:00Z", "ms": 2626703100074.0503 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-26T20:57:09+03:00", "utc": "2053-03-26T17:57:09Z", "ms": 2626624628507.0537 }, "end": { "local": "2053-03-27T18:45:00+03:00", "utc": "2053-03-27T15:45:00Z", "ms": 2626703100074.0503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-26", "window": { "start": { "local": "2053-03-26T11:45:52+03:00", "utc": "2053-03-26T08:45:52Z", "ms": 2626591552279.907 }, "end": { "local": "2053-03-26T12:33:52+03:00", "utc": "2053-03-26T09:33:52Z", "ms": 2626594432279.907 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-03-27", "window": { "start": { "local": "2053-03-27T11:45:34+03:00", "utc": "2053-03-27T08:45:34Z", "ms": 2626677934272.022 }, "end": { "local": "2053-03-27T12:33:34+03:00", "utc": "2053-03-27T09:33:34Z", "ms": 2626680814272.022 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:57 on Wed 26 Mar to 18:45 on Thu 27 Mar.", "fact": "2053-03-26T17:57:09Z → 2053-03-27T15:45:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 26th, 11:46–12:34 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 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22286 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Erbil, 2053: Thursday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-27", "confidence": "determinate" } ], "quote": "In Erbil, Bhavānī Utpatti 2053 falls on Thursday 27 March. Aṣṭamī runs from 20:57 on Wed 26 Mar to 18:45 on Thu 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14802, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2053-03-27T18:45:00+03:00", "utc": "2053-03-27T15:45:00Z", "ms": 2626703100074.0503 }, "end": { "local": "2053-03-28T16:39:58+03:00", "utc": "2053-03-28T13:39:58Z", "ms": 2626781997789.328 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-27T18:45:00+03:00", "utc": "2053-03-27T15:45:00Z", "ms": 2626703100074.0503 }, "end": { "local": "2053-03-28T16:39:58+03:00", "utc": "2053-03-28T13:39:58Z", "ms": 2626781997789.328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-27", "window": { "start": { "local": "2053-03-27T11:45:34+03:00", "utc": "2053-03-27T08:45:34Z", "ms": 2626677934272.022 }, "end": { "local": "2053-03-27T12:33:34+03:00", "utc": "2053-03-27T09:33:34Z", "ms": 2626680814272.022 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-03-28", "window": { "start": { "local": "2053-03-28T11:45:16+03:00", "utc": "2053-03-28T08:45:16Z", "ms": 2626764316264.415 }, "end": { "local": "2053-03-28T12:33:16+03:00", "utc": "2053-03-28T09:33:16Z", "ms": 2626767196264.415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:45 on Thu 27 Mar to 16:40 on Fri 28 Mar.", "fact": "2053-03-27T15:45:00Z → 2053-03-28T13:39:58Z" }, { "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": "Navamī 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: unstated → only-day · margin 14802 s" }, { "step": "ruling", "text": "Rāma Navamī, Erbil, 2053: Friday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-28", "confidence": "determinate" } ], "quote": "In Erbil, Rāma Navamī 2053 falls on Friday 28 March. Navamī runs from 18:45 on Thu 27 Mar to 16:40 on Fri 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-03-30", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25773, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-03-29T14:44:55+03:00", "utc": "2053-03-29T11:44:55Z", "ms": 2626861494762.2427 }, "end": { "local": "2053-03-30T13:02:39+03:00", "utc": "2053-03-30T10:02:39Z", "ms": 2626941759367.5957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-29T14:44:55+03:00", "utc": "2053-03-29T11:44:55Z", "ms": 2626861494762.2427 }, "end": { "local": "2053-03-30T13:02:39+03:00", "utc": "2053-03-30T10:02:39Z", "ms": 2626941759367.5957 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-03-29", "window": { "start": { "local": "2053-03-29T05:54:33+03:00", "utc": "2053-03-29T02:54:33Z", "ms": 2626829672666.7354 }, "end": { "local": "2053-03-29T05:54:33+03:00", "utc": "2053-03-29T02:54:33Z", "ms": 2626829672666.7354 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-03-30", "window": { "start": { "local": "2053-03-30T05:53:06+03:00", "utc": "2053-03-30T02:53:06Z", "ms": 2626915985999.448 }, "end": { "local": "2053-03-30T05:53:06+03:00", "utc": "2053-03-30T02:53:06Z", "ms": 2626915985999.448 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:45 on Sat 29 Mar to 13:03 on Sun 30 Mar.", "fact": "2053-03-29T11:44:55Z → 2053-03-30T10:02:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 29th and 05:53 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 25773 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Erbil, 2053: Sunday 30 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": "2053-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-30", "confidence": "determinate" } ], "quote": "In Erbil, Kāmadā Ekādaśī 2053 falls on Sunday 30 March. Ekādaśī runs from 14:45 on Sat 29 Mar to 13:03 on Sun 30 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 496, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-03-31T11:36:06+03:00", "utc": "2053-03-31T08:36:06Z", "ms": 2627022966279.433 }, "end": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-31T11:36:06+03:00", "utc": "2053-03-31T08:36:06Z", "ms": 2627022966279.433 }, "end": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-03-31", "window": { "start": { "local": "2053-03-31T11:44:22+03:00", "utc": "2053-03-31T08:44:22Z", "ms": 2627023462453.8135 }, "end": { "local": "2053-03-31T12:32:22+03:00", "utc": "2053-03-31T09:32:22Z", "ms": 2627026342453.8135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-04-01", "window": { "start": { "local": "2053-04-01T11:44:05+03:00", "utc": "2053-04-01T08:44:05Z", "ms": 2627109844661.703 }, "end": { "local": "2053-04-01T12:32:05+03:00", "utc": "2053-04-01T09:32:05Z", "ms": 2627112724661.703 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:36 on Mon 31 Mar to 10:28 on Tue 1 Apr.", "fact": "2053-03-31T08:36:06Z → 2053-04-01T07:28:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 496 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Erbil, 2053: Monday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-31", "confidence": "determinate" } ], "quote": "In Erbil, Anaṅga Trayodaśī 2053 falls on Monday 31 March. Trayodaśī runs from 11:36 on Mon 31 Mar to 10:28 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-03-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24539, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-03-31T11:36:06+03:00", "utc": "2053-03-31T08:36:06Z", "ms": 2627022966279.433 }, "end": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-03-31T11:36:06+03:00", "utc": "2053-03-31T08:36:06Z", "ms": 2627022966279.433 }, "end": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-03-31", "window": { "start": { "local": "2053-03-31T18:25:05+03:00", "utc": "2053-03-31T15:25:05Z", "ms": 2627047505393.3516 }, "end": { "local": "2053-03-31T19:56:26+03:00", "utc": "2053-03-31T16:56:26Z", "ms": 2627052986439.9717 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2053-04-01", "window": { "start": { "local": "2053-04-01T18:25:56+03:00", "utc": "2053-04-01T15:25:56Z", "ms": 2627133956080.4043 }, "end": { "local": "2053-04-01T19:56:59+03:00", "utc": "2053-04-01T16:56:59Z", "ms": 2627139418898.7017 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:36 on Mon 31 Mar to 10:28 on Tue 1 Apr.", "fact": "2053-03-31T08:36:06Z → 2053-04-01T07:28:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:56 on the 31st, 18:26–19:57 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 31st and 0 of 91 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 24539 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Monday 31 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": "2053-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-03-31", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Monday 31 March. Trayodaśī runs from 11:36 on Mon 31 Mar to 10:28 on Tue 1 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-03-31", "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/2053/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4541, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 }, "end": { "local": "2053-04-02T09:42:51+03:00", "utc": "2053-04-02T06:42:51Z", "ms": 2627188971365.7314 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-04-01T10:28:23+03:00", "utc": "2053-04-01T07:28:23Z", "ms": 2627105303353.903 }, "end": { "local": "2053-04-02T09:42:51+03:00", "utc": "2053-04-02T06:42:51Z", "ms": 2627188971365.7314 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-01", "window": { "start": { "local": "2053-04-01T11:44:05+03:00", "utc": "2053-04-01T08:44:05Z", "ms": 2627109844661.703 }, "end": { "local": "2053-04-01T12:32:05+03:00", "utc": "2053-04-01T09:32:05Z", "ms": 2627112724661.703 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-04-02", "window": { "start": { "local": "2053-04-02T11:43:47+03:00", "utc": "2053-04-02T08:43:47Z", "ms": 2627196226980.0728 }, "end": { "local": "2053-04-02T12:31:47+03:00", "utc": "2053-04-02T09:31:47Z", "ms": 2627199106980.0728 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:28 on Tue 1 Apr to 09:43 on Wed 2 Apr.", "fact": "2053-04-01T07:28:23Z → 2053-04-02T06:42:51Z" }, { "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": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4541 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Erbil, 2053: Tuesday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-01", "confidence": "determinate" } ], "quote": "In Erbil, Viṣṇudamanaka Caturdaśī 2053 falls on Tuesday 1 April. Caturdaśī runs from 10:28 on Tue 1 Apr to 09:43 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7256, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-04-02T09:42:51+03:00", "utc": "2053-04-02T06:42:51Z", "ms": 2627188971365.7314 }, "end": { "local": "2053-04-03T09:22:54+03:00", "utc": "2053-04-03T06:22:54Z", "ms": 2627274173977.324 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2053-04-02T09:42:51+03:00", "utc": "2053-04-02T06:42:51Z", "ms": 2627188971365.7314 }, "end": { "local": "2053-04-03T09:22:54+03:00", "utc": "2053-04-03T06:22:54Z", "ms": 2627274173977.324 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-02", "window": { "start": { "local": "2053-04-02T11:43:47+03:00", "utc": "2053-04-02T08:43:47Z", "ms": 2627196226980.0728 }, "end": { "local": "2053-04-02T12:31:47+03:00", "utc": "2053-04-02T09:31:47Z", "ms": 2627199106980.0728 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-04-03", "window": { "start": { "local": "2053-04-03T11:43:29+03:00", "utc": "2053-04-03T08:43:29Z", "ms": 2627282609431.853 }, "end": { "local": "2053-04-03T12:31:29+03:00", "utc": "2053-04-03T09:31:29Z", "ms": 2627285489431.853 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:43 on Wed 2 Apr to 09:23 on Thu 3 Apr.", "fact": "2053-04-02T06:42:51Z → 2053-04-03T06:22:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 2nd, 11:43–12:31 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7256 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Erbil, 2053: Wednesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-02", "confidence": "determinate" } ], "quote": "In Erbil, Caitrī Pūrṇimā 2053 falls on Wednesday 2 April. Pūrṇimā runs from 09:43 on Wed 2 Apr to 09:23 on Thu 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-04-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34149, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-04-06T11:22:07+03:00", "utc": "2053-04-06T08:22:07Z", "ms": 2627540527403.0986 }, "end": { "local": "2053-04-07T13:02:37+03:00", "utc": "2053-04-07T10:02:37Z", "ms": 2627632957341.6045 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-06T11:22:07+03:00", "utc": "2053-04-06T08:22:07Z", "ms": 2627540527403.0986 }, "end": { "local": "2053-04-07T13:02:37+03:00", "utc": "2053-04-07T10:02:37Z", "ms": 2627632957341.6045 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-04-06", "window": { "start": { "local": "2053-04-06T21:38:17+03:00", "utc": "2053-04-06T18:38:17Z", "ms": 2627577496847.029 }, "end": { "local": "2053-04-06T21:38:17+03:00", "utc": "2053-04-06T18:38:17Z", "ms": 2627577496847.029 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-04-07", "window": { "start": { "local": "2053-04-07T22:31:46+03:00", "utc": "2053-04-07T19:31:46Z", "ms": 2627667106126.312 }, "end": { "local": "2053-04-07T22:31:46+03:00", "utc": "2053-04-07T19:31:46Z", "ms": 2627667106126.312 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:22 on Sun 6 Apr to 13:03 on Mon 7 Apr.", "fact": "2053-04-06T08:22:07Z → 2053-04-07T10:02:37Z" }, { "step": "kaala", "text": "Moonrise is at 21:38 on the 6th and 22:32 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 34149 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Sunday 6 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": "2053-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-06", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Sunday 6 April. Caturthī runs from 11:22 on Sun 6 Apr to 13:03 on Mon 7 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1541, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2053-04-14T05:06:24+03:00", "utc": "2053-04-14T02:06:24Z", "ms": 2628209184372.4985 }, "end": { "local": "2053-05-15T01:55:20+03:00", "utc": "2053-05-14T22:55:20Z", "ms": 2630876119897.581 } }, "span": { "of": "transit", "start": { "local": "2053-04-14T05:06:24+03:00", "utc": "2053-04-14T02:06:24Z", "ms": 2628209184372.4985 }, "end": { "local": "2053-04-14T05:06:24+03:00", "utc": "2053-04-14T02:06:24Z", "ms": 2628209184372.4985 } }, "kaala": "day", "days": [ { "local_date": "2053-04-13", "window": { "start": { "local": "2053-04-13T05:33:26+03:00", "utc": "2053-04-13T02:33:26Z", "ms": 2628124406219.276 }, "end": { "local": "2053-04-14T05:32:06+03:00", "utc": "2053-04-14T02:32:06Z", "ms": 2628210725588.962 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2053-04-14", "window": { "start": { "local": "2053-04-14T05:32:06+03:00", "utc": "2053-04-14T02:32:06Z", "ms": 2628210725588.962 }, "end": { "local": "2053-04-15T05:30:46+03:00", "utc": "2053-04-15T02:30:46Z", "ms": 2628297045602.561 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 05:06 on Mon 14 Apr.", "fact": "2053-04-14T02:06:24Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:33 on the 13th, and from 05:32 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 1541 s" }, { "step": "ruling", "text": "Vaiśākhī, Erbil, 2053: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2053-04-14", "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": "2053-04-14", "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 2053 falls on Sunday 13 April. The Sun enters Meṣa at 05:06 on Mon 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-04-14", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12115, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-04-14T01:27:46+03:00", "utc": "2053-04-13T22:27:46Z", "ms": 2628196066405.2534 }, "end": { "local": "2053-04-15T02:08:51+03:00", "utc": "2053-04-14T23:08:51Z", "ms": 2628284931069.934 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-14T01:27:46+03:00", "utc": "2053-04-13T22:27:46Z", "ms": 2628196066405.2534 }, "end": { "local": "2053-04-15T02:08:51+03:00", "utc": "2053-04-14T23:08:51Z", "ms": 2628284931069.934 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-04-14", "window": { "start": { "local": "2053-04-14T05:32:06+03:00", "utc": "2053-04-14T02:32:06Z", "ms": 2628210725588.962 }, "end": { "local": "2053-04-14T05:32:06+03:00", "utc": "2053-04-14T02:32:06Z", "ms": 2628210725588.962 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-04-15", "window": { "start": { "local": "2053-04-15T05:30:46+03:00", "utc": "2053-04-15T02:30:46Z", "ms": 2628297045602.561 }, "end": { "local": "2053-04-15T05:30:46+03:00", "utc": "2053-04-15T02:30:46Z", "ms": 2628297045602.561 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:28 on Mon 14 Apr to 02:09 on Tue 15 Apr.", "fact": "2053-04-13T22:27:46Z → 2053-04-14T23:08:51Z" }, { "step": "kaala", "text": "Sunrise is at 05:32 on the 14th and 05:31 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12115 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Erbil, 2053: Monday 14 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": "2053-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-14", "confidence": "determinate" } ], "quote": "In Erbil, Varūthinī Ekādaśī 2053 falls on Monday 14 April. Ekādaśī runs from 01:28 on Mon 14 Apr to 02:09 on Tue 15 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-04-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-04-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18775, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-04-16T02:05:32+03:00", "utc": "2053-04-15T23:05:32Z", "ms": 2628371131564.1855 }, "end": { "local": "2053-04-17T01:18:10+03:00", "utc": "2053-04-16T22:18:10Z", "ms": 2628454690043.534 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-16T02:05:32+03:00", "utc": "2053-04-15T23:05:32Z", "ms": 2628371131564.1855 }, "end": { "local": "2053-04-17T01:18:10+03:00", "utc": "2053-04-16T22:18:10Z", "ms": 2628454690043.534 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-04-15", "window": { "start": { "local": "2053-04-15T18:37:48+03:00", "utc": "2053-04-15T15:37:48Z", "ms": 2628344268009.6265 }, "end": { "local": "2053-04-15T20:04:41+03:00", "utc": "2053-04-15T17:04:41Z", "ms": 2628349481113.3916 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2053-04-16", "window": { "start": { "local": "2053-04-16T18:38:39+03:00", "utc": "2053-04-16T15:38:39Z", "ms": 2628430719297.205 }, "end": { "local": "2053-04-16T20:05:15+03:00", "utc": "2053-04-16T17:05:15Z", "ms": 2628435915080.499 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:06 on Wed 16 Apr to 01:18 on Thu 17 Apr.", "fact": "2053-04-15T23:05:32Z → 2053-04-16T22:18:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:05 on the 15th, 18:39–20:05 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 15th and 87 of 87 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18775 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Wednesday 16 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": "2053-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-16", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Wednesday 16 April. Trayodaśī runs from 02:06 on Wed 16 Apr to 01:18 on Thu 17 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-04-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 678, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-04-17T01:18:10+03:00", "utc": "2053-04-16T22:18:10Z", "ms": 2628454690043.534 }, "end": { "local": "2053-04-17T23:50:28+03:00", "utc": "2053-04-17T20:50:28Z", "ms": 2628535828426.134 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-17T01:18:10+03:00", "utc": "2053-04-16T22:18:10Z", "ms": 2628454690043.534 }, "end": { "local": "2053-04-17T23:50:28+03:00", "utc": "2053-04-17T20:50:28Z", "ms": 2628535828426.134 } }, "kaala": "nishita", "days": [ { "local_date": "2053-04-16", "window": { "start": { "local": "2053-04-16T23:39:23+03:00", "utc": "2053-04-16T20:39:23Z", "ms": 2628448763484.5576 }, "end": { "local": "2053-04-17T00:27:23+03:00", "utc": "2053-04-16T21:27:23Z", "ms": 2628451643484.5576 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-04-17", "window": { "start": { "local": "2053-04-17T23:39:10+03:00", "utc": "2053-04-17T20:39:10Z", "ms": 2628535150215.3047 }, "end": { "local": "2053-04-18T00:27:10+03:00", "utc": "2053-04-17T21:27:10Z", "ms": 2628538030215.3047 } }, "covered_min": 11, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:18 on Thu 17 Apr to 23:50 on Thu 17 Apr.", "fact": "2053-04-16T22:18:10Z → 2053-04-17T20:50:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 16th, 23:39–00:27 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 11 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 678 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Thursday 17 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": "2053-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-17", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Thursday 17 April. Caturdaśī runs from 01:18 on Thu 17 Apr to 23:50 on Thu 17 Apr and covers 11 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7679, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-04-20T16:34:06+03:00", "utc": "2053-04-20T13:34:06Z", "ms": 2628768846000.6143 }, "end": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-20T16:34:06+03:00", "utc": "2053-04-20T13:34:06Z", "ms": 2628768846000.6143 }, "end": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-04-20", "window": { "start": { "local": "2053-04-20T18:42:05+03:00", "utc": "2053-04-20T15:42:05Z", "ms": 2628776525038.201 }, "end": { "local": "2053-04-20T20:07:32+03:00", "utc": "2053-04-20T17:07:32Z", "ms": 2628781652461.13 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2053-04-21", "window": { "start": { "local": "2053-04-21T18:42:57+03:00", "utc": "2053-04-21T15:42:57Z", "ms": 2628862976584.8228 }, "end": { "local": "2053-04-21T20:08:07+03:00", "utc": "2053-04-21T17:08:07Z", "ms": 2628868087169.588 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:34 on Sun 20 Apr to 13:39 on Mon 21 Apr.", "fact": "2053-04-20T13:34:06Z → 2053-04-21T10:38:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:08 on the 20th, 18:43–20:08 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 85 of 85 minutes on the 20th and 0 of 85 on the 21st.", "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 7679 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Erbil, 2053: Sunday 20 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": "2053-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-20", "confidence": "determinate" } ], "quote": "In Erbil, Paraśurāma Jayantī 2053 falls on Sunday 20 April. Tṛtīyā runs from 16:34 on Sun 20 Apr to 13:39 on Mon 21 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13750, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-04-20T16:34:06+03:00", "utc": "2053-04-20T13:34:06Z", "ms": 2628768846000.6143 }, "end": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-20T16:34:06+03:00", "utc": "2053-04-20T13:34:06Z", "ms": 2628768846000.6143 }, "end": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 } }, "kaala": "purvahna", "days": [ { "local_date": "2053-04-20", "window": { "start": { "local": "2053-04-20T05:24:16+03:00", "utc": "2053-04-20T02:24:16Z", "ms": 2628728656275.1523 }, "end": { "local": "2053-04-20T09:50:13+03:00", "utc": "2053-04-20T06:50:13Z", "ms": 2628744612529.502 } }, "covered_min": 0, "window_min": 266, "qualifies": false }, { "local_date": "2053-04-21", "window": { "start": { "local": "2053-04-21T05:23:01+03:00", "utc": "2053-04-21T02:23:01Z", "ms": 2628814980710.168 }, "end": { "local": "2053-04-21T09:49:39+03:00", "utc": "2053-04-21T06:49:39Z", "ms": 2628830979335.0527 } }, "covered_min": 267, "window_min": 267, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:34 on Sun 20 Apr to 13:39 on Mon 21 Apr.", "fact": "2053-04-20T13:34:06Z → 2053-04-21T10:38:49Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:24–09:50 on the 20th, 05:23–09:50 on the 21st.", "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 266 minutes on the 20th and 267 of 267 on the 21st.", "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 13750 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Erbil, 2053: Monday 21 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": "2053-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-21", "confidence": "determinate" } ], "quote": "In Erbil, Akṣaya Tṛtīyā 2053 falls on Monday 21 April. Tṛtīyā runs from 16:34 on Sun 20 Apr to 13:39 on Mon 21 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3353, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-04-22T10:42:54+03:00", "utc": "2053-04-22T07:42:54Z", "ms": 2628920574128.5156 }, "end": { "local": "2053-04-23T07:54:05+03:00", "utc": "2053-04-23T04:54:05Z", "ms": 2628996844907.4517 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-22T10:42:54+03:00", "utc": "2053-04-22T07:42:54Z", "ms": 2628920574128.5156 }, "end": { "local": "2053-04-23T07:54:05+03:00", "utc": "2053-04-23T04:54:05Z", "ms": 2628996844907.4517 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-22", "window": { "start": { "local": "2053-04-22T11:38:47+03:00", "utc": "2053-04-22T08:38:47Z", "ms": 2628923927064.1006 }, "end": { "local": "2053-04-22T12:26:47+03:00", "utc": "2053-04-22T09:26:47Z", "ms": 2628926807064.1006 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-04-23", "window": { "start": { "local": "2053-04-23T11:38:36+03:00", "utc": "2053-04-23T08:38:36Z", "ms": 2629010315914.4844 }, "end": { "local": "2053-04-23T12:26:36+03:00", "utc": "2053-04-23T09:26:36Z", "ms": 2629013195914.4844 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:43 on Tue 22 Apr to 07:54 on Wed 23 Apr.", "fact": "2053-04-22T07:42:54Z → 2053-04-23T04:54:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 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": "Pañcamī 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: unstated → only-day · margin 3353 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Erbil, 2053: Tuesday 22 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": "2053-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-22", "confidence": "boundary" } ], "quote": "In Erbil, Śaṅkara Jayantī 2053 falls on Tuesday 22 April. Pañcamī runs from 10:43 on Tue 22 Apr to 07:54 on Wed 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-04-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3353, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 }, "end": { "local": "2053-04-22T10:42:54+03:00", "utc": "2053-04-22T07:42:54Z", "ms": 2628920574128.5156 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-21T13:38:49+03:00", "utc": "2053-04-21T10:38:49Z", "ms": 2628844729007.824 }, "end": { "local": "2053-04-22T10:42:54+03:00", "utc": "2053-04-22T07:42:54Z", "ms": 2628920574128.5156 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-21", "window": { "start": { "local": "2053-04-21T11:38:59+03:00", "utc": "2053-04-21T08:38:59Z", "ms": 2628837538647.495 }, "end": { "local": "2053-04-21T12:26:59+03:00", "utc": "2053-04-21T09:26:59Z", "ms": 2628840418647.495 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-04-22", "window": { "start": { "local": "2053-04-22T11:38:47+03:00", "utc": "2053-04-22T08:38:47Z", "ms": 2628923927064.1006 }, "end": { "local": "2053-04-22T12:26:47+03:00", "utc": "2053-04-22T09:26:47Z", "ms": 2628926807064.1006 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:39 on Mon 21 Apr to 10:43 on Tue 22 Apr.", "fact": "2053-04-21T10:38:49Z → 2053-04-22T07:42:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 21st, 11:39–12:27 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 0 of 48 on the 22nd.", "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 3353 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Tuesday 22 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": "2053-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-22", "confidence": "boundary" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Tuesday 22 April. Caturthī runs from 13:39 on Mon 21 Apr to 10:43 on Tue 22 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-04-22", "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/2053/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22767, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-04-24T05:18:58+03:00", "utc": "2053-04-24T02:18:58Z", "ms": 2629073938368.468 }, "end": { "local": "2053-04-25T03:02:48+03:00", "utc": "2053-04-25T00:02:48Z", "ms": 2629152167641.6436 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-24T05:18:58+03:00", "utc": "2053-04-24T02:18:58Z", "ms": 2629073938368.468 }, "end": { "local": "2053-04-25T03:02:48+03:00", "utc": "2053-04-25T00:02:48Z", "ms": 2629152167641.6436 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-24", "window": { "start": { "local": "2053-04-24T11:38:25+03:00", "utc": "2053-04-24T08:38:25Z", "ms": 2629096705207.2656 }, "end": { "local": "2053-04-24T12:26:25+03:00", "utc": "2053-04-24T09:26:25Z", "ms": 2629099585207.2656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-04-25", "window": { "start": { "local": "2053-04-25T11:38:15+03:00", "utc": "2053-04-25T08:38:15Z", "ms": 2629183094951.8433 }, "end": { "local": "2053-04-25T12:26:15+03:00", "utc": "2053-04-25T09:26:15Z", "ms": 2629185974951.8433 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:19 on Thu 24 Apr to 03:03 on Fri 25 Apr.", "fact": "2053-04-24T02:18:58Z → 2053-04-25T00:02:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 24th, 11:38–12:26 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 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22767 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Erbil, 2053: Thursday 24 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": "2053-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-24", "confidence": "determinate" } ], "quote": "In Erbil, Gaṅgotpatti (Ganga Saptami) 2053 falls on Thursday 24 April. Saptamī runs from 05:19 on Thu 24 Apr to 03:03 on Fri 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-04-28", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23871, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-04-27T22:36:45+03:00", "utc": "2053-04-27T19:36:45Z", "ms": 2629395405065.7876 }, "end": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-27T22:36:45+03:00", "utc": "2053-04-27T19:36:45Z", "ms": 2629395405065.7876 }, "end": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-04-28", "window": { "start": { "local": "2053-04-28T05:14:36+03:00", "utc": "2053-04-28T02:14:36Z", "ms": 2629419276383.663 }, "end": { "local": "2053-04-28T05:14:36+03:00", "utc": "2053-04-28T02:14:36Z", "ms": 2629419276383.663 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-04-29", "window": { "start": { "local": "2053-04-29T05:13:28+03:00", "utc": "2053-04-29T02:13:28Z", "ms": 2629505608197.9995 }, "end": { "local": "2053-04-29T05:13:28+03:00", "utc": "2053-04-29T02:13:28Z", "ms": 2629505608197.9995 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:37 on Sun 27 Apr to 21:58 on Mon 28 Apr.", "fact": "2053-04-27T19:36:45Z → 2053-04-28T18:58:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 28th and 05:13 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 23871 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Erbil, 2053: Monday 28 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": "2053-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-28", "confidence": "determinate" } ], "quote": "In Erbil, Mohinī Ekādaśī 2053 falls on Monday 28 April. Ekādaśī runs from 22:37 on Sun 27 Apr to 21:58 on Mon 28 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33539, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 }, "end": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 }, "end": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-28", "window": { "start": { "local": "2053-04-28T11:37:47+03:00", "utc": "2053-04-28T08:37:47Z", "ms": 2629442267000.8154 }, "end": { "local": "2053-04-28T12:25:47+03:00", "utc": "2053-04-28T09:25:47Z", "ms": 2629445147000.8154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-04-29", "window": { "start": { "local": "2053-04-29T11:37:39+03:00", "utc": "2053-04-29T08:37:39Z", "ms": 2629528658659.25 }, "end": { "local": "2053-04-29T12:25:39+03:00", "utc": "2053-04-29T09:25:39Z", "ms": 2629531538659.25 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:58 on Mon 28 Apr to 21:45 on Tue 29 Apr.", "fact": "2053-04-28T18:58:25Z → 2053-04-29T18:44:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33539 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Erbil, 2053: Tuesday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-29", "confidence": "determinate" } ], "quote": "In Erbil, Paraśurāma Dvādaśī 2053 falls on Tuesday 29 April. Dvādaśī runs from 21:58 on Mon 28 Apr to 21:45 on Tue 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33539, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 }, "end": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-28T21:58:25+03:00", "utc": "2053-04-28T18:58:25Z", "ms": 2629479505457.5435 }, "end": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-04-28", "window": { "start": { "local": "2053-04-28T11:37:47+03:00", "utc": "2053-04-28T08:37:47Z", "ms": 2629442267000.8154 }, "end": { "local": "2053-04-28T12:25:47+03:00", "utc": "2053-04-28T09:25:47Z", "ms": 2629445147000.8154 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-04-29", "window": { "start": { "local": "2053-04-29T11:37:39+03:00", "utc": "2053-04-29T08:37:39Z", "ms": 2629528658659.25 }, "end": { "local": "2053-04-29T12:25:39+03:00", "utc": "2053-04-29T09:25:39Z", "ms": 2629531538659.25 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:58 on Mon 28 Apr to 21:45 on Tue 29 Apr.", "fact": "2053-04-28T18:58:25Z → 2053-04-29T18:44:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33539 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Erbil, 2053: Tuesday 29 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-29", "confidence": "determinate" } ], "quote": "In Erbil, Rukmiṇī Dvādaśī 2053 falls on Tuesday 29 April. Dvādaśī runs from 21:58 on Mon 28 Apr to 21:45 on Tue 29 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-04-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5508, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 }, "end": { "local": "2053-04-30T21:54:42+03:00", "utc": "2053-04-30T18:54:42Z", "ms": 2629652081683.259 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-29T21:44:37+03:00", "utc": "2053-04-29T18:44:37Z", "ms": 2629565077400.329 }, "end": { "local": "2053-04-30T21:54:42+03:00", "utc": "2053-04-30T18:54:42Z", "ms": 2629652081683.259 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-04-29", "window": { "start": { "local": "2053-04-29T18:49:49+03:00", "utc": "2053-04-29T15:49:49Z", "ms": 2629554589120.5 }, "end": { "local": "2053-04-29T20:12:49+03:00", "utc": "2053-04-29T17:12:49Z", "ms": 2629559569380.1123 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2053-04-30", "window": { "start": { "local": "2053-04-30T18:50:41+03:00", "utc": "2053-04-30T15:50:41Z", "ms": 2629641040580.867 }, "end": { "local": "2053-04-30T20:13:25+03:00", "utc": "2053-04-30T17:13:25Z", "ms": 2629646005173.1514 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:45 on Tue 29 Apr to 21:55 on Wed 30 Apr.", "fact": "2053-04-29T18:44:37Z → 2053-04-30T18:54:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:13 on the 29th, 18:51–20:13 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 83 minutes on the 29th and 83 of 83 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 5508 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Wednesday 30 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": "2053-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-04-30", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Wednesday 30 April. Trayodaśī runs from 21:45 on Tue 29 Apr to 21:55 on Wed 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-04-30", "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/2053/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6077, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-04-30T21:54:42+03:00", "utc": "2053-04-30T18:54:42Z", "ms": 2629652081683.259 }, "end": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-04-30T21:54:42+03:00", "utc": "2053-04-30T18:54:42Z", "ms": 2629652081683.259 }, "end": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-04-30", "window": { "start": { "local": "2053-04-30T18:50:41+03:00", "utc": "2053-04-30T15:50:41Z", "ms": 2629641040580.867 }, "end": { "local": "2053-04-30T20:13:25+03:00", "utc": "2053-04-30T17:13:25Z", "ms": 2629646005173.1514 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2053-05-01", "window": { "start": { "local": "2053-05-01T18:51:32+03:00", "utc": "2053-05-01T15:51:32Z", "ms": 2629727491990.511 }, "end": { "local": "2053-05-01T20:14:01+03:00", "utc": "2053-05-01T17:14:01Z", "ms": 2629732441071.0674 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:55 on Wed 30 Apr to 22:28 on Thu 1 May.", "fact": "2053-04-30T18:54:42Z → 2053-05-01T19:28:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:13 on the 30th, 18:52–20:14 on the 1st.", "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 83 minutes on the 30th and 82 of 82 on the 1st.", "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 6077 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Erbil, 2053: Thursday 1 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": "2053-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-01", "confidence": "determinate" } ], "quote": "In Erbil, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2053 falls on Thursday 1 May. Caturdaśī runs from 21:55 on Wed 30 Apr to 22:28 on Thu 1 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36173, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 }, "end": { "local": "2053-05-02T23:25:18+03:00", "utc": "2053-05-02T20:25:18Z", "ms": 2629830318398.65 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 }, "end": { "local": "2053-05-02T23:25:18+03:00", "utc": "2053-05-02T20:25:18Z", "ms": 2629830318398.65 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-01", "window": { "start": { "local": "2053-05-01T11:37:24+03:00", "utc": "2053-05-01T08:37:24Z", "ms": 2629701443506.7544 }, "end": { "local": "2053-05-01T12:25:24+03:00", "utc": "2053-05-01T09:25:24Z", "ms": 2629704323506.7544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-02", "window": { "start": { "local": "2053-05-02T11:37:17+03:00", "utc": "2053-05-02T08:37:17Z", "ms": 2629787836717.3213 }, "end": { "local": "2053-05-02T12:25:17+03:00", "utc": "2053-05-02T09:25:17Z", "ms": 2629790716717.3213 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:28 on Thu 1 May to 23:25 on Fri 2 May.", "fact": "2053-05-01T19:28:17Z → 2053-05-02T20:25:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 1st, 11:37–12:25 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36173 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Erbil, 2053: Friday 2 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": "2053-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-02", "confidence": "determinate" } ], "quote": "In Erbil, Buddha Pūrṇimā 2053 falls on Friday 2 May. Pūrṇimā runs from 22:28 on Thu 1 May to 23:25 on Fri 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36173, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 }, "end": { "local": "2053-05-02T23:25:18+03:00", "utc": "2053-05-02T20:25:18Z", "ms": 2629830318398.65 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-01T22:28:17+03:00", "utc": "2053-05-01T19:28:17Z", "ms": 2629740496804.9404 }, "end": { "local": "2053-05-02T23:25:18+03:00", "utc": "2053-05-02T20:25:18Z", "ms": 2629830318398.65 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-01", "window": { "start": { "local": "2053-05-01T11:37:24+03:00", "utc": "2053-05-01T08:37:24Z", "ms": 2629701443506.7544 }, "end": { "local": "2053-05-01T12:25:24+03:00", "utc": "2053-05-01T09:25:24Z", "ms": 2629704323506.7544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-02", "window": { "start": { "local": "2053-05-02T11:37:17+03:00", "utc": "2053-05-02T08:37:17Z", "ms": 2629787836717.3213 }, "end": { "local": "2053-05-02T12:25:17+03:00", "utc": "2053-05-02T09:25:17Z", "ms": 2629790716717.3213 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:28 on Thu 1 May to 23:25 on Fri 2 May.", "fact": "2053-05-01T19:28:17Z → 2053-05-02T20:25:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 1st, 11:37–12:25 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36173 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Erbil, 2053: Friday 2 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": "2053-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-02", "confidence": "determinate" } ], "quote": "In Erbil, Sampat Gaurī Vrata 2053 falls on Friday 2 May. Pūrṇimā runs from 22:28 on Thu 1 May to 23:25 on Fri 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-05-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26138, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-05-06T04:31:19+03:00", "utc": "2053-05-06T01:31:19Z", "ms": 2630107878981.644 }, "end": { "local": "2053-05-07T06:49:29+03:00", "utc": "2053-05-07T03:49:29Z", "ms": 2630202569437.527 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-06T04:31:19+03:00", "utc": "2053-05-06T01:31:19Z", "ms": 2630107878981.644 }, "end": { "local": "2053-05-07T06:49:29+03:00", "utc": "2053-05-07T03:49:29Z", "ms": 2630202569437.527 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-05-05", "window": { "start": { "local": "2053-05-05T21:15:41+03:00", "utc": "2053-05-05T18:15:41Z", "ms": 2630081741012.666 }, "end": { "local": "2053-05-05T21:15:41+03:00", "utc": "2053-05-05T18:15:41Z", "ms": 2630081741012.666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-05-06", "window": { "start": { "local": "2053-05-06T22:05:00+03:00", "utc": "2053-05-06T19:05:00Z", "ms": 2630171099550.2446 }, "end": { "local": "2053-05-06T22:05:00+03:00", "utc": "2053-05-06T19:05:00Z", "ms": 2630171099550.2446 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:31 on Tue 6 May to 06:49 on Wed 7 May.", "fact": "2053-05-06T01:31:19Z → 2053-05-07T03:49:29Z" }, { "step": "kaala", "text": "Moonrise is at 21:16 on the 5th and 22:05 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 26138 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Tuesday 6 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": "2053-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-06", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Tuesday 6 May. Caturthī runs from 04:31 on Tue 6 May to 06:49 on Wed 7 May and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-05-14", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40153, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-05-13T16:42:28+03:00", "utc": "2053-05-13T13:42:28Z", "ms": 2630756547718.1685 }, "end": { "local": "2053-05-14T16:08:01+03:00", "utc": "2053-05-14T13:08:01Z", "ms": 2630840881159.4053 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-13T16:42:28+03:00", "utc": "2053-05-13T13:42:28Z", "ms": 2630756547718.1685 }, "end": { "local": "2053-05-14T16:08:01+03:00", "utc": "2053-05-14T13:08:01Z", "ms": 2630840881159.4053 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-05-13", "window": { "start": { "local": "2053-05-13T04:59:38+03:00", "utc": "2053-05-13T01:59:38Z", "ms": 2630714377919.484 }, "end": { "local": "2053-05-13T04:59:38+03:00", "utc": "2053-05-13T01:59:38Z", "ms": 2630714377919.484 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-05-14", "window": { "start": { "local": "2053-05-14T04:58:49+03:00", "utc": "2053-05-14T01:58:49Z", "ms": 2630800728613.9614 }, "end": { "local": "2053-05-14T04:58:49+03:00", "utc": "2053-05-14T01:58:49Z", "ms": 2630800728613.9614 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:42 on Tue 13 May to 16:08 on Wed 14 May.", "fact": "2053-05-13T13:42:28Z → 2053-05-14T13:08:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:00 on the 13th and 04:59 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40153 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Erbil, 2053: Wednesday 14 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": "2053-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-14", "confidence": "determinate" } ], "quote": "In Erbil, Aparā Ekādaśī 2053 falls on Wednesday 14 May. Ekādaśī runs from 16:42 on Tue 13 May to 16:08 on Wed 14 May and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-05-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15501, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-05-15T14:44:58+03:00", "utc": "2053-05-15T11:44:58Z", "ms": 2630922297609.8784 }, "end": { "local": "2053-05-16T12:37:54+03:00", "utc": "2053-05-16T09:37:54Z", "ms": 2631001074013.929 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-15T14:44:58+03:00", "utc": "2053-05-15T11:44:58Z", "ms": 2630922297609.8784 }, "end": { "local": "2053-05-16T12:37:54+03:00", "utc": "2053-05-16T09:37:54Z", "ms": 2631001074013.929 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-05-15", "window": { "start": { "local": "2053-05-15T19:03:19+03:00", "utc": "2053-05-15T16:03:19Z", "ms": 2630937798526.1895 }, "end": { "local": "2053-05-15T20:22:30+03:00", "utc": "2053-05-15T17:22:30Z", "ms": 2630942549978.639 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2053-05-16", "window": { "start": { "local": "2053-05-16T19:04:07+03:00", "utc": "2053-05-16T16:04:07Z", "ms": 2631024247225.484 }, "end": { "local": "2053-05-16T20:23:06+03:00", "utc": "2053-05-16T17:23:06Z", "ms": 2631028986204.51 } }, "covered_min": 0, "window_min": 79, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:45 on Thu 15 May to 12:38 on Fri 16 May.", "fact": "2053-05-15T11:44:58Z → 2053-05-16T09:37:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:03–20:22 on the 15th, 19:04–20:23 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 79 of 79 minutes on the 15th and 0 of 79 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15501 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Thursday 15 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": "2053-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-15", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Thursday 15 May. Trayodaśī runs from 14:45 on Thu 15 May to 12:38 on Fri 16 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-05-15", "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/2053/shivaratri?on=2053-05-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34196, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-05-16T12:37:54+03:00", "utc": "2053-05-16T09:37:54Z", "ms": 2631001074013.929 }, "end": { "local": "2053-05-17T09:54:15+03:00", "utc": "2053-05-17T06:54:15Z", "ms": 2631077654512.349 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-16T12:37:54+03:00", "utc": "2053-05-16T09:37:54Z", "ms": 2631001074013.929 }, "end": { "local": "2053-05-17T09:54:15+03:00", "utc": "2053-05-17T06:54:15Z", "ms": 2631077654512.349 } }, "kaala": "nishita", "days": [ { "local_date": "2053-05-15", "window": { "start": { "local": "2053-05-15T23:36:16+03:00", "utc": "2053-05-15T20:36:16Z", "ms": 2630954176472.876 }, "end": { "local": "2053-05-16T00:24:16+03:00", "utc": "2053-05-15T21:24:16Z", "ms": 2630957056472.876 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-16", "window": { "start": { "local": "2053-05-16T23:36:18+03:00", "utc": "2053-05-16T20:36:18Z", "ms": 2631040578396.831 }, "end": { "local": "2053-05-17T00:24:18+03:00", "utc": "2053-05-16T21:24:18Z", "ms": 2631043458396.831 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:38 on Fri 16 May to 09:54 on Sat 17 May.", "fact": "2053-05-16T09:37:54Z → 2053-05-17T06:54:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 15th, 23:36–00:24 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34196 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Friday 16 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": "2053-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-16", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Friday 16 May. Caturdaśī runs from 12:38 on Fri 16 May to 09:54 on Sat 17 May and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27944, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-05-19T23:40:50+03:00", "utc": "2053-05-19T20:40:50Z", "ms": 2631300049897.8896 }, "end": { "local": "2053-05-20T20:10:35+03:00", "utc": "2053-05-20T17:10:35Z", "ms": 2631373834654.543 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-19T23:40:50+03:00", "utc": "2053-05-19T20:40:50Z", "ms": 2631300049897.8896 }, "end": { "local": "2053-05-20T20:10:35+03:00", "utc": "2053-05-20T17:10:35Z", "ms": 2631373834654.543 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-19", "window": { "start": { "local": "2053-05-19T11:36:48+03:00", "utc": "2053-05-19T08:36:48Z", "ms": 2631256607656.294 }, "end": { "local": "2053-05-19T12:24:48+03:00", "utc": "2053-05-19T09:24:48Z", "ms": 2631259487656.294 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-20", "window": { "start": { "local": "2053-05-20T11:36:51+03:00", "utc": "2053-05-20T08:36:51Z", "ms": 2631343011002.0015 }, "end": { "local": "2053-05-20T12:24:51+03:00", "utc": "2053-05-20T09:24:51Z", "ms": 2631345891002.0015 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:41 on Mon 19 May to 20:11 on Tue 20 May.", "fact": "2053-05-19T20:40:50Z → 2053-05-20T17:10:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 19th, 11:37–12:25 on the 20th.", "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 19th and 48 of 48 on the 20th.", "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 27944 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Erbil, 2053: Tuesday 20 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": "2053-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-20", "confidence": "determinate" } ], "quote": "In Erbil, Rambhā Tṛtīyā 2053 falls on Tuesday 20 May. Tṛtīyā runs from 23:41 on Mon 19 May to 20:11 on Tue 20 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-05-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16160, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-05-20T20:10:35+03:00", "utc": "2053-05-20T17:10:35Z", "ms": 2631373834654.543 }, "end": { "local": "2053-05-21T16:54:15+03:00", "utc": "2053-05-21T13:54:15Z", "ms": 2631448454940.0225 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-20T20:10:35+03:00", "utc": "2053-05-20T17:10:35Z", "ms": 2631373834654.543 }, "end": { "local": "2053-05-21T16:54:15+03:00", "utc": "2053-05-21T13:54:15Z", "ms": 2631448454940.0225 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-20", "window": { "start": { "local": "2053-05-20T11:36:51+03:00", "utc": "2053-05-20T08:36:51Z", "ms": 2631343011002.0015 }, "end": { "local": "2053-05-20T12:24:51+03:00", "utc": "2053-05-20T09:24:51Z", "ms": 2631345891002.0015 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-21", "window": { "start": { "local": "2053-05-21T11:36:55+03:00", "utc": "2053-05-21T08:36:55Z", "ms": 2631429414860.5444 }, "end": { "local": "2053-05-21T12:24:55+03:00", "utc": "2053-05-21T09:24:55Z", "ms": 2631432294860.5444 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:11 on Tue 20 May to 16:54 on Wed 21 May.", "fact": "2053-05-20T17:10:35Z → 2053-05-21T13:54:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 20th, 11:37–12:25 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 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 16160 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Wednesday 21 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": "2053-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-21", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Wednesday 21 May. Caturthī runs from 20:11 on Tue 20 May to 16:54 on Wed 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-05-21", "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/2053/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-23", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 59, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-05-22T14:00:27+03:00", "utc": "2053-05-22T11:00:27Z", "ms": 2631524426776.689 }, "end": { "local": "2053-05-23T11:36:05+03:00", "utc": "2053-05-23T08:36:05Z", "ms": 2631602164764.2773 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-22T14:00:27+03:00", "utc": "2053-05-22T11:00:27Z", "ms": 2631524426776.689 }, "end": { "local": "2053-05-23T11:36:05+03:00", "utc": "2053-05-23T08:36:05Z", "ms": 2631602164764.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-22", "window": { "start": { "local": "2053-05-22T11:36:59+03:00", "utc": "2053-05-22T08:36:59Z", "ms": 2631515819219.3037 }, "end": { "local": "2053-05-22T12:24:59+03:00", "utc": "2053-05-22T09:24:59Z", "ms": 2631518699219.3037 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-23", "window": { "start": { "local": "2053-05-23T11:37:04+03:00", "utc": "2053-05-23T08:37:04Z", "ms": 2631602224066.2925 }, "end": { "local": "2053-05-23T12:25:04+03:00", "utc": "2053-05-23T09:25:04Z", "ms": 2631605104066.2925 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:00 on Thu 22 May to 11:36 on Fri 23 May.", "fact": "2053-05-22T11:00:27Z → 2053-05-23T08:36:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 22nd, 11:37–12:25 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "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 59 s < 300 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Erbil, 2053: Friday 23 May.", "fact": "confidence: boundary (margin)" } ], "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": "2053-05-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-23", "confidence": "determinate" } ], "quote": "In Erbil, Araṇya Gaurī Vrata 2053 falls on Friday 23 May. Ṣaṣṭhī runs from 14:00 on Thu 22 May to 11:36 on Fri 23 May, and reaches madhyāhna on neither day. It is 0 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-23", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 59, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-05-22T14:00:27+03:00", "utc": "2053-05-22T11:00:27Z", "ms": 2631524426776.689 }, "end": { "local": "2053-05-23T11:36:05+03:00", "utc": "2053-05-23T08:36:05Z", "ms": 2631602164764.2773 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-22T14:00:27+03:00", "utc": "2053-05-22T11:00:27Z", "ms": 2631524426776.689 }, "end": { "local": "2053-05-23T11:36:05+03:00", "utc": "2053-05-23T08:36:05Z", "ms": 2631602164764.2773 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-22", "window": { "start": { "local": "2053-05-22T11:36:59+03:00", "utc": "2053-05-22T08:36:59Z", "ms": 2631515819219.3037 }, "end": { "local": "2053-05-22T12:24:59+03:00", "utc": "2053-05-22T09:24:59Z", "ms": 2631518699219.3037 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-05-23", "window": { "start": { "local": "2053-05-23T11:37:04+03:00", "utc": "2053-05-23T08:37:04Z", "ms": 2631602224066.2925 }, "end": { "local": "2053-05-23T12:25:04+03:00", "utc": "2053-05-23T09:25:04Z", "ms": 2631605104066.2925 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:00 on Thu 22 May to 11:36 on Fri 23 May.", "fact": "2053-05-22T11:00:27Z → 2053-05-23T08:36:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 22nd, 11:37–12:25 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "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: purvaviddha → second-day · margin 59 s < 300 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Erbil, 2053: Friday 23 May.", "fact": "confidence: boundary (margin)" } ], "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": "2053-05-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-23", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2053 falls on Friday 23 May. Ṣaṣṭhī runs from 14:00 on Thu 22 May to 11:36 on Fri 23 May, and reaches madhyāhna on neither day. It is 0 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-05-28", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10916, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-05-27T07:52:22+03:00", "utc": "2053-05-27T04:52:22Z", "ms": 2631934342419.9727 }, "end": { "local": "2053-05-28T08:20:18+03:00", "utc": "2053-05-28T05:20:18Z", "ms": 2632022417531.984 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-27T07:52:22+03:00", "utc": "2053-05-27T04:52:22Z", "ms": 2631934342419.9727 }, "end": { "local": "2053-05-28T08:20:18+03:00", "utc": "2053-05-28T05:20:18Z", "ms": 2632022417531.984 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-05-27", "window": { "start": { "local": "2053-05-27T04:50:27+03:00", "utc": "2053-05-27T01:50:27Z", "ms": 2631923426911.9053 }, "end": { "local": "2053-05-27T04:50:27+03:00", "utc": "2053-05-27T01:50:27Z", "ms": 2631923426911.9053 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-05-28", "window": { "start": { "local": "2053-05-28T04:50:00+03:00", "utc": "2053-05-28T01:50:00Z", "ms": 2632009799536.815 }, "end": { "local": "2053-05-28T04:50:00+03:00", "utc": "2053-05-28T01:50:00Z", "ms": 2632009799536.815 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:52 on Tue 27 May to 08:20 on Wed 28 May.", "fact": "2053-05-27T04:52:22Z → 2053-05-28T05:20:18Z" }, { "step": "kaala", "text": "Sunrise is at 04:50 on the 27th and 04:50 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10916 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Erbil, 2053: Wednesday 28 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": "2053-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-28", "confidence": "determinate" } ], "quote": "In Erbil, Nirjalā Ekādaśī 2053 falls on Wednesday 28 May. Ekādaśī runs from 07:52 on Tue 27 May to 08:20 on Wed 28 May and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-05-28", "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/2053/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8572, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-05-28T08:20:18+03:00", "utc": "2053-05-28T05:20:18Z", "ms": 2632022417531.984 }, "end": { "local": "2053-05-29T09:14:50+03:00", "utc": "2053-05-29T06:14:50Z", "ms": 2632112090299.645 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-28T08:20:18+03:00", "utc": "2053-05-28T05:20:18Z", "ms": 2632022417531.984 }, "end": { "local": "2053-05-29T09:14:50+03:00", "utc": "2053-05-29T06:14:50Z", "ms": 2632112090299.645 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-05-28", "window": { "start": { "local": "2053-05-28T11:37:35+03:00", "utc": "2053-05-28T08:37:35Z", "ms": 2632034255245.7153 }, "end": { "local": "2053-05-28T12:25:35+03:00", "utc": "2053-05-28T09:25:35Z", "ms": 2632037135245.7153 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-05-29", "window": { "start": { "local": "2053-05-29T11:37:43+03:00", "utc": "2053-05-29T08:37:43Z", "ms": 2632120662797.702 }, "end": { "local": "2053-05-29T12:25:43+03:00", "utc": "2053-05-29T09:25:43Z", "ms": 2632123542797.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:20 on Wed 28 May to 09:15 on Thu 29 May.", "fact": "2053-05-28T05:20:18Z → 2053-05-29T06:14:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8572 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Erbil, 2053: Wednesday 28 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-28", "confidence": "determinate" } ], "quote": "In Erbil, Śrī Rāma Dvādaśī 2053 falls on Wednesday 28 May. Dvādaśī runs from 08:20 on Wed 28 May to 09:15 on Thu 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-05-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31346, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-05-29T09:14:50+03:00", "utc": "2053-05-29T06:14:50Z", "ms": 2632112090299.645 }, "end": { "local": "2053-05-30T10:32:06+03:00", "utc": "2053-05-30T07:32:06Z", "ms": 2632203126072.563 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-29T09:14:50+03:00", "utc": "2053-05-29T06:14:50Z", "ms": 2632112090299.645 }, "end": { "local": "2053-05-30T10:32:06+03:00", "utc": "2053-05-30T07:32:06Z", "ms": 2632203126072.563 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-05-29", "window": { "start": { "local": "2053-05-29T19:13:52+03:00", "utc": "2053-05-29T16:13:52Z", "ms": 2632148031764.369 }, "end": { "local": "2053-05-29T20:30:34+03:00", "utc": "2053-05-29T17:30:34Z", "ms": 2632152634169.874 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "2053-05-30", "window": { "start": { "local": "2053-05-30T19:14:32+03:00", "utc": "2053-05-30T16:14:32Z", "ms": 2632234471721.178 }, "end": { "local": "2053-05-30T20:31:06+03:00", "utc": "2053-05-30T17:31:06Z", "ms": 2632239065821.1187 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:15 on Thu 29 May to 10:32 on Fri 30 May.", "fact": "2053-05-29T06:14:50Z → 2053-05-30T07:32:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:31 on the 29th, 19:15–20:31 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 77 of 77 minutes on the 29th and 0 of 77 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 31346 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Thursday 29 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": "2053-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-29", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Thursday 29 May. Trayodaśī runs from 09:15 on Thu 29 May to 10:32 on Fri 30 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18813, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-05-31T12:08:48+03:00", "utc": "2053-05-31T09:08:48Z", "ms": 2632295328011.0996 }, "end": { "local": "2053-06-01T14:02:16+03:00", "utc": "2053-06-01T11:02:16Z", "ms": 2632388535603.9756 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2053-05-31T12:08:48+03:00", "utc": "2053-05-31T09:08:48Z", "ms": 2632295328011.0996 }, "end": { "local": "2053-06-01T14:02:16+03:00", "utc": "2053-06-01T11:02:16Z", "ms": 2632388535603.9756 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-05-31", "window": { "start": { "local": "2053-05-31T19:15:11+03:00", "utc": "2053-05-31T16:15:11Z", "ms": 2632320910791.869 }, "end": { "local": "2053-05-31T20:31:37+03:00", "utc": "2053-05-31T17:31:37Z", "ms": 2632325496930.978 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2053-06-01", "window": { "start": { "local": "2053-06-01T19:15:49+03:00", "utc": "2053-06-01T16:15:49Z", "ms": 2632407348943.1553 }, "end": { "local": "2053-06-01T20:32:07+03:00", "utc": "2053-06-01T17:32:07Z", "ms": 2632411927471.6357 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:09 on Sat 31 May to 14:02 on Sun 1 Jun.", "fact": "2053-05-31T09:08:48Z → 2053-06-01T11:02:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:32 on the 31st, 19:16–20:32 on the 1st.", "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 31st and 0 of 76 on the 1st.", "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 18813 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Erbil, 2053: Saturday 31 May.", "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": "2053-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-05-31", "confidence": "determinate" } ], "quote": "In Erbil, Vaṭa Sāvitrī Vrata 2053 falls on Saturday 31 May. Pūrṇimā runs from 12:09 on Sat 31 May to 14:02 on Sun 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-06-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2305, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-06-04T20:53:50+03:00", "utc": "2053-06-04T17:53:50Z", "ms": 2632672430145.7314 }, "end": { "local": "2053-06-05T23:18:35+03:00", "utc": "2053-06-05T20:18:35Z", "ms": 2632767515245.787 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-04T20:53:50+03:00", "utc": "2053-06-04T17:53:50Z", "ms": 2632672430145.7314 }, "end": { "local": "2053-06-05T23:18:35+03:00", "utc": "2053-06-05T20:18:35Z", "ms": 2632767515245.787 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-06-04", "window": { "start": { "local": "2053-06-04T21:32:15+03:00", "utc": "2053-06-04T18:32:15Z", "ms": 2632674735272.09 }, "end": { "local": "2053-06-04T21:32:15+03:00", "utc": "2053-06-04T18:32:15Z", "ms": 2632674735272.09 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-06-05", "window": { "start": { "local": "2053-06-05T22:13:04+03:00", "utc": "2053-06-05T19:13:04Z", "ms": 2632763583558.4224 }, "end": { "local": "2053-06-05T22:13:04+03:00", "utc": "2053-06-05T19:13:04Z", "ms": 2632763583558.4224 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:54 on Wed 4 Jun to 23:19 on Thu 5 Jun.", "fact": "2053-06-04T17:53:50Z → 2053-06-05T20:18:35Z" }, { "step": "kaala", "text": "Moonrise is at 21:32 on the 4th and 22:13 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2305 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Wednesday 4 June.