{ "id": "/cairo/festivals/2002", "place": { "id": "360630", "slug": "cairo", "name": "Cairo", "region": "Egypt", "country": "EG", "lat": 30.06263, "lon": 31.24967, "elevation_m": 23, "tz": "Africa/Cairo" }, "year": 2002, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-01-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20745, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-01-02T05:03:42+02:00", "utc": "2002-01-02T03:03:42Z", "ms": 1009940621777.739 }, "end": { "local": "2002-01-03T02:17:03+02:00", "utc": "2002-01-03T00:17:03Z", "ms": 1010017022881.0891 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-02T05:03:42+02:00", "utc": "2002-01-02T03:03:42Z", "ms": 1009940621777.739 }, "end": { "local": "2002-01-03T02:17:03+02:00", "utc": "2002-01-03T00:17:03Z", "ms": 1010017022881.0891 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-01-01", "window": { "start": { "local": "2002-01-01T19:22:35+02:00", "utc": "2002-01-01T17:22:35Z", "ms": 1009905755488.1132 }, "end": { "local": "2002-01-01T19:22:35+02:00", "utc": "2002-01-01T17:22:35Z", "ms": 1009905755488.1132 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-01-02", "window": { "start": { "local": "2002-01-02T20:31:18+02:00", "utc": "2002-01-02T18:31:18Z", "ms": 1009996277892.9673 }, "end": { "local": "2002-01-02T20:31:18+02:00", "utc": "2002-01-02T18:31:18Z", "ms": 1009996277892.9673 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:04 on Wed 2 Jan to 02:17 on Thu 3 Jan.", "fact": "2002-01-02T03:03:42Z → 2002-01-03T00:17:03Z" }, { "step": "kaala", "text": "Moonrise is at 19:23 on the 1st and 20:31 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is 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 20745 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Wednesday 2 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": "2002-01-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-02", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Wednesday 2 January. Caturthī runs from 05:04 on Wed 2 Jan to 02:17 on Thu 3 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-01-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-01-09", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25080, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-01-08T14:29:00+02:00", "utc": "2002-01-08T12:29:00Z", "ms": 1010492939988.7733 }, "end": { "local": "2002-01-09T13:50:25+02:00", "utc": "2002-01-09T11:50:25Z", "ms": 1010577024890.6514 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-08T14:29:00+02:00", "utc": "2002-01-08T12:29:00Z", "ms": 1010492939988.7733 }, "end": { "local": "2002-01-09T13:50:25+02:00", "utc": "2002-01-09T11:50:25Z", "ms": 1010577024890.6514 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-01-08", "window": { "start": { "local": "2002-01-08T06:52:22+02:00", "utc": "2002-01-08T04:52:22Z", "ms": 1010465542023.5526 }, "end": { "local": "2002-01-08T06:52:22+02:00", "utc": "2002-01-08T04:52:22Z", "ms": 1010465542023.5526 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-01-09", "window": { "start": { "local": "2002-01-09T06:52:25+02:00", "utc": "2002-01-09T04:52:25Z", "ms": 1010551944766.069 }, "end": { "local": "2002-01-09T06:52:25+02:00", "utc": "2002-01-09T04:52:25Z", "ms": 1010551944766.069 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:29 on Tue 8 Jan to 13:50 on Wed 9 Jan.", "fact": "2002-01-08T12:29:00Z → 2002-01-09T11:50:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 8th and 06:52 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is 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 25080 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Cairo, 2002: Wednesday 9 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": "2002-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-09", "confidence": "determinate" } ], "quote": "In Cairo, Saphalā Ekādaśī 2002 falls on Wednesday 9 January. Ekādaśī runs from 14:29 on Tue 8 Jan to 13:50 on Wed 9 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-01-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12260, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-01-10T13:37:10+02:00", "utc": "2002-01-10T11:37:10Z", "ms": 1010662630112.1913 }, "end": { "local": "2002-01-11T13:49:09+02:00", "utc": "2002-01-11T11:49:09Z", "ms": 1010749748986.0295 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-10T13:37:10+02:00", "utc": "2002-01-10T11:37:10Z", "ms": 1010662630112.1913 }, "end": { "local": "2002-01-11T13:49:09+02:00", "utc": "2002-01-11T11:49:09Z", "ms": 1010749748986.0295 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-01-10", "window": { "start": { "local": "2002-01-10T17:12:40+02:00", "utc": "2002-01-10T15:12:40Z", "ms": 1010675560053.4934 }, "end": { "local": "2002-01-10T19:01:58+02:00", "utc": "2002-01-10T17:01:58Z", "ms": 1010682118083.8496 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2002-01-11", "window": { "start": { "local": "2002-01-11T17:13:29+02:00", "utc": "2002-01-11T15:13:29Z", "ms": 1010762009269.6559 }, "end": { "local": "2002-01-11T19:02:40+02:00", "utc": "2002-01-11T17:02:40Z", "ms": 1010768560438.7728 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:37 on Thu 10 Jan to 13:49 on Fri 11 Jan.", "fact": "2002-01-10T11:37:10Z → 2002-01-11T11:49:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–19:02 on the 10th, 17:13–19:03 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12260 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Thursday 10 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": "2002-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-10", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Thursday 10 January. Trayodaśī runs from 13:37 on Thu 10 Jan to 13:49 on Fri 11 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-01-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-01-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33181, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-01-11T13:49:09+02:00", "utc": "2002-01-11T11:49:09Z", "ms": 1010749748986.0295 }, "end": { "local": "2002-01-12T14:26:18+02:00", "utc": "2002-01-12T12:26:18Z", "ms": 1010838378138.4131 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-11T13:49:09+02:00", "utc": "2002-01-11T11:49:09Z", "ms": 1010749748986.0295 }, "end": { "local": "2002-01-12T14:26:18+02:00", "utc": "2002-01-12T12:26:18Z", "ms": 1010838378138.4131 } }, "kaala": "nishita", "days": [ { "local_date": "2002-01-11", "window": { "start": { "local": "2002-01-11T23:38:56+02:00", "utc": "2002-01-11T21:38:56Z", "ms": 1010785136153.8445 }, "end": { "local": "2002-01-12T00:26:56+02:00", "utc": "2002-01-11T22:26:56Z", "ms": 1010788016153.8445 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-01-12", "window": { "start": { "local": "2002-01-12T23:39:19+02:00", "utc": "2002-01-12T21:39:19Z", "ms": 1010871559052.3553 }, "end": { "local": "2002-01-13T00:27:19+02:00", "utc": "2002-01-12T22:27:19Z", "ms": 1010874439052.3553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:49 on Fri 11 Jan to 14:26 on Sat 12 Jan.", "fact": "2002-01-11T11:49:09Z → 2002-01-12T12:26:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 11th, 23:39–00:27 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33181 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Friday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-11", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Friday 11 January. Caturdaśī runs from 13:49 on Fri 11 Jan to 14:26 on Sat 12 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33909, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-02-12T20:51:56+02:00", "utc": "2002-02-12T18:51:56Z", "ms": 1013539916352.1987 } }, "span": { "of": "transit", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 } }, "kaala": "sunset-day", "days": [ { "local_date": "2002-01-14", "window": { "start": { "local": "2002-01-13T17:15:09+02:00", "utc": "2002-01-13T15:15:09Z", "ms": 1010934909153.3536 }, "end": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2002-01-15", "window": { "start": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 }, "end": { "local": "2002-01-15T17:16:51+02:00", "utc": "2002-01-15T15:16:51Z", "ms": 1011107810662.9202 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2002-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:51 on Mon 14 Jan.", "fact": "2002-01-14T05:50:51Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 33909 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Cairo, 2002: Sunday 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": "2002-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2002-01-13", "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": "2002-01-13", "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 Cairo, Bhogi 2002 falls on Sunday 13 January. It is kept the day before Pongal, which falls on Monday 14 January. The Sun enters Makara at 07:51 on Mon 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/cairo/festivals/2002/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": "/cairo/festivals/2002/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33909, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-02-12T20:51:56+02:00", "utc": "2002-02-12T18:51:56Z", "ms": 1013539916352.1987 } }, "span": { "of": "transit", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 } }, "kaala": "sunset-day", "days": [ { "local_date": "2002-01-14", "window": { "start": { "local": "2002-01-13T17:15:09+02:00", "utc": "2002-01-13T15:15:09Z", "ms": 1010934909153.3536 }, "end": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2002-01-15", "window": { "start": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 }, "end": { "local": "2002-01-15T17:16:51+02:00", "utc": "2002-01-15T15:16:51Z", "ms": 1011107810662.9202 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:51 on Mon 14 Jan.", "fact": "2002-01-14T05:50:51Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 33909 s" }, { "step": "ruling", "text": "Pongal, Cairo, 2002: Monday 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": "2002-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2002-01-14", "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": "2002-01-14", "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 Cairo, Pongal 2002 falls on Monday 14 January. The Sun enters Makara at 07:51 on Mon 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/cairo/festivals/2002/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": "/cairo/festivals/2002/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28251, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-02-12T20:51:56+02:00", "utc": "2002-02-12T18:51:56Z", "ms": 1013539916352.1987 } }, "span": { "of": "transit", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 } }, "kaala": "civil-day", "days": [ { "local_date": "2002-01-13", "window": { "start": { "local": "2002-01-13T00:00:00+02:00", "utc": "2002-01-12T22:00:00Z", "ms": 1010872800000 }, "end": { "local": "2002-01-14T00:00:00+02:00", "utc": "2002-01-13T22:00:00Z", "ms": 1010959200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2002-01-14", "window": { "start": { "local": "2002-01-14T00:00:00+02:00", "utc": "2002-01-13T22:00:00Z", "ms": 1010959200000 }, "end": { "local": "2002-01-15T00:00:00+02:00", "utc": "2002-01-14T22:00:00Z", "ms": 1011045600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:51 on Mon 14 Jan.", "fact": "2002-01-14T05:50:51Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Cairo.", "fact": "civil-day: midnight-to-midnight · Africa/Cairo" }, { "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 28251 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Cairo, 2002: Monday 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": "2002-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2002-01-14", "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": "2002-01-14", "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 Cairo, Makara Saṅkrānti 2002 falls on Monday 14 January. The Sun enters Makara at 07:51 on Mon 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33909, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-02-12T20:51:56+02:00", "utc": "2002-02-12T18:51:56Z", "ms": 1013539916352.1987 } }, "span": { "of": "transit", "start": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 }, "end": { "local": "2002-01-14T07:50:51+02:00", "utc": "2002-01-14T05:50:51Z", "ms": 1010987450535.4348 } }, "kaala": "sunset-day", "days": [ { "local_date": "2002-01-14", "window": { "start": { "local": "2002-01-13T17:15:09+02:00", "utc": "2002-01-13T15:15:09Z", "ms": 1010934909153.3536 }, "end": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2002-01-15", "window": { "start": { "local": "2002-01-14T17:16:00+02:00", "utc": "2002-01-14T15:16:00Z", "ms": 1011021359727.6664 }, "end": { "local": "2002-01-15T17:16:51+02:00", "utc": "2002-01-15T15:16:51Z", "ms": 1011107810662.9202 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2002-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:51 on Mon 14 Jan.", "fact": "2002-01-14T05:50:51Z · 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 17:16, and the day of the 15th ends at 17:17.", "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 33909 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Cairo, 2002: Tuesday 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": "2002-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2002-01-15", "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": "2002-01-15", "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 Cairo, Mattu Pongal 2002 falls on Tuesday 15 January. It is kept the day after Pongal, which falls on Monday 14 January. The Sun enters Makara at 07:51 on Mon 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/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-01-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30553, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-01-16T20:58:03+02:00", "utc": "2002-01-16T18:58:03Z", "ms": 1011207482820.797 }, "end": { "local": "2002-01-17T23:25:14+02:00", "utc": "2002-01-17T21:25:14Z", "ms": 1011302714260.4319 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-16T20:58:03+02:00", "utc": "2002-01-16T18:58:03Z", "ms": 1011207482820.797 }, "end": { "local": "2002-01-17T23:25:14+02:00", "utc": "2002-01-17T21:25:14Z", "ms": 1011302714260.4319 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-01-16", "window": { "start": { "local": "2002-01-16T11:40:50+02:00", "utc": "2002-01-16T09:40:50Z", "ms": 1011174049595.5878 }, "end": { "local": "2002-01-16T12:28:50+02:00", "utc": "2002-01-16T10:28:50Z", "ms": 1011176929595.5878 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-01-17", "window": { "start": { "local": "2002-01-17T11:41:10+02:00", "utc": "2002-01-17T09:41:10Z", "ms": 1011260470035.4485 }, "end": { "local": "2002-01-17T12:29:10+02:00", "utc": "2002-01-17T10:29:10Z", "ms": 1011263350035.4485 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:58 on Wed 16 Jan to 23:25 on Thu 17 Jan.", "fact": "2002-01-16T18:58:03Z → 2002-01-17T21:25:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 16th, 11:41–12:29 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 30553 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Thursday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-17", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Thursday 17 January. Caturthī runs from 20:58 on Wed 16 Jan to 23:25 on Thu 17 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-01-25", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10480, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-01-24T10:09:51+02:00", "utc": "2002-01-24T08:09:51Z", "ms": 1011859791114.274 }, "end": { "local": "2002-01-25T09:44:02+02:00", "utc": "2002-01-25T07:44:02Z", "ms": 1011944641530.4657 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-24T10:09:51+02:00", "utc": "2002-01-24T08:09:51Z", "ms": 1011859791114.274 }, "end": { "local": "2002-01-25T09:44:02+02:00", "utc": "2002-01-25T07:44:02Z", "ms": 1011944641530.4657 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-01-24", "window": { "start": { "local": "2002-01-24T06:49:46+02:00", "utc": "2002-01-24T04:49:46Z", "ms": 1011847785519.1545 }, "end": { "local": "2002-01-24T06:49:46+02:00", "utc": "2002-01-24T04:49:46Z", "ms": 1011847785519.1545 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-01-25", "window": { "start": { "local": "2002-01-25T06:49:22+02:00", "utc": "2002-01-25T04:49:22Z", "ms": 1011934161691.667 }, "end": { "local": "2002-01-25T06:49:22+02:00", "utc": "2002-01-25T04:49:22Z", "ms": 1011934161691.667 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:10 on Thu 24 Jan to 09:44 on Fri 25 Jan.", "fact": "2002-01-24T08:09:51Z → 2002-01-25T07:44:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 24th and 06:49 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10480 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Cairo, 2002: Friday 25 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": "2002-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-25", "confidence": "determinate" } ], "quote": "In Cairo, Putradā Ekādaśī 2002 falls on Friday 25 January. Ekādaśī runs from 10:10 on Thu 24 Jan to 09:44 on Fri 25 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-01-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32211, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-01-26T08:29:32+02:00", "utc": "2002-01-26T06:29:32Z", "ms": 1012026572191.5997 }, "end": { "local": "2002-01-27T06:30:45+02:00", "utc": "2002-01-27T04:30:45Z", "ms": 1012105844749.5134 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-01-26T08:29:32+02:00", "utc": "2002-01-26T06:29:32Z", "ms": 1012026572191.5997 }, "end": { "local": "2002-01-27T06:30:45+02:00", "utc": "2002-01-27T04:30:45Z", "ms": 1012105844749.5134 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-01-26", "window": { "start": { "local": "2002-01-26T17:26:23+02:00", "utc": "2002-01-26T15:26:23Z", "ms": 1012058783104.406 }, "end": { "local": "2002-01-26T19:13:20+02:00", "utc": "2002-01-26T17:13:20Z", "ms": 1012065199930.7542 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2002-01-27", "window": { "start": { "local": "2002-01-27T17:27:15+02:00", "utc": "2002-01-27T15:27:15Z", "ms": 1012145235326.7733 }, "end": { "local": "2002-01-27T19:14:01+02:00", "utc": "2002-01-27T17:14:01Z", "ms": 1012151641387.4668 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:30 on Sat 26 Jan to 06:31 on Sun 27 Jan.", "fact": "2002-01-26T06:29:32Z → 2002-01-27T04:30:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:13 on the 26th, 17:27–19:14 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 26th and 0 of 107 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32211 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Saturday 26 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": "2002-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-26", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Saturday 26 January. Trayodaśī runs from 08:30 on Sat 26 Jan to 06:31 on Sun 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-01-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-01-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21597, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-01-31T14:30:49+02:00", "utc": "2002-01-31T12:30:49Z", "ms": 1012480248799.7124 }, "end": { "local": "2002-02-01T11:16:31+02:00", "utc": "2002-02-01T09:16:31Z", "ms": 1012554991365.4396 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-01-31T14:30:49+02:00", "utc": "2002-01-31T12:30:49Z", "ms": 1012480248799.7124 }, "end": { "local": "2002-02-01T11:16:31+02:00", "utc": "2002-02-01T09:16:31Z", "ms": 1012554991365.4396 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-01-31", "window": { "start": { "local": "2002-01-31T20:30:46+02:00", "utc": "2002-01-31T18:30:46Z", "ms": 1012501845516.3159 }, "end": { "local": "2002-01-31T20:30:46+02:00", "utc": "2002-01-31T18:30:46Z", "ms": 1012501845516.3159 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-02-01", "window": { "start": { "local": "2002-02-01T21:37:50+02:00", "utc": "2002-02-01T19:37:50Z", "ms": 1012592270435.0795 }, "end": { "local": "2002-02-01T21:37:50+02:00", "utc": "2002-02-01T19:37:50Z", "ms": 1012592270435.0795 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:31 on Thu 31 Jan to 11:17 on Fri 1 Feb.", "fact": "2002-01-31T12:30:49Z → 2002-02-01T09:16:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:31 on the 31st and 21:38 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21597 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Thursday 31 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": "2002-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-01-31", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Thursday 31 January. Caturthī runs from 14:31 on Thu 31 Jan to 11:17 on Fri 1 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-02-07", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12503, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-02-07T02:35:27+02:00", "utc": "2002-02-07T00:35:27Z", "ms": 1013042127369.1969 }, "end": { "local": "2002-02-08T03:12:50+02:00", "utc": "2002-02-08T01:12:50Z", "ms": 1013130769590.1678 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-07T02:35:27+02:00", "utc": "2002-02-07T00:35:27Z", "ms": 1013042127369.1969 }, "end": { "local": "2002-02-08T03:12:50+02:00", "utc": "2002-02-08T01:12:50Z", "ms": 1013130769590.1678 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-02-07", "window": { "start": { "local": "2002-02-07T06:41:56+02:00", "utc": "2002-02-07T04:41:56Z", "ms": 1013056916018.2186 }, "end": { "local": "2002-02-07T06:41:56+02:00", "utc": "2002-02-07T04:41:56Z", "ms": 1013056916018.2186 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-02-08", "window": { "start": { "local": "2002-02-08T06:41:12+02:00", "utc": "2002-02-08T04:41:12Z", "ms": 1013143272115.5293 }, "end": { "local": "2002-02-08T06:41:12+02:00", "utc": "2002-02-08T04:41:12Z", "ms": 1013143272115.5293 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:35 on Thu 7 Feb to 03:13 on Fri 8 Feb.", "fact": "2002-02-07T00:35:27Z → 2002-02-08T01:12:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 7th and 06:41 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12503 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Cairo, 2002: Thursday 7 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": "2002-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-07", "confidence": "determinate" } ], "quote": "In Cairo, Ṣaṭtilā Ekādaśī 2002 falls on Thursday 7 February. Ekādaśī runs from 02:35 on Thu 7 Feb to 03:13 on Fri 8 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-02-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32190, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-02-09T04:18:23+02:00", "utc": "2002-02-09T02:18:23Z", "ms": 1013221103087.7439 }, "end": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-09T04:18:23+02:00", "utc": "2002-02-09T02:18:23Z", "ms": 1013221103087.7439 }, "end": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-02-08", "window": { "start": { "local": "2002-02-08T17:37:29+02:00", "utc": "2002-02-08T15:37:29Z", "ms": 1013182649320.19 }, "end": { "local": "2002-02-08T19:21:53+02:00", "utc": "2002-02-08T17:21:53Z", "ms": 1013188913005.0414 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2002-02-09", "window": { "start": { "local": "2002-02-09T17:38:19+02:00", "utc": "2002-02-09T15:38:19Z", "ms": 1013269098900.4484 }, "end": { "local": "2002-02-09T19:22:30+02:00", "utc": "2002-02-09T17:22:30Z", "ms": 1013275349789.0112 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:18 on Sat 9 Feb to 05:48 on Sun 10 Feb.", "fact": "2002-02-09T02:18:23Z → 2002-02-10T03:47:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:22 on the 8th, 17:38–19:22 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 104 minutes on the 8th and 104 of 104 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 32190 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Saturday 9 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": "2002-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-09", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Saturday 9 February. Trayodaśī runs from 04:18 on Sat 9 Feb to 05:48 on Sun 10 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-02-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-02-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18870, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 }, "end": { "local": "2002-02-11T07:36:07+02:00", "utc": "2002-02-11T05:36:07Z", "ms": 1013405766882.2504 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 }, "end": { "local": "2002-02-11T07:36:07+02:00", "utc": "2002-02-11T05:36:07Z", "ms": 1013405766882.2504 } }, "kaala": "nishita", "days": [ { "local_date": "2002-02-09", "window": { "start": { "local": "2002-02-09T23:45:00+02:00", "utc": "2002-02-09T21:45:00Z", "ms": 1013291099732.559 }, "end": { "local": "2002-02-10T00:33:00+02:00", "utc": "2002-02-09T22:33:00Z", "ms": 1013293979732.559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-10", "window": { "start": { "local": "2002-02-10T23:45:01+02:00", "utc": "2002-02-10T21:45:01Z", "ms": 1013377500560.9164 }, "end": { "local": "2002-02-11T00:33:01+02:00", "utc": "2002-02-10T22:33:01Z", "ms": 1013380380560.9164 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:48 on Sun 10 Feb to 07:36 on Mon 11 Feb.", "fact": "2002-02-10T03:47:30Z → 2002-02-11T05:36:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 9th, 23:45–00:33 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 18870 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Sunday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-10", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Sunday 10 February. Caturdaśī runs from 05:48 on Sun 10 Feb to 07:36 on Mon 11 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3120, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 }, "end": { "local": "2002-02-11T07:36:07+02:00", "utc": "2002-02-11T05:36:07Z", "ms": 1013405766882.2504 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-10T05:47:30+02:00", "utc": "2002-02-10T03:47:30Z", "ms": 1013312850110.2926 }, "end": { "local": "2002-02-11T07:36:07+02:00", "utc": "2002-02-11T05:36:07Z", "ms": 1013405766882.2504 } }, "kaala": "arunodaya", "days": [ { "local_date": "2002-02-10", "window": { "start": { "local": "2002-02-10T04:55:30+02:00", "utc": "2002-02-10T02:55:30Z", "ms": 1013309729676.1067 }, "end": { "local": "2002-02-10T06:39:41+02:00", "utc": "2002-02-10T04:39:41Z", "ms": 1013315980564.6696 } }, "covered_min": 52, "window_min": 104, "qualifies": true }, { "local_date": "2002-02-11", "window": { "start": { "local": "2002-02-11T04:54:55+02:00", "utc": "2002-02-11T02:54:55Z", "ms": 1013396094989.342 }, "end": { "local": "2002-02-11T06:38:53+02:00", "utc": "2002-02-11T04:38:53Z", "ms": 1013402332963.3151 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:48 on Sun 10 Feb to 07:36 on Mon 11 Feb.", "fact": "2002-02-10T03:47:30Z → 2002-02-11T05:36:07Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:55–06:40 on the 10th, 04:55–06:39 on the 11th.", "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 52 of 104 minutes on the 10th and 104 of 104 on the 11th.", "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 3120 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Cairo, 2002: Monday 11 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-11", "confidence": "boundary" } ], "quote": "In Cairo, Yama Tarpaṇa 2002 falls on Monday 11 February. Caturdaśī runs from 05:48 on Sun 10 Feb to 07:36 on Mon 11 Feb and covers all of aruṇodaya that dawn. It also reaches the previous dawn for 52 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/cairo/festivals/2002/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": "/cairo/festivals/2002/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-15", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 345, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-02-15T17:00:00+02:00", "utc": "2002-02-15T15:00:00Z", "ms": 1013785199647.4716 }, "end": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-15T17:00:00+02:00", "utc": "2002-02-15T15:00:00Z", "ms": 1013785199647.4716 }, "end": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-02-15", "window": { "start": { "local": "2002-02-15T17:43:09+02:00", "utc": "2002-02-15T15:43:09Z", "ms": 1013787789160.9636 }, "end": { "local": "2002-02-15T19:26:01+02:00", "utc": "2002-02-15T17:26:01Z", "ms": 1013793960961.1864 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2002-02-16", "window": { "start": { "local": "2002-02-16T17:43:56+02:00", "utc": "2002-02-16T15:43:56Z", "ms": 1013874236231.0205 }, "end": { "local": "2002-02-16T19:26:35+02:00", "utc": "2002-02-16T17:26:35Z", "ms": 1013880394509.5549 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:00 on Fri 15 Feb to 19:32 on Sat 16 Feb.", "fact": "2002-02-15T15:00:00Z → 2002-02-16T17:32:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:26 on the 15th, 17:44–19:27 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 103 of 103 minutes on the 15th and 103 of 103 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "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 345 s" }, { "step": "ruling", "text": "Tila Caturthī, Cairo, 2002: Friday 15 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2002-02-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-15", "confidence": "boundary" } ], "quote": "In Cairo, Tila Caturthī 2002 falls on Friday 15 February. Caturthī runs from 17:00 on Fri 15 Feb to 19:32 on Sat 16 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 103 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/cairo/festivals/2002/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": "/cairo/festivals/2002/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16000, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-02-15T17:00:00+02:00", "utc": "2002-02-15T15:00:00Z", "ms": 1013785199647.4716 }, "end": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-15T17:00:00+02:00", "utc": "2002-02-15T15:00:00Z", "ms": 1013785199647.4716 }, "end": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-02-15", "window": { "start": { "local": "2002-02-15T11:45:20+02:00", "utc": "2002-02-15T09:45:20Z", "ms": 1013766320053.2627 }, "end": { "local": "2002-02-15T12:33:20+02:00", "utc": "2002-02-15T10:33:20Z", "ms": 1013769200053.2627 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-16", "window": { "start": { "local": "2002-02-16T11:45:17+02:00", "utc": "2002-02-16T09:45:17Z", "ms": 1013852716946.8276 }, "end": { "local": "2002-02-16T12:33:17+02:00", "utc": "2002-02-16T10:33:17Z", "ms": 1013855596946.8276 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:00 on Fri 15 Feb to 19:32 on Sat 16 Feb.", "fact": "2002-02-15T15:00:00Z → 2002-02-16T17:32:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 15th, 11:45–12:33 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 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16000 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Cairo, 2002: Saturday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-16", "confidence": "determinate" } ], "quote": "In Cairo, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2002 falls on Saturday 16 February. Caturthī runs from 17:00 on Fri 15 Feb to 19:32 on Sat 16 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25143, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "end": { "local": "2002-02-17T21:55:08+02:00", "utc": "2002-02-17T19:55:08Z", "ms": 1013975708350.9458 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "end": { "local": "2002-02-17T21:55:08+02:00", "utc": "2002-02-17T19:55:08Z", "ms": 1013975708350.9458 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-02-16", "window": { "start": { "local": "2002-02-16T11:45:17+02:00", "utc": "2002-02-16T09:45:17Z", "ms": 1013852716946.8276 }, "end": { "local": "2002-02-16T12:33:17+02:00", "utc": "2002-02-16T10:33:17Z", "ms": 1013855596946.8276 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-17", "window": { "start": { "local": "2002-02-17T11:45:13+02:00", "utc": "2002-02-17T09:45:13Z", "ms": 1013939113113.1697 }, "end": { "local": "2002-02-17T12:33:13+02:00", "utc": "2002-02-17T10:33:13Z", "ms": 1013941993113.1697 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:32 on Sat 16 Feb to 21:55 on Sun 17 Feb.", "fact": "2002-02-16T17:32:20Z → 2002-02-17T19:55:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 16th, 11:45–12:33 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25143 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Cairo, 2002: Sunday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-17", "confidence": "determinate" } ], "quote": "In Cairo, Śrī Pañcamī 2002 falls on Sunday 17 February. Pañcamī runs from 19:32 on Sat 16 Feb to 21:55 on Sun 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25143, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "end": { "local": "2002-02-17T21:55:08+02:00", "utc": "2002-02-17T19:55:08Z", "ms": 1013975708350.9458 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-16T19:32:20+02:00", "utc": "2002-02-16T17:32:20Z", "ms": 1013880739983.6195 }, "end": { "local": "2002-02-17T21:55:08+02:00", "utc": "2002-02-17T19:55:08Z", "ms": 1013975708350.9458 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-02-16", "window": { "start": { "local": "2002-02-16T11:45:17+02:00", "utc": "2002-02-16T09:45:17Z", "ms": 1013852716946.8276 }, "end": { "local": "2002-02-16T12:33:17+02:00", "utc": "2002-02-16T10:33:17Z", "ms": 1013855596946.8276 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-17", "window": { "start": { "local": "2002-02-17T11:45:13+02:00", "utc": "2002-02-17T09:45:13Z", "ms": 1013939113113.1697 }, "end": { "local": "2002-02-17T12:33:13+02:00", "utc": "2002-02-17T10:33:13Z", "ms": 1013941993113.1697 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:32 on Sat 16 Feb to 21:55 on Sun 17 Feb.", "fact": "2002-02-16T17:32:20Z → 2002-02-17T19:55:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 16th, 11:45–12:33 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25143 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Cairo, 2002: Sunday 17 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-17", "confidence": "determinate" } ], "quote": "In Cairo, Vasanta Pañcamī 2002 falls on Sunday 17 February. Pañcamī runs from 19:32 on Sat 16 Feb to 21:55 on Sun 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11919, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-02-18T23:58:06+02:00", "utc": "2002-02-18T21:58:06Z", "ms": 1014069485528.5215 }, "end": { "local": "2002-02-20T01:30:18+02:00", "utc": "2002-02-19T23:30:18Z", "ms": 1014161418327.5472 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-18T23:58:06+02:00", "utc": "2002-02-18T21:58:06Z", "ms": 1014069485528.5215 }, "end": { "local": "2002-02-20T01:30:18+02:00", "utc": "2002-02-19T23:30:18Z", "ms": 1014161418327.5472 } }, "kaala": "arunodaya", "days": [ { "local_date": "2002-02-19", "window": { "start": { "local": "2002-02-19T04:49:41+02:00", "utc": "2002-02-19T02:49:41Z", "ms": 1014086980579.5487 }, "end": { "local": "2002-02-19T06:31:52+02:00", "utc": "2002-02-19T04:31:52Z", "ms": 1014093111563.808 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "2002-02-20", "window": { "start": { "local": "2002-02-20T04:48:57+02:00", "utc": "2002-02-20T02:48:57Z", "ms": 1014173336985.4791 }, "end": { "local": "2002-02-20T06:30:54+02:00", "utc": "2002-02-20T04:30:54Z", "ms": 1014179454205.697 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:58 on Mon 18 Feb to 01:30 on Wed 20 Feb.", "fact": "2002-02-18T21:58:06Z → 2002-02-19T23:30:18Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:50–06:32 on the 19th, 04:49–06:31 on the 20th.", "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 102 of 102 minutes on the 19th and 0 of 102 on the 20th.", "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 11919 s" }, { "step": "ruling", "text": "Ratha Saptamī, Cairo, 2002: Tuesday 19 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-19", "confidence": "determinate" } ], "quote": "In Cairo, Ratha Saptamī 2002 falls on Tuesday 19 February. Saptamī runs from 23:58 on Mon 18 Feb to 01:30 on Wed 20 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-02-23", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17343, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-02-23T01:38:53+02:00", "utc": "2002-02-22T23:38:53Z", "ms": 1014421133273.4799 }, "end": { "local": "2002-02-24T00:01:28+02:00", "utc": "2002-02-23T22:01:28Z", "ms": 1014501688179.1492 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-23T01:38:53+02:00", "utc": "2002-02-22T23:38:53Z", "ms": 1014421133273.4799 }, "end": { "local": "2002-02-24T00:01:28+02:00", "utc": "2002-02-23T22:01:28Z", "ms": 1014501688179.1492 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-02-23", "window": { "start": { "local": "2002-02-23T06:27:57+02:00", "utc": "2002-02-23T04:27:57Z", "ms": 1014438476557.9406 }, "end": { "local": "2002-02-23T06:27:57+02:00", "utc": "2002-02-23T04:27:57Z", "ms": 1014438476557.9406 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-02-24", "window": { "start": { "local": "2002-02-24T06:26:56+02:00", "utc": "2002-02-24T04:26:56Z", "ms": 1014524815584.8771 }, "end": { "local": "2002-02-24T06:26:56+02:00", "utc": "2002-02-24T04:26:56Z", "ms": 1014524815584.8771 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:39 on Sat 23 Feb to 00:01 on Sun 24 Feb.", "fact": "2002-02-22T23:38:53Z → 2002-02-23T22:01:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:28 on the 23rd and 06:27 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 17343 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Cairo, 2002: Saturday 23 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": "2002-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-23", "confidence": "determinate" } ], "quote": "In Cairo, Jayā Ekādaśī 2002 falls on Saturday 23 February. Ekādaśī runs from 01:39 on Sat 23 Feb to 00:01 on Sun 24 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32741, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-02-24T00:01:28+02:00", "utc": "2002-02-23T22:01:28Z", "ms": 1014501688179.1492 }, "end": { "local": "2002-02-24T21:38:08+02:00", "utc": "2002-02-24T19:38:08Z", "ms": 1014579487877.1359 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-24T00:01:28+02:00", "utc": "2002-02-23T22:01:28Z", "ms": 1014501688179.1492 }, "end": { "local": "2002-02-24T21:38:08+02:00", "utc": "2002-02-24T19:38:08Z", "ms": 1014579487877.1359 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-02-23", "window": { "start": { "local": "2002-02-23T11:44:36+02:00", "utc": "2002-02-23T09:44:36Z", "ms": 1014457475522.5754 }, "end": { "local": "2002-02-23T12:32:36+02:00", "utc": "2002-02-23T10:32:36Z", "ms": 1014460355522.5754 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-24", "window": { "start": { "local": "2002-02-24T11:44:27+02:00", "utc": "2002-02-24T09:44:27Z", "ms": 1014543866962.5208 }, "end": { "local": "2002-02-24T12:32:27+02:00", "utc": "2002-02-24T10:32:27Z", "ms": 1014546746962.5208 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:01 on Sun 24 Feb to 21:38 on Sun 24 Feb.", "fact": "2002-02-23T22:01:28Z → 2002-02-24T19:38:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 23rd, 11:44–12:32 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32741 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Cairo, 2002: Sunday 24 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-24", "confidence": "determinate" } ], "quote": "In Cairo, Bhīṣma Dvādaśī 2002 falls on Sunday 24 February. Dvādaśī runs from 00:01 on Sun 24 Feb to 21:38 on Sun 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-02-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2736, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-02-24T21:38:08+02:00", "utc": "2002-02-24T19:38:08Z", "ms": 1014579487877.1359 }, "end": { "local": "2002-02-25T18:36:18+02:00", "utc": "2002-02-25T16:36:18Z", "ms": 1014654977512.1239 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-24T21:38:08+02:00", "utc": "2002-02-24T19:38:08Z", "ms": 1014579487877.1359 }, "end": { "local": "2002-02-25T18:36:18+02:00", "utc": "2002-02-25T16:36:18Z", "ms": 1014654977512.1239 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-02-24", "window": { "start": { "local": "2002-02-24T17:49:58+02:00", "utc": "2002-02-24T15:49:58Z", "ms": 1014565798340.1644 }, "end": { "local": "2002-02-24T19:30:46+02:00", "utc": "2002-02-24T17:30:46Z", "ms": 1014571845732.894 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2002-02-25", "window": { "start": { "local": "2002-02-25T17:50:42+02:00", "utc": "2002-02-25T15:50:42Z", "ms": 