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-06-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-04", "confidence": "boundary" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Wednesday 4 June. Caturthī runs from 20:54 on Wed 4 Jun to 23:19 on Thu 5 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-06-12", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 683, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-06-12T04:35:10+03:00", "utc": "2053-06-12T01:35:10Z", "ms": 2633304910092.4473 }, "end": { "local": "2053-06-13T02:50:13+03:00", "utc": "2053-06-12T23:50:13Z", "ms": 2633385013049.777 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-12T04:35:10+03:00", "utc": "2053-06-12T01:35:10Z", "ms": 2633304910092.4473 }, "end": { "local": "2053-06-13T02:50:13+03:00", "utc": "2053-06-12T23:50:13Z", "ms": 2633385013049.777 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-06-12", "window": { "start": { "local": "2053-06-12T04:46:33+03:00", "utc": "2053-06-12T01:46:33Z", "ms": 2633305593173.131 }, "end": { "local": "2053-06-12T04:46:33+03:00", "utc": "2053-06-12T01:46:33Z", "ms": 2633305593173.131 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-06-13", "window": { "start": { "local": "2053-06-13T04:46:33+03:00", "utc": "2053-06-13T01:46:33Z", "ms": 2633391993097.2886 }, "end": { "local": "2053-06-13T04:46:33+03:00", "utc": "2053-06-13T01:46:33Z", "ms": 2633391993097.2886 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:35 on Thu 12 Jun to 02:50 on Fri 13 Jun.", "fact": "2053-06-12T01:35:10Z → 2053-06-12T23:50:13Z" }, { "step": "kaala", "text": "Sunrise is at 04:47 on the 12th and 04:47 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 683 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Erbil, 2053: Thursday 12 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": "2053-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-12", "confidence": "determinate" } ], "quote": "In Erbil, Yoginī Ekādaśī 2053 falls on Thursday 12 June. Ekādaśī runs from 04:35 on Thu 12 Jun to 02:50 on Fri 13 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-06-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2213, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-06-14T00:20:46+03:00", "utc": "2053-06-13T21:20:46Z", "ms": 2633462445800.593 }, "end": { "local": "2053-06-14T21:14:32+03:00", "utc": "2053-06-14T18:14:32Z", "ms": 2633537671998.426 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-14T00:20:46+03:00", "utc": "2053-06-13T21:20:46Z", "ms": 2633462445800.593 }, "end": { "local": "2053-06-14T21:14:32+03:00", "utc": "2053-06-14T18:14:32Z", "ms": 2633537671998.426 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-06-13", "window": { "start": { "local": "2053-06-13T19:22:03+03:00", "utc": "2053-06-13T16:22:03Z", "ms": 2633444522758.841 }, "end": { "local": "2053-06-13T20:37:19+03:00", "utc": "2053-06-13T17:37:19Z", "ms": 2633449039016.5933 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2053-06-14", "window": { "start": { "local": "2053-06-14T19:22:26+03:00", "utc": "2053-06-14T16:22:26Z", "ms": 2633530945881.0176 }, "end": { "local": "2053-06-14T20:37:39+03:00", "utc": "2053-06-14T17:37:39Z", "ms": 2633535459488.7456 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:21 on Sat 14 Jun to 21:15 on Sat 14 Jun.", "fact": "2053-06-13T21:20:46Z → 2053-06-14T18:14:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:22–20:37 on the 13th, 19:22–20:38 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 75 minutes on the 13th and 75 of 75 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 2213 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Saturday 14 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": "2053-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-14", "confidence": "boundary" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Saturday 14 June. Trayodaśī runs from 00:21 on Sat 14 Jun to 21:15 on Sat 14 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-06-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8760, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-06-14T21:14:32+03:00", "utc": "2053-06-14T18:14:32Z", "ms": 2633537671998.426 }, "end": { "local": "2053-06-15T17:41:12+03:00", "utc": "2053-06-15T14:41:12Z", "ms": 2633611272396.076 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-14T21:14:32+03:00", "utc": "2053-06-14T18:14:32Z", "ms": 2633537671998.426 }, "end": { "local": "2053-06-15T17:41:12+03:00", "utc": "2053-06-15T14:41:12Z", "ms": 2633611272396.076 } }, "kaala": "nishita", "days": [ { "local_date": "2053-06-14", "window": { "start": { "local": "2053-06-14T23:40:32+03:00", "utc": "2053-06-14T20:40:32Z", "ms": 2633546431909.997 }, "end": { "local": "2053-06-15T00:28:32+03:00", "utc": "2053-06-14T21:28:32Z", "ms": 2633549311909.997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-06-15", "window": { "start": { "local": "2053-06-15T23:40:45+03:00", "utc": "2053-06-15T20:40:45Z", "ms": 2633632845212.8105 }, "end": { "local": "2053-06-16T00:28:45+03:00", "utc": "2053-06-15T21:28:45Z", "ms": 2633635725212.8105 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:15 on Sat 14 Jun to 17:41 on Sun 15 Jun.", "fact": "2053-06-14T18:14:32Z → 2053-06-15T14:41:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 14th, 23:41–00:29 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 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8760 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Saturday 14 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": "2053-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-14", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Saturday 14 June. Caturdaśī runs from 21:15 on Sat 14 Jun to 17:41 on Sun 15 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/vinayaka-chaturthi?on=2053-06-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32617, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-06-19T02:37:57+03:00", "utc": "2053-06-18T23:37:57Z", "ms": 2633902676528.549 }, "end": { "local": "2053-06-19T23:33:45+03:00", "utc": "2053-06-19T20:33:45Z", "ms": 2633978024828.8726 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-19T02:37:57+03:00", "utc": "2053-06-18T23:37:57Z", "ms": 2633902676528.549 }, "end": { "local": "2053-06-19T23:33:45+03:00", "utc": "2053-06-19T20:33:45Z", "ms": 2633978024828.8726 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-06-19", "window": { "start": { "local": "2053-06-19T11:41:33+03:00", "utc": "2053-06-19T08:41:33Z", "ms": 2633935293436.257 }, "end": { "local": "2053-06-19T12:29:33+03:00", "utc": "2053-06-19T09:29:33Z", "ms": 2633938173436.257 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-06-20", "window": { "start": { "local": "2053-06-20T11:41:46+03:00", "utc": "2053-06-20T08:41:46Z", "ms": 2634021706135.2544 }, "end": { "local": "2053-06-20T12:29:46+03:00", "utc": "2053-06-20T09:29:46Z", "ms": 2634024586135.2544 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:38 on Thu 19 Jun to 23:34 on Thu 19 Jun.", "fact": "2053-06-18T23:37:57Z → 2053-06-19T20:33:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 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 32617 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Thursday 19 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": "2053-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-19", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Thursday 19 June. Caturthī runs from 02:38 on Thu 19 Jun to 23:34 on Thu 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-06-19", "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/2053/ekadashi?on=2053-06-26", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29801, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-06-25T19:07:03+03:00", "utc": "2053-06-25T16:07:03Z", "ms": 2634480423315.093 }, "end": { "local": "2053-06-26T20:32:36+03:00", "utc": "2053-06-26T17:32:36Z", "ms": 2634571956341.495 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-25T19:07:03+03:00", "utc": "2053-06-25T16:07:03Z", "ms": 2634480423315.093 }, "end": { "local": "2053-06-26T20:32:36+03:00", "utc": "2053-06-26T17:32:36Z", "ms": 2634571956341.495 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-06-26", "window": { "start": { "local": "2053-06-26T04:48:56+03:00", "utc": "2053-06-26T01:48:56Z", "ms": 2634515335854.969 }, "end": { "local": "2053-06-26T04:48:56+03:00", "utc": "2053-06-26T01:48:56Z", "ms": 2634515335854.969 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-06-27", "window": { "start": { "local": "2053-06-27T04:49:17+03:00", "utc": "2053-06-27T01:49:17Z", "ms": 2634601757015.9263 }, "end": { "local": "2053-06-27T04:49:17+03:00", "utc": "2053-06-27T01:49:17Z", "ms": 2634601757015.9263 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:07 on Wed 25 Jun to 20:33 on Thu 26 Jun.", "fact": "2053-06-25T16:07:03Z → 2053-06-26T17:32:36Z" }, { "step": "kaala", "text": "Sunrise is at 04:49 on the 26th and 04:49 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29801 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Erbil, 2053: Thursday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-26", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Ekādaśī 2053 falls on Thursday 26 June. Ekādaśī runs from 19:07 on Wed 25 Jun to 20:33 on Thu 26 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-06-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6013, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-06-27T22:20:37+03:00", "utc": "2053-06-27T19:20:37Z", "ms": 2634664837276.5283 }, "end": { "local": "2053-06-29T00:24:48+03:00", "utc": "2053-06-28T21:24:48Z", "ms": 2634758688265.3306 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-06-27T22:20:37+03:00", "utc": "2053-06-27T19:20:37Z", "ms": 2634664837276.5283 }, "end": { "local": "2053-06-29T00:24:48+03:00", "utc": "2053-06-28T21:24:48Z", "ms": 2634758688265.3306 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-06-27", "window": { "start": { "local": "2053-06-27T19:25:08+03:00", "utc": "2053-06-27T16:25:08Z", "ms": 2634654308098.272 }, "end": { "local": "2053-06-27T20:40:24+03:00", "utc": "2053-06-27T17:40:24Z", "ms": 2634658824284.8203 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2053-06-28", "window": { "start": { "local": "2053-06-28T19:25:09+03:00", "utc": "2053-06-28T16:25:09Z", "ms": 2634740709081.001 }, "end": { "local": "2053-06-28T20:40:28+03:00", "utc": "2053-06-28T17:40:28Z", "ms": 2634745228306.2705 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:21 on Fri 27 Jun to 00:25 on Sun 29 Jun.", "fact": "2053-06-27T19:20:37Z → 2053-06-28T21:24:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:40 on the 27th, 19:25–20:40 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 75 minutes on the 27th and 75 of 75 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 6013 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Saturday 28 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": "2053-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-06-28", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Saturday 28 June. Trayodaśī runs from 22:21 on Fri 27 Jun to 00:25 on Sun 29 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/sankashta-chaturthi?on=2053-07-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29258, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-07-04T11:58:05+03:00", "utc": "2053-07-04T08:58:05Z", "ms": 2635232285165.61 }, "end": { "local": "2053-07-05T13:55:21+03:00", "utc": "2053-07-05T10:55:21Z", "ms": 2635325720787.433 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-04T11:58:05+03:00", "utc": "2053-07-04T08:58:05Z", "ms": 2635232285165.61 }, "end": { "local": "2053-07-05T13:55:21+03:00", "utc": "2053-07-05T10:55:21Z", "ms": 2635325720787.433 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-07-04", "window": { "start": { "local": "2053-07-04T21:28:34+03:00", "utc": "2053-07-04T18:28:34Z", "ms": 2635266514096.3223 }, "end": { "local": "2053-07-04T21:28:34+03:00", "utc": "2053-07-04T18:28:34Z", "ms": 2635266514096.3223 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-07-05", "window": { "start": { "local": "2053-07-05T22:02:59+03:00", "utc": "2053-07-05T19:02:59Z", "ms": 2635354979255.085 }, "end": { "local": "2053-07-05T22:02:59+03:00", "utc": "2053-07-05T19:02:59Z", "ms": 2635354979255.085 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:58 on Fri 4 Jul to 13:55 on Sat 5 Jul.", "fact": "2053-07-04T08:58:05Z → 2053-07-05T10:55:21Z" }, { "step": "kaala", "text": "Moonrise is at 21:29 on the 4th and 22:03 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29258 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Friday 4 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": "2053-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-04", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Friday 4 July. Caturthī runs from 11:58 on Fri 4 Jul to 13:55 on Sat 5 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-07-12", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21311, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-07-11T13:27:33+03:00", "utc": "2053-07-11T10:27:33Z", "ms": 2635842453041.7085 }, "end": { "local": "2053-07-12T10:52:07+03:00", "utc": "2053-07-12T07:52:07Z", "ms": 2635919526506.672 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-11T13:27:33+03:00", "utc": "2053-07-11T10:27:33Z", "ms": 2635842453041.7085 }, "end": { "local": "2053-07-12T10:52:07+03:00", "utc": "2053-07-12T07:52:07Z", "ms": 2635919526506.672 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-07-11", "window": { "start": { "local": "2053-07-11T04:56:18+03:00", "utc": "2053-07-11T01:56:18Z", "ms": 2635811778050.845 }, "end": { "local": "2053-07-11T04:56:18+03:00", "utc": "2053-07-11T01:56:18Z", "ms": 2635811778050.845 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-07-12", "window": { "start": { "local": "2053-07-12T04:56:56+03:00", "utc": "2053-07-12T01:56:56Z", "ms": 2635898215732.9 }, "end": { "local": "2053-07-12T04:56:56+03:00", "utc": "2053-07-12T01:56:56Z", "ms": 2635898215732.9 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:28 on Fri 11 Jul to 10:52 on Sat 12 Jul.", "fact": "2053-07-11T10:27:33Z → 2053-07-12T07:52:07Z" }, { "step": "kaala", "text": "Sunrise is at 04:56 on the 11th and 04:57 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21311 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Erbil, 2053: Saturday 12 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": "2053-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-12", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Ekādaśī 2053 falls on Saturday 12 July. Ekādaśī runs from 13:28 on Fri 11 Jul to 10:52 on Sat 12 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-07-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26984, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-07-13T07:42:46+03:00", "utc": "2053-07-13T04:42:46Z", "ms": 2635994565658.8154 }, "end": { "local": "2053-07-14T04:08:30+03:00", "utc": "2053-07-14T01:08:30Z", "ms": 2636068109759.6772 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-13T07:42:46+03:00", "utc": "2053-07-13T04:42:46Z", "ms": 2635994565658.8154 }, "end": { "local": "2053-07-14T04:08:30+03:00", "utc": "2053-07-14T01:08:30Z", "ms": 2636068109759.6772 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-07-12", "window": { "start": { "local": "2053-07-12T19:22:21+03:00", "utc": "2053-07-12T16:22:21Z", "ms": 2635950140766.5425 }, "end": { "local": "2053-07-12T20:39:03+03:00", "utc": "2053-07-12T17:39:03Z", "ms": 2635954742562.5854 } }, "covered_min": 0, "window_min": 77, "qualifies": false }, { "local_date": "2053-07-13", "window": { "start": { "local": "2053-07-13T19:21:56+03:00", "utc": "2053-07-13T16:21:56Z", "ms": 2636036515755.3604 }, "end": { "local": "2053-07-13T20:38:46+03:00", "utc": "2053-07-13T17:38:46Z", "ms": 2636041126124.153 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:43 on Sun 13 Jul to 04:08 on Mon 14 Jul.", "fact": "2053-07-13T04:42:46Z → 2053-07-14T01:08:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:22–20:39 on the 12th, 19:22–20:39 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 0 of 77 minutes on the 12th and 77 of 77 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 26984 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Sunday 13 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": "2053-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-13", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Sunday 13 July. Trayodaśī runs from 07:43 on Sun 13 Jul to 04:08 on Mon 14 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-07-13", "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/2053/shivaratri?on=2053-07-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 880, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-07-14T04:08:30+03:00", "utc": "2053-07-14T01:08:30Z", "ms": 2636068109759.6772 }, "end": { "local": "2053-07-15T00:19:31+03:00", "utc": "2053-07-14T21:19:31Z", "ms": 2636140771356.3257 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": true, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-14T04:08:30+03:00", "utc": "2053-07-14T01:08:30Z", "ms": 2636068109759.6772 }, "end": { "local": "2053-07-15T00:19:31+03:00", "utc": "2053-07-14T21:19:31Z", "ms": 2636140771356.3257 } }, "kaala": "nishita", "days": [ { "local_date": "2053-07-13", "window": { "start": { "local": "2053-07-13T23:46:05+03:00", "utc": "2053-07-13T20:46:05Z", "ms": 2636052364638.332 }, "end": { "local": "2053-07-14T00:34:05+03:00", "utc": "2053-07-13T21:34:05Z", "ms": 2636055244638.332 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-07-14", "window": { "start": { "local": "2053-07-14T23:46:11+03:00", "utc": "2053-07-14T20:46:11Z", "ms": 2636138771288.672 }, "end": { "local": "2053-07-15T00:34:11+03:00", "utc": "2053-07-14T21:34:11Z", "ms": 2636141651288.672 } }, "covered_min": 33, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:08 on Mon 14 Jul to 00:20 on Tue 15 Jul.", "fact": "2053-07-14T01:08:30Z → 2053-07-14T21:19:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 13th, 23:46–00:34 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 33 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 880 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Monday 14 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": "2053-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-14", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Monday 14 July. Caturdaśī runs from 04:08 on Mon 14 Jul to 00:20 on Tue 15 Jul and covers 33 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2333, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2053-07-16T16:40:57+03:00", "utc": "2053-07-16T13:40:57Z", "ms": 2636286057490.007 }, "end": { "local": "2053-07-17T13:13:00+03:00", "utc": "2053-07-17T10:13:00Z", "ms": 2636359979814.9507 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-16T16:40:57+03:00", "utc": "2053-07-16T13:40:57Z", "ms": 2636286057490.007 }, "end": { "local": "2053-07-17T13:13:00+03:00", "utc": "2053-07-17T10:13:00Z", "ms": 2636359979814.9507 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-07-16", "window": { "start": { "local": "2053-07-16T11:46:02+03:00", "utc": "2053-07-16T08:46:02Z", "ms": 2636268362370.501 }, "end": { "local": "2053-07-16T12:34:02+03:00", "utc": "2053-07-16T09:34:02Z", "ms": 2636271242370.501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-07-17", "window": { "start": { "local": "2053-07-17T11:46:07+03:00", "utc": "2053-07-17T08:46:07Z", "ms": 2636354767145.144 }, "end": { "local": "2053-07-17T12:34:07+03:00", "utc": "2053-07-17T09:34:07Z", "ms": 2636357647145.144 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:41 on Wed 16 Jul to 13:13 on Thu 17 Jul.", "fact": "2053-07-16T13:40:57Z → 2053-07-17T10:13:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 16th, 11:46–12:34 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2333 s" }, { "step": "ruling", "text": "Rathayātrā, Erbil, 2053: Thursday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-17", "confidence": "determinate" } ], "quote": "In Erbil, Rathayātrā 2053 falls on Thursday 17 July. Dvitīyā runs from 16:41 on Wed 16 Jul to 13:13 on Thu 17 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-07-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5613, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-07-18T10:12:39+03:00", "utc": "2053-07-18T07:12:39Z", "ms": 2636435558548.0093 }, "end": { "local": "2053-07-19T07:48:22+03:00", "utc": "2053-07-19T04:48:22Z", "ms": 2636513302394.952 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-18T10:12:39+03:00", "utc": "2053-07-18T07:12:39Z", "ms": 2636435558548.0093 }, "end": { "local": "2053-07-19T07:48:22+03:00", "utc": "2053-07-19T04:48:22Z", "ms": 2636513302394.952 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-07-18", "window": { "start": { "local": "2053-07-18T11:46:11+03:00", "utc": "2053-07-18T08:46:11Z", "ms": 2636441171382.457 }, "end": { "local": "2053-07-18T12:34:11+03:00", "utc": "2053-07-18T09:34:11Z", "ms": 2636444051382.457 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-07-19", "window": { "start": { "local": "2053-07-19T11:46:15+03:00", "utc": "2053-07-19T08:46:15Z", "ms": 2636527575067.6846 }, "end": { "local": "2053-07-19T12:34:15+03:00", "utc": "2053-07-19T09:34:15Z", "ms": 2636530455067.6846 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:13 on Fri 18 Jul to 07:48 on Sat 19 Jul.", "fact": "2053-07-18T07:12:39Z → 2053-07-19T04:48:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 18th, 11:46–12:34 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 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5613 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Friday 18 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": "2053-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-18", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Friday 18 July. Caturthī runs from 10:13 on Fri 18 Jul to 07:48 on Sat 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-07-18", "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/2053/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14273, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-07-19T07:48:22+03:00", "utc": "2053-07-19T04:48:22Z", "ms": 2636513302394.952 }, "end": { "local": "2053-07-20T06:06:40+03:00", "utc": "2053-07-20T03:06:40Z", "ms": 2636593600391.518 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-19T07:48:22+03:00", "utc": "2053-07-19T04:48:22Z", "ms": 2636513302394.952 }, "end": { "local": "2053-07-20T06:06:40+03:00", "utc": "2053-07-20T03:06:40Z", "ms": 2636593600391.518 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-07-19", "window": { "start": { "local": "2053-07-19T11:46:15+03:00", "utc": "2053-07-19T08:46:15Z", "ms": 2636527575067.6846 }, "end": { "local": "2053-07-19T12:34:15+03:00", "utc": "2053-07-19T09:34:15Z", "ms": 2636530455067.6846 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-07-20", "window": { "start": { "local": "2053-07-20T11:46:18+03:00", "utc": "2053-07-20T08:46:18Z", "ms": 2636613978188.238 }, "end": { "local": "2053-07-20T12:34:18+03:00", "utc": "2053-07-20T09:34:18Z", "ms": 2636616858188.238 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:48 on Sat 19 Jul to 06:07 on Sun 20 Jul.", "fact": "2053-07-19T04:48:22Z → 2053-07-20T03:06:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 19th, 11:46–12:34 on the 20th.", "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 19th and 0 of 48 on the 20th.", "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 14273 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Erbil, 2053: Saturday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-19", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Pañcamī 2053 falls on Saturday 19 July. Pañcamī runs from 07:48 on Sat 19 Jul to 06:07 on Sun 20 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23698, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-07-21T05:11:23+03:00", "utc": "2053-07-21T02:11:23Z", "ms": 2636676683099.829 }, "end": { "local": "2053-07-22T05:03:11+03:00", "utc": "2053-07-22T02:03:11Z", "ms": 2636762591268.866 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-21T05:11:23+03:00", "utc": "2053-07-21T02:11:23Z", "ms": 2636676683099.829 }, "end": { "local": "2053-07-22T05:03:11+03:00", "utc": "2053-07-22T02:03:11Z", "ms": 2636762591268.866 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-07-21", "window": { "start": { "local": "2053-07-21T11:46:21+03:00", "utc": "2053-07-21T08:46:21Z", "ms": 2636700380733.6313 }, "end": { "local": "2053-07-21T12:34:21+03:00", "utc": "2053-07-21T09:34:21Z", "ms": 2636703260733.6313 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-07-22", "window": { "start": { "local": "2053-07-22T11:46:23+03:00", "utc": "2053-07-22T08:46:23Z", "ms": 2636786782695.283 }, "end": { "local": "2053-07-22T12:34:23+03:00", "utc": "2053-07-22T09:34:23Z", "ms": 2636789662695.283 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:11 on Mon 21 Jul to 05:03 on Tue 22 Jul.", "fact": "2053-07-21T02:11:23Z → 2053-07-22T02:03:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 21st, 11:46–12:34 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23698 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Erbil, 2053: Monday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-21", "confidence": "determinate" } ], "quote": "In Erbil, Vivasvat Saptamī 2053 falls on Monday 21 July. Saptamī runs from 05:11 on Mon 21 Jul to 05:03 on Tue 22 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-07-26", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12817, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-07-25T08:39:43+03:00", "utc": "2053-07-25T05:39:43Z", "ms": 2637034782587.3833 }, "end": { "local": "2053-07-26T10:46:41+03:00", "utc": "2053-07-26T07:46:41Z", "ms": 2637128801167.6387 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-25T08:39:43+03:00", "utc": "2053-07-25T05:39:43Z", "ms": 2637034782587.3833 }, "end": { "local": "2053-07-26T10:46:41+03:00", "utc": "2053-07-26T07:46:41Z", "ms": 2637128801167.6387 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-07-25", "window": { "start": { "local": "2053-07-25T05:06:05+03:00", "utc": "2053-07-25T02:06:05Z", "ms": 2637021965464.424 }, "end": { "local": "2053-07-25T05:06:05+03:00", "utc": "2053-07-25T02:06:05Z", "ms": 2637021965464.424 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-07-26", "window": { "start": { "local": "2053-07-26T05:06:51+03:00", "utc": "2053-07-26T02:06:51Z", "ms": 2637108411048.606 }, "end": { "local": "2053-07-26T05:06:51+03:00", "utc": "2053-07-26T02:06:51Z", "ms": 2637108411048.606 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:40 on Fri 25 Jul to 10:47 on Sat 26 Jul.", "fact": "2053-07-25T05:39:43Z → 2053-07-26T07:46:41Z" }, { "step": "kaala", "text": "Sunrise is at 05:06 on the 25th and 05:07 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12817 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Erbil, 2053: Saturday 26 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": "2053-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-26", "confidence": "determinate" } ], "quote": "In Erbil, Hariśayanī Ekādaśī 2053 falls on Saturday 26 July. Ekādaśī runs from 08:40 on Fri 25 Jul to 10:47 on Sat 26 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-07-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-07-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13330, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-07-27T13:06:11+03:00", "utc": "2053-07-27T10:06:11Z", "ms": 2637223570574.5923 }, "end": { "local": "2053-07-28T15:30:11+03:00", "utc": "2053-07-28T12:30:11Z", "ms": 2637318610764.3647 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-27T13:06:11+03:00", "utc": "2053-07-27T10:06:11Z", "ms": 2637223570574.5923 }, "end": { "local": "2053-07-28T15:30:11+03:00", "utc": "2053-07-28T12:30:11Z", "ms": 2637318610764.3647 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-07-27", "window": { "start": { "local": "2053-07-27T19:13:10+03:00", "utc": "2053-07-27T16:13:10Z", "ms": 2637245590163.129 }, "end": { "local": "2053-07-27T20:32:32+03:00", "utc": "2053-07-27T17:32:32Z", "ms": 2637250351892.3535 } }, "covered_min": 79, "window_min": 79, "qualifies": true }, { "local_date": "2053-07-28", "window": { "start": { "local": "2053-07-28T19:12:21+03:00", "utc": "2053-07-28T16:12:21Z", "ms": 2637331940700.5586 }, "end": { "local": "2053-07-28T20:31:55+03:00", "utc": "2053-07-28T17:31:55Z", "ms": 2637336715218.02 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:06 on Sun 27 Jul to 15:30 on Mon 28 Jul.", "fact": "2053-07-27T10:06:11Z → 2053-07-28T12:30:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:33 on the 27th, 19:12–20:32 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 79 of 79 minutes on the 27th and 0 of 80 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 13330 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Sunday 27 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": "2053-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-27", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Sunday 27 July. Trayodaśī runs from 13:06 on Sun 27 Jul to 15:30 on Mon 28 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-07-27", "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/2053/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1452, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-07-29", "window": { "start": { "local": "2053-07-29T19:11:30+03:00", "utc": "2053-07-29T16:11:30Z", "ms": 2637418289764.5376 }, "end": { "local": "2053-07-29T20:31:17+03:00", "utc": "2053-07-29T17:31:17Z", "ms": 2637423077298.7256 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2053-07-30", "window": { "start": { "local": "2053-07-30T19:10:37+03:00", "utc": "2053-07-30T16:10:37Z", "ms": 2637504637381.0083 }, "end": { "local": "2053-07-30T20:30:38+03:00", "utc": "2053-07-30T17:30:38Z", "ms": 2637509438154.0356 } }, "covered_min": 56, "window_min": 80, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul.", "fact": "2053-07-29T14:52:04Z → 2053-07-30T17:06:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:31 on the 29th, 19:11–20:31 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 80 of 80 minutes on the 29th and 56 of 80 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "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 1452 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Erbil, 2053: Tuesday 29 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-07-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-29", "confidence": "boundary" } ], "quote": "In Erbil, Śiva Śayanotsava 2053 falls on Tuesday 29 July. Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 56 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/2053/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/2053/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32657, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 } }, "kaala": "udaya-3", "days": [ { "local_date": "2053-07-30", "window": { "start": { "local": "2053-07-30T05:09:56+03:00", "utc": "2053-07-30T02:09:56Z", "ms": 2637454196270.9487 }, "end": { "local": "2053-07-30T07:58:04+03:00", "utc": "2053-07-30T04:58:04Z", "ms": 2637464284492.9604 } }, "covered_min": 168, "window_min": 168, "qualifies": true }, { "local_date": "2053-07-31", "window": { "start": { "local": "2053-07-31T05:10:43+03:00", "utc": "2053-07-31T02:10:43Z", "ms": 2637540643178.7124 }, "end": { "local": "2053-07-31T07:58:31+03:00", "utc": "2053-07-31T04:58:31Z", "ms": 2637550711258.272 } }, "covered_min": 0, "window_min": 168, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul.", "fact": "2053-07-29T14:52:04Z → 2053-07-30T17:06:26Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:10–07:58 on the 30th, 05:11–07:59 on the 31st.", "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 168 of 168 minutes on the 30th and 0 of 168 on the 31st.", "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 32657 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Erbil, 2053: Wednesday 30 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": "2053-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-30", "confidence": "determinate" } ], "quote": "In Erbil, Vyāsa Pūjā 2053 falls on Wednesday 30 July. Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19064, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-07-29", "window": { "start": { "local": "2053-07-29T11:46:20+03:00", "utc": "2053-07-29T08:46:20Z", "ms": 2637391579673.0283 }, "end": { "local": "2053-07-29T12:34:20+03:00", "utc": "2053-07-29T09:34:20Z", "ms": 2637394459673.0283 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-07-30", "window": { "start": { "local": "2053-07-30T11:46:17+03:00", "utc": "2053-07-30T08:46:17Z", "ms": 2637477976825.9785 }, "end": { "local": "2053-07-30T12:34:17+03:00", "utc": "2053-07-30T09:34:17Z", "ms": 2637480856825.9785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul.", "fact": "2053-07-29T14:52:04Z → 2053-07-30T17:06:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 29th, 11:46–12:34 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19064 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Erbil, 2053: Wednesday 30 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": "2053-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-30", "confidence": "determinate" } ], "quote": "In Erbil, Guru Pūrṇimā 2053 falls on Wednesday 30 July. Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-07-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3349, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2053-07-29T17:52:04+03:00", "utc": "2053-07-29T14:52:04Z", "ms": 2637413523765.6665 }, "end": { "local": "2053-07-30T20:06:26+03:00", "utc": "2053-07-30T17:06:26Z", "ms": 2637507986210.065 } }, "kaala": "sayahna", "days": [ { "local_date": "2053-07-29", "window": { "start": { "local": "2053-07-29T16:23:02+03:00", "utc": "2053-07-29T13:23:02Z", "ms": 2637408181727.934 }, "end": { "local": "2053-07-29T19:11:30+03:00", "utc": "2053-07-29T16:11:30Z", "ms": 2637418289764.5376 } }, "covered_min": 79, "window_min": 168, "qualifies": true }, { "local_date": "2053-07-30", "window": { "start": { "local": "2053-07-30T16:22:29+03:00", "utc": "2053-07-30T13:22:29Z", "ms": 2637494549158.9966 }, "end": { "local": "2053-07-30T19:10:37+03:00", "utc": "2053-07-30T16:10:37Z", "ms": 2637504637381.0083 } }, "covered_min": 168, "window_min": 168, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul.", "fact": "2053-07-29T14:52:04Z → 2053-07-30T17:06:26Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:23–19:11 on the 29th, 16:22–19:11 on the 30th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 79 of 168 minutes on the 29th and 168 of 168 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 3349 s" }, { "step": "ruling", "text": "Kokilā Vrata, Erbil, 2053: Wednesday 30 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2053-07-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-07-30", "confidence": "boundary" } ], "quote": "In Erbil, Kokilā Vrata 2053 falls on Wednesday 30 July. Pūrṇimā runs from 17:52 on Tue 29 Jul to 20:06 on Wed 30 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 79 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/2053/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/2053/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9511, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2053-07-31T22:08:42+03:00", "utc": "2053-07-31T19:08:42Z", "ms": 2637601722371.684 }, "end": { "local": "2053-08-01T23:54:32+03:00", "utc": "2053-08-01T20:54:32Z", "ms": 2637694472121.267 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-07-31T22:08:42+03:00", "utc": "2053-07-31T19:08:42Z", "ms": 2637601722371.684 }, "end": { "local": "2053-08-01T23:54:32+03:00", "utc": "2053-08-01T20:54:32Z", "ms": 2637694472121.267 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-07-31", "window": { "start": { "local": "2053-07-31T19:30:11+03:00", "utc": "2053-07-31T16:30:11Z", "ms": 2637592211037.7046 }, "end": { "local": "2053-07-31T19:30:11+03:00", "utc": "2053-07-31T16:30:11Z", "ms": 2637592211037.7046 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-08-01", "window": { "start": { "local": "2053-08-01T20:05:29+03:00", "utc": "2053-08-01T17:05:29Z", "ms": 2637680729473.8833 }, "end": { "local": "2053-08-01T20:05:29+03:00", "utc": "2053-08-01T17:05:29Z", "ms": 2637680729473.8833 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 22:09 on Thu 31 Jul to 23:55 on Fri 1 Aug.", "fact": "2053-07-31T19:08:42Z → 2053-08-01T20:54:32Z" }, { "step": "kaala", "text": "Moonrise is at 19:30 on the 31st and 20:05 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9511 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Erbil, 2053: Friday 1 August.", "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": "2053-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-01", "confidence": "determinate" } ], "quote": "In Erbil, Aśūnya Śayana Vrata (Āṣāḍha) 2053 falls on Friday 1 August. Dvitīyā runs from 22:09 on Thu 31 Jul to 23:55 on Fri 1 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-08-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16810, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-08-03T01:19:27+03:00", "utc": "2053-08-02T22:19:27Z", "ms": 2637785967443.5933 }, "end": { "local": "2053-08-04T02:18:47+03:00", "utc": "2053-08-03T23:18:47Z", "ms": 2637875927125.359 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-03T01:19:27+03:00", "utc": "2053-08-02T22:19:27Z", "ms": 2637785967443.5933 }, "end": { "local": "2053-08-04T02:18:47+03:00", "utc": "2053-08-03T23:18:47Z", "ms": 2637875927125.359 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-08-02", "window": { "start": { "local": "2053-08-02T20:39:18+03:00", "utc": "2053-08-02T17:39:18Z", "ms": 2637769157531.934 }, "end": { "local": "2053-08-02T20:39:18+03:00", "utc": "2053-08-02T17:39:18Z", "ms": 2637769157531.934 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-08-03", "window": { "start": { "local": "2053-08-03T21:12:26+03:00", "utc": "2053-08-03T18:12:26Z", "ms": 2637857545582.288 }, "end": { "local": "2053-08-03T21:12:26+03:00", "utc": "2053-08-03T18:12:26Z", "ms": 2637857545582.288 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:19 on Sun 3 Aug to 02:19 on Mon 4 Aug.", "fact": "2053-08-02T22:19:27Z → 2053-08-03T23:18:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 2nd and 21:12 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16810 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Sunday 3 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": "2053-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-03", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Sunday 3 August. Caturthī runs from 01:19 on Sun 3 Aug to 02:19 on Mon 4 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ekadashi?on=2053-08-10", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32635, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-08-09T20:14:45+03:00", "utc": "2053-08-09T17:14:45Z", "ms": 2638372484944.4683 }, "end": { "local": "2053-08-10T17:18:13+03:00", "utc": "2053-08-10T14:18:13Z", "ms": 2638448292823.5317 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-09T20:14:45+03:00", "utc": "2053-08-09T17:14:45Z", "ms": 2638372484944.4683 }, "end": { "local": "2053-08-10T17:18:13+03:00", "utc": "2053-08-10T14:18:13Z", "ms": 2638448292823.5317 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-08-10", "window": { "start": { "local": "2053-08-10T05:18:40+03:00", "utc": "2053-08-10T02:18:40Z", "ms": 2638405120193.406 }, "end": { "local": "2053-08-10T05:18:40+03:00", "utc": "2053-08-10T02:18:40Z", "ms": 2638405120193.406 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-08-11", "window": { "start": { "local": "2053-08-11T05:19:28+03:00", "utc": "2053-08-11T02:19:28Z", "ms": 2638491568322.505 }, "end": { "local": "2053-08-11T05:19:28+03:00", "utc": "2053-08-11T02:19:28Z", "ms": 2638491568322.505 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:15 on Sat 9 Aug to 17:18 on Sun 10 Aug.", "fact": "2053-08-09T17:14:45Z → 2053-08-10T14:18:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:19 on the 10th and 05:19 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 32635 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Erbil, 2053: Sunday 10 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": "2053-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-10", "confidence": "determinate" } ], "quote": "In Erbil, Kāmikā Ekādaśī 2053 falls on Sunday 10 August. Ekādaśī runs from 20:15 on Sat 9 Aug to 17:18 on Sun 10 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-08-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17800, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-08-11T14:01:46+03:00", "utc": "2053-08-11T11:01:46Z", "ms": 2638522906196.6016 }, "end": { "local": "2053-08-12T10:33:55+03:00", "utc": "2053-08-12T07:33:55Z", "ms": 2638596834525.722 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-11T14:01:46+03:00", "utc": "2053-08-11T11:01:46Z", "ms": 2638522906196.6016 }, "end": { "local": "2053-08-12T10:33:55+03:00", "utc": "2053-08-12T07:33:55Z", "ms": 2638596834525.722 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-08-11", "window": { "start": { "local": "2053-08-11T18:58:26+03:00", "utc": "2053-08-11T15:58:26Z", "ms": 2638540705849.133 }, "end": { "local": "2053-08-11T20:21:21+03:00", "utc": "2053-08-11T17:21:21Z", "ms": 2638545680597.588 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2053-08-12", "window": { "start": { "local": "2053-08-12T18:57:17+03:00", "utc": "2053-08-12T15:57:17Z", "ms": 2638627037147.6123 }, "end": { "local": "2053-08-12T20:20:27+03:00", "utc": "2053-08-12T17:20:27Z", "ms": 2638632027474.037 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:02 on Mon 11 Aug to 10:34 on Tue 12 Aug.", "fact": "2053-08-11T11:01:46Z → 2053-08-12T07:33:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 11th, 18:57–20:20 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 11th and 0 of 83 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17800 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Monday 11 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": "2053-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-11", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Monday 11 August. Trayodaśī runs from 14:02 on Mon 11 Aug to 10:34 on Tue 12 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-08-11", "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/2053/shivaratri?on=2053-08-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23442, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-08-12T10:33:55+03:00", "utc": "2053-08-12T07:33:55Z", "ms": 2638596834525.722 }, "end": { "local": "2053-08-13T07:03:53+03:00", "utc": "2053-08-13T04:03:53Z", "ms": 2638670633139.4336 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-12T10:33:55+03:00", "utc": "2053-08-12T07:33:55Z", "ms": 2638596834525.722 }, "end": { "local": "2053-08-13T07:03:53+03:00", "utc": "2053-08-13T04:03:53Z", "ms": 2638670633139.4336 } }, "kaala": "nishita", "days": [ { "local_date": "2053-08-11", "window": { "start": { "local": "2053-08-11T23:45:21+03:00", "utc": "2053-08-11T20:45:21Z", "ms": 2638557921155.839 }, "end": { "local": "2053-08-12T00:33:21+03:00", "utc": "2053-08-11T21:33:21Z", "ms": 2638560801155.839 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-08-12", "window": { "start": { "local": "2053-08-12T23:45:11+03:00", "utc": "2053-08-12T20:45:11Z", "ms": 2638644310871.705 }, "end": { "local": "2053-08-13T00:33:11+03:00", "utc": "2053-08-12T21:33:11Z", "ms": 2638647190871.705 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:34 on Tue 12 Aug to 07:04 on Wed 13 Aug.", "fact": "2053-08-12T07:33:55Z → 2053-08-13T04:03:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 11th, 23:45–00:33 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23442 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Tuesday 12 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": "2053-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-12", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Tuesday 12 August. Caturdaśī runs from 10:34 on Tue 12 Aug to 07:04 on Wed 13 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26355, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-08-15T21:56:23+03:00", "utc": "2053-08-15T18:56:23Z", "ms": 2638896982571.6636 }, "end": { "local": "2053-08-16T19:51:16+03:00", "utc": "2053-08-16T16:51:16Z", "ms": 2638975875669.2256 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-15T21:56:23+03:00", "utc": "2053-08-15T18:56:23Z", "ms": 2638896982571.6636 }, "end": { "local": "2053-08-16T19:51:16+03:00", "utc": "2053-08-16T16:51:16Z", "ms": 2638975875669.2256 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-15", "window": { "start": { "local": "2053-08-15T11:44:13+03:00", "utc": "2053-08-15T08:44:13Z", "ms": 2638860252747.594 }, "end": { "local": "2053-08-15T12:32:13+03:00", "utc": "2053-08-15T09:32:13Z", "ms": 2638863132747.594 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-08-16", "window": { "start": { "local": "2053-08-16T11:44:00+03:00", "utc": "2053-08-16T08:44:00Z", "ms": 2638946640335.885 }, "end": { "local": "2053-08-16T12:32:00+03:00", "utc": "2053-08-16T09:32:00Z", "ms": 2638949520335.885 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:56 on Fri 15 Aug to 19:51 on Sat 16 Aug.", "fact": "2053-08-15T18:56:23Z → 2053-08-16T16:51:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 15th, 11:44–12:32 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26355 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Erbil, 2053: Saturday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-16", "confidence": "determinate" } ], "quote": "In Erbil, Madhusravā Tṛtīyā (Hariyali Teej) 2053 falls on Saturday 16 August. Tṛtīyā runs from 21:56 on Fri 15 Aug to 19:51 on Sat 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-08-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21312, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-08-16T19:51:16+03:00", "utc": "2053-08-16T16:51:16Z", "ms": 2638975875669.2256 }, "end": { "local": "2053-08-17T18:26:59+03:00", "utc": "2053-08-17T15:26:59Z", "ms": 2639057219179.088 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-16T19:51:16+03:00", "utc": "2053-08-16T16:51:16Z", "ms": 2638975875669.2256 }, "end": { "local": "2053-08-17T18:26:59+03:00", "utc": "2053-08-17T15:26:59Z", "ms": 2639057219179.088 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-16", "window": { "start": { "local": "2053-08-16T11:44:00+03:00", "utc": "2053-08-16T08:44:00Z", "ms": 2638946640335.885 }, "end": { "local": "2053-08-16T12:32:00+03:00", "utc": "2053-08-16T09:32:00Z", "ms": 2638949520335.885 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-08-17", "window": { "start": { "local": "2053-08-17T11:43:47+03:00", "utc": "2053-08-17T08:43:47Z", "ms": 2639033027403.667 }, "end": { "local": "2053-08-17T12:31:47+03:00", "utc": "2053-08-17T09:31:47Z", "ms": 2639035907403.667 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:51 on Sat 16 Aug to 18:27 on Sun 17 Aug.", "fact": "2053-08-16T16:51:16Z → 2053-08-17T15:26:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:44–12:32 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21312 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Sunday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-17", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Sunday 17 August. Caturthī runs from 19:51 on Sat 16 Aug to 18:27 on Sun 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-08-17", "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/2053/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18975, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-08-17T18:26:59+03:00", "utc": "2053-08-17T15:26:59Z", "ms": 2639057219179.088 }, "end": { "local": "2053-08-18T17:47:49+03:00", "utc": "2053-08-18T14:47:49Z", "ms": 2639141269389.89 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-17T18:26:59+03:00", "utc": "2053-08-17T15:26:59Z", "ms": 2639057219179.088 }, "end": { "local": "2053-08-18T17:47:49+03:00", "utc": "2053-08-18T14:47:49Z", "ms": 2639141269389.89 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-17", "window": { "start": { "local": "2053-08-17T11:43:47+03:00", "utc": "2053-08-17T08:43:47Z", "ms": 2639033027403.667 }, "end": { "local": "2053-08-17T12:31:47+03:00", "utc": "2053-08-17T09:31:47Z", "ms": 2639035907403.667 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-08-18", "window": { "start": { "local": "2053-08-18T11:43:34+03:00", "utc": "2053-08-18T08:43:34Z", "ms": 2639119413958.6855 }, "end": { "local": "2053-08-18T12:31:34+03:00", "utc": "2053-08-18T09:31:34Z", "ms": 2639122293958.6855 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:27 on Sun 17 Aug to 17:48 on Mon 18 Aug.", "fact": "2053-08-17T15:26:59Z → 2053-08-18T14:47:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 17th, 11:44–12:32 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18975 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Erbil, 2053: Monday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-18", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Pañcamī 2053 falls on Monday 18 August. Pañcamī runs from 18:27 on Sun 17 Aug to 17:48 on Mon 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-08-24", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9087, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-08-24T00:33:48+03:00", "utc": "2053-08-23T21:33:48Z", "ms": 2639597627747.988 }, "end": { "local": "2053-08-25T02:59:10+03:00", "utc": "2053-08-24T23:59:10Z", "ms": 2639692750463.0757 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-24T00:33:48+03:00", "utc": "2053-08-23T21:33:48Z", "ms": 2639597627747.988 }, "end": { "local": "2053-08-25T02:59:10+03:00", "utc": "2053-08-24T23:59:10Z", "ms": 2639692750463.0757 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-08-24", "window": { "start": { "local": "2053-08-24T05:29:50+03:00", "utc": "2053-08-24T02:29:50Z", "ms": 2639615389800.573 }, "end": { "local": "2053-08-24T05:29:50+03:00", "utc": "2053-08-24T02:29:50Z", "ms": 2639615389800.573 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-08-25", "window": { "start": { "local": "2053-08-25T05:30:37+03:00", "utc": "2053-08-25T02:30:37Z", "ms": 2639701836973.8647 }, "end": { "local": "2053-08-25T05:30:37+03:00", "utc": "2053-08-25T02:30:37Z", "ms": 2639701836973.8647 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:34 on Sun 24 Aug to 02:59 on Mon 25 Aug.", "fact": "2053-08-23T21:33:48Z → 2053-08-24T23:59:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:30 on the 24th and 05:31 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9087 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Erbil, 2053: Sunday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-24", "confidence": "determinate" } ], "quote": "In Erbil, Putradā Ekādaśī 2053 falls on Sunday 24 August. Ekādaśī runs from 00:34 on Sun 24 Aug to 02:59 on Mon 25 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22809, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-08-25T02:59:10+03:00", "utc": "2053-08-24T23:59:10Z", "ms": 2639692750463.0757 }, "end": { "local": "2053-08-26T05:21:21+03:00", "utc": "2053-08-26T02:21:21Z", "ms": 2639787680613.307 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-25T02:59:10+03:00", "utc": "2053-08-24T23:59:10Z", "ms": 2639692750463.0757 }, "end": { "local": "2053-08-26T05:21:21+03:00", "utc": "2053-08-26T02:21:21Z", "ms": 2639787680613.307 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-25", "window": { "start": { "local": "2053-08-25T11:41:46+03:00", "utc": "2053-08-25T08:41:46Z", "ms": 2639724106425.5317 }, "end": { "local": "2053-08-25T12:29:46+03:00", "utc": "2053-08-25T09:29:46Z", "ms": 2639726986425.5317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-08-26", "window": { "start": { "local": "2053-08-26T11:41:29+03:00", "utc": "2053-08-26T08:41:29Z", "ms": 2639810489313.214 }, "end": { "local": "2053-08-26T12:29:29+03:00", "utc": "2053-08-26T09:29:29Z", "ms": 2639813369313.214 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:59 on Mon 25 Aug to 05:21 on Tue 26 Aug.", "fact": "2053-08-24T23:59:10Z → 2053-08-26T02:21:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 25th, 11:41–12:29 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22809 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Erbil, 2053: Monday 25 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": "2053-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-25", "confidence": "determinate" } ], "quote": "In Erbil, Dāmodara Dvādaśī 2053 falls on Monday 25 August. Dvādaśī runs from 02:59 on Mon 25 Aug to 05:21 on Tue 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-08-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33221, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-08-26T05:21:21+03:00", "utc": "2053-08-26T02:21:21Z", "ms": 2639787680613.307 }, "end": { "local": "2053-08-27T07:31:38+03:00", "utc": "2053-08-27T04:31:38Z", "ms": 2639881898088.748 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-26T05:21:21+03:00", "utc": "2053-08-26T02:21:21Z", "ms": 2639787680613.307 }, "end": { "local": "2053-08-27T07:31:38+03:00", "utc": "2053-08-27T04:31:38Z", "ms": 2639881898088.748 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-08-25", "window": { "start": { "local": "2053-08-25T18:40:56+03:00", "utc": "2053-08-25T15:40:56Z", "ms": 2639749255877.1987 }, "end": { "local": "2053-08-25T20:07:40+03:00", "utc": "2053-08-25T17:07:40Z", "ms": 2639754459633.0146 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2053-08-26", "window": { "start": { "local": "2053-08-26T18:39:35+03:00", "utc": "2053-08-26T15:39:35Z", "ms": 2639835574580.6094 }, "end": { "local": "2053-08-26T20:06:35+03:00", "utc": "2053-08-26T17:06:35Z", "ms": 2639840795439.193 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:21 on Tue 26 Aug to 07:32 on Wed 27 Aug.", "fact": "2053-08-26T02:21:21Z → 2053-08-27T04:31:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:08 on the 25th, 18:40–20:07 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 25th and 87 of 87 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33221 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Tuesday 26 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": "2053-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-26", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Tuesday 26 August. Trayodaśī runs from 05:21 on Tue 26 Aug to 07:32 on Wed 27 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-08-26", "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/2053/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 19159, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-08-28T09:23:38+03:00", "utc": "2053-08-28T06:23:38Z", "ms": 2639975017971.5635 }, "end": { "local": "2053-08-29T10:53:04+03:00", "utc": "2053-08-29T07:53:04Z", "ms": 2640066784028.7583 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2053-08-28T22:11:22+03:00", "utc": "2053-08-28T19:11:22Z", "ms": 2640021081843.753 }, "end": { "local": "2053-08-29T10:53:04+03:00", "utc": "2053-08-29T07:53:04Z", "ms": 2640066784028.7583 } }, "kaala": "day", "days": [ { "local_date": "2053-08-28", "window": { "start": { "local": "2053-08-28T05:32:58+03:00", "utc": "2053-08-28T02:32:58Z", "ms": 2639961177901.2036 }, "end": { "local": "2053-08-29T05:33:45+03:00", "utc": "2053-08-29T02:33:45Z", "ms": 2640047624695.529 } }, "covered_min": 442, "window_min": 1441, "qualifies": true }, { "local_date": "2053-08-29", "window": { "start": { "local": "2053-08-29T05:33:45+03:00", "utc": "2053-08-29T02:33:45Z", "ms": 2640047624695.529 }, "end": { "local": "2053-08-30T05:34:31+03:00", "utc": "2053-08-30T02:34:31Z", "ms": 2640134071410.1733 } }, "covered_min": 319, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:24 on Thu 28 Aug to 10:53 on Fri 29 Aug. Its second half begins at 22:11 on Thu 28 Aug.", "fact": "2053-08-28T06:23:38Z → 2053-08-29T07:53:04Z · second half from 2053-08-28T19:11:22Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:33 on the 28th, and from 05:34 on the 29th.", "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 442 of 1441 minutes on the 28th and 319 of 1441 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 19159 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Erbil, 2053: Thursday 28 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-08-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-28", "confidence": "boundary" } ], "quote": "In Erbil, Rakṣā Bandhana (Rakhi) 2053 falls on Thursday 28 August. The second half of Pūrṇimā runs from 22:11 on Thu 28 Aug to 10:53 on Fri 29 Aug and falls on two days: 442 minutes of it on the 28th, 319 on the 29th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2852, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-08-28T09:23:38+03:00", "utc": "2053-08-28T06:23:38Z", "ms": 2639975017971.5635 }, "end": { "local": "2053-08-29T10:53:04+03:00", "utc": "2053-08-29T07:53:04Z", "ms": 2640066784028.7583 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2053-08-28T09:23:38+03:00", "utc": "2053-08-28T06:23:38Z", "ms": 2639975017971.5635 }, "end": { "local": "2053-08-29T10:53:04+03:00", "utc": "2053-08-29T07:53:04Z", "ms": 2640066784028.7583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-28", "window": { "start": { "local": "2053-08-28T11:40:54+03:00", "utc": "2053-08-28T08:40:54Z", "ms": 2639983253938.1777 }, "end": { "local": "2053-08-28T12:28:54+03:00", "utc": "2053-08-28T09:28:54Z", "ms": 2639986133938.1777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-08-29", "window": { "start": { "local": "2053-08-29T11:40:36+03:00", "utc": "2053-08-29T08:40:36Z", "ms": 2640069635712.075 }, "end": { "local": "2053-08-29T12:28:36+03:00", "utc": "2053-08-29T09:28:36Z", "ms": 2640072515712.075 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:24 on Thu 28 Aug to 10:53 on Fri 29 Aug.", "fact": "2053-08-28T06:23:38Z → 2053-08-29T07:53:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 28th, 11:41–12:29 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2852 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Erbil, 2053: Thursday 28 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": "2053-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-28", "confidence": "boundary" } ], "quote": "In Erbil, Ṛṣi Tarpaṇa 2053 falls on Thursday 28 August. Pūrṇimā runs from 09:24 on Thu 28 Aug to 10:53 on Fri 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25979, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2053-08-30T11:57:23+03:00", "utc": "2053-08-30T08:57:23Z", "ms": 2640157043235.32 }, "end": { "local": "2053-08-31T12:35:14+03:00", "utc": "2053-08-31T09:35:14Z", "ms": 2640245714462.4805 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-08-30T11:57:23+03:00", "utc": "2053-08-30T08:57:23Z", "ms": 2640157043235.32 }, "end": { "local": "2053-08-31T12:35:14+03:00", "utc": "2053-08-31T09:35:14Z", "ms": 2640245714462.4805 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-08-30", "window": { "start": { "local": "2053-08-30T19:14:33+03:00", "utc": "2053-08-30T16:14:33Z", "ms": 2640183273172.772 }, "end": { "local": "2053-08-30T19:14:33+03:00", "utc": "2053-08-30T16:14:33Z", "ms": 2640183273172.772 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-08-31", "window": { "start": { "local": "2053-08-31T19:48:14+03:00", "utc": "2053-08-31T16:48:14Z", "ms": 2640271693744.618 }, "end": { "local": "2053-08-31T19:48:14+03:00", "utc": "2053-08-31T16:48:14Z", "ms": 2640271693744.618 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:57 on Sat 30 Aug to 12:35 on Sun 31 Aug.", "fact": "2053-08-30T08:57:23Z → 2053-08-31T09:35:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:15 on the 30th and 19:48 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 30th and is not on the 31st.", "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 25979 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Erbil, 2053: Saturday 30 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": "2053-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-08-30", "confidence": "determinate" } ], "quote": "In Erbil, Aśūnya Śayana Vrata 2053 falls on Saturday 30 August. Dvitīyā runs from 11:57 on Sat 30 Aug to 12:35 on Sun 31 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 436, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-08-31T12:35:14+03:00", "utc": "2053-08-31T09:35:14Z", "ms": 2640245714462.4805 }, "end": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-08-31T12:35:14+03:00", "utc": "2053-08-31T09:35:14Z", "ms": 2640245714462.4805 }, "end": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-08-31", "window": { "start": { "local": "2053-08-31T11:39:58+03:00", "utc": "2053-08-31T08:39:58Z", "ms": 2640242398278.9385 }, "end": { "local": "2053-08-31T12:27:58+03:00", "utc": "2053-08-31T09:27:58Z", "ms": 2640245278278.9385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-09-01", "window": { "start": { "local": "2053-09-01T11:39:39+03:00", "utc": "2053-09-01T08:39:39Z", "ms": 2640328779111.868 }, "end": { "local": "2053-09-01T12:27:39+03:00", "utc": "2053-09-01T09:27:39Z", "ms": 2640331659111.868 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:35 on Sun 31 Aug to 12:46 on Mon 1 Sep.", "fact": "2053-08-31T09:35:14Z → 2053-09-01T09:46:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 31st, 11:40–12:28 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 436 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Erbil, 2053: Monday 1 September.", "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": "2053-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-01", "confidence": "determinate" } ], "quote": "In Erbil, Kajjalī Tṛtīyā (Kajari Teej) 2053 falls on Monday 1 September. Tṛtīyā runs from 12:35 on Sun 31 Aug to 12:46 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11410, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 }, "end": { "local": "2053-09-02T12:29:35+03:00", "utc": "2053-09-02T09:29:35Z", "ms": 2640418175200.1006 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 }, "end": { "local": "2053-09-02T12:29:35+03:00", "utc": "2053-09-02T09:29:35Z", "ms": 2640418175200.1006 } }, "kaala": "sayahna", "days": [ { "local_date": "2053-09-01", "window": { "start": { "local": "2053-09-01T15:56:12+03:00", "utc": "2053-09-01T12:56:12Z", "ms": 2640344171798.5054 }, "end": { "local": "2053-09-01T18:31:14+03:00", "utc": "2053-09-01T15:31:14Z", "ms": 2640353473589.5967 } }, "covered_min": 155, "window_min": 155, "qualifies": true }, { "local_date": "2053-09-02", "window": { "start": { "local": "2053-09-02T15:55:13+03:00", "utc": "2053-09-02T12:55:13Z", "ms": 2640430512777.273 }, "end": { "local": "2053-09-02T18:29:48+03:00", "utc": "2053-09-02T15:29:48Z", "ms": 2640439788181.064 } }, "covered_min": 0, "window_min": 155, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:46 on Mon 1 Sep to 12:30 on Tue 2 Sep.", "fact": "2053-09-01T09:46:01Z → 2053-09-02T09:29:35Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:56–18:31 on the 1st, 15:55–18:30 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 155 of 155 minutes on the 1st and 0 of 155 on the 2nd.", "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 11410 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Erbil, 2053: Monday 1 September.", "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": "2053-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-01", "confidence": "determinate" } ], "quote": "In Erbil, Bahulā Caturthī 2053 falls on Monday 1 September. Caturthī runs from 12:46 on Mon 1 Sep to 12:30 on Tue 2 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-09-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27405, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 }, "end": { "local": "2053-09-02T12:29:35+03:00", "utc": "2053-09-02T09:29:35Z", "ms": 2640418175200.1006 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-01T12:46:01+03:00", "utc": "2053-09-01T09:46:01Z", "ms": 2640332761384.354 }, "end": { "local": "2053-09-02T12:29:35+03:00", "utc": "2053-09-02T09:29:35Z", "ms": 2640418175200.1006 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-09-01", "window": { "start": { "local": "2053-09-01T20:22:46+03:00", "utc": "2053-09-01T17:22:46Z", "ms": 2640360166147.6484 }, "end": { "local": "2053-09-01T20:22:46+03:00", "utc": "2053-09-01T17:22:46Z", "ms": 2640360166147.6484 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-09-02", "window": { "start": { "local": "2053-09-02T20:59:13+03:00", "utc": "2053-09-02T17:59:13Z", "ms": 2640448752594.5386 }, "end": { "local": "2053-09-02T20:59:13+03:00", "utc": "2053-09-02T17:59:13Z", "ms": 2640448752594.5386 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:46 on Mon 1 Sep to 12:30 on Tue 2 Sep.", "fact": "2053-09-01T09:46:01Z → 2053-09-02T09:29:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 1st and 20:59 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "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 27405 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Monday 1 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": "2053-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-01", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Monday 1 September. Caturthī runs from 12:46 on Mon 1 Sep to 12:30 on Tue 2 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 429, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-09-03T11:46:09+03:00", "utc": "2053-09-03T08:46:09Z", "ms": 2640501968674.8545 }, "end": { "local": "2053-09-04T10:36:20+03:00", "utc": "2053-09-04T07:36:20Z", "ms": 2640584179876.6577 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-03T11:46:09+03:00", "utc": "2053-09-03T08:46:09Z", "ms": 2640501968674.8545 }, "end": { "local": "2053-09-04T10:36:20+03:00", "utc": "2053-09-04T07:36:20Z", "ms": 2640584179876.6577 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-03", "window": { "start": { "local": "2053-09-03T11:39:00+03:00", "utc": "2053-09-03T08:39:00Z", "ms": 2640501539978.5176 }, "end": { "local": "2053-09-03T12:27:00+03:00", "utc": "2053-09-03T09:27:00Z", "ms": 2640504419978.5176 } }, "covered_min": 41, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-04", "window": { "start": { "local": "2053-09-04T11:38:40+03:00", "utc": "2053-09-04T08:38:40Z", "ms": 2640587920052.9062 }, "end": { "local": "2053-09-04T12:26:40+03:00", "utc": "2053-09-04T09:26:40Z", "ms": 2640590800052.9062 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:46 on Wed 3 Sep to 10:36 on Thu 4 Sep.", "fact": "2053-09-03T08:46:09Z → 2053-09-04T07:36:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 3rd, 11:39–12:27 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 41 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "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 429 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Erbil, 2053: Wednesday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-03", "confidence": "determinate" } ], "quote": "In Erbil, Hala Ṣaṣṭhī 2053 falls on Wednesday 3 September. Ṣaṣṭhī runs from 11:46 on Wed 3 Sep to 10:36 on Thu 4 Sep and covers 41 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3740, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-09-04T10:36:20+03:00", "utc": "2053-09-04T07:36:20Z", "ms": 2640584179876.6577 }, "end": { "local": "2053-09-05T09:01:22+03:00", "utc": "2053-09-05T06:01:22Z", "ms": 2640664882000.317 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-04T10:36:20+03:00", "utc": "2053-09-04T07:36:20Z", "ms": 2640584179876.6577 }, "end": { "local": "2053-09-05T09:01:22+03:00", "utc": "2053-09-05T06:01:22Z", "ms": 2640664882000.317 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-04", "window": { "start": { "local": "2053-09-04T11:38:40+03:00", "utc": "2053-09-04T08:38:40Z", "ms": 2640587920052.9062 }, "end": { "local": "2053-09-04T12:26:40+03:00", "utc": "2053-09-04T09:26:40Z", "ms": 2640590800052.9062 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-05", "window": { "start": { "local": "2053-09-05T11:38:20+03:00", "utc": "2053-09-05T08:38:20Z", "ms": 2640674299914.5947 }, "end": { "local": "2053-09-05T12:26:20+03:00", "utc": "2053-09-05T09:26:20Z", "ms": 2640677179914.5947 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:36 on Thu 4 Sep to 09:01 on Fri 5 Sep.", "fact": "2053-09-04T07:36:20Z → 2053-09-05T06:01:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 4th, 11:38–12:26 on the 5th.", "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 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: purvaviddha → only-day · margin 3740 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Erbil, 2053: Thursday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-04", "confidence": "determinate" } ], "quote": "In Erbil, Śītalā Saptamī 2053 falls on Thursday 4 September. Saptamī runs from 10:36 on Thu 4 Sep to 09:01 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23792, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-09-05T09:01:22+03:00", "utc": "2053-09-05T06:01:22Z", "ms": 2640664882000.317 }, "end": { "local": "2053-09-06T07:03:15+03:00", "utc": "2053-09-06T04:03:15Z", "ms": 2640744194936.982 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-05T09:01:22+03:00", "utc": "2053-09-05T06:01:22Z", "ms": 2640664882000.317 }, "end": { "local": "2053-09-06T07:03:15+03:00", "utc": "2053-09-06T04:03:15Z", "ms": 2640744194936.982 } }, "kaala": "nishita", "days": [ { "local_date": "2053-09-04", "window": { "start": { "local": "2053-09-04T23:39:03+03:00", "utc": "2053-09-04T20:39:03Z", "ms": 2640631143267.045 }, "end": { "local": "2053-09-05T00:27:03+03:00", "utc": "2053-09-04T21:27:03Z", "ms": 2640634023267.045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-09-05", "window": { "start": { "local": "2053-09-05T23:38:43+03:00", "utc": "2053-09-05T20:38:43Z", "ms": 2640717523121.331 }, "end": { "local": "2053-09-06T00:26:43+03:00", "utc": "2053-09-05T21:26:43Z", "ms": 2640720403121.331 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:01 on Fri 5 Sep to 07:03 on Sat 6 Sep.", "fact": "2053-09-05T06:01:22Z → 2053-09-06T04:03:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 4th, 23:39–00:27 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23792 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Erbil, 2053: Friday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-05", "confidence": "determinate" } ], "quote": "In Erbil, Janmāṣṭamī 2053 falls on Friday 5 September. Aṣṭamī runs from 09:01 on Fri 5 Sep to 07:03 on Sat 6 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-09-08", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12671, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-09-08T02:10:19+03:00", "utc": "2053-09-07T23:10:19Z", "ms": 2640899418680.6665 }, "end": { "local": "2053-09-08T23:24:25+03:00", "utc": "2053-09-08T20:24:25Z", "ms": 2640975864793.7266 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-08T02:10:19+03:00", "utc": "2053-09-07T23:10:19Z", "ms": 2640899418680.6665 }, "end": { "local": "2053-09-08T23:24:25+03:00", "utc": "2053-09-08T20:24:25Z", "ms": 2640975864793.7266 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-09-08", "window": { "start": { "local": "2053-09-08T05:41:30+03:00", "utc": "2053-09-08T02:41:30Z", "ms": 2640912089754.1587 }, "end": { "local": "2053-09-08T05:41:30+03:00", "utc": "2053-09-08T02:41:30Z", "ms": 2640912089754.1587 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-09-09", "window": { "start": { "local": "2053-09-09T05:42:16+03:00", "utc": "2053-09-09T02:42:16Z", "ms": 2640998536166.918 }, "end": { "local": "2053-09-09T05:42:16+03:00", "utc": "2053-09-09T02:42:16Z", "ms": 2640998536166.918 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:10 on Mon 8 Sep to 23:24 on Mon 8 Sep.", "fact": "2053-09-07T23:10:19Z → 2053-09-08T20:24:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 8th and 05:42 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12671 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Erbil, 2053: Monday 8 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": "2053-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-08", "confidence": "determinate" } ], "quote": "In Erbil, Ajā Ekādaśī 2053 falls on Monday 8 September. Ekādaśī runs from 02:10 on Mon 8 Sep to 23:24 on Mon 8 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-09-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2105, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-09-09T20:33:07+03:00", "utc": "2053-09-09T17:33:07Z", "ms": 2641051987004.1885 }, "end": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-09T20:33:07+03:00", "utc": "2053-09-09T17:33:07Z", "ms": 2641051987004.1885 }, "end": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-09-09", "window": { "start": { "local": "2053-09-09T18:19:39+03:00", "utc": "2053-09-09T15:19:39Z", "ms": 2641043979044.8545 }, "end": { "local": "2053-09-09T19:50:46+03:00", "utc": "2053-09-09T16:50:46Z", "ms": 2641049446184.312 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2053-09-10", "window": { "start": { "local": "2053-09-10T18:18:11+03:00", "utc": "2053-09-10T15:18:11Z", "ms": 2641130290758.3286 }, "end": { "local": "2053-09-10T19:49:36+03:00", "utc": "2053-09-10T16:49:36Z", "ms": 2641135775861.256 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:33 on Tue 9 Sep to 17:43 on Wed 10 Sep.", "fact": "2053-09-09T17:33:07Z → 2053-09-10T14:43:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:51 on the 9th, 18:18–19:50 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 9th and 0 of 91 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2105 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Tuesday 9 September.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-09", "confidence": "boundary" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Tuesday 9 September. Trayodaśī runs from 20:33 on Tue 9 Sep to 17:43 on Wed 10 Sep, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2105, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 }, "end": { "local": "2053-09-11T15:01:38+03:00", "utc": "2053-09-11T12:01:38Z", "ms": 2641204898470.409 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 }, "end": { "local": "2053-09-11T15:01:38+03:00", "utc": "2053-09-11T12:01:38Z", "ms": 2641204898470.409 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-09-10", "window": { "start": { "local": "2053-09-10T18:18:11+03:00", "utc": "2053-09-10T15:18:11Z", "ms": 2641130290758.3286 }, "end": { "local": "2053-09-10T19:49:36+03:00", "utc": "2053-09-10T16:49:36Z", "ms": 2641135775861.256 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2053-09-11", "window": { "start": { "local": "2053-09-11T18:16:42+03:00", "utc": "2053-09-11T15:16:42Z", "ms": 2641216602234.2925 }, "end": { "local": "2053-09-11T19:48:25+03:00", "utc": "2053-09-11T16:48:25Z", "ms": 2641222105335.031 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:43 on Wed 10 Sep to 15:02 on Thu 11 Sep.", "fact": "2053-09-10T14:43:06Z → 2053-09-11T12:01:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:50 on the 10th, 18:17–19:48 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 10th and 0 of 92 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 2105 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Erbil, 2053: Wednesday 10 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-10", "confidence": "determinate" } ], "quote": "In Erbil, Aghora Caturdaśī 2053 falls on Wednesday 10 September. Caturdaśī runs from 17:43 on Wed 10 Sep to 15:02 on Thu 11 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/shivaratri?on=2053-09-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21234, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 }, "end": { "local": "2053-09-11T15:01:38+03:00", "utc": "2053-09-11T12:01:38Z", "ms": 2641204898470.409 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-10T17:43:06+03:00", "utc": "2053-09-10T14:43:06Z", "ms": 2641128186233.658 }, "end": { "local": "2053-09-11T15:01:38+03:00", "utc": "2053-09-11T12:01:38Z", "ms": 2641204898470.409 } }, "kaala": "nishita", "days": [ { "local_date": "2053-09-10", "window": { "start": { "local": "2053-09-10T23:37:00+03:00", "utc": "2053-09-10T20:37:00Z", "ms": 2641149419894.3066 }, "end": { "local": "2053-09-11T00:25:00+03:00", "utc": "2053-09-10T21:25:00Z", "ms": 2641152299894.3066 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-11", "window": { "start": { "local": "2053-09-11T23:36:39+03:00", "utc": "2053-09-11T20:36:39Z", "ms": 2641235798862.0615 }, "end": { "local": "2053-09-12T00:24:39+03:00", "utc": "2053-09-11T21:24:39Z", "ms": 2641238678862.0615 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:43 on Wed 10 Sep to 15:02 on Thu 11 Sep.", "fact": "2053-09-10T14:43:06Z → 2053-09-11T12:01:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 10th, 23:37–00:25 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21234 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Wednesday 10 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": "2053-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-10", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Wednesday 10 September. Caturdaśī runs from 17:43 on Wed 10 Sep to 15:02 on Thu 11 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 745, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-09-12T12:36:19+03:00", "utc": "2053-09-12T09:36:19Z", "ms": 2641282579430.1133 }, "end": { "local": "2053-09-13T10:34:44+03:00", "utc": "2053-09-13T07:34:44Z", "ms": 2641361684499.6753 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-12T12:36:19+03:00", "utc": "2053-09-12T09:36:19Z", "ms": 2641282579430.1133 }, "end": { "local": "2053-09-13T10:34:44+03:00", "utc": "2053-09-13T07:34:44Z", "ms": 2641361684499.6753 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-12", "window": { "start": { "local": "2053-09-12T11:35:54+03:00", "utc": "2053-09-12T08:35:54Z", "ms": 2641278954493.584 }, "end": { "local": "2053-09-12T12:23:54+03:00", "utc": "2053-09-12T09:23:54Z", "ms": 2641281834493.584 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-09-13", "window": { "start": { "local": "2053-09-13T11:35:33+03:00", "utc": "2053-09-13T08:35:33Z", "ms": 2641365333272.9854 }, "end": { "local": "2053-09-13T12:23:33+03:00", "utc": "2053-09-13T09:23:33Z", "ms": 2641368213272.9854 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:36 on Fri 12 Sep to 10:35 on Sat 13 Sep.", "fact": "2053-09-12T09:36:19Z → 2053-09-13T07:34:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 12th, 11:36–12:24 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 745 s" }, { "step": "ruling", "text": "Rudra Vrata, Erbil, 2053: Saturday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-12", "confidence": "determinate" } ], "quote": "In Erbil, Rudra Vrata 2053 falls on Saturday 13 September. Pratipadā runs from 12:36 on Fri 12 Sep to 10:35 on Sat 13 Sep, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9070, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2053-09-14T09:04:02+03:00", "utc": "2053-09-14T06:04:02Z", "ms": 2641442641838.4863 }, "end": { "local": "2053-09-15T08:10:17+03:00", "utc": "2053-09-15T05:10:17Z", "ms": 2641525816535.869 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-14T09:04:02+03:00", "utc": "2053-09-14T06:04:02Z", "ms": 2641442641838.4863 }, "end": { "local": "2053-09-15T08:10:17+03:00", "utc": "2053-09-15T05:10:17Z", "ms": 2641525816535.869 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-14", "window": { "start": { "local": "2053-09-14T11:35:12+03:00", "utc": "2053-09-14T08:35:12Z", "ms": 2641451711985.7495 }, "end": { "local": "2053-09-14T12:23:12+03:00", "utc": "2053-09-14T09:23:12Z", "ms": 2641454591985.7495 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-15", "window": { "start": { "local": "2053-09-15T11:34:51+03:00", "utc": "2053-09-15T08:34:51Z", "ms": 2641538090646.8945 }, "end": { "local": "2053-09-15T12:22:51+03:00", "utc": "2053-09-15T09:22:51Z", "ms": 2641540970646.8945 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:04 on Sun 14 Sep to 08:10 on Mon 15 Sep.", "fact": "2053-09-14T06:04:02Z → 2053-09-15T05:10:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9070 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Erbil, 2053: Sunday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-14", "confidence": "determinate" } ], "quote": "In Erbil, Haritālikā Vrata (Hartalika Teej) 2053 falls on Sunday 14 September. Tṛtīyā runs from 09:04 on Sun 14 Sep to 08:10 on Mon 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12274, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-09-15T08:10:17+03:00", "utc": "2053-09-15T05:10:17Z", "ms": 2641525816535.869 }, "end": { "local": "2053-09-16T07:57:45+03:00", "utc": "2053-09-16T04:57:45Z", "ms": 2641611465315.943 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-15T08:10:17+03:00", "utc": "2053-09-15T05:10:17Z", "ms": 2641525816535.869 }, "end": { "local": "2053-09-16T07:57:45+03:00", "utc": "2053-09-16T04:57:45Z", "ms": 2641611465315.943 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-15", "window": { "start": { "local": "2053-09-15T11:34:51+03:00", "utc": "2053-09-15T08:34:51Z", "ms": 2641538090646.8945 }, "end": { "local": "2053-09-15T12:22:51+03:00", "utc": "2053-09-15T09:22:51Z", "ms": 2641540970646.8945 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-16", "window": { "start": { "local": "2053-09-16T11:34:29+03:00", "utc": "2053-09-16T08:34:29Z", "ms": 2641624469273.825 }, "end": { "local": "2053-09-16T12:22:29+03:00", "utc": "2053-09-16T09:22:29Z", "ms": 2641627349273.825 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:10 on Mon 15 Sep to 07:58 on Tue 16 Sep.", "fact": "2053-09-15T05:10:17Z → 2053-09-16T04:57:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 15th, 11:34–12:22 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12274 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Erbil, 2053: Monday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-15", "confidence": "determinate" } ], "quote": "In Erbil, Gaṇeśa Caturthī 2053 falls on Monday 15 September. Caturthī runs from 08:10 on Mon 15 Sep to 07:58 on Tue 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11163, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-09-16T07:57:45+03:00", "utc": "2053-09-16T04:57:45Z", "ms": 2641611465315.943 }, "end": { "local": "2053-09-17T08:28:05+03:00", "utc": "2053-09-17T05:28:05Z", "ms": 2641699685183.1494 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-16T07:57:45+03:00", "utc": "2053-09-16T04:57:45Z", "ms": 2641611465315.943 }, "end": { "local": "2053-09-17T08:28:05+03:00", "utc": "2053-09-17T05:28:05Z", "ms": 2641699685183.1494 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-16", "window": { "start": { "local": "2053-09-16T11:34:29+03:00", "utc": "2053-09-16T08:34:29Z", "ms": 2641624469273.825 }, "end": { "local": "2053-09-16T12:22:29+03:00", "utc": "2053-09-16T09:22:29Z", "ms": 2641627349273.825 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-17", "window": { "start": { "local": "2053-09-17T11:34:08+03:00", "utc": "2053-09-17T08:34:08Z", "ms": 2641710847883.8467 }, "end": { "local": "2053-09-17T12:22:08+03:00", "utc": "2053-09-17T09:22:08Z", "ms": 2641713727883.8467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:58 on Tue 16 Sep to 08:28 on Wed 17 Sep.", "fact": "2053-09-16T04:57:45Z → 2053-09-17T05:28:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:34–12:22 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 11163 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Erbil, 2053: Tuesday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-16", "confidence": "determinate" } ], "quote": "In Erbil, Ṛṣi Pañcamī 2053 falls on Tuesday 16 September. Pañcamī runs from 07:58 on Tue 16 Sep to 08:28 on Wed 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6861, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-09-17T08:28:05+03:00", "utc": "2053-09-17T05:28:05Z", "ms": 2641699685183.1494 }, "end": { "local": "2053-09-18T09:39:26+03:00", "utc": "2053-09-18T06:39:26Z", "ms": 2641790365619.058 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-17T08:28:05+03:00", "utc": "2053-09-17T05:28:05Z", "ms": 2641699685183.1494 }, "end": { "local": "2053-09-18T09:39:26+03:00", "utc": "2053-09-18T06:39:26Z", "ms": 2641790365619.058 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-17", "window": { "start": { "local": "2053-09-17T11:34:08+03:00", "utc": "2053-09-17T08:34:08Z", "ms": 2641710847883.8467 }, "end": { "local": "2053-09-17T12:22:08+03:00", "utc": "2053-09-17T09:22:08Z", "ms": 2641713727883.8467 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-18", "window": { "start": { "local": "2053-09-18T11:33:46+03:00", "utc": "2053-09-18T08:33:46Z", "ms": 2641797226495.3687 }, "end": { "local": "2053-09-18T12:21:46+03:00", "utc": "2053-09-18T09:21:46Z", "ms": 2641800106495.3687 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:28 on Wed 17 Sep to 09:39 on Thu 18 Sep.", "fact": "2053-09-17T05:28:05Z → 2053-09-18T06:39:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 17th, 11:34–12:22 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6861 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Erbil, 2053: Wednesday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-17", "confidence": "determinate" } ], "quote": "In Erbil, Sūrya Ṣaṣṭhī (Bhādrapada) 2053 falls on Wednesday 17 September. Ṣaṣṭhī runs from 08:28 on Wed 17 Sep to 09:39 on Thu 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 445, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-09-18T09:39:26+03:00", "utc": "2053-09-18T06:39:26Z", "ms": 2641790365619.058 }, "end": { "local": "2053-09-19T11:26:00+03:00", "utc": "2053-09-19T08:26:00Z", "ms": 2641883160466.471 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-18T09:39:26+03:00", "utc": "2053-09-18T06:39:26Z", "ms": 2641790365619.058 }, "end": { "local": "2053-09-19T11:26:00+03:00", "utc": "2053-09-19T08:26:00Z", "ms": 2641883160466.471 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-18", "window": { "start": { "local": "2053-09-18T11:33:46+03:00", "utc": "2053-09-18T08:33:46Z", "ms": 2641797226495.3687 }, "end": { "local": "2053-09-18T12:21:46+03:00", "utc": "2053-09-18T09:21:46Z", "ms": 2641800106495.3687 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-19", "window": { "start": { "local": "2053-09-19T11:33:25+03:00", "utc": "2053-09-19T08:33:25Z", "ms": 2641883605127.5576 }, "end": { "local": "2053-09-19T12:21:25+03:00", "utc": "2053-09-19T09:21:25Z", "ms": 2641886485127.5576 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:39 on Thu 18 Sep to 11:26 on Fri 19 Sep.", "fact": "2053-09-18T06:39:26Z → 2053-09-19T08:26:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 18th, 11:33–12:21 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 445 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Erbil, 2053: Thursday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-18", "confidence": "determinate" } ], "quote": "In Erbil, Muktābharaṇa Vrata 2053 falls on Thursday 18 September. Saptamī runs from 09:39 on Thu 18 Sep to 11:26 on Fri 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 445, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-09-19T11:26:00+03:00", "utc": "2053-09-19T08:26:00Z", "ms": 2641883160466.471 }, "end": { "local": "2053-09-20T13:38:18+03:00", "utc": "2053-09-20T10:38:18Z", "ms": 2641977497728.6826 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-19T11:26:00+03:00", "utc": "2053-09-19T08:26:00Z", "ms": 2641883160466.471 }, "end": { "local": "2053-09-20T13:38:18+03:00", "utc": "2053-09-20T10:38:18Z", "ms": 2641977497728.6826 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-19", "window": { "start": { "local": "2053-09-19T11:33:25+03:00", "utc": "2053-09-19T08:33:25Z", "ms": 2641883605127.5576 }, "end": { "local": "2053-09-19T12:21:25+03:00", "utc": "2053-09-19T09:21:25Z", "ms": 2641886485127.5576 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-09-20", "window": { "start": { "local": "2053-09-20T11:33:04+03:00", "utc": "2053-09-20T08:33:04Z", "ms": 2641969983800.249 }, "end": { "local": "2053-09-20T12:21:04+03:00", "utc": "2053-09-20T09:21:04Z", "ms": 2641972863800.249 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:26 on Fri 19 Sep to 13:38 on Sat 20 Sep.", "fact": "2053-09-19T08:26:00Z → 2053-09-20T10:38:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 19th, 11:33–12:21 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 445 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Erbil, 2053: Friday 19 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2053-09-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-20", "confidence": "boundary" } ], "quote": "In Erbil, Rādhāṣṭamī 2053 falls on Friday 19 September. Aṣṭamī runs from 11:26 on Fri 19 Sep to 13:38 on Sat 20 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-09-23", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33094, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-09-22T18:29:33+03:00", "utc": "2053-09-22T15:29:33Z", "ms": 2642167773143.5347 }, "end": { "local": "2053-09-23T20:42:23+03:00", "utc": "2053-09-23T17:42:23Z", "ms": 2642262142752.5977 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-22T18:29:33+03:00", "utc": "2053-09-22T15:29:33Z", "ms": 2642167773143.5347 }, "end": { "local": "2053-09-23T20:42:23+03:00", "utc": "2053-09-23T17:42:23Z", "ms": 2642262142752.5977 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-09-23", "window": { "start": { "local": "2053-09-23T05:53:10+03:00", "utc": "2053-09-23T02:53:10Z", "ms": 2642208789761.4707 }, "end": { "local": "2053-09-23T05:53:10+03:00", "utc": "2053-09-23T02:53:10Z", "ms": 2642208789761.4707 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-09-24", "window": { "start": { "local": "2053-09-24T05:53:57+03:00", "utc": "2053-09-24T02:53:57Z", "ms": 2642295237058.4907 }, "end": { "local": "2053-09-24T05:53:57+03:00", "utc": "2053-09-24T02:53:57Z", "ms": 2642295237058.4907 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:30 on Mon 22 Sep to 20:42 on Tue 23 Sep.", "fact": "2053-09-22T15:29:33Z → 2053-09-23T17:42:23Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 23rd and 05:54 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33094 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Erbil, 2053: Tuesday 23 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": "2053-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-23", "confidence": "determinate" } ], "quote": "In Erbil, Parivartanī Ekādaśī 2053 falls on Tuesday 23 September. Ekādaśī runs from 18:30 on Mon 22 Sep to 20:42 on Tue 23 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-09-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30142, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-09-23T20:42:23+03:00", "utc": "2053-09-23T17:42:23Z", "ms": 2642262142752.5977 }, "end": { "local": "2053-09-24T22:32:09+03:00", "utc": "2053-09-24T19:32:09Z", "ms": 2642355129282.363 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-23T20:42:23+03:00", "utc": "2053-09-23T17:42:23Z", "ms": 2642262142752.5977 }, "end": { "local": "2053-09-24T22:32:09+03:00", "utc": "2053-09-24T19:32:09Z", "ms": 2642355129282.363 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-09-23", "window": { "start": { "local": "2053-09-23T11:32:00+03:00", "utc": "2053-09-23T08:32:00Z", "ms": 2642229120268.2017 }, "end": { "local": "2053-09-23T12:20:00+03:00", "utc": "2053-09-23T09:20:00Z", "ms": 2642232000268.2017 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-09-24", "window": { "start": { "local": "2053-09-24T11:31:39+03:00", "utc": "2053-09-24T08:31:39Z", "ms": 2642315499312.354 }, "end": { "local": "2053-09-24T12:19:39+03:00", "utc": "2053-09-24T09:19:39Z", "ms": 2642318379312.354 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:42 on Tue 23 Sep to 22:32 on Wed 24 Sep.", "fact": "2053-09-23T17:42:23Z → 2053-09-24T19:32:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 23rd, 11:32–12:20 on the 24th.", "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 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: unstated → only-day · margin 30142 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Erbil, 2053: Wednesday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-24", "confidence": "determinate" } ], "quote": "In Erbil, Vāmana Jayantī 2053 falls on Wednesday 24 September. Dvādaśī runs from 20:42 on Tue 23 Sep to 22:32 on Wed 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-09-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10749, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-09-24T22:32:09+03:00", "utc": "2053-09-24T19:32:09Z", "ms": 2642355129282.363 }, "end": { "local": "2053-09-25T23:51:55+03:00", "utc": "2053-09-25T20:51:55Z", "ms": 2642446314534.155 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-24T22:32:09+03:00", "utc": "2053-09-24T19:32:09Z", "ms": 2642355129282.363 }, "end": { "local": "2053-09-25T23:51:55+03:00", "utc": "2053-09-25T20:51:55Z", "ms": 2642446314534.155 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-09-24", "window": { "start": { "local": "2053-09-24T17:57:22+03:00", "utc": "2053-09-24T14:57:22Z", "ms": 2642338641566.2173 }, "end": { "local": "2053-09-24T19:33:01+03:00", "utc": "2053-09-24T16:33:01Z", "ms": 2642344380624.089 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2053-09-25", "window": { "start": { "local": "2053-09-25T17:55:53+03:00", "utc": "2053-09-25T14:55:53Z", "ms": 2642424952508.358 }, "end": { "local": "2053-09-25T19:31:50+03:00", "utc": "2053-09-25T16:31:50Z", "ms": 2642430709787.4517 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:32 on Wed 24 Sep to 23:52 on Thu 25 Sep.", "fact": "2053-09-24T19:32:09Z → 2053-09-25T20:51:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:33 on the 24th, 17:56–19:32 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 24th and 96 of 96 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10749 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Thursday 25 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": "2053-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-25", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Thursday 25 September. Trayodaśī runs from 22:32 on Wed 24 Sep to 23:52 on Thu 25 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19090, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-09-25T23:51:55+03:00", "utc": "2053-09-25T20:51:55Z", "ms": 2642446314534.155 }, "end": { "local": "2053-09-27T00:38:09+03:00", "utc": "2053-09-26T21:38:09Z", "ms": 2642535489391.2007 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2053-09-25T23:51:55+03:00", "utc": "2053-09-25T20:51:55Z", "ms": 2642446314534.155 }, "end": { "local": "2053-09-27T00:38:09+03:00", "utc": "2053-09-26T21:38:09Z", "ms": 2642535489391.2007 } }, "kaala": "udaya-3", "days": [ { "local_date": "2053-09-26", "window": { "start": { "local": "2053-09-26T05:55:32+03:00", "utc": "2053-09-26T02:55:32Z", "ms": 2642468132101.561 }, "end": { "local": "2053-09-26T08:19:18+03:00", "utc": "2053-09-26T05:19:18Z", "ms": 2642476758407.763 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "2053-09-27", "window": { "start": { "local": "2053-09-27T05:56:20+03:00", "utc": "2053-09-27T02:56:20Z", "ms": 2642554579877.8755 }, "end": { "local": "2053-09-27T08:19:39+03:00", "utc": "2053-09-27T05:19:39Z", "ms": 2642563178896.3867 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:52 on Thu 25 Sep to 00:38 on Sat 27 Sep.", "fact": "2053-09-25T20:51:55Z → 2053-09-26T21:38:09Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:56–08:19 on the 26th, 05:56–08:20 on the 27th.", "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 144 of 144 minutes on the 26th and 0 of 143 on the 27th.", "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 19090 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Erbil, 2053: Friday 26 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": "2053-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-09-26", "confidence": "determinate" } ], "quote": "In Erbil, Ananta Caturdaśī 2053 falls on Friday 26 September. Caturdaśī runs from 23:52 on Thu 25 Sep to 00:38 on Sat 27 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-10-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2237, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-09-30T22:30:16+03:00", "utc": "2053-09-30T19:30:16Z", "ms": 