1014652241801.0585 }, "end": { "local": "2002-02-25T19:31:15+02:00", "utc": "2002-02-25T17:31:15Z", "ms": 1014658275053.2828 } }, "covered_min": 46, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:38 on Sun 24 Feb to 18:36 on Mon 25 Feb.", "fact": "2002-02-24T19:38:08Z → 2002-02-25T16:36:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:31 on the 24th, 17:51–19:31 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 101 minutes on the 24th and 46 of 101 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 2736 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Monday 25 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": "2002-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-25", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Monday 25 February. Trayodaśī runs from 21:38 on Sun 24 Feb to 18:36 on Mon 25 Feb and covers 46 of 101 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1637, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-02-26T15:05:30+02:00", "utc": "2002-02-26T13:05:30Z", "ms": 1014728730335.1571 }, "end": { "local": "2002-02-27T11:16:41+02:00", "utc": "2002-02-27T09:16:41Z", "ms": 1014801400662.4114 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2002-02-26T15:05:30+02:00", "utc": "2002-02-26T13:05:30Z", "ms": 1014728730335.1571 }, "end": { "local": "2002-02-27T11:16:41+02:00", "utc": "2002-02-27T09:16:41Z", "ms": 1014801400662.4114 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-02-26", "window": { "start": { "local": "2002-02-26T11:44:08+02:00", "utc": "2002-02-26T09:44:08Z", "ms": 1014716648035.7573 }, "end": { "local": "2002-02-26T12:32:08+02:00", "utc": "2002-02-26T10:32:08Z", "ms": 1014719528035.7573 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-02-27", "window": { "start": { "local": "2002-02-27T11:43:58+02:00", "utc": "2002-02-27T09:43:58Z", "ms": 1014803037711.739 }, "end": { "local": "2002-02-27T12:31:58+02:00", "utc": "2002-02-27T10:31:58Z", "ms": 1014805917711.739 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:06 on Tue 26 Feb to 11:17 on Wed 27 Feb.", "fact": "2002-02-26T13:05:30Z → 2002-02-27T09:16:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 26th, 11:44–12:32 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1637 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Cairo, 2002: Wednesday 27 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": "2002-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-02-27", "confidence": "determinate" } ], "quote": "In Cairo, Māghī Pūrṇimā 2002 falls on Wednesday 27 February. Pūrṇimā runs from 15:06 on Tue 26 Feb to 11:17 on Wed 27 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-03-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2431, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-03-01T23:58:16+02:00", "utc": "2002-03-01T21:58:16Z", "ms": 1015019896437.5178 }, "end": { "local": "2002-03-02T20:52:21+02:00", "utc": "2002-03-02T18:52:21Z", "ms": 1015095140777.4783 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-01T23:58:16+02:00", "utc": "2002-03-01T21:58:16Z", "ms": 1015019896437.5178 }, "end": { "local": "2002-03-02T20:52:21+02:00", "utc": "2002-03-02T18:52:21Z", "ms": 1015095140777.4783 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-03-01", "window": { "start": { "local": "2002-03-01T20:25:35+02:00", "utc": "2002-03-01T18:25:35Z", "ms": 1015007135277.9397 }, "end": { "local": "2002-03-01T20:25:35+02:00", "utc": "2002-03-01T18:25:35Z", "ms": 1015007135277.9397 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-03-02", "window": { "start": { "local": "2002-03-02T21:32:52+02:00", "utc": "2002-03-02T19:32:52Z", "ms": 1015097571646.2883 }, "end": { "local": "2002-03-02T21:32:52+02:00", "utc": "2002-03-02T19:32:52Z", "ms": 1015097571646.2883 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:58 on Fri 1 Mar to 20:52 on Sat 2 Mar.", "fact": "2002-03-01T21:58:16Z → 2002-03-02T18:52:21Z" }, { "step": "kaala", "text": "Moonrise is at 20:26 on the 1st and 21:33 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not 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": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2431 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Friday 1 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-03-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-01", "confidence": "boundary" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Friday 1 March. Caturthī runs from 23:58 on Fri 1 Mar to 20:52 on Sat 2 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-03-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-03-09", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39155, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-03-08T17:06:24+02:00", "utc": "2002-03-08T15:06:24Z", "ms": 1015599984087.1608 }, "end": { "local": "2002-03-09T18:47:04+02:00", "utc": "2002-03-09T16:47:04Z", "ms": 1015692423669.2917 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-08T17:06:24+02:00", "utc": "2002-03-08T15:06:24Z", "ms": 1015599984087.1608 }, "end": { "local": "2002-03-09T18:47:04+02:00", "utc": "2002-03-09T16:47:04Z", "ms": 1015692423669.2917 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-03-08", "window": { "start": { "local": "2002-03-08T06:13:49+02:00", "utc": "2002-03-08T04:13:49Z", "ms": 1015560828726.6758 }, "end": { "local": "2002-03-08T06:13:49+02:00", "utc": "2002-03-08T04:13:49Z", "ms": 1015560828726.6758 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-03-09", "window": { "start": { "local": "2002-03-09T06:12:39+02:00", "utc": "2002-03-09T04:12:39Z", "ms": 1015647159498.2811 }, "end": { "local": "2002-03-09T06:12:39+02:00", "utc": "2002-03-09T04:12:39Z", "ms": 1015647159498.2811 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:06 on Fri 8 Mar to 18:47 on Sat 9 Mar.", "fact": "2002-03-08T15:06:24Z → 2002-03-09T16:47:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 8th and 06:13 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is 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 39155 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Cairo, 2002: Saturday 9 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": "2002-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-09", "confidence": "determinate" } ], "quote": "In Cairo, Vijayā Ekādaśī 2002 falls on Saturday 9 March. Ekādaśī runs from 17:06 on Fri 8 Mar to 18:47 on Sat 9 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-disputed" ], "boundary_margin_s": 2008, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-03-11T23:07:14+02:00", "utc": "2002-03-11T21:07:14Z", "ms": 1015880834050.8057 }, "end": { "local": "2002-03-13T01:33:02+02:00", "utc": "2002-03-12T23:33:02Z", "ms": 1015975982462.8917 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-11T23:07:14+02:00", "utc": "2002-03-11T21:07:14Z", "ms": 1015880834050.8057 }, "end": { "local": "2002-03-13T01:33:02+02:00", "utc": "2002-03-12T23:33:02Z", "ms": 1015975982462.8917 } }, "kaala": "nishita", "days": [ { "local_date": "2002-03-11", "window": { "start": { "local": "2002-03-11T23:40:42+02:00", "utc": "2002-03-11T21:40:42Z", "ms": 1015882842339.353 }, "end": { "local": "2002-03-12T00:28:42+02:00", "utc": "2002-03-11T22:28:42Z", "ms": 1015885722339.353 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-03-12", "window": { "start": { "local": "2002-03-12T23:40:26+02:00", "utc": "2002-03-12T21:40:26Z", "ms": 1015969226384.0417 }, "end": { "local": "2002-03-13T00:28:26+02:00", "utc": "2002-03-12T22:28:26Z", "ms": 1015972106384.0417 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:07 on Mon 11 Mar to 01:33 on Wed 13 Mar.", "fact": "2002-03-11T21:07:14Z → 2002-03-12T23:33:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 11th, 23:40–00:28 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 48 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both nights qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.", "fact": "priority: disputed → greater-coverage · margin 2008 s" }, { "step": "ruling", "text": "Mahāśivarātri, Cairo, 2002: Monday 11 March.", "fact": "confidence: boundary (tie-break-disputed)" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-03-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-11", "confidence": "boundary" } ], "quote": "In Cairo, Mahāśivarātri 2002 falls on Monday 11 March. Caturdaśī runs from 23:07 on Mon 11 Mar to 01:33 on Wed 13 Mar and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-03-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4369, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-03-10T20:49:51+02:00", "utc": "2002-03-10T18:49:51Z", "ms": 1015786191391.0146 }, "end": { "local": "2002-03-11T23:07:14+02:00", "utc": "2002-03-11T21:07:14Z", "ms": 1015880834050.8057 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-10T20:49:51+02:00", "utc": "2002-03-10T18:49:51Z", "ms": 1015786191391.0146 }, "end": { "local": "2002-03-11T23:07:14+02:00", "utc": "2002-03-11T21:07:14Z", "ms": 1015880834050.8057 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-03-10", "window": { "start": { "local": "2002-03-10T17:59:36+02:00", "utc": "2002-03-10T15:59:36Z", "ms": 1015775976216.4673 }, "end": { "local": "2002-03-10T19:37:02+02:00", "utc": "2002-03-10T17:37:02Z", "ms": 1015781822025.0881 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2002-03-11", "window": { "start": { "local": "2002-03-11T18:00:15+02:00", "utc": "2002-03-11T16:00:15Z", "ms": 1015862415332.4243 }, "end": { "local": "2002-03-11T19:37:27+02:00", "utc": "2002-03-11T17:37:27Z", "ms": 1015868246534.272 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:50 on Sun 10 Mar to 23:07 on Mon 11 Mar.", "fact": "2002-03-10T18:49:51Z → 2002-03-11T21:07:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:37 on the 10th, 18:00–19:37 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 10th and 97 of 97 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4369 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Monday 11 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": "2002-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-11", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Monday 11 March. Trayodaśī runs from 20:50 on Sun 10 Mar to 23:07 on Mon 11 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-03-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1590, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-03-17T11:13:08+02:00", "utc": "2002-03-17T09:13:08Z", "ms": 1016356388496.5383 }, "end": { "local": "2002-03-18T13:14:18+02:00", "utc": "2002-03-18T11:14:18Z", "ms": 1016450057898.6671 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-17T11:13:08+02:00", "utc": "2002-03-17T09:13:08Z", "ms": 1016356388496.5383 }, "end": { "local": "2002-03-18T13:14:18+02:00", "utc": "2002-03-18T11:14:18Z", "ms": 1016450057898.6671 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-03-17", "window": { "start": { "local": "2002-03-17T11:39:39+02:00", "utc": "2002-03-17T09:39:39Z", "ms": 1016357978840.4851 }, "end": { "local": "2002-03-17T12:27:39+02:00", "utc": "2002-03-17T10:27:39Z", "ms": 1016360858840.4851 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-03-18", "window": { "start": { "local": "2002-03-18T11:39:22+02:00", "utc": "2002-03-18T09:39:22Z", "ms": 1016444361569.613 }, "end": { "local": "2002-03-18T12:27:22+02:00", "utc": "2002-03-18T10:27:22Z", "ms": 1016447241569.613 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:13 on Sun 17 Mar to 13:14 on Mon 18 Mar.", "fact": "2002-03-17T09:13:08Z → 2002-03-18T11:14:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 17th, 11:39–12:27 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1590 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Sunday 17 March.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-03-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-18", "confidence": "boundary" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Sunday 17 March. Caturthī runs from 11:13 on Sun 17 Mar to 13:14 on Mon 18 Mar 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/cairo/festivals/2002/vinayaka-chaturthi?on=2002-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-03-25", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17935, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-03-24T13:23:55+02:00", "utc": "2002-03-24T11:23:55Z", "ms": 1016969034710.9006 }, "end": { "local": "2002-03-25T10:52:26+02:00", "utc": "2002-03-25T08:52:26Z", "ms": 1017046346426.9742 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-24T13:23:55+02:00", "utc": "2002-03-24T11:23:55Z", "ms": 1016969034710.9006 }, "end": { "local": "2002-03-25T10:52:26+02:00", "utc": "2002-03-25T08:52:26Z", "ms": 1017046346426.9742 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-03-24", "window": { "start": { "local": "2002-03-24T05:54:44+02:00", "utc": "2002-03-24T03:54:44Z", "ms": 1016942084483.0527 }, "end": { "local": "2002-03-24T05:54:44+02:00", "utc": "2002-03-24T03:54:44Z", "ms": 1016942084483.0527 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-03-25", "window": { "start": { "local": "2002-03-25T05:53:32+02:00", "utc": "2002-03-25T03:53:32Z", "ms": 1017028411595.4519 }, "end": { "local": "2002-03-25T05:53:32+02:00", "utc": "2002-03-25T03:53:32Z", "ms": 1017028411595.4519 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:24 on Sun 24 Mar to 10:52 on Mon 25 Mar.", "fact": "2002-03-24T11:23:55Z → 2002-03-25T08:52:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 24th and 05:54 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17935 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Cairo, 2002: Monday 25 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": "2002-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-25", "confidence": "determinate" } ], "quote": "In Cairo, Āmalakī Ekādaśī 2002 falls on Monday 25 March. Ekādaśī runs from 13:24 on Sun 24 Mar to 10:52 on Mon 25 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-03-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30470, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-03-26T07:45:08+02:00", "utc": "2002-03-26T05:45:08Z", "ms": 1017121508028.025 }, "end": { "local": "2002-03-27T04:10:59+02:00", "utc": "2002-03-27T02:10:59Z", "ms": 1017195059361.3654 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-26T07:45:08+02:00", "utc": "2002-03-26T05:45:08Z", "ms": 1017121508028.025 }, "end": { "local": "2002-03-27T04:10:59+02:00", "utc": "2002-03-27T02:10:59Z", "ms": 1017195059361.3654 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-03-25", "window": { "start": { "local": "2002-03-25T18:09:01+02:00", "utc": "2002-03-25T16:09:01Z", "ms": 1017072541441.7318 }, "end": { "local": "2002-03-25T19:42:48+02:00", "utc": "2002-03-25T17:42:48Z", "ms": 1017078167744.9214 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2002-03-26", "window": { "start": { "local": "2002-03-26T18:09:38+02:00", "utc": "2002-03-26T16:09:38Z", "ms": 1017158977886.7386 }, "end": { "local": "2002-03-26T19:43:10+02:00", "utc": "2002-03-26T17:43:10Z", "ms": 1017164589618.4244 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:45 on Tue 26 Mar to 04:11 on Wed 27 Mar.", "fact": "2002-03-26T05:45:08Z → 2002-03-27T02:10:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:43 on the 25th, 18:10–19:43 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 94 minutes on the 25th and 94 of 94 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 30470 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Tuesday 26 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": "2002-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-26", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Tuesday 26 March. Trayodaśī runs from 07:45 on Tue 26 Mar to 04:11 on Wed 27 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8043, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-03-28T00:20:28+02:00", "utc": "2002-03-27T22:20:28Z", "ms": 1017267628239.166 }, "end": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-28T00:20:28+02:00", "utc": "2002-03-27T22:20:28Z", "ms": 1017267628239.166 }, "end": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 } }, "kaala": "sayahna", "days": [ { "local_date": "2002-03-27", "window": { "start": { "local": "2002-03-27T15:42:25+02:00", "utc": "2002-03-27T13:42:25Z", "ms": 1017236544574.8376 }, "end": { "local": "2002-03-27T18:10:14+02:00", "utc": "2002-03-27T16:10:14Z", "ms": 1017245414249.9515 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "2002-03-28", "window": { "start": { "local": "2002-03-28T15:42:39+02:00", "utc": "2002-03-28T13:42:39Z", "ms": 1017322959060.1604 }, "end": { "local": "2002-03-28T18:10:51+02:00", "utc": "2002-03-28T16:10:51Z", "ms": 1017331850549.5164 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:20 on Thu 28 Mar to 20:25 on Thu 28 Mar.", "fact": "2002-03-27T22:20:28Z → 2002-03-28T18:24:53Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:42–18:10 on the 27th, 15:43–18:11 on the 28th.", "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 148 minutes on the 27th and 148 of 148 on the 28th.", "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 8043 s" }, { "step": "ruling", "text": "Holikā Dahana, Cairo, 2002: Thursday 28 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": "2002-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-28", "confidence": "determinate" } ], "quote": "In Cairo, Holikā Dahana 2002 falls on Thursday 28 March. Pūrṇimā runs from 00:20 on Thu 28 Mar to 20:25 on Thu 28 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8043, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-03-28T00:20:28+02:00", "utc": "2002-03-27T22:20:28Z", "ms": 1017267628239.166 }, "end": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2002-03-28T00:20:28+02:00", "utc": "2002-03-27T22:20:28Z", "ms": 1017267628239.166 }, "end": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 } }, "kaala": "sayahna", "days": [ { "local_date": "2002-03-27", "window": { "start": { "local": "2002-03-27T15:42:25+02:00", "utc": "2002-03-27T13:42:25Z", "ms": 1017236544574.8376 }, "end": { "local": "2002-03-27T18:10:14+02:00", "utc": "2002-03-27T16:10:14Z", "ms": 1017245414249.9515 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "2002-03-28", "window": { "start": { "local": "2002-03-28T15:42:39+02:00", "utc": "2002-03-28T13:42:39Z", "ms": 1017322959060.1604 }, "end": { "local": "2002-03-28T18:10:51+02:00", "utc": "2002-03-28T16:10:51Z", "ms": 1017331850549.5164 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2002-03-28", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:20 on Thu 28 Mar to 20:25 on Thu 28 Mar.", "fact": "2002-03-27T22:20:28Z → 2002-03-28T18:24:53Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:42–18:10 on the 27th, 15:43–18:11 on the 28th.", "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 148 minutes on the 27th and 148 of 148 on the 28th.", "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 8043 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 28 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Cairo, 2002: Friday 29 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": "2002-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-29", "confidence": "determinate" } ], "quote": "In Cairo, Holī 2002 falls on Friday 29 March. It is kept the day after Holikā Dahana, which falls on Thursday 28 March. Pūrṇimā runs from 00:20 on Thu 28 Mar to 20:25 on Thu 28 Mar and covers all of sāyāhna on the 28th.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33827, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 }, "end": { "local": "2002-03-29T16:35:51+02:00", "utc": "2002-03-29T14:35:51Z", "ms": 1017412551280.1804 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-03-28T20:24:53+02:00", "utc": "2002-03-28T18:24:53Z", "ms": 1017339893153.3525 }, "end": { "local": "2002-03-29T16:35:51+02:00", "utc": "2002-03-29T14:35:51Z", "ms": 1017412551280.1804 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-03-29", "window": { "start": { "local": "2002-03-29T05:48:40+02:00", "utc": "2002-03-29T03:48:40Z", "ms": 1017373720431.932 }, "end": { "local": "2002-03-29T05:48:40+02:00", "utc": "2002-03-29T03:48:40Z", "ms": 1017373720431.932 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-03-30", "window": { "start": { "local": "2002-03-30T05:47:28+02:00", "utc": "2002-03-30T03:47:28Z", "ms": 1017460047893.0443 }, "end": { "local": "2002-03-30T05:47:28+02:00", "utc": "2002-03-30T03:47:28Z", "ms": 1017460047893.0443 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:25 on Thu 28 Mar to 16:36 on Fri 29 Mar.", "fact": "2002-03-28T18:24:53Z → 2002-03-29T14:35:51Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 29th and 05:47 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33827 s" }, { "step": "ruling", "text": "Vasantotsava, Cairo, 2002: Friday 29 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": "2002-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-29", "confidence": "determinate" } ], "quote": "In Cairo, Vasantotsava 2002 falls on Friday 29 March. Pratipadā runs from 20:25 on Thu 28 Mar to 16:36 on Fri 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-03-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36703, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-03-31T10:02:28+02:00", "utc": "2002-03-31T08:02:28Z", "ms": 1017561747995.3331 }, "end": { "local": "2002-04-01T07:38:11+02:00", "utc": "2002-04-01T05:38:11Z", "ms": 1017639490558.5986 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-03-31T10:02:28+02:00", "utc": "2002-03-31T08:02:28Z", "ms": 1017561747995.3331 }, "end": { "local": "2002-04-01T07:38:11+02:00", "utc": "2002-04-01T05:38:11Z", "ms": 1017639490558.5986 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-03-30", "window": { "start": { "local": "2002-03-30T20:18:24+02:00", "utc": "2002-03-30T18:18:24Z", "ms": 1017512303871.4077 }, "end": { "local": "2002-03-30T20:18:24+02:00", "utc": "2002-03-30T18:18:24Z", "ms": 1017512303871.4077 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-03-31", "window": { "start": { "local": "2002-03-31T21:26:28+02:00", "utc": "2002-03-31T19:26:28Z", "ms": 1017602788029.6685 }, "end": { "local": "2002-03-31T21:26:28+02:00", "utc": "2002-03-31T19:26:28Z", "ms": 1017602788029.6685 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:02 on Sun 31 Mar to 07:38 on Mon 1 Apr.", "fact": "2002-03-31T08:02:28Z → 2002-04-01T05:38:11Z" }, { "step": "kaala", "text": "Moonrise is at 20:18 on the 30th and 21:26 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "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 36703 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Sunday 31 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": "2002-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-03-31", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Sunday 31 March. Caturthī runs from 10:02 on Sun 31 Mar to 07:38 on Mon 1 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20131, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-04-04T05:10:37+02:00", "utc": "2002-04-04T03:10:37Z", "ms": 1017889837225.4512 }, "end": { "local": "2002-04-05T05:58:28+02:00", "utc": "2002-04-05T03:58:28Z", "ms": 1017979107801.2297 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-04T05:10:37+02:00", "utc": "2002-04-04T03:10:37Z", "ms": 1017889837225.4512 }, "end": { "local": "2002-04-05T05:58:28+02:00", "utc": "2002-04-05T03:58:28Z", "ms": 1017979107801.2297 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-04", "window": { "start": { "local": "2002-04-04T11:34:16+02:00", "utc": "2002-04-04T09:34:16Z", "ms": 1017912856280.4153 }, "end": { "local": "2002-04-04T12:22:16+02:00", "utc": "2002-04-04T10:22:16Z", "ms": 1017915736280.4153 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-05", "window": { "start": { "local": "2002-04-05T11:33:59+02:00", "utc": "2002-04-05T09:33:59Z", "ms": 1017999238906.4165 }, "end": { "local": "2002-04-05T12:21:59+02:00", "utc": "2002-04-05T10:21:59Z", "ms": 1018002118906.4165 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:11 on Thu 4 Apr to 05:58 on Fri 5 Apr.", "fact": "2002-04-04T03:10:37Z → 2002-04-05T03:58:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 4th, 11:34–12:22 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20131 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Cairo, 2002: Thursday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-04", "confidence": "determinate" } ], "quote": "In Cairo, Śītalāṣṭamī 2002 falls on Thursday 4 April. Aṣṭamī runs from 05:11 on Thu 4 Apr to 05:58 on Fri 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-04-08", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13619, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-04-07T09:24:55+02:00", "utc": "2002-04-07T07:24:55Z", "ms": 1018164294614.2477 }, "end": { "local": "2002-04-08T11:43:26+02:00", "utc": "2002-04-08T09:43:26Z", "ms": 1018259005963.3265 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-07T09:24:55+02:00", "utc": "2002-04-07T07:24:55Z", "ms": 1018164294614.2477 }, "end": { "local": "2002-04-08T11:43:26+02:00", "utc": "2002-04-08T09:43:26Z", "ms": 1018259005963.3265 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-04-07", "window": { "start": { "local": "2002-04-07T05:37:56+02:00", "utc": "2002-04-07T03:37:56Z", "ms": 1018150675888.1057 }, "end": { "local": "2002-04-07T05:37:56+02:00", "utc": "2002-04-07T03:37:56Z", "ms": 1018150675888.1057 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-04-08", "window": { "start": { "local": "2002-04-08T05:36:46+02:00", "utc": "2002-04-08T03:36:46Z", "ms": 1018237005845.1821 }, "end": { "local": "2002-04-08T05:36:46+02:00", "utc": "2002-04-08T03:36:46Z", "ms": 1018237005845.1821 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:25 on Sun 7 Apr to 11:43 on Mon 8 Apr.", "fact": "2002-04-07T07:24:55Z → 2002-04-08T09:43:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 7th and 05:37 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 13619 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Cairo, 2002: Monday 8 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": "2002-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-08", "confidence": "determinate" } ], "quote": "In Cairo, Pāpamocanī Ekādaśī 2002 falls on Monday 8 April. Ekādaśī runs from 09:25 on Sun 7 Apr to 11:43 on Mon 8 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-04-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5825, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-04-09T14:11:51+02:00", "utc": "2002-04-09T12:11:51Z", "ms": 1018354311056.1125 }, "end": { "local": "2002-04-10T16:41:39+02:00", "utc": "2002-04-10T14:41:39Z", "ms": 1018449698700.7246 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-09T14:11:51+02:00", "utc": "2002-04-09T12:11:51Z", "ms": 1018354311056.1125 }, "end": { "local": "2002-04-10T16:41:39+02:00", "utc": "2002-04-10T14:41:39Z", "ms": 1018449698700.7246 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-04-09", "window": { "start": { "local": "2002-04-09T18:18:07+02:00", "utc": "2002-04-09T16:18:07Z", "ms": 1018369086882.2996 }, "end": { "local": "2002-04-09T19:48:18+02:00", "utc": "2002-04-09T17:48:18Z", "ms": 1018374497567.5696 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2002-04-10", "window": { "start": { "local": "2002-04-10T18:18:44+02:00", "utc": "2002-04-10T16:18:44Z", "ms": 1018455523624.6067 }, "end": { "local": "2002-04-10T19:48:40+02:00", "utc": "2002-04-10T17:48:40Z", "ms": 1018460920246.9309 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:12 on Tue 9 Apr to 16:42 on Wed 10 Apr.", "fact": "2002-04-09T12:11:51Z → 2002-04-10T14:41:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:48 on the 9th, 18:19–19:49 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 90 of 90 minutes on the 9th and 0 of 90 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5825 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Tuesday 9 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": "2002-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-09", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Tuesday 9 April. Trayodaśī runs from 14:12 on Tue 9 Apr to 16:42 on Wed 10 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-04-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-04-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15926, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-04-10T16:41:39+02:00", "utc": "2002-04-10T14:41:39Z", "ms": 1018449698700.7246 }, "end": { "local": "2002-04-11T19:06:19+02:00", "utc": "2002-04-11T17:06:19Z", "ms": 1018544778789.5664 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-10T16:41:39+02:00", "utc": "2002-04-10T14:41:39Z", "ms": 1018449698700.7246 }, "end": { "local": "2002-04-11T19:06:19+02:00", "utc": "2002-04-11T17:06:19Z", "ms": 1018544778789.5664 } }, "kaala": "nishita", "days": [ { "local_date": "2002-04-10", "window": { "start": { "local": "2002-04-10T23:32:01+02:00", "utc": "2002-04-10T21:32:01Z", "ms": 1018474320958.3226 }, "end": { "local": "2002-04-11T00:20:01+02:00", "utc": "2002-04-10T22:20:01Z", "ms": 1018477200958.3226 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-11", "window": { "start": { "local": "2002-04-11T23:31:45+02:00", "utc": "2002-04-11T21:31:45Z", "ms": 1018560705252.6405 }, "end": { "local": "2002-04-12T00:19:45+02:00", "utc": "2002-04-11T22:19:45Z", "ms": 1018563585252.6405 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:42 on Wed 10 Apr to 19:06 on Thu 11 Apr.", "fact": "2002-04-10T14:41:39Z → 2002-04-11T17:06:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 10th, 23:32–00:20 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 15926 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Wednesday 10 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": "2002-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-10", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Wednesday 10 April. Caturdaśī runs from 16:42 on Wed 10 Apr to 19:06 on Thu 11 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11496, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2002-04-14T02:18:19+02:00", "utc": "2002-04-14T00:18:19Z", "ms": 1018743499242.1012 }, "end": { "local": "2002-05-15T00:10:02+03:00", "utc": "2002-05-14T21:10:02Z", "ms": 1021410602153.1077 } }, "span": { "of": "transit", "start": { "local": "2002-04-14T02:18:19+02:00", "utc": "2002-04-14T00:18:19Z", "ms": 1018743499242.1012 }, "end": { "local": "2002-04-14T02:18:19+02:00", "utc": "2002-04-14T00:18:19Z", "ms": 1018743499242.1012 } }, "kaala": "day", "days": [ { "local_date": "2002-04-13", "window": { "start": { "local": "2002-04-13T05:31:02+02:00", "utc": "2002-04-13T03:31:02Z", "ms": 1018668662320.8259 }, "end": { "local": "2002-04-14T05:29:55+02:00", "utc": "2002-04-14T03:29:55Z", "ms": 1018754995128.5482 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2002-04-14", "window": { "start": { "local": "2002-04-14T05:29:55+02:00", "utc": "2002-04-14T03:29:55Z", "ms": 1018754995128.5482 }, "end": { "local": "2002-04-15T05:28:48+02:00", "utc": "2002-04-15T03:28:48Z", "ms": 1018841328497.6573 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 02:18 on Sun 14 Apr.", "fact": "2002-04-14T00:18:19Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:31 on the 13th, and from 05:30 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 11496 s" }, { "step": "ruling", "text": "Vaiśākhī, Cairo, 2002: Saturday 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": "2002-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2002-04-14", "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": "2002-04-14", "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 Cairo, Vaiśākhī 2002 falls on Saturday 13 April. The Sun enters Meṣa at 02:18 on Sun 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/cairo/festivals/2002/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": "/cairo/festivals/2002/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32465, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-04-12T21:21:08+02:00", "utc": "2002-04-12T19:21:08Z", "ms": 1018639268291.2598 }, "end": { "local": "2002-04-13T23:22:31+02:00", "utc": "2002-04-13T21:22:31Z", "ms": 1018732951489.533 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-12T21:21:08+02:00", "utc": "2002-04-12T19:21:08Z", "ms": 1018639268291.2598 }, "end": { "local": "2002-04-13T23:22:31+02:00", "utc": "2002-04-13T21:22:31Z", "ms": 1018732951489.533 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-12", "window": { "start": { "local": "2002-04-12T11:32:04+02:00", "utc": "2002-04-12T09:32:04Z", "ms": 1018603923713.5544 }, "end": { "local": "2002-04-12T12:20:04+02:00", "utc": "2002-04-12T10:20:04Z", "ms": 1018606803713.5544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-04-13", "window": { "start": { "local": "2002-04-13T11:31:48+02:00", "utc": "2002-04-13T09:31:48Z", "ms": 1018690308356.6057 }, "end": { "local": "2002-04-13T12:19:48+02:00", "utc": "2002-04-13T10:19:48Z", "ms": 1018693188356.6057 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:21 on Fri 12 Apr to 23:23 on Sat 13 Apr.", "fact": "2002-04-12T19:21:08Z → 2002-04-13T21:22:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 12th, 11:32–12:20 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 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32465 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Cairo, 2002: Saturday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-13", "confidence": "determinate" } ], "quote": "In Cairo, Navarātrārambha (Caitra) (Chaitra Navratri) 2002 falls on Saturday 13 April. Pratipadā runs from 21:21 on Fri 12 Apr to 23:23 on Sat 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32366, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-04-15T01:07:13+02:00", "utc": "2002-04-14T23:07:13Z", "ms": 1018825632714.7374 }, "end": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-15T01:07:13+02:00", "utc": "2002-04-14T23:07:13Z", "ms": 1018825632714.7374 }, "end": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-15", "window": { "start": { "local": "2002-04-15T11:31:19+02:00", "utc": "2002-04-15T09:31:19Z", "ms": 1018863078603.5518 }, "end": { "local": "2002-04-15T12:19:19+02:00", "utc": "2002-04-15T10:19:19Z", "ms": 1018865958603.5518 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-16", "window": { "start": { "local": "2002-04-16T11:31:04+02:00", "utc": "2002-04-16T09:31:04Z", "ms": 1018949464232.2432 }, "end": { "local": "2002-04-16T12:19:04+02:00", "utc": "2002-04-16T10:19:04Z", "ms": 1018952344232.2432 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:07 on Mon 15 Apr to 02:32 on Tue 16 Apr.", "fact": "2002-04-14T23:07:13Z → 2002-04-16T00:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 15th, 11:31–12:19 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32366 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Cairo, 2002: Monday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-15", "confidence": "determinate" } ], "quote": "In Cairo, Gaurī Tṛtīyā (Gangaur) 2002 falls on Monday 15 April. Tṛtīyā runs from 01:07 on Mon 15 Apr to 02:32 on Tue 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32366, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-04-15T01:07:13+02:00", "utc": "2002-04-14T23:07:13Z", "ms": 1018825632714.7374 }, "end": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-15T01:07:13+02:00", "utc": "2002-04-14T23:07:13Z", "ms": 1018825632714.7374 }, "end": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-15", "window": { "start": { "local": "2002-04-15T11:31:19+02:00", "utc": "2002-04-15T09:31:19Z", "ms": 1018863078603.5518 }, "end": { "local": "2002-04-15T12:19:19+02:00", "utc": "2002-04-15T10:19:19Z", "ms": 1018865958603.5518 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-16", "window": { "start": { "local": "2002-04-16T11:31:04+02:00", "utc": "2002-04-16T09:31:04Z", "ms": 1018949464232.2432 }, "end": { "local": "2002-04-16T12:19:04+02:00", "utc": "2002-04-16T10:19:04Z", "ms": 1018952344232.2432 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:07 on Mon 15 Apr to 02:32 on Tue 16 Apr.", "fact": "2002-04-14T23:07:13Z → 2002-04-16T00:31:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 15th, 11:31–12:19 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32366 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Cairo, 2002: Monday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-15", "confidence": "determinate" } ], "quote": "In Cairo, Saubhāgya Śayana Vrata 2002 falls on Monday 15 April. Tṛtīyā runs from 01:07 on Mon 15 Apr to 02:32 on Tue 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-04-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28750, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 }, "end": { "local": "2002-04-17T03:31:40+02:00", "utc": "2002-04-17T01:31:40Z", "ms": 1019007100490.7899 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-16T02:31:38+02:00", "utc": "2002-04-16T00:31:38Z", "ms": 1018917098366.025 }, "end": { "local": "2002-04-17T03:31:40+02:00", "utc": "2002-04-17T01:31:40Z", "ms": 1019007100490.7899 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-16", "window": { "start": { "local": "2002-04-16T11:31:04+02:00", "utc": "2002-04-16T09:31:04Z", "ms": 1018949464232.2432 }, "end": { "local": "2002-04-16T12:19:04+02:00", "utc": "2002-04-16T10:19:04Z", "ms": 1018952344232.2432 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-17", "window": { "start": { "local": "2002-04-17T11:30:50+02:00", "utc": "2002-04-17T09:30:50Z", "ms": 1019035850213.771 }, "end": { "local": "2002-04-17T12:18:50+02:00", "utc": "2002-04-17T10:18:50Z", "ms": 1019038730213.771 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:32 on Tue 16 Apr to 03:32 on Wed 17 Apr.", "fact": "2002-04-16T00:31:38Z → 2002-04-17T01:31:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 16th, 11:31–12:19 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28750 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Tuesday 16 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": "2002-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-16", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Tuesday 16 April. Caturthī runs from 02:32 on Tue 16 Apr to 03:32 on Wed 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26869, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-04-17T03:31:40+02:00", "utc": "2002-04-17T01:31:40Z", "ms": 1019007100490.7899 }, "end": { "local": "2002-04-18T04:02:48+02:00", "utc": "2002-04-18T02:02:48Z", "ms": 1019095367551.0714 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-17T03:31:40+02:00", "utc": "2002-04-17T01:31:40Z", "ms": 1019007100490.7899 }, "end": { "local": "2002-04-18T04:02:48+02:00", "utc": "2002-04-18T02:02:48Z", "ms": 1019095367551.0714 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-17", "window": { "start": { "local": "2002-04-17T11:30:50+02:00", "utc": "2002-04-17T09:30:50Z", "ms": 1019035850213.771 }, "end": { "local": "2002-04-17T12:18:50+02:00", "utc": "2002-04-17T10:18:50Z", "ms": 1019038730213.771 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-18", "window": { "start": { "local": "2002-04-18T11:30:37+02:00", "utc": "2002-04-18T09:30:37Z", "ms": 1019122236559.9302 }, "end": { "local": "2002-04-18T12:18:37+02:00", "utc": "2002-04-18T10:18:37Z", "ms": 1019125116559.9302 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:32 on Wed 17 Apr to 04:03 on Thu 18 Apr.", "fact": "2002-04-17T01:31:40Z → 2002-04-18T02:02:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 17th, 11:31–12:19 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26869 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Cairo, 2002: Wednesday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-17", "confidence": "determinate" } ], "quote": "In Cairo, Lakṣmī Pañcamī 2002 falls on Wednesday 17 April. Pañcamī runs from 03:32 on Wed 17 Apr to 04:03 on Thu 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29293, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-04-20T03:21:57+02:00", "utc": "2002-04-20T01:21:57Z", "ms": 1019265717273.885 }, "end": { "local": "2002-04-21T02:05:08+02:00", "utc": "2002-04-21T00:05:08Z", "ms": 1019347508162.7358 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-20T03:21:57+02:00", "utc": "2002-04-20T01:21:57Z", "ms": 1019265717273.885 }, "end": { "local": "2002-04-21T02:05:08+02:00", "utc": "2002-04-21T00:05:08Z", "ms": 1019347508162.7358 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-20", "window": { "start": { "local": "2002-04-20T11:30:10+02:00", "utc": "2002-04-20T09:30:10Z", "ms": 1019295010393.346 }, "end": { "local": "2002-04-20T12:18:10+02:00", "utc": "2002-04-20T10:18:10Z", "ms": 1019297890393.346 