2642873415582.049 }, "end": { "local": "2053-10-01T20:58:16+03:00", "utc": "2053-10-01T17:58:16Z", "ms": 2642954296016.4634 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-09-30T22:30:16+03:00", "utc": "2053-09-30T19:30:16Z", "ms": 2642873415582.049 }, "end": { "local": "2053-10-01T20:58:16+03:00", "utc": "2053-10-01T17:58:16Z", "ms": 2642954296016.4634 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-09-30", "window": { "start": { "local": "2053-09-30T19:38:12+03:00", "utc": "2053-09-30T16:38:12Z", "ms": 2642863091916.24 }, "end": { "local": "2053-09-30T19:38:12+03:00", "utc": "2053-09-30T16:38:12Z", "ms": 2642863091916.24 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-10-01", "window": { "start": { "local": "2053-10-01T20:20:59+03:00", "utc": "2053-10-01T17:20:59Z", "ms": 2642952058960.284 }, "end": { "local": "2053-10-01T20:20:59+03:00", "utc": "2053-10-01T17:20:59Z", "ms": 2642952058960.284 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:30 on Tue 30 Sep to 20:58 on Wed 1 Oct.", "fact": "2053-09-30T19:30:16Z → 2053-10-01T17:58:16Z" }, { "step": "kaala", "text": "Moonrise is at 19:38 on the 30th and 20:21 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.", "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 2237 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Wednesday 1 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": "2053-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-01", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Wednesday 1 October. Caturthī runs from 22:30 on Tue 30 Sep to 20:58 on Wed 1 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7038, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-10-02T19:11:04+03:00", "utc": "2053-10-02T16:11:04Z", "ms": 2643034264480.0103 }, "end": { "local": "2053-10-03T17:12:42+03:00", "utc": "2053-10-03T14:12:42Z", "ms": 2643113561934.161 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-02T19:11:04+03:00", "utc": "2053-10-02T16:11:04Z", "ms": 2643034264480.0103 }, "end": { "local": "2053-10-03T17:12:42+03:00", "utc": "2053-10-03T14:12:42Z", "ms": 2643113561934.161 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-10-02", "window": { "start": { "local": "2053-10-02T21:08:23+03:00", "utc": "2053-10-02T18:08:23Z", "ms": 2643041302929.217 }, "end": { "local": "2053-10-02T21:08:23+03:00", "utc": "2053-10-02T18:08:23Z", "ms": 2643041302929.217 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-10-03", "window": { "start": { "local": "2053-10-03T22:00:54+03:00", "utc": "2053-10-03T19:00:54Z", "ms": 2643130854105.678 }, "end": { "local": "2053-10-03T22:00:54+03:00", "utc": "2053-10-03T19:00:54Z", "ms": 2643130854105.678 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:11 on Thu 2 Oct to 17:13 on Fri 3 Oct.", "fact": "2053-10-02T16:11:04Z → 2053-10-03T14:12:42Z" }, { "step": "kaala", "text": "Moonrise is at 21:08 on the 2nd and 22:01 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7038 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Erbil, 2053: Thursday 2 October.", "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": "2053-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-02", "confidence": "determinate" } ], "quote": "In Erbil, Candra Ṣaṣṭhī 2053 falls on Thursday 2 October. Ṣaṣṭhī runs from 19:11 on Thu 2 Oct to 17:13 on Fri 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9363, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-10-04T15:06:40+03:00", "utc": "2053-10-04T12:06:40Z", "ms": 2643192399536.9473 }, "end": { "local": "2053-10-05T12:56:02+03:00", "utc": "2053-10-05T09:56:02Z", "ms": 2643270961638.7046 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-04T15:06:40+03:00", "utc": "2053-10-04T12:06:40Z", "ms": 2643192399536.9473 }, "end": { "local": "2053-10-05T12:56:02+03:00", "utc": "2053-10-05T09:56:02Z", "ms": 2643270961638.7046 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-10-04", "window": { "start": { "local": "2053-10-04T17:42:43+03:00", "utc": "2053-10-04T14:42:43Z", "ms": 2643201763013.5913 }, "end": { "local": "2053-10-04T19:21:24+03:00", "utc": "2053-10-04T16:21:24Z", "ms": 2643207683987.144 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2053-10-05", "window": { "start": { "local": "2053-10-05T17:41:17+03:00", "utc": "2053-10-05T14:41:17Z", "ms": 2643288077215.3022 }, "end": { "local": "2053-10-05T19:20:16+03:00", "utc": "2053-10-05T16:20:16Z", "ms": 2643294016302.08 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:07 on Sat 4 Oct to 12:56 on Sun 5 Oct.", "fact": "2053-10-04T12:06:40Z → 2053-10-05T09:56:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:21 on the 4th, 17:41–19:20 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 99 of 99 minutes on the 4th and 0 of 99 on the 5th.", "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 9363 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Erbil, 2053: Saturday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-04", "confidence": "determinate" } ], "quote": "In Erbil, Jitāṣṭamī (Jitiya) 2053 falls on Saturday 4 October. Aṣṭamī runs from 15:07 on Sat 4 Oct to 12:56 on Sun 5 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28305, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-10-04T15:06:40+03:00", "utc": "2053-10-04T12:06:40Z", "ms": 2643192399536.9473 }, "end": { "local": "2053-10-05T12:56:02+03:00", "utc": "2053-10-05T09:56:02Z", "ms": 2643270961638.7046 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-04T15:06:40+03:00", "utc": "2053-10-04T12:06:40Z", "ms": 2643192399536.9473 }, "end": { "local": "2053-10-05T12:56:02+03:00", "utc": "2053-10-05T09:56:02Z", "ms": 2643270961638.7046 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-10-04", "window": { "start": { "local": "2053-10-04T22:58:24+03:00", "utc": "2053-10-04T19:58:24Z", "ms": 2643220704368.896 }, "end": { "local": "2053-10-04T22:58:24+03:00", "utc": "2053-10-04T19:58:24Z", "ms": 2643220704368.896 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-10-05", "window": { "start": { "local": "2053-10-06T00:00:02+03:00", "utc": "2053-10-05T21:00:02Z", "ms": 2643310801724.3027 }, "end": { "local": "2053-10-06T00:00:02+03:00", "utc": "2053-10-05T21:00:02Z", "ms": 2643310801724.3027 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:07 on Sat 4 Oct to 12:56 on Sun 5 Oct.", "fact": "2053-10-04T12:06:40Z → 2053-10-05T09:56:02Z" }, { "step": "kaala", "text": "Moonrise is at 22:58 on the 4th and 00:00 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 4th and is not on the 5th.", "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 28305 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Erbil, 2053: Saturday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-04", "confidence": "determinate" } ], "quote": "In Erbil, Mahālakṣmī Vrata Samāpana 2053 falls on Saturday 4 October. Aṣṭamī runs from 15:07 on Sat 4 Oct to 12:56 on Sun 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-10-08", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1157, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-10-07T08:32:08+03:00", "utc": "2053-10-07T05:32:08Z", "ms": 2643427928088.939 }, "end": { "local": "2053-10-08T06:24:39+03:00", "utc": "2053-10-08T03:24:39Z", "ms": 2643506678707.8726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-07T08:32:08+03:00", "utc": "2053-10-07T05:32:08Z", "ms": 2643427928088.939 }, "end": { "local": "2053-10-08T06:24:39+03:00", "utc": "2053-10-08T03:24:39Z", "ms": 2643506678707.8726 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-10-07", "window": { "start": { "local": "2053-10-07T06:04:31+03:00", "utc": "2053-10-07T03:04:31Z", "ms": 2643419070730.6313 }, "end": { "local": "2053-10-07T06:04:31+03:00", "utc": "2053-10-07T03:04:31Z", "ms": 2643419070730.6313 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-10-08", "window": { "start": { "local": "2053-10-08T06:05:21+03:00", "utc": "2053-10-08T03:05:21Z", "ms": 2643505521415.259 }, "end": { "local": "2053-10-08T06:05:21+03:00", "utc": "2053-10-08T03:05:21Z", "ms": 2643505521415.259 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:32 on Tue 7 Oct to 06:25 on Wed 8 Oct.", "fact": "2053-10-07T05:32:08Z → 2053-10-08T03:24:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 7th and 06:05 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1157 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Erbil, 2053: Wednesday 8 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": "2053-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-08", "confidence": "determinate" } ], "quote": "In Erbil, Indirā Ekādaśī 2053 falls on Wednesday 8 October. Ekādaśī runs from 08:32 on Tue 7 Oct to 06:25 on Wed 8 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-10-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26422, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-10-09T04:24:37+03:00", "utc": "2053-10-09T01:24:37Z", "ms": 2643585877424.9854 }, "end": { "local": "2053-10-10T02:36:12+03:00", "utc": "2053-10-09T23:36:12Z", "ms": 2643665772441.3696 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-09T04:24:37+03:00", "utc": "2053-10-09T01:24:37Z", "ms": 2643585877424.9854 }, "end": { "local": "2053-10-10T02:36:12+03:00", "utc": "2053-10-09T23:36:12Z", "ms": 2643665772441.3696 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-10-08", "window": { "start": { "local": "2053-10-08T17:37:03+03:00", "utc": "2053-10-08T14:37:03Z", "ms": 2643547022935.974 }, "end": { "local": "2053-10-08T19:16:56+03:00", "utc": "2053-10-08T16:16:56Z", "ms": 2643553016201.185 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2053-10-09", "window": { "start": { "local": "2053-10-09T17:35:39+03:00", "utc": "2053-10-09T14:35:39Z", "ms": 2643633339310.753 }, "end": { "local": "2053-10-09T19:15:51+03:00", "utc": "2053-10-09T16:15:51Z", "ms": 2643639350571.1543 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:25 on Thu 9 Oct to 02:36 on Fri 10 Oct.", "fact": "2053-10-09T01:24:37Z → 2053-10-09T23:36:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:17 on the 8th, 17:36–19:16 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 8th and 100 of 100 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26422 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Thursday 9 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": "2053-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-09", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Thursday 9 October. Trayodaśī runs from 04:25 on Thu 9 Oct to 02:36 on Fri 10 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-10-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2946, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-10-10T02:36:12+03:00", "utc": "2053-10-09T23:36:12Z", "ms": 2643665772441.3696 }, "end": { "local": "2053-10-11T01:04:12+03:00", "utc": "2053-10-10T22:04:12Z", "ms": 2643746651647.978 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-10T02:36:12+03:00", "utc": "2053-10-09T23:36:12Z", "ms": 2643665772441.3696 }, "end": { "local": "2053-10-11T01:04:12+03:00", "utc": "2053-10-10T22:04:12Z", "ms": 2643746651647.978 } }, "kaala": "nishita", "days": [ { "local_date": "2053-10-09", "window": { "start": { "local": "2053-10-09T23:27:22+03:00", "utc": "2053-10-09T20:27:22Z", "ms": 2643654441537.259 }, "end": { "local": "2053-10-10T00:15:22+03:00", "utc": "2053-10-09T21:15:22Z", "ms": 2643657321537.259 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-10-10", "window": { "start": { "local": "2053-10-10T23:27:06+03:00", "utc": "2053-10-10T20:27:06Z", "ms": 2643740825866.577 }, "end": { "local": "2053-10-11T00:15:06+03:00", "utc": "2053-10-10T21:15:06Z", "ms": 2643743705866.577 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:36 on Fri 10 Oct to 01:04 on Sat 11 Oct.", "fact": "2053-10-09T23:36:12Z → 2053-10-10T22:04:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 9th, 23:27–00:15 on the 10th.", "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 9th and 48 of 48 on the 10th.", "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 2946 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Friday 10 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": "2053-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-10", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Friday 10 October. Caturdaśī runs from 02:36 on Fri 10 Oct to 01:04 on Sat 11 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31079, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2053-10-11T01:04:12+03:00", "utc": "2053-10-10T22:04:12Z", "ms": 2643746651647.978 }, "end": { "local": "2053-10-11T23:53:53+03:00", "utc": "2053-10-11T20:53:53Z", "ms": 2643828833358.687 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-11T01:04:12+03:00", "utc": "2053-10-10T22:04:12Z", "ms": 2643746651647.978 }, "end": { "local": "2053-10-11T23:53:53+03:00", "utc": "2053-10-11T20:53:53Z", "ms": 2643828833358.687 } }, "kaala": "aparahna", "days": [ { "local_date": "2053-10-10", "window": { "start": { "local": "2053-10-10T12:59:23+03:00", "utc": "2053-10-10T09:59:23Z", "ms": 2643703163284.974 }, "end": { "local": "2053-10-10T15:16:50+03:00", "utc": "2053-10-10T12:16:50Z", "ms": 2643711409792.0444 } }, "covered_min": 0, "window_min": 137, "qualifies": false }, { "local_date": "2053-10-11", "window": { "start": { "local": "2053-10-11T12:58:55+03:00", "utc": "2053-10-11T09:58:55Z", "ms": 2643789534530.577 }, "end": { "local": "2053-10-11T15:15:54+03:00", "utc": "2053-10-11T12:15:54Z", "ms": 2643797754229.423 } }, "covered_min": 137, "window_min": 137, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:04 on Sat 11 Oct to 23:54 on Sat 11 Oct.", "fact": "2053-10-10T22:04:12Z → 2053-10-11T20:53:53Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:59–15:17 on the 10th, 12:59–15:16 on the 11th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 137 minutes on the 10th and 137 of 137 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31079 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Erbil, 2053: Saturday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-11", "confidence": "determinate" } ], "quote": "In Erbil, Mahālaya Amāvāsyā 2053 falls on Saturday 11 October. Amāvasyā runs from 01:04 on Sat 11 Oct to 23:54 on Sat 11 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39395, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-10-11T23:53:53+03:00", "utc": "2053-10-11T20:53:53Z", "ms": 2643828833358.687 }, "end": { "local": "2053-10-12T23:10:45+03:00", "utc": "2053-10-12T20:10:45Z", "ms": 2643912644653.102 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-11T23:53:53+03:00", "utc": "2053-10-11T20:53:53Z", "ms": 2643828833358.687 }, "end": { "local": "2053-10-12T23:10:45+03:00", "utc": "2053-10-12T20:10:45Z", "ms": 2643912644653.102 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-10-11", "window": { "start": { "local": "2053-10-11T11:26:25+03:00", "utc": "2053-10-11T08:26:25Z", "ms": 2643783984681.1543 }, "end": { "local": "2053-10-11T12:14:25+03:00", "utc": "2053-10-11T09:14:25Z", "ms": 2643786864681.1543 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-10-12", "window": { "start": { "local": "2053-10-12T11:26:10+03:00", "utc": "2053-10-12T08:26:10Z", "ms": 2643870369831.5947 }, "end": { "local": "2053-10-12T12:14:10+03:00", "utc": "2053-10-12T09:14:10Z", "ms": 2643873249831.5947 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 23:54 on Sat 11 Oct to 23:11 on Sun 12 Oct.", "fact": "2053-10-11T20:53:53Z → 2053-10-12T20:10:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 11th, 11:26–12:14 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39395 s" }, { "step": "ruling", "text": "Navarātrārambha, Erbil, 2053: Sunday 12 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": "2053-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-12", "confidence": "determinate" } ], "quote": "In Erbil, Navarātrārambha (Navratri) 2053 falls on Sunday 12 October. Pratipadā runs from 23:54 on Sat 11 Oct to 23:11 on Sun 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-10-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39501, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-10-14T23:24:40+03:00", "utc": "2053-10-14T20:24:40Z", "ms": 2644086280490.5317 }, "end": { "local": "2053-10-16T00:26:55+03:00", "utc": "2053-10-15T21:26:55Z", "ms": 2644176415018.439 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-14T23:24:40+03:00", "utc": "2053-10-14T20:24:40Z", "ms": 2644086280490.5317 }, "end": { "local": "2053-10-16T00:26:55+03:00", "utc": "2053-10-15T21:26:55Z", "ms": 2644176415018.439 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-10-15", "window": { "start": { "local": "2053-10-15T11:25:28+03:00", "utc": "2053-10-15T08:25:28Z", "ms": 2644129528432.15 }, "end": { "local": "2053-10-15T12:13:28+03:00", "utc": "2053-10-15T09:13:28Z", "ms": 2644132408432.15 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-10-16", "window": { "start": { "local": "2053-10-16T11:25:16+03:00", "utc": "2053-10-16T08:25:16Z", "ms": 2644215915731.325 }, "end": { "local": "2053-10-16T12:13:16+03:00", "utc": "2053-10-16T09:13:16Z", "ms": 2644218795731.325 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:25 on Tue 14 Oct to 00:27 on Thu 16 Oct.", "fact": "2053-10-14T20:24:40Z → 2053-10-15T21:26:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39501 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Wednesday 15 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": "2053-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-15", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Wednesday 15 October. Caturthī runs from 23:25 on Tue 14 Oct to 00:27 on Thu 16 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-10-15", "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/2053/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1286, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-10-18T04:11:43+03:00", "utc": "2053-10-18T01:11:43Z", "ms": 2644362703040.429 }, "end": { "local": "2053-10-19T06:38:05+03:00", "utc": "2053-10-19T03:38:05Z", "ms": 2644457884588.8857 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-18T04:11:43+03:00", "utc": "2053-10-18T01:11:43Z", "ms": 2644362703040.429 }, "end": { "local": "2053-10-19T06:38:05+03:00", "utc": "2053-10-19T03:38:05Z", "ms": 2644457884588.8857 } }, "kaala": "udaya-1", "days": [ { "local_date": "2053-10-18", "window": { "start": { "local": "2053-10-18T06:14:07+03:00", "utc": "2053-10-18T03:14:07Z", "ms": 2644370046509.3003 }, "end": { "local": "2053-10-18T06:58:45+03:00", "utc": "2053-10-18T03:58:45Z", "ms": 2644372724584.02 } }, "covered_min": 45, "window_min": 45, "qualifies": true }, { "local_date": "2053-10-19", "window": { "start": { "local": "2053-10-19T06:15:01+03:00", "utc": "2053-10-19T03:15:01Z", "ms": 2644456500866.9126 }, "end": { "local": "2053-10-19T06:59:30+03:00", "utc": "2053-10-19T03:59:30Z", "ms": 2644459170236.6885 } }, "covered_min": 23, "window_min": 44, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:12 on Sat 18 Oct to 06:38 on Sun 19 Oct.", "fact": "2053-10-18T01:11:43Z → 2053-10-19T03:38:05Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:14–06:59 on the 18th, 06:15–07:00 on the 19th.", "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 45 of 45 minutes on the 18th and 23 of 44 on the 19th.", "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 1286 s" }, { "step": "ruling", "text": "Durgā Saptamī, Erbil, 2053: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-18", "confidence": "determinate" } ], "quote": "In Erbil, Durgā Saptamī 2053 falls on Saturday 18 October. Saptamī runs from 04:12 on Sat 18 Oct to 06:38 on Sun 19 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8062, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-10-19T06:38:05+03:00", "utc": "2053-10-19T03:38:05Z", "ms": 2644457884588.8857 }, "end": { "local": "2053-10-20T09:10:08+03:00", "utc": "2053-10-20T06:10:08Z", "ms": 2644553408346.6807 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-19T06:38:05+03:00", "utc": "2053-10-19T03:38:05Z", "ms": 2644457884588.8857 }, "end": { "local": "2053-10-20T09:10:08+03:00", "utc": "2053-10-20T06:10:08Z", "ms": 2644553408346.6807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-10-19", "window": { "start": { "local": "2053-10-19T11:24:41+03:00", "utc": "2053-10-19T08:24:41Z", "ms": 2644475081140.2314 }, "end": { "local": "2053-10-19T12:12:41+03:00", "utc": "2053-10-19T09:12:41Z", "ms": 2644477961140.2314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-10-20", "window": { "start": { "local": "2053-10-20T11:24:31+03:00", "utc": "2053-10-20T08:24:31Z", "ms": 2644561470832.793 }, "end": { "local": "2053-10-20T12:12:31+03:00", "utc": "2053-10-20T09:12:31Z", "ms": 2644564350832.793 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:38 on Sun 19 Oct to 09:10 on Mon 20 Oct.", "fact": "2053-10-19T03:38:05Z → 2053-10-20T06:10:08Z" }, { "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": "Aṣṭamī 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 8062 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Erbil, 2053: Sunday 19 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": "2053-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-19", "confidence": "determinate" } ], "quote": "In Erbil, Mahāṣṭamī (Durga Ashtami) 2053 falls on Sunday 19 October. Aṣṭamī runs from 06:38 on Sun 19 Oct to 09:10 on Mon 20 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 512, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2053-10-20T09:10:08+03:00", "utc": "2053-10-20T06:10:08Z", "ms": 2644553408346.6807 }, "end": { "local": "2053-10-21T11:32:53+03:00", "utc": "2053-10-21T08:32:53Z", "ms": 2644648373325.064 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-20T09:10:08+03:00", "utc": "2053-10-20T06:10:08Z", "ms": 2644553408346.6807 }, "end": { "local": "2053-10-21T11:32:53+03:00", "utc": "2053-10-21T08:32:53Z", "ms": 2644648373325.064 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-10-20", "window": { "start": { "local": "2053-10-20T11:24:31+03:00", "utc": "2053-10-20T08:24:31Z", "ms": 2644561470832.793 }, "end": { "local": "2053-10-20T12:12:31+03:00", "utc": "2053-10-20T09:12:31Z", "ms": 2644564350832.793 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-10-21", "window": { "start": { "local": "2053-10-21T11:24:21+03:00", "utc": "2053-10-21T08:24:21Z", "ms": 2644647861163.3594 }, "end": { "local": "2053-10-21T12:12:21+03:00", "utc": "2053-10-21T09:12:21Z", "ms": 2644650741163.3594 } }, "covered_min": 9, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:10 on Mon 20 Oct to 11:33 on Tue 21 Oct.", "fact": "2053-10-20T06:10:08Z → 2053-10-21T08:32:53Z" }, { "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": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 9 of 48 on the 21st.", "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 512 s" }, { "step": "ruling", "text": "Mahānavamī, Erbil, 2053: Monday 20 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": "2053-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-20", "confidence": "determinate" } ], "quote": "In Erbil, Mahānavamī 2053 falls on Monday 20 October. Navamī runs from 09:10 on Mon 20 Oct to 11:33 on Tue 21 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 9 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9824, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2053-10-21T11:32:53+03:00", "utc": "2053-10-21T08:32:53Z", "ms": 2644648373325.064 }, "end": { "local": "2053-10-22T13:32:11+03:00", "utc": "2053-10-22T10:32:11Z", "ms": 2644741931151.571 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2053-10-21T11:32:53+03:00", "utc": "2053-10-21T08:32:53Z", "ms": 2644648373325.064 }, "end": { "local": "2053-10-21T14:36:07+03:00", "utc": "2053-10-21T11:36:07Z", "ms": 2644659367273.1943 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2053-10-20T11:46:02+03:00", "utc": "2053-10-20T08:46:02Z", "ms": 2644562762418.542 }, "end": { "local": "2053-10-21T14:36:07+03:00", "utc": "2053-10-21T11:36:07Z", "ms": 2644659367273.1943 } } }, "kaala": "daytime", "days": [ { "local_date": "2053-10-21", "window": { "start": { "local": "2053-10-21T06:16:51+03:00", "utc": "2053-10-21T03:16:51Z", "ms": 2644629410593.0327 }, "end": { "local": "2053-10-21T17:19:52+03:00", "utc": "2053-10-21T14:19:52Z", "ms": 2644669191733.6855 } }, "covered_min": 183, "window_min": 663, "qualifies": true }, { "local_date": "2053-10-22", "window": { "start": { "local": "2053-10-22T06:17:46+03:00", "utc": "2053-10-22T03:17:46Z", "ms": 2644715865960.3867 }, "end": { "local": "2053-10-22T17:18:38+03:00", "utc": "2053-10-22T14:18:38Z", "ms": 2644755518335.6045 } }, "covered_min": 0, "window_min": 661, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 11:33 on Tue 21 Oct to 13:32 on Wed 22 Oct, and Śravaṇa from 11:46 on Mon 20 Oct to 14:36 on Tue 21 Oct. They are together from 11:33 on Tue 21 Oct to 14:36 on Tue 21 Oct.", "fact": "2053-10-21T08:32:53Z → 2053-10-21T11:36:07Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:17–17:20 on the 21st, 06:18–17:19 on the 22nd.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 183 of 663 minutes on the 21st and 0 of 661 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9824 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Erbil, 2053: Tuesday 21 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": "2053-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-21", "confidence": "determinate" } ], "quote": "In Erbil, Vijayā Daśamī (Dussehra) 2053 falls on Tuesday 21 October. Daśamī runs from 11:33 on Tue 21 Oct to 13:32 on Wed 22 Oct and is with Śravaṇa in the day time that day, for 183 minutes.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-10-23", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26065, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-10-22T13:32:11+03:00", "utc": "2053-10-22T10:32:11Z", "ms": 2644741931151.571 }, "end": { "local": "2053-10-23T14:56:54+03:00", "utc": "2053-10-23T11:56:54Z", "ms": 2644833414058.7783 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-22T13:32:11+03:00", "utc": "2053-10-22T10:32:11Z", "ms": 2644741931151.571 }, "end": { "local": "2053-10-23T14:56:54+03:00", "utc": "2053-10-23T11:56:54Z", "ms": 2644833414058.7783 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-10-22", "window": { "start": { "local": "2053-10-22T06:17:46+03:00", "utc": "2053-10-22T03:17:46Z", "ms": 2644715865960.3867 }, "end": { "local": "2053-10-22T06:17:46+03:00", "utc": "2053-10-22T03:17:46Z", "ms": 2644715865960.3867 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-10-23", "window": { "start": { "local": "2053-10-23T06:18:42+03:00", "utc": "2053-10-23T03:18:42Z", "ms": 2644802321662.7227 }, "end": { "local": "2053-10-23T06:18:42+03:00", "utc": "2053-10-23T03:18:42Z", "ms": 2644802321662.7227 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:32 on Wed 22 Oct to 14:57 on Thu 23 Oct.", "fact": "2053-10-22T10:32:11Z → 2053-10-23T11:56:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 22nd and 06:19 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "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 26065 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Erbil, 2053: Thursday 23 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": "2053-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-23", "confidence": "determinate" } ], "quote": "In Erbil, Pāśāṅkuśā Ekādaśī 2053 falls on Thursday 23 October. Ekādaśī runs from 13:32 on Wed 22 Oct to 14:57 on Thu 23 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-10-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5711, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-10-24T15:40:13+03:00", "utc": "2053-10-24T12:40:13Z", "ms": 2644922412842.8315 }, "end": { "local": "2053-10-25T15:39:53+03:00", "utc": "2053-10-25T12:39:53Z", "ms": 2645008793464.324 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2053-10-24T15:40:13+03:00", "utc": "2053-10-24T12:40:13Z", "ms": 2644922412842.8315 }, "end": { "local": "2053-10-25T15:39:53+03:00", "utc": "2053-10-25T12:39:53Z", "ms": 2645008793464.324 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-10-24", "window": { "start": { "local": "2053-10-24T17:16:15+03:00", "utc": "2053-10-24T14:16:15Z", "ms": 2644928174589.804 }, "end": { "local": "2053-10-24T19:00:49+03:00", "utc": "2053-10-24T16:00:49Z", "ms": 2644934449186.846 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2053-10-25", "window": { "start": { "local": "2053-10-25T17:15:04+03:00", "utc": "2053-10-25T14:15:04Z", "ms": 2645014504310.205 }, "end": { "local": "2053-10-25T18:59:56+03:00", "utc": "2053-10-25T15:59:56Z", "ms": 2645020795837.857 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:40 on Fri 24 Oct to 15:40 on Sat 25 Oct.", "fact": "2053-10-24T12:40:13Z → 2053-10-25T12:39:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:01 on the 24th, 17:15–19:00 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 24th and 0 of 105 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5711 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Friday 24 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": "2053-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-24", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Friday 24 October. Trayodaśī runs from 15:40 on Fri 24 Oct to 15:40 on Sat 25 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-10-24", "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/2053/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31675, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-10-30T07:13:44+03:00", "utc": "2053-10-30T04:13:44Z", "ms": 2645410424214.928 }, "end": { "local": "2053-10-31T04:42:57+03:00", "utc": "2053-10-31T01:42:57Z", "ms": 2645487777359.496 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-10-30T07:13:44+03:00", "utc": "2053-10-30T04:13:44Z", "ms": 2645410424214.928 }, "end": { "local": "2053-10-31T04:42:57+03:00", "utc": "2053-10-31T01:42:57Z", "ms": 2645487777359.496 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-10-29", "window": { "start": { "local": "2053-10-29T19:02:58+03:00", "utc": "2053-10-29T16:02:58Z", "ms": 2645366578294.4937 }, "end": { "local": "2053-10-29T19:02:58+03:00", "utc": "2053-10-29T16:02:58Z", "ms": 2645366578294.4937 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-10-30", "window": { "start": { "local": "2053-10-30T19:55:02+03:00", "utc": "2053-10-30T16:55:02Z", "ms": 2645456102024.011 }, "end": { "local": "2053-10-30T19:55:02+03:00", "utc": "2053-10-30T16:55:02Z", "ms": 2645456102024.011 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:14 on Thu 30 Oct to 04:43 on Fri 31 Oct.", "fact": "2053-10-30T04:13:44Z → 2053-10-31T01:42:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:03 on the 29th and 19:55 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31675 s" }, { "step": "ruling", "text": "Karaka Caturthī, Erbil, 2053: Thursday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-30", "confidence": "determinate" } ], "quote": "In Erbil, Karaka Caturthī (Karwa Chauth) 2053 falls on Thursday 30 October. Caturthī runs from 07:14 on Thu 30 Oct to 04:43 on Fri 31 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-10-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31675, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-10-30T07:13:44+03:00", "utc": "2053-10-30T04:13:44Z", "ms": 2645410424214.928 }, "end": { "local": "2053-10-31T04:42:57+03:00", "utc": "2053-10-31T01:42:57Z", "ms": 2645487777359.496 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-10-30T07:13:44+03:00", "utc": "2053-10-30T04:13:44Z", "ms": 2645410424214.928 }, "end": { "local": "2053-10-31T04:42:57+03:00", "utc": "2053-10-31T01:42:57Z", "ms": 2645487777359.496 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-10-29", "window": { "start": { "local": "2053-10-29T19:02:58+03:00", "utc": "2053-10-29T16:02:58Z", "ms": 2645366578294.4937 }, "end": { "local": "2053-10-29T19:02:58+03:00", "utc": "2053-10-29T16:02:58Z", "ms": 2645366578294.4937 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-10-30", "window": { "start": { "local": "2053-10-30T19:55:02+03:00", "utc": "2053-10-30T16:55:02Z", "ms": 2645456102024.011 }, "end": { "local": "2053-10-30T19:55:02+03:00", "utc": "2053-10-30T16:55:02Z", "ms": 2645456102024.011 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:14 on Thu 30 Oct to 04:43 on Fri 31 Oct.", "fact": "2053-10-30T04:13:44Z → 2053-10-31T01:42:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:03 on the 29th and 19:55 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31675 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Thursday 30 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": "2053-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-10-30", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Thursday 30 October. Caturthī runs from 07:14 on Thu 30 Oct to 04:43 on Fri 31 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-10-30", "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/2053/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4743, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-11-02T21:38:13+03:00", "utc": "2053-11-02T18:38:13Z", "ms": 2645721492859.639 }, "end": { "local": "2053-11-03T19:40:06+03:00", "utc": "2053-11-03T16:40:06Z", "ms": 2645800805652.742 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-02T21:38:13+03:00", "utc": "2053-11-02T18:38:13Z", "ms": 2645721492859.639 }, "end": { "local": "2053-11-03T19:40:06+03:00", "utc": "2053-11-03T16:40:06Z", "ms": 2645800805652.742 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-11-02", "window": { "start": { "local": "2053-11-02T22:57:15+03:00", "utc": "2053-11-02T19:57:15Z", "ms": 2645726235487.5034 }, "end": { "local": "2053-11-02T22:57:15+03:00", "utc": "2053-11-02T19:57:15Z", "ms": 2645726235487.5034 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-11-03", "window": { "start": { "local": "2053-11-04T00:02:04+03:00", "utc": "2053-11-03T21:02:04Z", "ms": 2645816524377.77 }, "end": { "local": "2053-11-04T00:02:04+03:00", "utc": "2053-11-03T21:02:04Z", "ms": 2645816524377.77 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:38 on Sun 2 Nov to 19:40 on Mon 3 Nov.", "fact": "2053-11-02T18:38:13Z → 2053-11-03T16:40:06Z" }, { "step": "kaala", "text": "Moonrise is at 22:57 on the 2nd and 00:02 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4743 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Erbil, 2053: Sunday 2 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": "2053-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-02", "confidence": "determinate" } ], "quote": "In Erbil, Ahoyī Aṣṭamī 2053 falls on Sunday 2 November. Aṣṭamī runs from 21:38 on Sun 2 Nov to 19:40 on Mon 3 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-11-06", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31737, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-11-05T16:30:58+03:00", "utc": "2053-11-05T13:30:58Z", "ms": 2645962257611.4165 }, "end": { "local": "2053-11-06T15:21:12+03:00", "utc": "2053-11-06T12:21:12Z", "ms": 2646044472293.987 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-05T16:30:58+03:00", "utc": "2053-11-05T13:30:58Z", "ms": 2645962257611.4165 }, "end": { "local": "2053-11-06T15:21:12+03:00", "utc": "2053-11-06T12:21:12Z", "ms": 2646044472293.987 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-11-05", "window": { "start": { "local": "2053-11-05T06:31:15+03:00", "utc": "2053-11-05T03:31:15Z", "ms": 2645926275144.4224 }, "end": { "local": "2053-11-05T06:31:15+03:00", "utc": "2053-11-05T03:31:15Z", "ms": 2645926275144.4224 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-11-06", "window": { "start": { "local": "2053-11-06T06:32:15+03:00", "utc": "2053-11-06T03:32:15Z", "ms": 2646012735106.546 }, "end": { "local": "2053-11-06T06:32:15+03:00", "utc": "2053-11-06T03:32:15Z", "ms": 2646012735106.546 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:31 on Wed 5 Nov to 15:21 on Thu 6 Nov.", "fact": "2053-11-05T13:30:58Z → 2053-11-06T12:21:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 5th and 06:32 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 31737 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Erbil, 2053: Thursday 6 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": "2053-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-06", "confidence": "determinate" } ], "quote": "In Erbil, Ramā Ekādaśī 2053 falls on Thursday 6 November. Ekādaśī runs from 16:31 on Wed 5 Nov to 15:21 on Thu 6 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6085, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-11-06T15:21:12+03:00", "utc": "2053-11-06T12:21:12Z", "ms": 2646044472293.987 }, "end": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-06T15:21:12+03:00", "utc": "2053-11-06T12:21:12Z", "ms": 2646044472293.987 }, "end": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-06", "window": { "start": { "local": "2053-11-06T17:02:37+03:00", "utc": "2053-11-06T14:02:37Z", "ms": 2646050557430.2075 }, "end": { "local": "2053-11-06T18:50:42+03:00", "utc": "2053-11-06T15:50:42Z", "ms": 2646057042476.3145 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2053-11-07", "window": { "start": { "local": "2053-11-07T17:01:44+03:00", "utc": "2053-11-07T14:01:44Z", "ms": 2646136904248.442 }, "end": { "local": "2053-11-07T18:50:04+03:00", "utc": "2053-11-07T15:50:04Z", "ms": 2646143404432.3423 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:21 on Thu 6 Nov to 14:29 on Fri 7 Nov.", "fact": "2053-11-06T12:21:12Z → 2053-11-07T11:28:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:03–18:51 on the 6th, 17:02–18:50 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 6th and 0 of 108 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6085 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Erbil, 2053: Thursday 6 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": "2053-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-06", "confidence": "determinate" } ], "quote": "In Erbil, Govatsa Dvādaśī (Vasu Baras) 2053 falls on Thursday 6 November. Dvādaśī runs from 15:21 on Thu 6 Nov to 14:29 on Fri 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9168, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 }, "end": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 }, "end": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-07", "window": { "start": { "local": "2053-11-07T17:01:44+03:00", "utc": "2053-11-07T14:01:44Z", "ms": 2646136904248.442 }, "end": { "local": "2053-11-07T18:50:04+03:00", "utc": "2053-11-07T15:50:04Z", "ms": 2646143404432.3423 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2053-11-08", "window": { "start": { "local": "2053-11-08T17:00:53+03:00", "utc": "2053-11-08T14:00:53Z", "ms": 2646223252601.331 }, "end": { "local": "2053-11-08T18:49:28+03:00", "utc": "2053-11-08T15:49:28Z", "ms": 2646229767739.085 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:29 on Fri 7 Nov to 13:56 on Sat 8 Nov.", "fact": "2053-11-07T11:28:56Z → 2053-11-08T10:55:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:02–18:50 on the 7th, 17:01–18:49 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 108 of 108 minutes on the 7th and 0 of 109 on the 8th.", "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 9168 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Erbil, 2053: Friday 7 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": "2053-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-07", "confidence": "determinate" } ], "quote": "In Erbil, Yama Dīpadāna 2053 falls on Friday 7 November. Trayodaśī runs from 14:29 on Fri 7 Nov to 13:56 on Sat 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-11-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9168, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 }, "end": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-07T14:28:56+03:00", "utc": "2053-11-07T11:28:56Z", "ms": 2646127735781.7183 }, "end": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-07", "window": { "start": { "local": "2053-11-07T17:01:44+03:00", "utc": "2053-11-07T14:01:44Z", "ms": 2646136904248.442 }, "end": { "local": "2053-11-07T18:50:04+03:00", "utc": "2053-11-07T15:50:04Z", "ms": 2646143404432.3423 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "2053-11-08", "window": { "start": { "local": "2053-11-08T17:00:53+03:00", "utc": "2053-11-08T14:00:53Z", "ms": 2646223252601.331 }, "end": { "local": "2053-11-08T18:49:28+03:00", "utc": "2053-11-08T15:49:28Z", "ms": 2646229767739.085 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:29 on Fri 7 Nov to 13:56 on Sat 8 Nov.", "fact": "2053-11-07T11:28:56Z → 2053-11-08T10:55:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:02–18:50 on the 7th, 17:01–18:49 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 108 of 108 minutes on the 7th and 0 of 109 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 9168 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Friday 7 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": "2053-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-07", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Friday 7 November. Trayodaśī runs from 14:29 on Fri 7 Nov to 13:56 on Sat 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-11-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-11-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34108, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "end": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "end": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 } }, "kaala": "nishita", "days": [ { "local_date": "2053-11-08", "window": { "start": { "local": "2053-11-08T23:24:04+03:00", "utc": "2053-11-08T20:24:04Z", "ms": 2646246244367.908 }, "end": { "local": "2053-11-09T00:12:04+03:00", "utc": "2053-11-08T21:12:04Z", "ms": 2646249124367.908 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-11-09", "window": { "start": { "local": "2053-11-09T23:24:10+03:00", "utc": "2053-11-09T20:24:10Z", "ms": 2646332649641.423 }, "end": { "local": "2053-11-10T00:12:10+03:00", "utc": "2053-11-09T21:12:10Z", "ms": 2646335529641.423 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:56 on Sat 8 Nov to 13:44 on Sun 9 Nov.", "fact": "2053-11-08T10:55:36Z → 2053-11-09T10:43:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 8th, 23:24–00:12 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34108 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Saturday 8 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": "2053-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-08", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Saturday 8 November. Caturdaśī runs from 13:56 on Sat 8 Nov to 13:44 on Sun 9 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25697, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "end": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-08T13:55:36+03:00", "utc": "2053-11-08T10:55:36Z", "ms": 2646212136252.2305 }, "end": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 } }, "kaala": "arunodaya", "days": [ { "local_date": "2053-11-08", "window": { "start": { "local": "2053-11-08T04:45:55+03:00", "utc": "2053-11-08T01:45:55Z", "ms": 2646179155443.796 }, "end": { "local": "2053-11-08T06:34:16+03:00", "utc": "2053-11-08T03:34:16Z", "ms": 2646185655627.6963 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2053-11-09", "window": { "start": { "local": "2053-11-09T04:46:41+03:00", "utc": "2053-11-09T01:46:41Z", "ms": 2646265600996.732 }, "end": { "local": "2053-11-09T06:35:16+03:00", "utc": "2053-11-09T03:35:16Z", "ms": 2646272116134.486 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:56 on Sat 8 Nov to 13:44 on Sun 9 Nov.", "fact": "2053-11-08T10:55:36Z → 2053-11-09T10:43:33Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:46–06:34 on the 8th, 04:47–06:35 on the 9th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 108 minutes on the 8th and 109 of 109 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25697 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Erbil, 2053: Sunday 9 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": "2053-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-09", "confidence": "determinate" } ], "quote": "In Erbil, Naraka Caturdaśī (Choti Diwali) 2053 falls on Sunday 9 November. Caturdaśī runs from 13:56 on Sat 8 Nov to 13:44 on Sun 9 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11010, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "end": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "end": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-09", "window": { "start": { "local": "2053-11-09T17:00:03+03:00", "utc": "2053-11-09T14:00:03Z", "ms": 2646309602515.3857 }, "end": { "local": "2053-11-09T18:48:52+03:00", "utc": "2053-11-09T15:48:52Z", "ms": 2646316132415.662 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2053-11-10", "window": { "start": { "local": "2053-11-10T16:59:14+03:00", "utc": "2053-11-10T13:59:14Z", "ms": 2646395954016.564 }, "end": { "local": "2053-11-10T18:48:18+03:00", "utc": "2053-11-10T15:48:18Z", "ms": 2646402498480.5015 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:44 on Sun 9 Nov to 13:56 on Mon 10 Nov.", "fact": "2053-11-09T10:43:33Z → 2053-11-10T10:55:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:00–18:49 on the 9th, 16:59–18:48 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 109 of 109 minutes on the 9th and 0 of 109 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11010 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Erbil, 2053: Sunday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-09", "confidence": "determinate" } ], "quote": "In Erbil, Lakṣmī Pūjā (Diwali) 2053 falls on Sunday 9 November. Amāvasyā runs from 13:44 on Sun 9 Nov to 13:56 on Mon 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34112, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "end": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-09T13:43:33+03:00", "utc": "2053-11-09T10:43:33Z", "ms": 2646297812691.9585 }, "end": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 } }, "kaala": "nishita", "days": [ { "local_date": "2053-11-09", "window": { "start": { "local": "2053-11-09T23:24:10+03:00", "utc": "2053-11-09T20:24:10Z", "ms": 2646332649641.423 }, "end": { "local": "2053-11-10T00:12:10+03:00", "utc": "2053-11-09T21:12:10Z", "ms": 2646335529641.423 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-11-10", "window": { "start": { "local": "2053-11-10T23:24:16+03:00", "utc": "2053-11-10T20:24:16Z", "ms": 2646419055756.33 }, "end": { "local": "2053-11-11T00:12:16+03:00", "utc": "2053-11-10T21:12:16Z", "ms": 2646421935756.33 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:44 on Sun 9 Nov to 13:56 on Mon 10 Nov.", "fact": "2053-11-09T10:43:33Z → 2053-11-10T10:55:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 9th, 23:24–00:12 on the 10th.", "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 9th and 0 of 48 on the 10th.", "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 34112 s" }, { "step": "ruling", "text": "Kālī Pūjā, Erbil, 2053: Sunday 9 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": "2053-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-09", "confidence": "determinate" } ], "quote": "In Erbil, Kālī Pūjā 2053 falls on Sunday 9 November. Amāvasyā runs from 13:44 on Sun 9 Nov to 13:56 on Mon 10 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8590, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-10", "window": { "start": { "local": "2053-11-10T16:59:14+03:00", "utc": "2053-11-10T13:59:14Z", "ms": 2646395954016.564 }, "end": { "local": "2053-11-10T18:48:18+03:00", "utc": "2053-11-10T15:48:18Z", "ms": 2646402498480.5015 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2053-11-11", "window": { "start": { "local": "2053-11-11T16:58:27+03:00", "utc": "2053-11-11T13:58:27Z", "ms": 2646482307130.461 }, "end": { "local": "2053-11-11T18:47:46+03:00", "utc": "2053-11-11T15:47:46Z", "ms": 2646488865951.531 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov.", "fact": "2053-11-10T10:55:44Z → 2053-11-11T11:35:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:59–18:48 on the 10th, 16:58–18:48 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 109 of 109 minutes on the 10th and 0 of 109 on the 11th.", "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 8590 s" }, { "step": "ruling", "text": "Bali Pūjā, Erbil, 2053: Monday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-10", "confidence": "determinate" } ], "quote": "In Erbil, Bali Pūjā 2053 falls on Monday 10 November. Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6239, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-10", "window": { "start": { "local": "2053-11-10T11:23:45+03:00", "utc": "2053-11-10T08:23:45Z", "ms": 2646375825392.0117 }, "end": { "local": "2053-11-10T12:11:45+03:00", "utc": "2053-11-10T09:11:45Z", "ms": 2646378705392.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-11", "window": { "start": { "local": "2053-11-11T11:23:52+03:00", "utc": "2053-11-11T08:23:52Z", "ms": 2646462232313.279 }, "end": { "local": "2053-11-11T12:11:52+03:00", "utc": "2053-11-11T09:11:52Z", "ms": 2646465112313.279 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov.", "fact": "2053-11-10T10:55:44Z → 2053-11-11T11:35:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 10th, 11:24–12:12 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6239 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Erbil, 2053: Tuesday 11 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": "2053-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-11", "confidence": "determinate" } ], "quote": "In Erbil, Govardhana Pūjā 2053 falls on Tuesday 11 November. Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13908, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-10T13:55:44+03:00", "utc": "2053-11-10T10:55:44Z", "ms": 2646384944014.4395 }, "end": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 } }, "kaala": "purvahna", "days": [ { "local_date": "2053-11-10", "window": { "start": { "local": "2053-11-10T06:36:17+03:00", "utc": "2053-11-10T03:36:17Z", "ms": 2646358576767.4595 }, "end": { "local": "2053-11-10T10:03:56+03:00", "utc": "2053-11-10T07:03:56Z", "ms": 2646371035850.494 } }, "covered_min": 0, "window_min": 208, "qualifies": false }, { "local_date": "2053-11-11", "window": { "start": { "local": "2053-11-11T06:37:17+03:00", "utc": "2053-11-11T03:37:17Z", "ms": 2646445037496.0967 }, "end": { "local": "2053-11-11T10:04:21+03:00", "utc": "2053-11-11T07:04:21Z", "ms": 2646457460707.5513 } }, "covered_min": 207, "window_min": 207, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov.", "fact": "2053-11-10T10:55:44Z → 2053-11-11T11:35:17Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:36–10:04 on the 10th, 06:37–10:04 on the 11th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 208 minutes on the 10th and 207 of 207 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13908 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Erbil, 2053: Tuesday 11 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": "2053-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-11", "confidence": "determinate" } ], "quote": "In Erbil, Dyūta Pratipad 2053 falls on Tuesday 11 November. Pratipadā runs from 13:56 on Mon 10 Nov to 14:35 on Tue 11 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8605, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 }, "end": { "local": "2053-11-12T15:44:34+03:00", "utc": "2053-11-12T12:44:34Z", "ms": 2646564273852.9595 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-11T14:35:17+03:00", "utc": "2053-11-11T11:35:17Z", "ms": 2646473716906.9756 }, "end": { "local": "2053-11-12T15:44:34+03:00", "utc": "2053-11-12T12:44:34Z", "ms": 2646564273852.9595 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-11", "window": { "start": { "local": "2053-11-11T11:23:52+03:00", "utc": "2053-11-11T08:23:52Z", "ms": 2646462232313.279 }, "end": { "local": "2053-11-11T12:11:52+03:00", "utc": "2053-11-11T09:11:52Z", "ms": 2646465112313.279 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-12", "window": { "start": { "local": "2053-11-12T11:24:00+03:00", "utc": "2053-11-12T08:24:00Z", "ms": 2646548640085.468 }, "end": { "local": "2053-11-12T12:12:00+03:00", "utc": "2053-11-12T09:12:00Z", "ms": 2646551520085.468 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:35 on Tue 11 Nov to 15:45 on Wed 12 Nov.", "fact": "2053-11-11T11:35:17Z → 2053-11-12T12:44:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 11th, 11:24–12:12 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8605 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Erbil, 2053: Wednesday 12 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": "2053-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-12", "confidence": "determinate" } ], "quote": "In Erbil, Yama Dvitīyā (Bhai Dooj) 2053 falls on Wednesday 12 November. Dvitīyā runs from 14:35 on Tue 11 Nov to 15:45 on Wed 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18718, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-11-13T17:24:06+03:00", "utc": "2053-11-13T14:24:06Z", "ms": 2646656646277.397 }, "end": { "local": "2053-11-14T19:31:24+03:00", "utc": "2053-11-14T16:31:24Z", "ms": 2646750683651.185 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-13T17:24:06+03:00", "utc": "2053-11-13T14:24:06Z", "ms": 2646656646277.397 }, "end": { "local": "2053-11-14T19:31:24+03:00", "utc": "2053-11-14T16:31:24Z", "ms": 2646750683651.185 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-13", "window": { "start": { "local": "2053-11-13T11:24:09+03:00", "utc": "2053-11-13T08:24:09Z", "ms": 2646635048704.635 }, "end": { "local": "2053-11-13T12:12:09+03:00", "utc": "2053-11-13T09:12:09Z", "ms": 2646637928704.635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-14", "window": { "start": { "local": "2053-11-14T11:24:18+03:00", "utc": "2053-11-14T08:24:18Z", "ms": 2646721458166.2383 }, "end": { "local": "2053-11-14T12:12:18+03:00", "utc": "2053-11-14T09:12:18Z", "ms": 2646724338166.2383 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:24 on Thu 13 Nov to 19:31 on Fri 14 Nov.", "fact": "2053-11-13T14:24:06Z → 2053-11-14T16:31:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 13th, 11:24–12:12 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18718 s" }, { "step": "ruling", "text": "Nāga Caturthī, Erbil, 2053: Friday 14 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": "2053-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-14", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Caturthī 2053 falls on Friday 14 November. Caturthī runs from 17:24 on Thu 13 Nov to 19:31 on Fri 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/vinayaka-chaturthi?on=2053-11-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18718, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-11-13T17:24:06+03:00", "utc": "2053-11-13T14:24:06Z", "ms": 2646656646277.397 }, "end": { "local": "2053-11-14T19:31:24+03:00", "utc": "2053-11-14T16:31:24Z", "ms": 2646750683651.185 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-13T17:24:06+03:00", "utc": "2053-11-13T14:24:06Z", "ms": 2646656646277.397 }, "end": { "local": "2053-11-14T19:31:24+03:00", "utc": "2053-11-14T16:31:24Z", "ms": 2646750683651.185 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-13", "window": { "start": { "local": "2053-11-13T11:24:09+03:00", "utc": "2053-11-13T08:24:09Z", "ms": 2646635048704.635 }, "end": { "local": "2053-11-13T12:12:09+03:00", "utc": "2053-11-13T09:12:09Z", "ms": 2646637928704.635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-14", "window": { "start": { "local": "2053-11-14T11:24:18+03:00", "utc": "2053-11-14T08:24:18Z", "ms": 2646721458166.2383 }, "end": { "local": "2053-11-14T12:12:18+03:00", "utc": "2053-11-14T09:12:18Z", "ms": 2646724338166.2383 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:24 on Thu 13 Nov to 19:31 on Fri 14 Nov.", "fact": "2053-11-13T14:24:06Z → 2053-11-14T16:31:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 13th, 11:24–12:12 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18718 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Friday 14 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": "2053-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-14", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Friday 14 November. Caturthī runs from 17:24 on Thu 13 Nov to 19:31 on Fri 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-11-14", "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/2053/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35249, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-11-15T21:59:58+03:00", "utc": "2053-11-15T18:59:58Z", "ms": 2646845997760.8545 }, "end": { "local": "2053-11-17T00:39:08+03:00", "utc": "2053-11-16T21:39:08Z", "ms": 2646941948177.905 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-15T21:59:58+03:00", "utc": "2053-11-15T18:59:58Z", "ms": 2646845997760.8545 }, "end": { "local": "2053-11-17T00:39:08+03:00", "utc": "2053-11-16T21:39:08Z", "ms": 2646941948177.905 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-15", "window": { "start": { "local": "2053-11-15T11:24:28+03:00", "utc": "2053-11-15T08:24:28Z", "ms": 2646807868465.17 }, "end": { "local": "2053-11-15T12:12:28+03:00", "utc": "2053-11-15T09:12:28Z", "ms": 2646810748465.17 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-16", "window": { "start": { "local": "2053-11-16T11:24:40+03:00", "utc": "2053-11-16T08:24:40Z", "ms": 2646894279595.75 }, "end": { "local": "2053-11-16T12:12:40+03:00", "utc": "2053-11-16T09:12:40Z", "ms": 2646897159595.75 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:00 on Sat 15 Nov to 00:39 on Mon 17 Nov.", "fact": "2053-11-15T18:59:58Z → 2053-11-16T21:39:08Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35249 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Erbil, 2053: Sunday 16 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": "2053-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-16", "confidence": "determinate" } ], "quote": "In Erbil, Sūrya Ṣaṣṭhī (Chhath) 2053 falls on Sunday 16 November. Ṣaṣṭhī runs from 22:00 on Sat 15 Nov to 00:39 on Mon 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21219, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2053-11-18T03:14:52+03:00", "utc": "2053-11-18T00:14:52Z", "ms": 2647037691723.4614 }, "end": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-18T03:14:52+03:00", "utc": "2053-11-18T00:14:52Z", "ms": 2647037691723.4614 }, "end": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-18", "window": { "start": { "local": "2053-11-18T11:25:04+03:00", "utc": "2053-11-18T08:25:04Z", "ms": 2647067104326.176 }, "end": { "local": "2053-11-18T12:13:04+03:00", "utc": "2053-11-18T09:13:04Z", "ms": 2647069984326.176 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-11-19", "window": { "start": { "local": "2053-11-19T11:25:18+03:00", "utc": "2053-11-19T08:25:18Z", "ms": 2647153517911.6787 }, "end": { "local": "2053-11-19T12:13:18+03:00", "utc": "2053-11-19T09:13:18Z", "ms": 2647156397911.6787 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:15 on Tue 18 Nov to 05:32 on Wed 19 Nov.", "fact": "2053-11-18T00:14:52Z → 2053-11-19T02:31:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 18th, 11:25–12:13 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21219 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Erbil, 2053: Tuesday 18 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-18", "confidence": "determinate" } ], "quote": "In Erbil, Gopāṣṭamī 2053 falls on Tuesday 18 November. Aṣṭamī runs from 03:15 on Tue 18 Nov to 05:32 on Wed 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1723, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 }, "end": { "local": "2053-11-20T07:15:06+03:00", "utc": "2053-11-20T04:15:06Z", "ms": 2647224906046.6123 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 }, "end": { "local": "2053-11-20T07:15:06+03:00", "utc": "2053-11-20T04:15:06Z", "ms": 2647224906046.6123 } }, "kaala": "purvahna", "days": [ { "local_date": "2053-11-19", "window": { "start": { "local": "2053-11-19T06:45:23+03:00", "utc": "2053-11-19T03:45:23Z", "ms": 2647136722720.686 }, "end": { "local": "2053-11-19T10:08:00+03:00", "utc": "2053-11-19T07:08:00Z", "ms": 2647148879514.681 } }, "covered_min": 203, "window_min": 203, "qualifies": true }, { "local_date": "2053-11-20", "window": { "start": { "local": "2053-11-20T06:46:23+03:00", "utc": "2053-11-20T03:46:23Z", "ms": 2647223182754.8335 }, "end": { "local": "2053-11-20T10:08:29+03:00", "utc": "2053-11-20T07:08:29Z", "ms": 2647235309118.4043 } }, "covered_min": 29, "window_min": 202, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:32 on Wed 19 Nov to 07:15 on Thu 20 Nov.", "fact": "2053-11-19T02:31:39Z → 2053-11-20T04:15:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:45–10:08 on the 19th, 06:46–10:08 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 203 of 203 minutes on the 19th and 29 of 202 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1723 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Erbil, 2053: Wednesday 19 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2053-11-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-19", "confidence": "boundary" } ], "quote": "In Erbil, Akṣaya Navamī (Amla Navami) 2053 falls on Wednesday 19 November. Navamī runs from 05:32 on Wed 19 Nov to 07:15 on Thu 20 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 29 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15026, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 }, "end": { "local": "2053-11-20T07:15:06+03:00", "utc": "2053-11-20T04:15:06Z", "ms": 2647224906046.6123 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-19T05:31:39+03:00", "utc": "2053-11-19T02:31:39Z", "ms": 2647132298531.9165 }, "end": { "local": "2053-11-20T07:15:06+03:00", "utc": "2053-11-20T04:15:06Z", "ms": 2647224906046.6123 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-19", "window": { "start": { "local": "2053-11-19T11:25:18+03:00", "utc": "2053-11-19T08:25:18Z", "ms": 2647153517911.6787 }, "end": { "local": "2053-11-19T12:13:18+03:00", "utc": "2053-11-19T09:13:18Z", "ms": 2647156397911.6787 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-11-20", "window": { "start": { "local": "2053-11-20T11:25:32+03:00", "utc": "2053-11-20T08:25:32Z", "ms": 2647239932300.19 }, "end": { "local": "2053-11-20T12:13:32+03:00", "utc": "2053-11-20T09:13:32Z", "ms": 2647242812300.19 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:32 on Wed 19 Nov to 07:15 on Thu 20 Nov.", "fact": "2053-11-19T02:31:39Z → 2053-11-20T04:15:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 19th, 11:26–12:14 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15026 s" }, { "step": "ruling", "text": "Durgā Navamī, Erbil, 2053: Wednesday 19 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": "2053-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-19", "confidence": "determinate" } ], "quote": "In Erbil, Durgā Navamī 2053 falls on Wednesday 19 November. Navamī runs from 05:32 on Wed 19 Nov to 07:15 on Thu 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-11-22", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5218, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-11-21T08:14:21+03:00", "utc": "2053-11-21T05:14:21Z", "ms": 2647314860763.133 }, "end": { "local": "2053-11-22T08:23:24+03:00", "utc": "2053-11-22T05:23:24Z", "ms": 2647401803870.5127 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-21T08:14:21+03:00", "utc": "2053-11-21T05:14:21Z", "ms": 2647314860763.133 }, "end": { "local": "2053-11-22T08:23:24+03:00", "utc": "2053-11-22T05:23:24Z", "ms": 2647401803870.5127 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-11-21", "window": { "start": { "local": "2053-11-21T06:47:23+03:00", "utc": "2053-11-21T03:47:23Z", "ms": 2647309642524.1353 }, "end": { "local": "2053-11-21T06:47:23+03:00", "utc": "2053-11-21T03:47:23Z", "ms": 2647309642524.1353 