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-21", "window": { "start": { "local": "2002-04-21T11:29:58+02:00", "utc": "2002-04-21T09:29:58Z", "ms": 1019381397904.7142 }, "end": { "local": "2002-04-21T12:17:58+02:00", "utc": "2002-04-21T10:17:58Z", "ms": 1019384277904.7142 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:22 on Sat 20 Apr to 02:05 on Sun 21 Apr.", "fact": "2002-04-20T01:21:57Z → 2002-04-21T00:05:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 20th, 11:30–12:18 on the 21st.", "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 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 29293 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Cairo, 2002: Saturday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-20", "confidence": "determinate" } ], "quote": "In Cairo, Bhavānī Utpatti 2002 falls on Saturday 20 April. Aṣṭamī runs from 03:22 on Sat 20 Apr to 02:05 on Sun 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33890, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2002-04-21T02:05:08+02:00", "utc": "2002-04-21T00:05:08Z", "ms": 1019347508162.7358 }, "end": { "local": "2002-04-22T00:10:59+02:00", "utc": "2002-04-21T22:10:59Z", "ms": 1019427058673.0465 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-21T02:05:08+02:00", "utc": "2002-04-21T00:05:08Z", "ms": 1019347508162.7358 }, "end": { "local": "2002-04-22T00:10:59+02:00", "utc": "2002-04-21T22:10:59Z", "ms": 1019427058673.0465 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-21", "window": { "start": { "local": "2002-04-21T11:29:58+02:00", "utc": "2002-04-21T09:29:58Z", "ms": 1019381397904.7142 }, "end": { "local": "2002-04-21T12:17:58+02:00", "utc": "2002-04-21T10:17:58Z", "ms": 1019384277904.7142 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-22", "window": { "start": { "local": "2002-04-22T11:29:46+02:00", "utc": "2002-04-22T09:29:46Z", "ms": 1019467785829.3354 }, "end": { "local": "2002-04-22T12:17:46+02:00", "utc": "2002-04-22T10:17:46Z", "ms": 1019470665829.3354 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:05 on Sun 21 Apr to 00:11 on Mon 22 Apr.", "fact": "2002-04-21T00:05:08Z → 2002-04-21T22:10:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 21st, 11:30–12:18 on the 22nd.", "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 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: unstated → only-day · margin 33890 s" }, { "step": "ruling", "text": "Rāma Navamī, Cairo, 2002: Sunday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-21", "confidence": "determinate" } ], "quote": "In Cairo, Rāma Navamī 2002 falls on Sunday 21 April. Navamī runs from 02:05 on Sun 21 Apr to 00:11 on Mon 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-04-23", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27455, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-04-22T21:42:43+02:00", "utc": "2002-04-22T19:42:43Z", "ms": 1019504563299.8097 }, "end": { "local": "2002-04-23T18:45:54+02:00", "utc": "2002-04-23T16:45:54Z", "ms": 1019580354133.6417 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-22T21:42:43+02:00", "utc": "2002-04-22T19:42:43Z", "ms": 1019504563299.8097 }, "end": { "local": "2002-04-23T18:45:54+02:00", "utc": "2002-04-23T16:45:54Z", "ms": 1019580354133.6417 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-04-23", "window": { "start": { "local": "2002-04-23T05:20:19+02:00", "utc": "2002-04-23T03:20:19Z", "ms": 1019532018610.7786 }, "end": { "local": "2002-04-23T05:20:19+02:00", "utc": "2002-04-23T03:20:19Z", "ms": 1019532018610.7786 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-04-24", "window": { "start": { "local": "2002-04-24T05:19:18+02:00", "utc": "2002-04-24T03:19:18Z", "ms": 1019618358152.3066 }, "end": { "local": "2002-04-24T05:19:18+02:00", "utc": "2002-04-24T03:19:18Z", "ms": 1019618358152.3066 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:43 on Mon 22 Apr to 18:46 on Tue 23 Apr.", "fact": "2002-04-22T19:42:43Z → 2002-04-23T16:45:54Z" }, { "step": "kaala", "text": "Sunrise is at 05:20 on the 23rd and 05:19 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 27455 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Cairo, 2002: Tuesday 23 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": "2002-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-23", "confidence": "determinate" } ], "quote": "In Cairo, Kāmadā Ekādaśī 2002 falls on Tuesday 23 April. Ekādaśī runs from 21:43 on Mon 22 Apr to 18:46 on Tue 23 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-04-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10771, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-04-24T15:27:57+02:00", "utc": "2002-04-24T13:27:57Z", "ms": 1019654877189.6536 }, "end": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-24T15:27:57+02:00", "utc": "2002-04-24T13:27:57Z", "ms": 1019654877189.6536 }, "end": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-04-24", "window": { "start": { "local": "2002-04-24T18:27:28+02:00", "utc": "2002-04-24T16:27:28Z", "ms": 1019665647793.6019 }, "end": { "local": "2002-04-24T19:54:15+02:00", "utc": "2002-04-24T17:54:15Z", "ms": 1019670854556.0111 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2002-04-25", "window": { "start": { "local": "2002-04-25T18:28:06+02:00", "utc": "2002-04-25T16:28:06Z", "ms": 1019752085930.6392 }, "end": { "local": "2002-04-25T19:54:40+02:00", "utc": "2002-04-25T17:54:40Z", "ms": 1019757279768.8024 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:28 on Wed 24 Apr to 11:58 on Thu 25 Apr.", "fact": "2002-04-24T13:27:57Z → 2002-04-25T09:57:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:54 on the 24th, 18:28–19:55 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 87 of 87 minutes on the 24th and 0 of 87 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 10771 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Wednesday 24 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": "2002-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-24", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Wednesday 24 April. Trayodaśī runs from 15:28 on Wed 24 Apr to 11:58 on Thu 25 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1169, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-04-24T15:27:57+02:00", "utc": "2002-04-24T13:27:57Z", "ms": 1019654877189.6536 }, "end": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-24T15:27:57+02:00", "utc": "2002-04-24T13:27:57Z", "ms": 1019654877189.6536 }, "end": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-24", "window": { "start": { "local": "2002-04-24T11:29:23+02:00", "utc": "2002-04-24T09:29:23Z", "ms": 1019640562972.9543 }, "end": { "local": "2002-04-24T12:17:23+02:00", "utc": "2002-04-24T10:17:23Z", "ms": 1019643442972.9543 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-04-25", "window": { "start": { "local": "2002-04-25T11:29:12+02:00", "utc": "2002-04-25T09:29:12Z", "ms": 1019726952221.155 }, "end": { "local": "2002-04-25T12:17:12+02:00", "utc": "2002-04-25T10:17:12Z", "ms": 1019729832221.155 } }, "covered_min": 29, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:28 on Wed 24 Apr to 11:58 on Thu 25 Apr.", "fact": "2002-04-24T13:27:57Z → 2002-04-25T09:57:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 24th, 11:29–12:17 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 29 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 1169 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Cairo, 2002: Thursday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-25", "confidence": "determinate" } ], "quote": "In Cairo, Anaṅga Trayodaśī 2002 falls on Thursday 25 April. Trayodaśī runs from 15:28 on Wed 24 Apr to 11:58 on Thu 25 Apr and covers 29 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1169, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 }, "end": { "local": "2002-04-26T09:24:58+03:00", "utc": "2002-04-26T06:24:58Z", "ms": 1019802298164.5103 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-25T11:57:43+02:00", "utc": "2002-04-25T09:57:43Z", "ms": 1019728663214.2596 }, "end": { "local": "2002-04-26T09:24:58+03:00", "utc": "2002-04-26T06:24:58Z", "ms": 1019802298164.5103 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-25", "window": { "start": { "local": "2002-04-25T11:29:12+02:00", "utc": "2002-04-25T09:29:12Z", "ms": 1019726952221.155 }, "end": { "local": "2002-04-25T12:17:12+02:00", "utc": "2002-04-25T10:17:12Z", "ms": 1019729832221.155 } }, "covered_min": 19, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-26", "window": { "start": { "local": "2002-04-26T12:29:02+03:00", "utc": "2002-04-26T09:29:02Z", "ms": 1019813341940.6008 }, "end": { "local": "2002-04-26T13:17:02+03:00", "utc": "2002-04-26T10:17:02Z", "ms": 1019816221940.6008 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:58 on Thu 25 Apr to 09:25 on Fri 26 Apr.", "fact": "2002-04-25T09:57:43Z → 2002-04-26T06:24:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 25th, 12:29–13:17 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 19 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1169 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Cairo, 2002: Thursday 25 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": "2002-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-25", "confidence": "determinate" } ], "quote": "In Cairo, Viṣṇudamanaka Caturdaśī 2002 falls on Thursday 25 April. Caturdaśī runs from 11:58 on Thu 25 Apr to 09:25 on Fri 26 Apr and covers 19 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11044, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-04-26T09:24:58+03:00", "utc": "2002-04-26T06:24:58Z", "ms": 1019802298164.5103 }, "end": { "local": "2002-04-27T05:59:55+03:00", "utc": "2002-04-27T02:59:55Z", "ms": 1019876395159.1132 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2002-04-26T09:24:58+03:00", "utc": "2002-04-26T06:24:58Z", "ms": 1019802298164.5103 }, "end": { "local": "2002-04-27T05:59:55+03:00", "utc": "2002-04-27T02:59:55Z", "ms": 1019876395159.1132 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-04-26", "window": { "start": { "local": "2002-04-26T12:29:02+03:00", "utc": "2002-04-26T09:29:02Z", "ms": 1019813341940.6008 }, "end": { "local": "2002-04-26T13:17:02+03:00", "utc": "2002-04-26T10:17:02Z", "ms": 1019816221940.6008 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-04-27", "window": { "start": { "local": "2002-04-27T12:28:52+03:00", "utc": "2002-04-27T09:28:52Z", "ms": 1019899732146.5317 }, "end": { "local": "2002-04-27T13:16:52+03:00", "utc": "2002-04-27T10:16:52Z", "ms": 1019902612146.5317 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:25 on Fri 26 Apr to 06:00 on Sat 27 Apr.", "fact": "2002-04-26T06:24:58Z → 2002-04-27T02:59:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 26th, 12:29–13:17 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11044 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Cairo, 2002: Friday 26 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": "2002-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-26", "confidence": "determinate" } ], "quote": "In Cairo, Caitrī Pūrṇimā 2002 falls on Friday 26 April. Pūrṇimā runs from 09:25 on Fri 26 Apr to 06:00 on Sat 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-04-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 532, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-04-29T22:09:57+03:00", "utc": "2002-04-29T19:09:57Z", "ms": 1020107396511.9945 }, "end": { "local": "2002-04-30T20:49:38+03:00", "utc": "2002-04-30T17:49:38Z", "ms": 1020188978049.3682 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-04-29T22:09:57+03:00", "utc": "2002-04-29T19:09:57Z", "ms": 1020107396511.9945 }, "end": { "local": "2002-04-30T20:49:38+03:00", "utc": "2002-04-30T17:49:38Z", "ms": 1020188978049.3682 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-04-29", "window": { "start": { "local": "2002-04-29T22:18:48+03:00", "utc": "2002-04-29T19:18:48Z", "ms": 1020107928485.0511 }, "end": { "local": "2002-04-29T22:18:48+03:00", "utc": "2002-04-29T19:18:48Z", "ms": 1020107928485.0511 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-04-30", "window": { "start": { "local": "2002-04-30T23:22:21+03:00", "utc": "2002-04-30T20:22:21Z", "ms": 1020198141029.1919 }, "end": { "local": "2002-04-30T23:22:21+03:00", "utc": "2002-04-30T20:22:21Z", "ms": 1020198141029.1919 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:10 on Mon 29 Apr to 20:50 on Tue 30 Apr.", "fact": "2002-04-29T19:09:57Z → 2002-04-30T17:49:38Z" }, { "step": "kaala", "text": "Moonrise is at 22:19 on the 29th and 23:22 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not 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 532 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Monday 29 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": "2002-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-04-29", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Monday 29 April. Caturthī runs from 22:10 on Mon 29 Apr to 20:50 on Tue 30 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-04-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-05-07", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 154, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-05-07T03:37:24+03:00", "utc": "2002-05-07T00:37:24Z", "ms": 1020731843804.3522 }, "end": { "local": "2002-05-08T06:04:16+03:00", "utc": "2002-05-08T03:04:16Z", "ms": 1020827055584.64 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-07T03:37:24+03:00", "utc": "2002-05-07T00:37:24Z", "ms": 1020731843804.3522 }, "end": { "local": "2002-05-08T06:04:16+03:00", "utc": "2002-05-08T03:04:16Z", "ms": 1020827055584.64 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-05-07", "window": { "start": { "local": "2002-05-07T06:07:36+03:00", "utc": "2002-05-07T03:07:36Z", "ms": 1020740856471.8274 }, "end": { "local": "2002-05-07T06:07:36+03:00", "utc": "2002-05-07T03:07:36Z", "ms": 1020740856471.8274 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-05-08", "window": { "start": { "local": "2002-05-08T06:06:50+03:00", "utc": "2002-05-08T03:06:50Z", "ms": 1020827209856.4686 }, "end": { "local": "2002-05-08T06:06:50+03:00", "utc": "2002-05-08T03:06:50Z", "ms": 1020827209856.4686 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:37 on Tue 7 May to 06:04 on Wed 8 May.", "fact": "2002-05-07T00:37:24Z → 2002-05-08T03:04:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 7th and 06:07 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 154 s < 300 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Cairo, 2002: Tuesday 7 May.", "fact": "confidence: boundary (margin)" } ], "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": "2002-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-07", "confidence": "boundary" } ], "quote": "In Cairo, Varūthinī Ekādaśī 2002 falls on Tuesday 7 May. Ekādaśī runs from 03:37 on Tue 7 May to 06:04 on Wed 8 May and is current at sunrise that day. It is 2 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-05-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32720, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-05-09T08:25:18+03:00", "utc": "2002-05-09T05:25:18Z", "ms": 1020921918292.3162 }, "end": { "local": "2002-05-10T10:32:28+03:00", "utc": "2002-05-10T07:32:28Z", "ms": 1021015947773.0736 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-09T08:25:18+03:00", "utc": "2002-05-09T05:25:18Z", "ms": 1020921918292.3162 }, "end": { "local": "2002-05-10T10:32:28+03:00", "utc": "2002-05-10T07:32:28Z", "ms": 1021015947773.0736 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-05-09", "window": { "start": { "local": "2002-05-09T19:37:09+03:00", "utc": "2002-05-09T16:37:09Z", "ms": 1020962228772.1727 }, "end": { "local": "2002-05-09T21:00:54+03:00", "utc": "2002-05-09T18:00:54Z", "ms": 1020967254286.1425 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2002-05-10", "window": { "start": { "local": "2002-05-10T19:37:48+03:00", "utc": "2002-05-10T16:37:48Z", "ms": 1021048667821.1375 }, "end": { "local": "2002-05-10T21:01:22+03:00", "utc": "2002-05-10T18:01:22Z", "ms": 1021053682384.8182 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:25 on Thu 9 May to 10:32 on Fri 10 May.", "fact": "2002-05-09T05:25:18Z → 2002-05-10T07:32:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–21:01 on the 9th, 19:38–21:01 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 9th and 0 of 84 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32720 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Thursday 9 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": "2002-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-09", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Thursday 9 May. Trayodaśī runs from 08:25 on Thu 9 May to 10:32 on Fri 10 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-05-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33433, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-05-10T10:32:28+03:00", "utc": "2002-05-10T07:32:28Z", "ms": 1021015947773.0736 }, "end": { "local": "2002-05-11T12:20:11+03:00", "utc": "2002-05-11T09:20:11Z", "ms": 1021108810862.7294 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-10T10:32:28+03:00", "utc": "2002-05-10T07:32:28Z", "ms": 1021015947773.0736 }, "end": { "local": "2002-05-11T12:20:11+03:00", "utc": "2002-05-11T09:20:11Z", "ms": 1021108810862.7294 } }, "kaala": "nishita", "days": [ { "local_date": "2002-05-09", "window": { "start": { "local": "2002-05-10T00:27:14+03:00", "utc": "2002-05-09T21:27:14Z", "ms": 1020979634449.5591 }, "end": { "local": "2002-05-10T01:15:14+03:00", "utc": "2002-05-09T22:15:14Z", "ms": 1020982514449.5591 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-10", "window": { "start": { "local": "2002-05-11T00:27:12+03:00", "utc": "2002-05-10T21:27:12Z", "ms": 1021066032434.9402 }, "end": { "local": "2002-05-11T01:15:12+03:00", "utc": "2002-05-10T22:15:12Z", "ms": 1021068912434.9402 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:32 on Fri 10 May to 12:20 on Sat 11 May.", "fact": "2002-05-10T07:32:28Z → 2002-05-11T09:20:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 9th, 00:27–01:15 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 33433 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Friday 10 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": "2002-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-10", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Friday 10 May. Caturdaśī runs from 10:32 on Fri 10 May to 12:20 on Sat 11 May and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15134, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-05-14T15:20:06+03:00", "utc": "2002-05-14T12:20:06Z", "ms": 1021378806182.6857 }, "end": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-14T15:20:06+03:00", "utc": "2002-05-14T12:20:06Z", "ms": 1021378806182.6857 }, "end": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-05-14", "window": { "start": { "local": "2002-05-14T19:40:23+03:00", "utc": "2002-05-14T16:40:23Z", "ms": 1021394423301.8389 }, "end": { "local": "2002-05-14T21:03:16+03:00", "utc": "2002-05-14T18:03:16Z", "ms": 1021399395797.8851 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "2002-05-15", "window": { "start": { "local": "2002-05-15T19:41:02+03:00", "utc": "2002-05-15T16:41:02Z", "ms": 1021480861872.9413 }, "end": { "local": "2002-05-15T21:03:44+03:00", "utc": "2002-05-15T18:03:44Z", "ms": 1021485824311.1025 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:20 on Tue 14 May to 15:29 on Wed 15 May.", "fact": "2002-05-14T12:20:06Z → 2002-05-15T12:28:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:40–21:03 on the 14th, 19:41–21:04 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 83 of 83 minutes on the 14th and 0 of 83 on the 15th.", "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 15134 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Cairo, 2002: Tuesday 14 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-14", "confidence": "determinate" } ], "quote": "In Cairo, Paraśurāma Jayantī 2002 falls on Tuesday 14 May. Tṛtīyā runs from 15:20 on Tue 14 May to 15:29 on Wed 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17095, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-05-14T15:20:06+03:00", "utc": "2002-05-14T12:20:06Z", "ms": 1021378806182.6857 }, "end": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-14T15:20:06+03:00", "utc": "2002-05-14T12:20:06Z", "ms": 1021378806182.6857 }, "end": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 } }, "kaala": "purvahna", "days": [ { "local_date": "2002-05-14", "window": { "start": { "local": "2002-05-14T06:02:35+03:00", "utc": "2002-05-14T03:02:35Z", "ms": 1021345355156.3422 }, "end": { "local": "2002-05-14T10:35:11+03:00", "utc": "2002-05-14T07:35:11Z", "ms": 1021361711204.8411 } }, "covered_min": 0, "window_min": 273, "qualifies": false }, { "local_date": "2002-05-15", "window": { "start": { "local": "2002-05-15T06:01:57+03:00", "utc": "2002-05-15T03:01:57Z", "ms": 1021431717022.1858 }, "end": { "local": "2002-05-15T10:34:59+03:00", "utc": "2002-05-15T07:34:59Z", "ms": 1021448098639.1042 } }, "covered_min": 273, "window_min": 273, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:20 on Tue 14 May to 15:29 on Wed 15 May.", "fact": "2002-05-14T12:20:06Z → 2002-05-15T12:28:48Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:03–10:35 on the 14th, 06:02–10:35 on the 15th.", "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 273 minutes on the 14th and 273 of 273 on the 15th.", "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 17095 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Cairo, 2002: Wednesday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-15", "confidence": "determinate" } ], "quote": "In Cairo, Akṣaya Tṛtīyā 2002 falls on Wednesday 15 May. Tṛtīyā runs from 15:20 on Tue 14 May to 15:29 on Wed 15 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-05-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6936, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 }, "end": { "local": "2002-05-16T15:11:06+03:00", "utc": "2002-05-16T12:11:06Z", "ms": 1021551065900.544 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-15T15:28:48+03:00", "utc": "2002-05-15T12:28:48Z", "ms": 1021465728034.5334 }, "end": { "local": "2002-05-16T15:11:06+03:00", "utc": "2002-05-16T12:11:06Z", "ms": 1021551065900.544 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-15", "window": { "start": { "local": "2002-05-15T12:27:29+03:00", "utc": "2002-05-15T09:27:29Z", "ms": 1021454849447.5635 }, "end": { "local": "2002-05-15T13:15:29+03:00", "utc": "2002-05-15T10:15:29Z", "ms": 1021457729447.5635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-16", "window": { "start": { "local": "2002-05-16T12:27:30+03:00", "utc": "2002-05-16T09:27:30Z", "ms": 1021541250215.7924 }, "end": { "local": "2002-05-16T13:15:30+03:00", "utc": "2002-05-16T10:15:30Z", "ms": 1021544130215.7924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:29 on Wed 15 May to 15:11 on Thu 16 May.", "fact": "2002-05-15T12:28:48Z → 2002-05-16T12:11:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 15th, 12:28–13:16 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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6936 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Thursday 16 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": "2002-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-16", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Thursday 16 May. Caturthī runs from 15:29 on Wed 15 May to 15:11 on Thu 16 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4275, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-05-16T15:11:06+03:00", "utc": "2002-05-16T12:11:06Z", "ms": 1021551065900.544 }, "end": { "local": "2002-05-17T14:26:47+03:00", "utc": "2002-05-17T11:26:47Z", "ms": 1021634806909.1359 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-16T15:11:06+03:00", "utc": "2002-05-16T12:11:06Z", "ms": 1021551065900.544 }, "end": { "local": "2002-05-17T14:26:47+03:00", "utc": "2002-05-17T11:26:47Z", "ms": 1021634806909.1359 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-16", "window": { "start": { "local": "2002-05-16T12:27:30+03:00", "utc": "2002-05-16T09:27:30Z", "ms": 1021541250215.7924 }, "end": { "local": "2002-05-16T13:15:30+03:00", "utc": "2002-05-16T10:15:30Z", "ms": 1021544130215.7924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-17", "window": { "start": { "local": "2002-05-17T12:27:32+03:00", "utc": "2002-05-17T09:27:32Z", "ms": 1021627651526.5709 }, "end": { "local": "2002-05-17T13:15:32+03:00", "utc": "2002-05-17T10:15:32Z", "ms": 1021630531526.5709 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:11 on Thu 16 May to 14:27 on Fri 17 May.", "fact": "2002-05-16T12:11:06Z → 2002-05-17T11:26:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 16th, 12:28–13:16 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 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: unstated → only-day · margin 4275 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Cairo, 2002: Friday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-17", "confidence": "determinate" } ], "quote": "In Cairo, Śaṅkara Jayantī 2002 falls on Friday 17 May. Pañcamī runs from 15:11 on Thu 16 May to 14:27 on Fri 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-19", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 25, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-05-18T13:15:59+03:00", "utc": "2002-05-18T10:15:59Z", "ms": 1021716958683.2777 }, "end": { "local": "2002-05-19T11:39:28+03:00", "utc": "2002-05-19T08:39:28Z", "ms": 1021797567679.1902 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-18T13:15:59+03:00", "utc": "2002-05-18T10:15:59Z", "ms": 1021716958683.2777 }, "end": { "local": "2002-05-19T11:39:28+03:00", "utc": "2002-05-19T08:39:28Z", "ms": 1021797567679.1902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-18", "window": { "start": { "local": "2002-05-18T12:27:33+03:00", "utc": "2002-05-18T09:27:33Z", "ms": 1021714053372.4106 }, "end": { "local": "2002-05-18T13:15:33+03:00", "utc": "2002-05-18T10:15:33Z", "ms": 1021716933372.4106 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-19", "window": { "start": { "local": "2002-05-19T12:27:36+03:00", "utc": "2002-05-19T09:27:36Z", "ms": 1021800455745.7902 }, "end": { "local": "2002-05-19T13:15:36+03:00", "utc": "2002-05-19T10:15:36Z", "ms": 1021803335745.7902 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:16 on Sat 18 May to 11:39 on Sun 19 May.", "fact": "2002-05-18T10:15:59Z → 2002-05-19T08:39:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 18th, 12:28–13:16 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 0 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 25 s < 300 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Cairo, 2002: Sunday 19 May.", "fact": "confidence: boundary (margin)" } ], "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": "2002-05-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-18", "confidence": "determinate" } ], "quote": "In Cairo, Gaṅgotpatti (Ganga Saptami) 2002 falls on Sunday 19 May. Saptamī runs from 13:16 on Sat 18 May to 11:39 on Sun 19 May, and reaches madhyāhna on neither day. It is 0 min 25 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-05-22", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4755, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-05-22T04:38:51+03:00", "utc": "2002-05-22T01:38:51Z", "ms": 1022031530912.0396 }, "end": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-22T04:38:51+03:00", "utc": "2002-05-22T01:38:51Z", "ms": 1022031530912.0396 }, "end": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-05-22", "window": { "start": { "local": "2002-05-22T05:58:06+03:00", "utc": "2002-05-22T02:58:06Z", "ms": 1022036286383.0938 }, "end": { "local": "2002-05-22T05:58:06+03:00", "utc": "2002-05-22T02:58:06Z", "ms": 1022036286383.0938 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-05-23", "window": { "start": { "local": "2002-05-23T05:57:39+03:00", "utc": "2002-05-23T02:57:39Z", "ms": 1022122658769.8196 }, "end": { "local": "2002-05-23T05:57:39+03:00", "utc": "2002-05-23T02:57:39Z", "ms": 1022122658769.8196 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:39 on Wed 22 May to 01:49 on Thu 23 May.", "fact": "2002-05-22T01:38:51Z → 2002-05-22T22:48:45Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 22nd and 05:58 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not 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 4755 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Cairo, 2002: Wednesday 22 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": "2002-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-22", "confidence": "determinate" } ], "quote": "In Cairo, Mohinī Ekādaśī 2002 falls on Wednesday 22 May. Ekādaśī runs from 04:39 on Wed 22 May to 01:49 on Thu 23 May and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34660, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 }, "end": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 }, "end": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-22", "window": { "start": { "local": "2002-05-22T12:27:46+03:00", "utc": "2002-05-22T09:27:46Z", "ms": 1022059665960.1426 }, "end": { "local": "2002-05-22T13:15:46+03:00", "utc": "2002-05-22T10:15:46Z", "ms": 1022062545960.1426 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-23", "window": { "start": { "local": "2002-05-23T12:27:50+03:00", "utc": "2002-05-23T09:27:50Z", "ms": 1022146070374.9788 }, "end": { "local": "2002-05-23T13:15:50+03:00", "utc": "2002-05-23T10:15:50Z", "ms": 1022148950374.9788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:49 on Thu 23 May to 22:54 on Thu 23 May.", "fact": "2002-05-22T22:48:45Z → 2002-05-23T19:53:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 22nd, 12:28–13:16 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34660 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Cairo, 2002: Thursday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-23", "confidence": "determinate" } ], "quote": "In Cairo, Paraśurāma Dvādaśī 2002 falls on Thursday 23 May. Dvādaśī runs from 01:49 on Thu 23 May to 22:54 on Thu 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34660, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 }, "end": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-23T01:48:45+03:00", "utc": "2002-05-22T22:48:45Z", "ms": 1022107725418.3529 }, "end": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-22", "window": { "start": { "local": "2002-05-22T12:27:46+03:00", "utc": "2002-05-22T09:27:46Z", "ms": 1022059665960.1426 }, "end": { "local": "2002-05-22T13:15:46+03:00", "utc": "2002-05-22T10:15:46Z", "ms": 1022062545960.1426 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-23", "window": { "start": { "local": "2002-05-23T12:27:50+03:00", "utc": "2002-05-23T09:27:50Z", "ms": 1022146070374.9788 }, "end": { "local": "2002-05-23T13:15:50+03:00", "utc": "2002-05-23T10:15:50Z", "ms": 1022148950374.9788 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:49 on Thu 23 May to 22:54 on Thu 23 May.", "fact": "2002-05-22T22:48:45Z → 2002-05-23T19:53:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 22nd, 12:28–13:16 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34660 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Cairo, 2002: Thursday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-23", "confidence": "determinate" } ], "quote": "In Cairo, Rukmiṇī Dvādaśī 2002 falls on Thursday 23 May. Dvādaśī runs from 01:49 on Thu 23 May to 22:54 on Thu 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 820, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-05-24T20:00:18+03:00", "utc": "2002-05-24T17:00:18Z", "ms": 1022259618268.6785 }, "end": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-24T20:00:18+03:00", "utc": "2002-05-24T17:00:18Z", "ms": 1022259618268.6785 }, "end": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-05-24", "window": { "start": { "local": "2002-05-24T19:46:38+03:00", "utc": "2002-05-24T16:46:38Z", "ms": 1022258798043.5502 }, "end": { "local": "2002-05-24T21:07:59+03:00", "utc": "2002-05-24T18:07:59Z", "ms": 1022263679326.5133 } }, "covered_min": 68, "window_min": 81, "qualifies": true }, { "local_date": "2002-05-25", "window": { "start": { "local": "2002-05-25T19:47:14+03:00", "utc": "2002-05-25T16:47:14Z", "ms": 1022345233704.7333 }, "end": { "local": "2002-05-25T21:08:27+03:00", "utc": "2002-05-25T18:08:27Z", "ms": 1022350107103.7505 } }, "covered_min": 0, "window_min": 81, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:00 on Fri 24 May to 17:17 on Sat 25 May.", "fact": "2002-05-24T17:00:18Z → 2002-05-25T14:16:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:08 on the 24th, 19:47–21:08 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 68 of 81 minutes on the 24th and 0 of 81 on the 25th.", "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 820 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Cairo, 2002: Friday 24 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": "2002-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-24", "confidence": "determinate" } ], "quote": "In Cairo, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2002 falls on Friday 24 May. Caturdaśī runs from 20:00 on Fri 24 May to 17:17 on Sat 25 May and covers 68 of 81 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-05-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 820, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 }, "end": { "local": "2002-05-24T20:00:18+03:00", "utc": "2002-05-24T17:00:18Z", "ms": 1022259618268.6785 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-23T22:53:30+03:00", "utc": "2002-05-23T19:53:30Z", "ms": 1022183610144.222 }, "end": { "local": "2002-05-24T20:00:18+03:00", "utc": "2002-05-24T17:00:18Z", "ms": 1022259618268.6785 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-05-23", "window": { "start": { "local": "2002-05-23T19:46:02+03:00", "utc": "2002-05-23T16:46:02Z", "ms": 1022172361980.138 }, "end": { "local": "2002-05-23T21:07:31+03:00", "utc": "2002-05-23T18:07:31Z", "ms": 1022177251386.3712 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2002-05-24", "window": { "start": { "local": "2002-05-24T19:46:38+03:00", "utc": "2002-05-24T16:46:38Z", "ms": 1022258798043.5502 }, "end": { "local": "2002-05-24T21:07:59+03:00", "utc": "2002-05-24T18:07:59Z", "ms": 1022263679326.5133 } }, "covered_min": 14, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:54 on Thu 23 May to 20:00 on Fri 24 May.", "fact": "2002-05-23T19:53:30Z → 2002-05-24T17:00:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:08 on the 23rd, 19:47–21:08 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 0 of 81 minutes on the 23rd and 14 of 81 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 820 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Friday 24 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": "2002-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-24", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Friday 24 May. Trayodaśī runs from 22:54 on Thu 23 May to 20:00 on Fri 24 May and covers 14 of 81 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5708, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 }, "end": { "local": "2002-05-26T14:51:15+03:00", "utc": "2002-05-26T11:51:15Z", "ms": 1022413875038.4471 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 }, "end": { "local": "2002-05-26T14:51:15+03:00", "utc": "2002-05-26T11:51:15Z", "ms": 1022413875038.4471 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-25", "window": { "start": { "local": "2002-05-25T12:28:01+03:00", "utc": "2002-05-25T09:28:01Z", "ms": 1022318880685.2537 }, "end": { "local": "2002-05-25T13:16:01+03:00", "utc": "2002-05-25T10:16:01Z", "ms": 1022321760685.2537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-26", "window": { "start": { "local": "2002-05-26T12:28:07+03:00", "utc": "2002-05-26T09:28:07Z", "ms": 1022405286569.08 }, "end": { "local": "2002-05-26T13:16:07+03:00", "utc": "2002-05-26T10:16:07Z", "ms": 1022408166569.08 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:17 on Sat 25 May to 14:51 on Sun 26 May.", "fact": "2002-05-25T14:16:55Z → 2002-05-26T11:51:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 25th, 12:28–13:16 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5708 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Cairo, 2002: Sunday 26 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": "2002-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-26", "confidence": "determinate" } ], "quote": "In Cairo, Buddha Pūrṇimā 2002 falls on Sunday 26 May. Pūrṇimā runs from 17:17 on Sat 25 May to 14:51 on Sun 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5708, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 }, "end": { "local": "2002-05-26T14:51:15+03:00", "utc": "2002-05-26T11:51:15Z", "ms": 1022413875038.4471 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-25T17:16:55+03:00", "utc": "2002-05-25T14:16:55Z", "ms": 1022336214522.0867 }, "end": { "local": "2002-05-26T14:51:15+03:00", "utc": "2002-05-26T11:51:15Z", "ms": 1022413875038.4471 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-05-25", "window": { "start": { "local": "2002-05-25T12:28:01+03:00", "utc": "2002-05-25T09:28:01Z", "ms": 1022318880685.2537 }, "end": { "local": "2002-05-25T13:16:01+03:00", "utc": "2002-05-25T10:16:01Z", "ms": 1022321760685.2537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-05-26", "window": { "start": { "local": "2002-05-26T12:28:07+03:00", "utc": "2002-05-26T09:28:07Z", "ms": 1022405286569.08 }, "end": { "local": "2002-05-26T13:16:07+03:00", "utc": "2002-05-26T10:16:07Z", "ms": 1022408166569.08 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:17 on Sat 25 May to 14:51 on Sun 26 May.", "fact": "2002-05-25T14:16:55Z → 2002-05-26T11:51:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 25th, 12:28–13:16 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5708 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Cairo, 2002: Sunday 26 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": "2002-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-26", "confidence": "determinate" } ], "quote": "In Cairo, Sampat Gaurī Vrata 2002 falls on Sunday 26 May. Pūrṇimā runs from 17:17 on Sat 25 May to 14:51 on Sun 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-05-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41079, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-05-29T10:33:44+03:00", "utc": "2002-05-29T07:33:44Z", "ms": 1022657623563.359 }, "end": { "local": "2002-05-30T10:25:51+03:00", "utc": "2002-05-30T07:25:51Z", "ms": 1022743551200.6387 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-05-29T10:33:44+03:00", "utc": "2002-05-29T07:33:44Z", "ms": 1022657623563.359 }, "end": { "local": "2002-05-30T10:25:51+03:00", "utc": "2002-05-30T07:25:51Z", "ms": 1022743551200.6387 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-05-28", "window": { "start": { "local": "2002-05-28T22:05:36+03:00", "utc": "2002-05-28T19:05:36Z", "ms": 1022612736243.0707 }, "end": { "local": "2002-05-28T22:05:36+03:00", "utc": "2002-05-28T19:05:36Z", "ms": 1022612736243.0707 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-05-29", "window": { "start": { "local": "2002-05-29T23:01:12+03:00", "utc": "2002-05-29T20:01:12Z", "ms": 1022702472457.0522 }, "end": { "local": "2002-05-29T23:01:12+03:00", "utc": "2002-05-29T20:01:12Z", "ms": 1022702472457.0522 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:34 on Wed 29 May to 10:26 on Thu 30 May.", "fact": "2002-05-29T07:33:44Z → 2002-05-30T07:25:51Z" }, { "step": "kaala", "text": "Moonrise is at 22:06 on the 28th and 23:01 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 41079 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Wednesday 29 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": "2002-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-05-29", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Wednesday 29 May. Caturthī runs from 10:34 on Wed 29 May to 10:26 on Thu 30 May and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-06-06", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24847, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-06-05T20:53:35+03:00", "utc": "2002-06-05T17:53:35Z", "ms": 1023299614649.2834 }, "end": { "local": "2002-06-06T22:59:26+03:00", "utc": "2002-06-06T19:59:26Z", "ms": 1023393566435.5664 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-05T20:53:35+03:00", "utc": "2002-06-05T17:53:35Z", "ms": 1023299614649.2834 }, "end": { "local": "2002-06-06T22:59:26+03:00", "utc": "2002-06-06T19:59:26Z", "ms": 1023393566435.5664 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-06-06", "window": { "start": { "local": "2002-06-06T05:53:40+03:00", "utc": "2002-06-06T02:53:40Z", "ms": 1023332019961.3884 }, "end": { "local": "2002-06-06T05:53:40+03:00", "utc": "2002-06-06T02:53:40Z", "ms": 1023332019961.3884 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-06-07", "window": { "start": { "local": "2002-06-07T05:53:34+03:00", "utc": "2002-06-07T02:53:34Z", "ms": 1023418413611.8666 }, "end": { "local": "2002-06-07T05:53:34+03:00", "utc": "2002-06-07T02:53:34Z", "ms": 1023418413611.8666 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:54 on Wed 5 Jun to 22:59 on Thu 6 Jun.", "fact": "2002-06-05T17:53:35Z → 2002-06-06T19:59:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 6th and 05:54 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24847 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Cairo, 2002: Thursday 6 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": "2002-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-06", "confidence": "determinate" } ], "quote": "In Cairo, Aparā Ekādaśī 2002 falls on Thursday 6 June. Ekādaśī runs from 20:54 on Wed 5 Jun to 22:59 on Thu 6 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-06-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12495, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-06-08T00:42:19+03:00", "utc": "2002-06-07T21:42:19Z", "ms": 1023486138749.6237 }, "end": { "local": "2002-06-09T01:56:01+03:00", "utc": "2002-06-08T22:56:01Z", "ms": 1023576961378.9512 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-08T00:42:19+03:00", "utc": "2002-06-07T21:42:19Z", "ms": 1023486138749.6237 }, "end": { "local": "2002-06-09T01:56:01+03:00", "utc": "2002-06-08T22:56:01Z", "ms": 1023576961378.9512 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-06-07", "window": { "start": { "local": "2002-06-07T19:54:09+03:00", "utc": "2002-06-07T16:54:09Z", "ms": 1023468848741.1012 }, "end": { "local": "2002-06-07T21:14:03+03:00", "utc": "2002-06-07T18:14:03Z", "ms": 1023473643398.789 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "2002-06-08", "window": { "start": { "local": "2002-06-08T19:54:36+03:00", "utc": "2002-06-08T16:54:36Z", "ms": 1023555275865.7125 }, "end": { "local": "2002-06-08T21:14:26+03:00", "utc": "2002-06-08T18:14:26Z", "ms": 1023560066435.1351 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:42 on Sat 8 Jun to 01:56 on Sun 9 Jun.", "fact": "2002-06-07T21:42:19Z → 2002-06-08T22:56:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:14 on the 7th, 19:55–21:14 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 7th and 80 of 80 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 12495 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Saturday 8 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": "2002-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-08", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Saturday 8 June. Trayodaśī runs from 00:42 on Sat 8 Jun to 01:56 on Sun 9 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-06-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2281, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-06-09T01:56:01+03:00", "utc": "2002-06-08T22:56:01Z", "ms": 1023576961378.9512 }, "end": { "local": "2002-06-10T02:37:33+03:00", "utc": "2002-06-09T23:37:33Z", "ms": 1023665852618.6364 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-09T01:56:01+03:00", "utc": "2002-06-08T22:56:01Z", "ms": 1023576961378.9512 }, "end": { "local": "2002-06-10T02:37:33+03:00", "utc": "2002-06-09T23:37:33Z", "ms": 1023665852618.6364 } }, "kaala": "nishita", "days": [ { "local_date": "2002-06-08", "window": { "start": { "local": "2002-06-09T00:30:01+03:00", "utc": "2002-06-08T21:30:01Z", "ms": 1023571800501.0474 }, "end": { "local": "2002-06-09T01:18:01+03:00", "utc": "2002-06-08T22:18:01Z", "ms": 1023574680501.0474 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-06-09", "window": { "start": { "local": "2002-06-10T00:30:13+03:00", "utc": "2002-06-09T21:30:13Z", "ms": 1023658212562.3972 }, "end": { "local": "2002-06-10T01:18:13+03:00", "utc": "2002-06-09T22:18:13Z", "ms": 1023661092562.3972 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:56 on Sun 9 Jun to 02:38 on Mon 10 Jun.", "fact": "2002-06-08T22:56:01Z → 2002-06-09T23:37:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 8th, 00:30–01:18 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2281 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Sunday 9 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": "2002-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-09", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Sunday 9 June. Caturdaśī runs from 01:56 on Sun 9 Jun to 02:38 on Mon 10 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39378, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-06-13T01:34:43+03:00", "utc": "2002-06-12T22:34:43Z", "ms": 1023921282983.6503 }, "end": { "local": "2002-06-14T00:20:31+03:00", "utc": "2002-06-13T21:20:31Z", "ms": 1024003231490.8105 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-13T01:34:43+03:00", "utc": "2002-06-12T22:34:43Z", "ms": 1023921282983.6503 }, "end": { "local": "2002-06-14T00:20:31+03:00", "utc": "2002-06-13T21:20:31Z", "ms": 1024003231490.8105 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-06-13", "window": { "start": { "local": "2002-06-13T12:31:01+03:00", "utc": "2002-06-13T09:31:01Z", "ms": 1023960661352.6326 }, "end": { "local": "2002-06-13T13:19:01+03:00", "utc": "2002-06-13T10:19:01Z", "ms": 1023963541352.6326 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-06-14", "window": { "start": { "local": "2002-06-14T12:31:14+03:00", "utc": "2002-06-14T09:31:14Z", "ms": 1024047073712.4441 }, "end": { "local": "2002-06-14T13:19:14+03:00", "utc": "2002-06-14T10:19:14Z", "ms": 1024049953712.4441 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:35 on Thu 13 Jun to 00:21 on Fri 14 Jun.", "fact": "2002-06-12T22:34:43Z → 2002-06-13T21:20:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 13th, 12:31–13:19 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39378 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Cairo, 2002: Thursday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-13", "confidence": "determinate" } ], "quote": "In Cairo, Rambhā Tṛtīyā 2002 falls on Thursday 13 June. Tṛtīyā runs from 01:35 on Thu 13 Jun to 00:21 on Fri 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-06-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34003, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-06-14T00:20:31+03:00", "utc": "2002-06-13T21:20:31Z", "ms": 1024003231490.8105 }, "end": { "local": "2002-06-14T22:45:57+03:00", "utc": "2002-06-14T19:45:57Z", "ms": 1024083956761.5559 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-14T00:20:31+03:00", "utc": "2002-06-13T21:20:31Z", "ms": 1024003231490.8105 }, "end": { "local": "2002-06-14T22:45:57+03:00", "utc": "2002-06-14T19:45:57Z", "ms": 1024083956761.5559 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-06-13", "window": { "start": { "local": "2002-06-13T12:31:01+03:00", "utc": "2002-06-13T09:31:01Z", "ms": 1023960661352.6326 }, "end": { "local": "2002-06-13T13:19:01+03:00", "utc": "2002-06-13T10:19:01Z", "ms": 1023963541352.6326 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-06-14", "window": { "start": { "local": "2002-06-14T12:31:14+03:00", "utc": "2002-06-14T09:31:14Z", "ms": 1024047073712.4441 }, "end": { "local": "2002-06-14T13:19:14+03:00", "utc": "2002-06-14T10:19:14Z", "ms": 1024049953712.4441 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:21 on Fri 14 Jun to 22:46 on Fri 14 Jun.", "fact": "2002-06-13T21:20:31Z → 2002-06-14T19:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 13th, 12:31–13:19 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 34003 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Friday 14 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": "2002-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-14", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Friday 14 June. Caturthī runs from 00:21 on Fri 14 Jun to 22:46 on Fri 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19887, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-06-15T20:54:53+03:00", "utc": "2002-06-15T17:54:53Z", "ms": 1024163693253.8856 }, "end": { "local": "2002-06-16T18:51:06+03:00", "utc": "2002-06-16T15:51:06Z", "ms": 1024242665835.785 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-15T20:54:53+03:00", "utc": "2002-06-15T17:54:53Z", "ms": 1024163693253.8856 }, "end": { "local": "2002-06-16T18:51:06+03:00", "utc": "2002-06-16T15:51:06Z", "ms": 1024242665835.785 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-06-15", "window": { "start": { "local": "2002-06-15T12:31:26+03:00", "utc": "2002-06-15T09:31:26Z", "ms": 1024133486191.1149 }, "end": { "local": "2002-06-15T13:19:26+03:00", "utc": "2002-06-15T10:19:26Z", "ms": 1024136366191.1149 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-06-16", "window": { "start": { "local": "2002-06-16T12:31:39+03:00", "utc": "2002-06-16T09:31:39Z", "ms": 1024219898762.3604 }, "end": { "local": "2002-06-16T13:19:39+03:00", "utc": "2002-06-16T10:19:39Z", "ms": 1024222778762.3604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:55 on Sat 15 Jun to 18:51 on Sun 16 Jun.", "fact": "2002-06-15T17:54:53Z → 2002-06-16T15:51:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 15th, 12:32–13:20 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19887 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Cairo, 2002: Sunday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-16", "confidence": "determinate" } ], "quote": "In Cairo, Araṇya Gaurī Vrata 2002 falls on Sunday 16 June. Ṣaṣṭhī runs from 20:55 on Sat 15 Jun to 18:51 on Sun 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19887, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-06-15T20:54:53+03:00", "utc": "2002-06-15T17:54:53Z", "ms": 1024163693253.8856 }, "end": { "local": "2002-06-16T18:51:06+03:00", "utc": "2002-06-16T15:51:06Z", "ms": 1024242665835.785 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-15T20:54:53+03:00", "utc": "2002-06-15T17:54:53Z", "ms": 1024163693253.8856 }, "end": { "local": "2002-06-16T18:51:06+03:00", "utc": "2002-06-16T15:51:06Z", "ms": 1024242665835.785 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-06-15", "window": { "start": { "local": "2002-06-15T12:31:26+03:00", "utc": "2002-06-15T09:31:26Z", "ms": 1024133486191.1149 }, "end": { "local": "2002-06-15T13:19:26+03:00", "utc": "2002-06-15T10:19:26Z", "ms": 1024136366191.1149 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-06-16", "window": { "start": { "local": "2002-06-16T12:31:39+03:00", "utc": "2002-06-16T09:31:39Z", "ms": 1024219898762.3604 }, "end": { "local": "2002-06-16T13:19:39+03:00", "utc": "2002-06-16T10:19:39Z", "ms": 1024222778762.3604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:55 on Sat 15 Jun to 18:51 on Sun 16 Jun.", "fact": "2002-06-15T17:54:53Z → 2002-06-16T15:51:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 15th, 12:32–13:20 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19887 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Cairo, 2002: Sunday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-16", "confidence": "determinate" } ], "quote": "In Cairo, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2002 falls on Sunday 16 June. Ṣaṣṭhī runs from 20:55 on Sat 15 Jun to 18:51 on Sun 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-06-21", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5352, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-06-20T09:38:30+03:00", "utc": "2002-06-20T06:38:30Z", "ms": 1024555110098.0568 }, "end": { "local": "2002-06-21T07:23:38+03:00", "utc": "2002-06-21T04:23:38Z", "ms": 1024633417710.313 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-20T09:38:30+03:00", "utc": "2002-06-20T06:38:30Z", "ms": 1024555110098.0568 }, "end": { "local": "2002-06-21T07:23:38+03:00", "utc": "2002-06-21T04:23:38Z", "ms": 1024633417710.313 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-06-20", "window": { "start": { "local": "2002-06-20T05:54:14+03:00", "utc": "2002-06-20T02:54:14Z", "ms": 1024541654033.5354 }, "end": { "local": "2002-06-20T05:54:14+03:00", "utc": "2002-06-20T02:54:14Z", "ms": 1024541654033.5354 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-06-21", "window": { "start": { "local": "2002-06-21T05:54:26+03:00", "utc": "2002-06-21T02:54:26Z", "ms": 1024628065956.864 }, "end": { "local": "2002-06-21T05:54:26+03:00", "utc": "2002-06-21T02:54:26Z", "ms": 1024628065956.864 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:39 on Thu 20 Jun to 07:24 on Fri 21 Jun.", "fact": "2002-06-20T06:38:30Z → 2002-06-21T04:23:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 20th and 05:54 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5352 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Cairo, 2002: Friday 21 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": "2002-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-21", "confidence": "determinate" } ], "quote": "In Cairo, Nirjalā Ekādaśī 2002 falls on Friday 21 June. Ekādaśī runs from 09:39 on Thu 20 Jun to 07:24 on Fri 21 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18544, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-06-21T07:23:38+03:00", "utc": "2002-06-21T04:23:38Z", "ms": 1024633417710.313 }, "end": { "local": "2002-06-22T05:17:54+03:00", "utc": "2002-06-22T02:17:54Z", "ms": 1024712273806.9429 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-21T07:23:38+03:00", "utc": "2002-06-21T04:23:38Z", "ms": 1024633417710.313 }, "end": { "local": "2002-06-22T05:17:54+03:00", "utc": "2002-06-22T02:17:54Z", "ms": 1024712273806.9429 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-06-21", "window": { "start": { "local": "2002-06-21T12:32:42+03:00", "utc": "2002-06-21T09:32:42Z", "ms": 1024651962156.4551 }, "end": { "local": "2002-06-21T13:20:42+03:00", "utc": "2002-06-21T10:20:42Z", "ms": 1024654842156.4551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-06-22", "window": { "start": { "local": "2002-06-22T12:32:55+03:00", "utc": "2002-06-22T09:32:55Z", "ms": 1024738374788.5171 }, "end": { "local": "2002-06-22T13:20:55+03:00", "utc": "2002-06-22T10:20:55Z", "ms": 1024741254788.5171 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:24 on Fri 21 Jun to 05:18 on Sat 22 Jun.", "fact": "2002-06-21T04:23:38Z → 2002-06-22T02:17:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 21st, 12:33–13:21 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 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 18544 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Cairo, 2002: Friday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-21", "confidence": "determinate" } ], "quote": "In Cairo, Śrī Rāma Dvādaśī 2002 falls on Friday 21 June. Dvādaśī runs from 07:24 on Fri 21 Jun to 05:18 on Sat 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-06-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22035, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-06-22T05:17:54+03:00", "utc": "2002-06-22T02:17:54Z", "ms": 1024712273806.9429 }, "end": { "local": "2002-06-23T03:25:51+03:00", "utc": "2002-06-23T00:25:51Z", "ms": 1024791950756.3442 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-22T05:17:54+03:00", "utc": "2002-06-22T02:17:54Z", "ms": 1024712273806.9429 }, "end": { "local": "2002-06-23T03:25:51+03:00", "utc": "2002-06-23T00:25:51Z", "ms": 1024791950756.3442 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-06-21", "window": { "start": { "local": "2002-06-21T19:58:58+03:00", "utc": "2002-06-21T16:58:58Z", "ms": 1024678738356.0461 }, "end": { "local": "2002-06-21T21:18:24+03:00", "utc": "2002-06-21T18:18:24Z", "ms": 1024683503780.1641 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2002-06-22", "window": { "start": { "local": "2002-06-22T19:59:11+03:00", "utc": "2002-06-22T16:59:11Z", "ms": 1024765150540.1041 }, "end": { "local": "2002-06-22T21:18:36+03:00", "utc": "2002-06-22T18:18:36Z", "ms": 1024769916235.0723 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:18 on Sat 22 Jun to 03:26 on Sun 23 Jun.", "fact": "2002-06-22T02:17:54Z → 2002-06-23T00:25:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:18 on the 21st, 19:59–21:19 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 21st and 79 of 79 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22035 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Saturday 22 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": "2002-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-22", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Saturday 22 June. Trayodaśī runs from 05:18 on Sat 22 Jun to 03:26 on Sun 23 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-06-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12203, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-06-24T01:52:20+03:00", "utc": "2002-06-23T22:52:20Z", "ms": 1024872740144.8647 }, "end": { "local": "2002-06-25T00:42:21+03:00", "utc": "2002-06-24T21:42:21Z", "ms": 1024954941367.1207 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-24T01:52:20+03:00", "utc": "2002-06-23T22:52:20Z", "ms": 1024872740144.8647 }, "end": { "local": "2002-06-25T00:42:21+03:00", "utc": "2002-06-24T21:42:21Z", "ms": 1024954941367.1207 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-06-23", "window": { "start": { "local": "2002-06-23T19:59:21+03:00", "utc": "2002-06-23T16:59:21Z", "ms": 1024851561463.8535 }, "end": { "local": "2002-06-23T21:18:48+03:00", "utc": "2002-06-23T18:18:48Z", "ms": 1024856327746.2094 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2002-06-24", "window": { "start": { "local": "2002-06-24T19:59:31+03:00", "utc": "2002-06-24T16:59:31Z", "ms": 1024937971111.1566 }, "end": { "local": "2002-06-24T21:18:58+03:00", "utc": "2002-06-24T18:18:58Z", "ms": 1024942738296.6528 } }, "covered_min": 79, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:52 on Mon 24 Jun to 00:42 on Tue 25 Jun.", "fact": "2002-06-23T22:52:20Z → 2002-06-24T21:42:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:19 on the 23rd, 20:00–21:19 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 79 minutes on the 23rd and 79 of 79 on the 24th.", "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 12203 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Cairo, 2002: Monday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-24", "confidence": "determinate" } ], "quote": "In Cairo, Vaṭa Sāvitrī Vrata 2002 falls on Monday 24 June. Pūrṇimā runs from 01:52 on Mon 24 Jun to 00:42 on Tue 25 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-06-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6665, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-06-28T00:17:01+03:00", "utc": "2002-06-27T21:17:01Z", "ms": 1025212620812.654 }, "end": { "local": "2002-06-29T01:18:00+03:00", "utc": "2002-06-28T22:18:00Z", "ms": 1025302680127.9563 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-06-28T00:17:01+03:00", "utc": "2002-06-27T21:17:01Z", "ms": 1025212620812.654 }, "end": { "local": "2002-06-29T01:18:00+03:00", "utc": "2002-06-28T22:18:00Z", "ms": 1025302680127.9563 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-06-27", "window": { "start": { "local": "2002-06-27T22:25:56+03:00", "utc": "2002-06-27T19:25:56Z", "ms": 1025205955609.8308 }, "end": { "local": "2002-06-27T22:25:56+03:00", "utc": "2002-06-27T19:25:56Z", "ms": 1025205955609.8308 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-06-28", "window": { "start": { "local": "2002-06-28T23:05:06+03:00", "utc": "2002-06-28T20:05:06Z", "ms": 1025294705525.2495 }, "end": { "local": "2002-06-28T23:05:06+03:00", "utc": "2002-06-28T20:05:06Z", "ms": 1025294705525.2495 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:17 on Fri 28 Jun to 01:18 on Sat 29 Jun.", "fact": "2002-06-27T21:17:01Z → 2002-06-28T22:18:00Z" }, { "step": "kaala", "text": "Moonrise is at 22:26 on the 27th and 23:05 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 6665 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Friday 28 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-06-28", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Friday 28 June. Caturthī runs from 00:17 on Fri 28 Jun to 01:18 on Sat 29 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-07-06", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27101, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-07-05T13:30:45+03:00", "utc": "2002-07-05T10:30:45Z", "ms": 1025865044635.8306 }, "end": { "local": "2002-07-06T14:48:18+03:00", "utc": "2002-07-06T11:48:18Z", "ms": 1025956097912.5802 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-05T13:30:45+03:00", "utc": "2002-07-05T10:30:45Z", "ms": 1025865044635.8306 }, "end": { "local": "2002-07-06T14:48:18+03:00", "utc": "2002-07-06T11:48:18Z", "ms": 1025956097912.5802 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-07-05", "window": { "start": { "local": "2002-07-05T05:59:04+03:00", "utc": "2002-07-05T02:59:04Z", "ms": 1025837943837.7142 }, "end": { "local": "2002-07-05T05:59:04+03:00", "utc": "2002-07-05T02:59:04Z", "ms": 1025837943837.7142 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-07-06", "window": { "start": { "local": "2002-07-06T05:59:31+03:00", "utc": "2002-07-06T02:59:31Z", "ms": 1025924370569.2102 }, "end": { "local": "2002-07-06T05:59:31+03:00", "utc": "2002-07-06T02:59:31Z", "ms": 1025924370569.2102 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:31 on Fri 5 Jul to 14:48 on Sat 6 Jul.", "fact": "2002-07-05T10:30:45Z → 2002-07-06T11:48:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 5th and 06:00 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 27101 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Cairo, 2002: Saturday 6 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": "2002-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-06", "confidence": "determinate" } ], "quote": "In Cairo, Yoginī Ekādaśī 2002 falls on Saturday 6 July. Ekādaśī runs from 13:31 on Fri 5 Jul to 14:48 on Sat 6 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-07-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16333, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-07-07T15:27:21+03:00", "utc": "2002-07-07T12:27:21Z", "ms": 1026044841134.4435 }, "end": { "local": "2002-07-08T15:25:27+03:00", "utc": "2002-07-08T12:25:27Z", "ms": 1026131127010.5704 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-07T15:27:21+03:00", "utc": "2002-07-07T12:27:21Z", "ms": 1026044841134.4435 }, "end": { "local": "2002-07-08T15:25:27+03:00", "utc": "2002-07-08T12:25:27Z", "ms": 1026131127010.5704 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-07-07", "window": { "start": { "local": "2002-07-07T19:59:34+03:00", "utc": "2002-07-07T16:59:34Z", "ms": 1026061174011.8989 }, "end": { "local": "2002-07-07T21:19:41+03:00", "utc": "2002-07-07T18:19:41Z", "ms": 1026065980979.274 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2002-07-08", "window": { "start": { "local": "2002-07-08T19:59:24+03:00", "utc": "2002-07-08T16:59:24Z", "ms": 1026147564402.1199 }, "end": { "local": "2002-07-08T21:19:37+03:00", "utc": "2002-07-08T18:19:37Z", "ms": 1026152376503.6748 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:27 on Sun 7 Jul to 15:25 on Mon 8 Jul.", "fact": "2002-07-07T12:27:21Z → 2002-07-08T12:25:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:00–21:20 on the 7th, 19:59–21:20 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 80 of 80 minutes on the 7th and 0 of 80 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 16333 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Sunday 7 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": "2002-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-07", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Sunday 7 July. Trayodaśī runs from 15:27 on Sun 7 Jul to 15:25 on Mon 8 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-07-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33043, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-07-08T15:25:27+03:00", "utc": "2002-07-08T12:25:27Z", "ms": 1026131127010.5704 }, "end": { "local": "2002-07-09T14:43:42+03:00", "utc": "2002-07-09T11:43:42Z", "ms": 1026215022191.0801 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-08T15:25:27+03:00", "utc": "2002-07-08T12:25:27Z", "ms": 1026131127010.5704 }, "end": { "local": "2002-07-09T14:43:42+03:00", "utc": "2002-07-09T11:43:42Z", "ms": 1026215022191.0801 } }, "kaala": "nishita", "days": [ { "local_date": "2002-07-08", "window": { "start": { "local": "2002-07-09T00:36:10+03:00", "utc": "2002-07-08T21:36:10Z", "ms": 1026164169782.9509 }, "end": { "local": "2002-07-09T01:24:10+03:00", "utc": "2002-07-08T22:24:10Z", "ms": 1026167049782.9509 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-07-09", "window": { "start": { "local": "2002-07-10T00:36:19+03:00", "utc": "2002-07-09T21:36:19Z", "ms": 1026250579026.3191 }, "end": { "local": "2002-07-10T01:24:19+03:00", "utc": "2002-07-09T22:24:19Z", "ms": 1026253459026.3191 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:25 on Mon 8 Jul to 14:44 on Tue 9 Jul.", "fact": "2002-07-08T12:25:27Z → 2002-07-09T11:43:42Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:36–01:24 on the 8th, 00:36–01:24 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33043 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Monday 8 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": "2002-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-08", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Monday 8 July. Caturdaśī runs from 15:25 on Mon 8 Jul to 14:44 on Tue 9 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3484, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2002-07-11T11:38:16+03:00", "utc": "2002-07-11T08:38:16Z", "ms": 1026376696445.223 }, "end": { "local": "2002-07-12T09:27:25+03:00", "utc": "2002-07-12T06:27:25Z", "ms": 1026455245264.1781 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-11T11:38:16+03:00", "utc": "2002-07-11T08:38:16Z", "ms": 1026376696445.223 }, "end": { "local": "2002-07-12T09:27:25+03:00", "utc": "2002-07-12T06:27:25Z", "ms": 1026455245264.1781 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-07-11", "window": { "start": { "local": "2002-07-11T12:36:21+03:00", "utc": "2002-07-11T09:36:21Z", "ms": 1026380180857.4092 }, "end": { "local": "2002-07-11T13:24:21+03:00", "utc": "2002-07-11T10:24:21Z", "ms": 1026383060857.4092 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-07-12", "window": { "start": { "local": "2002-07-12T12:36:29+03:00", "utc": "2002-07-12T09:36:29Z", "ms": 1026466588500.5985 }, "end": { "local": "2002-07-12T13:24:29+03:00", "utc": "2002-07-12T10:24:29Z", "ms": 1026469468500.5985 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:38 on Thu 11 Jul to 09:27 on Fri 12 Jul.", "fact": "2002-07-11T08:38:16Z → 2002-07-12T06:27:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 11th, 12:36–13:24 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3484 s" }, { "step": "ruling", "text": "Rathayātrā, Cairo, 2002: Thursday 11 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": "2002-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-11", "confidence": "boundary" } ], "quote": "In Cairo, Rathayātrā 2002 falls on Thursday 11 July. Dvitīyā runs from 11:38 on Thu 11 Jul to 09:27 on Fri 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-07-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20143, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-07-13T07:00:53+03:00", "utc": "2002-07-13T04:00:53Z", "ms": 1026532853077.053 }, "end": { "local": "2002-07-14T04:25:58+03:00", "utc": "2002-07-14T01:25:58Z", "ms": 1026609958193.2892 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-13T07:00:53+03:00", "utc": "2002-07-13T04:00:53Z", "ms": 1026532853077.053 }, "end": { "local": "2002-07-14T04:25:58+03:00", "utc": "2002-07-14T01:25:58Z", "ms": 1026609958193.2892 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-07-13", "window": { "start": { "local": "2002-07-13T12:36:36+03:00", "utc": "2002-07-13T09:36:36Z", "ms": 1026552995676.7828 }, "end": { "local": "2002-07-13T13:24:36+03:00", "utc": "2002-07-13T10:24:36Z", "ms": 1026555875676.7828 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-07-14", "window": { "start": { "local": "2002-07-14T12:36:42+03:00", "utc": "2002-07-14T09:36:42Z", "ms": 1026639402366.7539 }, "end": { "local": "2002-07-14T13:24:42+03:00", "utc": "2002-07-14T10:24:42Z", "ms": 1026642282366.7539 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:01 on Sat 13 Jul to 04:26 on Sun 14 Jul.", "fact": "2002-07-13T04:00:53Z → 2002-07-14T01:25:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 13th, 12:37–13:25 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 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20143 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Saturday 13 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": "2002-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-13", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Saturday 13 July. Caturthī runs from 07:01 on Sat 13 Jul to 04:26 on Sun 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29444, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-07-14T04:25:58+03:00", "utc": "2002-07-14T01:25:58Z", "ms": 1026609958193.2892 }, "end": { "local": "2002-07-15T01:49:26+03:00", "utc": "2002-07-14T22:49:26Z", "ms": 1026686966392.0077 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-14T04:25:58+03:00", "utc": "2002-07-14T01:25:58Z", "ms": 1026609958193.2892 }, "end": { "local": "2002-07-15T01:49:26+03:00", "utc": "2002-07-14T22:49:26Z", "ms": 1026686966392.0077 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-07-14", "window": { "start": { "local": "2002-07-14T12:36:42+03:00", "utc": "2002-07-14T09:36:42Z", "ms": 1026639402366.7539 }, "end": { "local": "2002-07-14T13:24:42+03:00", "utc": "2002-07-14T10:24:42Z", "ms": 1026642282366.7539 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-07-15", "window": { "start": { "local": "2002-07-15T12:36:49+03:00", "utc": "2002-07-15T09:36:49Z", "ms": 1026725808553.0559 }, "end": { "local": "2002-07-15T13:24:49+03:00", "utc": "2002-07-15T10:24:49Z", "ms": 1026728688553.0559 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:26 on Sun 14 Jul to 01:49 on Mon 15 Jul.", "fact": "2002-07-14T01:25:58Z → 2002-07-14T22:49:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 14th, 12:37–13:25 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 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29444 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Cairo, 2002: Sunday 14 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": "2002-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-14", "confidence": "determinate" } ], "quote": "In Cairo, Skanda Pañcamī 2002 falls on Sunday 14 July. Pañcamī runs from 04:26 on Sun 14 Jul to 01:49 on Mon 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26949, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-07-15T23:17:12+03:00", "utc": "2002-07-15T20:17:12Z", "ms": 1026764231648.2192 }, "end": { "local": "2002-07-16T20:54:04+03:00", "utc": "2002-07-16T17:54:04Z", "ms": 1026842043714.9265 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-15T23:17:12+03:00", "utc": "2002-07-15T20:17:12Z", "ms": 1026764231648.2192 }, "end": { "local": "2002-07-16T20:54:04+03:00", "utc": "2002-07-16T17:54:04Z", "ms": 1026842043714.9265 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-07-15", "window": { "start": { "local": "2002-07-15T12:36:49+03:00", "utc": "2002-07-15T09:36:49Z", "ms": 1026725808553.0559 }, "end": { "local": "2002-07-15T13:24:49+03:00", "utc": "2002-07-15T10:24:49Z", "ms": 1026728688553.0559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-07-16", "window": { "start": { "local": "2002-07-16T12:36:54+03:00", "utc": "2002-07-16T09:36:54Z", "ms": 1026812214220.2532 }, "end": { "local": "2002-07-16T13:24:54+03:00", "utc": "2002-07-16T10:24:54Z", "ms": 1026815094220.2532 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:17 on Mon 15 Jul to 20:54 on Tue 16 Jul.", "fact": "2002-07-15T20:17:12Z → 2002-07-16T17:54:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 15th, 12:37–13:25 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26949 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Cairo, 2002: Tuesday 16 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": "2002-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-16", "confidence": "determinate" } ], "quote": "In Cairo, Vivasvat Saptamī 2002 falls on Tuesday 16 July. Saptamī runs from 23:17 on Mon 15 Jul to 20:54 on Tue 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-07-20", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27902, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-07-19T15:11:05+03:00", "utc": "2002-07-19T12:11:05Z", "ms": 1027080665078.7681 }, "end": { "local": "2002-07-20T13:51:50+03:00", "utc": "2002-07-20T10:51:50Z", "ms": 1027162310341.4664 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-19T15:11:05+03:00", "utc": "2002-07-19T12:11:05Z", "ms": 1027080665078.7681 }, "end": { "local": "2002-07-20T13:51:50+03:00", "utc": "2002-07-20T10:51:50Z", "ms": 1027162310341.4664 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-07-19", "window": { "start": { "local": "2002-07-19T06:06:14+03:00", "utc": "2002-07-19T03:06:14Z", "ms": 1027047973922.8779 }, "end": { "local": "2002-07-19T06:06:14+03:00", "utc": "2002-07-19T03:06:14Z", "ms": 1027047973922.8779 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-07-20", "window": { "start": { "local": "2002-07-20T06:06:48+03:00", "utc": "2002-07-20T03:06:48Z", "ms": 1027134408037.3339 }, "end": { "local": "2002-07-20T06:06:48+03:00", "utc": "2002-07-20T03:06:48Z", "ms": 1027134408037.3339 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:11 on Fri 19 Jul to 13:52 on Sat 20 Jul.", "fact": "2002-07-19T12:11:05Z → 2002-07-20T10:51:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 19th and 06:07 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27902 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Cairo, 2002: Saturday 20 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": "2002-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-20", "confidence": "determinate" } ], "quote": "In Cairo, Hariśayanī Ekādaśī 2002 falls on Saturday 20 July. Ekādaśī runs from 15:11 on Fri 19 Jul to 13:52 on Sat 20 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-07-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25372, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-07-21T12:52:15+03:00", "utc": "2002-07-21T09:52:15Z", "ms": 1027245134751.8438 }, "end": { "local": "2002-07-22T12:13:41+03:00", "utc": "2002-07-22T09:13:41Z", "ms": 1027329221411.1239 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-21T12:52:15+03:00", "utc": "2002-07-21T09:52:15Z", "ms": 1027245134751.8438 }, "end": { "local": "2002-07-22T12:13:41+03:00", "utc": "2002-07-22T09:13:41Z", "ms": 1027329221411.1239 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-07-21", "window": { "start": { "local": "2002-07-21T19:55:06+03:00", "utc": "2002-07-21T16:55:06Z", "ms": 1027270506301.1635 }, "end": { "local": "2002-07-21T21:16:49+03:00", "utc": "2002-07-21T18:16:49Z", "ms": 1027275409075.9791 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2002-07-22", "window": { "start": { "local": "2002-07-22T19:54:36+03:00", "utc": "2002-07-22T16:54:36Z", "ms": 1027356876307.8527 }, "end": { "local": "2002-07-22T21:16:28+03:00", "utc": "2002-07-22T18:16:28Z", "ms": 1027361787736.8541 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:52 on Sun 21 Jul to 12:14 on Mon 22 Jul.", "fact": "2002-07-21T09:52:15Z → 2002-07-22T09:13:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:55–21:17 on the 21st, 19:55–21:16 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 21st and 0 of 82 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25372 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Sunday 21 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": "2002-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-21", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Sunday 21 July. Trayodaśī runs from 12:52 on Sun 21 Jul to 12:14 on Mon 22 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1819, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-07-23", "window": { "start": { "local": "2002-07-23T12:37:18+03:00", "utc": "2002-07-23T09:37:18Z", "ms": 1027417038473.0317 }, "end": { "local": "2002-07-23T13:25:18+03:00", "utc": "2002-07-23T10:25:18Z", "ms": 1027419918473.0317 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-07-24", "window": { "start": { "local": "2002-07-24T12:37:20+03:00", "utc": "2002-07-24T09:37:20Z", "ms": 1027503439657.5552 }, "end": { "local": "2002-07-24T13:25:20+03:00", "utc": "2002-07-24T10:25:20Z", "ms": 1027506319657.5552 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul.", "fact": "2002-07-23T08:57:56Z → 2002-07-24T09:07:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 23rd, 12:37–13:25 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1819 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Cairo, 2002: Tuesday 23 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": "2002-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-24", "confidence": "determinate" } ], "quote": "In Cairo, Guru Pūrṇimā 2002 falls on Tuesday 23 July. Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18099, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 } }, "kaala": "sayahna", "days": [ { "local_date": "2002-07-23", "window": { "start": { "local": "2002-07-23T17:08:58+03:00", "utc": "2002-07-23T14:08:58Z", "ms": 1027433338341.6327 }, "end": { "local": "2002-07-23T19:54:05+03:00", "utc": "2002-07-23T16:54:05Z", "ms": 1027443244920.7 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "2002-07-24", "window": { "start": { "local": "2002-07-24T17:08:39+03:00", "utc": "2002-07-24T14:08:39Z", "ms": 1027519719156.4989 }, "end": { "local": "2002-07-24T19:53:32+03:00", "utc": "2002-07-24T16:53:32Z", "ms": 1027529612155.7947 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul.", "fact": "2002-07-23T08:57:56Z → 2002-07-24T09:07:00Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:09–19:54 on the 23rd, 17:09–19:54 on the 24th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 165 of 165 minutes on the 23rd and 0 of 165 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18099 s" }, { "step": "ruling", "text": "Kokilā Vrata, Cairo, 2002: Tuesday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-23", "confidence": "determinate" } ], "quote": "In Cairo, Kokilā Vrata 2002 falls on Tuesday 23 July. Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27992, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-07-23", "window": { "start": { "local": "2002-07-23T19:54:05+03:00", "utc": "2002-07-23T16:54:05Z", "ms": 1027443244920.7 }, "end": { "local": "2002-07-23T21:16:05+03:00", "utc": "2002-07-23T18:16:05Z", "ms": 1027448165219.182 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "2002-07-24", "window": { "start": { "local": "2002-07-24T19:53:32+03:00", "utc": "2002-07-24T16:53:32Z", "ms": 1027529612155.7947 }, "end": { "local": "2002-07-24T21:15:42+03:00", "utc": "2002-07-24T18:15:42Z", "ms": 1027534541534.125 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul.", "fact": "2002-07-23T08:57:56Z → 2002-07-24T09:07:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:16 on the 23rd, 19:54–21:16 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 82 of 82 minutes on the 23rd and 0 of 82 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27992 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Cairo, 2002: Tuesday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-23", "confidence": "determinate" } ], "quote": "In Cairo, Śiva Śayanotsava 2002 falls on Tuesday 23 July. Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11057, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2002-07-23T11:57:56+03:00", "utc": "2002-07-23T08:57:56Z", "ms": 1027414675664.1796 }, "end": { "local": "2002-07-24T12:07:00+03:00", "utc": "2002-07-24T09:07:00Z", "ms": 1027501620186.945 } }, "kaala": "udaya-3", "days": [ { "local_date": "2002-07-23", "window": { "start": { "local": "2002-07-23T06:08:32+03:00", "utc": "2002-07-23T03:08:32Z", "ms": 1027393712025.3636 }, "end": { "local": "2002-07-23T08:53:39+03:00", "utc": "2002-07-23T05:53:39Z", "ms": 1027403618604.4309 } }, "covered_min": 0, "window_min": 165, "qualifies": false }, { "local_date": "2002-07-24", "window": { "start": { "local": "2002-07-24T06:09:07+03:00", "utc": "2002-07-24T03:09:07Z", "ms": 1027480147159.3157 }, "end": { "local": "2002-07-24T08:54:00+03:00", "utc": "2002-07-24T05:54:00Z", "ms": 1027490040158.6115 } }, "covered_min": 165, "window_min": 165, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul.", "fact": "2002-07-23T08:57:56Z → 2002-07-24T09:07:00Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:09–08:54 on the 23rd, 06:09–08:54 on the 24th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 165 minutes on the 23rd and 165 of 165 on the 24th.", "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 11057 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Cairo, 2002: Wednesday 24 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": "2002-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-24", "confidence": "determinate" } ], "quote": "In Cairo, Vyāsa Pūjā 2002 falls on Wednesday 24 July. Pūrṇimā runs from 11:58 on Tue 23 Jul to 12:07 on Wed 24 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28251, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2002-07-25T12:42:53+03:00", "utc": "2002-07-25T09:42:53Z", "ms": 1027590173104.2684 }, "end": { "local": "2002-07-26T13:46:49+03:00", "utc": "2002-07-26T10:46:49Z", "ms": 1027680409368.177 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-07-25T12:42:53+03:00", "utc": "2002-07-25T09:42:53Z", "ms": 1027590173104.2684 }, "end": { "local": "2002-07-26T13:46:49+03:00", "utc": "2002-07-26T10:46:49Z", "ms": 1027680409368.177 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-07-25", "window": { "start": { "local": "2002-07-25T21:01:28+03:00", "utc": "2002-07-25T18:01:28Z", "ms": 1027620088205.3174 }, "end": { "local": "2002-07-25T21:01:28+03:00", "utc": "2002-07-25T18:01:28Z", "ms": 1027620088205.3174 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-07-26", "window": { "start": { "local": "2002-07-26T21:37:40+03:00", "utc": "2002-07-26T18:37:40Z", "ms": 1027708660476.1831 }, "end": { "local": "2002-07-26T21:37:40+03:00", "utc": "2002-07-26T18:37:40Z", "ms": 1027708660476.1831 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:43 on Thu 25 Jul to 13:47 on Fri 26 Jul.", "fact": "2002-07-25T09:42:53Z → 2002-07-26T10:46:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 25th and 21:38 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28251 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Cairo, 2002: Thursday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-25", "confidence": "determinate" } ], "quote": "In Cairo, Aśūnya Śayana Vrata (Āṣāḍha) 2002 falls on Thursday 25 July. Dvitīyā runs from 12:43 on Thu 25 Jul to 13:47 on Fri 26 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-07-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19471, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-07-27T15:18:29+03:00", "utc": "2002-07-27T12:18:29Z", "ms": 1027772309210.0541 }, "end": { "local": "2002-07-28T17:15:03+03:00", "utc": "2002-07-28T14:15:03Z", "ms": 1027865702608.6147 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-07-27T15:18:29+03:00", "utc": "2002-07-27T12:18:29Z", "ms": 1027772309210.0541 }, "end": { "local": "2002-07-28T17:15:03+03:00", "utc": "2002-07-28T14:15:03Z", "ms": 1027865702608.6147 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-07-27", "window": { "start": { "local": "2002-07-27T22:09:56+03:00", "utc": "2002-07-27T19:09:56Z", "ms": 1027796996493.7863 }, "end": { "local": "2002-07-27T22:09:56+03:00", "utc": "2002-07-27T19:09:56Z", "ms": 1027796996493.7863 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-07-28", "window": { "start": { "local": "2002-07-28T22:39:33+03:00", "utc": "2002-07-28T19:39:33Z", "ms": 1027885173382.3906 }, "end": { "local": "2002-07-28T22:39:33+03:00", "utc": "2002-07-28T19:39:33Z", "ms": 1027885173382.3906 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:18 on Sat 27 Jul to 17:15 on Sun 28 Jul.", "fact": "2002-07-27T12:18:29Z → 2002-07-28T14:15:03Z" }, { "step": "kaala", "text": "Moonrise is at 22:10 on the 27th and 22:40 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19471 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Saturday 27 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": "2002-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-07-27", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Saturday 27 July. Caturthī runs from 15:18 on Sat 27 Jul to 17:15 on Sun 28 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-08-04", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4553, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-08-04T04:51:39+03:00", "utc": "2002-08-04T01:51:39Z", "ms": 1028425899466.841 }, "end": { "local": "2002-08-05T05:00:26+03:00", "utc": "2002-08-05T02:00:26Z", "ms": 1028512826280.0292 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-04T04:51:39+03:00", "utc": "2002-08-04T01:51:39Z", "ms": 1028425899466.841 }, "end": { "local": "2002-08-05T05:00:26+03:00", "utc": "2002-08-05T02:00:26Z", "ms": 1028512826280.0292 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-08-04", "window": { "start": { "local": "2002-08-04T06:15:43+03:00", "utc": "2002-08-04T03:15:43Z", "ms": 1028430942634.6648 }, "end": { "local": "2002-08-04T06:15:43+03:00", "utc": "2002-08-04T03:15:43Z", "ms": 1028430942634.6648 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-08-05", "window": { "start": { "local": "2002-08-05T06:16:19+03:00", "utc": "2002-08-05T03:16:19Z", "ms": 1028517378932.9117 }, "end": { "local": "2002-08-05T06:16:19+03:00", "utc": "2002-08-05T03:16:19Z", "ms": 1028517378932.9117 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:52 on Sun 4 Aug to 05:00 on Mon 5 Aug.", "fact": "2002-08-04T01:51:39Z → 2002-08-05T02:00:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 4th and 06:16 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4553 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Cairo, 2002: Sunday 4 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": "2002-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-04", "confidence": "determinate" } ], "quote": "In Cairo, Kāmikā Ekādaśī 2002 falls on Sunday 4 August. Ekādaśī runs from 04:52 on Sun 4 Aug to 05:00 on Mon 5 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-08-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-08-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20854, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-08-06T04:21:14+03:00", "utc": "2002-08-06T01:21:14Z", "ms": 1028596874233.0082 }, "end": { "local": "2002-08-07T02:56:28+03:00", "utc": "2002-08-06T23:56:28Z", "ms": 1028678187639.8971 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-06T04:21:14+03:00", "utc": "2002-08-06T01:21:14Z", "ms": 1028596874233.0082 }, "end": { "local": "2002-08-07T02:56:28+03:00", "utc": "2002-08-06T23:56:28Z", "ms": 1028678187639.8971 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-08-05", "window": { "start": { "local": "2002-08-05T19:45:18+03:00", "utc": "2002-08-05T16:45:18Z", "ms": 1028565917851.7979 }, "end": { "local": "2002-08-05T21:09:31+03:00", "utc": "2002-08-05T18:09:31Z", "ms": 1028570970833.3286 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2002-08-06", "window": { "start": { "local": "2002-08-06T19:44:29+03:00", "utc": "2002-08-06T16:44:29Z", "ms": 1028652268789.3278 }, "end": { "local": "2002-08-06T21:08:53+03:00", "utc": "2002-08-06T18:08:53Z", "ms": 1028657333145.1846 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:21 on Tue 6 Aug to 02:56 on Wed 7 Aug.", "fact": "2002-08-06T01:21:14Z → 2002-08-06T23:56:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:45–21:10 on the 5th, 19:44–21:09 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 5th and 84 of 84 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20854 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Tuesday 6 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": "2002-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-06", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Tuesday 6 August. Trayodaśī runs from 04:21 on Tue 6 Aug to 02:56 on Wed 7 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-08-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 894, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-08-07T02:56:28+03:00", "utc": "2002-08-06T23:56:28Z", "ms": 1028678187639.8971 }, "end": { "local": "2002-08-08T00:51:47+03:00", "utc": "2002-08-07T21:51:47Z", "ms": 1028757107383.2092 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-07T02:56:28+03:00", "utc": "2002-08-06T23:56:28Z", "ms": 1028678187639.8971 }, "end": { "local": "2002-08-08T00:51:47+03:00", "utc": "2002-08-07T21:51:47Z", "ms": 1028757107383.2092 } }, "kaala": "nishita", "days": [ { "local_date": "2002-08-06", "window": { "start": { "local": "2002-08-07T00:37:00+03:00", "utc": "2002-08-06T21:37:00Z", "ms": 1028669820123.7905 }, "end": { "local": "2002-08-07T01:25:00+03:00", "utc": "2002-08-06T22:25:00Z", "ms": 1028672700123.7905 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-08-07", "window": { "start": { "local": "2002-08-08T00:36:53+03:00", "utc": "2002-08-07T21:36:53Z", "ms": 1028756213126.6522 }, "end": { "local": "2002-08-08T01:24:53+03:00", "utc": "2002-08-07T22:24:53Z", "ms": 1028759093126.6522 } }, "covered_min": 15, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:56 on Wed 7 Aug to 00:52 on Thu 8 Aug.", "fact": "2002-08-06T23:56:28Z → 2002-08-07T21:51:47Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:37–01:25 on the 6th, 00:37–01:25 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 15 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 894 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Wednesday 7 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": "2002-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-07", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Wednesday 7 August. Caturdaśī runs from 02:56 on Wed 7 Aug to 00:52 on Thu 8 Aug and covers 15 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 782, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-08-10T16:03:59+03:00", "utc": "2002-08-10T13:03:59Z", "ms": 1028984638542.4103 }, "end": { "local": "2002-08-11T12:49:03+03:00", "utc": "2002-08-11T09:49:03Z", "ms": 1029059343259.4797 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-10T16:03:59+03:00", "utc": "2002-08-10T13:03:59Z", "ms": 1028984638542.4103 }, "end": { "local": "2002-08-11T12:49:03+03:00", "utc": "2002-08-11T09:49:03Z", "ms": 1029059343259.4797 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-10", "window": { "start": { "local": "2002-08-10T12:36:11+03:00", "utc": "2002-08-10T09:36:11Z", "ms": 1028972170642.7507 }, "end": { "local": "2002-08-10T13:24:11+03:00", "utc": "2002-08-10T10:24:11Z", "ms": 1028975050642.7507 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-08-11", "window": { "start": { "local": "2002-08-11T12:36:01+03:00", "utc": "2002-08-11T09:36:01Z", "ms": 1029058561356.4999 }, "end": { "local": "2002-08-11T13:24:01+03:00", "utc": "2002-08-11T10:24:01Z", "ms": 1029061441356.4999 } }, "covered_min": 13, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:04 on Sat 10 Aug to 12:49 on Sun 11 Aug.", "fact": "2002-08-10T13:03:59Z → 2002-08-11T09:49:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 10th, 12:36–13:24 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 13 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 782 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Cairo, 2002: Sunday 11 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": "2002-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-11", "confidence": "determinate" } ], "quote": "In Cairo, Madhusravā Tṛtīyā (Hariyali Teej) 2002 falls on Sunday 11 August. Tṛtīyā runs from 16:04 on Sat 10 Aug to 12:49 on Sun 11 Aug and covers 13 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-08-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 782, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-08-11T12:49:03+03:00", "utc": "2002-08-11T09:49:03Z", "ms": 1029059343259.4797 }, "end": { "local": "2002-08-12T09:40:24+03:00", "utc": "2002-08-12T06:40:24Z", "ms": 1029134423506.4694 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-11T12:49:03+03:00", "utc": "2002-08-11T09:49:03Z", "ms": 1029059343259.4797 }, "end": { "local": "2002-08-12T09:40:24+03:00", "utc": "2002-08-12T06:40:24Z", "ms": 1029134423506.4694 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-11", "window": { "start": { "local": "2002-08-11T12:36:01+03:00", "utc": "2002-08-11T09:36:01Z", "ms": 1029058561356.4999 }, "end": { "local": "2002-08-11T13:24:01+03:00", "utc": "2002-08-11T10:24:01Z", "ms": 1029061441356.4999 } }, "covered_min": 35, "window_min": 48, "qualifies": true }, { "local_date": "2002-08-12", "window": { "start": { "local": "2002-08-12T12:35:51+03:00", "utc": "2002-08-12T09:35:51Z", "ms": 1029144951495.0416 }, "end": { "local": "2002-08-12T13:23:51+03:00", "utc": "2002-08-12T10:23:51Z", "ms": 1029147831495.0416 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:49 on Sun 11 Aug to 09:40 on Mon 12 Aug.", "fact": "2002-08-11T09:49:03Z → 2002-08-12T06:40:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 11th, 12:36–13:24 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 35 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 782 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Sunday 11 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": "2002-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-11", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Sunday 11 August. Caturthī runs from 12:49 on Sun 11 Aug to 09:40 on Mon 12 Aug and covers 35 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10528, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-08-12T09:40:24+03:00", "utc": "2002-08-12T06:40:24Z", "ms": 1029134423506.4694 }, "end": { "local": "2002-08-13T06:46:07+03:00", "utc": "2002-08-13T03:46:07Z", "ms": 1029210366672.0983 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-12T09:40:24+03:00", "utc": "2002-08-12T06:40:24Z", "ms": 1029134423506.4694 }, "end": { "local": "2002-08-13T06:46:07+03:00", "utc": "2002-08-13T03:46:07Z", "ms": 1029210366672.0983 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-12", "window": { "start": { "local": "2002-08-12T12:35:51+03:00", "utc": "2002-08-12T09:35:51Z", "ms": 1029144951495.0416 }, "end": { "local": "2002-08-12T13:23:51+03:00", "utc": "2002-08-12T10:23:51Z", "ms": 1029147831495.0416 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-08-13", "window": { "start": { "local": "2002-08-13T12:35:41+03:00", "utc": "2002-08-13T09:35:41Z", "ms": 1029231341062.6927 }, "end": { "local": "2002-08-13T13:23:41+03:00", "utc": "2002-08-13T10:23:41Z", "ms": 1029234221062.6927 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:40 on Mon 12 Aug to 06:46 on Tue 13 Aug.", "fact": "2002-08-12T06:40:24Z → 2002-08-13T03:46:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:36–13:24 on the 12th, 12:36–13:24 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10528 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Cairo, 2002: Monday 12 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": "2002-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-12", "confidence": "determinate" } ], "quote": "In Cairo, Nāga Pañcamī 2002 falls on Monday 12 August. Pañcamī runs from 09:40 on Mon 12 Aug to 06:46 on Tue 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-08-18", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28043, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-08-17T22:36:41+03:00", "utc": "2002-08-17T19:36:41Z", "ms": 1029613000750.8091 }, "end": { "local": "2002-08-18T22:23:22+03:00", "utc": "2002-08-18T19:23:22Z", "ms": 1029698601962.9952 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-17T22:36:41+03:00", "utc": "2002-08-17T19:36:41Z", "ms": 1029613000750.8091 }, "end": { "local": "2002-08-18T22:23:22+03:00", "utc": "2002-08-18T19:23:22Z", "ms": 1029698601962.9952 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-08-18", "window": { "start": { "local": "2002-08-18T06:24:03+03:00", "utc": "2002-08-18T03:24:03Z", "ms": 1029641043390.4084 }, "end": { "local": "2002-08-18T06:24:03+03:00", "utc": "2002-08-18T03:24:03Z", "ms": 1029641043390.4084 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-08-19", "window": { "start": { "local": "2002-08-19T06:24:38+03:00", "utc": "2002-08-19T03:24:38Z", "ms": 1029727478141.9442 }, "end": { "local": "2002-08-19T06:24:38+03:00", "utc": "2002-08-19T03:24:38Z", "ms": 1029727478141.9442 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:37 on Sat 17 Aug to 22:23 on Sun 18 Aug.", "fact": "2002-08-17T19:36:41Z → 2002-08-18T19:23:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 18th and 06:25 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28043 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Cairo, 2002: Sunday 18 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": "2002-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-18", "confidence": "determinate" } ], "quote": "In Cairo, Putradā Ekādaśī 2002 falls on Sunday 18 August. Ekādaśī runs from 22:37 on Sat 17 Aug to 22:23 on Sun 18 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32441, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-08-18T22:23:22+03:00", "utc": "2002-08-18T19:23:22Z", "ms": 1029698601962.9952 }, "end": { "local": "2002-08-19T22:35:19+03:00", "utc": "2002-08-19T19:35:19Z", "ms": 1029785719401.7734 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-18T22:23:22+03:00", "utc": "2002-08-18T19:23:22Z", "ms": 1029698601962.9952 }, "end": { "local": "2002-08-19T22:35:19+03:00", "utc": "2002-08-19T19:35:19Z", "ms": 1029785719401.7734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-18", "window": { "start": { "local": "2002-08-18T12:34:41+03:00", "utc": "2002-08-18T09:34:41Z", "ms": 1029663280615.223 }, "end": { "local": "2002-08-18T13:22:41+03:00", "utc": "2002-08-18T10:22:41Z", "ms": 1029666160615.223 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-08-19", "window": { "start": { "local": "2002-08-19T12:34:27+03:00", "utc": "2002-08-19T09:34:27Z", "ms": 1029749666945.9028 }, "end": { "local": "2002-08-19T13:22:27+03:00", "utc": "2002-08-19T10:22:27Z", "ms": 1029752546945.9028 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:23 on Sun 18 Aug to 22:35 on Mon 19 Aug.", "fact": "2002-08-18T19:23:22Z → 2002-08-19T19:35:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 18th, 12:34–13:22 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32441 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Cairo, 2002: Monday 19 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": "2002-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-19", "confidence": "determinate" } ], "quote": "In Cairo, Dāmodara Dvādaśī 2002 falls on Monday 19 August. Dvādaśī runs from 22:23 on Sun 18 Aug to 22:35 on Mon 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-08-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5760, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-08-19T22:35:19+03:00", "utc": "2002-08-19T19:35:19Z", "ms": 1029785719401.7734 }, "end": { "local": "2002-08-20T23:10:55+03:00", "utc": "2002-08-20T20:10:55Z", "ms": 1029874254999.2201 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-19T22:35:19+03:00", "utc": "2002-08-19T19:35:19Z", "ms": 1029785719401.7734 }, "end": { "local": "2002-08-20T23:10:55+03:00", "utc": "2002-08-20T20:10:55Z", "ms": 1029874254999.2201 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-08-19", "window": { "start": { "local": "2002-08-19T19:32:16+03:00", "utc": "2002-08-19T16:32:16Z", "ms": 1029774735749.8615 }, "end": { "local": "2002-08-19T20:59:19+03:00", "utc": "2002-08-19T17:59:19Z", "ms": 1029779959347.4097 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "2002-08-20", "window": { "start": { "local": "2002-08-20T19:31:13+03:00", "utc": "2002-08-20T16:31:13Z", "ms": 1029861072831.385 }, "end": { "local": "2002-08-20T20:58:29+03:00", "utc": "2002-08-20T17:58:29Z", "ms": 1029866309408.7035 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:35 on Mon 19 Aug to 23:11 on Tue 20 Aug.", "fact": "2002-08-19T19:35:19Z → 2002-08-20T20:10:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:32–20:59 on the 19th, 19:31–20:58 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 19th and 87 of 87 on the 20th.", "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 5760 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Tuesday 20 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": "2002-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-20", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Tuesday 20 August. Trayodaśī runs from 22:35 on Mon 19 Aug to 23:11 on Tue 20 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17861, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-08-22T00:09:05+03:00", "utc": "2002-08-21T21:09:05Z", "ms": 1029964145269.2114 }, "end": { "local": "2002-08-23T01:29:15+03:00", "utc": "2002-08-22T22:29:15Z", "ms": 1030055354887.8727 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2002-08-22T12:46:27+03:00", "utc": "2002-08-22T09:46:27Z", "ms": 1030009586952.0736 }, "end": { "local": "2002-08-23T01:29:15+03:00", "utc": "2002-08-22T22:29:15Z", "ms": 1030055354887.8727 } }, "kaala": "day", "days": [ { "local_date": "2002-08-22", "window": { "start": { "local": "2002-08-22T06:26:21+03:00", "utc": "2002-08-22T03:26:21Z", "ms": 1029986781434.8257 }, "end": { "local": "2002-08-23T06:26:56+03:00", "utc": "2002-08-23T03:26:56Z", "ms": 1030073215556.6034 } }, "covered_min": 763, "window_min": 1441, "qualifies": true }, { "local_date": "2002-08-23", "window": { "start": { "local": "2002-08-23T06:26:56+03:00", "utc": "2002-08-23T03:26:56Z", "ms": 1030073215556.6034 }, "end": { "local": "2002-08-24T06:27:30+03:00", "utc": "2002-08-24T03:27:30Z", "ms": 1030159649531.8737 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:09 on Thu 22 Aug to 01:29 on Fri 23 Aug. Its second half begins at 12:46 on Thu 22 Aug.", "fact": "2002-08-21T21:09:05Z → 2002-08-22T22:29:15Z · second half from 2002-08-22T09:46:27Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:26 on the 22nd, and from 06:27 on the 23rd.", "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 763 of 1441 minutes on the 22nd and 0 of 1441 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17861 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Cairo, 2002: Thursday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-22", "confidence": "determinate" } ], "quote": "In Cairo, Rakṣā Bandhana (Rakhi) 2002 falls on Thursday 22 August. The second half of Pūrṇimā runs from 12:46 on Thu 22 Aug to 01:29 on Fri 23 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38827, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-08-22T00:09:05+03:00", "utc": "2002-08-21T21:09:05Z", "ms": 1029964145269.2114 }, "end": { "local": "2002-08-23T01:29:15+03:00", "utc": "2002-08-22T22:29:15Z", "ms": 1030055354887.8727 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2002-08-22T00:09:05+03:00", "utc": "2002-08-21T21:09:05Z", "ms": 1029964145269.2114 }, "end": { "local": "2002-08-23T01:29:15+03:00", "utc": "2002-08-22T22:29:15Z", "ms": 1030055354887.8727 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-21", "window": { "start": { "local": "2002-08-21T12:33:58+03:00", "utc": "2002-08-21T09:33:58Z", "ms": 1029922438137.0676 }, "end": { "local": "2002-08-21T13:21:58+03:00", "utc": "2002-08-21T10:21:58Z", "ms": 1029925318137.0676 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-08-22", "window": { "start": { "local": "2002-08-22T12:33:43+03:00", "utc": "2002-08-22T09:33:43Z", "ms": 1030008823028.6948 }, "end": { "local": "2002-08-22T13:21:43+03:00", "utc": "2002-08-22T10:21:43Z", "ms": 1030011703028.6948 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:09 on Thu 22 Aug to 01:29 on Fri 23 Aug.", "fact": "2002-08-21T21:09:05Z → 2002-08-22T22:29:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 21st, 12:34–13:22 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38827 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Cairo, 2002: Thursday 22 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": "2002-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-22", "confidence": "determinate" } ], "quote": "In Cairo, Ṛṣi Tarpaṇa 2002 falls on Thursday 22 August. Pūrṇimā runs from 00:09 on Thu 22 Aug to 01:29 on Fri 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25228, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2002-08-24T03:10:46+03:00", "utc": "2002-08-24T00:10:46Z", "ms": 1030147846198.8112 }, "end": { "local": "2002-08-25T05:12:10+03:00", "utc": "2002-08-25T02:12:10Z", "ms": 1030241529752.9069 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-24T03:10:46+03:00", "utc": "2002-08-24T00:10:46Z", "ms": 1030147846198.8112 }, "end": { "local": "2002-08-25T05:12:10+03:00", "utc": "2002-08-25T02:12:10Z", "ms": 1030241529752.9069 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-08-23", "window": { "start": { "local": "2002-08-23T20:10:18+03:00", "utc": "2002-08-23T17:10:18Z", "ms": 1030122618293.1403 }, "end": { "local": "2002-08-23T20:10:18+03:00", "utc": "2002-08-23T17:10:18Z", "ms": 1030122618293.1403 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-08-24", "window": { "start": { "local": "2002-08-24T20:40:36+03:00", "utc": "2002-08-24T17:40:36Z", "ms": 1030210836192.7991 }, "end": { "local": "2002-08-24T20:40:36+03:00", "utc": "2002-08-24T17:40:36Z", "ms": 1030210836192.7991 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:11 on Sat 24 Aug to 05:12 on Sun 25 Aug.", "fact": "2002-08-24T00:10:46Z → 2002-08-25T02:12:10Z" }, { "step": "kaala", "text": "Moonrise is at 20:10 on the 23rd and 20:41 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25228 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Cairo, 2002: Saturday 24 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": "2002-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-24", "confidence": "determinate" } ], "quote": "In Cairo, Aśūnya Śayana Vrata 2002 falls on Saturday 24 August. Dvitīyā runs from 03:11 on Sat 24 Aug to 05:12 on Sun 25 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18152, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-08-25T05:12:10+03:00", "utc": "2002-08-25T02:12:10Z", "ms": 1030241529752.9069 }, "end": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-25T05:12:10+03:00", "utc": "2002-08-25T02:12:10Z", "ms": 1030241529752.9069 }, "end": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-25", "window": { "start": { "local": "2002-08-25T12:32:55+03:00", "utc": "2002-08-25T09:32:55Z", "ms": 1030267975084.6536 }, "end": { "local": "2002-08-25T13:20:55+03:00", "utc": "2002-08-25T10:20:55Z", "ms": 1030270855084.6536 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-08-26", "window": { "start": { "local": "2002-08-26T12:32:38+03:00", "utc": "2002-08-26T09:32:38Z", "ms": 1030354358286.7092 }, "end": { "local": "2002-08-26T13:20:38+03:00", "utc": "2002-08-26T10:20:38Z", "ms": 1030357238286.7092 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:12 on Sun 25 Aug to 07:30 on Mon 26 Aug.", "fact": "2002-08-25T02:12:10Z → 2002-08-26T04:30:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 25th, 12:33–13:21 on the 26th.", "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 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: paraviddha → only-day · margin 18152 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Cairo, 2002: Sunday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-25", "confidence": "determinate" } ], "quote": "In Cairo, Kajjalī Tṛtīyā (Kajari Teej) 2002 falls on Sunday 25 August. Tṛtīyā runs from 05:12 on Sun 25 Aug to 07:30 on Mon 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24603, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 }, "end": { "local": "2002-08-27T09:58:37+03:00", "utc": "2002-08-27T06:58:37Z", "ms": 1030431516770.926 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 }, "end": { "local": "2002-08-27T09:58:37+03:00", "utc": "2002-08-27T06:58:37Z", "ms": 1030431516770.926 } }, "kaala": "sayahna", "days": [ { "local_date": "2002-08-26", "window": { "start": { "local": "2002-08-26T16:49:27+03:00", "utc": "2002-08-26T13:49:27Z", "ms": 1030369767018.6472 }, "end": { "local": "2002-08-26T19:24:40+03:00", "utc": "2002-08-26T16:24:40Z", "ms": 1030379079506.6058 } }, "covered_min": 155, "window_min": 155, "qualifies": true }, { "local_date": "2002-08-27", "window": { "start": { "local": "2002-08-27T16:48:39+03:00", "utc": "2002-08-27T13:48:39Z", "ms": 1030456119390.7444 }, "end": { "local": "2002-08-27T19:23:32+03:00", "utc": "2002-08-27T16:23:32Z", "ms": 1030465411578.5704 } }, "covered_min": 0, "window_min": 155, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:30 on Mon 26 Aug to 09:59 on Tue 27 Aug.", "fact": "2002-08-26T04:30:06Z → 2002-08-27T06:58:37Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:25 on the 26th, 16:49–19:24 on the 27th.", "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 26th and 0 of 155 on the 27th.", "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 24603 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Cairo, 2002: Monday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-26", "confidence": "determinate" } ], "quote": "In Cairo, Bahulā Caturthī 2002 falls on Monday 26 August. Caturthī runs from 07:30 on Mon 26 Aug to 09:59 on Tue 27 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-08-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37262, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 }, "end": { "local": "2002-08-27T09:58:37+03:00", "utc": "2002-08-27T06:58:37Z", "ms": 1030431516770.926 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-26T07:30:06+03:00", "utc": "2002-08-26T04:30:06Z", "ms": 1030336206364.1124 }, "end": { "local": "2002-08-27T09:58:37+03:00", "utc": "2002-08-27T06:58:37Z", "ms": 1030431516770.926 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-08-25", "window": { "start": { "local": "2002-08-25T21:09:05+03:00", "utc": "2002-08-25T18:09:05Z", "ms": 1030298944692.173 }, "end": { "local": "2002-08-25T21:09:05+03:00", "utc": "2002-08-25T18:09:05Z", "ms": 1030298944692.173 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-08-26", "window": { "start": { "local": "2002-08-26T21:36:50+03:00", "utc": "2002-08-26T18:36:50Z", "ms": 1030387010129.8289 }, "end": { "local": "2002-08-26T21:36:50+03:00", "utc": "2002-08-26T18:36:50Z", "ms": 1030387010129.8289 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:30 on Mon 26 Aug to 09:59 on Tue 27 Aug.", "fact": "2002-08-26T04:30:06Z → 2002-08-27T06:58:37Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 25th and 21:37 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "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 37262 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Monday 26 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": "2002-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-26", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Monday 26 August. Caturthī runs from 07:30 on Mon 26 Aug to 09:59 on Tue 27 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-29", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 204, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-08-28T12:28:39+03:00", "utc": "2002-08-28T09:28:39Z", "ms": 1030526919367.2694 }, "end": { "local": "2002-08-29T14:48:35+03:00", "utc": "2002-08-29T11:48:35Z", "ms": 1030621715011.701 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-28T12:28:39+03:00", "utc": "2002-08-28T09:28:39Z", "ms": 1030526919367.2694 }, "end": { "local": "2002-08-29T14:48:35+03:00", "utc": "2002-08-29T11:48:35Z", "ms": 1030621715011.701 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-28", "window": { "start": { "local": "2002-08-28T12:32:04+03:00", "utc": "2002-08-28T09:32:04Z", "ms": 1030527123568.7488 }, "end": { "local": "2002-08-28T13:20:04+03:00", "utc": "2002-08-28T10:20:04Z", "ms": 1030530003568.7488 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-08-29", "window": { "start": { "local": "2002-08-29T12:31:46+03:00", "utc": "2002-08-29T09:31:46Z", "ms": 1030613505683.1406 }, "end": { "local": "2002-08-29T13:19:46+03:00", "utc": "2002-08-29T10:19:46Z", "ms": 1030616385683.1406 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:29 on Wed 28 Aug to 14:49 on Thu 29 Aug.", "fact": "2002-08-28T09:28:39Z → 2002-08-29T11:48:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 28th, 12:32–13:20 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 204 s < 300 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Cairo, 2002: Thursday 29 August.", "fact": "confidence: boundary (margin)" } ], "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": "2002-08-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-29", "confidence": "determinate" } ], "quote": "In Cairo, Hala Ṣaṣṭhī 2002 falls on Thursday 29 August. Ṣaṣṭhī runs from 12:29 on Wed 28 Aug to 14:49 on Thu 29 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 3 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23074, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-08-30T16:45:26+03:00", "utc": "2002-08-30T13:45:26Z", "ms": 1030715125581.0054 }, "end": { "local": "2002-08-31T18:06:51+03:00", "utc": "2002-08-31T15:06:51Z", "ms": 1030806410982.1825 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-30T16:45:26+03:00", "utc": "2002-08-30T13:45:26Z", "ms": 1030715125581.0054 }, "end": { "local": "2002-08-31T18:06:51+03:00", "utc": "2002-08-31T15:06:51Z", "ms": 1030806410982.1825 } }, "kaala": "nishita", "days": [ { "local_date": "2002-08-30", "window": { "start": { "local": "2002-08-31T00:31:44+03:00", "utc": "2002-08-30T21:31:44Z", "ms": 1030743104035.348 }, "end": { "local": "2002-08-31T01:19:44+03:00", "utc": "2002-08-30T22:19:44Z", "ms": 1030745984035.348 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-08-31", "window": { "start": { "local": "2002-09-01T00:31:25+03:00", "utc": "2002-08-31T21:31:25Z", "ms": 1030829485464.1843 }, "end": { "local": "2002-09-01T01:19:25+03:00", "utc": "2002-08-31T22:19:25Z", "ms": 1030832365464.1843 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:45 on Fri 30 Aug to 18:07 on Sat 31 Aug.", "fact": "2002-08-30T13:45:26Z → 2002-08-31T15:06:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 30th, 00:31–01:19 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23074 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Cairo, 2002: Friday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-30", "confidence": "determinate" } ], "quote": "In Cairo, Janmāṣṭamī 2002 falls on Friday 30 August. Aṣṭamī runs from 16:45 on Fri 30 Aug to 18:07 on Sat 31 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5329, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-08-29T14:48:35+03:00", "utc": "2002-08-29T11:48:35Z", "ms": 1030621715011.701 }, "end": { "local": "2002-08-30T16:45:26+03:00", "utc": "2002-08-30T13:45:26Z", "ms": 1030715125581.0054 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-08-29T14:48:35+03:00", "utc": "2002-08-29T11:48:35Z", "ms": 1030621715011.701 }, "end": { "local": "2002-08-30T16:45:26+03:00", "utc": "2002-08-30T13:45:26Z", "ms": 1030715125581.0054 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-08-29", "window": { "start": { "local": "2002-08-29T12:31:46+03:00", "utc": "2002-08-29T09:31:46Z", "ms": 1030613505683.1406 }, "end": { "local": "2002-08-29T13:19:46+03:00", "utc": "2002-08-29T10:19:46Z", "ms": 1030616385683.1406 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-08-30", "window": { "start": { "local": "2002-08-30T12:31:27+03:00", "utc": "2002-08-30T09:31:27Z", "ms": 1030699887469.3289 }, "end": { "local": "2002-08-30T13:19:27+03:00", "utc": "2002-08-30T10:19:27Z", "ms": 1030702767469.3289 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:49 on Thu 29 Aug to 16:45 on Fri 30 Aug.", "fact": "2002-08-29T11:48:35Z → 2002-08-30T13:45:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 29th, 12:31–13:19 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5329 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Cairo, 2002: Friday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-08-30", "confidence": "determinate" } ], "quote": "In Cairo, Śītalā Saptamī 2002 falls on Friday 30 August. Saptamī runs from 14:49 on Thu 29 Aug to 16:45 on Fri 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-09-03", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38971, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-09-02T18:28:44+03:00", "utc": "2002-09-02T15:28:44Z", "ms": 1030980524328.0393 }, "end": { "local": "2002-09-03T17:22:34+03:00", "utc": "2002-09-03T14:22:34Z", "ms": 1031062953909.7703 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-02T18:28:44+03:00", "utc": "2002-09-02T15:28:44Z", "ms": 1030980524328.0393 }, "end": { "local": "2002-09-03T17:22:34+03:00", "utc": "2002-09-03T14:22:34Z", "ms": 1031062953909.7703 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-09-02", "window": { "start": { "local": "2002-09-02T06:32:30+03:00", "utc": "2002-09-02T03:32:30Z", "ms": 1030937549786.9031 }, "end": { "local": "2002-09-02T06:32:30+03:00", "utc": "2002-09-02T03:32:30Z", "ms": 1030937549786.9031 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-09-03", "window": { "start": { "local": "2002-09-03T06:33:03+03:00", "utc": "2002-09-03T03:33:03Z", "ms": 1031023982661.9733 }, "end": { "local": "2002-09-03T06:33:03+03:00", "utc": "2002-09-03T03:33:03Z", "ms": 1031023982661.9733 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:29 on Mon 2 Sep to 17:23 on Tue 3 Sep.", "fact": "2002-09-02T15:28:44Z → 2002-09-03T14:22:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 2nd and 06:33 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38971 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Cairo, 2002: Tuesday 3 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": "2002-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-03", "confidence": "determinate" } ], "quote": "In Cairo, Ajā Ekādaśī 2002 falls on Tuesday 3 September. Ekādaśī runs from 18:29 on Mon 2 Sep to 17:23 on Tue 3 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-09-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13576, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-09-04T15:27:53+03:00", "utc": "2002-09-04T12:27:53Z", "ms": 1031142472965.9255 }, "end": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-04T15:27:53+03:00", "utc": "2002-09-04T12:27:53Z", "ms": 1031142472965.9255 }, "end": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-09-04", "window": { "start": { "local": "2002-09-04T19:14:09+03:00", "utc": "2002-09-04T16:14:09Z", "ms": 1031156048665.4877 }, "end": { "local": "2002-09-04T20:44:49+03:00", "utc": "2002-09-04T17:44:49Z", "ms": 1031161488602.9479 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2002-09-05", "window": { "start": { "local": "2002-09-05T19:12:56+03:00", "utc": "2002-09-05T16:12:56Z", "ms": 1031242376258.7288 }, "end": { "local": "2002-09-05T20:43:50+03:00", "utc": "2002-09-05T17:43:50Z", "ms": 1031247830206.2423 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:28 on Wed 4 Sep to 12:51 on Thu 5 Sep.", "fact": "2002-09-04T12:27:53Z → 2002-09-05T09:51:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:45 on the 4th, 19:13–20:44 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 4th and 0 of 91 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13576 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Wednesday 4 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": "2002-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-04", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Wednesday 4 September. Trayodaśī runs from 15:28 on Wed 4 Sep to 12:51 on Thu 5 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22896, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 }, "end": { "local": "2002-09-06T09:42:00+03:00", "utc": "2002-09-06T06:42:00Z", "ms": 1031294519676.6761 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 }, "end": { "local": "2002-09-06T09:42:00+03:00", "utc": "2002-09-06T06:42:00Z", "ms": 1031294519676.6761 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-09-05", "window": { "start": { "local": "2002-09-05T19:12:56+03:00", "utc": "2002-09-05T16:12:56Z", "ms": 1031242376258.7288 }, "end": { "local": "2002-09-05T20:43:50+03:00", "utc": "2002-09-05T17:43:50Z", "ms": 1031247830206.2423 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2002-09-06", "window": { "start": { "local": "2002-09-06T19:11:43+03:00", "utc": "2002-09-06T16:11:43Z", "ms": 1031328703480.4055 }, "end": { "local": "2002-09-06T20:42:51+03:00", "utc": "2002-09-06T17:42:51Z", "ms": 1031334171479.45 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:51 on Thu 5 Sep to 09:42 on Fri 6 Sep.", "fact": "2002-09-05T09:51:21Z → 2002-09-06T06:42:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:44 on the 5th, 19:12–20:43 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 5th and 0 of 91 on the 6th.", "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 22896 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Cairo, 2002: Thursday 5 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": "2002-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-05", "confidence": "determinate" } ], "quote": "In Cairo, Aghora Caturdaśī 2002 falls on Thursday 5 September. Caturdaśī runs from 12:51 on Thu 5 Sep to 09:42 on Fri 6 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/shivaratri?on=2002-09-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30251, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 }, "end": { "local": "2002-09-06T09:42:00+03:00", "utc": "2002-09-06T06:42:00Z", "ms": 1031294519676.6761 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-05T12:51:21+03:00", "utc": "2002-09-05T09:51:21Z", "ms": 1031219480725.7548 }, "end": { "local": "2002-09-06T09:42:00+03:00", "utc": "2002-09-06T06:42:00Z", "ms": 1031294519676.6761 } }, "kaala": "nishita", "days": [ { "local_date": "2002-09-04", "window": { "start": { "local": "2002-09-05T00:30:08+03:00", "utc": "2002-09-04T21:30:08Z", "ms": 1031175008430.9634 }, "end": { "local": "2002-09-05T01:18:08+03:00", "utc": "2002-09-04T22:18:08Z", "ms": 1031177888430.9634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-09-05", "window": { "start": { "local": "2002-09-06T00:29:49+03:00", "utc": "2002-09-05T21:29:49Z", "ms": 1031261388561.9048 }, "end": { "local": "2002-09-06T01:17:49+03:00", "utc": "2002-09-05T22:17:49Z", "ms": 1031264268561.9048 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:51 on Thu 5 Sep to 09:42 on Fri 6 Sep.", "fact": "2002-09-05T09:51:21Z → 2002-09-06T06:42:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 4th, 00:30–01:18 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30251 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Thursday 5 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": "2002-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-05", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Thursday 5 September. Caturdaśī runs from 12:51 on Thu 5 Sep to 09:42 on Fri 6 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22713, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-09-07T06:10:19+03:00", "utc": "2002-09-07T03:10:19Z", "ms": 1031368218643.423 }, "end": { "local": "2002-09-08T02:27:26+03:00", "utc": "2002-09-07T23:27:26Z", "ms": 1031441245940.504 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-07T06:10:19+03:00", "utc": "2002-09-07T03:10:19Z", "ms": 1031368218643.423 }, "end": { "local": "2002-09-08T02:27:26+03:00", "utc": "2002-09-07T23:27:26Z", "ms": 1031441245940.504 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-07", "window": { "start": { "local": "2002-09-07T12:28:52+03:00", "utc": "2002-09-07T09:28:52Z", "ms": 1031390931913.2919 }, "end": { "local": "2002-09-07T13:16:52+03:00", "utc": "2002-09-07T10:16:52Z", "ms": 1031393811913.2919 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-09-08", "window": { "start": { "local": "2002-09-08T12:28:31+03:00", "utc": "2002-09-08T09:28:31Z", "ms": 1031477311462.3955 }, "end": { "local": "2002-09-08T13:16:31+03:00", "utc": "2002-09-08T10:16:31Z", "ms": 1031480191462.3955 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:10 on Sat 7 Sep to 02:27 on Sun 8 Sep.", "fact": "2002-09-07T03:10:19Z → 2002-09-07T23:27:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 7th, 12:29–13:17 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22713 s" }, { "step": "ruling", "text": "Rudra Vrata, Cairo, 2002: Saturday 7 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": "2002-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-07", "confidence": "determinate" } ], "quote": "In Cairo, Rudra Vrata 2002 falls on Saturday 7 September. Pratipadā runs from 06:10 on Sat 7 Sep to 02:27 on Sun 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21367, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2002-09-08T22:44:32+03:00", "utc": "2002-09-08T19:44:32Z", "ms": 1031514271937.2338 }, "end": { "local": "2002-09-09T19:12:17+03:00", "utc": "2002-09-09T16:12:17Z", "ms": 1031587937375.3541 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-08T22:44:32+03:00", "utc": "2002-09-08T19:44:32Z", "ms": 1031514271937.2338 }, "end": { "local": "2002-09-09T19:12:17+03:00", "utc": "2002-09-09T16:12:17Z", "ms": 1031587937375.3541 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-08", "window": { "start": { "local": "2002-09-08T12:28:31+03:00", "utc": "2002-09-08T09:28:31Z", "ms": 1031477311462.3955 }, "end": { "local": "2002-09-08T13:16:31+03:00", "utc": "2002-09-08T10:16:31Z", "ms": 1031480191462.3955 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-09-09", "window": { "start": { "local": "2002-09-09T12:28:11+03:00", "utc": "2002-09-09T09:28:11Z", "ms": 1031563690833.6156 }, "end": { "local": "2002-09-09T13:16:11+03:00", "utc": "2002-09-09T10:16:11Z", "ms": 1031566570833.6156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:45 on Sun 8 Sep to 19:12 on Mon 9 Sep.", "fact": "2002-09-08T19:44:32Z → 2002-09-09T16:12:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 8th, 12:28–13:16 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21367 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Cairo, 2002: Monday 9 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": "2002-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-09", "confidence": "determinate" } ], "quote": "In Cairo, Haritālikā Vrata (Hartalika Teej) 2002 falls on Monday 9 September. Tṛtīyā runs from 22:45 on Sun 8 Sep to 19:12 on Mon 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9873, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-09-09T19:12:17+03:00", "utc": "2002-09-09T16:12:17Z", "ms": 1031587937375.3541 }, "end": { "local": "2002-09-10T16:00:23+03:00", "utc": "2002-09-10T13:00:23Z", "ms": 1031662823479.215 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-09T19:12:17+03:00", "utc": "2002-09-09T16:12:17Z", "ms": 1031587937375.3541 }, "end": { "local": "2002-09-10T16:00:23+03:00", "utc": "2002-09-10T13:00:23Z", "ms": 1031662823479.215 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-09", "window": { "start": { "local": "2002-09-09T12:28:11+03:00", "utc": "2002-09-09T09:28:11Z", "ms": 1031563690833.6156 }, "end": { "local": "2002-09-09T13:16:11+03:00", "utc": "2002-09-09T10:16:11Z", "ms": 1031566570833.6156 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-09-10", "window": { "start": { "local": "2002-09-10T12:27:50+03:00", "utc": "2002-09-10T09:27:50Z", "ms": 1031650070041.3948 }, "end": { "local": "2002-09-10T13:15:50+03:00", "utc": "2002-09-10T10:15:50Z", "ms": 1031652950041.3948 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:12 on Mon 9 Sep to 16:00 on Tue 10 Sep.", "fact": "2002-09-09T16:12:17Z → 2002-09-10T13:00:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 9th, 12:28–13:16 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9873 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Cairo, 2002: Tuesday 10 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": "2002-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-10", "confidence": "determinate" } ], "quote": "In Cairo, Gaṇeśa Caturthī 2002 falls on Tuesday 10 September. Caturthī runs from 19:12 on Mon 9 Sep to 16:00 on Tue 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 92, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-09-10T16:00:23+03:00", "utc": "2002-09-10T13:00:23Z", "ms": 1031662823479.215 }, "end": { "local": "2002-09-11T13:17:02+03:00", "utc": "2002-09-11T10:17:02Z", "ms": 1031739421560.0795 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-10T16:00:23+03:00", "utc": "2002-09-10T13:00:23Z", "ms": 1031662823479.215 }, "end": { "local": "2002-09-11T13:17:02+03:00", "utc": "2002-09-11T10:17:02Z", "ms": 1031739421560.0795 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-10", "window": { "start": { "local": "2002-09-10T12:27:50+03:00", "utc": "2002-09-10T09:27:50Z", "ms": 1031650070041.3948 }, "end": { "local": "2002-09-10T13:15:50+03:00", "utc": "2002-09-10T10:15:50Z", "ms": 1031652950041.3948 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-09-11", "window": { "start": { "local": "2002-09-11T12:27:29+03:00", "utc": "2002-09-11T09:27:29Z", "ms": 1031736449101.3225 }, "end": { "local": "2002-09-11T13:15:29+03:00", "utc": "2002-09-11T10:15:29Z", "ms": 1031739329101.3225 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:00 on Tue 10 Sep to 13:17 on Wed 11 Sep.", "fact": "2002-09-10T13:00:23Z → 2002-09-11T10:17:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 10th, 12:27–13:15 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 92 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Cairo, 2002: Wednesday 11 September.", "fact": "confidence: boundary (margin)" } ], "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": "2002-09-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-11", "confidence": "determinate" } ], "quote": "In Cairo, Ṛṣi Pañcamī 2002 falls on Wednesday 11 September. Pañcamī runs from 16:00 on Tue 10 Sep to 13:17 on Wed 11 Sep and covers all of madhyāhna that midday. It is 1 min 32 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-12", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 92, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-09-11T13:17:02+03:00", "utc": "2002-09-11T10:17:02Z", "ms": 1031739421560.0795 }, "end": { "local": "2002-09-12T11:08:23+03:00", "utc": "2002-09-12T08:08:23Z", "ms": 1031818102910.368 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-11T13:17:02+03:00", "utc": "2002-09-11T10:17:02Z", "ms": 1031739421560.0795 }, "end": { "local": "2002-09-12T11:08:23+03:00", "utc": "2002-09-12T08:08:23Z", "ms": 1031818102910.368 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-11", "window": { "start": { "local": "2002-09-11T12:27:29+03:00", "utc": "2002-09-11T09:27:29Z", "ms": 1031736449101.3225 }, "end": { "local": "2002-09-11T13:15:29+03:00", "utc": "2002-09-11T10:15:29Z", "ms": 1031739329101.3225 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-09-12", "window": { "start": { "local": "2002-09-12T12:27:08+03:00", "utc": "2002-09-12T09:27:08Z", "ms": 1031822828030.3433 }, "end": { "local": "2002-09-12T13:15:08+03:00", "utc": "2002-09-12T10:15:08Z", "ms": 1031825708030.3433 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:17 on Wed 11 Sep to 11:08 on Thu 12 Sep.", "fact": "2002-09-11T10:17:02Z → 2002-09-12T08:08:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 11th, 12:27–13:15 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 92 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Cairo, 2002: Thursday 12 September.", "fact": "confidence: boundary (margin)" } ], "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": "2002-09-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-11", "confidence": "determinate" } ], "quote": "In Cairo, Sūrya Ṣaṣṭhī (Bhādrapada) 2002 falls on Thursday 12 September. Ṣaṣṭhī runs from 13:17 on Wed 11 Sep to 11:08 on Thu 12 Sep, and reaches madhyāhna on neither day. It is 1 min 32 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4725, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-09-12T11:08:23+03:00", "utc": "2002-09-12T08:08:23Z", "ms": 1031818102910.368 }, "end": { "local": "2002-09-13T09:38:14+03:00", "utc": "2002-09-13T06:38:14Z", "ms": 1031899093595.4244 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-12T11:08:23+03:00", "utc": "2002-09-12T08:08:23Z", "ms": 1031818102910.368 }, "end": { "local": "2002-09-13T09:38:14+03:00", "utc": "2002-09-13T06:38:14Z", "ms": 1031899093595.4244 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-12", "window": { "start": { "local": "2002-09-12T12:27:08+03:00", "utc": "2002-09-12T09:27:08Z", "ms": 1031822828030.3433 }, "end": { "local": "2002-09-12T13:15:08+03:00", "utc": "2002-09-12T10:15:08Z", "ms": 1031825708030.3433 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-09-13", "window": { "start": { "local": "2002-09-13T12:26:47+03:00", "utc": "2002-09-13T09:26:47Z", "ms": 1031909206846.9502 }, "end": { "local": "2002-09-13T13:14:47+03:00", "utc": "2002-09-13T10:14:47Z", "ms": 1031912086846.9502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:08 on Thu 12 Sep to 09:38 on Fri 13 Sep.", "fact": "2002-09-12T08:08:23Z → 2002-09-13T06:38:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 12th, 12:27–13:15 on the 13th.", "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 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4725 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Cairo, 2002: Thursday 12 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": "2002-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-12", "confidence": "determinate" } ], "quote": "In Cairo, Muktābharaṇa Vrata 2002 falls on Thursday 12 September. Saptamī runs from 11:08 on Thu 12 Sep to 09:38 on Fri 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10113, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-09-13T09:38:14+03:00", "utc": "2002-09-13T06:38:14Z", "ms": 1031899093595.4244 }, "end": { "local": "2002-09-14T08:47:42+03:00", "utc": "2002-09-14T05:47:42Z", "ms": 1031982461808.7708 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-13T09:38:14+03:00", "utc": "2002-09-13T06:38:14Z", "ms": 1031899093595.4244 }, "end": { "local": "2002-09-14T08:47:42+03:00", "utc": "2002-09-14T05:47:42Z", "ms": 1031982461808.7708 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-13", "window": { "start": { "local": "2002-09-13T12:26:47+03:00", "utc": "2002-09-13T09:26:47Z", "ms": 1031909206846.9502 }, "end": { "local": "2002-09-13T13:14:47+03:00", "utc": "2002-09-13T10:14:47Z", "ms": 1031912086846.9502 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-09-14", "window": { "start": { "local": "2002-09-14T12:26:26+03:00", "utc": "2002-09-14T09:26:26Z", "ms": 1031995585569.8003 }, "end": { "local": "2002-09-14T13:14:26+03:00", "utc": "2002-09-14T10:14:26Z", "ms": 1031998465569.8003 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:38 on Fri 13 Sep to 08:48 on Sat 14 Sep.", "fact": "2002-09-13T06:38:14Z → 2002-09-14T05:47:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 13th, 12:26–13:14 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10113 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Cairo, 2002: Friday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-13", "confidence": "determinate" } ], "quote": "In Cairo, Rādhāṣṭamī 2002 falls on Friday 13 September. Aṣṭamī runs from 09:38 on Fri 13 Sep to 08:48 on Sat 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-09-17", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8279, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-09-16T08:58:04+03:00", "utc": "2002-09-16T05:58:04Z", "ms": 1032155883706.6539 }, "end": { "local": "2002-09-17T09:51:05+03:00", "utc": "2002-09-17T06:51:05Z", "ms": 1032245465413.0844 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-16T08:58:04+03:00", "utc": "2002-09-16T05:58:04Z", "ms": 1032155883706.6539 }, "end": { "local": "2002-09-17T09:51:05+03:00", "utc": "2002-09-17T06:51:05Z", "ms": 1032245465413.0844 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-09-16", "window": { "start": { "local": "2002-09-16T06:40:05+03:00", "utc": "2002-09-16T03:40:05Z", "ms": 1032147605136.0955 }, "end": { "local": "2002-09-16T06:40:05+03:00", "utc": "2002-09-16T03:40:05Z", "ms": 1032147605136.0955 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-09-17", "window": { "start": { "local": "2002-09-17T06:40:38+03:00", "utc": "2002-09-17T03:40:38Z", "ms": 1032234037510.5303 }, "end": { "local": "2002-09-17T06:40:38+03:00", "utc": "2002-09-17T03:40:38Z", "ms": 1032234037510.5303 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:58 on Mon 16 Sep to 09:51 on Tue 17 Sep.", "fact": "2002-09-16T05:58:04Z → 2002-09-17T06:51:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 16th and 06:41 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8279 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Cairo, 2002: Tuesday 17 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": "2002-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-17", "confidence": "determinate" } ], "quote": "In Cairo, Parivartanī Ekādaśī 2002 falls on Tuesday 17 September. Ekādaśī runs from 08:58 on Mon 16 Sep to 09:51 on Tue 17 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4516, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-09-17T09:51:05+03:00", "utc": "2002-09-17T06:51:05Z", "ms": 1032245465413.0844 }, "end": { "local": "2002-09-18T11:09:44+03:00", "utc": "2002-09-18T08:09:44Z", "ms": 1032336583849.8619 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-17T09:51:05+03:00", "utc": "2002-09-17T06:51:05Z", "ms": 1032245465413.0844 }, "end": { "local": "2002-09-18T11:09:44+03:00", "utc": "2002-09-18T08:09:44Z", "ms": 1032336583849.8619 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-09-17", "window": { "start": { "local": "2002-09-17T12:25:21+03:00", "utc": "2002-09-17T09:25:21Z", "ms": 1032254721387.4739 }, "end": { "local": "2002-09-17T13:13:21+03:00", "utc": "2002-09-17T10:13:21Z", "ms": 1032257601387.4739 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-09-18", "window": { "start": { "local": "2002-09-18T12:25:00+03:00", "utc": "2002-09-18T09:25:00Z", "ms": 1032341099948.8972 }, "end": { "local": "2002-09-18T13:13:00+03:00", "utc": "2002-09-18T10:13:00Z", "ms": 1032343979948.8972 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:51 on Tue 17 Sep to 11:10 on Wed 18 Sep.", "fact": "2002-09-17T06:51:05Z → 2002-09-18T08:09:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 17th, 12:25–13:13 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī 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: unstated → only-day · margin 4516 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Cairo, 2002: Tuesday 17 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": "2002-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-17", "confidence": "determinate" } ], "quote": "In Cairo, Vāmana Jayantī 2002 falls on Tuesday 17 September. Dvādaśī runs from 09:51 on Tue 17 Sep to 11:10 on Wed 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-09-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21956, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-09-18T11:09:44+03:00", "utc": "2002-09-18T08:09:44Z", "ms": 1032336583849.8619 }, "end": { "local": "2002-09-19T12:49:38+03:00", "utc": "2002-09-19T09:49:38Z", "ms": 1032428978204.952 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-18T11:09:44+03:00", "utc": "2002-09-18T08:09:44Z", "ms": 1032336583849.8619 }, "end": { "local": "2002-09-19T12:49:38+03:00", "utc": "2002-09-19T09:49:38Z", "ms": 1032428978204.952 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-09-18", "window": { "start": { "local": "2002-09-18T18:56:50+03:00", "utc": "2002-09-18T15:56:50Z", "ms": 1032364609971.3983 }, "end": { "local": "2002-09-18T20:30:49+03:00", "utc": "2002-09-18T17:30:49Z", "ms": 1032370248961.8341 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "2002-09-19", "window": { "start": { "local": "2002-09-19T18:55:35+03:00", "utc": "2002-09-19T15:55:35Z", "ms": 1032450934651.6819 }, "end": { "local": "2002-09-19T20:29:48+03:00", "utc": "2002-09-19T17:29:48Z", "ms": 1032456588024.3702 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:10 on Wed 18 Sep to 12:50 on Thu 19 Sep.", "fact": "2002-09-18T08:09:44Z → 2002-09-19T09:49:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:31 on the 18th, 18:56–20:30 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 18th and 0 of 94 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21956 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Wednesday 18 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": "2002-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-18", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Wednesday 18 September. Trayodaśī runs from 11:10 on Wed 18 Sep to 12:50 on Thu 19 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-09-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13269, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-09-19T12:49:38+03:00", "utc": "2002-09-19T09:49:38Z", "ms": 1032428978204.952 }, "end": { "local": "2002-09-20T14:47:11+03:00", "utc": "2002-09-20T11:47:11Z", "ms": 1032522430901.5139 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2002-09-19T12:49:38+03:00", "utc": "2002-09-19T09:49:38Z", "ms": 1032428978204.952 }, "end": { "local": "2002-09-20T14:47:11+03:00", "utc": "2002-09-20T11:47:11Z", "ms": 1032522430901.5139 } }, "kaala": "udaya-3", "days": [ { "local_date": "2002-09-19", "window": { "start": { "local": "2002-09-19T06:41:42+03:00", "utc": "2002-09-19T03:41:42Z", "ms": 1032406902399.6666 }, "end": { "local": "2002-09-19T09:08:29+03:00", "utc": "2002-09-19T06:08:29Z", "ms": 1032415708850.0697 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2002-09-20", "window": { "start": { "local": "2002-09-20T06:42:15+03:00", "utc": "2002-09-20T03:42:15Z", "ms": 1032493334946.8448 }, "end": { "local": "2002-09-20T09:08:40+03:00", "utc": "2002-09-20T06:08:40Z", "ms": 1032502119824.4443 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:50 on Thu 19 Sep to 14:47 on Fri 20 Sep.", "fact": "2002-09-19T09:49:38Z → 2002-09-20T11:47:11Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:42–09:08 on the 19th, 06:42–09:09 on the 20th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 147 minutes on the 19th and 146 of 146 on the 20th.", "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 13269 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Cairo, 2002: Friday 20 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": "2002-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-20", "confidence": "determinate" } ], "quote": "In Cairo, Ananta Caturdaśī 2002 falls on Friday 20 September. Caturdaśī runs from 12:50 on Thu 19 Sep to 14:47 on Fri 20 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-09-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13770, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-09-25T00:25:31+03:00", "utc": "2002-09-24T21:25:31Z", "ms": 1032902730642.346 }, "end": { "local": "2002-09-26T02:51:10+03:00", "utc": "2002-09-25T23:51:10Z", "ms": 1032997869838.3081 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-09-25T00:25:31+03:00", "utc": "2002-09-24T21:25:31Z", "ms": 1032902730642.346 }, "end": { "local": "2002-09-26T02:51:10+03:00", "utc": "2002-09-25T23:51:10Z", "ms": 1032997869838.3081 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-09-24", "window": { "start": { "local": "2002-09-24T20:36:01+03:00", "utc": "2002-09-24T17:36:01Z", "ms": 1032888960635.8446 }, "end": { "local": "2002-09-24T20:36:01+03:00", "utc": "2002-09-24T17:36:01Z", "ms": 1032888960635.8446 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-09-25", "window": { "start": { "local": "2002-09-25T21:07:01+03:00", "utc": "2002-09-25T18:07:01Z", "ms": 1032977221168.4302 }, "end": { "local": "2002-09-25T21:07:01+03:00", "utc": "2002-09-25T18:07:01Z", "ms": 1032977221168.4302 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:26 on Wed 25 Sep to 02:51 on Thu 26 Sep.", "fact": "2002-09-24T21:25:31Z → 2002-09-25T23:51:10Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 24th and 21:07 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "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 13770 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Wednesday 25 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": "2002-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-25", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Wednesday 25 September. Caturthī runs from 00:26 on Wed 25 Sep to 02:51 on Thu 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26344, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-09-27T04:00:29+02:00", "utc": "2002-09-27T02:00:29Z", "ms": 1033092028561.8228 }, "end": { "local": "2002-09-28T05:42:36+02:00", "utc": "2002-09-28T03:42:36Z", "ms": 1033184556189.1058 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-09-27T04:00:29+02:00", "utc": "2002-09-27T02:00:29Z", "ms": 1033092028561.8228 }, "end": { "local": "2002-09-28T05:42:36+02:00", "utc": "2002-09-28T03:42:36Z", "ms": 1033184556189.1058 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-09-26", "window": { "start": { "local": "2002-09-26T21:41:25+03:00", "utc": "2002-09-26T18:41:25Z", "ms": 1033065685046.1388 }, "end": { "local": "2002-09-26T21:41:25+03:00", "utc": "2002-09-26T18:41:25Z", "ms": 1033065685046.1388 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-09-27", "window": { "start": { "local": "2002-09-27T21:20:28+02:00", "utc": "2002-09-27T19:20:28Z", "ms": 1033154428299.4501 }, "end": { "local": "2002-09-27T21:20:28+02:00", "utc": "2002-09-27T19:20:28Z", "ms": 1033154428299.4501 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:00 on Fri 27 Sep to 05:43 on Sat 28 Sep.", "fact": "2002-09-27T02:00:29Z → 2002-09-28T03:42:36Z" }, { "step": "kaala", "text": "Moonrise is at 21:41 on the 26th and 21:20 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26344 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Cairo, 2002: Friday 27 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-27", "confidence": "determinate" } ], "quote": "In Cairo, Candra Ṣaṣṭhī 2002 falls on Friday 27 September. Ṣaṣṭhī runs from 04:00 on Fri 27 Sep to 05:43 on Sat 28 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38133, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-09-29T06:47:15+02:00", "utc": "2002-09-29T04:47:15Z", "ms": 1033274834981.6637 }, "end": { "local": "2002-09-30T07:06:20+02:00", "utc": "2002-09-30T05:06:20Z", "ms": 1033362380282.7283 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-09-29T06:47:15+02:00", "utc": "2002-09-29T04:47:15Z", "ms": 1033274834981.6637 }, "end": { "local": "2002-09-30T07:06:20+02:00", "utc": "2002-09-30T05:06:20Z", "ms": 1033362380282.7283 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-09-29", "window": { "start": { "local": "2002-09-29T17:43:06+02:00", "utc": "2002-09-29T15:43:06Z", "ms": 1033314186475.9901 }, "end": { "local": "2002-09-29T19:19:44+02:00", "utc": "2002-09-29T17:19:44Z", "ms": 1033319984037.8799 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2002-09-30", "window": { "start": { "local": "2002-09-30T17:41:53+02:00", "utc": "2002-09-30T15:41:53Z", "ms": 1033400512804.2405 }, "end": { "local": "2002-09-30T19:18:45+02:00", "utc": "2002-09-30T17:18:45Z", "ms": 1033406324782.8657 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:47 on Sun 29 Sep to 07:06 on Mon 30 Sep.", "fact": "2002-09-29T04:47:15Z → 2002-09-30T05:06:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:20 on the 29th, 17:42–19:19 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 29th and 0 of 97 on the 30th.", "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 38133 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Cairo, 2002: Sunday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-29", "confidence": "determinate" } ], "quote": "In Cairo, Jitāṣṭamī (Jitiya) 2002 falls on Sunday 29 September. Aṣṭamī runs from 06:47 on Sun 29 Sep to 07:06 on Mon 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29368, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-09-29T06:47:15+02:00", "utc": "2002-09-29T04:47:15Z", "ms": 1033274834981.6637 }, "end": { "local": "2002-09-30T07:06:20+02:00", "utc": "2002-09-30T05:06:20Z", "ms": 1033362380282.7283 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-09-29T06:47:15+02:00", "utc": "2002-09-29T04:47:15Z", "ms": 1033274834981.6637 }, "end": { "local": "2002-09-30T07:06:20+02:00", "utc": "2002-09-30T05:06:20Z", "ms": 1033362380282.7283 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-09-28", "window": { "start": { "local": "2002-09-28T22:05:22+02:00", "utc": "2002-09-28T20:05:22Z", "ms": 1033243521819.3214 }, "end": { "local": "2002-09-28T22:05:22+02:00", "utc": "2002-09-28T20:05:22Z", "ms": 1033243521819.3214 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-09-29", "window": { "start": { "local": "2002-09-29T22:56:52+02:00", "utc": "2002-09-29T20:56:52Z", "ms": 1033333011909.365 }, "end": { "local": "2002-09-29T22:56:52+02:00", "utc": "2002-09-29T20:56:52Z", "ms": 1033333011909.365 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:47 on Sun 29 Sep to 07:06 on Mon 30 Sep.", "fact": "2002-09-29T04:47:15Z → 2002-09-30T05:06:20Z" }, { "step": "kaala", "text": "Moonrise is at 22:05 on the 28th and 22:57 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29368 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Cairo, 2002: Sunday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-09-29", "confidence": "determinate" } ], "quote": "In Cairo, Mahālakṣmī Vrata Samāpana 2002 falls on Sunday 29 September. Aṣṭamī runs from 06:47 on Sun 29 Sep to 07:06 on Mon 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-10-02", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2121, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-10-02T05:13:36+02:00", "utc": "2002-10-02T03:13:36Z", "ms": 1033528416212.7927 }, "end": { "local": "2002-10-03T03:04:39+02:00", "utc": "2002-10-03T01:04:39Z", "ms": 1033607078546.9688 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-02T05:13:36+02:00", "utc": "2002-10-02T03:13:36Z", "ms": 1033528416212.7927 }, "end": { "local": "2002-10-03T03:04:39+02:00", "utc": "2002-10-03T01:04:39Z", "ms": 1033607078546.9688 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-10-02", "window": { "start": { "local": "2002-10-02T05:48:57+02:00", "utc": "2002-10-02T03:48:57Z", "ms": 1033530537359.4622 }, "end": { "local": "2002-10-02T05:48:57+02:00", "utc": "2002-10-02T03:48:57Z", "ms": 1033530537359.4622 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-10-03", "window": { "start": { "local": "2002-10-03T05:49:32+02:00", "utc": "2002-10-03T03:49:32Z", "ms": 1033616972347.2288 }, "end": { "local": "2002-10-03T05:49:32+02:00", "utc": "2002-10-03T03:49:32Z", "ms": 1033616972347.2288 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:14 on Wed 2 Oct to 03:05 on Thu 3 Oct.", "fact": "2002-10-02T03:13:36Z → 2002-10-03T01:04:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 2nd and 05:50 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2121 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Cairo, 2002: Wednesday 2 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": "2002-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-02", "confidence": "determinate" } ], "quote": "In Cairo, Indirā Ekādaśī 2002 falls on Wednesday 2 October. Ekādaśī runs from 05:14 on Wed 2 Oct to 03:05 on Thu 3 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-10-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5921, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-10-04T00:14:59+02:00", "utc": "2002-10-03T22:14:59Z", "ms": 1033683299261.9025 }, "end": { "local": "2002-10-04T20:53:33+02:00", "utc": "2002-10-04T18:53:33Z", "ms": 1033757612529.3146 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-04T00:14:59+02:00", "utc": "2002-10-03T22:14:59Z", "ms": 1033683299261.9025 }, "end": { "local": "2002-10-04T20:53:33+02:00", "utc": "2002-10-04T18:53:33Z", "ms": 1033757612529.3146 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-10-03", "window": { "start": { "local": "2002-10-03T17:38:14+02:00", "utc": "2002-10-03T15:38:14Z", "ms": 1033659493841.0347 }, "end": { "local": "2002-10-03T19:15:49+02:00", "utc": "2002-10-03T17:15:49Z", "ms": 1033665349011.0933 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2002-10-04", "window": { "start": { "local": "2002-10-04T17:37:02+02:00", "utc": "2002-10-04T15:37:02Z", "ms": 1033745821627.4742 }, "end": { "local": "2002-10-04T19:14:51+02:00", "utc": "2002-10-04T17:14:51Z", "ms": 1033751691167.1421 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:15 on Fri 4 Oct to 20:54 on Fri 4 Oct.", "fact": "2002-10-03T22:14:59Z → 2002-10-04T18:53:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:16 on the 3rd, 17:37–19:15 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 3rd and 98 of 98 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5921 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Friday 4 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": "2002-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-04", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Friday 4 October. Trayodaśī runs from 00:15 on Fri 4 Oct to 20:54 on Fri 4 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-10-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8780, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-10-04T20:53:33+02:00", "utc": "2002-10-04T18:53:33Z", "ms": 1033757612529.3146 }, "end": { "local": "2002-10-05T17:10:41+02:00", "utc": "2002-10-05T15:10:41Z", "ms": 1033830641140.5182 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-04T20:53:33+02:00", "utc": "2002-10-04T18:53:33Z", "ms": 1033757612529.3146 }, "end": { "local": "2002-10-05T17:10:41+02:00", "utc": "2002-10-05T15:10:41Z", "ms": 1033830641140.5182 } }, "kaala": "nishita", "days": [ { "local_date": "2002-10-04", "window": { "start": { "local": "2002-10-04T23:19:52+02:00", "utc": "2002-10-04T21:19:52Z", "ms": 1033766392401.2285 }, "end": { "local": "2002-10-05T00:07:52+02:00", "utc": "2002-10-04T22:07:52Z", "ms": 1033769272401.2285 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-10-05", "window": { "start": { "local": "2002-10-05T23:19:34+02:00", "utc": "2002-10-05T21:19:34Z", "ms": 1033852774436.6946 }, "end": { "local": "2002-10-06T00:07:34+02:00", "utc": "2002-10-05T22:07:34Z", "ms": 1033855654436.6946 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:54 on Fri 4 Oct to 17:11 on Sat 5 Oct.", "fact": "2002-10-04T18:53:33Z → 2002-10-05T15:10:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:20–00:08 on the 4th, 23:20–00:08 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8780 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Friday 4 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": "2002-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-04", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Friday 4 October. Caturdaśī runs from 20:54 on Fri 4 Oct to 17:11 on Sat 5 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1455, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2002-10-05T17:10:41+02:00", "utc": "2002-10-05T15:10:41Z", "ms": 1033830641140.5182 }, "end": { "local": "2002-10-06T13:17:34+02:00", "utc": "2002-10-06T11:17:34Z", "ms": 1033903053864.4479 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-05T17:10:41+02:00", "utc": "2002-10-05T15:10:41Z", "ms": 1033830641140.5182 }, "end": { "local": "2002-10-06T13:17:34+02:00", "utc": "2002-10-06T11:17:34Z", "ms": 1033903053864.4479 } }, "kaala": "aparahna", "days": [ { "local_date": "2002-10-05", "window": { "start": { "local": "2002-10-05T12:53:47+02:00", "utc": "2002-10-05T10:53:47Z", "ms": 1033815227176.4946 }, "end": { "local": "2002-10-05T15:14:49+02:00", "utc": "2002-10-05T13:14:49Z", "ms": 1033823688510.332 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2002-10-06", "window": { "start": { "local": "2002-10-06T12:53:19+02:00", "utc": "2002-10-06T10:53:19Z", "ms": 1033901598721.2054 }, "end": { "local": "2002-10-06T15:13:59+02:00", "utc": "2002-10-06T13:13:59Z", "ms": 1033910038618.5339 } }, "covered_min": 24, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:11 on Sat 5 Oct to 13:18 on Sun 6 Oct.", "fact": "2002-10-05T15:10:41Z → 2002-10-06T11:17:34Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:54–15:15 on the 5th, 12:53–15:14 on the 6th.", "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 141 minutes on the 5th and 24 of 141 on the 6th.", "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 1455 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Cairo, 2002: Sunday 6 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": "2002-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-06", "confidence": "determinate" } ], "quote": "In Cairo, Mahālaya Amāvāsyā 2002 falls on Sunday 6 October. Amāvasyā runs from 17:11 on Sat 5 Oct to 13:18 on Sun 6 Oct and covers 24 of 141 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4235, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-10-06T13:17:34+02:00", "utc": "2002-10-06T11:17:34Z", "ms": 1033903053864.4479 }, "end": { "local": "2002-10-07T09:25:31+02:00", "utc": "2002-10-07T07:25:31Z", "ms": 1033975531348.9609 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-06T13:17:34+02:00", "utc": "2002-10-06T11:17:34Z", "ms": 1033903053864.4479 }, "end": { "local": "2002-10-07T09:25:31+02:00", "utc": "2002-10-07T07:25:31Z", "ms": 1033975531348.9609 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-10-06", "window": { "start": { "local": "2002-10-06T11:18:59+02:00", "utc": "2002-10-06T09:18:59Z", "ms": 1033895938772.5411 }, "end": { "local": "2002-10-06T12:06:59+02:00", "utc": "2002-10-06T10:06:59Z", "ms": 1033898818772.5411 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-10-07", "window": { "start": { "local": "2002-10-07T11:18:41+02:00", "utc": "2002-10-07T09:18:41Z", "ms": 1033982321425.7842 }, "end": { "local": "2002-10-07T12:06:41+02:00", "utc": "2002-10-07T10:06:41Z", "ms": 1033985201425.7842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:18 on Sun 6 Oct to 09:26 on Mon 7 Oct.", "fact": "2002-10-06T11:17:34Z → 2002-10-07T07:25:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 6th, 11:19–12:07 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 4235 s" }, { "step": "ruling", "text": "Navarātrārambha, Cairo, 2002: Monday 7 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": "2002-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-07", "confidence": "determinate" } ], "quote": "In Cairo, Navarātrārambha (Navratri) 2002 falls on Monday 7 October. Pratipadā runs from 13:18 on Sun 6 Oct to 09:26 on Mon 7 Oct, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-10-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31796, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-10-09T02:28:12+02:00", "utc": "2002-10-09T00:28:12Z", "ms": 1034123291593.1545 }, "end": { "local": "2002-10-09T23:42:19+02:00", "utc": "2002-10-09T21:42:19Z", "ms": 1034199739230.899 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-09T02:28:12+02:00", "utc": "2002-10-09T00:28:12Z", "ms": 1034123291593.1545 }, "end": { "local": "2002-10-09T23:42:19+02:00", "utc": "2002-10-09T21:42:19Z", "ms": 1034199739230.899 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-10-09", "window": { "start": { "local": "2002-10-09T11:18:08+02:00", "utc": "2002-10-09T09:18:08Z", "ms": 1034155087962.2156 }, "end": { "local": "2002-10-09T12:06:08+02:00", "utc": "2002-10-09T10:06:08Z", "ms": 1034157967962.2156 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-10-10", "window": { "start": { "local": "2002-10-10T11:17:52+02:00", "utc": "2002-10-10T09:17:52Z", "ms": 1034241471876.075 }, "end": { "local": "2002-10-10T12:05:52+02:00", "utc": "2002-10-10T10:05:52Z", "ms": 1034244351876.075 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:28 on Wed 9 Oct to 23:42 on Wed 9 Oct.", "fact": "2002-10-09T00:28:12Z → 2002-10-09T21:42:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 9th, 11:18–12:06 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31796 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Wednesday 9 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": "2002-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-09", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Wednesday 9 October. Caturthī runs from 02:28 on Wed 9 Oct to 23:42 on Wed 9 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34976, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-10-11T20:12:04+02:00", "utc": "2002-10-11T18:12:04Z", "ms": 1034359924480.3722 }, "end": { "local": "2002-10-12T19:34:43+02:00", "utc": "2002-10-12T17:34:43Z", "ms": 1034444082739.201 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-11T20:12:04+02:00", "utc": "2002-10-11T18:12:04Z", "ms": 1034359924480.3722 }, "end": { "local": "2002-10-12T19:34:43+02:00", "utc": "2002-10-12T17:34:43Z", "ms": 1034444082739.201 } }, "kaala": "udaya-1", "days": [ { "local_date": "2002-10-12", "window": { "start": { "local": "2002-10-12T05:55:01+02:00", "utc": "2002-10-12T03:55:01Z", "ms": 1034394900649.5116 }, "end": { "local": "2002-10-12T06:41:11+02:00", "utc": "2002-10-12T04:41:11Z", "ms": 1034397671373.2942 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "2002-10-13", "window": { "start": { "local": "2002-10-13T05:55:39+02:00", "utc": "2002-10-13T03:55:39Z", "ms": 1034481338720.0408 }, "end": { "local": "2002-10-13T06:41:42+02:00", "utc": "2002-10-13T04:41:42Z", "ms": 1034484102410.9045 } }, "covered_min": 0, "window_min": 46, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:12 on Fri 11 Oct to 19:35 on Sat 12 Oct.", "fact": "2002-10-11T18:12:04Z → 2002-10-12T17:34:43Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:55–06:41 on the 12th, 05:56–06:42 on the 13th.", "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 46 of 46 minutes on the 12th and 0 of 46 on the 13th.", "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 34976 s" }, { "step": "ruling", "text": "Durgā Saptamī, Cairo, 2002: Saturday 12 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": "2002-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-12", "confidence": "determinate" } ], "quote": "In Cairo, Durgā Saptamī 2002 falls on Saturday 12 October. Saptamī runs from 20:12 on Fri 11 Oct to 19:35 on Sat 12 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26962, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-10-12T19:34:43+02:00", "utc": "2002-10-12T17:34:43Z", "ms": 1034444082739.201 }, "end": { "local": "2002-10-13T19:42:13+02:00", "utc": "2002-10-13T17:42:13Z", "ms": 1034530932976.6251 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-12T19:34:43+02:00", "utc": "2002-10-12T17:34:43Z", "ms": 1034444082739.201 }, "end": { "local": "2002-10-13T19:42:13+02:00", "utc": "2002-10-13T17:42:13Z", "ms": 1034530932976.6251 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-10-12", "window": { "start": { "local": "2002-10-12T11:17:21+02:00", "utc": "2002-10-12T09:17:21Z", "ms": 1034414241077.8812 }, "end": { "local": "2002-10-12T12:05:21+02:00", "utc": "2002-10-12T10:05:21Z", "ms": 1034417121077.8812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-10-13", "window": { "start": { "local": "2002-10-13T11:17:06+02:00", "utc": "2002-10-13T09:17:06Z", "ms": 1034500626401.5186 }, "end": { "local": "2002-10-13T12:05:06+02:00", "utc": "2002-10-13T10:05:06Z", "ms": 1034503506401.5186 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:35 on Sat 12 Oct to 19:42 on Sun 13 Oct.", "fact": "2002-10-12T17:34:43Z → 2002-10-13T17:42:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 12th, 11:17–12:05 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 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26962 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Cairo, 2002: Sunday 13 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": "2002-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-13", "confidence": "determinate" } ], "quote": "In Cairo, Mahāṣṭamī (Durga Ashtami) 2002 falls on Sunday 13 October. Aṣṭamī runs from 19:35 on Sat 12 Oct to 19:42 on Sun 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27427, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2002-10-13T19:42:13+02:00", "utc": "2002-10-13T17:42:13Z", "ms": 1034530932976.6251 }, "end": { "local": "2002-10-14T20:30:41+02:00", "utc": "2002-10-14T18:30:41Z", "ms": 1034620241417.6295 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-13T19:42:13+02:00", "utc": "2002-10-13T17:42:13Z", "ms": 1034530932976.6251 }, "end": { "local": "2002-10-14T20:30:41+02:00", "utc": "2002-10-14T18:30:41Z", "ms": 1034620241417.6295 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-10-13", "window": { "start": { "local": "2002-10-13T11:17:06+02:00", "utc": "2002-10-13T09:17:06Z", "ms": 1034500626401.5186 }, "end": { "local": "2002-10-13T12:05:06+02:00", "utc": "2002-10-13T10:05:06Z", "ms": 1034503506401.5186 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-10-14", "window": { "start": { "local": "2002-10-14T11:16:52+02:00", "utc": "2002-10-14T09:16:52Z", "ms": 1034587012231.8958 }, "end": { "local": "2002-10-14T12:04:52+02:00", "utc": "2002-10-14T10:04:52Z", "ms": 1034589892231.8958 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:42 on Sun 13 Oct to 20:31 on Mon 14 Oct.", "fact": "2002-10-13T17:42:13Z → 2002-10-14T18:30:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 13th, 11:17–12:05 on the 14th.", "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 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: purvaviddha → only-day · margin 27427 s" }, { "step": "ruling", "text": "Mahānavamī, Cairo, 2002: Monday 14 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": "2002-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-14", "confidence": "determinate" } ], "quote": "In Cairo, Mahānavamī 2002 falls on Monday 14 October. Navamī runs from 19:42 on Sun 13 Oct to 20:31 on Mon 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11114, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2002-10-14T20:30:41+02:00", "utc": "2002-10-14T18:30:41Z", "ms": 1034620241417.6295 }, "end": { "local": "2002-10-15T21:53:59+02:00", "utc": "2002-10-15T19:53:59Z", "ms": 1034711639460.9471 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2002-10-14T20:30:41+02:00", "utc": "2002-10-14T18:30:41Z", "ms": 1034620241417.6295 }, "end": { "local": "2002-10-15T11:59:42+02:00", "utc": "2002-10-15T09:59:42Z", "ms": 1034675982048.1981 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2002-10-14T10:15:23+02:00", "utc": "2002-10-14T08:15:23Z", "ms": 1034583322653.6844 }, "end": { "local": "2002-10-15T11:59:42+02:00", "utc": "2002-10-15T09:59:42Z", "ms": 1034675982048.1981 } } }, "kaala": "daytime", "days": [ { "local_date": "2002-10-14", "window": { "start": { "local": "2002-10-14T05:56:17+02:00", "utc": "2002-10-14T03:56:17Z", "ms": 1034567777133.1725 }, "end": { "local": "2002-10-14T17:25:27+02:00", "utc": "2002-10-14T15:25:27Z", "ms": 1034609127330.6189 } }, "covered_min": 0, "window_min": 689, "qualifies": false }, { "local_date": "2002-10-15", "window": { "start": { "local": "2002-10-15T05:56:56+02:00", "utc": "2002-10-15T03:56:56Z", "ms": 1034654215897.3048 }, "end": { "local": "2002-10-15T17:24:21+02:00", "utc": "2002-10-15T15:24:21Z", "ms": 1034695461279.2192 } }, "covered_min": 363, "window_min": 687, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 20:31 on Mon 14 Oct to 21:54 on Tue 15 Oct, and Śravaṇa from 10:15 on Mon 14 Oct to 12:00 on Tue 15 Oct. They are together from 20:31 on Mon 14 Oct to 12:00 on Tue 15 Oct.", "fact": "2002-10-14T18:30:41Z → 2002-10-15T09:59:42Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:56–17:25 on the 14th, 05:57–17:24 on the 15th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 689 minutes on the 14th and 363 of 687 on the 15th.", "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 11114 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Cairo, 2002: Tuesday 15 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": "2002-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-15", "confidence": "determinate" } ], "quote": "In Cairo, Vijayā Daśamī (Dussehra) 2002 falls on Tuesday 15 October. Daśamī runs from 20:31 on Mon 14 Oct to 21:54 on Tue 15 Oct and is with Śravaṇa in the day time that day, for 363 minutes.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-10-16", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22412, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-10-15T21:53:59+02:00", "utc": "2002-10-15T19:53:59Z", "ms": 1034711639460.9471 }, "end": { "local": "2002-10-16T23:44:43+02:00", "utc": "2002-10-16T21:44:43Z", "ms": 1034804682979.8627 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-15T21:53:59+02:00", "utc": "2002-10-15T19:53:59Z", "ms": 1034711639460.9471 }, "end": { "local": "2002-10-16T23:44:43+02:00", "utc": "2002-10-16T21:44:43Z", "ms": 1034804682979.8627 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-10-16", "window": { "start": { "local": "2002-10-16T05:57:35+02:00", "utc": "2002-10-16T03:57:35Z", "ms": 1034740655021.0703 }, "end": { "local": "2002-10-16T05:57:35+02:00", "utc": "2002-10-16T03:57:35Z", "ms": 1034740655021.0703 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-10-17", "window": { "start": { "local": "2002-10-17T05:58:15+02:00", "utc": "2002-10-17T03:58:15Z", "ms": 1034827094513.1428 }, "end": { "local": "2002-10-17T05:58:15+02:00", "utc": "2002-10-17T03:58:15Z", "ms": 1034827094513.1428 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:54 on Tue 15 Oct to 23:45 on Wed 16 Oct.", "fact": "2002-10-15T19:53:59Z → 2002-10-16T21:44:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:58 on the 16th and 05:58 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22412 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Cairo, 2002: Wednesday 16 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": "2002-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-16", "confidence": "determinate" } ], "quote": "In Cairo, Pāśāṅkuśā Ekādaśī 2002 falls on Wednesday 16 October. Ekādaśī runs from 21:54 on Tue 15 Oct to 23:45 on Wed 16 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-10-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24730, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-10-18T01:55:15+02:00", "utc": "2002-10-17T23:55:15Z", "ms": 1034898915292.0249 }, "end": { "local": "2002-10-19T04:18:35+02:00", "utc": "2002-10-19T02:18:35Z", "ms": 1034993915036.4204 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2002-10-18T01:55:15+02:00", "utc": "2002-10-17T23:55:15Z", "ms": 1034898915292.0249 }, "end": { "local": "2002-10-19T04:18:35+02:00", "utc": "2002-10-19T02:18:35Z", "ms": 1034993915036.4204 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-10-17", "window": { "start": { "local": "2002-10-17T17:22:11+02:00", "utc": "2002-10-17T15:22:11Z", "ms": 1034868131400.9506 }, "end": { "local": "2002-10-17T19:03:05+02:00", "utc": "2002-10-17T17:03:05Z", "ms": 1034874185131.7687 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "2002-10-18", "window": { "start": { "local": "2002-10-18T17:21:08+02:00", "utc": "2002-10-18T15:21:08Z", "ms": 1034954467635.2662 }, "end": { "local": "2002-10-18T19:02:15+02:00", "utc": "2002-10-18T17:02:15Z", "ms": 1034960535235.3939 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:55 on Fri 18 Oct to 04:19 on Sat 19 Oct.", "fact": "2002-10-17T23:55:15Z → 2002-10-19T02:18:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:22–19:03 on the 17th, 17:21–19:02 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 17th and 101 of 101 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 24730 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Friday 18 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": "2002-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-18", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Friday 18 October. Trayodaśī runs from 01:55 on Fri 18 Oct to 04:19 on Sat 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7701, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-10-24T16:11:05+02:00", "utc": "2002-10-24T14:11:05Z", "ms": 1035468664661.7079 }, "end": { "local": "2002-10-25T17:53:45+02:00", "utc": "2002-10-25T15:53:45Z", "ms": 1035561225196.8735 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-10-24T16:11:05+02:00", "utc": "2002-10-24T14:11:05Z", "ms": 1035468664661.7079 }, "end": { "local": "2002-10-25T17:53:45+02:00", "utc": "2002-10-25T15:53:45Z", "ms": 1035561225196.8735 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-10-24", "window": { "start": { "local": "2002-10-24T19:19:28+02:00", "utc": "2002-10-24T17:19:28Z", "ms": 1035479967901.7657 }, "end": { "local": "2002-10-24T19:19:28+02:00", "utc": "2002-10-24T17:19:28Z", "ms": 1035479967901.7657 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-10-25", "window": { "start": { "local": "2002-10-25T20:02:06+02:00", "utc": "2002-10-25T18:02:06Z", "ms": 1035568925803.2999 }, "end": { "local": "2002-10-25T20:02:06+02:00", "utc": "2002-10-25T18:02:06Z", "ms": 1035568925803.2999 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:11 on Thu 24 Oct to 17:54 on Fri 25 Oct.", "fact": "2002-10-24T14:11:05Z → 2002-10-25T15:53:45Z" }, { "step": "kaala", "text": "Moonrise is at 19:19 on the 24th and 20:02 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 24th and is not on the 25th.", "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 7701 s" }, { "step": "ruling", "text": "Karaka Caturthī, Cairo, 2002: Thursday 24 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": "2002-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-24", "confidence": "determinate" } ], "quote": "In Cairo, Karaka Caturthī (Karwa Chauth) 2002 falls on Thursday 24 October. Caturthī runs from 16:11 on Thu 24 Oct to 17:54 on Fri 25 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-10-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7701, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-10-24T16:11:05+02:00", "utc": "2002-10-24T14:11:05Z", "ms": 1035468664661.7079 }, "end": { "local": "2002-10-25T17:53:45+02:00", "utc": "2002-10-25T15:53:45Z", "ms": 1035561225196.8735 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-10-24T16:11:05+02:00", "utc": "2002-10-24T14:11:05Z", "ms": 1035468664661.7079 }, "end": { "local": "2002-10-25T17:53:45+02:00", "utc": "2002-10-25T15:53:45Z", "ms": 1035561225196.8735 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-10-24", "window": { "start": { "local": "2002-10-24T19:19:28+02:00", "utc": "2002-10-24T17:19:28Z", "ms": 1035479967901.7657 }, "end": { "local": "2002-10-24T19:19:28+02:00", "utc": "2002-10-24T17:19:28Z", "ms": 1035479967901.7657 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-10-25", "window": { "start": { "local": "2002-10-25T20:02:06+02:00", "utc": "2002-10-25T18:02:06Z", "ms": 1035568925803.2999 }, "end": { "local": "2002-10-25T20:02:06+02:00", "utc": "2002-10-25T18:02:06Z", "ms": 1035568925803.2999 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:11 on Thu 24 Oct to 17:54 on Fri 25 Oct.", "fact": "2002-10-24T14:11:05Z → 2002-10-25T15:53:45Z" }, { "step": "kaala", "text": "Moonrise is at 19:19 on the 24th and 20:02 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7701 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Thursday 24 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": "2002-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-24", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Thursday 24 October. Caturthī runs from 16:11 on Thu 24 Oct to 17:54 on Fri 25 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10840, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-10-28T19:44:46+02:00", "utc": "2002-10-28T17:44:46Z", "ms": 1035827085999.9268 }, "end": { "local": "2002-10-29T18:59:33+02:00", "utc": "2002-10-29T16:59:33Z", "ms": 1035910772969.1804 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-10-28T19:44:46+02:00", "utc": "2002-10-28T17:44:46Z", "ms": 1035827085999.9268 }, "end": { "local": "2002-10-29T18:59:33+02:00", "utc": "2002-10-29T16:59:33Z", "ms": 1035910772969.1804 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-10-28", "window": { "start": { "local": "2002-10-28T22:45:26+02:00", "utc": "2002-10-28T20:45:26Z", "ms": 1035837926041.4921 }, "end": { "local": "2002-10-28T22:45:26+02:00", "utc": "2002-10-28T20:45:26Z", "ms": 1035837926041.4921 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-10-29", "window": { "start": { "local": "2002-10-29T23:49:07+02:00", "utc": "2002-10-29T21:49:07Z", "ms": 1035928146680.7655 }, "end": { "local": "2002-10-29T23:49:07+02:00", "utc": "2002-10-29T21:49:07Z", "ms": 1035928146680.7655 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:45 on Mon 28 Oct to 19:00 on Tue 29 Oct.", "fact": "2002-10-28T17:44:46Z → 2002-10-29T16:59:33Z" }, { "step": "kaala", "text": "Moonrise is at 22:45 on the 28th and 23:49 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10840 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Cairo, 2002: Monday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-10-28", "confidence": "determinate" } ], "quote": "In Cairo, Ahoyī Aṣṭamī 2002 falls on Monday 28 October. Aṣṭamī runs from 19:45 on Mon 28 Oct to 19:00 on Tue 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-11-01", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23274, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-10-31T15:21:26+02:00", "utc": "2002-10-31T13:21:26Z", "ms": 1036070486448.1719 }, "end": { "local": "2002-11-01T12:36:49+02:00", "utc": "2002-11-01T10:36:49Z", "ms": 1036147009059.4944 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-10-31T15:21:26+02:00", "utc": "2002-10-31T13:21:26Z", "ms": 1036070486448.1719 }, "end": { "local": "2002-11-01T12:36:49+02:00", "utc": "2002-11-01T10:36:49Z", "ms": 1036147009059.4944 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-10-31", "window": { "start": { "local": "2002-10-31T06:08:10+02:00", "utc": "2002-10-31T04:08:10Z", "ms": 1036037289848.0277 }, "end": { "local": "2002-10-31T06:08:10+02:00", "utc": "2002-10-31T04:08:10Z", "ms": 1036037289848.0277 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-11-01", "window": { "start": { "local": "2002-11-01T06:08:56+02:00", "utc": "2002-11-01T04:08:56Z", "ms": 1036123735510.3938 }, "end": { "local": "2002-11-01T06:08:56+02:00", "utc": "2002-11-01T04:08:56Z", "ms": 1036123735510.3938 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:21 on Thu 31 Oct to 12:37 on Fri 1 Nov.", "fact": "2002-10-31T13:21:26Z → 2002-11-01T10:36:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 on the 31st and 06:09 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 23274 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Cairo, 2002: Friday 1 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": "2002-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-01", "confidence": "determinate" } ], "quote": "In Cairo, Ramā Ekādaśī 2002 falls on Friday 1 November. Ekādaśī runs from 15:21 on Thu 31 Oct to 12:37 on Fri 1 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16266, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-11-01T12:36:49+02:00", "utc": "2002-11-01T10:36:49Z", "ms": 1036147009059.4944 }, "end": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-01T12:36:49+02:00", "utc": "2002-11-01T10:36:49Z", "ms": 1036147009059.4944 }, "end": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-01", "window": { "start": { "local": "2002-11-01T17:07:55+02:00", "utc": "2002-11-01T15:07:55Z", "ms": 1036163275266.6881 }, "end": { "local": "2002-11-01T18:52:09+02:00", "utc": "2002-11-01T16:52:09Z", "ms": 1036169529440.6389 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2002-11-02", "window": { "start": { "local": "2002-11-02T17:07:07+02:00", "utc": "2002-11-02T15:07:07Z", "ms": 1036249627027.7472 }, "end": { "local": "2002-11-02T18:51:34+02:00", "utc": "2002-11-02T16:51:34Z", "ms": 1036255893826.4696 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:37 on Fri 1 Nov to 09:24 on Sat 2 Nov.", "fact": "2002-11-01T10:36:49Z → 2002-11-02T07:24:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:08–18:52 on the 1st, 17:07–18:52 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 1st and 0 of 104 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16266 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Cairo, 2002: Friday 1 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": "2002-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-01", "confidence": "determinate" } ], "quote": "In Cairo, Govatsa Dvādaśī (Vasu Baras) 2002 falls on Friday 1 November. Dvādaśī runs from 12:37 on Fri 1 Nov to 09:24 on Sat 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27760, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 }, "end": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 }, "end": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-02", "window": { "start": { "local": "2002-11-02T17:07:07+02:00", "utc": "2002-11-02T15:07:07Z", "ms": 1036249627027.7472 }, "end": { "local": "2002-11-02T18:51:34+02:00", "utc": "2002-11-02T16:51:34Z", "ms": 1036255893826.4696 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T17:06:20+02:00", "utc": "2002-11-03T15:06:20Z", "ms": 1036335980049.3959 }, "end": { "local": "2002-11-03T18:50:59+02:00", "utc": "2002-11-03T16:50:59Z", "ms": 1036342259354.2716 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:24 on Sat 2 Nov to 05:53 on Sun 3 Nov.", "fact": "2002-11-02T07:24:27Z → 2002-11-03T03:53:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:07–18:52 on the 2nd, 17:06–18:51 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 104 of 104 minutes on the 2nd and 0 of 105 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27760 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Cairo, 2002: Saturday 2 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": "2002-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-02", "confidence": "determinate" } ], "quote": "In Cairo, Yama Dīpadāna 2002 falls on Saturday 2 November. Trayodaśī runs from 09:24 on Sat 2 Nov to 05:53 on Sun 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-11-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27760, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 }, "end": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-02T09:24:27+02:00", "utc": "2002-11-02T07:24:27Z", "ms": 1036221866619.4384 }, "end": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-02", "window": { "start": { "local": "2002-11-02T17:07:07+02:00", "utc": "2002-11-02T15:07:07Z", "ms": 1036249627027.7472 }, "end": { "local": "2002-11-02T18:51:34+02:00", "utc": "2002-11-02T16:51:34Z", "ms": 1036255893826.4696 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T17:06:20+02:00", "utc": "2002-11-03T15:06:20Z", "ms": 1036335980049.3959 }, "end": { "local": "2002-11-03T18:50:59+02:00", "utc": "2002-11-03T16:50:59Z", "ms": 1036342259354.2716 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:24 on Sat 2 Nov to 05:53 on Sun 3 Nov.", "fact": "2002-11-02T07:24:27Z → 2002-11-03T03:53:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:07–18:52 on the 2nd, 17:06–18:51 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 104 of 104 minutes on the 2nd and 0 of 105 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 27760 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Saturday 2 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": "2002-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-02", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Saturday 2 November. Trayodaśī runs from 09:24 on Sat 2 Nov to 05:53 on Sun 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1032, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "end": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "end": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 } }, "kaala": "arunodaya", "days": [ { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T04:26:01+02:00", "utc": "2002-11-03T02:26:01Z", "ms": 1036290361219.4431 }, "end": { "local": "2002-11-03T06:10:28+02:00", "utc": "2002-11-03T04:10:28Z", "ms": 1036296628018.1655 } }, "covered_min": 17, "window_min": 104, "qualifies": true }, { "local_date": "2002-11-04", "window": { "start": { "local": "2002-11-04T04:26:36+02:00", "utc": "2002-11-04T02:26:36Z", "ms": 1036376795531.0884 }, "end": { "local": "2002-11-04T06:11:15+02:00", "utc": "2002-11-04T04:11:15Z", "ms": 1036383074835.9641 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:53 on Sun 3 Nov to 02:13 on Mon 4 Nov.", "fact": "2002-11-03T03:53:16Z → 2002-11-04T00:13:10Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:26–06:10 on the 3rd, 04:27–06:11 on the 4th.", "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 17 of 104 minutes on the 3rd and 0 of 105 on the 4th.", "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 1032 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Cairo, 2002: Sunday 3 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": "2002-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-03", "confidence": "determinate" } ], "quote": "In Cairo, Naraka Caturdaśī (Choti Diwali) 2002 falls on Sunday 3 November. Caturdaśī runs from 05:53 on Sun 3 Nov to 02:13 on Mon 4 Nov and covers 17 of 104 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-03", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2422, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "end": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "end": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 } }, "kaala": "nishita", "days": [ { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T23:14:47+02:00", "utc": "2002-11-03T21:14:47Z", "ms": 1036358087442.6799 }, "end": { "local": "2002-11-04T00:02:47+02:00", "utc": "2002-11-03T22:02:47Z", "ms": 1036360967442.6799 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-04", "window": { "start": { "local": "2002-11-04T23:14:48+02:00", "utc": "2002-11-04T21:14:48Z", "ms": 1036444488180.9274 }, "end": { "local": "2002-11-05T00:02:48+02:00", "utc": "2002-11-04T22:02:48Z", "ms": 1036447368180.9274 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:13 on Mon 4 Nov to 22:34 on Mon 4 Nov.", "fact": "2002-11-04T00:13:10Z → 2002-11-04T20:34:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:15–00:03 on the 3rd, 23:15–00:03 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2422 s" }, { "step": "ruling", "text": "Kālī Pūjā, Cairo, 2002: Sunday 3 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2002-11-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-03", "confidence": "boundary" } ], "quote": "In Cairo, Kālī Pūjā 2002 falls on Sunday 3 November. Amāvasyā runs from 02:13 on Mon 4 Nov to 22:34 on Mon 4 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/shivaratri?on=2002-11-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7822, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "end": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-03T05:53:16+02:00", "utc": "2002-11-03T03:53:16Z", "ms": 1036295596137.0374 }, "end": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 } }, "kaala": "nishita", "days": [ { "local_date": "2002-11-02", "window": { "start": { "local": "2002-11-02T23:14:48+02:00", "utc": "2002-11-02T21:14:48Z", "ms": 1036271687522.9563 }, "end": { "local": "2002-11-03T00:02:48+02:00", "utc": "2002-11-02T22:02:48Z", "ms": 1036274567522.9563 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T23:14:47+02:00", "utc": "2002-11-03T21:14:47Z", "ms": 1036358087442.6799 }, "end": { "local": "2002-11-04T00:02:47+02:00", "utc": "2002-11-03T22:02:47Z", "ms": 1036360967442.6799 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:53 on Sun 3 Nov to 02:13 on Mon 4 Nov.", "fact": "2002-11-03T03:53:16Z → 2002-11-04T00:13:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:15–00:03 on the 2nd, 23:15–00:03 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7822 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Sunday 3 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": "2002-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-03", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Sunday 3 November. Caturdaśī runs from 05:53 on Sun 3 Nov to 02:13 on Mon 4 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13441, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "end": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-04T02:13:10+02:00", "utc": "2002-11-04T00:13:10Z", "ms": 1036368789746.3401 }, "end": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-03", "window": { "start": { "local": "2002-11-03T17:06:20+02:00", "utc": "2002-11-03T15:06:20Z", "ms": 1036335980049.3959 }, "end": { "local": "2002-11-03T18:50:59+02:00", "utc": "2002-11-03T16:50:59Z", "ms": 1036342259354.2716 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2002-11-04", "window": { "start": { "local": "2002-11-04T17:05:34+02:00", "utc": "2002-11-04T15:05:34Z", "ms": 1036422334354.3215 }, "end": { "local": "2002-11-04T18:50:26+02:00", "utc": "2002-11-04T16:50:26Z", "ms": 1036428626041.4164 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:13 on Mon 4 Nov to 22:34 on Mon 4 Nov.", "fact": "2002-11-04T00:13:10Z → 2002-11-04T20:34:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:06–18:51 on the 3rd, 17:06–18:50 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 105 minutes on the 3rd and 105 of 105 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13441 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Cairo, 2002: Monday 4 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": "2002-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-04", "confidence": "determinate" } ], "quote": "In Cairo, Lakṣmī Pūjā (Diwali) 2002 falls on Monday 4 November. Amāvasyā runs from 02:13 on Mon 4 Nov to 22:34 on Mon 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25503, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-04", "window": { "start": { "local": "2002-11-04T11:14:25+02:00", "utc": "2002-11-04T09:14:25Z", "ms": 1036401264595.1428 }, "end": { "local": "2002-11-04T12:02:25+02:00", "utc": "2002-11-04T10:02:25Z", "ms": 1036404144595.1428 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-05", "window": { "start": { "local": "2002-11-05T11:14:26+02:00", "utc": "2002-11-05T09:14:26Z", "ms": 1036487665985.8718 }, "end": { "local": "2002-11-05T12:02:26+02:00", "utc": "2002-11-05T10:02:26Z", "ms": 1036490545985.8718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov.", "fact": "2002-11-04T20:34:27Z → 2002-11-05T17:07:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 4th, 11:14–12:02 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25503 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Cairo, 2002: Tuesday 5 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": "2002-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-05", "confidence": "determinate" } ], "quote": "In Cairo, Govardhana Pūjā 2002 falls on Tuesday 5 November. Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1055, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-04", "window": { "start": { "local": "2002-11-04T17:05:34+02:00", "utc": "2002-11-04T15:05:34Z", "ms": 1036422334354.3215 }, "end": { "local": "2002-11-04T18:50:26+02:00", "utc": "2002-11-04T16:50:26Z", "ms": 1036428626041.4164 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2002-11-05", "window": { "start": { "local": "2002-11-05T17:04:50+02:00", "utc": "2002-11-05T15:04:50Z", "ms": 1036508689964.2103 }, "end": { "local": "2002-11-05T18:49:54+02:00", "utc": "2002-11-05T16:49:54Z", "ms": 1036514993904.1659 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov.", "fact": "2002-11-04T20:34:27Z → 2002-11-05T17:07:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:06–18:50 on the 4th, 17:05–18:50 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 105 minutes on the 4th and 105 of 105 on the 5th.", "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 1055 s" }, { "step": "ruling", "text": "Bali Pūjā, Cairo, 2002: Tuesday 5 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": "2002-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-05", "confidence": "determinate" } ], "quote": "In Cairo, Bali Pūjā 2002 falls on Tuesday 5 November. Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27455, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-04T22:34:27+02:00", "utc": "2002-11-04T20:34:27Z", "ms": 1036442066643.0344 }, "end": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 } }, "kaala": "purvahna", "days": [ { "local_date": "2002-11-05", "window": { "start": { "local": "2002-11-05T06:12:02+02:00", "utc": "2002-11-05T04:12:02Z", "ms": 1036469522007.5332 }, "end": { "local": "2002-11-05T09:49:38+02:00", "utc": "2002-11-05T07:49:38Z", "ms": 1036482577993.0923 } }, "covered_min": 218, "window_min": 218, "qualifies": true }, { "local_date": "2002-11-06", "window": { "start": { "local": "2002-11-06T06:12:50+02:00", "utc": "2002-11-06T04:12:50Z", "ms": 1036555969513.8774 }, "end": { "local": "2002-11-06T09:49:55+02:00", "utc": "2002-11-06T07:49:55Z", "ms": 1036568995309.3632 } }, "covered_min": 0, "window_min": 217, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov.", "fact": "2002-11-04T20:34:27Z → 2002-11-05T17:07:29Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:12–09:50 on the 5th, 06:13–09:50 on the 6th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 5th and 0 of 217 on the 6th.", "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 27455 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Cairo, 2002: Tuesday 5 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": "2002-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-05", "confidence": "determinate" } ], "quote": "In Cairo, Dyūta Pratipad 2002 falls on Tuesday 5 November. Pratipadā runs from 22:34 on Mon 4 Nov to 19:07 on Tue 5 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14387, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 }, "end": { "local": "2002-11-06T16:02:16+02:00", "utc": "2002-11-06T14:02:16Z", "ms": 1036591335665.8192 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-05T19:07:29+02:00", "utc": "2002-11-05T17:07:29Z", "ms": 1036516048543.0692 }, "end": { "local": "2002-11-06T16:02:16+02:00", "utc": "2002-11-06T14:02:16Z", "ms": 1036591335665.8192 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-05", "window": { "start": { "local": "2002-11-05T11:14:26+02:00", "utc": "2002-11-05T09:14:26Z", "ms": 1036487665985.8718 }, "end": { "local": "2002-11-05T12:02:26+02:00", "utc": "2002-11-05T10:02:26Z", "ms": 1036490545985.8718 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-06", "window": { "start": { "local": "2002-11-06T11:14:28+02:00", "utc": "2002-11-06T09:14:28Z", "ms": 1036574068207.106 }, "end": { "local": "2002-11-06T12:02:28+02:00", "utc": "2002-11-06T10:02:28Z", "ms": 1036576948207.106 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:07 on Tue 5 Nov to 16:02 on Wed 6 Nov.", "fact": "2002-11-05T17:07:29Z → 2002-11-06T14:02:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 5th, 11:14–12:02 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14387 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Cairo, 2002: Wednesday 6 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": "2002-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-06", "confidence": "determinate" } ], "quote": "In Cairo, Yama Dvitīyā (Bhai Dooj) 2002 falls on Wednesday 6 November. Dvitīyā runs from 19:07 on Tue 5 Nov to 16:02 on Wed 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1076, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-11-07T13:28:00+02:00", "utc": "2002-11-07T11:28:00Z", "ms": 1036668479718.5928 }, "end": { "local": "2002-11-08T11:32:31+02:00", "utc": "2002-11-08T09:32:31Z", "ms": 1036747951114.4458 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-07T13:28:00+02:00", "utc": "2002-11-07T11:28:00Z", "ms": 1036668479718.5928 }, "end": { "local": "2002-11-08T11:32:31+02:00", "utc": "2002-11-08T09:32:31Z", "ms": 1036747951114.4458 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-07", "window": { "start": { "local": "2002-11-07T11:14:31+02:00", "utc": "2002-11-07T09:14:31Z", "ms": 1036660471259.4324 }, "end": { "local": "2002-11-07T12:02:31+02:00", "utc": "2002-11-07T10:02:31Z", "ms": 1036663351259.4324 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-08", "window": { "start": { "local": "2002-11-08T11:14:35+02:00", "utc": "2002-11-08T09:14:35Z", "ms": 1036746875143.3555 }, "end": { "local": "2002-11-08T12:02:35+02:00", "utc": "2002-11-08T10:02:35Z", "ms": 1036749755143.3555 } }, "covered_min": 18, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:28 on Thu 7 Nov to 11:33 on Fri 8 Nov.", "fact": "2002-11-07T11:28:00Z → 2002-11-08T09:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 7th, 11:15–12:03 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 18 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1076 s" }, { "step": "ruling", "text": "Nāga Caturthī, Cairo, 2002: Friday 8 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": "2002-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-08", "confidence": "determinate" } ], "quote": "In Cairo, Nāga Caturthī 2002 falls on Friday 8 November. Caturthī runs from 13:28 on Thu 7 Nov to 11:33 on Fri 8 Nov and covers 18 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-11-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1076, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-11-07T13:28:00+02:00", "utc": "2002-11-07T11:28:00Z", "ms": 1036668479718.5928 }, "end": { "local": "2002-11-08T11:32:31+02:00", "utc": "2002-11-08T09:32:31Z", "ms": 1036747951114.4458 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-07T13:28:00+02:00", "utc": "2002-11-07T11:28:00Z", "ms": 1036668479718.5928 }, "end": { "local": "2002-11-08T11:32:31+02:00", "utc": "2002-11-08T09:32:31Z", "ms": 1036747951114.4458 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-07", "window": { "start": { "local": "2002-11-07T11:14:31+02:00", "utc": "2002-11-07T09:14:31Z", "ms": 1036660471259.4324 }, "end": { "local": "2002-11-07T12:02:31+02:00", "utc": "2002-11-07T10:02:31Z", "ms": 1036663351259.4324 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-08", "window": { "start": { "local": "2002-11-08T11:14:35+02:00", "utc": "2002-11-08T09:14:35Z", "ms": 1036746875143.3555 }, "end": { "local": "2002-11-08T12:02:35+02:00", "utc": "2002-11-08T10:02:35Z", "ms": 1036749755143.3555 } }, "covered_min": 18, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:28 on Thu 7 Nov to 11:33 on Fri 8 Nov.", "fact": "2002-11-07T11:28:00Z → 2002-11-08T09:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 7th, 11:15–12:03 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 18 of 48 on the 8th.", "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 1076 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Friday 8 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": "2002-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-08", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Friday 8 November. Caturthī runs from 13:28 on Thu 7 Nov to 11:33 on Fri 8 Nov and covers 18 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3180, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-11-09T10:21:40+02:00", "utc": "2002-11-09T08:21:40Z", "ms": 1036830099943.0487 }, "end": { "local": "2002-11-10T09:58:34+02:00", "utc": "2002-11-10T07:58:34Z", "ms": 1036915114263.4393 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-09T10:21:40+02:00", "utc": "2002-11-09T08:21:40Z", "ms": 1036830099943.0487 }, "end": { "local": "2002-11-10T09:58:34+02:00", "utc": "2002-11-10T07:58:34Z", "ms": 1036915114263.4393 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-09", "window": { "start": { "local": "2002-11-09T11:14:40+02:00", "utc": "2002-11-09T09:14:40Z", "ms": 1036833279859.5625 }, "end": { "local": "2002-11-09T12:02:40+02:00", "utc": "2002-11-09T10:02:40Z", "ms": 1036836159859.5625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-11-10", "window": { "start": { "local": "2002-11-10T11:14:45+02:00", "utc": "2002-11-10T09:14:45Z", "ms": 1036919685408.968 }, "end": { "local": "2002-11-10T12:02:45+02:00", "utc": "2002-11-10T10:02:45Z", "ms": 1036922565408.968 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:22 on Sat 9 Nov to 09:59 on Sun 10 Nov.", "fact": "2002-11-09T08:21:40Z → 2002-11-10T07:58:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 9th, 11:15–12:03 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3180 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Cairo, 2002: Saturday 9 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": "2002-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-09", "confidence": "determinate" } ], "quote": "In Cairo, Sūrya Ṣaṣṭhī (Chhath) 2002 falls on Saturday 9 November. Ṣaṣṭhī runs from 10:22 on Sat 9 Nov to 09:59 on Sun 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 988, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2002-11-11T10:23:05+02:00", "utc": "2002-11-11T08:23:05Z", "ms": 1037002984535.9795 }, "end": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-11T10:23:05+02:00", "utc": "2002-11-11T08:23:05Z", "ms": 1037002984535.9795 }, "end": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-11", "window": { "start": { "local": "2002-11-11T11:14:52+02:00", "utc": "2002-11-11T09:14:52Z", "ms": 1037006091792.5963 }, "end": { "local": "2002-11-11T12:02:52+02:00", "utc": "2002-11-11T10:02:52Z", "ms": 1037008971792.5963 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-11-12", "window": { "start": { "local": "2002-11-12T11:14:59+02:00", "utc": "2002-11-12T09:14:59Z", "ms": 1037092499011.3885 }, "end": { "local": "2002-11-12T12:02:59+02:00", "utc": "2002-11-12T10:02:59Z", "ms": 1037095379011.3885 } }, "covered_min": 16, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:23 on Mon 11 Nov to 11:31 on Tue 12 Nov.", "fact": "2002-11-11T08:23:05Z → 2002-11-12T09:31:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 11th, 11:15–12:03 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 16 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 988 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Cairo, 2002: Monday 11 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-11-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-11", "confidence": "boundary" } ], "quote": "In Cairo, Gopāṣṭamī 2002 falls on Monday 11 November. Aṣṭamī runs from 10:23 on Mon 11 Nov to 11:31 on Tue 12 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 16 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/cairo/festivals/2002/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": "/cairo/festivals/2002/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 988, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 }, "end": { "local": "2002-11-13T13:16:40+02:00", "utc": "2002-11-13T11:16:40Z", "ms": 1037186199953.2251 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 }, "end": { "local": "2002-11-13T13:16:40+02:00", "utc": "2002-11-13T11:16:40Z", "ms": 1037186199953.2251 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-12", "window": { "start": { "local": "2002-11-12T11:14:59+02:00", "utc": "2002-11-12T09:14:59Z", "ms": 1037092499011.3885 }, "end": { "local": "2002-11-12T12:02:59+02:00", "utc": "2002-11-12T10:02:59Z", "ms": 1037095379011.3885 } }, "covered_min": 32, "window_min": 48, "qualifies": true }, { "local_date": "2002-11-13", "window": { "start": { "local": "2002-11-13T11:15:07+02:00", "utc": "2002-11-13T09:15:07Z", "ms": 1037178907066.0079 }, "end": { "local": "2002-11-13T12:03:07+02:00", "utc": "2002-11-13T10:03:07Z", "ms": 1037181787066.0079 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:31 on Tue 12 Nov to 13:17 on Wed 13 Nov.", "fact": "2002-11-12T09:31:27Z → 2002-11-13T11:16:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 12th, 11:15–12:03 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 32 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 988 s" }, { "step": "ruling", "text": "Durgā Navamī, Cairo, 2002: Tuesday 12 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": "2002-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-12", "confidence": "determinate" } ], "quote": "In Cairo, Durgā Navamī 2002 falls on Tuesday 12 November. Navamī runs from 11:31 on Tue 12 Nov to 13:17 on Wed 13 Nov and covers 32 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5974, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 }, "end": { "local": "2002-11-13T13:16:40+02:00", "utc": "2002-11-13T11:16:40Z", "ms": 1037186199953.2251 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-12T11:31:27+02:00", "utc": "2002-11-12T09:31:27Z", "ms": 1037093487218.8483 }, "end": { "local": "2002-11-13T13:16:40+02:00", "utc": "2002-11-13T11:16:40Z", "ms": 1037186199953.2251 } }, "kaala": "purvahna", "days": [ { "local_date": "2002-11-12", "window": { "start": { "local": "2002-11-12T06:17:40+02:00", "utc": "2002-11-12T04:17:40Z", "ms": 1037074660424.6808 }, "end": { "local": "2002-11-12T09:51:53+02:00", "utc": "2002-11-12T07:51:53Z", "ms": 1037087512815.8193 } }, "covered_min": 0, "window_min": 214, "qualifies": false }, { "local_date": "2002-11-13", "window": { "start": { "local": "2002-11-13T06:18:30+02:00", "utc": "2002-11-13T04:18:30Z", "ms": 1037161109693.376 }, "end": { "local": "2002-11-13T09:52:15+02:00", "utc": "2002-11-13T07:52:15Z", "ms": 1037173934608.464 } }, "covered_min": 214, "window_min": 214, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:31 on Tue 12 Nov to 13:17 on Wed 13 Nov.", "fact": "2002-11-12T09:31:27Z → 2002-11-13T11:16:40Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:18–09:52 on the 12th, 06:18–09:52 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 214 minutes on the 12th and 214 of 214 on the 13th.", "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 5974 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Cairo, 2002: Wednesday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-13", "confidence": "determinate" } ], "quote": "In Cairo, Akṣaya Navamī (Amla Navami) 2002 falls on Wednesday 13 November. Navamī runs from 11:31 on Tue 12 Nov to 13:17 on Wed 13 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-11-15", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32993, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-11-14T15:29:13+02:00", "utc": "2002-11-14T13:29:13Z", "ms": 1037280552547.6969 }, "end": { "local": "2002-11-15T17:58:24+02:00", "utc": "2002-11-15T15:58:24Z", "ms": 1037375904190.8059 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-14T15:29:13+02:00", "utc": "2002-11-14T13:29:13Z", "ms": 1037280552547.6969 }, "end": { "local": "2002-11-15T17:58:24+02:00", "utc": "2002-11-15T15:58:24Z", "ms": 1037375904190.8059 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-11-14", "window": { "start": { "local": "2002-11-14T06:19:19+02:00", "utc": "2002-11-14T04:19:19Z", "ms": 1037247559129.4858 }, "end": { "local": "2002-11-14T06:19:19+02:00", "utc": "2002-11-14T04:19:19Z", "ms": 1037247559129.4858 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-11-15", "window": { "start": { "local": "2002-11-15T06:20:09+02:00", "utc": "2002-11-15T04:20:09Z", "ms": 1037334008710.883 }, "end": { "local": "2002-11-15T06:20:09+02:00", "utc": "2002-11-15T04:20:09Z", "ms": 1037334008710.883 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:29 on Thu 14 Nov to 17:58 on Fri 15 Nov.", "fact": "2002-11-14T13:29:13Z → 2002-11-15T15:58:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 14th and 06:20 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 32993 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Cairo, 2002: Friday 15 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": "2002-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-15", "confidence": "determinate" } ], "quote": "In Cairo, Prabodhinī Ekādaśī 2002 falls on Friday 15 November. Ekādaśī runs from 15:29 on Thu 14 Nov to 17:58 on Fri 15 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-11-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6503, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-11-16T20:33:46+02:00", "utc": "2002-11-16T18:33:46Z", "ms": 1037471625662.4404 }, "end": { "local": "2002-11-17T23:06:04+02:00", "utc": "2002-11-17T21:06:04Z", "ms": 1037567163643.2655 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-16T20:33:46+02:00", "utc": "2002-11-16T18:33:46Z", "ms": 1037471625662.4404 }, "end": { "local": "2002-11-17T23:06:04+02:00", "utc": "2002-11-17T21:06:04Z", "ms": 1037567163643.2655 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-11-16", "window": { "start": { "local": "2002-11-16T16:58:14+02:00", "utc": "2002-11-16T14:58:14Z", "ms": 1037458694073.6456 }, "end": { "local": "2002-11-16T18:45:23+02:00", "utc": "2002-11-16T16:45:23Z", "ms": 1037465122626.173 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "2002-11-17", "window": { "start": { "local": "2002-11-17T16:57:47+02:00", "utc": "2002-11-17T14:57:47Z", "ms": 1037545067059.2473 }, "end": { "local": "2002-11-17T18:45:06+02:00", "utc": "2002-11-17T16:45:06Z", "ms": 1037551505864.0245 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:34 on Sat 16 Nov to 23:06 on Sun 17 Nov.", "fact": "2002-11-16T18:33:46Z → 2002-11-17T21:06:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:45 on the 16th, 16:58–18:45 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 16th and 107 of 107 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6503 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Sunday 17 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": "2002-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-17", "confidence": "determinate" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Sunday 17 November. Trayodaśī runs from 20:34 on Sat 16 Nov to 23:06 on Sun 17 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27767, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-11-19T01:27:53+02:00", "utc": "2002-11-18T23:27:53Z", "ms": 1037662073440.4629 }, "end": { "local": "2002-11-20T03:33:40+02:00", "utc": "2002-11-20T01:33:40Z", "ms": 1037756019973.1501 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-19T01:27:53+02:00", "utc": "2002-11-18T23:27:53Z", "ms": 1037662073440.4629 }, "end": { "local": "2002-11-20T03:33:40+02:00", "utc": "2002-11-20T01:33:40Z", "ms": 1037756019973.1501 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-11-19", "window": { "start": { "local": "2002-11-19T11:16:13+02:00", "utc": "2002-11-19T09:16:13Z", "ms": 1037697372915.6733 }, "end": { "local": "2002-11-19T12:04:13+02:00", "utc": "2002-11-19T10:04:13Z", "ms": 1037700252915.6733 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-11-20", "window": { "start": { "local": "2002-11-20T11:16:27+02:00", "utc": "2002-11-20T09:16:27Z", "ms": 1037783786791.4562 }, "end": { "local": "2002-11-20T12:04:27+02:00", "utc": "2002-11-20T10:04:27Z", "ms": 1037786666791.4562 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:28 on Tue 19 Nov to 03:34 on Wed 20 Nov.", "fact": "2002-11-18T23:27:53Z → 2002-11-20T01:33:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 19th, 11:16–12:04 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27767 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Cairo, 2002: Tuesday 19 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": "2002-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-19", "confidence": "determinate" } ], "quote": "In Cairo, Kārtikī Pūrṇimā 2002 falls on Tuesday 19 November. Pūrṇimā runs from 01:28 on Tue 19 Nov to 03:34 on Wed 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5009, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-11-19T01:27:53+02:00", "utc": "2002-11-18T23:27:53Z", "ms": 1037662073440.4629 }, "end": { "local": "2002-11-20T03:33:40+02:00", "utc": "2002-11-20T01:33:40Z", "ms": 1037756019973.1501 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2002-11-19T01:27:53+02:00", "utc": "2002-11-18T23:27:53Z", "ms": 1037662073440.4629 }, "end": { "local": "2002-11-20T03:33:40+02:00", "utc": "2002-11-20T01:33:40Z", "ms": 1037756019973.1501 } }, "kaala": "nishita", "days": [ { "local_date": "2002-11-18", "window": { "start": { "local": "2002-11-18T23:16:25+02:00", "utc": "2002-11-18T21:16:25Z", "ms": 1037654184826.8018 }, "end": { "local": "2002-11-19T00:04:25+02:00", "utc": "2002-11-18T22:04:25Z", "ms": 1037657064826.8018 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-11-19", "window": { "start": { "local": "2002-11-19T23:16:38+02:00", "utc": "2002-11-19T21:16:38Z", "ms": 1037740597890.8972 }, "end": { "local": "2002-11-20T00:04:38+02:00", "utc": "2002-11-19T22:04:38Z", "ms": 1037743477890.8972 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:28 on Tue 19 Nov to 03:34 on Wed 20 Nov.", "fact": "2002-11-18T23:27:53Z → 2002-11-20T01:33:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 18th, 23:17–00:05 on the 19th.", "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 18th and 48 of 48 on the 19th.", "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 5009 s" }, { "step": "ruling", "text": "Rāsayātrā, Cairo, 2002: Tuesday 19 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": "2002-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-19", "confidence": "determinate" } ], "quote": "In Cairo, Rāsayātrā 2002 falls on Tuesday 19 November. Pūrṇimā runs from 01:28 on Tue 19 Nov to 03:34 on Wed 20 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-11-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 43343, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-11-23T07:38:12+02:00", "utc": "2002-11-23T05:38:12Z", "ms": 1038029892393.4789 }, "end": { "local": "2002-11-24T08:06:49+02:00", "utc": "2002-11-24T06:06:49Z", "ms": 1038118008825.1481 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-11-23T07:38:12+02:00", "utc": "2002-11-23T05:38:12Z", "ms": 1038029892393.4789 }, "end": { "local": "2002-11-24T08:06:49+02:00", "utc": "2002-11-24T06:06:49Z", "ms": 1038118008825.1481 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-11-23", "window": { "start": { "local": "2002-11-23T19:40:36+02:00", "utc": "2002-11-23T17:40:36Z", "ms": 1038073235736.5066 }, "end": { "local": "2002-11-23T19:40:36+02:00", "utc": "2002-11-23T17:40:36Z", "ms": 1038073235736.5066 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-11-24", "window": { "start": { "local": "2002-11-24T20:38:54+02:00", "utc": "2002-11-24T18:38:54Z", "ms": 1038163133612.7332 }, "end": { "local": "2002-11-24T20:38:54+02:00", "utc": "2002-11-24T18:38:54Z", "ms": 1038163133612.7332 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:38 on Sat 23 Nov to 08:07 on Sun 24 Nov.", "fact": "2002-11-23T05:38:12Z → 2002-11-24T06:06:49Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 23rd and 20:39 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 43343 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Saturday 23 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": "2002-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-23", "confidence": "determinate" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Saturday 23 November. Caturthī runs from 07:38 on Sat 23 Nov to 08:07 on Sun 24 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-11-30", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22038, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-11-30T00:25:14+02:00", "utc": "2002-11-29T22:25:14Z", "ms": 1038608714237.1569 }, "end": { "local": "2002-11-30T21:38:07+02:00", "utc": "2002-11-30T19:38:07Z", "ms": 1038685087183.3572 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-11-30T00:25:14+02:00", "utc": "2002-11-29T22:25:14Z", "ms": 1038608714237.1569 }, "end": { "local": "2002-11-30T21:38:07+02:00", "utc": "2002-11-30T19:38:07Z", "ms": 1038685087183.3572 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-11-30", "window": { "start": { "local": "2002-11-30T06:32:32+02:00", "utc": "2002-11-30T04:32:32Z", "ms": 1038630752183.4724 }, "end": { "local": "2002-11-30T06:32:32+02:00", "utc": "2002-11-30T04:32:32Z", "ms": 1038630752183.4724 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2002-12-01", "window": { "start": { "local": "2002-12-01T06:33:20+02:00", "utc": "2002-12-01T04:33:20Z", "ms": 1038717200308.2147 }, "end": { "local": "2002-12-01T06:33:20+02:00", "utc": "2002-12-01T04:33:20Z", "ms": 1038717200308.2147 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:25 on Sat 30 Nov to 21:38 on Sat 30 Nov.", "fact": "2002-11-29T22:25:14Z → 2002-11-30T19:38:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 30th and 06:33 on the 1st.", "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 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 22038 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Cairo, 2002: Saturday 30 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": "2002-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-11-30", "confidence": "determinate" } ], "quote": "In Cairo, Utpannā Ekādaśī 2002 falls on Saturday 30 November. Ekādaśī runs from 00:25 on Sat 30 Nov to 21:38 on Sat 30 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-12-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 357, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-12-01T18:37:44+02:00", "utc": "2002-12-01T16:37:44Z", "ms": 1038760664113.0095 }, "end": { "local": "2002-12-02T15:31:28+02:00", "utc": "2002-12-02T13:31:28Z", "ms": 1038835888219.5627 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-01T18:37:44+02:00", "utc": "2002-12-01T16:37:44Z", "ms": 1038760664113.0095 }, "end": { "local": "2002-12-02T15:31:28+02:00", "utc": "2002-12-02T13:31:28Z", "ms": 1038835888219.5627 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-12-01", "window": { "start": { "local": "2002-12-01T16:54:23+02:00", "utc": "2002-12-01T14:54:23Z", "ms": 1038754462622.2441 }, "end": { "local": "2002-12-01T18:43:41+02:00", "utc": "2002-12-01T16:43:41Z", "ms": 1038761020677.2545 } }, "covered_min": 6, "window_min": 109, "qualifies": true }, { "local_date": "2002-12-02", "window": { "start": { "local": "2002-12-02T16:54:21+02:00", "utc": "2002-12-02T14:54:21Z", "ms": 1038840860867.9941 }, "end": { "local": "2002-12-02T18:43:45+02:00", "utc": "2002-12-02T16:43:45Z", "ms": 1038847425461.114 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:38 on Sun 1 Dec to 15:31 on Mon 2 Dec.", "fact": "2002-12-01T16:37:44Z → 2002-12-02T13:31:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:44 on the 1st, 16:54–18:44 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 6 of 109 minutes on the 1st and 0 of 109 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 357 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Sunday 1 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": "2002-12-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-01", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Sunday 1 December. Trayodaśī runs from 18:38 on Sun 1 Dec to 15:31 on Mon 2 Dec and covers 6 of 109 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/shivaratri?on=2002-12-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28150, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2002-12-02T15:31:28+02:00", "utc": "2002-12-02T13:31:28Z", "ms": 1038835888219.5627 }, "end": { "local": "2002-12-03T12:27:28+02:00", "utc": "2002-12-03T10:27:28Z", "ms": 1038911248329.7944 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-02T15:31:28+02:00", "utc": "2002-12-02T13:31:28Z", "ms": 1038835888219.5627 }, "end": { "local": "2002-12-03T12:27:28+02:00", "utc": "2002-12-03T10:27:28Z", "ms": 1038911248329.7944 } }, "kaala": "nishita", "days": [ { "local_date": "2002-12-02", "window": { "start": { "local": "2002-12-02T23:20:38+02:00", "utc": "2002-12-02T21:20:38Z", "ms": 1038864038092.1935 }, "end": { "local": "2002-12-03T00:08:38+02:00", "utc": "2002-12-02T22:08:38Z", "ms": 1038866918092.1935 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-03", "window": { "start": { "local": "2002-12-03T23:21:01+02:00", "utc": "2002-12-03T21:21:01Z", "ms": 1038950461472.0737 }, "end": { "local": "2002-12-04T00:09:01+02:00", "utc": "2002-12-03T22:09:01Z", "ms": 1038953341472.0737 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:31 on Mon 2 Dec to 12:27 on Tue 3 Dec.", "fact": "2002-12-02T13:31:28Z → 2002-12-03T10:27:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:21–00:09 on the 2nd, 23:21–00:09 on the 3rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28150 s" }, { "step": "ruling", "text": "Śivarātri, Cairo, 2002: Monday 2 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": "2002-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-02", "confidence": "determinate" } ], "quote": "In Cairo, Śivarātri 2002 falls on Monday 2 December. Caturdaśī runs from 15:31 on Mon 2 Dec to 12:27 on Tue 3 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/cairo/festivals/2002/shivaratri?on=2002-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/vinayaka-chaturthi?on=2002-12-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28558, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-12-07T03:26:20+02:00", "utc": "2002-12-07T01:26:20Z", "ms": 1039224380481.1743 }, "end": { "local": "2002-12-08T02:39:06+02:00", "utc": "2002-12-08T00:39:06Z", "ms": 1039307946120.8198 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-07T03:26:20+02:00", "utc": "2002-12-07T01:26:20Z", "ms": 1039224380481.1743 }, "end": { "local": "2002-12-08T02:39:06+02:00", "utc": "2002-12-08T00:39:06Z", "ms": 1039307946120.8198 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-07", "window": { "start": { "local": "2002-12-07T11:22:18+02:00", "utc": "2002-12-07T09:22:18Z", "ms": 1039252938402.2803 }, "end": { "local": "2002-12-07T12:10:18+02:00", "utc": "2002-12-07T10:10:18Z", "ms": 1039255818402.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-08", "window": { "start": { "local": "2002-12-08T11:22:45+02:00", "utc": "2002-12-08T09:22:45Z", "ms": 1039339364784.9856 }, "end": { "local": "2002-12-08T12:10:45+02:00", "utc": "2002-12-08T10:10:45Z", "ms": 1039342244784.9856 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:26 on Sat 7 Dec to 02:39 on Sun 8 Dec.", "fact": "2002-12-07T01:26:20Z → 2002-12-08T00:39:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:23–12:11 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28558 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Cairo, 2002: Saturday 7 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": "2002-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-07", "confidence": "determinate" } ], "quote": "In Cairo, Vināyaka Caturthī 2002 falls on Saturday 7 December. Caturthī runs from 03:26 on Sat 7 Dec to 02:39 on Sun 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/vinayaka-chaturthi?on=2002-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31419, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2002-12-08T02:39:06+02:00", "utc": "2002-12-08T00:39:06Z", "ms": 1039307946120.8198 }, "end": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-08T02:39:06+02:00", "utc": "2002-12-08T00:39:06Z", "ms": 1039307946120.8198 }, "end": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-08", "window": { "start": { "local": "2002-12-08T11:22:45+02:00", "utc": "2002-12-08T09:22:45Z", "ms": 1039339364784.9856 }, "end": { "local": "2002-12-08T12:10:45+02:00", "utc": "2002-12-08T10:10:45Z", "ms": 1039342244784.9856 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-09", "window": { "start": { "local": "2002-12-09T11:23:12+02:00", "utc": "2002-12-09T09:23:12Z", "ms": 1039425791626.9858 }, "end": { "local": "2002-12-09T12:11:12+02:00", "utc": "2002-12-09T10:11:12Z", "ms": 1039428671626.9858 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:39 on Sun 8 Dec to 02:38 on Mon 9 Dec.", "fact": "2002-12-08T00:39:06Z → 2002-12-09T00:37:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 8th, 11:23–12:11 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31419 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Cairo, 2002: Sunday 8 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": "2002-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-08", "confidence": "determinate" } ], "quote": "In Cairo, Nāga Pañcamī (Mārgaśīrṣa) 2002 falls on Sunday 8 December. Pañcamī runs from 02:39 on Sun 8 Dec to 02:38 on Mon 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28849, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 }, "end": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 }, "end": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-09", "window": { "start": { "local": "2002-12-09T11:23:12+02:00", "utc": "2002-12-09T09:23:12Z", "ms": 1039425791626.9858 }, "end": { "local": "2002-12-09T12:11:12+02:00", "utc": "2002-12-09T10:11:12Z", "ms": 1039428671626.9858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-10", "window": { "start": { "local": "2002-12-10T11:23:39+02:00", "utc": "2002-12-10T09:23:39Z", "ms": 1039512218897.9069 }, "end": { "local": "2002-12-10T12:11:39+02:00", "utc": "2002-12-10T10:11:39Z", "ms": 1039515098897.9069 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:38 on Mon 9 Dec to 03:23 on Tue 10 Dec.", "fact": "2002-12-09T00:37:46Z → 2002-12-10T01:22:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 9th, 11:24–12:12 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28849 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Cairo, 2002: Monday 9 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": "2002-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-09", "confidence": "determinate" } ], "quote": "In Cairo, Campā Ṣaṣṭhī 2002 falls on Monday 9 December. Ṣaṣṭhī runs from 02:38 on Mon 9 Dec to 03:23 on Tue 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28849, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 }, "end": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-09T02:37:46+02:00", "utc": "2002-12-09T00:37:46Z", "ms": 1039394265960.073 }, "end": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-09", "window": { "start": { "local": "2002-12-09T11:23:12+02:00", "utc": "2002-12-09T09:23:12Z", "ms": 1039425791626.9858 }, "end": { "local": "2002-12-09T12:11:12+02:00", "utc": "2002-12-09T10:11:12Z", "ms": 1039428671626.9858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-10", "window": { "start": { "local": "2002-12-10T11:23:39+02:00", "utc": "2002-12-10T09:23:39Z", "ms": 1039512218897.9069 }, "end": { "local": "2002-12-10T12:11:39+02:00", "utc": "2002-12-10T10:11:39Z", "ms": 1039515098897.9069 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:38 on Mon 9 Dec to 03:23 on Tue 10 Dec.", "fact": "2002-12-09T00:37:46Z → 2002-12-10T01:22:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 9th, 11:24–12:12 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28849 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Cairo, 2002: Monday 9 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": "2002-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-09", "confidence": "determinate" } ], "quote": "In Cairo, Skanda Ṣaṣṭhī 2002 falls on Monday 9 December. Ṣaṣṭhī runs from 02:38 on Mon 9 Dec to 03:23 on Tue 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23600, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 }, "end": { "local": "2002-12-11T04:50:46+02:00", "utc": "2002-12-11T02:50:46Z", "ms": 1039575046219.6202 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-10T03:22:50+02:00", "utc": "2002-12-10T01:22:50Z", "ms": 1039483369743.5452 }, "end": { "local": "2002-12-11T04:50:46+02:00", "utc": "2002-12-11T02:50:46Z", "ms": 1039575046219.6202 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-10", "window": { "start": { "local": "2002-12-10T11:23:39+02:00", "utc": "2002-12-10T09:23:39Z", "ms": 1039512218897.9069 }, "end": { "local": "2002-12-10T12:11:39+02:00", "utc": "2002-12-10T10:11:39Z", "ms": 1039515098897.9069 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2002-12-11", "window": { "start": { "local": "2002-12-11T11:24:07+02:00", "utc": "2002-12-11T09:24:07Z", "ms": 1039598646567.462 }, "end": { "local": "2002-12-11T12:12:07+02:00", "utc": "2002-12-11T10:12:07Z", "ms": 1039601526567.462 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:23 on Tue 10 Dec to 04:51 on Wed 11 Dec.", "fact": "2002-12-10T01:22:50Z → 2002-12-11T02:50:46Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23600 s" }, { "step": "ruling", "text": "Mitra Saptamī, Cairo, 2002: Tuesday 10 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": "2002-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-10", "confidence": "determinate" } ], "quote": "In Cairo, Mitra Saptamī 2002 falls on Tuesday 10 December. Saptamī runs from 03:23 on Tue 10 Dec to 04:51 on Wed 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/ekadashi?on=2002-12-15", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18929, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-12-14T11:58:22+02:00", "utc": "2002-12-14T09:58:22Z", "ms": 1039859901543.7997 }, "end": { "local": "2002-12-15T14:32:49+02:00", "utc": "2002-12-15T12:32:49Z", "ms": 1039955569345.6156 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-14T11:58:22+02:00", "utc": "2002-12-14T09:58:22Z", "ms": 1039859901543.7997 }, "end": { "local": "2002-12-15T14:32:49+02:00", "utc": "2002-12-15T12:32:49Z", "ms": 1039955569345.6156 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-12-14", "window": { "start": { "local": "2002-12-14T06:42:52+02:00", "utc": "2002-12-14T04:42:52Z", "ms": 1039840972159.9816 }, "end": { "local": "2002-12-14T06:42:52+02:00", "utc": "2002-12-14T04:42:52Z", "ms": 1039840972159.9816 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-12-15", "window": { "start": { "local": "2002-12-15T06:43:30+02:00", "utc": "2002-12-15T04:43:30Z", "ms": 1039927410382.3448 }, "end": { "local": "2002-12-15T06:43:30+02:00", "utc": "2002-12-15T04:43:30Z", "ms": 1039927410382.3448 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:58 on Sat 14 Dec to 14:33 on Sun 15 Dec.", "fact": "2002-12-14T09:58:22Z → 2002-12-15T12:32:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 14th and 06:44 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 18929 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Cairo, 2002: Sunday 15 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": "2002-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-15", "confidence": "determinate" } ], "quote": "In Cairo, Mokṣadā Ekādaśī 2002 falls on Sunday 15 December. Ekādaśī runs from 11:58 on Sat 14 Dec to 14:33 on Sun 15 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8329, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2002-12-15T14:32:49+02:00", "utc": "2002-12-15T12:32:49Z", "ms": 1039955569345.6156 }, "end": { "local": "2002-12-16T16:52:25+02:00", "utc": "2002-12-16T14:52:25Z", "ms": 1040050345254.6583 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-15T14:32:49+02:00", "utc": "2002-12-15T12:32:49Z", "ms": 1039955569345.6156 }, "end": { "local": "2002-12-16T16:52:25+02:00", "utc": "2002-12-16T14:52:25Z", "ms": 1040050345254.6583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2002-12-15", "window": { "start": { "local": "2002-12-15T11:26:01+02:00", "utc": "2002-12-15T09:26:01Z", "ms": 1039944360624.7383 }, "end": { "local": "2002-12-15T12:14:01+02:00", "utc": "2002-12-15T10:14:01Z", "ms": 1039947240624.7383 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2002-12-16", "window": { "start": { "local": "2002-12-16T11:26:30+02:00", "utc": "2002-12-16T09:26:30Z", "ms": 1040030789831.258 }, "end": { "local": "2002-12-16T12:14:30+02:00", "utc": "2002-12-16T10:14:30Z", "ms": 1040033669831.258 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:33 on Sun 15 Dec to 16:52 on Mon 16 Dec.", "fact": "2002-12-15T12:32:49Z → 2002-12-16T14:52:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 15th, 11:26–12:14 on the 16th.", "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 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 8329 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Cairo, 2002: Monday 16 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": "2002-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-16", "confidence": "determinate" } ], "quote": "In Cairo, Akhaṇḍa Dvādaśī 2002 falls on Monday 16 December. Dvādaśī runs from 14:33 on Sun 15 Dec to 16:52 on Mon 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/pradosha-vrata?on=2002-12-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-17", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 38, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-12-16T16:52:25+02:00", "utc": "2002-12-16T14:52:25Z", "ms": 1040050345254.6583 }, "end": { "local": "2002-12-17T18:48:17+02:00", "utc": "2002-12-17T16:48:17Z", "ms": 1040143697028.6356 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-16T16:52:25+02:00", "utc": "2002-12-16T14:52:25Z", "ms": 1040050345254.6583 }, "end": { "local": "2002-12-17T18:48:17+02:00", "utc": "2002-12-17T16:48:17Z", "ms": 1040143697028.6356 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-12-16", "window": { "start": { "local": "2002-12-16T16:56:52+02:00", "utc": "2002-12-16T14:56:52Z", "ms": 1040050612094.2161 }, "end": { "local": "2002-12-16T18:47:15+02:00", "utc": "2002-12-16T16:47:15Z", "ms": 1040057234972.3193 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2002-12-17", "window": { "start": { "local": "2002-12-17T16:57:15+02:00", "utc": "2002-12-17T14:57:15Z", "ms": 1040137034826.9752 }, "end": { "local": "2002-12-17T18:47:39+02:00", "utc": "2002-12-17T16:47:39Z", "ms": 1040143659340.8228 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:52 on Mon 16 Dec to 18:48 on Tue 17 Dec.", "fact": "2002-12-16T14:52:25Z → 2002-12-17T16:48:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:57–18:47 on the 16th, 16:57–18:48 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 110 of 110 minutes on the 16th and 110 of 110 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 38 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Cairo, 2002: Tuesday 17 December.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-12-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-16", "confidence": "boundary" } ], "quote": "In Cairo, Śukla Pradoṣa Vrata 2002 falls on Tuesday 17 December. Trayodaśī runs from 16:52 on Mon 16 Dec to 18:48 on Tue 17 Dec and covers all of pradoṣa that evening. It also reaches the previous evening for 110 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 38 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-12-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5213, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2002-12-18T20:14:58+02:00", "utc": "2002-12-18T18:14:58Z", "ms": 1040235297523.5442 }, "end": { "local": "2002-12-19T21:10:10+02:00", "utc": "2002-12-19T19:10:10Z", "ms": 1040325010279.1475 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-18T20:14:58+02:00", "utc": "2002-12-18T18:14:58Z", "ms": 1040235297523.5442 }, "end": { "local": "2002-12-19T21:10:10+02:00", "utc": "2002-12-19T19:10:10Z", "ms": 1040325010279.1475 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-12-18", "window": { "start": { "local": "2002-12-18T16:57:39+02:00", "utc": "2002-12-18T14:57:39Z", "ms": 1040223459040.9597 }, "end": { "local": "2002-12-18T18:48:05+02:00", "utc": "2002-12-18T16:48:05Z", "ms": 1040230084840.2341 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2002-12-19", "window": { "start": { "local": "2002-12-19T16:58:05+02:00", "utc": "2002-12-19T14:58:05Z", "ms": 1040309884710.6655 }, "end": { "local": "2002-12-19T18:48:31+02:00", "utc": "2002-12-19T16:48:31Z", "ms": 1040316511443.9062 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:15 on Wed 18 Dec to 21:10 on Thu 19 Dec.", "fact": "2002-12-18T18:14:58Z → 2002-12-19T19:10:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:48 on the 18th, 16:58–18:49 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 110 minutes on the 18th and 110 of 110 on the 19th.", "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 5213 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Cairo, 2002: Thursday 19 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": "2002-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-19", "confidence": "determinate" } ], "quote": "In Cairo, Dattātreyotpatti (Datta Jayanti) 2002 falls on Thursday 19 December. Pūrṇimā runs from 20:15 on Wed 18 Dec to 21:10 on Thu 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/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": "/cairo/festivals/2002/sankashta-chaturthi?on=2002-12-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-22", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2132, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2002-12-22T20:57:14+02:00", "utc": "2002-12-22T18:57:14Z", "ms": 1040583433716.4602 }, "end": { "local": "2002-12-23T20:02:26+02:00", "utc": "2002-12-23T18:02:26Z", "ms": 1040666545532.1036 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-22T20:57:14+02:00", "utc": "2002-12-22T18:57:14Z", "ms": 1040583433716.4602 }, "end": { "local": "2002-12-23T20:02:26+02:00", "utc": "2002-12-23T18:02:26Z", "ms": 1040666545532.1036 } }, "kaala": "moonrise", "days": [ { "local_date": "2002-12-22", "window": { "start": { "local": "2002-12-22T19:33:59+02:00", "utc": "2002-12-22T17:33:59Z", "ms": 1040578439148.8317 }, "end": { "local": "2002-12-22T19:33:59+02:00", "utc": "2002-12-22T17:33:59Z", "ms": 1040578439148.8317 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-12-23", "window": { "start": { "local": "2002-12-23T20:37:57+02:00", "utc": "2002-12-23T18:37:57Z", "ms": 1040668677398.5245 }, "end": { "local": "2002-12-23T20:37:57+02:00", "utc": "2002-12-23T18:37:57Z", "ms": 1040668677398.5245 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:57 on Sun 22 Dec to 20:02 on Mon 23 Dec.", "fact": "2002-12-22T18:57:14Z → 2002-12-23T18:02:26Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 22nd and 20:38 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2132 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Cairo, 2002: Sunday 22 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2002-12-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-22", "confidence": "boundary" } ], "quote": "In Cairo, Saṅkaṣṭa Caturthī 2002 falls on Sunday 22 December. Caturthī runs from 20:57 on Sun 22 Dec to 20:02 on Mon 23 Dec, and is current at moonrise on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/sankashta-chaturthi?on=2002-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/ekadashi?on=2002-12-29", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 328, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2002-12-29T09:05:12+02:00", "utc": "2002-12-29T07:05:12Z", "ms": 1041145512477.8121 }, "end": { "local": "2002-12-30T06:45:13+02:00", "utc": "2002-12-30T04:45:13Z", "ms": 1041223512561.6031 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-29T09:05:12+02:00", "utc": "2002-12-29T07:05:12Z", "ms": 1041145512477.8121 }, "end": { "local": "2002-12-30T06:45:13+02:00", "utc": "2002-12-30T04:45:13Z", "ms": 1041223512561.6031 } }, "kaala": "sunrise", "days": [ { "local_date": "2002-12-29", "window": { "start": { "local": "2002-12-29T06:50:21+02:00", "utc": "2002-12-29T04:50:21Z", "ms": 1041137421004.9391 }, "end": { "local": "2002-12-29T06:50:21+02:00", "utc": "2002-12-29T04:50:21Z", "ms": 1041137421004.9391 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2002-12-30", "window": { "start": { "local": "2002-12-30T06:50:40+02:00", "utc": "2002-12-30T04:50:40Z", "ms": 1041223840191.8358 }, "end": { "local": "2002-12-30T06:50:40+02:00", "utc": "2002-12-30T04:50:40Z", "ms": 1041223840191.8358 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:05 on Sun 29 Dec to 06:45 on Mon 30 Dec.", "fact": "2002-12-29T07:05:12Z → 2002-12-30T04:45:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 29th and 06:51 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 not on the 30th.", "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 328 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Cairo, 2002: Sunday 29 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": "2002-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-29", "confidence": "determinate" } ], "quote": "In Cairo, Saphalā Ekādaśī 2002 falls on Sunday 29 December. Ekādaśī runs from 09:05 on Sun 29 Dec to 06:45 on Mon 30 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/cairo/festivals/2002/ekadashi?on=2002-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/cairo/festivals/2002/pradosha-vrata?on=2002-12-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "360630", "year": 2002, "local_date": "2002-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26156, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2002-12-31T04:25:27+02:00", "utc": "2002-12-31T02:25:27Z", "ms": 1041301527424.597 }, "end": { "local": "2003-01-01T02:11:02+02:00", "utc": "2003-01-01T00:11:02Z", "ms": 1041379862208.6173 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2002-12-31T04:25:27+02:00", "utc": "2002-12-31T02:25:27Z", "ms": 1041301527424.597 }, "end": { "local": "2003-01-01T02:11:02+02:00", "utc": "2003-01-01T00:11:02Z", "ms": 1041379862208.6173 } }, "kaala": "pradosha", "days": [ { "local_date": "2002-12-30", "window": { "start": { "local": "2002-12-30T17:04:15+02:00", "utc": "2002-12-30T15:04:15Z", "ms": 1041260654739.3522 }, "end": { "local": "2002-12-30T18:54:28+02:00", "utc": "2002-12-30T16:54:28Z", "ms": 1041267268490.6765 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2002-12-31", "window": { "start": { "local": "2002-12-31T17:04:55+02:00", "utc": "2002-12-31T15:04:55Z", "ms": 1041347095440.748 }, "end": { "local": "2002-12-31T18:55:06+02:00", "utc": "2002-12-31T16:55:06Z", "ms": 1041353705918.7618 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:25 on Tue 31 Dec to 02:11 on Wed 1 Jan.", "fact": "2002-12-31T02:25:27Z → 2003-01-01T00:11:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:54 on the 30th, 17:05–18:55 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 30th and 110 of 110 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26156 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Cairo, 2002: Tuesday 31 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": "2002-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2002-12-31", "confidence": "determinate" } ], "quote": "In Cairo, Kṛṣṇa Pradoṣa Vrata 2002 falls on Tuesday 31 December. Trayodaśī runs from 04:25 on Tue 31 Dec to 02:11 on Wed 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/cairo/festivals/2002/pradosha-vrata?on=2002-12-31", "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" } }