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-11-22", "window": { "start": { "local": "2053-11-22T06:48:22+03:00", "utc": "2053-11-22T03:48:22Z", "ms": 2647396101989.1357 }, "end": { "local": "2053-11-22T06:48:22+03:00", "utc": "2053-11-22T03:48:22Z", "ms": 2647396101989.1357 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:14 on Fri 21 Nov to 08:23 on Sat 22 Nov.", "fact": "2053-11-21T05:14:21Z → 2053-11-22T05:23:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 21st and 06:48 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5218 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Erbil, 2053: Saturday 22 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": "2053-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-22", "confidence": "determinate" } ], "quote": "In Erbil, Prabodhinī Ekādaśī 2053 falls on Saturday 22 November. Ekādaśī runs from 08:14 on Fri 21 Nov to 08:23 on Sat 22 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-11-22", "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/2053/pradosha-vrata?on=2053-11-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32993, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-11-23T07:41:26+03:00", "utc": "2053-11-23T04:41:26Z", "ms": 2647485686291.7246 }, "end": { "local": "2053-11-24T06:12:08+03:00", "utc": "2053-11-24T03:12:08Z", "ms": 2647566728242.469 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-23T07:41:26+03:00", "utc": "2053-11-23T04:41:26Z", "ms": 2647485686291.7246 }, "end": { "local": "2053-11-24T06:12:08+03:00", "utc": "2053-11-24T03:12:08Z", "ms": 2647566728242.469 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-11-23", "window": { "start": { "local": "2053-11-23T16:51:19+03:00", "utc": "2053-11-23T13:51:19Z", "ms": 2647518679283.407 }, "end": { "local": "2053-11-23T18:43:11+03:00", "utc": "2053-11-23T15:43:11Z", "ms": 2647525391358.7627 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2053-11-24", "window": { "start": { "local": "2053-11-24T16:50:56+03:00", "utc": "2053-11-24T13:50:56Z", "ms": 2647605055569.5386 }, "end": { "local": "2053-11-24T18:42:59+03:00", "utc": "2053-11-24T15:42:59Z", "ms": 2647611778582.224 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:41 on Sun 23 Nov to 06:12 on Mon 24 Nov.", "fact": "2053-11-23T04:41:26Z → 2053-11-24T03:12:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:51–18:43 on the 23rd, 16:51–18:43 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 112 of 112 minutes on the 23rd and 0 of 112 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32993 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Sunday 23 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": "2053-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-23", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Sunday 23 November. Trayodaśī runs from 07:41 on Sun 23 Nov to 06:12 on Mon 24 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-11-23", "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/2053/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26665, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-11-25T04:02:31+03:00", "utc": "2053-11-25T01:02:31Z", "ms": 2647645351174.463 }, "end": { "local": "2053-11-26T01:21:46+03:00", "utc": "2053-11-25T22:21:46Z", "ms": 2647722106017.9243 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-25T04:02:31+03:00", "utc": "2053-11-25T01:02:31Z", "ms": 2647645351174.463 }, "end": { "local": "2053-11-26T01:21:46+03:00", "utc": "2053-11-25T22:21:46Z", "ms": 2647722106017.9243 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-11-25", "window": { "start": { "local": "2053-11-25T11:26:56+03:00", "utc": "2053-11-25T08:26:56Z", "ms": 2647672015978.749 }, "end": { "local": "2053-11-25T12:14:56+03:00", "utc": "2053-11-25T09:14:56Z", "ms": 2647674895978.749 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2053-11-26", "window": { "start": { "local": "2053-11-26T11:27:15+03:00", "utc": "2053-11-26T08:27:15Z", "ms": 2647758434996.047 }, "end": { "local": "2053-11-26T12:15:15+03:00", "utc": "2053-11-26T09:15:15Z", "ms": 2647761314996.047 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:03 on Tue 25 Nov to 01:22 on Wed 26 Nov.", "fact": "2053-11-25T01:02:31Z → 2053-11-25T22:21:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 25th, 11:27–12:15 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26665 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Erbil, 2053: Tuesday 25 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": "2053-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-25", "confidence": "determinate" } ], "quote": "In Erbil, Kārtikī Pūrṇimā 2053 falls on Tuesday 25 November. Pūrṇimā runs from 04:03 on Tue 25 Nov to 01:22 on Wed 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3981, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-11-25T04:02:31+03:00", "utc": "2053-11-25T01:02:31Z", "ms": 2647645351174.463 }, "end": { "local": "2053-11-26T01:21:46+03:00", "utc": "2053-11-25T22:21:46Z", "ms": 2647722106017.9243 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2053-11-25T04:02:31+03:00", "utc": "2053-11-25T01:02:31Z", "ms": 2647645351174.463 }, "end": { "local": "2053-11-26T01:21:46+03:00", "utc": "2053-11-25T22:21:46Z", "ms": 2647722106017.9243 } }, "kaala": "nishita", "days": [ { "local_date": "2053-11-24", "window": { "start": { "local": "2053-11-24T23:27:07+03:00", "utc": "2053-11-24T20:27:07Z", "ms": 2647628826867.1094 }, "end": { "local": "2053-11-25T00:15:07+03:00", "utc": "2053-11-24T21:15:07Z", "ms": 2647631706867.1094 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-11-25", "window": { "start": { "local": "2053-11-25T23:27:25+03:00", "utc": "2053-11-25T20:27:25Z", "ms": 2647715244906.257 }, "end": { "local": "2053-11-26T00:15:25+03:00", "utc": "2053-11-25T21:15:25Z", "ms": 2647718124906.257 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:03 on Tue 25 Nov to 01:22 on Wed 26 Nov.", "fact": "2053-11-25T01:02:31Z → 2053-11-25T22:21:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 24th, 23:27–00:15 on the 25th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3981 s" }, { "step": "ruling", "text": "Rāsayātrā, Erbil, 2053: Tuesday 25 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": "2053-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-25", "confidence": "determinate" } ], "quote": "In Erbil, Rāsayātrā 2053 falls on Tuesday 25 November. Pūrṇimā runs from 04:03 on Tue 25 Nov to 01:22 on Wed 26 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/sankashta-chaturthi?on=2053-11-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13511, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-11-28T15:56:28+03:00", "utc": "2053-11-28T12:56:28Z", "ms": 2647947387603.3716 }, "end": { "local": "2053-11-29T12:53:50+03:00", "utc": "2053-11-29T09:53:50Z", "ms": 2648022830179.674 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-11-28T15:56:28+03:00", "utc": "2053-11-28T12:56:28Z", "ms": 2647947387603.3716 }, "end": { "local": "2053-11-29T12:53:50+03:00", "utc": "2053-11-29T09:53:50Z", "ms": 2648022830179.674 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-11-28", "window": { "start": { "local": "2053-11-28T19:41:38+03:00", "utc": "2053-11-28T16:41:38Z", "ms": 2647960898161.9697 }, "end": { "local": "2053-11-28T19:41:38+03:00", "utc": "2053-11-28T16:41:38Z", "ms": 2647960898161.9697 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-11-29", "window": { "start": { "local": "2053-11-29T20:46:56+03:00", "utc": "2053-11-29T17:46:56Z", "ms": 2648051216052.1084 }, "end": { "local": "2053-11-29T20:46:56+03:00", "utc": "2053-11-29T17:46:56Z", "ms": 2648051216052.1084 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:56 on Fri 28 Nov to 12:54 on Sat 29 Nov.", "fact": "2053-11-28T12:56:28Z → 2053-11-29T09:53:50Z" }, { "step": "kaala", "text": "Moonrise is at 19:42 on the 28th and 20:47 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13511 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Friday 28 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": "2053-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-11-28", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Friday 28 November. Caturthī runs from 15:56 on Fri 28 Nov to 12:54 on Sat 29 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-11-28", "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/2053/ekadashi?on=2053-12-05", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14402, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-12-05T03:00:27+03:00", "utc": "2053-12-05T00:00:27Z", "ms": 2648505626595.0103 }, "end": { "local": "2053-12-06T02:57:46+03:00", "utc": "2053-12-05T23:57:46Z", "ms": 2648591866065.092 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-05T03:00:27+03:00", "utc": "2053-12-05T00:00:27Z", "ms": 2648505626595.0103 }, "end": { "local": "2053-12-06T02:57:46+03:00", "utc": "2053-12-05T23:57:46Z", "ms": 2648591866065.092 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-12-05", "window": { "start": { "local": "2053-12-05T07:00:29+03:00", "utc": "2053-12-05T04:00:29Z", "ms": 2648520029031.2524 }, "end": { "local": "2053-12-05T07:00:29+03:00", "utc": "2053-12-05T04:00:29Z", "ms": 2648520029031.2524 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-12-06", "window": { "start": { "local": "2053-12-06T07:01:20+03:00", "utc": "2053-12-06T04:01:20Z", "ms": 2648606479879.394 }, "end": { "local": "2053-12-06T07:01:20+03:00", "utc": "2053-12-06T04:01:20Z", "ms": 2648606479879.394 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:00 on Fri 5 Dec to 02:58 on Sat 6 Dec.", "fact": "2053-12-05T00:00:27Z → 2053-12-05T23:57:46Z" }, { "step": "kaala", "text": "Sunrise is at 07:00 on the 5th and 07:01 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14402 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Erbil, 2053: Friday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2053-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-05", "confidence": "determinate" } ], "quote": "In Erbil, Utpannā Ekādaśī 2053 falls on Friday 5 December. Ekādaśī runs from 03:00 on Fri 5 Dec to 02:58 on Sat 6 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/pradosha-vrata?on=2053-12-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31000, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-12-07T03:19:13+03:00", "utc": "2053-12-07T00:19:13Z", "ms": 2648679553285.8813 }, "end": { "local": "2053-12-08T04:03:40+03:00", "utc": "2053-12-08T01:03:40Z", "ms": 2648768620098.229 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-07T03:19:13+03:00", "utc": "2053-12-07T00:19:13Z", "ms": 2648679553285.8813 }, "end": { "local": "2053-12-08T04:03:40+03:00", "utc": "2053-12-08T01:03:40Z", "ms": 2648768620098.229 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-12-06", "window": { "start": { "local": "2053-12-06T16:48:46+03:00", "utc": "2053-12-06T13:48:46Z", "ms": 2648641726433.325 }, "end": { "local": "2053-12-06T18:42:34+03:00", "utc": "2053-12-06T15:42:34Z", "ms": 2648648553542.98 } }, "covered_min": 0, "window_min": 114, "qualifies": false }, { "local_date": "2053-12-07", "window": { "start": { "local": "2053-12-07T16:48:49+03:00", "utc": "2053-12-07T13:48:49Z", "ms": 2648728128877.034 }, "end": { "local": "2053-12-07T18:42:42+03:00", "utc": "2053-12-07T15:42:42Z", "ms": 2648734962174.4062 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:19 on Sun 7 Dec to 04:04 on Mon 8 Dec.", "fact": "2053-12-07T00:19:13Z → 2053-12-08T01:03:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:49–18:43 on the 6th, 16:49–18:43 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 114 minutes on the 6th and 114 of 114 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 31000 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Erbil, 2053: Sunday 7 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": "2053-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-07", "confidence": "determinate" } ], "quote": "In Erbil, Kṛṣṇa Pradoṣa Vrata 2053 falls on Sunday 7 December. Trayodaśī runs from 03:19 on Sun 7 Dec to 04:04 on Mon 8 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/shivaratri?on=2053-12-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13426, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2053-12-08T04:03:40+03:00", "utc": "2053-12-08T01:03:40Z", "ms": 2648768620098.229 }, "end": { "local": "2053-12-09T05:10:47+03:00", "utc": "2053-12-09T02:10:47Z", "ms": 2648859047308.301 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-08T04:03:40+03:00", "utc": "2053-12-08T01:03:40Z", "ms": 2648768620098.229 }, "end": { "local": "2053-12-09T05:10:47+03:00", "utc": "2053-12-09T02:10:47Z", "ms": 2648859047308.301 } }, "kaala": "nishita", "days": [ { "local_date": "2053-12-07", "window": { "start": { "local": "2053-12-07T23:31:54+03:00", "utc": "2053-12-07T20:31:54Z", "ms": 2648752313742.179 }, "end": { "local": "2053-12-08T00:19:54+03:00", "utc": "2053-12-07T21:19:54Z", "ms": 2648755193742.179 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-08", "window": { "start": { "local": "2053-12-08T23:32:20+03:00", "utc": "2053-12-08T20:32:20Z", "ms": 2648838739862.952 }, "end": { "local": "2053-12-09T00:20:20+03:00", "utc": "2053-12-08T21:20:20Z", "ms": 2648841619862.952 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:04 on Mon 8 Dec to 05:11 on Tue 9 Dec.", "fact": "2053-12-08T01:03:40Z → 2053-12-09T02:10:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 7th, 23:32–00:20 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13426 s" }, { "step": "ruling", "text": "Śivarātri, Erbil, 2053: Monday 8 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": "2053-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-08", "confidence": "determinate" } ], "quote": "In Erbil, Śivarātri 2053 falls on Monday 8 December. Caturdaśī runs from 04:04 on Mon 8 Dec to 05:11 on Tue 9 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/erbil/festivals/2053/shivaratri?on=2053-12-08", "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/2053/vinayaka-chaturthi?on=2053-12-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3477, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-12-13T13:20:13+03:00", "utc": "2053-12-13T10:20:13Z", "ms": 2649234013092.8105 }, "end": { "local": "2053-12-14T16:03:30+03:00", "utc": "2053-12-14T13:03:30Z", "ms": 2649330209676.78 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-13T13:20:13+03:00", "utc": "2053-12-13T10:20:13Z", "ms": 2649234013092.8105 }, "end": { "local": "2053-12-14T16:03:30+03:00", "utc": "2053-12-14T13:03:30Z", "ms": 2649330209676.78 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-13", "window": { "start": { "local": "2053-12-13T11:34:16+03:00", "utc": "2053-12-13T08:34:16Z", "ms": 2649227655619.0576 }, "end": { "local": "2053-12-13T12:22:16+03:00", "utc": "2053-12-13T09:22:16Z", "ms": 2649230535619.0576 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-14", "window": { "start": { "local": "2053-12-14T11:34:45+03:00", "utc": "2053-12-14T08:34:45Z", "ms": 2649314084577.375 }, "end": { "local": "2053-12-14T12:22:45+03:00", "utc": "2053-12-14T09:22:45Z", "ms": 2649316964577.375 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:20 on Sat 13 Dec to 16:03 on Sun 14 Dec.", "fact": "2053-12-13T10:20:13Z → 2053-12-14T13:03:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 13th, 11:35–12:23 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3477 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Erbil, 2053: Sunday 14 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": "2053-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-14", "confidence": "determinate" } ], "quote": "In Erbil, Vināyaka Caturthī 2053 falls on Sunday 14 December. Caturthī runs from 13:20 on Sat 13 Dec to 16:03 on Sun 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/vinayaka-chaturthi?on=2053-12-14", "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/2053/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13245, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2053-12-14T16:03:30+03:00", "utc": "2053-12-14T13:03:30Z", "ms": 2649330209676.78 }, "end": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-14T16:03:30+03:00", "utc": "2053-12-14T13:03:30Z", "ms": 2649330209676.78 }, "end": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-14", "window": { "start": { "local": "2053-12-14T11:34:45+03:00", "utc": "2053-12-14T08:34:45Z", "ms": 2649314084577.375 }, "end": { "local": "2053-12-14T12:22:45+03:00", "utc": "2053-12-14T09:22:45Z", "ms": 2649316964577.375 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-15", "window": { "start": { "local": "2053-12-15T11:35:14+03:00", "utc": "2053-12-15T08:35:14Z", "ms": 2649400513797.509 }, "end": { "local": "2053-12-15T12:23:14+03:00", "utc": "2053-12-15T09:23:14Z", "ms": 2649403393797.509 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:03 on Sun 14 Dec to 18:47 on Mon 15 Dec.", "fact": "2053-12-14T13:03:30Z → 2053-12-15T15:47:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13245 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Erbil, 2053: Monday 15 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": "2053-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-15", "confidence": "determinate" } ], "quote": "In Erbil, Nāga Pañcamī (Mārgaśīrṣa) 2053 falls on Monday 15 December. Pañcamī runs from 16:03 on Sun 14 Dec to 18:47 on Mon 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23049, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 }, "end": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 }, "end": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-15", "window": { "start": { "local": "2053-12-15T11:35:14+03:00", "utc": "2053-12-15T08:35:14Z", "ms": 2649400513797.509 }, "end": { "local": "2053-12-15T12:23:14+03:00", "utc": "2053-12-15T09:23:14Z", "ms": 2649403393797.509 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-16", "window": { "start": { "local": "2053-12-16T11:35:43+03:00", "utc": "2053-12-16T08:35:43Z", "ms": 2649486943244.2534 }, "end": { "local": "2053-12-16T12:23:43+03:00", "utc": "2053-12-16T09:23:43Z", "ms": 2649489823244.2534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:47 on Mon 15 Dec to 21:19 on Tue 16 Dec.", "fact": "2053-12-15T15:47:23Z → 2053-12-16T18:18:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 15th, 11:36–12:24 on the 16th.", "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 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: paraviddha → only-day · margin 23049 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Erbil, 2053: Tuesday 16 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": "2053-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-16", "confidence": "determinate" } ], "quote": "In Erbil, Campā Ṣaṣṭhī 2053 falls on Tuesday 16 December. Ṣaṣṭhī runs from 18:47 on Mon 15 Dec to 21:19 on Tue 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23049, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 }, "end": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-15T18:47:23+03:00", "utc": "2053-12-15T15:47:23Z", "ms": 2649426442942.0483 }, "end": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-15", "window": { "start": { "local": "2053-12-15T11:35:14+03:00", "utc": "2053-12-15T08:35:14Z", "ms": 2649400513797.509 }, "end": { "local": "2053-12-15T12:23:14+03:00", "utc": "2053-12-15T09:23:14Z", "ms": 2649403393797.509 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-16", "window": { "start": { "local": "2053-12-16T11:35:43+03:00", "utc": "2053-12-16T08:35:43Z", "ms": 2649486943244.2534 }, "end": { "local": "2053-12-16T12:23:43+03:00", "utc": "2053-12-16T09:23:43Z", "ms": 2649489823244.2534 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:47 on Mon 15 Dec to 21:19 on Tue 16 Dec.", "fact": "2053-12-15T15:47:23Z → 2053-12-16T18:18:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 15th, 11:36–12:24 on the 16th.", "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 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 23049 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Erbil, 2053: Tuesday 16 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": "2053-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-16", "confidence": "determinate" } ], "quote": "In Erbil, Skanda Ṣaṣṭhī 2053 falls on Tuesday 16 December. Ṣaṣṭhī runs from 18:47 on Mon 15 Dec to 21:19 on Tue 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32099, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 }, "end": { "local": "2053-12-17T23:23:16+03:00", "utc": "2053-12-17T20:23:16Z", "ms": 2649615795767.4473 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-16T21:18:43+03:00", "utc": "2053-12-16T18:18:43Z", "ms": 2649521922558.4507 }, "end": { "local": "2053-12-17T23:23:16+03:00", "utc": "2053-12-17T20:23:16Z", "ms": 2649615795767.4473 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-16", "window": { "start": { "local": "2053-12-16T11:35:43+03:00", "utc": "2053-12-16T08:35:43Z", "ms": 2649486943244.2534 }, "end": { "local": "2053-12-16T12:23:43+03:00", "utc": "2053-12-16T09:23:43Z", "ms": 2649489823244.2534 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-17", "window": { "start": { "local": "2053-12-17T11:36:13+03:00", "utc": "2053-12-17T08:36:13Z", "ms": 2649573372882.422 }, "end": { "local": "2053-12-17T12:24:13+03:00", "utc": "2053-12-17T09:24:13Z", "ms": 2649576252882.422 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:19 on Tue 16 Dec to 23:23 on Wed 17 Dec.", "fact": "2053-12-16T18:18:43Z → 2053-12-17T20:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 16th, 11:36–12:24 on the 17th.", "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 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 32099 s" }, { "step": "ruling", "text": "Mitra Saptamī, Erbil, 2053: Wednesday 17 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": "2053-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-17", "confidence": "determinate" } ], "quote": "In Erbil, Mitra Saptamī 2053 falls on Wednesday 17 December. Saptamī runs from 21:19 on Tue 16 Dec to 23:23 on Wed 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/ekadashi?on=2053-12-21", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21964, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2053-12-21T01:05:33+03:00", "utc": "2053-12-20T22:05:33Z", "ms": 2649881132970.013 }, "end": { "local": "2053-12-21T23:53:40+03:00", "utc": "2053-12-21T20:53:40Z", "ms": 2649963220122.5537 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-21T01:05:33+03:00", "utc": "2053-12-20T22:05:33Z", "ms": 2649881132970.013 }, "end": { "local": "2053-12-21T23:53:40+03:00", "utc": "2053-12-21T20:53:40Z", "ms": 2649963220122.5537 } }, "kaala": "sunrise", "days": [ { "local_date": "2053-12-21", "window": { "start": { "local": "2053-12-21T07:11:37+03:00", "utc": "2053-12-21T04:11:37Z", "ms": 2649903097170.5703 }, "end": { "local": "2053-12-21T07:11:37+03:00", "utc": "2053-12-21T04:11:37Z", "ms": 2649903097170.5703 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2053-12-22", "window": { "start": { "local": "2053-12-22T07:12:06+03:00", "utc": "2053-12-22T04:12:06Z", "ms": 2649989526479.0093 }, "end": { "local": "2053-12-22T07:12:06+03:00", "utc": "2053-12-22T04:12:06Z", "ms": 2649989526479.0093 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:06 on Sun 21 Dec to 23:54 on Sun 21 Dec.", "fact": "2053-12-20T22:05:33Z → 2053-12-21T20:53:40Z" }, { "step": "kaala", "text": "Sunrise is at 07:12 on the 21st and 07:12 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21964 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Erbil, 2053: Sunday 21 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": "2053-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-21", "confidence": "determinate" } ], "quote": "In Erbil, Mokṣadā Ekādaśī 2053 falls on Sunday 21 December. Ekādaśī runs from 01:06 on Sun 21 Dec to 23:54 on Sun 21 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/ekadashi?on=2053-12-21", "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/2053/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33961, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2053-12-21T23:53:40+03:00", "utc": "2053-12-21T20:53:40Z", "ms": 2649963220122.5537 }, "end": { "local": "2053-12-22T21:52:44+03:00", "utc": "2053-12-22T18:52:44Z", "ms": 2650042363900.4844 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-21T23:53:40+03:00", "utc": "2053-12-21T20:53:40Z", "ms": 2649963220122.5537 }, "end": { "local": "2053-12-22T21:52:44+03:00", "utc": "2053-12-22T18:52:44Z", "ms": 2650042363900.4844 } }, "kaala": "madhyahna", "days": [ { "local_date": "2053-12-21", "window": { "start": { "local": "2053-12-21T11:38:13+03:00", "utc": "2053-12-21T08:38:13Z", "ms": 2649919092653.4395 }, "end": { "local": "2053-12-21T12:26:13+03:00", "utc": "2053-12-21T09:26:13Z", "ms": 2649921972653.4395 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2053-12-22", "window": { "start": { "local": "2053-12-22T11:38:43+03:00", "utc": "2053-12-22T08:38:43Z", "ms": 2650005522731.26 }, "end": { "local": "2053-12-22T12:26:43+03:00", "utc": "2053-12-22T09:26:43Z", "ms": 2650008402731.26 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:54 on Sun 21 Dec to 21:53 on Mon 22 Dec.", "fact": "2053-12-21T20:53:40Z → 2053-12-22T18:52:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:39–12:27 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33961 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Erbil, 2053: Monday 22 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": "2053-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-22", "confidence": "determinate" } ], "quote": "In Erbil, Akhaṇḍa Dvādaśī 2053 falls on Monday 22 December. Dvādaśī runs from 23:54 on Sun 21 Dec to 21:53 on Mon 22 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/erbil/festivals/2053/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/2053/pradosha-vrata?on=2053-12-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1329, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2053-12-22T21:52:44+03:00", "utc": "2053-12-22T18:52:44Z", "ms": 2650042363900.4844 }, "end": { "local": "2053-12-23T19:10:34+03:00", "utc": "2053-12-23T16:10:34Z", "ms": 2650119034132.0815 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-22T21:52:44+03:00", "utc": "2053-12-22T18:52:44Z", "ms": 2650042363900.4844 }, "end": { "local": "2053-12-23T19:10:34+03:00", "utc": "2053-12-23T16:10:34Z", "ms": 2650119034132.0815 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-12-22", "window": { "start": { "local": "2053-12-22T16:53:19+03:00", "utc": "2053-12-22T13:53:19Z", "ms": 2650024398983.5107 }, "end": { "local": "2053-12-22T18:47:53+03:00", "utc": "2053-12-22T15:47:53Z", "ms": 2650031272996.6997 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "2053-12-23", "window": { "start": { "local": "2053-12-23T16:53:52+03:00", "utc": "2053-12-23T13:53:52Z", "ms": 2650110831514.073 }, "end": { "local": "2053-12-23T18:48:25+03:00", "utc": "2053-12-23T15:48:25Z", "ms": 2650117704639.197 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:53 on Mon 22 Dec to 19:11 on Tue 23 Dec.", "fact": "2053-12-22T18:52:44Z → 2053-12-23T16:10:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:53–18:48 on the 22nd, 16:54–18:48 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 115 minutes on the 22nd and 115 of 115 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 1329 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Erbil, 2053: Tuesday 23 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": "2053-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-23", "confidence": "determinate" } ], "quote": "In Erbil, Śukla Pradoṣa Vrata 2053 falls on Tuesday 23 December. Trayodaśī runs from 21:53 on Mon 22 Dec to 19:11 on Tue 23 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/pradosha-vrata?on=2053-12-23", "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/2053/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3439, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2053-12-24T15:57:07+03:00", "utc": "2053-12-24T12:57:07Z", "ms": 2650193826809.586 }, "end": { "local": "2053-12-25T12:23:26+03:00", "utc": "2053-12-25T09:23:26Z", "ms": 2650267405629.247 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-24T15:57:07+03:00", "utc": "2053-12-24T12:57:07Z", "ms": 2650193826809.586 }, "end": { "local": "2053-12-25T12:23:26+03:00", "utc": "2053-12-25T09:23:26Z", "ms": 2650267405629.247 } }, "kaala": "pradosha", "days": [ { "local_date": "2053-12-24", "window": { "start": { "local": "2053-12-24T16:54:26+03:00", "utc": "2053-12-24T13:54:26Z", "ms": 2650197265695.3564 }, "end": { "local": "2053-12-24T18:48:57+03:00", "utc": "2053-12-24T15:48:57Z", "ms": 2650204137477.798 } }, "covered_min": 115, "window_min": 115, "qualifies": true }, { "local_date": "2053-12-25", "window": { "start": { "local": "2053-12-25T16:55:01+03:00", "utc": "2053-12-25T13:55:01Z", "ms": 2650283701494.1567 }, "end": { "local": "2053-12-25T18:49:31+03:00", "utc": "2053-12-25T15:49:31Z", "ms": 2650290571480.632 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:57 on Wed 24 Dec to 12:23 on Thu 25 Dec.", "fact": "2053-12-24T12:57:07Z → 2053-12-25T09:23:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:49 on the 24th, 16:55–18:50 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 115 of 115 minutes on the 24th and 0 of 114 on the 25th.", "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 3439 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Erbil, 2053: Wednesday 24 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": "2053-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-24", "confidence": "determinate" } ], "quote": "In Erbil, Dattātreyotpatti (Datta Jayanti) 2053 falls on Wednesday 24 December. Pūrṇimā runs from 15:57 on Wed 24 Dec to 12:23 on Thu 25 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/erbil/festivals/2053/dattatreyotpatti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/erbil/festivals/2053/sankashta-chaturthi?on=2053-12-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "95446", "year": 2053, "local_date": "2053-12-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6241, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2053-12-28T01:33:47+03:00", "utc": "2053-12-27T22:33:47Z", "ms": 2650487626769.0396 }, "end": { "local": "2053-12-28T22:29:01+03:00", "utc": "2053-12-28T19:29:01Z", "ms": 2650562940632.956 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2053-12-28T01:33:47+03:00", "utc": "2053-12-27T22:33:47Z", "ms": 2650487626769.0396 }, "end": { "local": "2053-12-28T22:29:01+03:00", "utc": "2053-12-28T19:29:01Z", "ms": 2650562940632.956 } }, "kaala": "moonrise", "days": [ { "local_date": "2053-12-27", "window": { "start": { "local": "2053-12-27T19:35:47+03:00", "utc": "2053-12-27T16:35:47Z", "ms": 2650466146967.748 }, "end": { "local": "2053-12-27T19:35:47+03:00", "utc": "2053-12-27T16:35:47Z", "ms": 2650466146967.748 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2053-12-28", "window": { "start": { "local": "2053-12-28T20:44:59+03:00", "utc": "2053-12-28T17:44:59Z", "ms": 2650556699447.926 }, "end": { "local": "2053-12-28T20:44:59+03:00", "utc": "2053-12-28T17:44:59Z", "ms": 2650556699447.926 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:34 on Sun 28 Dec to 22:29 on Sun 28 Dec.", "fact": "2053-12-27T22:33:47Z → 2053-12-28T19:29:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:36 on the 27th and 20:45 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6241 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Erbil, 2053: Sunday 28 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": "2053-12-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2053-12-28", "confidence": "determinate" } ], "quote": "In Erbil, Saṅkaṣṭa Caturthī 2053 falls on Sunday 28 December. Caturthī runs from 01:34 on Sun 28 Dec to 22:29 on Sun 28 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/erbil/festivals/2053/sankashta-chaturthi?on=2053-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }