{ "id": "/bamako/festivals/1983", "place": { "id": "2460596", "slug": "bamako", "name": "Bamako", "region": "Mali", "country": "ML", "lat": 12.60915, "lon": -7.97522, "elevation_m": 374, "tz": "Africa/Bamako" }, "year": 1983, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-01-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-01", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 236, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-01-02T00:44:01+00:00", "utc": "1983-01-02T00:44:01Z", "ms": 410316241047.50714 }, "end": { "local": "1983-01-02T21:42:31+00:00", "utc": "1983-01-02T21:42:31Z", "ms": 410391751418.09827 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-02T00:44:01+00:00", "utc": "1983-01-02T00:44:01Z", "ms": 410316241047.50714 }, "end": { "local": "1983-01-02T21:42:31+00:00", "utc": "1983-01-02T21:42:31Z", "ms": 410391751418.09827 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-01-01", "window": { "start": { "local": "1983-01-01T20:44:15+00:00", "utc": "1983-01-01T20:44:15Z", "ms": 410301855008.4463 }, "end": { "local": "1983-01-01T20:44:15+00:00", "utc": "1983-01-01T20:44:15Z", "ms": 410301855008.4463 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-01-02", "window": { "start": { "local": "1983-01-02T21:46:27+00:00", "utc": "1983-01-02T21:46:27Z", "ms": 410391987481.5542 }, "end": { "local": "1983-01-02T21:46:27+00:00", "utc": "1983-01-02T21:46:27Z", "ms": 410391987481.5542 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:44 on Sun 2 Jan to 21:43 on Sun 2 Jan.", "fact": "1983-01-02T00:44:01Z → 1983-01-02T21:42:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:44 on the 1st and 21:46 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 236 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Saturday 1 January.", "fact": "confidence: boundary (margin, 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": "1983-01-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-01", "confidence": "boundary" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Saturday 1 January. Caturthī runs from 00:44 on Sun 2 Jan to 21:43 on Sun 2 Jan, and is current at moonrise on neither day. It is 3 min 56 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-01-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-01-09", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37789, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-01-08T17:25:46+00:00", "utc": "1983-01-08T17:25:46Z", "ms": 410894745586.6664 }, "end": { "local": "1983-01-09T19:06:59+00:00", "utc": "1983-01-09T19:06:59Z", "ms": 410987219442.37744 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-08T17:25:46+00:00", "utc": "1983-01-08T17:25:46Z", "ms": 410894745586.6664 }, "end": { "local": "1983-01-09T19:06:59+00:00", "utc": "1983-01-09T19:06:59Z", "ms": 410987219442.37744 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-01-08", "window": { "start": { "local": "1983-01-08T06:55:57+00:00", "utc": "1983-01-08T06:55:57Z", "ms": 410856957024.04095 }, "end": { "local": "1983-01-08T06:55:57+00:00", "utc": "1983-01-08T06:55:57Z", "ms": 410856957024.04095 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-01-09", "window": { "start": { "local": "1983-01-09T06:56:14+00:00", "utc": "1983-01-09T06:56:14Z", "ms": 410943374178.32306 }, "end": { "local": "1983-01-09T06:56:14+00:00", "utc": "1983-01-09T06:56:14Z", "ms": 410943374178.32306 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:26 on Sat 8 Jan to 19:07 on Sun 9 Jan.", "fact": "1983-01-08T17:25:46Z → 1983-01-09T19:06:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:56 on the 8th and 06:56 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 37789 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Bamako, 1983: Sunday 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": "1983-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-09", "confidence": "determinate" } ], "quote": "In Bamako, Saphalā Ekādaśī 1983 falls on Sunday 9 January. Ekādaśī runs from 17:26 on Sat 8 Jan to 19:07 on Sun 9 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-01-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4385, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-01-10T21:15:51+00:00", "utc": "1983-01-10T21:15:51Z", "ms": 411081351437.88104 }, "end": { "local": "1983-01-11T23:44:07+00:00", "utc": "1983-01-11T23:44:07Z", "ms": 411176647484.76337 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-10T21:15:51+00:00", "utc": "1983-01-10T21:15:51Z", "ms": 411081351437.88104 }, "end": { "local": "1983-01-11T23:44:07+00:00", "utc": "1983-01-11T23:44:07Z", "ms": 411176647484.76337 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-01-10", "window": { "start": { "local": "1983-01-10T18:22:09+00:00", "utc": "1983-01-10T18:22:09Z", "ms": 411070929396.5839 }, "end": { "local": "1983-01-10T20:02:46+00:00", "utc": "1983-01-10T20:02:46Z", "ms": 411076966228.33417 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1983-01-11", "window": { "start": { "local": "1983-01-11T18:22:43+00:00", "utc": "1983-01-11T18:22:43Z", "ms": 411157362832.08624 }, "end": { "local": "1983-01-11T20:03:17+00:00", "utc": "1983-01-11T20:03:17Z", "ms": 411163397107.29034 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:16 on Mon 10 Jan to 23:44 on Tue 11 Jan.", "fact": "1983-01-10T21:15:51Z → 1983-01-11T23:44:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:03 on the 10th, 18:23–20:03 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 0 of 101 minutes on the 10th and 101 of 101 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 4385 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Tuesday 11 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": "1983-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-11", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Tuesday 11 January. Trayodaśī runs from 21:16 on Mon 10 Jan to 23:44 on Tue 11 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-01-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-11", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1904, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-01-11T23:44:07+00:00", "utc": "1983-01-11T23:44:07Z", "ms": 411176647484.76337 }, "end": { "local": "1983-01-13T02:23:50+00:00", "utc": "1983-01-13T02:23:50Z", "ms": 411272630252.8609 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-11T23:44:07+00:00", "utc": "1983-01-11T23:44:07Z", "ms": 411176647484.76337 }, "end": { "local": "1983-01-13T02:23:50+00:00", "utc": "1983-01-13T02:23:50Z", "ms": 411272630252.8609 } }, "kaala": "nishita", "days": [ { "local_date": "1983-01-11", "window": { "start": { "local": "1983-01-12T00:15:51+00:00", "utc": "1983-01-12T00:15:51Z", "ms": 411178551364.10156 }, "end": { "local": "1983-01-12T01:03:51+00:00", "utc": "1983-01-12T01:03:51Z", "ms": 411181431364.10156 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-01-12", "window": { "start": { "local": "1983-01-13T00:16:15+00:00", "utc": "1983-01-13T00:16:15Z", "ms": 411264974625.8509 }, "end": { "local": "1983-01-13T01:04:15+00:00", "utc": "1983-01-13T01:04:15Z", "ms": 411267854625.8509 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:44 on Tue 11 Jan to 02:24 on Thu 13 Jan.", "fact": "1983-01-11T23:44:07Z → 1983-01-13T02:23:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 11th, 00:16–01:04 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. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1904 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Tuesday 11 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-01-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-11", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1983 falls on Tuesday 11 January. Caturdaśī runs from 23:44 on Tue 11 Jan to 02:24 on Thu 13 Jan 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/bamako/festivals/1983/shivaratri?on=1983-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34420, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-02-12T21:50:34+00:00", "utc": "1983-02-12T21:50:34Z", "ms": 413934633752.1754 } }, "span": { "of": "transit", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 } }, "kaala": "sunset-day", "days": [ { "local_date": "1983-01-14", "window": { "start": { "local": "1983-01-13T18:23:49+00:00", "utc": "1983-01-13T18:23:49Z", "ms": 411330229160.2493 }, "end": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1983-01-15", "window": { "start": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 }, "end": { "local": "1983-01-15T18:24:55+00:00", "utc": "1983-01-15T18:24:55Z", "ms": 411503094549.9 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1983-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:51 on Fri 14 Jan.", "fact": "1983-01-14T08:50:42Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:24, and the day of the 15th ends at 18:25.", "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 34420 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Bamako, 1983: Thursday 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": "1983-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1983-01-13", "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": "1983-01-13", "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 Bamako, Bhogi 1983 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 08:51 on Fri 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/bamako/festivals/1983/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": "/bamako/festivals/1983/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34420, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-02-12T21:50:34+00:00", "utc": "1983-02-12T21:50:34Z", "ms": 413934633752.1754 } }, "span": { "of": "transit", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 } }, "kaala": "sunset-day", "days": [ { "local_date": "1983-01-14", "window": { "start": { "local": "1983-01-13T18:23:49+00:00", "utc": "1983-01-13T18:23:49Z", "ms": 411330229160.2493 }, "end": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1983-01-15", "window": { "start": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 }, "end": { "local": "1983-01-15T18:24:55+00:00", "utc": "1983-01-15T18:24:55Z", "ms": 411503094549.9 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:51 on Fri 14 Jan.", "fact": "1983-01-14T08:50:42Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:24, and the day of the 15th ends at 18:25.", "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 34420 s" }, { "step": "ruling", "text": "Pongal, Bamako, 1983: Friday 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": "1983-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1983-01-14", "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": "1983-01-14", "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 Bamako, Pongal 1983 falls on Friday 14 January. The Sun enters Makara at 08:51 on Fri 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/bamako/festivals/1983/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": "/bamako/festivals/1983/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31842, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-02-12T21:50:34+00:00", "utc": "1983-02-12T21:50:34Z", "ms": 413934633752.1754 } }, "span": { "of": "transit", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 } }, "kaala": "civil-day", "days": [ { "local_date": "1983-01-13", "window": { "start": { "local": "1983-01-13T00:00:00+00:00", "utc": "1983-01-13T00:00:00Z", "ms": 411264000000 }, "end": { "local": "1983-01-14T00:00:00+00:00", "utc": "1983-01-14T00:00:00Z", "ms": 411350400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1983-01-14", "window": { "start": { "local": "1983-01-14T00:00:00+00:00", "utc": "1983-01-14T00:00:00Z", "ms": 411350400000 }, "end": { "local": "1983-01-15T00:00:00+00:00", "utc": "1983-01-15T00:00:00Z", "ms": 411436800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:51 on Fri 14 Jan.", "fact": "1983-01-14T08:50:42Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Bamako.", "fact": "civil-day: midnight-to-midnight · Africa/Bamako" }, { "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 31842 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Bamako, 1983: Friday 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": "1983-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1983-01-14", "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": "1983-01-14", "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 Bamako, Makara Saṅkrānti 1983 falls on Friday 14 January. The Sun enters Makara at 08:51 on Fri 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34420, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-02-12T21:50:34+00:00", "utc": "1983-02-12T21:50:34Z", "ms": 413934633752.1754 } }, "span": { "of": "transit", "start": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 }, "end": { "local": "1983-01-14T08:50:42+00:00", "utc": "1983-01-14T08:50:42Z", "ms": 411382241553.98114 } }, "kaala": "sunset-day", "days": [ { "local_date": "1983-01-14", "window": { "start": { "local": "1983-01-13T18:23:49+00:00", "utc": "1983-01-13T18:23:49Z", "ms": 411330229160.2493 }, "end": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1983-01-15", "window": { "start": { "local": "1983-01-14T18:24:22+00:00", "utc": "1983-01-14T18:24:22Z", "ms": 411416661988.06537 }, "end": { "local": "1983-01-15T18:24:55+00:00", "utc": "1983-01-15T18:24:55Z", "ms": 411503094549.9 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1983-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:51 on Fri 14 Jan.", "fact": "1983-01-14T08:50:42Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:24, and the day of the 15th ends at 18:25.", "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 34420 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Bamako, 1983: Saturday 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": "1983-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1983-01-15", "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": "1983-01-15", "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 Bamako, Mattu Pongal 1983 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 08:51 on Fri 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/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-01-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1413, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-01-17T12:42:24+00:00", "utc": "1983-01-17T12:42:24Z", "ms": 411655344149.88025 }, "end": { "local": "1983-01-18T14:41:40+00:00", "utc": "1983-01-18T14:41:40Z", "ms": 411748899782.4871 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-17T12:42:24+00:00", "utc": "1983-01-17T12:42:24Z", "ms": 411655344149.88025 }, "end": { "local": "1983-01-18T14:41:40+00:00", "utc": "1983-01-18T14:41:40Z", "ms": 411748899782.4871 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-01-17", "window": { "start": { "local": "1983-01-17T12:17:57+00:00", "utc": "1983-01-17T12:17:57Z", "ms": 411653877285.59753 }, "end": { "local": "1983-01-17T13:05:57+00:00", "utc": "1983-01-17T13:05:57Z", "ms": 411656757285.59753 } }, "covered_min": 24, "window_min": 48, "qualifies": true }, { "local_date": "1983-01-18", "window": { "start": { "local": "1983-01-18T12:18:17+00:00", "utc": "1983-01-18T12:18:17Z", "ms": 411740297079.4248 }, "end": { "local": "1983-01-18T13:06:17+00:00", "utc": "1983-01-18T13:06:17Z", "ms": 411743177079.4248 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:42 on Mon 17 Jan to 14:42 on Tue 18 Jan.", "fact": "1983-01-17T12:42:24Z → 1983-01-18T14:41:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 17th, 12:18–13:06 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 24 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 1413 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Tuesday 18 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-01-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-18", "confidence": "boundary" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Tuesday 18 January. Caturthī runs from 12:42 on Mon 17 Jan to 14:42 on Tue 18 Jan and covers all of madhyāhna that midday. It also reaches the previous midday for 24 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-01-25", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18670, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-01-24T14:32:35+00:00", "utc": "1983-01-24T14:32:35Z", "ms": 412266755119.08813 }, "end": { "local": "1983-01-25T12:09:38+00:00", "utc": "1983-01-25T12:09:38Z", "ms": 412344578457.7685 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-24T14:32:35+00:00", "utc": "1983-01-24T14:32:35Z", "ms": 412266755119.08813 }, "end": { "local": "1983-01-25T12:09:38+00:00", "utc": "1983-01-25T12:09:38Z", "ms": 412344578457.7685 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-01-24", "window": { "start": { "local": "1983-01-24T06:58:29+00:00", "utc": "1983-01-24T06:58:29Z", "ms": 412239508658.4625 }, "end": { "local": "1983-01-24T06:58:29+00:00", "utc": "1983-01-24T06:58:29Z", "ms": 412239508658.4625 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-01-25", "window": { "start": { "local": "1983-01-25T06:58:29+00:00", "utc": "1983-01-25T06:58:29Z", "ms": 412325908898.7631 }, "end": { "local": "1983-01-25T06:58:29+00:00", "utc": "1983-01-25T06:58:29Z", "ms": 412325908898.7631 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:33 on Mon 24 Jan to 12:10 on Tue 25 Jan.", "fact": "1983-01-24T14:32:35Z → 1983-01-25T12:09:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 24th and 06:58 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 18670 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1983: Tuesday 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": "1983-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-25", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1983 falls on Tuesday 25 January. Ekādaśī runs from 14:33 on Mon 24 Jan to 12:10 on Tue 25 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-01-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33421, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-01-26T09:13:27+00:00", "utc": "1983-01-26T09:13:27Z", "ms": 412420406811.8454 }, "end": { "local": "1983-01-27T05:51:25+00:00", "utc": "1983-01-27T05:51:25Z", "ms": 412494685433.488 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-01-26T09:13:27+00:00", "utc": "1983-01-26T09:13:27Z", "ms": 412420406811.8454 }, "end": { "local": "1983-01-27T05:51:25+00:00", "utc": "1983-01-27T05:51:25Z", "ms": 412494685433.488 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-01-26", "window": { "start": { "local": "1983-01-26T18:30:28+00:00", "utc": "1983-01-26T18:30:28Z", "ms": 412453827549.9186 }, "end": { "local": "1983-01-26T20:10:11+00:00", "utc": "1983-01-26T20:10:11Z", "ms": 412459811349.1286 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1983-01-27", "window": { "start": { "local": "1983-01-27T18:30:55+00:00", "utc": "1983-01-27T18:30:55Z", "ms": 412540254989.7083 }, "end": { "local": "1983-01-27T20:10:35+00:00", "utc": "1983-01-27T20:10:35Z", "ms": 412546234719.3071 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:13 on Wed 26 Jan to 05:51 on Thu 27 Jan.", "fact": "1983-01-26T09:13:27Z → 1983-01-27T05:51:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:10 on the 26th, 18:31–20:11 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 26th and 0 of 100 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33421 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Wednesday 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": "1983-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-26", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Wednesday 26 January. Trayodaśī runs from 09:13 on Wed 26 Jan to 05:51 on Thu 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-01-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-01-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33275, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-01-31T12:11:24+00:00", "utc": "1983-01-31T12:11:24Z", "ms": 412863084277.94354 }, "end": { "local": "1983-02-01T09:42:40+00:00", "utc": "1983-02-01T09:42:40Z", "ms": 412940560309.9897 }, "month": { "amanta": 9, "purnimanta": 11, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-01-31T12:11:24+00:00", "utc": "1983-01-31T12:11:24Z", "ms": 412863084277.94354 }, "end": { "local": "1983-02-01T09:42:40+00:00", "utc": "1983-02-01T09:42:40Z", "ms": 412940560309.9897 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-01-31", "window": { "start": { "local": "1983-01-31T21:25:59+00:00", "utc": "1983-01-31T21:25:59Z", "ms": 412896359251.1448 }, "end": { "local": "1983-01-31T21:25:59+00:00", "utc": "1983-01-31T21:25:59Z", "ms": 412896359251.1448 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-02-01", "window": { "start": { "local": "1983-02-01T22:21:10+00:00", "utc": "1983-02-01T22:21:10Z", "ms": 412986069708.5791 }, "end": { "local": "1983-02-01T22:21:10+00:00", "utc": "1983-02-01T22:21:10Z", "ms": 412986069708.5791 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:11 on Mon 31 Jan to 09:43 on Tue 1 Feb.", "fact": "1983-01-31T12:11:24Z → 1983-02-01T09:42:40Z" }, { "step": "kaala", "text": "Moonrise is at 21:26 on the 31st and 22:21 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 33275 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Monday 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": "1983-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-01-31", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Monday 31 January. Caturthī runs from 12:11 on Mon 31 Jan to 09:43 on Tue 1 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-01-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-02-08", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16439, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-02-07T11:30:53+00:00", "utc": "1983-02-07T11:30:53Z", "ms": 413465452808.42755 }, "end": { "local": "1983-02-08T14:04:48+00:00", "utc": "1983-02-08T14:04:48Z", "ms": 413561087696.81573 }, "month": { "amanta": 9, "purnimanta": 11, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-07T11:30:53+00:00", "utc": "1983-02-07T11:30:53Z", "ms": 413465452808.42755 }, "end": { "local": "1983-02-08T14:04:48+00:00", "utc": "1983-02-08T14:04:48Z", "ms": 413561087696.81573 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-02-07", "window": { "start": { "local": "1983-02-07T06:56:54+00:00", "utc": "1983-02-07T06:56:54Z", "ms": 413449013822.09375 }, "end": { "local": "1983-02-07T06:56:54+00:00", "utc": "1983-02-07T06:56:54Z", "ms": 413449013822.09375 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-02-08", "window": { "start": { "local": "1983-02-08T06:56:39+00:00", "utc": "1983-02-08T06:56:39Z", "ms": 413535399307.98456 }, "end": { "local": "1983-02-08T06:56:39+00:00", "utc": "1983-02-08T06:56:39Z", "ms": 413535399307.98456 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:31 on Mon 7 Feb to 14:05 on Tue 8 Feb.", "fact": "1983-02-07T11:30:53Z → 1983-02-08T14:04:48Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 7th and 06:57 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 16439 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Bamako, 1983: Tuesday 8 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": "1983-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-08", "confidence": "determinate" } ], "quote": "In Bamako, Ṣaṭtilā Ekādaśī 1983 falls on Tuesday 8 February. Ekādaśī runs from 11:31 on Mon 7 Feb to 14:05 on Tue 8 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-02-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2385, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-02-09T16:50:03+00:00", "utc": "1983-02-09T16:50:03Z", "ms": 413657402744.9766 }, "end": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 }, "month": { "amanta": 9, "purnimanta": 11, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-09T16:50:03+00:00", "utc": "1983-02-09T16:50:03Z", "ms": 413657402744.9766 }, "end": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-02-09", "window": { "start": { "local": "1983-02-09T18:36:01+00:00", "utc": "1983-02-09T18:36:01Z", "ms": 413663761452.7944 }, "end": { "local": "1983-02-09T20:14:42+00:00", "utc": "1983-02-09T20:14:42Z", "ms": 413669682241.10364 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1983-02-10", "window": { "start": { "local": "1983-02-10T18:36:21+00:00", "utc": "1983-02-10T18:36:21Z", "ms": 413750181002.4738 }, "end": { "local": "1983-02-10T20:14:57+00:00", "utc": "1983-02-10T20:14:57Z", "ms": 413756096863.45337 } }, "covered_min": 59, "window_min": 99, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:50 on Wed 9 Feb to 19:35 on Thu 10 Feb.", "fact": "1983-02-09T16:50:03Z → 1983-02-10T19:35:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:15 on the 9th, 18:36–20:15 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 99 of 99 minutes on the 9th and 59 of 99 on the 10th.", "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 2385 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Wednesday 9 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-02-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-09", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Wednesday 9 February. Trayodaśī runs from 16:50 on Wed 9 Feb to 19:35 on Thu 10 Feb and covers all of pradoṣa that evening. It also reaches the next evening for 59 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/bamako/festivals/1983/pradosha-vrata?on=1983-02-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-02-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7852, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 }, "end": { "local": "1983-02-11T22:11:14+00:00", "utc": "1983-02-11T22:11:14Z", "ms": 413849473875.45844 }, "month": { "amanta": 9, "purnimanta": 11, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 }, "end": { "local": "1983-02-11T22:11:14+00:00", "utc": "1983-02-11T22:11:14Z", "ms": 413849473875.45844 } }, "kaala": "nishita", "days": [ { "local_date": "1983-02-10", "window": { "start": { "local": "1983-02-11T00:22:05+00:00", "utc": "1983-02-11T00:22:05Z", "ms": 413770925481.1471 }, "end": { "local": "1983-02-11T01:10:05+00:00", "utc": "1983-02-11T01:10:05Z", "ms": 413773805481.1471 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-02-11", "window": { "start": { "local": "1983-02-12T00:22:06+00:00", "utc": "1983-02-12T00:22:06Z", "ms": 413857325787.348 }, "end": { "local": "1983-02-12T01:10:06+00:00", "utc": "1983-02-12T01:10:06Z", "ms": 413860205787.348 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:35 on Thu 10 Feb to 22:11 on Fri 11 Feb.", "fact": "1983-02-10T19:35:12Z → 1983-02-11T22:11:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 10th, 00:22–01:10 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 7852 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Thursday 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": "1983-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-10", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Thursday 10 February. Caturdaśī runs from 19:35 on Thu 10 Feb to 22:11 on Fri 11 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25547, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 }, "end": { "local": "1983-02-11T22:11:14+00:00", "utc": "1983-02-11T22:11:14Z", "ms": 413849473875.45844 }, "month": { "amanta": 9, "purnimanta": 11, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-10T19:35:12+00:00", "utc": "1983-02-10T19:35:12Z", "ms": 413753712243.6952 }, "end": { "local": "1983-02-11T22:11:14+00:00", "utc": "1983-02-11T22:11:14Z", "ms": 413849473875.45844 } }, "kaala": "arunodaya", "days": [ { "local_date": "1983-02-11", "window": { "start": { "local": "1983-02-11T05:17:14+00:00", "utc": "1983-02-11T05:17:14Z", "ms": 413788634098.8409 }, "end": { "local": "1983-02-11T06:55:50+00:00", "utc": "1983-02-11T06:55:50Z", "ms": 413794549959.82043 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1983-02-12", "window": { "start": { "local": "1983-02-12T05:17:01+00:00", "utc": "1983-02-12T05:17:01Z", "ms": 413875020727.581 }, "end": { "local": "1983-02-12T06:55:32+00:00", "utc": "1983-02-12T06:55:32Z", "ms": 413880931614.9385 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:35 on Thu 10 Feb to 22:11 on Fri 11 Feb.", "fact": "1983-02-10T19:35:12Z → 1983-02-11T22:11:14Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:17–06:56 on the 11th, 05:17–06:56 on the 12th.", "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 99 of 99 minutes on the 11th and 0 of 99 on the 12th.", "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 25547 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Bamako, 1983: Friday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-11", "confidence": "determinate" } ], "quote": "In Bamako, Yama Tarpaṇa 1983 falls on Friday 11 February. Caturdaśī runs from 19:35 on Thu 10 Feb to 22:11 on Fri 11 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-02-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21741, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-02-16T05:28:35+00:00", "utc": "1983-02-16T05:28:35Z", "ms": 414221315303.12946 }, "end": { "local": "1983-02-17T06:19:42+00:00", "utc": "1983-02-17T06:19:42Z", "ms": 414310782422.4143 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-16T05:28:35+00:00", "utc": "1983-02-16T05:28:35Z", "ms": 414221315303.12946 }, "end": { "local": "1983-02-17T06:19:42+00:00", "utc": "1983-02-17T06:19:42Z", "ms": 414310782422.4143 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-02-16", "window": { "start": { "local": "1983-02-16T12:22:07+00:00", "utc": "1983-02-16T12:22:07Z", "ms": 414246127471.6249 }, "end": { "local": "1983-02-16T13:10:07+00:00", "utc": "1983-02-16T13:10:07Z", "ms": 414249007471.6249 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-02-17", "window": { "start": { "local": "1983-02-17T12:22:04+00:00", "utc": "1983-02-17T12:22:04Z", "ms": 414332523752.91675 }, "end": { "local": "1983-02-17T13:10:04+00:00", "utc": "1983-02-17T13:10:04Z", "ms": 414335403752.91675 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:29 on Wed 16 Feb to 06:20 on Thu 17 Feb.", "fact": "1983-02-16T05:28:35Z → 1983-02-17T06:19:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 16th, 12:22–13:10 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 21741 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Wednesday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-16", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Wednesday 16 February. Caturthī runs from 05:29 on Wed 16 Feb to 06:20 on Thu 17 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-02-23", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21298, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-02-23T00:56:14+00:00", "utc": "1983-02-23T00:56:14Z", "ms": 414809774418.90784 }, "end": { "local": "1983-02-23T22:13:44+00:00", "utc": "1983-02-23T22:13:44Z", "ms": 414886424406.47797 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-23T00:56:14+00:00", "utc": "1983-02-23T00:56:14Z", "ms": 414809774418.90784 }, "end": { "local": "1983-02-23T22:13:44+00:00", "utc": "1983-02-23T22:13:44Z", "ms": 414886424406.47797 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-02-23", "window": { "start": { "local": "1983-02-23T06:51:12+00:00", "utc": "1983-02-23T06:51:12Z", "ms": 414831071921.22095 }, "end": { "local": "1983-02-23T06:51:12+00:00", "utc": "1983-02-23T06:51:12Z", "ms": 414831071921.22095 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-02-24", "window": { "start": { "local": "1983-02-24T06:50:43+00:00", "utc": "1983-02-24T06:50:43Z", "ms": 414917443498.74115 }, "end": { "local": "1983-02-24T06:50:43+00:00", "utc": "1983-02-24T06:50:43Z", "ms": 414917443498.74115 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:56 on Wed 23 Feb to 22:14 on Wed 23 Feb.", "fact": "1983-02-23T00:56:14Z → 1983-02-23T22:13:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 23rd and 06:51 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 21298 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Bamako, 1983: Wednesday 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": "1983-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-23", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Ekādaśī 1983 falls on Wednesday 23 February. Ekādaśī runs from 00:56 on Wed 23 Feb to 22:14 on Wed 23 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-02-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-02-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1723, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-02-24T19:08:36+00:00", "utc": "1983-02-24T19:08:36Z", "ms": 414961716279.048 }, "end": { "local": "1983-02-25T15:48:12+00:00", "utc": "1983-02-25T15:48:12Z", "ms": 415036092013.19293 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-02-24T19:08:36+00:00", "utc": "1983-02-24T19:08:36Z", "ms": 414961716279.048 }, "end": { "local": "1983-02-25T15:48:12+00:00", "utc": "1983-02-25T15:48:12Z", "ms": 415036092013.19293 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-02-24", "window": { "start": { "local": "1983-02-24T18:39:53+00:00", "utc": "1983-02-24T18:39:53Z", "ms": 414959993105.8968 }, "end": { "local": "1983-02-24T20:17:16+00:00", "utc": "1983-02-24T20:17:16Z", "ms": 414965835940.5418 } }, "covered_min": 69, "window_min": 97, "qualifies": true }, { "local_date": "1983-02-25", "window": { "start": { "local": "1983-02-25T18:40:04+00:00", "utc": "1983-02-25T18:40:04Z", "ms": 415046404067.79333 }, "end": { "local": "1983-02-25T20:17:21+00:00", "utc": "1983-02-25T20:17:21Z", "ms": 415052241465.1093 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:09 on Thu 24 Feb to 15:48 on Fri 25 Feb.", "fact": "1983-02-24T19:08:36Z → 1983-02-25T15:48:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:17 on the 24th, 18:40–20:17 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 69 of 97 minutes on the 24th and 0 of 97 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 1723 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Thursday 24 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": "1983-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-02-24", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Thursday 24 February. Trayodaśī runs from 19:09 on Thu 24 Feb to 15:48 on Fri 25 Feb and covers 69 of 97 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-03-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5860, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-03-02T00:55:55+00:00", "utc": "1983-03-02T00:55:55Z", "ms": 415414554583.8803 }, "end": { "local": "1983-03-02T23:30:59+00:00", "utc": "1983-03-02T23:30:59Z", "ms": 415495858666.5352 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-02T00:55:55+00:00", "utc": "1983-03-02T00:55:55Z", "ms": 415414554583.8803 }, "end": { "local": "1983-03-02T23:30:59+00:00", "utc": "1983-03-02T23:30:59Z", "ms": 415495858666.5352 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-03-01", "window": { "start": { "local": "1983-03-01T20:59:46+00:00", "utc": "1983-03-01T20:59:46Z", "ms": 415400386347.7249 }, "end": { "local": "1983-03-01T20:59:46+00:00", "utc": "1983-03-01T20:59:46Z", "ms": 415400386347.7249 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-03-02", "window": { "start": { "local": "1983-03-02T21:53:19+00:00", "utc": "1983-03-02T21:53:19Z", "ms": 415489998756.1558 }, "end": { "local": "1983-03-02T21:53:19+00:00", "utc": "1983-03-02T21:53:19Z", "ms": 415489998756.1558 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:56 on Wed 2 Mar to 23:31 on Wed 2 Mar.", "fact": "1983-03-02T00:55:55Z → 1983-03-02T23:30:59Z" }, { "step": "kaala", "text": "Moonrise is at 21:00 on the 1st and 21:53 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 5860 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Wednesday 2 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": "1983-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-02", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Wednesday 2 March. Caturthī runs from 00:56 on Wed 2 Mar to 23:31 on Wed 2 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-03-10", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2280, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-03-09T07:21:39+00:00", "utc": "1983-03-09T07:21:39Z", "ms": 416042498871.4809 }, "end": { "local": "1983-03-10T10:03:58+00:00", "utc": "1983-03-10T10:03:58Z", "ms": 416138638349.8841 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-09T07:21:39+00:00", "utc": "1983-03-09T07:21:39Z", "ms": 416042498871.4809 }, "end": { "local": "1983-03-10T10:03:58+00:00", "utc": "1983-03-10T10:03:58Z", "ms": 416138638349.8841 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-03-09", "window": { "start": { "local": "1983-03-09T06:43:39+00:00", "utc": "1983-03-09T06:43:39Z", "ms": 416040218732.22455 }, "end": { "local": "1983-03-09T06:43:39+00:00", "utc": "1983-03-09T06:43:39Z", "ms": 416040218732.22455 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-03-10", "window": { "start": { "local": "1983-03-10T06:43:03+00:00", "utc": "1983-03-10T06:43:03Z", "ms": 416126582669.8403 }, "end": { "local": "1983-03-10T06:43:03+00:00", "utc": "1983-03-10T06:43:03Z", "ms": 416126582669.8403 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:22 on Wed 9 Mar to 10:04 on Thu 10 Mar.", "fact": "1983-03-09T07:21:39Z → 1983-03-10T10:03:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 9th and 06:43 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2280 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Bamako, 1983: Thursday 10 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": "1983-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-10", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Ekādaśī 1983 falls on Thursday 10 March. Ekādaśī runs from 07:22 on Wed 9 Mar to 10:04 on Thu 10 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-03-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-03-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14241, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-03-11T12:34:47+00:00", "utc": "1983-03-11T12:34:47Z", "ms": 416234086693.9889 }, "end": { "local": "1983-03-12T14:44:38+00:00", "utc": "1983-03-12T14:44:38Z", "ms": 416328277680.0652 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-11T12:34:47+00:00", "utc": "1983-03-11T12:34:47Z", "ms": 416234086693.9889 }, "end": { "local": "1983-03-12T14:44:38+00:00", "utc": "1983-03-12T14:44:38Z", "ms": 416328277680.0652 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-03-11", "window": { "start": { "local": "1983-03-11T18:41:53+00:00", "utc": "1983-03-11T18:41:53Z", "ms": 416256113122.028 }, "end": { "local": "1983-03-11T20:17:53+00:00", "utc": "1983-03-11T20:17:53Z", "ms": 416261872633.4419 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1983-03-12", "window": { "start": { "local": "1983-03-12T18:41:58+00:00", "utc": "1983-03-12T18:41:58Z", "ms": 416342518373.9195 }, "end": { "local": "1983-03-12T20:17:52+00:00", "utc": "1983-03-12T20:17:52Z", "ms": 416348272237.47095 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:35 on Fri 11 Mar to 14:45 on Sat 12 Mar.", "fact": "1983-03-11T12:34:47Z → 1983-03-12T14:44:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:18 on the 11th, 18:42–20:18 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 11th and 0 of 96 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14241 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Friday 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": "1983-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-11", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Friday 11 March. Trayodaśī runs from 12:35 on Fri 11 Mar to 14:45 on Sat 12 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-03-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28151, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-03-12T14:44:38+00:00", "utc": "1983-03-12T14:44:38Z", "ms": 416328277680.0652 }, "end": { "local": "1983-03-13T16:28:08+00:00", "utc": "1983-03-13T16:28:08Z", "ms": 416420887853.2054 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": true, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-12T14:44:38+00:00", "utc": "1983-03-12T14:44:38Z", "ms": 416328277680.0652 }, "end": { "local": "1983-03-13T16:28:08+00:00", "utc": "1983-03-13T16:28:08Z", "ms": 416420887853.2054 } }, "kaala": "nishita", "days": [ { "local_date": "1983-03-12", "window": { "start": { "local": "1983-03-13T00:17:35+00:00", "utc": "1983-03-13T00:17:35Z", "ms": 416362655362.23755 }, "end": { "local": "1983-03-13T01:05:35+00:00", "utc": "1983-03-13T01:05:35Z", "ms": 416365535362.23755 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-03-13", "window": { "start": { "local": "1983-03-14T00:17:19+00:00", "utc": "1983-03-14T00:17:19Z", "ms": 416449039150.67316 }, "end": { "local": "1983-03-14T01:05:19+00:00", "utc": "1983-03-14T01:05:19Z", "ms": 416451919150.67316 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:45 on Sat 12 Mar to 16:28 on Sun 13 Mar.", "fact": "1983-03-12T14:44:38Z → 1983-03-13T16:28:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 12th, 00:17–01:05 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28151 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Saturday 12 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-12", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Saturday 12 March. Caturdaśī runs from 14:45 on Sat 12 Mar to 16:28 on Sun 13 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-03-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19481, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-03-17T18:51:53+00:00", "utc": "1983-03-17T18:51:53Z", "ms": 416775113478.59094 }, "end": { "local": "1983-03-18T18:28:55+00:00", "utc": "1983-03-18T18:28:55Z", "ms": 416860134627.93414 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-17T18:51:53+00:00", "utc": "1983-03-17T18:51:53Z", "ms": 416775113478.59094 }, "end": { "local": "1983-03-18T18:28:55+00:00", "utc": "1983-03-18T18:28:55Z", "ms": 416860134627.93414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-03-17", "window": { "start": { "local": "1983-03-17T12:16:31+00:00", "utc": "1983-03-17T12:16:31Z", "ms": 416751391019.9227 }, "end": { "local": "1983-03-17T13:04:31+00:00", "utc": "1983-03-17T13:04:31Z", "ms": 416754271019.9227 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-03-18", "window": { "start": { "local": "1983-03-18T12:16:14+00:00", "utc": "1983-03-18T12:16:14Z", "ms": 416837773744.9695 }, "end": { "local": "1983-03-18T13:04:14+00:00", "utc": "1983-03-18T13:04:14Z", "ms": 416840653744.9695 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:52 on Thu 17 Mar to 18:29 on Fri 18 Mar.", "fact": "1983-03-17T18:51:53Z → 1983-03-18T18:28:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 17th, 12:16–13:04 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 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19481 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Friday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-18", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Friday 18 March. Caturthī runs from 18:52 on Thu 17 Mar to 18:29 on Fri 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-03-24", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 856, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-03-24T08:58:36+00:00", "utc": "1983-03-24T08:58:36Z", "ms": 417344316330.10614 }, "end": { "local": "1983-03-25T06:19:13+00:00", "utc": "1983-03-25T06:19:13Z", "ms": 417421153107.66 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-24T08:58:36+00:00", "utc": "1983-03-24T08:58:36Z", "ms": 417344316330.10614 }, "end": { "local": "1983-03-25T06:19:13+00:00", "utc": "1983-03-25T06:19:13Z", "ms": 417421153107.66 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-03-24", "window": { "start": { "local": "1983-03-24T06:34:09+00:00", "utc": "1983-03-24T06:34:09Z", "ms": 417335648594.73755 }, "end": { "local": "1983-03-24T06:34:09+00:00", "utc": "1983-03-24T06:34:09Z", "ms": 417335648594.73755 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-03-25", "window": { "start": { "local": "1983-03-25T06:33:29+00:00", "utc": "1983-03-25T06:33:29Z", "ms": 417422009225.3073 }, "end": { "local": "1983-03-25T06:33:29+00:00", "utc": "1983-03-25T06:33:29Z", "ms": 417422009225.3073 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:59 on Thu 24 Mar to 06:19 on Fri 25 Mar.", "fact": "1983-03-24T08:58:36Z → 1983-03-25T06:19:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 24th and 06:33 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 not on the 25th.", "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 856 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Bamako, 1983: Thursday 24 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": "1983-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-24", "confidence": "determinate" } ], "quote": "In Bamako, Āmalakī Ekādaśī 1983 falls on Thursday 24 March. Ekādaśī runs from 08:59 on Thu 24 Mar to 06:19 on Fri 25 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-03-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-03-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15754, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-03-26T03:30:39+00:00", "utc": "1983-03-26T03:30:39Z", "ms": 417497439357.12585 }, "end": { "local": "1983-03-27T00:39:59+00:00", "utc": "1983-03-27T00:39:59Z", "ms": 417573599275.30396 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-26T03:30:39+00:00", "utc": "1983-03-26T03:30:39Z", "ms": 417497439357.12585 }, "end": { "local": "1983-03-27T00:39:59+00:00", "utc": "1983-03-27T00:39:59Z", "ms": 417573599275.30396 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-03-25", "window": { "start": { "local": "1983-03-25T18:42:48+00:00", "utc": "1983-03-25T18:42:48Z", "ms": 417465767780.6041 }, "end": { "local": "1983-03-25T20:17:28+00:00", "utc": "1983-03-25T20:17:28Z", "ms": 417471448052.4672 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1983-03-26", "window": { "start": { "local": "1983-03-26T18:42:51+00:00", "utc": "1983-03-26T18:42:51Z", "ms": 417552170657.0539 }, "end": { "local": "1983-03-26T20:17:25+00:00", "utc": "1983-03-26T20:17:25Z", "ms": 417557845290.0392 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:31 on Sat 26 Mar to 00:40 on Sun 27 Mar.", "fact": "1983-03-26T03:30:39Z → 1983-03-27T00:39:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:17 on the 25th, 18:43–20:17 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 95 minutes on the 25th and 95 of 95 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 15754 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Saturday 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": "1983-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-26", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Saturday 26 March. Trayodaśī runs from 03:31 on Sat 26 Mar to 00:40 on Sun 27 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2623, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-03-27T21:55:35+00:00", "utc": "1983-03-27T21:55:35Z", "ms": 417650134967.7902 }, "end": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-27T21:55:35+00:00", "utc": "1983-03-27T21:55:35Z", "ms": 417650134967.7902 }, "end": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 } }, "kaala": "sayahna", "days": [ { "local_date": "1983-03-27", "window": { "start": { "local": "1983-03-27T16:16:45+00:00", "utc": "1983-03-27T16:16:45Z", "ms": 417629804874.9232 }, "end": { "local": "1983-03-27T18:42:53+00:00", "utc": "1983-03-27T18:42:53Z", "ms": 417638573492.54315 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1983-03-28", "window": { "start": { "local": "1983-03-28T16:16:39+00:00", "utc": "1983-03-28T16:16:39Z", "ms": 417716199248.4444 }, "end": { "local": "1983-03-28T18:42:56+00:00", "utc": "1983-03-28T18:42:56Z", "ms": 417724976308.75995 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:56 on Sun 27 Mar to 19:27 on Mon 28 Mar.", "fact": "1983-03-27T21:55:35Z → 1983-03-28T19:26:40Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:43 on the 27th, 16:17–18:43 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 146 minutes on the 27th and 146 of 146 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 2623 s" }, { "step": "ruling", "text": "Holikā Dahana, Bamako, 1983: Monday 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": "1983-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-28", "confidence": "determinate" } ], "quote": "In Bamako, Holikā Dahana 1983 falls on Monday 28 March. Pūrṇimā runs from 21:56 on Sun 27 Mar to 19:27 on Mon 28 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2623, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-03-27T21:55:35+00:00", "utc": "1983-03-27T21:55:35Z", "ms": 417650134967.7902 }, "end": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1983-03-27T21:55:35+00:00", "utc": "1983-03-27T21:55:35Z", "ms": 417650134967.7902 }, "end": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 } }, "kaala": "sayahna", "days": [ { "local_date": "1983-03-27", "window": { "start": { "local": "1983-03-27T16:16:45+00:00", "utc": "1983-03-27T16:16:45Z", "ms": 417629804874.9232 }, "end": { "local": "1983-03-27T18:42:53+00:00", "utc": "1983-03-27T18:42:53Z", "ms": 417638573492.54315 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1983-03-28", "window": { "start": { "local": "1983-03-28T16:16:39+00:00", "utc": "1983-03-28T16:16:39Z", "ms": 417716199248.4444 }, "end": { "local": "1983-03-28T18:42:56+00:00", "utc": "1983-03-28T18:42:56Z", "ms": 417724976308.75995 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1983-03-28", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:56 on Sun 27 Mar to 19:27 on Mon 28 Mar.", "fact": "1983-03-27T21:55:35Z → 1983-03-28T19:26:40Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:43 on the 27th, 16:17–18:43 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 146 minutes on the 27th and 146 of 146 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 2623 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 28 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Bamako, 1983: Tuesday 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": "1983-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-29", "confidence": "determinate" } ], "quote": "In Bamako, Holī 1983 falls on Tuesday 29 March. It is kept the day after Holikā Dahana, which falls on Monday 28 March. Pūrṇimā runs from 21:56 on Sun 27 Mar to 19:27 on Mon 28 Mar and covers all of sāyāhna on the 28th.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39111, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 }, "end": { "local": "1983-03-29T17:22:42+00:00", "utc": "1983-03-29T17:22:42Z", "ms": 417806562258.42114 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-03-28T19:26:40+00:00", "utc": "1983-03-28T19:26:40Z", "ms": 417727599521.2212 }, "end": { "local": "1983-03-29T17:22:42+00:00", "utc": "1983-03-29T17:22:42Z", "ms": 417806562258.42114 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-03-28", "window": { "start": { "local": "1983-03-28T06:31:31+00:00", "utc": "1983-03-28T06:31:31Z", "ms": 417681091007.1823 }, "end": { "local": "1983-03-28T06:31:31+00:00", "utc": "1983-03-28T06:31:31Z", "ms": 417681091007.1823 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-03-29", "window": { "start": { "local": "1983-03-29T06:30:52+00:00", "utc": "1983-03-29T06:30:52Z", "ms": 417767451655.1203 }, "end": { "local": "1983-03-29T06:30:52+00:00", "utc": "1983-03-29T06:30:52Z", "ms": 417767451655.1203 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:27 on Mon 28 Mar to 17:23 on Tue 29 Mar.", "fact": "1983-03-28T19:26:40Z → 1983-03-29T17:22:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 28th and 06:31 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39111 s" }, { "step": "ruling", "text": "Vasantotsava, Bamako, 1983: Tuesday 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": "1983-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-29", "confidence": "determinate" } ], "quote": "In Bamako, Vasantotsava 1983 falls on Tuesday 29 March. Pratipadā runs from 19:27 on Mon 28 Mar to 17:23 on Tue 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-03-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22861, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-03-31T15:04:22+00:00", "utc": "1983-03-31T15:04:22Z", "ms": 417971061894.6674 }, "end": { "local": "1983-04-01T15:02:38+00:00", "utc": "1983-04-01T15:02:38Z", "ms": 418057358148.36884 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-03-31T15:04:22+00:00", "utc": "1983-03-31T15:04:22Z", "ms": 417971061894.6674 }, "end": { "local": "1983-04-01T15:02:38+00:00", "utc": "1983-04-01T15:02:38Z", "ms": 418057358148.36884 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-03-31", "window": { "start": { "local": "1983-03-31T21:25:23+00:00", "utc": "1983-03-31T21:25:23Z", "ms": 417993922819.9081 }, "end": { "local": "1983-03-31T21:25:23+00:00", "utc": "1983-03-31T21:25:23Z", "ms": 417993922819.9081 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-04-01", "window": { "start": { "local": "1983-04-01T22:18:33+00:00", "utc": "1983-04-01T22:18:33Z", "ms": 418083513191.6397 }, "end": { "local": "1983-04-01T22:18:33+00:00", "utc": "1983-04-01T22:18:33Z", "ms": 418083513191.6397 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:04 on Thu 31 Mar to 15:03 on Fri 1 Apr.", "fact": "1983-03-31T15:04:22Z → 1983-04-01T15:02:38Z" }, { "step": "kaala", "text": "Moonrise is at 21:25 on the 31st and 22:19 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 22861 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Thursday 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": "1983-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-03-31", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Thursday 31 March. Caturthī runs from 15:04 on Thu 31 Mar to 15:03 on Fri 1 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23195, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-04-04T19:25:42+00:00", "utc": "1983-04-04T19:25:42Z", "ms": 418332342194.6948 }, "end": { "local": "1983-04-05T21:54:37+00:00", "utc": "1983-04-05T21:54:37Z", "ms": 418427677212.8804 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-04T19:25:42+00:00", "utc": "1983-04-04T19:25:42Z", "ms": 418332342194.6948 }, "end": { "local": "1983-04-05T21:54:37+00:00", "utc": "1983-04-05T21:54:37Z", "ms": 418427677212.8804 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-04", "window": { "start": { "local": "1983-04-04T12:11:08+00:00", "utc": "1983-04-04T12:11:08Z", "ms": 418306267583.2016 }, "end": { "local": "1983-04-04T12:59:08+00:00", "utc": "1983-04-04T12:59:08Z", "ms": 418309147583.2016 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-04-05", "window": { "start": { "local": "1983-04-05T12:10:50+00:00", "utc": "1983-04-05T12:10:50Z", "ms": 418392650111.4053 }, "end": { "local": "1983-04-05T12:58:50+00:00", "utc": "1983-04-05T12:58:50Z", "ms": 418395530111.4053 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:26 on Mon 4 Apr to 21:55 on Tue 5 Apr.", "fact": "1983-04-04T19:25:42Z → 1983-04-05T21:54:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 4th, 12:11–12:59 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 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23195 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Bamako, 1983: Tuesday 5 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": "1983-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-05", "confidence": "determinate" } ], "quote": "In Bamako, Śītalāṣṭamī 1983 falls on Tuesday 5 April. Aṣṭamī runs from 19:26 on Mon 4 Apr to 21:55 on Tue 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-04-08", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4814, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-04-08T02:57:50+00:00", "utc": "1983-04-08T02:57:50Z", "ms": 418618670382.0187 }, "end": { "local": "1983-04-09T05:03:35+00:00", "utc": "1983-04-09T05:03:35Z", "ms": 418712615421.3427 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-08T02:57:50+00:00", "utc": "1983-04-08T02:57:50Z", "ms": 418618670382.0187 }, "end": { "local": "1983-04-09T05:03:35+00:00", "utc": "1983-04-09T05:03:35Z", "ms": 418712615421.3427 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-04-08", "window": { "start": { "local": "1983-04-08T06:24:26+00:00", "utc": "1983-04-08T06:24:26Z", "ms": 418631066241.1322 }, "end": { "local": "1983-04-08T06:24:26+00:00", "utc": "1983-04-08T06:24:26Z", "ms": 418631066241.1322 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-04-09", "window": { "start": { "local": "1983-04-09T06:23:49+00:00", "utc": "1983-04-09T06:23:49Z", "ms": 418717429023.9769 }, "end": { "local": "1983-04-09T06:23:49+00:00", "utc": "1983-04-09T06:23:49Z", "ms": 418717429023.9769 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:58 on Fri 8 Apr to 05:04 on Sat 9 Apr.", "fact": "1983-04-08T02:57:50Z → 1983-04-09T05:03:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 8th and 06:24 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4814 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Bamako, 1983: Friday 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": "1983-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-08", "confidence": "determinate" } ], "quote": "In Bamako, Pāpamocanī Ekādaśī 1983 falls on Friday 8 April. Ekādaśī runs from 02:58 on Fri 8 Apr to 05:04 on Sat 9 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-04-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37323, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-04-10T06:38:55+00:00", "utc": "1983-04-10T06:38:55Z", "ms": 418804735383.7817 }, "end": { "local": "1983-04-11T07:39:33+00:00", "utc": "1983-04-11T07:39:33Z", "ms": 418894772620.3251 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-10T06:38:55+00:00", "utc": "1983-04-10T06:38:55Z", "ms": 418804735383.7817 }, "end": { "local": "1983-04-11T07:39:33+00:00", "utc": "1983-04-11T07:39:33Z", "ms": 418894772620.3251 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-04-09", "window": { "start": { "local": "1983-04-09T18:43:36+00:00", "utc": "1983-04-09T18:43:36Z", "ms": 418761815636.89453 }, "end": { "local": "1983-04-09T20:16:53+00:00", "utc": "1983-04-09T20:16:53Z", "ms": 418767412503.02496 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1983-04-10", "window": { "start": { "local": "1983-04-10T18:43:40+00:00", "utc": "1983-04-10T18:43:40Z", "ms": 418848219857.3912 }, "end": { "local": "1983-04-10T20:16:51+00:00", "utc": "1983-04-10T20:16:51Z", "ms": 418853811288.02795 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:39 on Sun 10 Apr to 07:40 on Mon 11 Apr.", "fact": "1983-04-10T06:38:55Z → 1983-04-11T07:39:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:17 on the 9th, 18:44–20:17 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 9th and 93 of 93 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 37323 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Sunday 10 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": "1983-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-10", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Sunday 10 April. Trayodaśī runs from 06:39 on Sun 10 Apr to 07:40 on Mon 11 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-04-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24145, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-04-11T07:39:33+00:00", "utc": "1983-04-11T07:39:33Z", "ms": 418894772620.3251 }, "end": { "local": "1983-04-12T08:05:09+00:00", "utc": "1983-04-12T08:05:09Z", "ms": 418982708695.67126 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-11T07:39:33+00:00", "utc": "1983-04-11T07:39:33Z", "ms": 418894772620.3251 }, "end": { "local": "1983-04-12T08:05:09+00:00", "utc": "1983-04-12T08:05:09Z", "ms": 418982708695.67126 } }, "kaala": "nishita", "days": [ { "local_date": "1983-04-10", "window": { "start": { "local": "1983-04-11T00:09:08+00:00", "utc": "1983-04-11T00:09:08Z", "ms": 418867747722.2792 }, "end": { "local": "1983-04-11T00:57:08+00:00", "utc": "1983-04-11T00:57:08Z", "ms": 418870627722.2792 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-04-11", "window": { "start": { "local": "1983-04-12T00:08:52+00:00", "utc": "1983-04-12T00:08:52Z", "ms": 418954131843.83264 }, "end": { "local": "1983-04-12T00:56:52+00:00", "utc": "1983-04-12T00:56:52Z", "ms": 418957011843.83264 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:40 on Mon 11 Apr to 08:05 on Tue 12 Apr.", "fact": "1983-04-11T07:39:33Z → 1983-04-12T08:05:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 10th, 00:09–00:57 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 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24145 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Monday 11 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": "1983-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-11", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Monday 11 April. Caturdaśī runs from 07:40 on Mon 11 Apr to 08:05 on Tue 12 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11061, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1983-04-14T03:16:27+00:00", "utc": "1983-04-14T03:16:27Z", "ms": 419138187094.316 }, "end": { "local": "1983-05-15T00:09:26+00:00", "utc": "1983-05-15T00:09:26Z", "ms": 421805365544.5818 } }, "span": { "of": "transit", "start": { "local": "1983-04-14T03:16:27+00:00", "utc": "1983-04-14T03:16:27Z", "ms": 419138187094.316 }, "end": { "local": "1983-04-14T03:16:27+00:00", "utc": "1983-04-14T03:16:27Z", "ms": 419138187094.316 } }, "kaala": "day", "days": [ { "local_date": "1983-04-13", "window": { "start": { "local": "1983-04-13T06:21:24+00:00", "utc": "1983-04-13T06:21:24Z", "ms": 419062883605.9437 }, "end": { "local": "1983-04-14T06:20:48+00:00", "utc": "1983-04-14T06:20:48Z", "ms": 419149248205.7684 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1983-04-14", "window": { "start": { "local": "1983-04-14T06:20:48+00:00", "utc": "1983-04-14T06:20:48Z", "ms": 419149248205.7684 }, "end": { "local": "1983-04-15T06:20:13+00:00", "utc": "1983-04-15T06:20:13Z", "ms": 419235613221.84344 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 03:16 on Thu 14 Apr.", "fact": "1983-04-14T03:16:27Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 13th, and from 06:21 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 11061 s" }, { "step": "ruling", "text": "Vaiśākhī, Bamako, 1983: Wednesday 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": "1983-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1983-04-14", "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": "1983-04-14", "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 Bamako, Vaiśākhī 1983 falls on Wednesday 13 April. The Sun enters Meṣa at 03:16 on Thu 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/bamako/festivals/1983/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": "/bamako/festivals/1983/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15020, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-04-13T07:58:19+00:00", "utc": "1983-04-13T07:58:19Z", "ms": 419068698872.5424 }, "end": { "local": "1983-04-14T07:23:20+00:00", "utc": "1983-04-14T07:23:20Z", "ms": 419152999503.01605 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-13T07:58:19+00:00", "utc": "1983-04-13T07:58:19Z", "ms": 419068698872.5424 }, "end": { "local": "1983-04-14T07:23:20+00:00", "utc": "1983-04-14T07:23:20Z", "ms": 419152999503.01605 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-13", "window": { "start": { "local": "1983-04-13T12:08:39+00:00", "utc": "1983-04-13T12:08:39Z", "ms": 419083718693.6842 }, "end": { "local": "1983-04-13T12:56:39+00:00", "utc": "1983-04-13T12:56:39Z", "ms": 419086598693.6842 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-14", "window": { "start": { "local": "1983-04-14T12:08:24+00:00", "utc": "1983-04-14T12:08:24Z", "ms": 419170103539.05896 }, "end": { "local": "1983-04-14T12:56:24+00:00", "utc": "1983-04-14T12:56:24Z", "ms": 419172983539.05896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:58 on Wed 13 Apr to 07:23 on Thu 14 Apr.", "fact": "1983-04-13T07:58:19Z → 1983-04-14T07:23:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 13th, 12:08–12:56 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15020 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Bamako, 1983: Wednesday 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": "1983-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-13", "confidence": "determinate" } ], "quote": "In Bamako, Navarātrārambha (Caitra) (Chaitra Navratri) 1983 falls on Wednesday 13 April. Pratipadā runs from 07:58 on Wed 13 Apr to 07:23 on Thu 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20585, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-04-15T06:25:04+00:00", "utc": "1983-04-15T06:25:04Z", "ms": 419235903713.274 }, "end": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-15T06:25:04+00:00", "utc": "1983-04-15T06:25:04Z", "ms": 419235903713.274 }, "end": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-15", "window": { "start": { "local": "1983-04-15T12:08:09+00:00", "utc": "1983-04-15T12:08:09Z", "ms": 419256488711.16516 }, "end": { "local": "1983-04-15T12:56:09+00:00", "utc": "1983-04-15T12:56:09Z", "ms": 419259368711.16516 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-16", "window": { "start": { "local": "1983-04-16T12:07:54+00:00", "utc": "1983-04-16T12:07:54Z", "ms": 419342874221.56445 }, "end": { "local": "1983-04-16T12:55:54+00:00", "utc": "1983-04-16T12:55:54Z", "ms": 419345754221.56445 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:25 on Fri 15 Apr to 05:08 on Sat 16 Apr.", "fact": "1983-04-15T06:25:04Z → 1983-04-16T05:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 15th, 12:08–12:56 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 20585 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Bamako, 1983: Friday 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": "1983-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-15", "confidence": "determinate" } ], "quote": "In Bamako, Gaurī Tṛtīyā (Gangaur) 1983 falls on Friday 15 April. Tṛtīyā runs from 06:25 on Fri 15 Apr to 05:08 on Sat 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20585, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-04-15T06:25:04+00:00", "utc": "1983-04-15T06:25:04Z", "ms": 419235903713.274 }, "end": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-15T06:25:04+00:00", "utc": "1983-04-15T06:25:04Z", "ms": 419235903713.274 }, "end": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-15", "window": { "start": { "local": "1983-04-15T12:08:09+00:00", "utc": "1983-04-15T12:08:09Z", "ms": 419256488711.16516 }, "end": { "local": "1983-04-15T12:56:09+00:00", "utc": "1983-04-15T12:56:09Z", "ms": 419259368711.16516 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-16", "window": { "start": { "local": "1983-04-16T12:07:54+00:00", "utc": "1983-04-16T12:07:54Z", "ms": 419342874221.56445 }, "end": { "local": "1983-04-16T12:55:54+00:00", "utc": "1983-04-16T12:55:54Z", "ms": 419345754221.56445 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:25 on Fri 15 Apr to 05:08 on Sat 16 Apr.", "fact": "1983-04-15T06:25:04Z → 1983-04-16T05:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 15th, 12:08–12:56 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 20585 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Bamako, 1983: Friday 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": "1983-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-15", "confidence": "determinate" } ], "quote": "In Bamako, Saubhāgya Śayana Vrata 1983 falls on Friday 15 April. Tṛtīyā runs from 06:25 on Fri 15 Apr to 05:08 on Sat 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-04-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25182, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 }, "end": { "local": "1983-04-17T03:36:44+00:00", "utc": "1983-04-17T03:36:44Z", "ms": 419398603510.6794 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-16T05:08:12+00:00", "utc": "1983-04-16T05:08:12Z", "ms": 419317692494.6725 }, "end": { "local": "1983-04-17T03:36:44+00:00", "utc": "1983-04-17T03:36:44Z", "ms": 419398603510.6794 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-16", "window": { "start": { "local": "1983-04-16T12:07:54+00:00", "utc": "1983-04-16T12:07:54Z", "ms": 419342874221.56445 }, "end": { "local": "1983-04-16T12:55:54+00:00", "utc": "1983-04-16T12:55:54Z", "ms": 419345754221.56445 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-17", "window": { "start": { "local": "1983-04-17T12:07:40+00:00", "utc": "1983-04-17T12:07:40Z", "ms": 419429260081.6553 }, "end": { "local": "1983-04-17T12:55:40+00:00", "utc": "1983-04-17T12:55:40Z", "ms": 419432140081.6553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:08 on Sat 16 Apr to 03:37 on Sun 17 Apr.", "fact": "1983-04-16T05:08:12Z → 1983-04-17T03:36:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 16th, 12:08–12:56 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 25182 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Saturday 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": "1983-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-16", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Saturday 16 April. Caturthī runs from 05:08 on Sat 16 Apr to 03:37 on Sun 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30657, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-04-17T03:36:44+00:00", "utc": "1983-04-17T03:36:44Z", "ms": 419398603510.6794 }, "end": { "local": "1983-04-18T01:53:38+00:00", "utc": "1983-04-18T01:53:38Z", "ms": 419478817806.08734 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-17T03:36:44+00:00", "utc": "1983-04-17T03:36:44Z", "ms": 419398603510.6794 }, "end": { "local": "1983-04-18T01:53:38+00:00", "utc": "1983-04-18T01:53:38Z", "ms": 419478817806.08734 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-17", "window": { "start": { "local": "1983-04-17T12:07:40+00:00", "utc": "1983-04-17T12:07:40Z", "ms": 419429260081.6553 }, "end": { "local": "1983-04-17T12:55:40+00:00", "utc": "1983-04-17T12:55:40Z", "ms": 419432140081.6553 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-18", "window": { "start": { "local": "1983-04-18T12:07:26+00:00", "utc": "1983-04-18T12:07:26Z", "ms": 419515646302.9398 }, "end": { "local": "1983-04-18T12:55:26+00:00", "utc": "1983-04-18T12:55:26Z", "ms": 419518526302.9398 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:37 on Sun 17 Apr to 01:54 on Mon 18 Apr.", "fact": "1983-04-17T03:36:44Z → 1983-04-18T01:53:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 17th, 12:07–12:55 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 30657 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Bamako, 1983: Sunday 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": "1983-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-17", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pañcamī 1983 falls on Sunday 17 April. Pañcamī runs from 03:37 on Sun 17 Apr to 01:54 on Mon 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25111, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-04-19T22:00:33+00:00", "utc": "1983-04-19T22:00:33Z", "ms": 419637632906.10675 }, "end": { "local": "1983-04-20T19:53:31+00:00", "utc": "1983-04-20T19:53:31Z", "ms": 419716411001.49695 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-19T22:00:33+00:00", "utc": "1983-04-19T22:00:33Z", "ms": 419637632906.10675 }, "end": { "local": "1983-04-20T19:53:31+00:00", "utc": "1983-04-20T19:53:31Z", "ms": 419716411001.49695 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-19", "window": { "start": { "local": "1983-04-19T12:07:13+00:00", "utc": "1983-04-19T12:07:13Z", "ms": 419602032897.2748 }, "end": { "local": "1983-04-19T12:55:13+00:00", "utc": "1983-04-19T12:55:13Z", "ms": 419604912897.2748 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-04-20", "window": { "start": { "local": "1983-04-20T12:07:00+00:00", "utc": "1983-04-20T12:07:00Z", "ms": 419688419877.074 }, "end": { "local": "1983-04-20T12:55:00+00:00", "utc": "1983-04-20T12:55:00Z", "ms": 419691299877.074 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:01 on Tue 19 Apr to 19:54 on Wed 20 Apr.", "fact": "1983-04-19T22:00:33Z → 1983-04-20T19:53:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 19th, 12:07–12:55 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25111 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Bamako, 1983: Wednesday 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": "1983-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-20", "confidence": "determinate" } ], "quote": "In Bamako, Bhavānī Utpatti 1983 falls on Wednesday 20 April. Aṣṭamī runs from 22:01 on Tue 19 Apr to 19:54 on Wed 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17217, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1983-04-20T19:53:31+00:00", "utc": "1983-04-20T19:53:31Z", "ms": 419716411001.49695 }, "end": { "local": "1983-04-21T17:41:44+00:00", "utc": "1983-04-21T17:41:44Z", "ms": 419794904226.86224 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-20T19:53:31+00:00", "utc": "1983-04-20T19:53:31Z", "ms": 419716411001.49695 }, "end": { "local": "1983-04-21T17:41:44+00:00", "utc": "1983-04-21T17:41:44Z", "ms": 419794904226.86224 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-20", "window": { "start": { "local": "1983-04-20T12:07:00+00:00", "utc": "1983-04-20T12:07:00Z", "ms": 419688419877.074 }, "end": { "local": "1983-04-20T12:55:00+00:00", "utc": "1983-04-20T12:55:00Z", "ms": 419691299877.074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-04-21", "window": { "start": { "local": "1983-04-21T12:06:47+00:00", "utc": "1983-04-21T12:06:47Z", "ms": 419774807255.43555 }, "end": { "local": "1983-04-21T12:54:47+00:00", "utc": "1983-04-21T12:54:47Z", "ms": 419777687255.43555 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:54 on Wed 20 Apr to 17:42 on Thu 21 Apr.", "fact": "1983-04-20T19:53:31Z → 1983-04-21T17:41:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 20th, 12:07–12:55 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17217 s" }, { "step": "ruling", "text": "Rāma Navamī, Bamako, 1983: Thursday 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": "1983-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-21", "confidence": "determinate" } ], "quote": "In Bamako, Rāma Navamī 1983 falls on Thursday 21 April. Navamī runs from 19:54 on Wed 20 Apr to 17:42 on Thu 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-04-23", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25170, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-04-22T15:27:47+00:00", "utc": "1983-04-22T15:27:47Z", "ms": 419873267296.908 }, "end": { "local": "1983-04-23T13:15:20+00:00", "utc": "1983-04-23T13:15:20Z", "ms": 419951720020.1371 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-22T15:27:47+00:00", "utc": "1983-04-22T15:27:47Z", "ms": 419873267296.908 }, "end": { "local": "1983-04-23T13:15:20+00:00", "utc": "1983-04-23T13:15:20Z", "ms": 419951720020.1371 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-04-22", "window": { "start": { "local": "1983-04-22T06:16:21+00:00", "utc": "1983-04-22T06:16:21Z", "ms": 419840181394.53864 }, "end": { "local": "1983-04-22T06:16:21+00:00", "utc": "1983-04-22T06:16:21Z", "ms": 419840181394.53864 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-04-23", "window": { "start": { "local": "1983-04-23T06:15:50+00:00", "utc": "1983-04-23T06:15:50Z", "ms": 419926550354.5321 }, "end": { "local": "1983-04-23T06:15:50+00:00", "utc": "1983-04-23T06:15:50Z", "ms": 419926550354.5321 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:28 on Fri 22 Apr to 13:15 on Sat 23 Apr.", "fact": "1983-04-22T15:27:47Z → 1983-04-23T13:15:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 22nd and 06:16 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25170 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Bamako, 1983: Saturday 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": "1983-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-23", "confidence": "determinate" } ], "quote": "In Bamako, Kāmadā Ekādaśī 1983 falls on Saturday 23 April. Ekādaśī runs from 15:28 on Fri 22 Apr to 13:15 on Sat 23 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3420, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-04-24T11:09:12+00:00", "utc": "1983-04-24T11:09:12Z", "ms": 420030552282.6971 }, "end": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-24T11:09:12+00:00", "utc": "1983-04-24T11:09:12Z", "ms": 420030552282.6971 }, "end": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-24", "window": { "start": { "local": "1983-04-24T12:06:12+00:00", "utc": "1983-04-24T12:06:12Z", "ms": 420033971923.175 }, "end": { "local": "1983-04-24T12:54:12+00:00", "utc": "1983-04-24T12:54:12Z", "ms": 420036851923.175 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-25", "window": { "start": { "local": "1983-04-25T12:06:01+00:00", "utc": "1983-04-25T12:06:01Z", "ms": 420120361039.5645 }, "end": { "local": "1983-04-25T12:54:01+00:00", "utc": "1983-04-25T12:54:01Z", "ms": 420123241039.5645 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:09 on Sun 24 Apr to 09:15 on Mon 25 Apr.", "fact": "1983-04-24T11:09:12Z → 1983-04-25T09:15:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 24th, 12:06–12:54 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 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3420 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Bamako, 1983: Sunday 24 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": "1983-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-24", "confidence": "determinate" } ], "quote": "In Bamako, Anaṅga Trayodaśī 1983 falls on Sunday 24 April. Trayodaśī runs from 11:09 on Sun 24 Apr to 09:15 on Mon 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-04-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27352, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-04-24T11:09:12+00:00", "utc": "1983-04-24T11:09:12Z", "ms": 420030552282.6971 }, "end": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-24T11:09:12+00:00", "utc": "1983-04-24T11:09:12Z", "ms": 420030552282.6971 }, "end": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-04-24", "window": { "start": { "local": "1983-04-24T18:45:04+00:00", "utc": "1983-04-24T18:45:04Z", "ms": 420057903954.8412 }, "end": { "local": "1983-04-24T20:17:02+00:00", "utc": "1983-04-24T20:17:02Z", "ms": 420063422097.6199 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1983-04-25", "window": { "start": { "local": "1983-04-25T18:45:12+00:00", "utc": "1983-04-25T18:45:12Z", "ms": 420144312053.4479 }, "end": { "local": "1983-04-25T20:17:05+00:00", "utc": "1983-04-25T20:17:05Z", "ms": 420149825216.6202 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:09 on Sun 24 Apr to 09:15 on Mon 25 Apr.", "fact": "1983-04-24T11:09:12Z → 1983-04-25T09:15:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:17 on the 24th, 18:45–20:17 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 92 of 92 minutes on the 24th and 0 of 92 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 27352 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Sunday 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": "1983-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-24", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Sunday 24 April. Trayodaśī runs from 11:09 on Sun 24 Apr to 09:15 on Mon 25 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10244, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 }, "end": { "local": "1983-04-26T07:40:09+00:00", "utc": "1983-04-26T07:40:09Z", "ms": 420190809216.64453 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-25T09:15:17+00:00", "utc": "1983-04-25T09:15:17Z", "ms": 420110116639.1535 }, "end": { "local": "1983-04-26T07:40:09+00:00", "utc": "1983-04-26T07:40:09Z", "ms": 420190809216.64453 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-25", "window": { "start": { "local": "1983-04-25T12:06:01+00:00", "utc": "1983-04-25T12:06:01Z", "ms": 420120361039.5645 }, "end": { "local": "1983-04-25T12:54:01+00:00", "utc": "1983-04-25T12:54:01Z", "ms": 420123241039.5645 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-26", "window": { "start": { "local": "1983-04-26T12:05:51+00:00", "utc": "1983-04-26T12:05:51Z", "ms": 420206750628.0238 }, "end": { "local": "1983-04-26T12:53:51+00:00", "utc": "1983-04-26T12:53:51Z", "ms": 420209630628.0238 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:15 on Mon 25 Apr to 07:40 on Tue 26 Apr.", "fact": "1983-04-25T09:15:17Z → 1983-04-26T07:40:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 25th, 12:06–12:54 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10244 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Bamako, 1983: Monday 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": "1983-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-25", "confidence": "determinate" } ], "quote": "In Bamako, Viṣṇudamanaka Caturdaśī 1983 falls on Monday 25 April. Caturdaśī runs from 09:15 on Mon 25 Apr to 07:40 on Tue 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15941, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-04-26T07:40:09+00:00", "utc": "1983-04-26T07:40:09Z", "ms": 420190809216.64453 }, "end": { "local": "1983-04-27T06:30:40+00:00", "utc": "1983-04-27T06:30:40Z", "ms": 420273039533.2908 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1983-04-26T07:40:09+00:00", "utc": "1983-04-26T07:40:09Z", "ms": 420190809216.64453 }, "end": { "local": "1983-04-27T06:30:40+00:00", "utc": "1983-04-27T06:30:40Z", "ms": 420273039533.2908 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-04-26", "window": { "start": { "local": "1983-04-26T12:05:51+00:00", "utc": "1983-04-26T12:05:51Z", "ms": 420206750628.0238 }, "end": { "local": "1983-04-26T12:53:51+00:00", "utc": "1983-04-26T12:53:51Z", "ms": 420209630628.0238 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-04-27", "window": { "start": { "local": "1983-04-27T12:05:41+00:00", "utc": "1983-04-27T12:05:41Z", "ms": 420293140703.2104 }, "end": { "local": "1983-04-27T12:53:41+00:00", "utc": "1983-04-27T12:53:41Z", "ms": 420296020703.2104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:40 on Tue 26 Apr to 06:31 on Wed 27 Apr.", "fact": "1983-04-26T07:40:09Z → 1983-04-27T06:30:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 26th, 12:06–12:54 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 15941 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Bamako, 1983: Tuesday 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": "1983-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-26", "confidence": "determinate" } ], "quote": "In Bamako, Caitrī Pūrṇimā 1983 falls on Tuesday 26 April. Pūrṇimā runs from 07:40 on Tue 26 Apr to 06:31 on Wed 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-04-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34315, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-04-30T06:31:52+00:00", "utc": "1983-04-30T06:31:52Z", "ms": 420532311862.07294 }, "end": { "local": "1983-05-01T07:50:03+00:00", "utc": "1983-05-01T07:50:03Z", "ms": 420623402945.3984 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-04-30T06:31:52+00:00", "utc": "1983-04-30T06:31:52Z", "ms": 420532311862.07294 }, "end": { "local": "1983-05-01T07:50:03+00:00", "utc": "1983-05-01T07:50:03Z", "ms": 420623402945.3984 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-04-29", "window": { "start": { "local": "1983-04-29T20:59:57+00:00", "utc": "1983-04-29T20:59:57Z", "ms": 420497996711.6095 }, "end": { "local": "1983-04-29T20:59:57+00:00", "utc": "1983-04-29T20:59:57Z", "ms": 420497996711.6095 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-04-30", "window": { "start": { "local": "1983-04-30T21:53:20+00:00", "utc": "1983-04-30T21:53:20Z", "ms": 420587599560.5189 }, "end": { "local": "1983-04-30T21:53:20+00:00", "utc": "1983-04-30T21:53:20Z", "ms": 420587599560.5189 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:32 on Sat 30 Apr to 07:50 on Sun 1 May.", "fact": "1983-04-30T06:31:52Z → 1983-05-01T07:50:03Z" }, { "step": "kaala", "text": "Moonrise is at 21:00 on the 29th and 21:53 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34315 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Saturday 30 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": "1983-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-04-30", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Saturday 30 April. Caturthī runs from 06:32 on Sat 30 Apr to 07:50 on Sun 1 May and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-05-08", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30234, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-05-07T20:42:58+00:00", "utc": "1983-05-07T20:42:58Z", "ms": 421188178107.7748 }, "end": { "local": "1983-05-08T21:45:10+00:00", "utc": "1983-05-08T21:45:10Z", "ms": 421278310455.68396 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-07T20:42:58+00:00", "utc": "1983-05-07T20:42:58Z", "ms": 421188178107.7748 }, "end": { "local": "1983-05-08T21:45:10+00:00", "utc": "1983-05-08T21:45:10Z", "ms": 421278310455.68396 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-05-08", "window": { "start": { "local": "1983-05-08T06:09:24+00:00", "utc": "1983-05-08T06:09:24Z", "ms": 421222164435.006 }, "end": { "local": "1983-05-08T06:09:24+00:00", "utc": "1983-05-08T06:09:24Z", "ms": 421222164435.006 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-05-09", "window": { "start": { "local": "1983-05-09T06:09:05+00:00", "utc": "1983-05-09T06:09:05Z", "ms": 421308544730.8587 }, "end": { "local": "1983-05-09T06:09:05+00:00", "utc": "1983-05-09T06:09:05Z", "ms": 421308544730.8587 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:43 on Sat 7 May to 21:45 on Sun 8 May.", "fact": "1983-05-07T20:42:58Z → 1983-05-08T21:45:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 8th and 06:09 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30234 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Bamako, 1983: Sunday 8 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": "1983-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-08", "confidence": "determinate" } ], "quote": "In Bamako, Varūthinī Ekādaśī 1983 falls on Sunday 8 May. Ekādaśī runs from 20:43 on Sat 7 May to 21:45 on Sun 8 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-05-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-05-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5345, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-05-09T22:06:37+00:00", "utc": "1983-05-09T22:06:37Z", "ms": 421365996886.31433 }, "end": { "local": "1983-05-10T21:47:45+00:00", "utc": "1983-05-10T21:47:45Z", "ms": 421451265281.4399 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-09T22:06:37+00:00", "utc": "1983-05-09T22:06:37Z", "ms": 421365996886.31433 }, "end": { "local": "1983-05-10T21:47:45+00:00", "utc": "1983-05-10T21:47:45Z", "ms": 421451265281.4399 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-05-09", "window": { "start": { "local": "1983-05-09T18:47:42+00:00", "utc": "1983-05-09T18:47:42Z", "ms": 421354062417.463 }, "end": { "local": "1983-05-09T20:18:31+00:00", "utc": "1983-05-09T20:18:31Z", "ms": 421359510874.3469 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1983-05-10", "window": { "start": { "local": "1983-05-10T18:47:56+00:00", "utc": "1983-05-10T18:47:56Z", "ms": 421440475856.94464 }, "end": { "local": "1983-05-10T20:18:40+00:00", "utc": "1983-05-10T20:18:40Z", "ms": 421445920113.4608 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:07 on Mon 9 May to 21:48 on Tue 10 May.", "fact": "1983-05-09T22:06:37Z → 1983-05-10T21:47:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:19 on the 9th, 18:48–20:19 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 9th and 91 of 91 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 5345 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Tuesday 10 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": "1983-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-10", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Tuesday 10 May. Trayodaśī runs from 22:07 on Mon 9 May to 21:48 on Tue 10 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-05-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8187, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-05-10T21:47:45+00:00", "utc": "1983-05-10T21:47:45Z", "ms": 421451265281.4399 }, "end": { "local": "1983-05-11T20:52:05+00:00", "utc": "1983-05-11T20:52:05Z", "ms": 421534325484.73804 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-10T21:47:45+00:00", "utc": "1983-05-10T21:47:45Z", "ms": 421451265281.4399 }, "end": { "local": "1983-05-11T20:52:05+00:00", "utc": "1983-05-11T20:52:05Z", "ms": 421534325484.73804 } }, "kaala": "nishita", "days": [ { "local_date": "1983-05-10", "window": { "start": { "local": "1983-05-11T00:04:12+00:00", "utc": "1983-05-11T00:04:12Z", "ms": 421459451818.88025 }, "end": { "local": "1983-05-11T00:52:12+00:00", "utc": "1983-05-11T00:52:12Z", "ms": 421462331818.88025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-05-11", "window": { "start": { "local": "1983-05-12T00:04:10+00:00", "utc": "1983-05-12T00:04:10Z", "ms": 421545850089.78534 }, "end": { "local": "1983-05-12T00:52:10+00:00", "utc": "1983-05-12T00:52:10Z", "ms": 421548730089.78534 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:48 on Tue 10 May to 20:52 on Wed 11 May.", "fact": "1983-05-10T21:47:45Z → 1983-05-11T20:52:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 10th, 00:04–00:52 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 8187 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Tuesday 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": "1983-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-10", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Tuesday 10 May. Caturdaśī runs from 21:48 on Tue 10 May to 20:52 on Wed 11 May and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12342, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-05-14T15:23:11+00:00", "utc": "1983-05-14T15:23:11Z", "ms": 421773791374.9548 }, "end": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-14T15:23:11+00:00", "utc": "1983-05-14T15:23:11Z", "ms": 421773791374.9548 }, "end": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-05-14", "window": { "start": { "local": "1983-05-14T18:48:53+00:00", "utc": "1983-05-14T18:48:53Z", "ms": 421786132877.4142 }, "end": { "local": "1983-05-14T20:19:21+00:00", "utc": "1983-05-14T20:19:21Z", "ms": 421791561005.0614 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1983-05-15", "window": { "start": { "local": "1983-05-15T18:49:08+00:00", "utc": "1983-05-15T18:49:08Z", "ms": 421872547885.3252 }, "end": { "local": "1983-05-15T20:19:32+00:00", "utc": "1983-05-15T20:19:32Z", "ms": 421877972158.31793 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:23 on Sat 14 May to 13:01 on Sun 15 May.", "fact": "1983-05-14T15:23:11Z → 1983-05-15T13:01:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:19 on the 14th, 18:49–20:20 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 90 of 90 minutes on the 14th and 0 of 90 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 12342 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Bamako, 1983: Saturday 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": "1983-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-14", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Jayantī 1983 falls on Saturday 14 May. Tṛtīyā runs from 15:23 on Sat 14 May to 13:01 on Sun 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9609, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-05-14T15:23:11+00:00", "utc": "1983-05-14T15:23:11Z", "ms": 421773791374.9548 }, "end": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-14T15:23:11+00:00", "utc": "1983-05-14T15:23:11Z", "ms": 421773791374.9548 }, "end": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 } }, "kaala": "purvahna", "days": [ { "local_date": "1983-05-14", "window": { "start": { "local": "1983-05-14T06:07:39+00:00", "utc": "1983-05-14T06:07:39Z", "ms": 421740458571.2386 }, "end": { "local": "1983-05-14T10:21:23+00:00", "utc": "1983-05-14T10:21:23Z", "ms": 421755683339.9638 } }, "covered_min": 0, "window_min": 254, "qualifies": false }, { "local_date": "1983-05-15", "window": { "start": { "local": "1983-05-15T06:07:24+00:00", "utc": "1983-05-15T06:07:24Z", "ms": 421826843834.76843 }, "end": { "local": "1983-05-15T10:21:19+00:00", "utc": "1983-05-15T10:21:19Z", "ms": 421842078518.28735 } }, "covered_min": 254, "window_min": 254, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:23 on Sat 14 May to 13:01 on Sun 15 May.", "fact": "1983-05-14T15:23:11Z → 1983-05-15T13:01:28Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:08–10:21 on the 14th, 06:07–10:21 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 254 minutes on the 14th and 254 of 254 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 9609 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Bamako, 1983: Sunday 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": "1983-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-15", "confidence": "determinate" } ], "quote": "In Bamako, Akṣaya Tṛtīyā 1983 falls on Sunday 15 May. Tṛtīyā runs from 15:23 on Sat 14 May to 13:01 on Sun 15 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5425, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-05-16T10:33:52+00:00", "utc": "1983-05-16T10:33:52Z", "ms": 421929231954.7927 }, "end": { "local": "1983-05-17T08:05:27+00:00", "utc": "1983-05-17T08:05:27Z", "ms": 422006727020.2513 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-16T10:33:52+00:00", "utc": "1983-05-16T10:33:52Z", "ms": 421929231954.7927 }, "end": { "local": "1983-05-17T08:05:27+00:00", "utc": "1983-05-17T08:05:27Z", "ms": 422006727020.2513 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-16", "window": { "start": { "local": "1983-05-16T12:04:17+00:00", "utc": "1983-05-16T12:04:17Z", "ms": 421934656549.2383 }, "end": { "local": "1983-05-16T12:52:17+00:00", "utc": "1983-05-16T12:52:17Z", "ms": 421937536549.2383 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-05-17", "window": { "start": { "local": "1983-05-17T12:04:18+00:00", "utc": "1983-05-17T12:04:18Z", "ms": 422021057784.5476 }, "end": { "local": "1983-05-17T12:52:18+00:00", "utc": "1983-05-17T12:52:18Z", "ms": 422023937784.5476 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:34 on Mon 16 May to 08:05 on Tue 17 May.", "fact": "1983-05-16T10:33:52Z → 1983-05-17T08:05:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 16th, 12:04–12:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5425 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Bamako, 1983: Monday 16 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": "1983-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-16", "confidence": "determinate" } ], "quote": "In Bamako, Śaṅkara Jayantī 1983 falls on Monday 16 May. Pañcamī runs from 10:34 on Mon 16 May to 08:05 on Tue 17 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-05-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 552, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 }, "end": { "local": "1983-05-16T10:33:52+00:00", "utc": "1983-05-16T10:33:52Z", "ms": 421929231954.7927 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-15T13:01:28+00:00", "utc": "1983-05-15T13:01:28Z", "ms": 421851687785.252 }, "end": { "local": "1983-05-16T10:33:52+00:00", "utc": "1983-05-16T10:33:52Z", "ms": 421929231954.7927 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-15", "window": { "start": { "local": "1983-05-15T12:04:16+00:00", "utc": "1983-05-15T12:04:16Z", "ms": 421848255860.0468 }, "end": { "local": "1983-05-15T12:52:16+00:00", "utc": "1983-05-15T12:52:16Z", "ms": 421851135860.0468 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-05-16", "window": { "start": { "local": "1983-05-16T12:04:17+00:00", "utc": "1983-05-16T12:04:17Z", "ms": 421934656549.2383 }, "end": { "local": "1983-05-16T12:52:17+00:00", "utc": "1983-05-16T12:52:17Z", "ms": 421937536549.2383 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:01 on Sun 15 May to 10:34 on Mon 16 May.", "fact": "1983-05-15T13:01:28Z → 1983-05-16T10:33:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 15th, 12:04–12:52 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 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 552 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Monday 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": "1983-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-15", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Monday 16 May. Caturthī runs from 13:01 on Sun 15 May to 10:34 on Mon 16 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23032, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-05-18T05:40:28+00:00", "utc": "1983-05-18T05:40:28Z", "ms": 422084427708.25476 }, "end": { "local": "1983-05-19T03:22:26+00:00", "utc": "1983-05-19T03:22:26Z", "ms": 422162545795.559 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-18T05:40:28+00:00", "utc": "1983-05-18T05:40:28Z", "ms": 422084427708.25476 }, "end": { "local": "1983-05-19T03:22:26+00:00", "utc": "1983-05-19T03:22:26Z", "ms": 422162545795.559 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-18", "window": { "start": { "local": "1983-05-18T12:04:20+00:00", "utc": "1983-05-18T12:04:20Z", "ms": 422107459558.8845 }, "end": { "local": "1983-05-18T12:52:20+00:00", "utc": "1983-05-18T12:52:20Z", "ms": 422110339558.8845 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-05-19", "window": { "start": { "local": "1983-05-19T12:04:22+00:00", "utc": "1983-05-19T12:04:22Z", "ms": 422193861865.6299 }, "end": { "local": "1983-05-19T12:52:22+00:00", "utc": "1983-05-19T12:52:22Z", "ms": 422196741865.6299 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:40 on Wed 18 May to 03:22 on Thu 19 May.", "fact": "1983-05-18T05:40:28Z → 1983-05-19T03:22:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 18th, 12:04–12:52 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23032 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Bamako, 1983: Wednesday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-18", "confidence": "determinate" } ], "quote": "In Bamako, Gaṅgotpatti (Ganga Saptami) 1983 falls on Wednesday 18 May. Saptamī runs from 05:40 on Wed 18 May to 03:22 on Thu 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-05-22", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30440, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-05-21T21:38:45+00:00", "utc": "1983-05-21T21:38:45Z", "ms": 422401124546.37244 }, "end": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-21T21:38:45+00:00", "utc": "1983-05-21T21:38:45Z", "ms": 422401124546.37244 }, "end": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-05-22", "window": { "start": { "local": "1983-05-22T06:06:04+00:00", "utc": "1983-05-22T06:06:04Z", "ms": 422431564071.61 }, "end": { "local": "1983-05-22T06:06:04+00:00", "utc": "1983-05-22T06:06:04Z", "ms": 422431564071.61 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-05-23", "window": { "start": { "local": "1983-05-23T06:05:56+00:00", "utc": "1983-05-23T06:05:56Z", "ms": 422517956029.5491 }, "end": { "local": "1983-05-23T06:05:56+00:00", "utc": "1983-05-23T06:05:56Z", "ms": 422517956029.5491 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:39 on Sat 21 May to 20:17 on Sun 22 May.", "fact": "1983-05-21T21:38:45Z → 1983-05-22T20:16:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 22nd and 06:06 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 30440 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Bamako, 1983: Sunday 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": "1983-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-22", "confidence": "determinate" } ], "quote": "In Bamako, Mohinī Ekādaśī 1983 falls on Sunday 22 May. Ekādaśī runs from 21:39 on Sat 21 May to 20:17 on Sun 22 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22967, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 }, "end": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 }, "end": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-22", "window": { "start": { "local": "1983-05-22T12:04:32+00:00", "utc": "1983-05-22T12:04:32Z", "ms": 422453071921.2524 }, "end": { "local": "1983-05-22T12:52:32+00:00", "utc": "1983-05-22T12:52:32Z", "ms": 422455951921.2524 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-05-23", "window": { "start": { "local": "1983-05-23T12:04:36+00:00", "utc": "1983-05-23T12:04:36Z", "ms": 422539476299.9597 }, "end": { "local": "1983-05-23T12:52:36+00:00", "utc": "1983-05-23T12:52:36Z", "ms": 422542356299.9597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:17 on Sun 22 May to 19:15 on Mon 23 May.", "fact": "1983-05-22T20:16:35Z → 1983-05-23T19:15:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 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 22967 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Bamako, 1983: Monday 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": "1983-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-23", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Dvādaśī 1983 falls on Monday 23 May. Dvādaśī runs from 20:17 on Sun 22 May to 19:15 on Mon 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22967, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 }, "end": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-22T20:16:35+00:00", "utc": "1983-05-22T20:16:35Z", "ms": 422482595154.3277 }, "end": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-22", "window": { "start": { "local": "1983-05-22T12:04:32+00:00", "utc": "1983-05-22T12:04:32Z", "ms": 422453071921.2524 }, "end": { "local": "1983-05-22T12:52:32+00:00", "utc": "1983-05-22T12:52:32Z", "ms": 422455951921.2524 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-05-23", "window": { "start": { "local": "1983-05-23T12:04:36+00:00", "utc": "1983-05-23T12:04:36Z", "ms": 422539476299.9597 }, "end": { "local": "1983-05-23T12:52:36+00:00", "utc": "1983-05-23T12:52:36Z", "ms": 422542356299.9597 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:17 on Sun 22 May to 19:15 on Mon 23 May.", "fact": "1983-05-22T20:16:35Z → 1983-05-23T19:15:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 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 22967 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Bamako, 1983: Monday 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": "1983-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-23", "confidence": "determinate" } ], "quote": "In Bamako, Rukmiṇī Dvādaśī 1983 falls on Monday 23 May. Dvādaśī runs from 20:17 on Sun 22 May to 19:15 on Mon 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-05-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 799, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 }, "end": { "local": "1983-05-24T18:38:15+00:00", "utc": "1983-05-24T18:38:15Z", "ms": 422649494721.8152 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-23T19:15:23+00:00", "utc": "1983-05-23T19:15:23Z", "ms": 422565323357.62915 }, "end": { "local": "1983-05-24T18:38:15+00:00", "utc": "1983-05-24T18:38:15Z", "ms": 422649494721.8152 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-05-23", "window": { "start": { "local": "1983-05-23T18:51:17+00:00", "utc": "1983-05-23T18:51:17Z", "ms": 422563876570.3703 }, "end": { "local": "1983-05-23T20:21:13+00:00", "utc": "1983-05-23T20:21:13Z", "ms": 422569272871.5307 } }, "covered_min": 66, "window_min": 90, "qualifies": true }, { "local_date": "1983-05-24", "window": { "start": { "local": "1983-05-24T18:51:34+00:00", "utc": "1983-05-24T18:51:34Z", "ms": 422650293536.7053 }, "end": { "local": "1983-05-24T20:21:27+00:00", "utc": "1983-05-24T20:21:27Z", "ms": 422655686727.89655 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:15 on Mon 23 May to 18:38 on Tue 24 May.", "fact": "1983-05-23T19:15:23Z → 1983-05-24T18:38:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:21 on the 23rd, 18:52–20:21 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 66 of 90 minutes on the 23rd and 0 of 90 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 799 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Monday 23 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": "1983-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-23", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Monday 23 May. Trayodaśī runs from 19:15 on Mon 23 May to 18:38 on Tue 24 May and covers 66 of 90 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 799, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-05-24T18:38:15+00:00", "utc": "1983-05-24T18:38:15Z", "ms": 422649494721.8152 }, "end": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-24T18:38:15+00:00", "utc": "1983-05-24T18:38:15Z", "ms": 422649494721.8152 }, "end": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-05-24", "window": { "start": { "local": "1983-05-24T18:51:34+00:00", "utc": "1983-05-24T18:51:34Z", "ms": 422650293536.7053 }, "end": { "local": "1983-05-24T20:21:27+00:00", "utc": "1983-05-24T20:21:27Z", "ms": 422655686727.89655 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1983-05-25", "window": { "start": { "local": "1983-05-25T18:51:51+00:00", "utc": "1983-05-25T18:51:51Z", "ms": 422736710657.3745 }, "end": { "local": "1983-05-25T20:21:41+00:00", "utc": "1983-05-25T20:21:41Z", "ms": 422742100830.26044 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:38 on Tue 24 May to 18:28 on Wed 25 May.", "fact": "1983-05-24T18:38:15Z → 1983-05-25T18:28:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:21 on the 24th, 18:52–20:22 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 90 of 90 minutes on the 24th and 0 of 90 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 799 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Bamako, 1983: Tuesday 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": "1983-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-24", "confidence": "determinate" } ], "quote": "In Bamako, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1983 falls on Tuesday 24 May. Caturdaśī runs from 18:38 on Tue 24 May to 18:28 on Wed 25 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20123, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 }, "end": { "local": "1983-05-26T18:47:41+00:00", "utc": "1983-05-26T18:47:41Z", "ms": 422822860595.19293 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 }, "end": { "local": "1983-05-26T18:47:41+00:00", "utc": "1983-05-26T18:47:41Z", "ms": 422822860595.19293 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-25", "window": { "start": { "local": "1983-05-25T12:04:47+00:00", "utc": "1983-05-25T12:04:47Z", "ms": 422712286564.00696 }, "end": { "local": "1983-05-25T12:52:47+00:00", "utc": "1983-05-25T12:52:47Z", "ms": 422715166564.00696 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-05-26", "window": { "start": { "local": "1983-05-26T12:04:52+00:00", "utc": "1983-05-26T12:04:52Z", "ms": 422798692436.62463 }, "end": { "local": "1983-05-26T12:52:52+00:00", "utc": "1983-05-26T12:52:52Z", "ms": 422801572436.62463 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:28 on Wed 25 May to 18:48 on Thu 26 May.", "fact": "1983-05-25T18:28:10Z → 1983-05-26T18:47:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 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 20123 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Bamako, 1983: Thursday 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": "1983-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-26", "confidence": "determinate" } ], "quote": "In Bamako, Buddha Pūrṇimā 1983 falls on Thursday 26 May. Pūrṇimā runs from 18:28 on Wed 25 May to 18:48 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20123, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 }, "end": { "local": "1983-05-26T18:47:41+00:00", "utc": "1983-05-26T18:47:41Z", "ms": 422822860595.19293 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-25T18:28:10+00:00", "utc": "1983-05-25T18:28:10Z", "ms": 422735289961.7467 }, "end": { "local": "1983-05-26T18:47:41+00:00", "utc": "1983-05-26T18:47:41Z", "ms": 422822860595.19293 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-05-25", "window": { "start": { "local": "1983-05-25T12:04:47+00:00", "utc": "1983-05-25T12:04:47Z", "ms": 422712286564.00696 }, "end": { "local": "1983-05-25T12:52:47+00:00", "utc": "1983-05-25T12:52:47Z", "ms": 422715166564.00696 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-05-26", "window": { "start": { "local": "1983-05-26T12:04:52+00:00", "utc": "1983-05-26T12:04:52Z", "ms": 422798692436.62463 }, "end": { "local": "1983-05-26T12:52:52+00:00", "utc": "1983-05-26T12:52:52Z", "ms": 422801572436.62463 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:28 on Wed 25 May to 18:48 on Thu 26 May.", "fact": "1983-05-25T18:28:10Z → 1983-05-26T18:47:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 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 20123 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Bamako, 1983: Thursday 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": "1983-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-26", "confidence": "determinate" } ], "quote": "In Bamako, Sampat Gaurī Vrata 1983 falls on Thursday 26 May. Pūrṇimā runs from 18:28 on Wed 25 May to 18:48 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-05-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4839, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-05-29T22:48:54+00:00", "utc": "1983-05-29T22:48:54Z", "ms": 423096533854.10333 }, "end": { "local": "1983-05-31T01:00:28+00:00", "utc": "1983-05-31T01:00:28Z", "ms": 423190827766.83655 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-05-29T22:48:54+00:00", "utc": "1983-05-29T22:48:54Z", "ms": 423096533854.10333 }, "end": { "local": "1983-05-31T01:00:28+00:00", "utc": "1983-05-31T01:00:28Z", "ms": 423190827766.83655 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-05-29", "window": { "start": { "local": "1983-05-29T21:28:14+00:00", "utc": "1983-05-29T21:28:14Z", "ms": 423091694389.2148 }, "end": { "local": "1983-05-29T21:28:14+00:00", "utc": "1983-05-29T21:28:14Z", "ms": 423091694389.2148 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-05-30", "window": { "start": { "local": "1983-05-30T22:17:34+00:00", "utc": "1983-05-30T22:17:34Z", "ms": 423181053588.3289 }, "end": { "local": "1983-05-30T22:17:34+00:00", "utc": "1983-05-30T22:17:34Z", "ms": 423181053588.3289 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:49 on Sun 29 May to 01:00 on Tue 31 May.", "fact": "1983-05-29T22:48:54Z → 1983-05-31T01:00:28Z" }, { "step": "kaala", "text": "Moonrise is at 21:28 on the 29th and 22:18 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4839 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Monday 30 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": "1983-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-05-30", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Monday 30 May. Caturthī runs from 22:49 on Sun 29 May to 01:00 on Tue 31 May and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-06-07", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20412, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-06-06T11:53:56+00:00", "utc": "1983-06-06T11:53:56Z", "ms": 423748436137.4776 }, "end": { "local": "1983-06-07T11:45:46+00:00", "utc": "1983-06-07T11:45:46Z", "ms": 423834346463.79596 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-06T11:53:56+00:00", "utc": "1983-06-06T11:53:56Z", "ms": 423748436137.4776 }, "end": { "local": "1983-06-07T11:45:46+00:00", "utc": "1983-06-07T11:45:46Z", "ms": 423834346463.79596 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-06-06", "window": { "start": { "local": "1983-06-06T06:05:31+00:00", "utc": "1983-06-06T06:05:31Z", "ms": 423727530741.88837 }, "end": { "local": "1983-06-06T06:05:31+00:00", "utc": "1983-06-06T06:05:31Z", "ms": 423727530741.88837 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-06-07", "window": { "start": { "local": "1983-06-07T06:05:35+00:00", "utc": "1983-06-07T06:05:35Z", "ms": 423813934921.49603 }, "end": { "local": "1983-06-07T06:05:35+00:00", "utc": "1983-06-07T06:05:35Z", "ms": 423813934921.49603 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:54 on Mon 6 Jun to 11:46 on Tue 7 Jun.", "fact": "1983-06-06T11:53:56Z → 1983-06-07T11:45:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 6th and 06:06 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20412 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Bamako, 1983: Tuesday 7 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": "1983-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-07", "confidence": "determinate" } ], "quote": "In Bamako, Aparā Ekādaśī 1983 falls on Tuesday 7 June. Ekādaśī runs from 11:54 on Mon 6 Jun to 11:46 on Tue 7 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-06-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-06-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28949, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-06-08T10:53:28+00:00", "utc": "1983-06-08T10:53:28Z", "ms": 423917608192.5978 }, "end": { "local": "1983-06-09T09:20:34+00:00", "utc": "1983-06-09T09:20:34Z", "ms": 423998433725.9235 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-08T10:53:28+00:00", "utc": "1983-06-08T10:53:28Z", "ms": 423917608192.5978 }, "end": { "local": "1983-06-09T09:20:34+00:00", "utc": "1983-06-09T09:20:34Z", "ms": 423998433725.9235 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-06-08", "window": { "start": { "local": "1983-06-08T18:55:57+00:00", "utc": "1983-06-08T18:55:57Z", "ms": 423946557439.7281 }, "end": { "local": "1983-06-08T20:25:16+00:00", "utc": "1983-06-08T20:25:16Z", "ms": 423951915843.868 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1983-06-09", "window": { "start": { "local": "1983-06-09T18:56:15+00:00", "utc": "1983-06-09T18:56:15Z", "ms": 424032974753.0664 }, "end": { "local": "1983-06-09T20:25:32+00:00", "utc": "1983-06-09T20:25:32Z", "ms": 424038331692.96 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:53 on Wed 8 Jun to 09:21 on Thu 9 Jun.", "fact": "1983-06-08T10:53:28Z → 1983-06-09T09:20:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:25 on the 8th, 18:56–20:26 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 89 of 89 minutes on the 8th and 0 of 89 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 28949 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Wednesday 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": "1983-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-08", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Wednesday 8 June. Trayodaśī runs from 10:53 on Wed 8 Jun to 09:21 on Thu 9 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-06-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22667, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-06-09T09:20:34+00:00", "utc": "1983-06-09T09:20:34Z", "ms": 423998433725.9235 }, "end": { "local": "1983-06-10T07:12:50+00:00", "utc": "1983-06-10T07:12:50Z", "ms": 424077170175.9432 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-09T09:20:34+00:00", "utc": "1983-06-09T09:20:34Z", "ms": 423998433725.9235 }, "end": { "local": "1983-06-10T07:12:50+00:00", "utc": "1983-06-10T07:12:50Z", "ms": 424077170175.9432 } }, "kaala": "nishita", "days": [ { "local_date": "1983-06-08", "window": { "start": { "local": "1983-06-09T00:06:51+00:00", "utc": "1983-06-09T00:06:51Z", "ms": 423965211455.2526 }, "end": { "local": "1983-06-09T00:54:51+00:00", "utc": "1983-06-09T00:54:51Z", "ms": 423968091455.2526 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-06-09", "window": { "start": { "local": "1983-06-10T00:07:03+00:00", "utc": "1983-06-10T00:07:03Z", "ms": 424051623277.6674 }, "end": { "local": "1983-06-10T00:55:03+00:00", "utc": "1983-06-10T00:55:03Z", "ms": 424054503277.6674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:21 on Thu 9 Jun to 07:13 on Fri 10 Jun.", "fact": "1983-06-09T09:20:34Z → 1983-06-10T07:12:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 8th, 00:07–00:55 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 22667 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Thursday 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": "1983-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-09", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Thursday 9 June. Caturdaśī runs from 09:21 on Thu 9 Jun to 07:13 on Fri 10 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23476, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-06-12T22:36:25+00:00", "utc": "1983-06-12T22:36:25Z", "ms": 424305385008.64374 }, "end": { "local": "1983-06-13T19:27:04+00:00", "utc": "1983-06-13T19:27:04Z", "ms": 424380423900.0072 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-12T22:36:25+00:00", "utc": "1983-06-12T22:36:25Z", "ms": 424305385008.64374 }, "end": { "local": "1983-06-13T19:27:04+00:00", "utc": "1983-06-13T19:27:04Z", "ms": 424380423900.0072 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-06-12", "window": { "start": { "local": "1983-06-12T12:07:36+00:00", "utc": "1983-06-12T12:07:36Z", "ms": 424267655994.77466 }, "end": { "local": "1983-06-12T12:55:36+00:00", "utc": "1983-06-12T12:55:36Z", "ms": 424270535994.77466 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-06-13", "window": { "start": { "local": "1983-06-13T12:07:48+00:00", "utc": "1983-06-13T12:07:48Z", "ms": 424354068353.0491 }, "end": { "local": "1983-06-13T12:55:48+00:00", "utc": "1983-06-13T12:55:48Z", "ms": 424356948353.0491 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:36 on Sun 12 Jun to 19:27 on Mon 13 Jun.", "fact": "1983-06-12T22:36:25Z → 1983-06-13T19:27:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:08–12:56 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23476 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Bamako, 1983: Monday 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": "1983-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-13", "confidence": "determinate" } ], "quote": "In Bamako, Rambhā Tṛtīyā 1983 falls on Monday 13 June. Tṛtīyā runs from 22:36 on Sun 12 Jun to 19:27 on Mon 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-06-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12378, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-06-13T19:27:04+00:00", "utc": "1983-06-13T19:27:04Z", "ms": 424380423900.0072 }, "end": { "local": "1983-06-14T16:22:19+00:00", "utc": "1983-06-14T16:22:19Z", "ms": 424455739130.4157 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-13T19:27:04+00:00", "utc": "1983-06-13T19:27:04Z", "ms": 424380423900.0072 }, "end": { "local": "1983-06-14T16:22:19+00:00", "utc": "1983-06-14T16:22:19Z", "ms": 424455739130.4157 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-06-13", "window": { "start": { "local": "1983-06-13T12:07:48+00:00", "utc": "1983-06-13T12:07:48Z", "ms": 424354068353.0491 }, "end": { "local": "1983-06-13T12:55:48+00:00", "utc": "1983-06-13T12:55:48Z", "ms": 424356948353.0491 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-06-14", "window": { "start": { "local": "1983-06-14T12:08:01+00:00", "utc": "1983-06-14T12:08:01Z", "ms": 424440480863.7335 }, "end": { "local": "1983-06-14T12:56:01+00:00", "utc": "1983-06-14T12:56:01Z", "ms": 424443360863.7335 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:27 on Mon 13 Jun to 16:22 on Tue 14 Jun.", "fact": "1983-06-13T19:27:04Z → 1983-06-14T16:22:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 13th, 12:08–12:56 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 12378 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Tuesday 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": "1983-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-14", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Tuesday 14 June. Caturthī runs from 19:27 on Mon 13 Jun to 16:22 on Tue 14 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1983, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-06-15T13:29:16+00:00", "utc": "1983-06-15T13:29:16Z", "ms": 424531756126.87805 }, "end": { "local": "1983-06-16T10:54:07+00:00", "utc": "1983-06-16T10:54:07Z", "ms": 424608847170.43134 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-15T13:29:16+00:00", "utc": "1983-06-15T13:29:16Z", "ms": 424531756126.87805 }, "end": { "local": "1983-06-16T10:54:07+00:00", "utc": "1983-06-16T10:54:07Z", "ms": 424608847170.43134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-06-15", "window": { "start": { "local": "1983-06-15T12:08:13+00:00", "utc": "1983-06-15T12:08:13Z", "ms": 424526893499.73004 }, "end": { "local": "1983-06-15T12:56:13+00:00", "utc": "1983-06-15T12:56:13Z", "ms": 424529773499.73004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-06-16", "window": { "start": { "local": "1983-06-16T12:08:26+00:00", "utc": "1983-06-16T12:08:26Z", "ms": 424613306235.05585 }, "end": { "local": "1983-06-16T12:56:26+00:00", "utc": "1983-06-16T12:56:26Z", "ms": 424616186235.05585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:29 on Wed 15 Jun to 10:54 on Thu 16 Jun.", "fact": "1983-06-15T13:29:16Z → 1983-06-16T10:54:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 15th, 12:08–12:56 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 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1983 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Bamako, 1983: Thursday 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": "1983-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-15", "confidence": "determinate" } ], "quote": "In Bamako, Araṇya Gaurī Vrata 1983 falls on Thursday 16 June. Ṣaṣṭhī runs from 13:29 on Wed 15 Jun to 10:54 on Thu 16 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1983, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-06-15T13:29:16+00:00", "utc": "1983-06-15T13:29:16Z", "ms": 424531756126.87805 }, "end": { "local": "1983-06-16T10:54:07+00:00", "utc": "1983-06-16T10:54:07Z", "ms": 424608847170.43134 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-15T13:29:16+00:00", "utc": "1983-06-15T13:29:16Z", "ms": 424531756126.87805 }, "end": { "local": "1983-06-16T10:54:07+00:00", "utc": "1983-06-16T10:54:07Z", "ms": 424608847170.43134 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-06-15", "window": { "start": { "local": "1983-06-15T12:08:13+00:00", "utc": "1983-06-15T12:08:13Z", "ms": 424526893499.73004 }, "end": { "local": "1983-06-15T12:56:13+00:00", "utc": "1983-06-15T12:56:13Z", "ms": 424529773499.73004 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-06-16", "window": { "start": { "local": "1983-06-16T12:08:26+00:00", "utc": "1983-06-16T12:08:26Z", "ms": 424613306235.05585 }, "end": { "local": "1983-06-16T12:56:26+00:00", "utc": "1983-06-16T12:56:26Z", "ms": 424616186235.05585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:29 on Wed 15 Jun to 10:54 on Thu 16 Jun.", "fact": "1983-06-15T13:29:16Z → 1983-06-16T10:54:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 15th, 12:08–12:56 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 0 of 48 on the 16th.", "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 1983 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Bamako, 1983: Thursday 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": "1983-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-15", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1983 falls on Thursday 16 June. Ṣaṣṭhī runs from 13:29 on Wed 15 Jun to 10:54 on Thu 16 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-06-20", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4282, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-06-20T04:56:07+00:00", "utc": "1983-06-20T04:56:07Z", "ms": 424932966741.8682 }, "end": { "local": "1983-06-21T04:42:10+00:00", "utc": "1983-06-21T04:42:10Z", "ms": 425018529781.9083 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-20T04:56:07+00:00", "utc": "1983-06-20T04:56:07Z", "ms": 424932966741.8682 }, "end": { "local": "1983-06-21T04:42:10+00:00", "utc": "1983-06-21T04:42:10Z", "ms": 425018529781.9083 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-06-20", "window": { "start": { "local": "1983-06-20T06:07:28+00:00", "utc": "1983-06-20T06:07:28Z", "ms": 424937248338.21893 }, "end": { "local": "1983-06-20T06:07:28+00:00", "utc": "1983-06-20T06:07:28Z", "ms": 424937248338.21893 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-06-21", "window": { "start": { "local": "1983-06-21T06:07:41+00:00", "utc": "1983-06-21T06:07:41Z", "ms": 425023660803.2587 }, "end": { "local": "1983-06-21T06:07:41+00:00", "utc": "1983-06-21T06:07:41Z", "ms": 425023660803.2587 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:56 on Mon 20 Jun to 04:42 on Tue 21 Jun.", "fact": "1983-06-20T04:56:07Z → 1983-06-21T04:42:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 20th and 06:08 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4282 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Bamako, 1983: Monday 20 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": "1983-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-20", "confidence": "determinate" } ], "quote": "In Bamako, Nirjalā Ekādaśī 1983 falls on Monday 20 June. Ekādaśī runs from 04:56 on Mon 20 Jun to 04:42 on Tue 21 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25876, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-06-21T04:42:10+00:00", "utc": "1983-06-21T04:42:10Z", "ms": 425018529781.9083 }, "end": { "local": "1983-06-22T04:58:28+00:00", "utc": "1983-06-22T04:58:28Z", "ms": 425105907771.4103 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-21T04:42:10+00:00", "utc": "1983-06-21T04:42:10Z", "ms": 425018529781.9083 }, "end": { "local": "1983-06-22T04:58:28+00:00", "utc": "1983-06-22T04:58:28Z", "ms": 425105907771.4103 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-06-21", "window": { "start": { "local": "1983-06-21T12:09:31+00:00", "utc": "1983-06-21T12:09:31Z", "ms": 425045370575.3846 }, "end": { "local": "1983-06-21T12:57:31+00:00", "utc": "1983-06-21T12:57:31Z", "ms": 425048250575.3846 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-06-22", "window": { "start": { "local": "1983-06-22T12:09:43+00:00", "utc": "1983-06-22T12:09:43Z", "ms": 425131783423.7279 }, "end": { "local": "1983-06-22T12:57:43+00:00", "utc": "1983-06-22T12:57:43Z", "ms": 425134663423.7279 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:42 on Tue 21 Jun to 04:58 on Wed 22 Jun.", "fact": "1983-06-21T04:42:10Z → 1983-06-22T04:58:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 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 25876 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Bamako, 1983: Tuesday 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": "1983-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-21", "confidence": "determinate" } ], "quote": "In Bamako, Śrī Rāma Dvādaśī 1983 falls on Tuesday 21 June. Dvādaśī runs from 04:42 on Tue 21 Jun to 04:58 on Wed 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-06-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30599, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-06-22T04:58:28+00:00", "utc": "1983-06-22T04:58:28Z", "ms": 425105907771.4103 }, "end": { "local": "1983-06-23T05:43:35+00:00", "utc": "1983-06-23T05:43:35Z", "ms": 425195015071.92633 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-22T04:58:28+00:00", "utc": "1983-06-22T04:58:28Z", "ms": 425105907771.4103 }, "end": { "local": "1983-06-23T05:43:35+00:00", "utc": "1983-06-23T05:43:35Z", "ms": 425195015071.92633 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-06-21", "window": { "start": { "local": "1983-06-21T18:59:20+00:00", "utc": "1983-06-21T18:59:20Z", "ms": 425069960347.51044 }, "end": { "local": "1983-06-21T20:28:29+00:00", "utc": "1983-06-21T20:28:29Z", "ms": 425075308793.5605 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1983-06-22", "window": { "start": { "local": "1983-06-22T18:59:33+00:00", "utc": "1983-06-22T18:59:33Z", "ms": 425156373154.5698 }, "end": { "local": "1983-06-22T20:28:42+00:00", "utc": "1983-06-22T20:28:42Z", "ms": 425161721665.4723 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:58 on Wed 22 Jun to 05:44 on Thu 23 Jun.", "fact": "1983-06-22T04:58:28Z → 1983-06-23T05:43:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:28 on the 21st, 19:00–20:29 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 89 minutes on the 21st and 89 of 89 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 30599 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Wednesday 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": "1983-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-22", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Wednesday 22 June. Trayodaśī runs from 04:58 on Wed 22 Jun to 05:44 on Thu 23 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-06-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37598, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-06-24T06:55:32+00:00", "utc": "1983-06-24T06:55:32Z", "ms": 425285732453.5276 }, "end": { "local": "1983-06-25T08:31:46+00:00", "utc": "1983-06-25T08:31:46Z", "ms": 425377906049.19684 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-24T06:55:32+00:00", "utc": "1983-06-24T06:55:32Z", "ms": 425285732453.5276 }, "end": { "local": "1983-06-25T08:31:46+00:00", "utc": "1983-06-25T08:31:46Z", "ms": 425377906049.19684 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-06-23", "window": { "start": { "local": "1983-06-23T18:59:45+00:00", "utc": "1983-06-23T18:59:45Z", "ms": 425242785448.5051 }, "end": { "local": "1983-06-23T20:28:54+00:00", "utc": "1983-06-23T20:28:54Z", "ms": 425248134143.74695 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1983-06-24", "window": { "start": { "local": "1983-06-24T18:59:57+00:00", "utc": "1983-06-24T18:59:57Z", "ms": 425329197210.20557 }, "end": { "local": "1983-06-24T20:29:06+00:00", "utc": "1983-06-24T20:29:06Z", "ms": 425334546209.03564 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 06:56 on Fri 24 Jun to 08:32 on Sat 25 Jun.", "fact": "1983-06-24T06:55:32Z → 1983-06-25T08:31:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:29 on the 23rd, 19:00–20:29 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 89 minutes on the 23rd and 89 of 89 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 37598 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Bamako, 1983: Friday 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": "1983-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-24", "confidence": "determinate" } ], "quote": "In Bamako, Vaṭa Sāvitrī Vrata 1983 falls on Friday 24 June. Pūrṇimā runs from 06:56 on Fri 24 Jun to 08:32 on Sat 25 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-06-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17521, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-06-28T15:06:45+00:00", "utc": "1983-06-28T15:06:45Z", "ms": 425660805055.1577 }, "end": { "local": "1983-06-29T17:33:51+00:00", "utc": "1983-06-29T17:33:51Z", "ms": 425756030962.79614 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-06-28T15:06:45+00:00", "utc": "1983-06-28T15:06:45Z", "ms": 425660805055.1577 }, "end": { "local": "1983-06-29T17:33:51+00:00", "utc": "1983-06-29T17:33:51Z", "ms": 425756030962.79614 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-06-28", "window": { "start": { "local": "1983-06-28T21:44:07+00:00", "utc": "1983-06-28T21:44:07Z", "ms": 425684646688.5127 }, "end": { "local": "1983-06-28T21:44:07+00:00", "utc": "1983-06-28T21:44:07Z", "ms": 425684646688.5127 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-06-29", "window": { "start": { "local": "1983-06-29T22:25:52+00:00", "utc": "1983-06-29T22:25:52Z", "ms": 425773551596.06525 }, "end": { "local": "1983-06-29T22:25:52+00:00", "utc": "1983-06-29T22:25:52Z", "ms": 425773551596.06525 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:07 on Tue 28 Jun to 17:34 on Wed 29 Jun.", "fact": "1983-06-28T15:06:45Z → 1983-06-29T17:33:51Z" }, { "step": "kaala", "text": "Moonrise is at 21:44 on the 28th and 22:26 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17521 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Tuesday 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": "1983-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-06-28", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Tuesday 28 June. Caturthī runs from 15:07 on Tue 28 Jun to 17:34 on Wed 29 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-07-06", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20476, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-07-06T00:30:10+00:00", "utc": "1983-07-06T00:30:10Z", "ms": 426299410275.1524 }, "end": { "local": "1983-07-06T23:17:22+00:00", "utc": "1983-07-06T23:17:22Z", "ms": 426381441615.6186 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-06T00:30:10+00:00", "utc": "1983-07-06T00:30:10Z", "ms": 426299410275.1524 }, "end": { "local": "1983-07-06T23:17:22+00:00", "utc": "1983-07-06T23:17:22Z", "ms": 426381441615.6186 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-07-06", "window": { "start": { "local": "1983-07-06T06:11:26+00:00", "utc": "1983-07-06T06:11:26Z", "ms": 426319885818.7691 }, "end": { "local": "1983-07-06T06:11:26+00:00", "utc": "1983-07-06T06:11:26Z", "ms": 426319885818.7691 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-07-07", "window": { "start": { "local": "1983-07-07T06:11:42+00:00", "utc": "1983-07-07T06:11:42Z", "ms": 426406302481.8034 }, "end": { "local": "1983-07-07T06:11:42+00:00", "utc": "1983-07-07T06:11:42Z", "ms": 426406302481.8034 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:30 on Wed 6 Jul to 23:17 on Wed 6 Jul.", "fact": "1983-07-06T00:30:10Z → 1983-07-06T23:17:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 6th and 06:12 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 20476 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Bamako, 1983: Wednesday 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": "1983-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-06", "confidence": "determinate" } ], "quote": "In Bamako, Yoginī Ekādaśī 1983 falls on Wednesday 6 July. Ekādaśī runs from 00:30 on Wed 6 Jul to 23:17 on Wed 6 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-07-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 824, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-07-07T21:21:26+00:00", "utc": "1983-07-07T21:21:26Z", "ms": 426460885882.00507 }, "end": { "local": "1983-07-08T18:47:51+00:00", "utc": "1983-07-08T18:47:51Z", "ms": 426538071039.1298 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-07T21:21:26+00:00", "utc": "1983-07-07T21:21:26Z", "ms": 426460885882.00507 }, "end": { "local": "1983-07-08T18:47:51+00:00", "utc": "1983-07-08T18:47:51Z", "ms": 426538071039.1298 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-07-07", "window": { "start": { "local": "1983-07-07T19:01:33+00:00", "utc": "1983-07-07T19:01:33Z", "ms": 426452492524.21216 }, "end": { "local": "1983-07-07T20:30:56+00:00", "utc": "1983-07-07T20:30:56Z", "ms": 426457856082.09906 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1983-07-08", "window": { "start": { "local": "1983-07-08T19:01:35+00:00", "utc": "1983-07-08T19:01:35Z", "ms": 426538894983.88293 }, "end": { "local": "1983-07-08T20:31:00+00:00", "utc": "1983-07-08T20:31:00Z", "ms": 426544260448.8587 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:21 on Thu 7 Jul to 18:48 on Fri 8 Jul.", "fact": "1983-07-07T21:21:26Z → 1983-07-08T18:47:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:31 on the 7th, 19:02–20:31 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 89 minutes on the 7th and 0 of 89 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 824 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Thursday 7 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-07-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-07", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Thursday 7 July. Trayodaśī runs from 21:21 on Thu 7 Jul to 18:48 on Fri 8 Jul, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-07-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19504, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-07-08T18:47:51+00:00", "utc": "1983-07-08T18:47:51Z", "ms": 426538071039.1298 }, "end": { "local": "1983-07-09T15:43:59+00:00", "utc": "1983-07-09T15:43:59Z", "ms": 426613438825.506 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-08T18:47:51+00:00", "utc": "1983-07-08T18:47:51Z", "ms": 426538071039.1298 }, "end": { "local": "1983-07-09T15:43:59+00:00", "utc": "1983-07-09T15:43:59Z", "ms": 426613438825.506 } }, "kaala": "nishita", "days": [ { "local_date": "1983-07-08", "window": { "start": { "local": "1983-07-09T00:12:55+00:00", "utc": "1983-07-09T00:12:55Z", "ms": 426557575477.542 }, "end": { "local": "1983-07-09T01:00:55+00:00", "utc": "1983-07-09T01:00:55Z", "ms": 426560455477.542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-07-09", "window": { "start": { "local": "1983-07-10T00:13:05+00:00", "utc": "1983-07-10T00:13:05Z", "ms": 426643984697.225 }, "end": { "local": "1983-07-10T01:01:05+00:00", "utc": "1983-07-10T01:01:05Z", "ms": 426646864697.225 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:48 on Fri 8 Jul to 15:44 on Sat 9 Jul.", "fact": "1983-07-08T18:47:51Z → 1983-07-09T15:43:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 8th, 00:13–01:01 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 19504 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Friday 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": "1983-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-08", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Friday 8 July. Caturdaśī runs from 18:48 on Fri 8 Jul to 15:44 on Sat 9 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12746, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1983-07-11T08:40:47+00:00", "utc": "1983-07-11T08:40:47Z", "ms": 426760847328.4632 }, "end": { "local": "1983-07-12T05:00:43+00:00", "utc": "1983-07-12T05:00:43Z", "ms": 426834043127.4068 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-11T08:40:47+00:00", "utc": "1983-07-11T08:40:47Z", "ms": 426760847328.4632 }, "end": { "local": "1983-07-12T05:00:43+00:00", "utc": "1983-07-12T05:00:43Z", "ms": 426834043127.4068 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-07-11", "window": { "start": { "local": "1983-07-11T12:13:14+00:00", "utc": "1983-07-11T12:13:14Z", "ms": 426773593518.478 }, "end": { "local": "1983-07-11T13:01:14+00:00", "utc": "1983-07-11T13:01:14Z", "ms": 426776473518.478 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-07-12", "window": { "start": { "local": "1983-07-12T12:13:21+00:00", "utc": "1983-07-12T12:13:21Z", "ms": 426860001463.7479 }, "end": { "local": "1983-07-12T13:01:21+00:00", "utc": "1983-07-12T13:01:21Z", "ms": 426862881463.7479 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 08:41 on Mon 11 Jul to 05:01 on Tue 12 Jul.", "fact": "1983-07-11T08:40:47Z → 1983-07-12T05:00:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 11th, 12:13–13:01 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 12746 s" }, { "step": "ruling", "text": "Rathayātrā, Bamako, 1983: Monday 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": "1983-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-11", "confidence": "determinate" } ], "quote": "In Bamako, Rathayātrā 1983 falls on Monday 11 July. Dvitīyā runs from 08:41 on Mon 11 Jul to 05:01 on Tue 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-07-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33045, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-07-13T01:28:04+00:00", "utc": "1983-07-13T01:28:04Z", "ms": 426907683911.3018 }, "end": { "local": "1983-07-13T22:12:14+00:00", "utc": "1983-07-13T22:12:14Z", "ms": 426982334262.96027 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-13T01:28:04+00:00", "utc": "1983-07-13T01:28:04Z", "ms": 426907683911.3018 }, "end": { "local": "1983-07-13T22:12:14+00:00", "utc": "1983-07-13T22:12:14Z", "ms": 426982334262.96027 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-07-12", "window": { "start": { "local": "1983-07-12T12:13:21+00:00", "utc": "1983-07-12T12:13:21Z", "ms": 426860001463.7479 }, "end": { "local": "1983-07-12T13:01:21+00:00", "utc": "1983-07-12T13:01:21Z", "ms": 426862881463.7479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-07-13", "window": { "start": { "local": "1983-07-13T12:13:29+00:00", "utc": "1983-07-13T12:13:29Z", "ms": 426946408941.4409 }, "end": { "local": "1983-07-13T13:01:29+00:00", "utc": "1983-07-13T13:01:29Z", "ms": 426949288941.4409 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:28 on Wed 13 Jul to 22:12 on Wed 13 Jul.", "fact": "1983-07-13T01:28:04Z → 1983-07-13T22:12:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 12th, 12:13–13:01 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33045 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Wednesday 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": "1983-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-13", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Wednesday 13 July. Caturthī runs from 01:28 on Wed 13 Jul to 22:12 on Wed 13 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22814, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-07-13T22:12:14+00:00", "utc": "1983-07-13T22:12:14Z", "ms": 426982334262.96027 }, "end": { "local": "1983-07-14T19:21:50+00:00", "utc": "1983-07-14T19:21:50Z", "ms": 427058510242.0805 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-13T22:12:14+00:00", "utc": "1983-07-13T22:12:14Z", "ms": 426982334262.96027 }, "end": { "local": "1983-07-14T19:21:50+00:00", "utc": "1983-07-14T19:21:50Z", "ms": 427058510242.0805 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-07-13", "window": { "start": { "local": "1983-07-13T12:13:29+00:00", "utc": "1983-07-13T12:13:29Z", "ms": 426946408941.4409 }, "end": { "local": "1983-07-13T13:01:29+00:00", "utc": "1983-07-13T13:01:29Z", "ms": 426949288941.4409 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-07-14", "window": { "start": { "local": "1983-07-14T12:13:36+00:00", "utc": "1983-07-14T12:13:36Z", "ms": 427032815932.178 }, "end": { "local": "1983-07-14T13:01:36+00:00", "utc": "1983-07-14T13:01:36Z", "ms": 427035695932.178 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:12 on Wed 13 Jul to 19:22 on Thu 14 Jul.", "fact": "1983-07-13T22:12:14Z → 1983-07-14T19:21:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 13th, 12:14–13:02 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22814 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Bamako, 1983: Thursday 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": "1983-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-14", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Pañcamī 1983 falls on Thursday 14 July. Pañcamī runs from 22:12 on Wed 13 Jul to 19:22 on Thu 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8575, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-07-15T17:04:10+00:00", "utc": "1983-07-15T17:04:10Z", "ms": 427136650255.9022 }, "end": { "local": "1983-07-16T15:24:44+00:00", "utc": "1983-07-16T15:24:44Z", "ms": 427217083600.2913 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-15T17:04:10+00:00", "utc": "1983-07-15T17:04:10Z", "ms": 427136650255.9022 }, "end": { "local": "1983-07-16T15:24:44+00:00", "utc": "1983-07-16T15:24:44Z", "ms": 427217083600.2913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-07-15", "window": { "start": { "local": "1983-07-15T12:13:42+00:00", "utc": "1983-07-15T12:13:42Z", "ms": 427119222418.8279 }, "end": { "local": "1983-07-15T13:01:42+00:00", "utc": "1983-07-15T13:01:42Z", "ms": 427122102418.8279 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-07-16", "window": { "start": { "local": "1983-07-16T12:13:48+00:00", "utc": "1983-07-16T12:13:48Z", "ms": 427205628386.5154 }, "end": { "local": "1983-07-16T13:01:48+00:00", "utc": "1983-07-16T13:01:48Z", "ms": 427208508386.5154 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:04 on Fri 15 Jul to 15:25 on Sat 16 Jul.", "fact": "1983-07-15T17:04:10Z → 1983-07-16T15:24:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 15th, 12:14–13:02 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 8575 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Bamako, 1983: Saturday 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": "1983-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-16", "confidence": "determinate" } ], "quote": "In Bamako, Vivasvat Saptamī 1983 falls on Saturday 16 July. Saptamī runs from 17:04 on Fri 15 Jul to 15:25 on Sat 16 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-07-20", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29973, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-07-19T14:34:33+00:00", "utc": "1983-07-19T14:34:33Z", "ms": 427473272709.6069 }, "end": { "local": "1983-07-20T15:34:08+00:00", "utc": "1983-07-20T15:34:08Z", "ms": 427563247517.7855 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-19T14:34:33+00:00", "utc": "1983-07-19T14:34:33Z", "ms": 427473272709.6069 }, "end": { "local": "1983-07-20T15:34:08+00:00", "utc": "1983-07-20T15:34:08Z", "ms": 427563247517.7855 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-07-19", "window": { "start": { "local": "1983-07-19T06:15:00+00:00", "utc": "1983-07-19T06:15:00Z", "ms": 427443299653.9926 }, "end": { "local": "1983-07-19T06:15:00+00:00", "utc": "1983-07-19T06:15:00Z", "ms": 427443299653.9926 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-07-20", "window": { "start": { "local": "1983-07-20T06:15:15+00:00", "utc": "1983-07-20T06:15:15Z", "ms": 427529715128.2271 }, "end": { "local": "1983-07-20T06:15:15+00:00", "utc": "1983-07-20T06:15:15Z", "ms": 427529715128.2271 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:35 on Tue 19 Jul to 15:34 on Wed 20 Jul.", "fact": "1983-07-19T14:34:33Z → 1983-07-20T15:34:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 19th and 06:15 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 29973 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Bamako, 1983: Wednesday 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": "1983-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-20", "confidence": "determinate" } ], "quote": "In Bamako, Hariśayanī Ekādaśī 1983 falls on Wednesday 20 July. Ekādaśī runs from 14:35 on Tue 19 Jul to 15:34 on Wed 20 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-07-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 254, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-07-21T17:03:35+00:00", "utc": "1983-07-21T17:03:35Z", "ms": 427655014989.45306 }, "end": { "local": "1983-07-22T18:56:26+00:00", "utc": "1983-07-22T18:56:26Z", "ms": 427748185572.82837 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-21T17:03:35+00:00", "utc": "1983-07-21T17:03:35Z", "ms": 427655014989.45306 }, "end": { "local": "1983-07-22T18:56:26+00:00", "utc": "1983-07-22T18:56:26Z", "ms": 427748185572.82837 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-07-21", "window": { "start": { "local": "1983-07-21T19:00:50+00:00", "utc": "1983-07-21T19:00:50Z", "ms": 427662049731.6032 }, "end": { "local": "1983-07-21T20:30:49+00:00", "utc": "1983-07-21T20:30:49Z", "ms": 427667449149.7353 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1983-07-22", "window": { "start": { "local": "1983-07-22T19:00:40+00:00", "utc": "1983-07-22T19:00:40Z", "ms": 427748440016.3295 }, "end": { "local": "1983-07-22T20:30:43+00:00", "utc": "1983-07-22T20:30:43Z", "ms": 427753842695.19116 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:04 on Thu 21 Jul to 18:56 on Fri 22 Jul.", "fact": "1983-07-21T17:03:35Z → 1983-07-22T18:56:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:31 on the 21st, 19:01–20:31 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 90 of 90 minutes on the 21st and 0 of 90 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 254 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Thursday 21 July.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-07-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-21", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Thursday 21 July. Trayodaśī runs from 17:04 on Thu 21 Jul to 18:56 on Fri 22 Jul and covers all of pradoṣa that evening. It is 4 min 14 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24577, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 } }, "kaala": "udaya-3", "days": [ { "local_date": "1983-07-24", "window": { "start": { "local": "1983-07-24T06:16:15+00:00", "utc": "1983-07-24T06:16:15Z", "ms": 427875374580.0312 }, "end": { "local": "1983-07-24T08:49:03+00:00", "utc": "1983-07-24T08:49:03Z", "ms": 427884543243.06006 } }, "covered_min": 153, "window_min": 153, "qualifies": true }, { "local_date": "1983-07-25", "window": { "start": { "local": "1983-07-25T06:16:29+00:00", "utc": "1983-07-25T06:16:29Z", "ms": 427961788774.2258 }, "end": { "local": "1983-07-25T08:49:12+00:00", "utc": "1983-07-25T08:49:12Z", "ms": 427970952118.748 } }, "covered_min": 0, "window_min": 153, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul.", "fact": "1983-07-23T21:06:12Z → 1983-07-24T23:26:52Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:16–08:49 on the 24th, 06:16–08:49 on the 25th.", "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 153 of 153 minutes on the 24th and 0 of 153 on the 25th.", "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 24577 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Bamako, 1983: Sunday 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": "1983-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-24", "confidence": "determinate" } ], "quote": "In Bamako, Vyāsa Pūjā 1983 falls on Sunday 24 July. Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29037, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-07-23", "window": { "start": { "local": "1983-07-23T12:14:15+00:00", "utc": "1983-07-23T12:14:15Z", "ms": 427810454755.427 }, "end": { "local": "1983-07-23T13:02:15+00:00", "utc": "1983-07-23T13:02:15Z", "ms": 427813334755.427 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-07-24", "window": { "start": { "local": "1983-07-24T12:14:16+00:00", "utc": "1983-07-24T12:14:16Z", "ms": 427896856237.60333 }, "end": { "local": "1983-07-24T13:02:16+00:00", "utc": "1983-07-24T13:02:16Z", "ms": 427899736237.60333 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul.", "fact": "1983-07-23T21:06:12Z → 1983-07-24T23:26:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 23rd, 12:14–13:02 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29037 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Bamako, 1983: Sunday 24 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": "1983-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-24", "confidence": "determinate" } ], "quote": "In Bamako, Guru Pūrṇimā 1983 falls on Sunday 24 July. Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7542, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 } }, "kaala": "sayahna", "days": [ { "local_date": "1983-07-23", "window": { "start": { "local": "1983-07-23T16:27:36+00:00", "utc": "1983-07-23T16:27:36Z", "ms": 427825655544.0081 }, "end": { "local": "1983-07-23T19:00:29+00:00", "utc": "1983-07-23T19:00:29Z", "ms": 427834829403.06213 } }, "covered_min": 0, "window_min": 153, "qualifies": false }, { "local_date": "1983-07-24", "window": { "start": { "local": "1983-07-24T16:27:29+00:00", "utc": "1983-07-24T16:27:29Z", "ms": 427912049232.1466 }, "end": { "local": "1983-07-24T19:00:18+00:00", "utc": "1983-07-24T19:00:18Z", "ms": 427921217895.1755 } }, "covered_min": 153, "window_min": 153, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul.", "fact": "1983-07-23T21:06:12Z → 1983-07-24T23:26:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:28–19:00 on the 23rd, 16:27–19:00 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 0 of 153 minutes on the 23rd and 153 of 153 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 7542 s" }, { "step": "ruling", "text": "Kokilā Vrata, Bamako, 1983: Sunday 24 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": "1983-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-24", "confidence": "determinate" } ], "quote": "In Bamako, Kokilā Vrata 1983 falls on Sunday 24 July. Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2136, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1983-07-23T21:06:12+00:00", "utc": "1983-07-23T21:06:12Z", "ms": 427842371618.45123 }, "end": { "local": "1983-07-24T23:26:52+00:00", "utc": "1983-07-24T23:26:52Z", "ms": 427937211697.1647 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-07-23", "window": { "start": { "local": "1983-07-23T19:00:29+00:00", "utc": "1983-07-23T19:00:29Z", "ms": 427834829403.06213 }, "end": { "local": "1983-07-23T20:30:35+00:00", "utc": "1983-07-23T20:30:35Z", "ms": 427840235426.658 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1983-07-24", "window": { "start": { "local": "1983-07-24T19:00:18+00:00", "utc": "1983-07-24T19:00:18Z", "ms": 427921217895.1755 }, "end": { "local": "1983-07-24T20:30:27+00:00", "utc": "1983-07-24T20:30:27Z", "ms": 427926627345.7155 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul.", "fact": "1983-07-23T21:06:12Z → 1983-07-24T23:26:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:31 on the 23rd, 19:00–20:30 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 90 minutes on the 23rd and 90 of 90 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 2136 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Bamako, 1983: Sunday 24 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": "1983-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-24", "confidence": "boundary" } ], "quote": "In Bamako, Śiva Śayanotsava 1983 falls on Sunday 24 July. Pūrṇimā runs from 21:06 on Sat 23 Jul to 23:27 on Sun 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22270, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1983-07-26T01:52:51+00:00", "utc": "1983-07-26T01:52:51Z", "ms": 428032371447.7065 }, "end": { "local": "1983-07-27T04:18:45+00:00", "utc": "1983-07-27T04:18:45Z", "ms": 428127525149.3071 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-07-26T01:52:51+00:00", "utc": "1983-07-26T01:52:51Z", "ms": 428032371447.7065 }, "end": { "local": "1983-07-27T04:18:45+00:00", "utc": "1983-07-27T04:18:45Z", "ms": 428127525149.3071 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-07-25", "window": { "start": { "local": "1983-07-25T19:41:42+00:00", "utc": "1983-07-25T19:41:42Z", "ms": 428010101745.728 }, "end": { "local": "1983-07-25T19:41:42+00:00", "utc": "1983-07-25T19:41:42Z", "ms": 428010101745.728 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-07-26", "window": { "start": { "local": "1983-07-26T20:24:20+00:00", "utc": "1983-07-26T20:24:20Z", "ms": 428099060448.35583 }, "end": { "local": "1983-07-26T20:24:20+00:00", "utc": "1983-07-26T20:24:20Z", "ms": 428099060448.35583 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:53 on Tue 26 Jul to 04:19 on Wed 27 Jul.", "fact": "1983-07-26T01:52:51Z → 1983-07-27T04:18:45Z" }, { "step": "kaala", "text": "Moonrise is at 19:42 on the 25th and 20:24 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22270 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Bamako, 1983: Tuesday 26 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": "1983-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-26", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata (Āṣāḍha) 1983 falls on Tuesday 26 July. Dvitīyā runs from 01:53 on Tue 26 Jul to 04:19 on Wed 27 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-07-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34464, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-07-28T06:38:49+00:00", "utc": "1983-07-28T06:38:49Z", "ms": 428222328621.0902 }, "end": { "local": "1983-07-29T08:46:37+00:00", "utc": "1983-07-29T08:46:37Z", "ms": 428316397020.4681 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-07-28T06:38:49+00:00", "utc": "1983-07-28T06:38:49Z", "ms": 428222328621.0902 }, "end": { "local": "1983-07-29T08:46:37+00:00", "utc": "1983-07-29T08:46:37Z", "ms": 428316397020.4681 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-07-27", "window": { "start": { "local": "1983-07-27T21:04:25+00:00", "utc": "1983-07-27T21:04:25Z", "ms": 428187864681.4642 }, "end": { "local": "1983-07-27T21:04:25+00:00", "utc": "1983-07-27T21:04:25Z", "ms": 428187864681.4642 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-07-28", "window": { "start": { "local": "1983-07-28T21:42:32+00:00", "utc": "1983-07-28T21:42:32Z", "ms": 428276552130.5398 }, "end": { "local": "1983-07-28T21:42:32+00:00", "utc": "1983-07-28T21:42:32Z", "ms": 428276552130.5398 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:39 on Thu 28 Jul to 08:47 on Fri 29 Jul.", "fact": "1983-07-28T06:38:49Z → 1983-07-29T08:46:37Z" }, { "step": "kaala", "text": "Moonrise is at 21:04 on the 27th and 21:43 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 34464 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Thursday 28 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": "1983-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-07-28", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Thursday 28 July. Caturthī runs from 06:39 on Thu 28 Jul to 08:47 on Fri 29 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-08-05", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8834, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-08-04T10:51:12+00:00", "utc": "1983-08-04T10:51:12Z", "ms": 428842272372.7695 }, "end": { "local": "1983-08-05T08:45:58+00:00", "utc": "1983-08-05T08:45:58Z", "ms": 428921157865.9705 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-04T10:51:12+00:00", "utc": "1983-08-04T10:51:12Z", "ms": 428842272372.7695 }, "end": { "local": "1983-08-05T08:45:58+00:00", "utc": "1983-08-05T08:45:58Z", "ms": 428921157865.9705 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-08-04", "window": { "start": { "local": "1983-08-04T06:18:34+00:00", "utc": "1983-08-04T06:18:34Z", "ms": 428825913704.7294 }, "end": { "local": "1983-08-04T06:18:34+00:00", "utc": "1983-08-04T06:18:34Z", "ms": 428825913704.7294 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-08-05", "window": { "start": { "local": "1983-08-05T06:18:44+00:00", "utc": "1983-08-05T06:18:44Z", "ms": 428912324358.0653 }, "end": { "local": "1983-08-05T06:18:44+00:00", "utc": "1983-08-05T06:18:44Z", "ms": 428912324358.0653 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:51 on Thu 4 Aug to 08:46 on Fri 5 Aug.", "fact": "1983-08-04T10:51:12Z → 1983-08-05T08:45:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 4th and 06:19 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8834 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Bamako, 1983: Friday 5 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": "1983-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-05", "confidence": "determinate" } ], "quote": "In Bamako, Kāmikā Ekādaśī 1983 falls on Friday 5 August. Ekādaśī runs from 10:51 on Thu 4 Aug to 08:46 on Fri 5 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-08-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22771, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-08-06T06:02:15+00:00", "utc": "1983-08-06T06:02:15Z", "ms": 428997735472.06757 }, "end": { "local": "1983-08-07T02:47:01+00:00", "utc": "1983-08-07T02:47:01Z", "ms": 429072421232.3346 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-06T06:02:15+00:00", "utc": "1983-08-06T06:02:15Z", "ms": 428997735472.06757 }, "end": { "local": "1983-08-07T02:47:01+00:00", "utc": "1983-08-07T02:47:01Z", "ms": 429072421232.3346 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-08-05", "window": { "start": { "local": "1983-08-05T18:56:52+00:00", "utc": "1983-08-05T18:56:52Z", "ms": 428957812121.3385 }, "end": { "local": "1983-08-05T20:27:48+00:00", "utc": "1983-08-05T20:27:48Z", "ms": 428963268458.8985 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1983-08-06", "window": { "start": { "local": "1983-08-06T18:56:30+00:00", "utc": "1983-08-06T18:56:30Z", "ms": 429044189553.0039 }, "end": { "local": "1983-08-06T20:27:30+00:00", "utc": "1983-08-06T20:27:30Z", "ms": 429049650223.59454 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:02 on Sat 6 Aug to 02:47 on Sun 7 Aug.", "fact": "1983-08-06T06:02:15Z → 1983-08-07T02:47:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:28 on the 5th, 18:56–20:28 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 5th and 91 of 91 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 22771 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Saturday 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": "1983-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-06", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Saturday 6 August. Trayodaśī runs from 06:02 on Sat 6 Aug to 02:47 on Sun 7 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-08-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-06", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3884, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-08-07T02:47:01+00:00", "utc": "1983-08-07T02:47:01Z", "ms": 429072421232.3346 }, "end": { "local": "1983-08-07T23:08:56+00:00", "utc": "1983-08-07T23:08:56Z", "ms": 429145736210.2618 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-07T02:47:01+00:00", "utc": "1983-08-07T02:47:01Z", "ms": 429072421232.3346 }, "end": { "local": "1983-08-07T23:08:56+00:00", "utc": "1983-08-07T23:08:56Z", "ms": 429145736210.2618 } }, "kaala": "nishita", "days": [ { "local_date": "1983-08-06", "window": { "start": { "local": "1983-08-07T00:13:47+00:00", "utc": "1983-08-07T00:13:47Z", "ms": 429063227067.71875 }, "end": { "local": "1983-08-07T01:01:47+00:00", "utc": "1983-08-07T01:01:47Z", "ms": 429066107067.71875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-08-07", "window": { "start": { "local": "1983-08-08T00:13:40+00:00", "utc": "1983-08-08T00:13:40Z", "ms": 429149620161.64075 }, "end": { "local": "1983-08-08T01:01:40+00:00", "utc": "1983-08-08T01:01:40Z", "ms": 429152500161.64075 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:47 on Sun 7 Aug to 23:09 on Sun 7 Aug.", "fact": "1983-08-07T02:47:01Z → 1983-08-07T23:08:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 6th, 00:14–01:02 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 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3884 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Saturday 6 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-08-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-06", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1983 falls on Saturday 6 August. Caturdaśī runs from 02:47 on Sun 7 Aug to 23:09 on Sun 7 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1988, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-08-10T11:40:03+00:00", "utc": "1983-08-10T11:40:03Z", "ms": 429363603241.3513 }, "end": { "local": "1983-08-11T08:15:02+00:00", "utc": "1983-08-11T08:15:02Z", "ms": 429437702246.32336 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-10T11:40:03+00:00", "utc": "1983-08-10T11:40:03Z", "ms": 429363603241.3513 }, "end": { "local": "1983-08-11T08:15:02+00:00", "utc": "1983-08-11T08:15:02Z", "ms": 429437702246.32336 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-10", "window": { "start": { "local": "1983-08-10T12:13:12+00:00", "utc": "1983-08-10T12:13:12Z", "ms": 429365591720.1769 }, "end": { "local": "1983-08-10T13:01:12+00:00", "utc": "1983-08-10T13:01:12Z", "ms": 429368471720.1769 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-11", "window": { "start": { "local": "1983-08-11T12:13:03+00:00", "utc": "1983-08-11T12:13:03Z", "ms": 429451982663.74896 }, "end": { "local": "1983-08-11T13:01:03+00:00", "utc": "1983-08-11T13:01:03Z", "ms": 429454862663.74896 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:40 on Wed 10 Aug to 08:15 on Thu 11 Aug.", "fact": "1983-08-10T11:40:03Z → 1983-08-11T08:15:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 10th, 12:13–13:01 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1988 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Bamako, 1983: Wednesday 10 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": "1983-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-10", "confidence": "determinate" } ], "quote": "In Bamako, Madhusravā Tṛtīyā (Hariyali Teej) 1983 falls on Wednesday 10 August. Tṛtīyā runs from 11:40 on Wed 10 Aug to 08:15 on Thu 11 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-08-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14280, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-08-11T08:15:02+00:00", "utc": "1983-08-11T08:15:02Z", "ms": 429437702246.32336 }, "end": { "local": "1983-08-12T05:19:46+00:00", "utc": "1983-08-12T05:19:46Z", "ms": 429513585524.12585 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-11T08:15:02+00:00", "utc": "1983-08-11T08:15:02Z", "ms": 429437702246.32336 }, "end": { "local": "1983-08-12T05:19:46+00:00", "utc": "1983-08-12T05:19:46Z", "ms": 429513585524.12585 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-11", "window": { "start": { "local": "1983-08-11T12:13:03+00:00", "utc": "1983-08-11T12:13:03Z", "ms": 429451982663.74896 }, "end": { "local": "1983-08-11T13:01:03+00:00", "utc": "1983-08-11T13:01:03Z", "ms": 429454862663.74896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-12", "window": { "start": { "local": "1983-08-12T12:12:53+00:00", "utc": "1983-08-12T12:12:53Z", "ms": 429538373026.3574 }, "end": { "local": "1983-08-12T13:00:53+00:00", "utc": "1983-08-12T13:00:53Z", "ms": 429541253026.3574 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:15 on Thu 11 Aug to 05:20 on Fri 12 Aug.", "fact": "1983-08-11T08:15:02Z → 1983-08-12T05:19:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 11th, 12:13–13:01 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14280 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Thursday 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": "1983-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-11", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Thursday 11 August. Caturthī runs from 08:15 on Thu 11 Aug to 05:20 on Fri 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24788, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-08-12T05:19:46+00:00", "utc": "1983-08-12T05:19:46Z", "ms": 429513585524.12585 }, "end": { "local": "1983-08-13T03:03:04+00:00", "utc": "1983-08-13T03:03:04Z", "ms": 429591784175.3465 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-12T05:19:46+00:00", "utc": "1983-08-12T05:19:46Z", "ms": 429513585524.12585 }, "end": { "local": "1983-08-13T03:03:04+00:00", "utc": "1983-08-13T03:03:04Z", "ms": 429591784175.3465 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-12", "window": { "start": { "local": "1983-08-12T12:12:53+00:00", "utc": "1983-08-12T12:12:53Z", "ms": 429538373026.3574 }, "end": { "local": "1983-08-12T13:00:53+00:00", "utc": "1983-08-12T13:00:53Z", "ms": 429541253026.3574 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-13", "window": { "start": { "local": "1983-08-13T12:12:43+00:00", "utc": "1983-08-13T12:12:43Z", "ms": 429624762812.8401 }, "end": { "local": "1983-08-13T13:00:43+00:00", "utc": "1983-08-13T13:00:43Z", "ms": 429627642812.8401 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:20 on Fri 12 Aug to 03:03 on Sat 13 Aug.", "fact": "1983-08-12T05:19:46Z → 1983-08-13T03:03:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 12th, 12:13–13:01 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 24788 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Bamako, 1983: Friday 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": "1983-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-12", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī 1983 falls on Friday 12 August. Pañcamī runs from 05:20 on Fri 12 Aug to 03:03 on Sat 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-08-18", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3613, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-08-18T03:20:15+00:00", "utc": "1983-08-18T03:20:15Z", "ms": 430024814640.4862 }, "end": { "local": "1983-08-19T05:20:20+00:00", "utc": "1983-08-19T05:20:20Z", "ms": 430118420360.80035 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-18T03:20:15+00:00", "utc": "1983-08-18T03:20:15Z", "ms": 430024814640.4862 }, "end": { "local": "1983-08-19T05:20:20+00:00", "utc": "1983-08-19T05:20:20Z", "ms": 430118420360.80035 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-08-18", "window": { "start": { "local": "1983-08-18T06:20:28+00:00", "utc": "1983-08-18T06:20:28Z", "ms": 430035628115.24896 }, "end": { "local": "1983-08-18T06:20:28+00:00", "utc": "1983-08-18T06:20:28Z", "ms": 430035628115.24896 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-08-19", "window": { "start": { "local": "1983-08-19T06:20:33+00:00", "utc": "1983-08-19T06:20:33Z", "ms": 430122033367.2174 }, "end": { "local": "1983-08-19T06:20:33+00:00", "utc": "1983-08-19T06:20:33Z", "ms": 430122033367.2174 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:20 on Thu 18 Aug to 05:20 on Fri 19 Aug.", "fact": "1983-08-18T03:20:15Z → 1983-08-19T05:20:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 18th and 06:21 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 3613 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1983: Thursday 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": "1983-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-18", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1983 falls on Thursday 18 August. Ekādaśī runs from 03:20 on Thu 18 Aug to 05:20 on Fri 19 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16329, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-08-19T05:20:20+00:00", "utc": "1983-08-19T05:20:20Z", "ms": 430118420360.80035 }, "end": { "local": "1983-08-20T07:39:07+00:00", "utc": "1983-08-20T07:39:07Z", "ms": 430213147210.5383 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-19T05:20:20+00:00", "utc": "1983-08-19T05:20:20Z", "ms": 430118420360.80035 }, "end": { "local": "1983-08-20T07:39:07+00:00", "utc": "1983-08-20T07:39:07Z", "ms": 430213147210.5383 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-19", "window": { "start": { "local": "1983-08-19T12:11:30+00:00", "utc": "1983-08-19T12:11:30Z", "ms": 430143089916.01514 }, "end": { "local": "1983-08-19T12:59:30+00:00", "utc": "1983-08-19T12:59:30Z", "ms": 430145969916.01514 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-20", "window": { "start": { "local": "1983-08-20T12:11:16+00:00", "utc": "1983-08-20T12:11:16Z", "ms": 430229475937.7311 }, "end": { "local": "1983-08-20T12:59:16+00:00", "utc": "1983-08-20T12:59:16Z", "ms": 430232355937.7311 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:20 on Fri 19 Aug to 07:39 on Sat 20 Aug.", "fact": "1983-08-19T05:20:20Z → 1983-08-20T07:39:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 19th, 12:11–12:59 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16329 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Bamako, 1983: Friday 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": "1983-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-19", "confidence": "determinate" } ], "quote": "In Bamako, Dāmodara Dvādaśī 1983 falls on Friday 19 August. Dvādaśī runs from 05:20 on Fri 19 Aug to 07:39 on Sat 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-08-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31345, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-08-20T07:39:07+00:00", "utc": "1983-08-20T07:39:07Z", "ms": 430213147210.5383 }, "end": { "local": "1983-08-21T10:06:55+00:00", "utc": "1983-08-21T10:06:55Z", "ms": 430308415038.91034 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-20T07:39:07+00:00", "utc": "1983-08-20T07:39:07Z", "ms": 430213147210.5383 }, "end": { "local": "1983-08-21T10:06:55+00:00", "utc": "1983-08-21T10:06:55Z", "ms": 430308415038.91034 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-08-20", "window": { "start": { "local": "1983-08-20T18:49:54+00:00", "utc": "1983-08-20T18:49:54Z", "ms": 430253393624.2219 }, "end": { "local": "1983-08-20T20:22:00+00:00", "utc": "1983-08-20T20:22:00Z", "ms": 430258920177.87103 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1983-08-21", "window": { "start": { "local": "1983-08-21T18:49:20+00:00", "utc": "1983-08-21T18:49:20Z", "ms": 430339760169.91693 }, "end": { "local": "1983-08-21T20:21:32+00:00", "utc": "1983-08-21T20:21:32Z", "ms": 430345291741.0491 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:39 on Sat 20 Aug to 10:07 on Sun 21 Aug.", "fact": "1983-08-20T07:39:07Z → 1983-08-21T10:06:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:22 on the 20th, 18:49–20:22 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 20th and 0 of 92 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31345 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Saturday 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": "1983-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-20", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Saturday 20 August. Trayodaśī runs from 07:39 on Sat 20 Aug to 10:07 on Sun 21 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 16345, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-08-22T12:35:41+00:00", "utc": "1983-08-22T12:35:41Z", "ms": 430403740800.0254 }, "end": { "local": "1983-08-23T14:59:17+00:00", "utc": "1983-08-23T14:59:17Z", "ms": 430498756698.13367 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1983-08-23T01:48:26+00:00", "utc": "1983-08-23T01:48:26Z", "ms": 430451306282.7146 }, "end": { "local": "1983-08-23T14:59:17+00:00", "utc": "1983-08-23T14:59:17Z", "ms": 430498756698.13367 } }, "kaala": "day", "days": [ { "local_date": "1983-08-22", "window": { "start": { "local": "1983-08-22T06:20:47+00:00", "utc": "1983-08-22T06:20:47Z", "ms": 430381246953.4078 }, "end": { "local": "1983-08-23T06:20:51+00:00", "utc": "1983-08-23T06:20:51Z", "ms": 430467650792.6283 } }, "covered_min": 272, "window_min": 1440, "qualifies": true }, { "local_date": "1983-08-23", "window": { "start": { "local": "1983-08-23T06:20:51+00:00", "utc": "1983-08-23T06:20:51Z", "ms": 430467650792.6283 }, "end": { "local": "1983-08-24T06:20:54+00:00", "utc": "1983-08-24T06:20:54Z", "ms": 430554054305.9043 } }, "covered_min": 518, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:36 on Mon 22 Aug to 14:59 on Tue 23 Aug. Its second half begins at 01:48 on Tue 23 Aug.", "fact": "1983-08-22T12:35:41Z → 1983-08-23T14:59:17Z · second half from 1983-08-23T01:48:26Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 22nd, and from 06:21 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 272 of 1440 minutes on the 22nd and 518 of 1440 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 16345 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Bamako, 1983: Tuesday 23 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-08-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-23", "confidence": "boundary" } ], "quote": "In Bamako, Rakṣā Bandhana (Rakhi) 1983 falls on Tuesday 23 August. The second half of Pūrṇimā runs from 01:48 on Tue 23 Aug to 14:59 on Tue 23 Aug and falls on two days: 518 minutes of it on the 23rd, 272 on the 22nd; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1386, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-08-22T12:35:41+00:00", "utc": "1983-08-22T12:35:41Z", "ms": 430403740800.0254 }, "end": { "local": "1983-08-23T14:59:17+00:00", "utc": "1983-08-23T14:59:17Z", "ms": 430498756698.13367 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1983-08-22T12:35:41+00:00", "utc": "1983-08-22T12:35:41Z", "ms": 430403740800.0254 }, "end": { "local": "1983-08-23T14:59:17+00:00", "utc": "1983-08-23T14:59:17Z", "ms": 430498756698.13367 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-22", "window": { "start": { "local": "1983-08-22T12:10:47+00:00", "utc": "1983-08-22T12:10:47Z", "ms": 430402246537.8896 }, "end": { "local": "1983-08-22T12:58:47+00:00", "utc": "1983-08-22T12:58:47Z", "ms": 430405126537.8896 } }, "covered_min": 23, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-23", "window": { "start": { "local": "1983-08-23T12:10:31+00:00", "utc": "1983-08-23T12:10:31Z", "ms": 430488631147.55176 }, "end": { "local": "1983-08-23T12:58:31+00:00", "utc": "1983-08-23T12:58:31Z", "ms": 430491511147.55176 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:36 on Mon 22 Aug to 14:59 on Tue 23 Aug.", "fact": "1983-08-22T12:35:41Z → 1983-08-23T14:59:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 22nd, 12:11–12:59 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 23 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1386 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Bamako, 1983: Tuesday 23 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-08-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-23", "confidence": "boundary" } ], "quote": "In Bamako, Ṛṣi Tarpaṇa 1983 falls on Tuesday 23 August. Pūrṇimā runs from 12:36 on Mon 22 Aug to 14:59 on Tue 23 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 23 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/bamako/festivals/1983/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": "/bamako/festivals/1983/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3980, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1983-08-24T17:13:11+00:00", "utc": "1983-08-24T17:13:11Z", "ms": 430593191445.99756 }, "end": { "local": "1983-08-25T19:13:49+00:00", "utc": "1983-08-25T19:13:49Z", "ms": 430686828944.4108 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-24T17:13:11+00:00", "utc": "1983-08-24T17:13:11Z", "ms": 430593191445.99756 }, "end": { "local": "1983-08-25T19:13:49+00:00", "utc": "1983-08-25T19:13:49Z", "ms": 430686828944.4108 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-08-24", "window": { "start": { "local": "1983-08-24T19:42:51+00:00", "utc": "1983-08-24T19:42:51Z", "ms": 430602171075.1608 }, "end": { "local": "1983-08-24T19:42:51+00:00", "utc": "1983-08-24T19:42:51Z", "ms": 430602171075.1608 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-08-25", "window": { "start": { "local": "1983-08-25T20:20:09+00:00", "utc": "1983-08-25T20:20:09Z", "ms": 430690809300.41504 }, "end": { "local": "1983-08-25T20:20:09+00:00", "utc": "1983-08-25T20:20:09Z", "ms": 430690809300.41504 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:13 on Wed 24 Aug to 19:14 on Thu 25 Aug.", "fact": "1983-08-24T17:13:11Z → 1983-08-25T19:13:49Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 24th and 20:20 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3980 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Bamako, 1983: Wednesday 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": "1983-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-24", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata 1983 falls on Wednesday 24 August. Dvitīyā runs from 17:13 on Wed 24 Aug to 19:14 on Thu 25 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22550, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-08-25T19:13:49+00:00", "utc": "1983-08-25T19:13:49Z", "ms": 430686828944.4108 }, "end": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-25T19:13:49+00:00", "utc": "1983-08-25T19:13:49Z", "ms": 430686828944.4108 }, "end": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-25", "window": { "start": { "local": "1983-08-25T12:09:59+00:00", "utc": "1983-08-25T12:09:59Z", "ms": 430661399068.1962 }, "end": { "local": "1983-08-25T12:57:59+00:00", "utc": "1983-08-25T12:57:59Z", "ms": 430664279068.1962 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-08-26", "window": { "start": { "local": "1983-08-26T12:09:42+00:00", "utc": "1983-08-26T12:09:42Z", "ms": 430747782413.6019 }, "end": { "local": "1983-08-26T12:57:42+00:00", "utc": "1983-08-26T12:57:42Z", "ms": 430750662413.6019 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:14 on Thu 25 Aug to 20:58 on Fri 26 Aug.", "fact": "1983-08-25T19:13:49Z → 1983-08-26T20:57:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 25th, 12:10–12:58 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22550 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Bamako, 1983: Friday 26 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": "1983-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-26", "confidence": "determinate" } ], "quote": "In Bamako, Kajjalī Tṛtīyā (Kajari Teej) 1983 falls on Friday 26 August. Tṛtīyā runs from 19:14 on Thu 25 Aug to 20:58 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7878, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 }, "end": { "local": "1983-08-27T22:20:57+00:00", "utc": "1983-08-27T22:20:57Z", "ms": 430870856559.5163 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 }, "end": { "local": "1983-08-27T22:20:57+00:00", "utc": "1983-08-27T22:20:57Z", "ms": 430870856559.5163 } }, "kaala": "sayahna", "days": [ { "local_date": "1983-08-26", "window": { "start": { "local": "1983-08-26T16:17:20+00:00", "utc": "1983-08-26T16:17:20Z", "ms": 430762639619.19745 }, "end": { "local": "1983-08-26T18:46:24+00:00", "utc": "1983-08-26T18:46:24Z", "ms": 430771584422.92773 } }, "covered_min": 0, "window_min": 149, "qualifies": false }, { "local_date": "1983-08-27", "window": { "start": { "local": "1983-08-27T16:16:51+00:00", "utc": "1983-08-27T16:16:51Z", "ms": 430849010785.8795 }, "end": { "local": "1983-08-27T18:45:48+00:00", "utc": "1983-08-27T18:45:48Z", "ms": 430857947728.4931 } }, "covered_min": 149, "window_min": 149, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:58 on Fri 26 Aug to 22:21 on Sat 27 Aug.", "fact": "1983-08-26T20:57:42Z → 1983-08-27T22:20:57Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:46 on the 26th, 16:17–18:46 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 0 of 149 minutes on the 26th and 149 of 149 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 7878 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Bamako, 1983: Saturday 27 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": "1983-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-27", "confidence": "determinate" } ], "quote": "In Bamako, Bahulā Caturthī 1983 falls on Saturday 27 August. Caturthī runs from 20:58 on Fri 26 Aug to 22:21 on Sat 27 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-08-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-27", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 47, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 }, "end": { "local": "1983-08-27T22:20:57+00:00", "utc": "1983-08-27T22:20:57Z", "ms": 430870856559.5163 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-26T20:57:42+00:00", "utc": "1983-08-26T20:57:42Z", "ms": 430779461925.6496 }, "end": { "local": "1983-08-27T22:20:57+00:00", "utc": "1983-08-27T22:20:57Z", "ms": 430870856559.5163 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-08-26", "window": { "start": { "local": "1983-08-26T20:56:54+00:00", "utc": "1983-08-26T20:56:54Z", "ms": 430779414468.31213 }, "end": { "local": "1983-08-26T20:56:54+00:00", "utc": "1983-08-26T20:56:54Z", "ms": 430779414468.31213 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-08-27", "window": { "start": { "local": "1983-08-27T21:34:05+00:00", "utc": "1983-08-27T21:34:05Z", "ms": 430868044722.52405 }, "end": { "local": "1983-08-27T21:34:05+00:00", "utc": "1983-08-27T21:34:05Z", "ms": 430868044722.52405 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:58 on Fri 26 Aug to 22:21 on Sat 27 Aug.", "fact": "1983-08-26T20:57:42Z → 1983-08-27T22:20:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 26th and 21:34 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 47 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Saturday 27 August.", "fact": "confidence: boundary (margin)" } ], "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": "1983-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-26", "confidence": "boundary" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Saturday 27 August. Caturthī runs from 20:58 on Fri 26 Aug to 22:21 on Sat 27 Aug and is current at moonrise that day. It is 0 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37312, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-08-28T23:19:00+00:00", "utc": "1983-08-28T23:19:00Z", "ms": 430960739764.90625 }, "end": { "local": "1983-08-29T23:46:54+00:00", "utc": "1983-08-29T23:46:54Z", "ms": 431048814406.4212 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-28T23:19:00+00:00", "utc": "1983-08-28T23:19:00Z", "ms": 430960739764.90625 }, "end": { "local": "1983-08-29T23:46:54+00:00", "utc": "1983-08-29T23:46:54Z", "ms": 431048814406.4212 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-28", "window": { "start": { "local": "1983-08-28T12:09:08+00:00", "utc": "1983-08-28T12:09:08Z", "ms": 430920547961.00793 }, "end": { "local": "1983-08-28T12:57:08+00:00", "utc": "1983-08-28T12:57:08Z", "ms": 430923427961.00793 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-08-29", "window": { "start": { "local": "1983-08-29T12:08:50+00:00", "utc": "1983-08-29T12:08:50Z", "ms": 431006930199.06116 }, "end": { "local": "1983-08-29T12:56:50+00:00", "utc": "1983-08-29T12:56:50Z", "ms": 431009810199.06116 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:19 on Sun 28 Aug to 23:47 on Mon 29 Aug.", "fact": "1983-08-28T23:19:00Z → 1983-08-29T23:46:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 28th, 12:09–12:57 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 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37312 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Bamako, 1983: Monday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-29", "confidence": "determinate" } ], "quote": "In Bamako, Hala Ṣaṣṭhī 1983 falls on Monday 29 August. Ṣaṣṭhī runs from 23:19 on Sun 28 Aug to 23:47 on Mon 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1714, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-08-30T23:39:59+00:00", "utc": "1983-08-30T23:39:59Z", "ms": 431134798970.0406 }, "end": { "local": "1983-08-31T22:54:40+00:00", "utc": "1983-08-31T22:54:40Z", "ms": 431218479920.1056 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-30T23:39:59+00:00", "utc": "1983-08-30T23:39:59Z", "ms": 431134798970.0406 }, "end": { "local": "1983-08-31T22:54:40+00:00", "utc": "1983-08-31T22:54:40Z", "ms": 431218479920.1056 } }, "kaala": "nishita", "days": [ { "local_date": "1983-08-30", "window": { "start": { "local": "1983-08-31T00:08:33+00:00", "utc": "1983-08-31T00:08:33Z", "ms": 431136512902.20874 }, "end": { "local": "1983-08-31T00:56:33+00:00", "utc": "1983-08-31T00:56:33Z", "ms": 431139392902.20874 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-08-31", "window": { "start": { "local": "1983-09-01T00:08:14+00:00", "utc": "1983-09-01T00:08:14Z", "ms": 431222894380.9939 }, "end": { "local": "1983-09-01T00:56:14+00:00", "utc": "1983-09-01T00:56:14Z", "ms": 431225774380.9939 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:40 on Tue 30 Aug to 22:55 on Wed 31 Aug.", "fact": "1983-08-30T23:39:59Z → 1983-08-31T22:54:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 30th, 00:08–00:56 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 1714 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Bamako, 1983: Tuesday 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": "1983-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-30", "confidence": "determinate" } ], "quote": "In Bamako, Janmāṣṭamī 1983 falls on Tuesday 30 August. Aṣṭamī runs from 23:40 on Tue 30 Aug to 22:55 on Wed 31 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38607, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-08-29T23:46:54+00:00", "utc": "1983-08-29T23:46:54Z", "ms": 431048814406.4212 }, "end": { "local": "1983-08-30T23:39:59+00:00", "utc": "1983-08-30T23:39:59Z", "ms": 431134798970.0406 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-08-29T23:46:54+00:00", "utc": "1983-08-29T23:46:54Z", "ms": 431048814406.4212 }, "end": { "local": "1983-08-30T23:39:59+00:00", "utc": "1983-08-30T23:39:59Z", "ms": 431134798970.0406 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-08-29", "window": { "start": { "local": "1983-08-29T12:08:50+00:00", "utc": "1983-08-29T12:08:50Z", "ms": 431006930199.06116 }, "end": { "local": "1983-08-29T12:56:50+00:00", "utc": "1983-08-29T12:56:50Z", "ms": 431009810199.06116 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-08-30", "window": { "start": { "local": "1983-08-30T12:08:32+00:00", "utc": "1983-08-30T12:08:32Z", "ms": 431093312103.6256 }, "end": { "local": "1983-08-30T12:56:32+00:00", "utc": "1983-08-30T12:56:32Z", "ms": 431096192103.6256 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:47 on Mon 29 Aug to 23:40 on Tue 30 Aug.", "fact": "1983-08-29T23:46:54Z → 1983-08-30T23:39:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 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 38607 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Bamako, 1983: Tuesday 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": "1983-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-08-30", "confidence": "determinate" } ], "quote": "In Bamako, Śītalā Saptamī 1983 falls on Tuesday 30 August. Saptamī runs from 23:47 on Mon 29 Aug to 23:40 on Tue 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-09-03", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37414, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-09-02T19:24:54+00:00", "utc": "1983-09-02T19:24:54Z", "ms": 431378693526.0222 }, "end": { "local": "1983-09-03T16:44:49+00:00", "utc": "1983-09-03T16:44:49Z", "ms": 431455488832.2825 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-02T19:24:54+00:00", "utc": "1983-09-02T19:24:54Z", "ms": 431378693526.0222 }, "end": { "local": "1983-09-03T16:44:49+00:00", "utc": "1983-09-03T16:44:49Z", "ms": 431455488832.2825 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-09-02", "window": { "start": { "local": "1983-09-02T06:21:13+00:00", "utc": "1983-09-02T06:21:13Z", "ms": 431331673404.11273 }, "end": { "local": "1983-09-02T06:21:13+00:00", "utc": "1983-09-02T06:21:13Z", "ms": 431331673404.11273 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-09-03", "window": { "start": { "local": "1983-09-03T06:21:14+00:00", "utc": "1983-09-03T06:21:14Z", "ms": 431418074379.5552 }, "end": { "local": "1983-09-03T06:21:14+00:00", "utc": "1983-09-03T06:21:14Z", "ms": 431418074379.5552 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:25 on Fri 2 Sep to 16:45 on Sat 3 Sep.", "fact": "1983-09-02T19:24:54Z → 1983-09-03T16:44:49Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 2nd and 06:21 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 37414 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Bamako, 1983: Saturday 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": "1983-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-03", "confidence": "determinate" } ], "quote": "In Bamako, Ajā Ekādaśī 1983 falls on Saturday 3 September. Ekādaśī runs from 19:25 on Fri 2 Sep to 16:45 on Sat 3 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-09-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18336, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-09-04T13:35:04+00:00", "utc": "1983-09-04T13:35:04Z", "ms": 431530503687.1932 }, "end": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-04T13:35:04+00:00", "utc": "1983-09-04T13:35:04Z", "ms": 431530503687.1932 }, "end": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-09-04", "window": { "start": { "local": "1983-09-04T18:40:39+00:00", "utc": "1983-09-04T18:40:39Z", "ms": 431548839271.8282 }, "end": { "local": "1983-09-04T20:14:04+00:00", "utc": "1983-09-04T20:14:04Z", "ms": 431554444140.6471 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1983-09-05", "window": { "start": { "local": "1983-09-05T18:39:59+00:00", "utc": "1983-09-05T18:39:59Z", "ms": 431635199159.2796 }, "end": { "local": "1983-09-05T20:13:29+00:00", "utc": "1983-09-05T20:13:29Z", "ms": 431640809436.7332 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:35 on Sun 4 Sep to 10:04 on Mon 5 Sep.", "fact": "1983-09-04T13:35:04Z → 1983-09-05T10:03:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:14 on the 4th, 18:40–20:13 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 93 of 93 minutes on the 4th and 0 of 94 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 18336 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Sunday 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": "1983-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-04", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Sunday 4 September. Trayodaśī runs from 13:35 on Sun 4 Sep to 10:04 on Mon 5 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30981, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 }, "end": { "local": "1983-09-06T06:20:04+00:00", "utc": "1983-09-06T06:20:04Z", "ms": 431677203847.4173 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 }, "end": { "local": "1983-09-06T06:20:04+00:00", "utc": "1983-09-06T06:20:04Z", "ms": 431677203847.4173 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-09-05", "window": { "start": { "local": "1983-09-05T18:39:59+00:00", "utc": "1983-09-05T18:39:59Z", "ms": 431635199159.2796 }, "end": { "local": "1983-09-05T20:13:29+00:00", "utc": "1983-09-05T20:13:29Z", "ms": 431640809436.7332 } }, "covered_min": 94, "window_min": 94, "qualifies": true }, { "local_date": "1983-09-06", "window": { "start": { "local": "1983-09-06T18:39:19+00:00", "utc": "1983-09-06T18:39:19Z", "ms": 431721558762.7867 }, "end": { "local": "1983-09-06T20:12:54+00:00", "utc": "1983-09-06T20:12:54Z", "ms": 431727174465.93005 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:04 on Mon 5 Sep to 06:20 on Tue 6 Sep.", "fact": "1983-09-05T10:03:38Z → 1983-09-06T06:20:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:13 on the 5th, 18:39–20:13 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 94 of 94 minutes on the 5th and 0 of 94 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 30981 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Bamako, 1983: Monday 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": "1983-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-05", "confidence": "determinate" } ], "quote": "In Bamako, Aghora Caturdaśī 1983 falls on Monday 5 September. Caturdaśī runs from 10:04 on Mon 5 Sep to 06:20 on Tue 6 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/shivaratri?on=1983-09-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19526, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 }, "end": { "local": "1983-09-06T06:20:04+00:00", "utc": "1983-09-06T06:20:04Z", "ms": 431677203847.4173 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-05T10:03:38+00:00", "utc": "1983-09-05T10:03:38Z", "ms": 431604217771.27826 }, "end": { "local": "1983-09-06T06:20:04+00:00", "utc": "1983-09-06T06:20:04Z", "ms": 431677203847.4173 } }, "kaala": "nishita", "days": [ { "local_date": "1983-09-04", "window": { "start": { "local": "1983-09-05T00:06:58+00:00", "utc": "1983-09-05T00:06:58Z", "ms": 431568417529.89905 }, "end": { "local": "1983-09-05T00:54:58+00:00", "utc": "1983-09-05T00:54:58Z", "ms": 431571297529.89905 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-05", "window": { "start": { "local": "1983-09-06T00:06:38+00:00", "utc": "1983-09-06T00:06:38Z", "ms": 431654797699.7307 }, "end": { "local": "1983-09-06T00:54:38+00:00", "utc": "1983-09-06T00:54:38Z", "ms": 431657677699.7307 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:04 on Mon 5 Sep to 06:20 on Tue 6 Sep.", "fact": "1983-09-05T10:03:38Z → 1983-09-06T06:20:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 4th, 00:07–00:55 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 19526 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Monday 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": "1983-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-05", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Monday 5 September. Caturdaśī runs from 10:04 on Mon 5 Sep to 06:20 on Tue 6 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34260, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-09-07T02:34:58+00:00", "utc": "1983-09-07T02:34:58Z", "ms": 431750097794.84454 }, "end": { "local": "1983-09-07T22:59:29+00:00", "utc": "1983-09-07T22:59:29Z", "ms": 431823569263.96436 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-07T02:34:58+00:00", "utc": "1983-09-07T02:34:58Z", "ms": 431750097794.84454 }, "end": { "local": "1983-09-07T22:59:29+00:00", "utc": "1983-09-07T22:59:29Z", "ms": 431823569263.96436 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-07", "window": { "start": { "local": "1983-09-07T12:05:57+00:00", "utc": "1983-09-07T12:05:57Z", "ms": 431784357317.78015 }, "end": { "local": "1983-09-07T12:53:57+00:00", "utc": "1983-09-07T12:53:57Z", "ms": 431787237317.78015 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-09-08", "window": { "start": { "local": "1983-09-08T12:05:37+00:00", "utc": "1983-09-08T12:05:37Z", "ms": 431870736935.60486 }, "end": { "local": "1983-09-08T12:53:37+00:00", "utc": "1983-09-08T12:53:37Z", "ms": 431873616935.60486 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:35 on Wed 7 Sep to 22:59 on Wed 7 Sep.", "fact": "1983-09-07T02:34:58Z → 1983-09-07T22:59:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 7th, 12:06–12:54 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 34260 s" }, { "step": "ruling", "text": "Rudra Vrata, Bamako, 1983: Wednesday 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": "1983-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-07", "confidence": "determinate" } ], "quote": "In Bamako, Rudra Vrata 1983 falls on Wednesday 7 September. Pratipadā runs from 02:35 on Wed 7 Sep to 22:59 on Wed 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14906, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1983-09-08T19:44:51+00:00", "utc": "1983-09-08T19:44:51Z", "ms": 431898290884.42316 }, "end": { "local": "1983-09-09T17:01:42+00:00", "utc": "1983-09-09T17:01:42Z", "ms": 431974902123.7895 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-08T19:44:51+00:00", "utc": "1983-09-08T19:44:51Z", "ms": 431898290884.42316 }, "end": { "local": "1983-09-09T17:01:42+00:00", "utc": "1983-09-09T17:01:42Z", "ms": 431974902123.7895 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-08", "window": { "start": { "local": "1983-09-08T12:05:37+00:00", "utc": "1983-09-08T12:05:37Z", "ms": 431870736935.60486 }, "end": { "local": "1983-09-08T12:53:37+00:00", "utc": "1983-09-08T12:53:37Z", "ms": 431873616935.60486 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-09", "window": { "start": { "local": "1983-09-09T12:05:16+00:00", "utc": "1983-09-09T12:05:16Z", "ms": 431957116368.7883 }, "end": { "local": "1983-09-09T12:53:16+00:00", "utc": "1983-09-09T12:53:16Z", "ms": 431959996368.7883 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:45 on Thu 8 Sep to 17:02 on Fri 9 Sep.", "fact": "1983-09-08T19:44:51Z → 1983-09-09T17:01:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 8th, 12:05–12:53 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 14906 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Bamako, 1983: Friday 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": "1983-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-09", "confidence": "determinate" } ], "quote": "In Bamako, Haritālikā Vrata (Hartalika Teej) 1983 falls on Friday 9 September. Tṛtīyā runs from 19:45 on Thu 8 Sep to 17:02 on Fri 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7588, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-09-09T17:01:42+00:00", "utc": "1983-09-09T17:01:42Z", "ms": 431974902123.7895 }, "end": { "local": "1983-09-10T14:59:24+00:00", "utc": "1983-09-10T14:59:24Z", "ms": 432053963907.0355 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-09T17:01:42+00:00", "utc": "1983-09-09T17:01:42Z", "ms": 431974902123.7895 }, "end": { "local": "1983-09-10T14:59:24+00:00", "utc": "1983-09-10T14:59:24Z", "ms": 432053963907.0355 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-09", "window": { "start": { "local": "1983-09-09T12:05:16+00:00", "utc": "1983-09-09T12:05:16Z", "ms": 431957116368.7883 }, "end": { "local": "1983-09-09T12:53:16+00:00", "utc": "1983-09-09T12:53:16Z", "ms": 431959996368.7883 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-10", "window": { "start": { "local": "1983-09-10T12:04:56+00:00", "utc": "1983-09-10T12:04:56Z", "ms": 432043495632.25635 }, "end": { "local": "1983-09-10T12:52:56+00:00", "utc": "1983-09-10T12:52:56Z", "ms": 432046375632.25635 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:02 on Fri 9 Sep to 14:59 on Sat 10 Sep.", "fact": "1983-09-09T17:01:42Z → 1983-09-10T14:59:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:05–12:53 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 7588 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Bamako, 1983: Saturday 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": "1983-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-10", "confidence": "determinate" } ], "quote": "In Bamako, Gaṇeśa Caturthī 1983 falls on Saturday 10 September. Caturthī runs from 17:02 on Fri 9 Sep to 14:59 on Sat 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3148, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-09-10T14:59:24+00:00", "utc": "1983-09-10T14:59:24Z", "ms": 432053963907.0355 }, "end": { "local": "1983-09-11T13:45:03+00:00", "utc": "1983-09-11T13:45:03Z", "ms": 432135902707.82214 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-10T14:59:24+00:00", "utc": "1983-09-10T14:59:24Z", "ms": 432053963907.0355 }, "end": { "local": "1983-09-11T13:45:03+00:00", "utc": "1983-09-11T13:45:03Z", "ms": 432135902707.82214 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-10", "window": { "start": { "local": "1983-09-10T12:04:56+00:00", "utc": "1983-09-10T12:04:56Z", "ms": 432043495632.25635 }, "end": { "local": "1983-09-10T12:52:56+00:00", "utc": "1983-09-10T12:52:56Z", "ms": 432046375632.25635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-11", "window": { "start": { "local": "1983-09-11T12:04:35+00:00", "utc": "1983-09-11T12:04:35Z", "ms": 432129874742.17883 }, "end": { "local": "1983-09-11T12:52:35+00:00", "utc": "1983-09-11T12:52:35Z", "ms": 432132754742.17883 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:59 on Sat 10 Sep to 13:45 on Sun 11 Sep.", "fact": "1983-09-10T14:59:24Z → 1983-09-11T13:45:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 10th, 12:05–12:53 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 3148 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Bamako, 1983: Sunday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-11", "confidence": "boundary" } ], "quote": "In Bamako, Ṛṣi Pañcamī 1983 falls on Sunday 11 September. Pañcamī runs from 14:59 on Sat 10 Sep to 13:45 on Sun 11 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1815, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-09-11T13:45:03+00:00", "utc": "1983-09-11T13:45:03Z", "ms": 432135902707.82214 }, "end": { "local": "1983-09-12T13:22:29+00:00", "utc": "1983-09-12T13:22:29Z", "ms": 432220948744.0847 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-11T13:45:03+00:00", "utc": "1983-09-11T13:45:03Z", "ms": 432135902707.82214 }, "end": { "local": "1983-09-12T13:22:29+00:00", "utc": "1983-09-12T13:22:29Z", "ms": 432220948744.0847 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-11", "window": { "start": { "local": "1983-09-11T12:04:35+00:00", "utc": "1983-09-11T12:04:35Z", "ms": 432129874742.17883 }, "end": { "local": "1983-09-11T12:52:35+00:00", "utc": "1983-09-11T12:52:35Z", "ms": 432132754742.17883 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-12", "window": { "start": { "local": "1983-09-12T12:04:14+00:00", "utc": "1983-09-12T12:04:14Z", "ms": 432216253715.94446 }, "end": { "local": "1983-09-12T12:52:14+00:00", "utc": "1983-09-12T12:52:14Z", "ms": 432219133715.94446 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:45 on Sun 11 Sep to 13:22 on Mon 12 Sep.", "fact": "1983-09-11T13:45:03Z → 1983-09-12T13:22:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 11th, 12:04–12:52 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 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1815 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Bamako, 1983: Monday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-12", "confidence": "boundary" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Bhādrapada) 1983 falls on Monday 12 September. Ṣaṣṭhī runs from 13:45 on Sun 11 Sep to 13:22 on Mon 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1815, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-09-12T13:22:29+00:00", "utc": "1983-09-12T13:22:29Z", "ms": 432220948744.0847 }, "end": { "local": "1983-09-13T13:51:22+00:00", "utc": "1983-09-13T13:51:22Z", "ms": 432309081618.66455 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-12T13:22:29+00:00", "utc": "1983-09-12T13:22:29Z", "ms": 432220948744.0847 }, "end": { "local": "1983-09-13T13:51:22+00:00", "utc": "1983-09-13T13:51:22Z", "ms": 432309081618.66455 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-12", "window": { "start": { "local": "1983-09-12T12:04:14+00:00", "utc": "1983-09-12T12:04:14Z", "ms": 432216253715.94446 }, "end": { "local": "1983-09-12T12:52:14+00:00", "utc": "1983-09-12T12:52:14Z", "ms": 432219133715.94446 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-13", "window": { "start": { "local": "1983-09-13T12:03:53+00:00", "utc": "1983-09-13T12:03:53Z", "ms": 432302632572.0311 }, "end": { "local": "1983-09-13T12:51:53+00:00", "utc": "1983-09-13T12:51:53Z", "ms": 432305512572.0311 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:22 on Mon 12 Sep to 13:51 on Tue 13 Sep.", "fact": "1983-09-12T13:22:29Z → 1983-09-13T13:51:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 12th, 12:04–12:52 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 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1815 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Bamako, 1983: Tuesday 13 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": "1983-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-12", "confidence": "determinate" } ], "quote": "In Bamako, Muktābharaṇa Vrata 1983 falls on Tuesday 13 September. Saptamī runs from 13:22 on Mon 12 Sep to 13:51 on Tue 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3569, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-09-13T13:51:22+00:00", "utc": "1983-09-13T13:51:22Z", "ms": 432309081618.66455 }, "end": { "local": "1983-09-14T15:06:45+00:00", "utc": "1983-09-14T15:06:45Z", "ms": 432400004537.82623 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-13T13:51:22+00:00", "utc": "1983-09-13T13:51:22Z", "ms": 432309081618.66455 }, "end": { "local": "1983-09-14T15:06:45+00:00", "utc": "1983-09-14T15:06:45Z", "ms": 432400004537.82623 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-13", "window": { "start": { "local": "1983-09-13T12:03:53+00:00", "utc": "1983-09-13T12:03:53Z", "ms": 432302632572.0311 }, "end": { "local": "1983-09-13T12:51:53+00:00", "utc": "1983-09-13T12:51:53Z", "ms": 432305512572.0311 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-14", "window": { "start": { "local": "1983-09-14T12:03:31+00:00", "utc": "1983-09-14T12:03:31Z", "ms": 432389011329.84186 }, "end": { "local": "1983-09-14T12:51:31+00:00", "utc": "1983-09-14T12:51:31Z", "ms": 432391891329.84186 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:51 on Tue 13 Sep to 15:07 on Wed 14 Sep.", "fact": "1983-09-13T13:51:22Z → 1983-09-14T15:06:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 13th, 12:04–12:52 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 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3569 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Bamako, 1983: Wednesday 14 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": "1983-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-14", "confidence": "determinate" } ], "quote": "In Bamako, Rādhāṣṭamī 1983 falls on Wednesday 14 September. Aṣṭamī runs from 13:51 on Tue 13 Sep to 15:07 on Wed 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-09-17", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30800, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-09-16T19:17:30+00:00", "utc": "1983-09-16T19:17:30Z", "ms": 432587849633.0959 }, "end": { "local": "1983-09-17T21:47:53+00:00", "utc": "1983-09-17T21:47:53Z", "ms": 432683272820.3975 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-16T19:17:30+00:00", "utc": "1983-09-16T19:17:30Z", "ms": 432587849633.0959 }, "end": { "local": "1983-09-17T21:47:53+00:00", "utc": "1983-09-17T21:47:53Z", "ms": 432683272820.3975 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-09-17", "window": { "start": { "local": "1983-09-17T06:21:13+00:00", "utc": "1983-09-17T06:21:13Z", "ms": 432627673408.23004 }, "end": { "local": "1983-09-17T06:21:13+00:00", "utc": "1983-09-17T06:21:13Z", "ms": 432627673408.23004 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-09-18", "window": { "start": { "local": "1983-09-18T06:21:13+00:00", "utc": "1983-09-18T06:21:13Z", "ms": 432714072812.3558 }, "end": { "local": "1983-09-18T06:21:13+00:00", "utc": "1983-09-18T06:21:13Z", "ms": 432714072812.3558 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:17 on Fri 16 Sep to 21:48 on Sat 17 Sep.", "fact": "1983-09-16T19:17:30Z → 1983-09-17T21:47:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 17th and 06:21 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30800 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Bamako, 1983: Saturday 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": "1983-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-17", "confidence": "determinate" } ], "quote": "In Bamako, Parivartanī Ekādaśī 1983 falls on Saturday 17 September. Ekādaśī runs from 19:17 on Fri 16 Sep to 21:48 on Sat 17 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-09-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32246, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-09-17T21:47:53+00:00", "utc": "1983-09-17T21:47:53Z", "ms": 432683272820.3975 }, "end": { "local": "1983-09-19T00:18:47+00:00", "utc": "1983-09-19T00:18:47Z", "ms": 432778726850.19135 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-17T21:47:53+00:00", "utc": "1983-09-17T21:47:53Z", "ms": 432683272820.3975 }, "end": { "local": "1983-09-19T00:18:47+00:00", "utc": "1983-09-19T00:18:47Z", "ms": 432778726850.19135 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-09-17", "window": { "start": { "local": "1983-09-17T12:02:27+00:00", "utc": "1983-09-17T12:02:27Z", "ms": 432648147218.3954 }, "end": { "local": "1983-09-17T12:50:27+00:00", "utc": "1983-09-17T12:50:27Z", "ms": 432651027218.3954 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-09-18", "window": { "start": { "local": "1983-09-18T12:02:06+00:00", "utc": "1983-09-18T12:02:06Z", "ms": 432734525790.69775 }, "end": { "local": "1983-09-18T12:50:06+00:00", "utc": "1983-09-18T12:50:06Z", "ms": 432737405790.69775 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:48 on Sat 17 Sep to 00:19 on Mon 19 Sep.", "fact": "1983-09-17T21:47:53Z → 1983-09-19T00:18:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 17th, 12:02–12:50 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 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32246 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Bamako, 1983: Sunday 18 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": "1983-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-18", "confidence": "determinate" } ], "quote": "In Bamako, Vāmana Jayantī 1983 falls on Sunday 18 September. Dvādaśī runs from 21:48 on Sat 17 Sep to 00:19 on Mon 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-09-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15186, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-09-19T00:18:47+00:00", "utc": "1983-09-19T00:18:47Z", "ms": 432778726850.19135 }, "end": { "local": "1983-09-20T02:40:52+00:00", "utc": "1983-09-20T02:40:52Z", "ms": 432873651941.4936 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-19T00:18:47+00:00", "utc": "1983-09-19T00:18:47Z", "ms": 432778726850.19135 }, "end": { "local": "1983-09-20T02:40:52+00:00", "utc": "1983-09-20T02:40:52Z", "ms": 432873651941.4936 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-09-18", "window": { "start": { "local": "1983-09-18T18:30:59+00:00", "utc": "1983-09-18T18:30:59Z", "ms": 432757858769.0398 }, "end": { "local": "1983-09-18T20:05:41+00:00", "utc": "1983-09-18T20:05:41Z", "ms": 432763540564.58716 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1983-09-19", "window": { "start": { "local": "1983-09-19T18:30:17+00:00", "utc": "1983-09-19T18:30:17Z", "ms": 432844216506.5493 }, "end": { "local": "1983-09-19T20:05:04+00:00", "utc": "1983-09-19T20:05:04Z", "ms": 432849903865.37384 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:19 on Mon 19 Sep to 02:41 on Tue 20 Sep.", "fact": "1983-09-19T00:18:47Z → 1983-09-20T02:40:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:06 on the 18th, 18:30–20:05 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 18th and 95 of 95 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 15186 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Monday 19 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": "1983-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-19", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Monday 19 September. Trayodaśī runs from 00:19 on Mon 19 Sep to 02:41 on Tue 20 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5601, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-09-20T02:40:52+00:00", "utc": "1983-09-20T02:40:52Z", "ms": 432873651941.4936 }, "end": { "local": "1983-09-21T04:47:50+00:00", "utc": "1983-09-21T04:47:50Z", "ms": 432967670475.08875 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1983-09-20T02:40:52+00:00", "utc": "1983-09-20T02:40:52Z", "ms": 432873651941.4936 }, "end": { "local": "1983-09-21T04:47:50+00:00", "utc": "1983-09-21T04:47:50Z", "ms": 432967670475.08875 } }, "kaala": "udaya-3", "days": [ { "local_date": "1983-09-20", "window": { "start": { "local": "1983-09-20T06:21:12+00:00", "utc": "1983-09-20T06:21:12Z", "ms": 432886871697.7334 }, "end": { "local": "1983-09-20T08:46:52+00:00", "utc": "1983-09-20T08:46:52Z", "ms": 432895612211.5298 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1983-09-21", "window": { "start": { "local": "1983-09-21T06:21:11+00:00", "utc": "1983-09-21T06:21:11Z", "ms": 432973271218.7006 }, "end": { "local": "1983-09-21T08:46:43+00:00", "utc": "1983-09-21T08:46:43Z", "ms": 432982003390.0448 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:41 on Tue 20 Sep to 04:48 on Wed 21 Sep.", "fact": "1983-09-20T02:40:52Z → 1983-09-21T04:47:50Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:21–08:47 on the 20th, 06:21–08:47 on the 21st.", "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 146 of 146 minutes on the 20th and 0 of 146 on the 21st.", "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 5601 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Bamako, 1983: Tuesday 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": "1983-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-20", "confidence": "determinate" } ], "quote": "In Bamako, Ananta Caturdaśī 1983 falls on Tuesday 20 September. Caturdaśī runs from 02:41 on Tue 20 Sep to 04:48 on Wed 21 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-09-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39428, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-09-25T09:56:13+00:00", "utc": "1983-09-25T09:56:13Z", "ms": 433331773087.7416 }, "end": { "local": "1983-09-26T10:18:24+00:00", "utc": "1983-09-26T10:18:24Z", "ms": 433419503559.66223 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-09-25T09:56:13+00:00", "utc": "1983-09-25T09:56:13Z", "ms": 433331773087.7416 }, "end": { "local": "1983-09-26T10:18:24+00:00", "utc": "1983-09-26T10:18:24Z", "ms": 433419503559.66223 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-09-25", "window": { "start": { "local": "1983-09-25T20:53:21+00:00", "utc": "1983-09-25T20:53:21Z", "ms": 433371201441.37427 }, "end": { "local": "1983-09-25T20:53:21+00:00", "utc": "1983-09-25T20:53:21Z", "ms": 433371201441.37427 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-09-26", "window": { "start": { "local": "1983-09-26T21:37:03+00:00", "utc": "1983-09-26T21:37:03Z", "ms": 433460223437.85004 }, "end": { "local": "1983-09-26T21:37:03+00:00", "utc": "1983-09-26T21:37:03Z", "ms": 433460223437.85004 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:56 on Sun 25 Sep to 10:18 on Mon 26 Sep.", "fact": "1983-09-25T09:56:13Z → 1983-09-26T10:18:24Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 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 on the 25th and is not 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 39428 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Sunday 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": "1983-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-25", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Sunday 25 September. Caturthī runs from 09:56 on Sun 25 Sep to 10:18 on Mon 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40845, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-09-27T10:15:40+00:00", "utc": "1983-09-27T10:15:40Z", "ms": 433505739588.6756 }, "end": { "local": "1983-09-28T09:45:41+00:00", "utc": "1983-09-28T09:45:41Z", "ms": 433590341495.6047 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-09-27T10:15:40+00:00", "utc": "1983-09-27T10:15:40Z", "ms": 433505739588.6756 }, "end": { "local": "1983-09-28T09:45:41+00:00", "utc": "1983-09-28T09:45:41Z", "ms": 433590341495.6047 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-09-26", "window": { "start": { "local": "1983-09-26T21:37:03+00:00", "utc": "1983-09-26T21:37:03Z", "ms": 433460223437.85004 }, "end": { "local": "1983-09-26T21:37:03+00:00", "utc": "1983-09-26T21:37:03Z", "ms": 433460223437.85004 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-09-27", "window": { "start": { "local": "1983-09-27T22:24:57+00:00", "utc": "1983-09-27T22:24:57Z", "ms": 433549496528.6677 }, "end": { "local": "1983-09-27T22:24:57+00:00", "utc": "1983-09-27T22:24:57Z", "ms": 433549496528.6677 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:16 on Tue 27 Sep to 09:46 on Wed 28 Sep.", "fact": "1983-09-27T10:15:40Z → 1983-09-28T09:45:41Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 26th and 22:25 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 40845 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Bamako, 1983: Tuesday 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": "1983-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-27", "confidence": "determinate" } ], "quote": "In Bamako, Candra Ṣaṣṭhī 1983 falls on Tuesday 27 September. Ṣaṣṭhī runs from 10:16 on Tue 27 Sep to 09:46 on Wed 28 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34618, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-09-29T08:46:21+00:00", "utc": "1983-09-29T08:46:21Z", "ms": 433673181140.45905 }, "end": { "local": "1983-09-30T07:16:27+00:00", "utc": "1983-09-30T07:16:27Z", "ms": 433754186656.73047 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-09-29T08:46:21+00:00", "utc": "1983-09-29T08:46:21Z", "ms": 433673181140.45905 }, "end": { "local": "1983-09-30T07:16:27+00:00", "utc": "1983-09-30T07:16:27Z", "ms": 433754186656.73047 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-09-29", "window": { "start": { "local": "1983-09-29T18:23:19+00:00", "utc": "1983-09-29T18:23:19Z", "ms": 433707799431.5949 }, "end": { "local": "1983-09-29T19:59:03+00:00", "utc": "1983-09-29T19:59:03Z", "ms": 433713542570.1698 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1983-09-30", "window": { "start": { "local": "1983-09-30T18:22:39+00:00", "utc": "1983-09-30T18:22:39Z", "ms": 433794158849.036 }, "end": { "local": "1983-09-30T19:58:28+00:00", "utc": "1983-09-30T19:58:28Z", "ms": 433799907563.706 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:46 on Thu 29 Sep to 07:16 on Fri 30 Sep.", "fact": "1983-09-29T08:46:21Z → 1983-09-30T07:16:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:59 on the 29th, 18:23–19:58 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 96 of 96 minutes on the 29th and 0 of 96 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 34618 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Bamako, 1983: Thursday 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": "1983-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-29", "confidence": "determinate" } ], "quote": "In Bamako, Jitāṣṭamī (Jitiya) 1983 falls on Thursday 29 September. Aṣṭamī runs from 08:46 on Thu 29 Sep to 07:16 on Fri 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25292, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-09-29T08:46:21+00:00", "utc": "1983-09-29T08:46:21Z", "ms": 433673181140.45905 }, "end": { "local": "1983-09-30T07:16:27+00:00", "utc": "1983-09-30T07:16:27Z", "ms": 433754186656.73047 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-09-29T08:46:21+00:00", "utc": "1983-09-29T08:46:21Z", "ms": 433673181140.45905 }, "end": { "local": "1983-09-30T07:16:27+00:00", "utc": "1983-09-30T07:16:27Z", "ms": 433754186656.73047 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-09-28", "window": { "start": { "local": "1983-09-28T23:17:36+00:00", "utc": "1983-09-28T23:17:36Z", "ms": 433639056052.6481 }, "end": { "local": "1983-09-28T23:17:36+00:00", "utc": "1983-09-28T23:17:36Z", "ms": 433639056052.6481 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-09-29", "window": { "start": { "local": "1983-09-30T00:14:55+00:00", "utc": "1983-09-30T00:14:55Z", "ms": 433728894628.0999 }, "end": { "local": "1983-09-30T00:14:55+00:00", "utc": "1983-09-30T00:14:55Z", "ms": 433728894628.0999 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:46 on Thu 29 Sep to 07:16 on Fri 30 Sep.", "fact": "1983-09-29T08:46:21Z → 1983-09-30T07:16:27Z" }, { "step": "kaala", "text": "Moonrise is at 23:18 on the 28th and 00:15 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 25292 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Bamako, 1983: Thursday 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": "1983-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-09-29", "confidence": "determinate" } ], "quote": "In Bamako, Mahālakṣmī Vrata Samāpana 1983 falls on Thursday 29 September. Aṣṭamī runs from 08:46 on Thu 29 Sep to 07:16 on Fri 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-10-02", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12761, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-10-02T02:48:35+00:00", "utc": "1983-10-02T02:48:35Z", "ms": 433910914998.21936 }, "end": { "local": "1983-10-02T23:57:39+00:00", "utc": "1983-10-02T23:57:39Z", "ms": 433987058679.3556 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-02T02:48:35+00:00", "utc": "1983-10-02T02:48:35Z", "ms": 433910914998.21936 }, "end": { "local": "1983-10-02T23:57:39+00:00", "utc": "1983-10-02T23:57:39Z", "ms": 433987058679.3556 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-10-02", "window": { "start": { "local": "1983-10-02T06:21:16+00:00", "utc": "1983-10-02T06:21:16Z", "ms": 433923675723.07635 }, "end": { "local": "1983-10-02T06:21:16+00:00", "utc": "1983-10-02T06:21:16Z", "ms": 433923675723.07635 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-10-03", "window": { "start": { "local": "1983-10-03T06:21:18+00:00", "utc": "1983-10-03T06:21:18Z", "ms": 434010077527.7135 }, "end": { "local": "1983-10-03T06:21:18+00:00", "utc": "1983-10-03T06:21:18Z", "ms": 434010077527.7135 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:49 on Sun 2 Oct to 23:58 on Sun 2 Oct.", "fact": "1983-10-02T02:48:35Z → 1983-10-02T23:57:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 2nd and 06:21 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 12761 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Bamako, 1983: Sunday 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": "1983-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-02", "confidence": "determinate" } ], "quote": "In Bamako, Indirā Ekādaśī 1983 falls on Sunday 2 October. Ekādaśī runs from 02:49 on Sun 2 Oct to 23:58 on Sun 2 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-10-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-03", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2747, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-10-03T20:50:07+00:00", "utc": "1983-10-03T20:50:07Z", "ms": 434062207222.1639 }, "end": { "local": "1983-10-04T17:34:13+00:00", "utc": "1983-10-04T17:34:13Z", "ms": 434136852908.2408 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-03T20:50:07+00:00", "utc": "1983-10-03T20:50:07Z", "ms": 434062207222.1639 }, "end": { "local": "1983-10-04T17:34:13+00:00", "utc": "1983-10-04T17:34:13Z", "ms": 434136852908.2408 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-10-03", "window": { "start": { "local": "1983-10-03T18:20:39+00:00", "utc": "1983-10-03T18:20:39Z", "ms": 434053239015.5841 }, "end": { "local": "1983-10-03T19:56:44+00:00", "utc": "1983-10-03T19:56:44Z", "ms": 434059004431.73865 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1983-10-04", "window": { "start": { "local": "1983-10-04T18:20:00+00:00", "utc": "1983-10-04T18:20:00Z", "ms": 434139599780.7996 }, "end": { "local": "1983-10-04T19:56:11+00:00", "utc": "1983-10-04T19:56:11Z", "ms": 434145370751.7362 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:50 on Mon 3 Oct to 17:34 on Tue 4 Oct.", "fact": "1983-10-03T20:50:07Z → 1983-10-04T17:34:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:57 on the 3rd, 18:20–19:56 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 96 minutes on the 3rd and 0 of 96 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2747 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Monday 3 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-10-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-03", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Monday 3 October. Trayodaśī runs from 20:50 on Mon 3 Oct to 17:34 on Tue 4 Oct, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-10-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22948, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-10-04T17:34:13+00:00", "utc": "1983-10-04T17:34:13Z", "ms": 434136852908.2408 }, "end": { "local": "1983-10-05T14:19:21+00:00", "utc": "1983-10-05T14:19:21Z", "ms": 434211560622.9649 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-04T17:34:13+00:00", "utc": "1983-10-04T17:34:13Z", "ms": 434136852908.2408 }, "end": { "local": "1983-10-05T14:19:21+00:00", "utc": "1983-10-05T14:19:21Z", "ms": 434211560622.9649 } }, "kaala": "nishita", "days": [ { "local_date": "1983-10-04", "window": { "start": { "local": "1983-10-04T23:56:41+00:00", "utc": "1983-10-04T23:56:41Z", "ms": 434159800921.8119 }, "end": { "local": "1983-10-05T00:44:41+00:00", "utc": "1983-10-05T00:44:41Z", "ms": 434162680921.8119 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-05", "window": { "start": { "local": "1983-10-05T23:56:23+00:00", "utc": "1983-10-05T23:56:23Z", "ms": 434246182876.11084 }, "end": { "local": "1983-10-06T00:44:23+00:00", "utc": "1983-10-06T00:44:23Z", "ms": 434249062876.11084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:34 on Tue 4 Oct to 14:19 on Wed 5 Oct.", "fact": "1983-10-04T17:34:13Z → 1983-10-05T14:19:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 4th, 23:56–00:44 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 22948 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Tuesday 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": "1983-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-04", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Tuesday 4 October. Caturdaśī runs from 17:34 on Tue 4 Oct to 14:19 on Wed 5 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2831, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1983-10-05T14:19:21+00:00", "utc": "1983-10-05T14:19:21Z", "ms": 434211560622.9649 }, "end": { "local": "1983-10-06T11:15:39+00:00", "utc": "1983-10-06T11:15:39Z", "ms": 434286938748.07806 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-05T14:19:21+00:00", "utc": "1983-10-05T14:19:21Z", "ms": 434211560622.9649 }, "end": { "local": "1983-10-06T11:15:39+00:00", "utc": "1983-10-06T11:15:39Z", "ms": 434286938748.07806 } }, "kaala": "aparahna", "days": [ { "local_date": "1983-10-05", "window": { "start": { "local": "1983-10-05T13:32:09+00:00", "utc": "1983-10-05T13:32:09Z", "ms": 434208729385.79626 }, "end": { "local": "1983-10-05T15:55:45+00:00", "utc": "1983-10-05T15:55:45Z", "ms": 434217345160.1203 } }, "covered_min": 96, "window_min": 144, "qualifies": true }, { "local_date": "1983-10-06", "window": { "start": { "local": "1983-10-06T13:31:47+00:00", "utc": "1983-10-06T13:31:47Z", "ms": 434295107424.53845 }, "end": { "local": "1983-10-06T15:55:15+00:00", "utc": "1983-10-06T15:55:15Z", "ms": 434303714960.12555 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:19 on Wed 5 Oct to 11:16 on Thu 6 Oct.", "fact": "1983-10-05T14:19:21Z → 1983-10-06T11:15:39Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:32–15:56 on the 5th, 13:32–15:55 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 96 of 144 minutes on the 5th and 0 of 143 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 2831 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Bamako, 1983: Wednesday 5 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": "1983-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-05", "confidence": "determinate" } ], "quote": "In Bamako, Mahālaya Amāvāsyā 1983 falls on Wednesday 5 October. Amāvasyā runs from 14:19 on Wed 5 Oct to 11:16 on Thu 6 Oct and covers 96 of 144 minutes of aparāhṇa that afternoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2425, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-10-06T11:15:39+00:00", "utc": "1983-10-06T11:15:39Z", "ms": 434286938748.07806 }, "end": { "local": "1983-10-07T08:33:27+00:00", "utc": "1983-10-07T08:33:27Z", "ms": 434363606662.78345 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-06T11:15:39+00:00", "utc": "1983-10-06T11:15:39Z", "ms": 434286938748.07806 }, "end": { "local": "1983-10-07T08:33:27+00:00", "utc": "1983-10-07T08:33:27Z", "ms": 434363606662.78345 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-10-06", "window": { "start": { "local": "1983-10-06T11:56:04+00:00", "utc": "1983-10-06T11:56:04Z", "ms": 434289363656.74493 }, "end": { "local": "1983-10-06T12:44:04+00:00", "utc": "1983-10-06T12:44:04Z", "ms": 434292243656.74493 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-07", "window": { "start": { "local": "1983-10-07T11:55:46+00:00", "utc": "1983-10-07T11:55:46Z", "ms": 434375746198.32104 }, "end": { "local": "1983-10-07T12:43:46+00:00", "utc": "1983-10-07T12:43:46Z", "ms": 434378626198.32104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:16 on Thu 6 Oct to 08:33 on Fri 7 Oct.", "fact": "1983-10-06T11:15:39Z → 1983-10-07T08:33:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 6th, 11:56–12:44 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 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2425 s" }, { "step": "ruling", "text": "Navarātrārambha, Bamako, 1983: Thursday 6 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": "1983-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-06", "confidence": "determinate" } ], "quote": "In Bamako, Navarātrārambha (Navratri) 1983 falls on Thursday 6 October. Pratipadā runs from 11:16 on Thu 6 Oct to 08:33 on Fri 7 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-10-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25408, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-10-09T04:51:45+00:00", "utc": "1983-10-09T04:51:45Z", "ms": 434523104502.5022 }, "end": { "local": "1983-10-10T04:07:15+00:00", "utc": "1983-10-10T04:07:15Z", "ms": 434606835229.27966 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-09T04:51:45+00:00", "utc": "1983-10-09T04:51:45Z", "ms": 434523104502.5022 }, "end": { "local": "1983-10-10T04:07:15+00:00", "utc": "1983-10-10T04:07:15Z", "ms": 434606835229.27966 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-10-09", "window": { "start": { "local": "1983-10-09T11:55:12+00:00", "utc": "1983-10-09T11:55:12Z", "ms": 434548512493.59143 }, "end": { "local": "1983-10-09T12:43:12+00:00", "utc": "1983-10-09T12:43:12Z", "ms": 434551392493.59143 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-10", "window": { "start": { "local": "1983-10-10T11:54:56+00:00", "utc": "1983-10-10T11:54:56Z", "ms": 434634896279.3898 }, "end": { "local": "1983-10-10T12:42:56+00:00", "utc": "1983-10-10T12:42:56Z", "ms": 434637776279.3898 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:52 on Sun 9 Oct to 04:07 on Mon 10 Oct.", "fact": "1983-10-09T04:51:45Z → 1983-10-10T04:07:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 9th, 11:55–12:43 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 25408 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Sunday 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": "1983-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-09", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Sunday 9 October. Caturthī runs from 04:52 on Sun 9 Oct to 04:07 on Mon 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1172, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-10-12T05:05:37+00:00", "utc": "1983-10-12T05:05:37Z", "ms": 434783136680.05066 }, "end": { "local": "1983-10-13T06:41:27+00:00", "utc": "1983-10-13T06:41:27Z", "ms": 434875286685.9585 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-12T05:05:37+00:00", "utc": "1983-10-12T05:05:37Z", "ms": 434783136680.05066 }, "end": { "local": "1983-10-13T06:41:27+00:00", "utc": "1983-10-13T06:41:27Z", "ms": 434875286685.9585 } }, "kaala": "udaya-1", "days": [ { "local_date": "1983-10-12", "window": { "start": { "local": "1983-10-12T06:21:49+00:00", "utc": "1983-10-12T06:21:49Z", "ms": 434787708899.63727 }, "end": { "local": "1983-10-12T07:09:22+00:00", "utc": "1983-10-12T07:09:22Z", "ms": 434790561741.3272 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-13", "window": { "start": { "local": "1983-10-13T06:21:54+00:00", "utc": "1983-10-13T06:21:54Z", "ms": 434874114287.47363 }, "end": { "local": "1983-10-13T07:09:24+00:00", "utc": "1983-10-13T07:09:24Z", "ms": 434876964435.16284 } }, "covered_min": 20, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:06 on Wed 12 Oct to 06:41 on Thu 13 Oct.", "fact": "1983-10-12T05:05:37Z → 1983-10-13T06:41:27Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:22–07:09 on the 12th, 06:22–07:09 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 48 of 48 minutes on the 12th and 20 of 48 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 1172 s" }, { "step": "ruling", "text": "Durgā Saptamī, Bamako, 1983: Wednesday 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": "1983-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-12", "confidence": "determinate" } ], "quote": "In Bamako, Durgā Saptamī 1983 falls on Wednesday 12 October. Saptamī runs from 05:06 on Wed 12 Oct to 06:41 on Thu 13 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11068, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-10-13T06:41:27+00:00", "utc": "1983-10-13T06:41:27Z", "ms": 434875286685.9585 }, "end": { "local": "1983-10-14T08:49:28+00:00", "utc": "1983-10-14T08:49:28Z", "ms": 434969368374.752 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-13T06:41:27+00:00", "utc": "1983-10-13T06:41:27Z", "ms": 434875286685.9585 }, "end": { "local": "1983-10-14T08:49:28+00:00", "utc": "1983-10-14T08:49:28Z", "ms": 434969368374.752 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-10-13", "window": { "start": { "local": "1983-10-13T11:54:10+00:00", "utc": "1983-10-13T11:54:10Z", "ms": 434894050395.1428 }, "end": { "local": "1983-10-13T12:42:10+00:00", "utc": "1983-10-13T12:42:10Z", "ms": 434896930395.1428 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-14", "window": { "start": { "local": "1983-10-14T11:53:56+00:00", "utc": "1983-10-14T11:53:56Z", "ms": 434980436080.0467 }, "end": { "local": "1983-10-14T12:41:56+00:00", "utc": "1983-10-14T12:41:56Z", "ms": 434983316080.0467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:41 on Thu 13 Oct to 08:49 on Fri 14 Oct.", "fact": "1983-10-13T06:41:27Z → 1983-10-14T08:49:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 13th, 11:54–12:42 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11068 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Bamako, 1983: Thursday 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": "1983-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-13", "confidence": "determinate" } ], "quote": "In Bamako, Mahāṣṭamī (Durga Ashtami) 1983 falls on Thursday 13 October. Aṣṭamī runs from 06:41 on Thu 13 Oct to 08:49 on Fri 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2240, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1983-10-14T08:49:28+00:00", "utc": "1983-10-14T08:49:28Z", "ms": 434969368374.752 }, "end": { "local": "1983-10-15T11:16:22+00:00", "utc": "1983-10-15T11:16:22Z", "ms": 435064581909.4645 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-14T08:49:28+00:00", "utc": "1983-10-14T08:49:28Z", "ms": 434969368374.752 }, "end": { "local": "1983-10-15T11:16:22+00:00", "utc": "1983-10-15T11:16:22Z", "ms": 435064581909.4645 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-10-14", "window": { "start": { "local": "1983-10-14T11:53:56+00:00", "utc": "1983-10-14T11:53:56Z", "ms": 434980436080.0467 }, "end": { "local": "1983-10-14T12:41:56+00:00", "utc": "1983-10-14T12:41:56Z", "ms": 434983316080.0467 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-10-15", "window": { "start": { "local": "1983-10-15T11:53:42+00:00", "utc": "1983-10-15T11:53:42Z", "ms": 435066822285.74 }, "end": { "local": "1983-10-15T12:41:42+00:00", "utc": "1983-10-15T12:41:42Z", "ms": 435069702285.74 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 08:49 on Fri 14 Oct to 11:16 on Sat 15 Oct.", "fact": "1983-10-14T08:49:28Z → 1983-10-15T11:16:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 14th, 11:54–12:42 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2240 s" }, { "step": "ruling", "text": "Mahānavamī, Bamako, 1983: Friday 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": "1983-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-14", "confidence": "determinate" } ], "quote": "In Bamako, Mahānavamī 1983 falls on Friday 14 October. Navamī runs from 08:49 on Fri 14 Oct to 11:16 on Sat 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14571, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1983-10-15T11:16:22+00:00", "utc": "1983-10-15T11:16:22Z", "ms": 435064581909.4645 }, "end": { "local": "1983-10-16T13:47:51+00:00", "utc": "1983-10-16T13:47:51Z", "ms": 435160071389.24774 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1983-10-15T11:16:22+00:00", "utc": "1983-10-15T11:16:22Z", "ms": 435064581909.4645 }, "end": { "local": "1983-10-16T02:19:22+00:00", "utc": "1983-10-16T02:19:22Z", "ms": 435118761842.6473 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1983-10-14T23:19:15+00:00", "utc": "1983-10-14T23:19:15Z", "ms": 435021555345.83344 }, "end": { "local": "1983-10-16T02:19:22+00:00", "utc": "1983-10-16T02:19:22Z", "ms": 435118761842.6473 } } }, "kaala": "daytime", "days": [ { "local_date": "1983-10-15", "window": { "start": { "local": "1983-10-15T06:22:06+00:00", "utc": "1983-10-15T06:22:06Z", "ms": 435046926363.47784 }, "end": { "local": "1983-10-15T18:13:18+00:00", "utc": "1983-10-15T18:13:18Z", "ms": 435089598208.0021 } }, "covered_min": 417, "window_min": 711, "qualifies": true }, { "local_date": "1983-10-16", "window": { "start": { "local": "1983-10-16T06:22:13+00:00", "utc": "1983-10-16T06:22:13Z", "ms": 435133333080.4666 }, "end": { "local": "1983-10-16T18:12:45+00:00", "utc": "1983-10-16T18:12:45Z", "ms": 435175964981.76935 } }, "covered_min": 0, "window_min": 711, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 11:16 on Sat 15 Oct to 13:48 on Sun 16 Oct, and Śravaṇa from 23:19 on Fri 14 Oct to 02:19 on Sun 16 Oct. They are together from 11:16 on Sat 15 Oct to 02:19 on Sun 16 Oct.", "fact": "1983-10-15T11:16:22Z → 1983-10-16T02:19:22Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:22–18:13 on the 15th, 06:22–18:13 on the 16th.", "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 417 of 711 minutes on the 15th and 0 of 711 on the 16th.", "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 14571 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Bamako, 1983: Saturday 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": "1983-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-15", "confidence": "determinate" } ], "quote": "In Bamako, Vijayā Daśamī (Dussehra) 1983 falls on Saturday 15 October. Daśamī runs from 11:16 on Sat 15 Oct to 13:48 on Sun 16 Oct and is with Śravaṇa in the day time that day, for 417 minutes.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-10-17", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26738, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-10-16T13:47:51+00:00", "utc": "1983-10-16T13:47:51Z", "ms": 435160071389.24774 }, "end": { "local": "1983-10-17T16:10:59+00:00", "utc": "1983-10-17T16:10:59Z", "ms": 435255059061.5471 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-16T13:47:51+00:00", "utc": "1983-10-16T13:47:51Z", "ms": 435160071389.24774 }, "end": { "local": "1983-10-17T16:10:59+00:00", "utc": "1983-10-17T16:10:59Z", "ms": 435255059061.5471 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-10-16", "window": { "start": { "local": "1983-10-16T06:22:13+00:00", "utc": "1983-10-16T06:22:13Z", "ms": 435133333080.4666 }, "end": { "local": "1983-10-16T06:22:13+00:00", "utc": "1983-10-16T06:22:13Z", "ms": 435133333080.4666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-10-17", "window": { "start": { "local": "1983-10-17T06:22:20+00:00", "utc": "1983-10-17T06:22:20Z", "ms": 435219740269.5326 }, "end": { "local": "1983-10-17T06:22:20+00:00", "utc": "1983-10-17T06:22:20Z", "ms": 435219740269.5326 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:48 on Sun 16 Oct to 16:11 on Mon 17 Oct.", "fact": "1983-10-16T13:47:51Z → 1983-10-17T16:10:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 16th and 06:22 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 26738 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Bamako, 1983: Monday 17 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": "1983-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-17", "confidence": "determinate" } ], "quote": "In Bamako, Pāśāṅkuśā Ekādaśī 1983 falls on Monday 17 October. Ekādaśī runs from 13:48 on Sun 16 Oct to 16:11 on Mon 17 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-10-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-19", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 245, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-10-18T18:15:45+00:00", "utc": "1983-10-18T18:15:45Z", "ms": 435348945218.64325 }, "end": { "local": "1983-10-19T19:55:51+00:00", "utc": "1983-10-19T19:55:51Z", "ms": 435441350647.78827 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1983-10-18T18:15:45+00:00", "utc": "1983-10-18T18:15:45Z", "ms": 435348945218.64325 }, "end": { "local": "1983-10-19T19:55:51+00:00", "utc": "1983-10-19T19:55:51Z", "ms": 435441350647.78827 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-10-18", "window": { "start": { "local": "1983-10-18T18:11:40+00:00", "utc": "1983-10-18T18:11:40Z", "ms": 435348700488.94073 }, "end": { "local": "1983-10-18T19:49:08+00:00", "utc": "1983-10-18T19:49:08Z", "ms": 435354547906.76044 } }, "covered_min": 93, "window_min": 97, "qualifies": true }, { "local_date": "1983-10-19", "window": { "start": { "local": "1983-10-19T18:11:09+00:00", "utc": "1983-10-19T18:11:09Z", "ms": 435435069269.66705 }, "end": { "local": "1983-10-19T19:48:42+00:00", "utc": "1983-10-19T19:48:42Z", "ms": 435440922009.18317 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:16 on Tue 18 Oct to 19:56 on Wed 19 Oct.", "fact": "1983-10-18T18:15:45Z → 1983-10-19T19:55:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:49 on the 18th, 18:11–19:49 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 93 of 97 minutes on the 18th and 98 of 98 on the 19th.", "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 245 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Wednesday 19 October.", "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": "1983-10-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-18", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Wednesday 19 October. Trayodaśī runs from 18:16 on Tue 18 Oct to 19:56 on Wed 19 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 93 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1360, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-10-24T21:38:50+00:00", "utc": "1983-10-24T21:38:50Z", "ms": 435879530451.3784 }, "end": { "local": "1983-10-25T20:51:01+00:00", "utc": "1983-10-25T20:51:01Z", "ms": 435963060530.25256 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-10-24T21:38:50+00:00", "utc": "1983-10-24T21:38:50Z", "ms": 435879530451.3784 }, "end": { "local": "1983-10-25T20:51:01+00:00", "utc": "1983-10-25T20:51:01Z", "ms": 435963060530.25256 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-10-24", "window": { "start": { "local": "1983-10-24T20:22:00+00:00", "utc": "1983-10-24T20:22:00Z", "ms": 435874920018.23566 }, "end": { "local": "1983-10-24T20:22:00+00:00", "utc": "1983-10-24T20:22:00Z", "ms": 435874920018.23566 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-10-25", "window": { "start": { "local": "1983-10-25T21:13:40+00:00", "utc": "1983-10-25T21:13:40Z", "ms": 435964420390.29846 }, "end": { "local": "1983-10-25T21:13:40+00:00", "utc": "1983-10-25T21:13:40Z", "ms": 435964420390.29846 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:39 on Mon 24 Oct to 20:51 on Tue 25 Oct.", "fact": "1983-10-24T21:38:50Z → 1983-10-25T20:51:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 24th and 21:14 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 1360 s" }, { "step": "ruling", "text": "Karaka Caturthī, Bamako, 1983: Monday 24 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1983-10-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-24", "confidence": "boundary" } ], "quote": "In Bamako, Karaka Caturthī (Karwa Chauth) 1983 falls on Monday 24 October. Caturthī runs from 21:39 on Mon 24 Oct to 20:51 on Tue 25 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-10-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1360, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-10-24T21:38:50+00:00", "utc": "1983-10-24T21:38:50Z", "ms": 435879530451.3784 }, "end": { "local": "1983-10-25T20:51:01+00:00", "utc": "1983-10-25T20:51:01Z", "ms": 435963060530.25256 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-10-24T21:38:50+00:00", "utc": "1983-10-24T21:38:50Z", "ms": 435879530451.3784 }, "end": { "local": "1983-10-25T20:51:01+00:00", "utc": "1983-10-25T20:51:01Z", "ms": 435963060530.25256 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-10-24", "window": { "start": { "local": "1983-10-24T20:22:00+00:00", "utc": "1983-10-24T20:22:00Z", "ms": 435874920018.23566 }, "end": { "local": "1983-10-24T20:22:00+00:00", "utc": "1983-10-24T20:22:00Z", "ms": 435874920018.23566 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-10-25", "window": { "start": { "local": "1983-10-25T21:13:40+00:00", "utc": "1983-10-25T21:13:40Z", "ms": 435964420390.29846 }, "end": { "local": "1983-10-25T21:13:40+00:00", "utc": "1983-10-25T21:13:40Z", "ms": 435964420390.29846 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:39 on Mon 24 Oct to 20:51 on Tue 25 Oct.", "fact": "1983-10-24T21:38:50Z → 1983-10-25T20:51:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 24th and 21:14 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1360 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Monday 24 October.", "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": "1983-10-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-24", "confidence": "boundary" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Monday 24 October. Caturthī runs from 21:39 on Mon 24 Oct to 20:51 on Tue 25 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27336, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-10-28T16:34:50+00:00", "utc": "1983-10-28T16:34:50Z", "ms": 436206890251.9052 }, "end": { "local": "1983-10-29T14:34:45+00:00", "utc": "1983-10-29T14:34:45Z", "ms": 436286084803.43445 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-10-28T16:34:50+00:00", "utc": "1983-10-28T16:34:50Z", "ms": 436206890251.9052 }, "end": { "local": "1983-10-29T14:34:45+00:00", "utc": "1983-10-29T14:34:45Z", "ms": 436286084803.43445 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-10-28", "window": { "start": { "local": "1983-10-29T00:10:27+00:00", "utc": "1983-10-29T00:10:27Z", "ms": 436234226748.56323 }, "end": { "local": "1983-10-29T00:10:27+00:00", "utc": "1983-10-29T00:10:27Z", "ms": 436234226748.56323 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-10-29", "window": { "start": { "local": "1983-10-30T01:11:29+00:00", "utc": "1983-10-30T01:11:29Z", "ms": 436324289325.6546 }, "end": { "local": "1983-10-30T01:11:29+00:00", "utc": "1983-10-30T01:11:29Z", "ms": 436324289325.6546 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:35 on Fri 28 Oct to 14:35 on Sat 29 Oct.", "fact": "1983-10-28T16:34:50Z → 1983-10-29T14:34:45Z" }, { "step": "kaala", "text": "Moonrise is at 00:10 on the 28th and 01:11 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 27336 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Bamako, 1983: Friday 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": "1983-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-10-28", "confidence": "determinate" } ], "quote": "In Bamako, Ahoyī Aṣṭamī 1983 falls on Friday 28 October. Aṣṭamī runs from 16:35 on Fri 28 Oct to 14:35 on Sat 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-11-01", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3412, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-10-31T09:54:22+00:00", "utc": "1983-10-31T09:54:22Z", "ms": 436442062017.9796 }, "end": { "local": "1983-11-01T07:22:06+00:00", "utc": "1983-11-01T07:22:06Z", "ms": 436519326159.92096 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-10-31T09:54:22+00:00", "utc": "1983-10-31T09:54:22Z", "ms": 436442062017.9796 }, "end": { "local": "1983-11-01T07:22:06+00:00", "utc": "1983-11-01T07:22:06Z", "ms": 436519326159.92096 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-10-31", "window": { "start": { "local": "1983-10-31T06:24:58+00:00", "utc": "1983-10-31T06:24:58Z", "ms": 436429498408.4278 }, "end": { "local": "1983-10-31T06:24:58+00:00", "utc": "1983-10-31T06:24:58Z", "ms": 436429498408.4278 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-11-01", "window": { "start": { "local": "1983-11-01T06:25:14+00:00", "utc": "1983-11-01T06:25:14Z", "ms": 436515914275.537 }, "end": { "local": "1983-11-01T06:25:14+00:00", "utc": "1983-11-01T06:25:14Z", "ms": 436515914275.537 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:54 on Mon 31 Oct to 07:22 on Tue 1 Nov.", "fact": "1983-10-31T09:54:22Z → 1983-11-01T07:22:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 31st and 06:25 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 3412 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Bamako, 1983: Tuesday 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": "1983-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-01", "confidence": "determinate" } ], "quote": "In Bamako, Ramā Ekādaśī 1983 falls on Tuesday 1 November. Ekādaśī runs from 09:54 on Mon 31 Oct to 07:22 on Tue 1 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32703, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-11-01T07:22:06+00:00", "utc": "1983-11-01T07:22:06Z", "ms": 436519326159.92096 }, "end": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-01T07:22:06+00:00", "utc": "1983-11-01T07:22:06Z", "ms": 436519326159.92096 }, "end": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-10-31", "window": { "start": { "local": "1983-10-31T18:05:57+00:00", "utc": "1983-10-31T18:05:57Z", "ms": 436471557143.9735 }, "end": { "local": "1983-10-31T19:44:31+00:00", "utc": "1983-10-31T19:44:31Z", "ms": 436477471428.18195 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1983-11-01", "window": { "start": { "local": "1983-11-01T18:05:37+00:00", "utc": "1983-11-01T18:05:37Z", "ms": 436557936987.3856 }, "end": { "local": "1983-11-01T19:44:16+00:00", "utc": "1983-11-01T19:44:16Z", "ms": 436563856160.5152 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:22 on Tue 1 Nov to 04:49 on Wed 2 Nov.", "fact": "1983-11-01T07:22:06Z → 1983-11-02T04:49:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:45 on the 31st, 18:06–19:44 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 31st and 99 of 99 on the 1st.", "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 32703 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Bamako, 1983: Tuesday 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": "1983-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-01", "confidence": "determinate" } ], "quote": "In Bamako, Govatsa Dvādaśī (Vasu Baras) 1983 falls on Tuesday 1 November. Dvādaśī runs from 07:22 on Tue 1 Nov to 04:49 on Wed 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23939, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 }, "end": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 }, "end": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-11-01", "window": { "start": { "local": "1983-11-01T18:05:37+00:00", "utc": "1983-11-01T18:05:37Z", "ms": 436557936987.3856 }, "end": { "local": "1983-11-01T19:44:16+00:00", "utc": "1983-11-01T19:44:16Z", "ms": 436563856160.5152 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1983-11-02", "window": { "start": { "local": "1983-11-02T18:05:18+00:00", "utc": "1983-11-02T18:05:18Z", "ms": 436644317812.4344 }, "end": { "local": "1983-11-02T19:44:02+00:00", "utc": "1983-11-02T19:44:02Z", "ms": 436650241829.19684 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:49 on Wed 2 Nov to 02:23 on Thu 3 Nov.", "fact": "1983-11-02T04:49:19Z → 1983-11-03T02:23:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 1st, 18:05–19:44 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 0 of 99 minutes on the 1st and 99 of 99 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23939 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Bamako, 1983: Wednesday 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": "1983-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-02", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dīpadāna 1983 falls on Wednesday 2 November. Trayodaśī runs from 04:49 on Wed 2 Nov to 02:23 on Thu 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-11-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23939, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 }, "end": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-02T04:49:19+00:00", "utc": "1983-11-02T04:49:19Z", "ms": 436596558680.7006 }, "end": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-11-01", "window": { "start": { "local": "1983-11-01T18:05:37+00:00", "utc": "1983-11-01T18:05:37Z", "ms": 436557936987.3856 }, "end": { "local": "1983-11-01T19:44:16+00:00", "utc": "1983-11-01T19:44:16Z", "ms": 436563856160.5152 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1983-11-02", "window": { "start": { "local": "1983-11-02T18:05:18+00:00", "utc": "1983-11-02T18:05:18Z", "ms": 436644317812.4344 }, "end": { "local": "1983-11-02T19:44:02+00:00", "utc": "1983-11-02T19:44:02Z", "ms": 436650241829.19684 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:49 on Wed 2 Nov to 02:23 on Thu 3 Nov.", "fact": "1983-11-02T04:49:19Z → 1983-11-03T02:23:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 1st, 18:05–19:44 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 0 of 99 minutes on the 1st and 99 of 99 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 23939 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Wednesday 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": "1983-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-02", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Wednesday 2 November. Trayodaśī runs from 04:49 on Wed 2 Nov to 02:23 on Thu 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8643, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "end": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "end": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 } }, "kaala": "arunodaya", "days": [ { "local_date": "1983-11-03", "window": { "start": { "local": "1983-11-03T04:47:04+00:00", "utc": "1983-11-03T04:47:04Z", "ms": 436682823921.39014 }, "end": { "local": "1983-11-03T06:25:48+00:00", "utc": "1983-11-03T06:25:48Z", "ms": 436688747938.1526 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1983-11-04", "window": { "start": { "local": "1983-11-04T04:47:17+00:00", "utc": "1983-11-04T04:47:17Z", "ms": 436769236916.6037 }, "end": { "local": "1983-11-04T06:26:06+00:00", "utc": "1983-11-04T06:26:06Z", "ms": 436775165729.7437 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:23 on Thu 3 Nov to 00:11 on Fri 4 Nov.", "fact": "1983-11-03T02:23:01Z → 1983-11-04T00:10:57Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:47–06:26 on the 3rd, 04:47–06:26 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 99 of 99 minutes on the 3rd and 0 of 99 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 8643 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Bamako, 1983: Thursday 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": "1983-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-03", "confidence": "determinate" } ], "quote": "In Bamako, Naraka Caturdaśī (Choti Diwali) 1983 falls on Thursday 3 November. Caturdaśī runs from 02:23 on Thu 3 Nov to 00:11 on Fri 4 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1164, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "end": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "end": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 } }, "kaala": "nishita", "days": [ { "local_date": "1983-11-03", "window": { "start": { "local": "1983-11-03T23:51:33+00:00", "utc": "1983-11-03T23:51:33Z", "ms": 436751492680.46857 }, "end": { "local": "1983-11-04T00:39:33+00:00", "utc": "1983-11-04T00:39:33Z", "ms": 436754372680.46857 } }, "covered_min": 29, "window_min": 48, "qualifies": true }, { "local_date": "1983-11-04", "window": { "start": { "local": "1983-11-04T23:51:33+00:00", "utc": "1983-11-04T23:51:33Z", "ms": 436837893305.6039 }, "end": { "local": "1983-11-05T00:39:33+00:00", "utc": "1983-11-05T00:39:33Z", "ms": 436840773305.6039 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 00:11 on Fri 4 Nov to 22:21 on Fri 4 Nov.", "fact": "1983-11-04T00:10:57Z → 1983-11-04T22:21:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 3rd, 23:52–00:40 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 29 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1164 s" }, { "step": "ruling", "text": "Kālī Pūjā, Bamako, 1983: Thursday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-03", "confidence": "determinate" } ], "quote": "In Bamako, Kālī Pūjā 1983 falls on Thursday 3 November. Amāvasyā runs from 00:11 on Fri 4 Nov to 22:21 on Fri 4 Nov and covers 29 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/shivaratri?on=1983-11-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1164, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "end": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-03T02:23:01+00:00", "utc": "1983-11-03T02:23:01Z", "ms": 436674180888.4357 }, "end": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 } }, "kaala": "nishita", "days": [ { "local_date": "1983-11-02", "window": { "start": { "local": "1983-11-02T23:51:33+00:00", "utc": "1983-11-02T23:51:33Z", "ms": 436665092875.29346 }, "end": { "local": "1983-11-03T00:39:33+00:00", "utc": "1983-11-03T00:39:33Z", "ms": 436667972875.29346 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-03", "window": { "start": { "local": "1983-11-03T23:51:33+00:00", "utc": "1983-11-03T23:51:33Z", "ms": 436751492680.46857 }, "end": { "local": "1983-11-04T00:39:33+00:00", "utc": "1983-11-04T00:39:33Z", "ms": 436754372680.46857 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:23 on Thu 3 Nov to 00:11 on Fri 4 Nov.", "fact": "1983-11-03T02:23:01Z → 1983-11-04T00:10:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 2nd, 23:52–00:40 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 19 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 1164 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Thursday 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": "1983-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-03", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Thursday 3 November. Caturdaśī runs from 02:23 on Thu 3 Nov to 00:11 on Fri 4 Nov and covers 19 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9451, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "end": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-04T00:10:57+00:00", "utc": "1983-11-04T00:10:57Z", "ms": 436752657083.8182 }, "end": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-11-03", "window": { "start": { "local": "1983-11-03T18:05:00+00:00", "utc": "1983-11-03T18:05:00Z", "ms": 436730699631.1934 }, "end": { "local": "1983-11-03T19:43:48+00:00", "utc": "1983-11-03T19:43:48Z", "ms": 436736628444.33344 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1983-11-04", "window": { "start": { "local": "1983-11-04T18:04:42+00:00", "utc": "1983-11-04T18:04:42Z", "ms": 436817082454.6069 }, "end": { "local": "1983-11-04T19:43:36+00:00", "utc": "1983-11-04T19:43:36Z", "ms": 436823016014.87274 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 00:11 on Fri 4 Nov to 22:21 on Fri 4 Nov.", "fact": "1983-11-04T00:10:57Z → 1983-11-04T22:21:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:44 on the 3rd, 18:05–19:44 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 99 minutes on the 3rd and 99 of 99 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 9451 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Bamako, 1983: Friday 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": "1983-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-04", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pūjā (Diwali) 1983 falls on Friday 4 November. Amāvasyā runs from 00:11 on Fri 4 Nov to 22:21 on Fri 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30106, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-04", "window": { "start": { "local": "1983-11-04T11:51:24+00:00", "utc": "1983-11-04T11:51:24Z", "ms": 436794684092.1753 }, "end": { "local": "1983-11-04T12:39:24+00:00", "utc": "1983-11-04T12:39:24Z", "ms": 436797564092.1753 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-05", "window": { "start": { "local": "1983-11-05T11:51:25+00:00", "utc": "1983-11-05T11:51:25Z", "ms": 436881085224.6791 }, "end": { "local": "1983-11-05T12:39:25+00:00", "utc": "1983-11-05T12:39:25Z", "ms": 436883965224.6791 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov.", "fact": "1983-11-04T22:21:07Z → 1983-11-05T21:01:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:51–12:39 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 30106 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Bamako, 1983: Saturday 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": "1983-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-05", "confidence": "determinate" } ], "quote": "In Bamako, Govardhana Pūjā 1983 falls on Saturday 5 November. Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4666, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-11-04", "window": { "start": { "local": "1983-11-04T18:04:42+00:00", "utc": "1983-11-04T18:04:42Z", "ms": 436817082454.6069 }, "end": { "local": "1983-11-04T19:43:36+00:00", "utc": "1983-11-04T19:43:36Z", "ms": 436823016014.87274 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1983-11-05", "window": { "start": { "local": "1983-11-05T18:04:26+00:00", "utc": "1983-11-05T18:04:26Z", "ms": 436903466292.7574 }, "end": { "local": "1983-11-05T19:43:25+00:00", "utc": "1983-11-05T19:43:25Z", "ms": 436909404548.87976 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov.", "fact": "1983-11-04T22:21:07Z → 1983-11-05T21:01:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:44 on the 4th, 18:04–19:43 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 99 minutes on the 4th and 99 of 99 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 4666 s" }, { "step": "ruling", "text": "Bali Pūjā, Bamako, 1983: Saturday 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": "1983-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-05", "confidence": "determinate" } ], "quote": "In Bamako, Bali Pūjā 1983 falls on Saturday 5 November. Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29117, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-04T22:21:07+00:00", "utc": "1983-11-04T22:21:07Z", "ms": 436832467048.85187 }, "end": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 } }, "kaala": "purvahna", "days": [ { "local_date": "1983-11-05", "window": { "start": { "local": "1983-11-05T06:26:24+00:00", "utc": "1983-11-05T06:26:24Z", "ms": 436861584156.6008 }, "end": { "local": "1983-11-05T10:19:05+00:00", "utc": "1983-11-05T10:19:05Z", "ms": 436875544868.653 } }, "covered_min": 233, "window_min": 233, "qualifies": true }, { "local_date": "1983-11-06", "window": { "start": { "local": "1983-11-06T06:26:43+00:00", "utc": "1983-11-06T06:26:43Z", "ms": 436948003213.6754 }, "end": { "local": "1983-11-06T10:19:13+00:00", "utc": "1983-11-06T10:19:13Z", "ms": 436961952527.5193 } }, "covered_min": 0, "window_min": 232, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov.", "fact": "1983-11-04T22:21:07Z → 1983-11-05T21:01:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:26–10:19 on the 5th, 06:27–10:19 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 233 of 233 minutes on the 5th and 0 of 232 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 29117 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Bamako, 1983: Saturday 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": "1983-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-05", "confidence": "determinate" } ], "quote": "In Bamako, Dyūta Pratipad 1983 falls on Saturday 5 November. Pratipadā runs from 22:21 on Fri 4 Nov to 21:01 on Sat 5 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27498, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 }, "end": { "local": "1983-11-06T20:17:46+00:00", "utc": "1983-11-06T20:17:46Z", "ms": 436997865511.1991 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-05T21:01:11+00:00", "utc": "1983-11-05T21:01:11Z", "ms": 436914070970.73346 }, "end": { "local": "1983-11-06T20:17:46+00:00", "utc": "1983-11-06T20:17:46Z", "ms": 436997865511.1991 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-05", "window": { "start": { "local": "1983-11-05T11:51:25+00:00", "utc": "1983-11-05T11:51:25Z", "ms": 436881085224.6791 }, "end": { "local": "1983-11-05T12:39:25+00:00", "utc": "1983-11-05T12:39:25Z", "ms": 436883965224.6791 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-06", "window": { "start": { "local": "1983-11-06T11:51:27+00:00", "utc": "1983-11-06T11:51:27Z", "ms": 436967487184.4412 }, "end": { "local": "1983-11-06T12:39:27+00:00", "utc": "1983-11-06T12:39:27Z", "ms": 436970367184.4412 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:01 on Sat 5 Nov to 20:18 on Sun 6 Nov.", "fact": "1983-11-05T21:01:11Z → 1983-11-06T20:17:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 5th, 11:51–12:39 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 27498 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Bamako, 1983: Sunday 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": "1983-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-06", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dvitīyā (Bhai Dooj) 1983 falls on Sunday 6 November. Dvitīyā runs from 21:01 on Sat 5 Nov to 20:18 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27361, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-11-07T20:15:31+00:00", "utc": "1983-11-07T20:15:31Z", "ms": 437084130864.046 }, "end": { "local": "1983-11-08T20:56:12+00:00", "utc": "1983-11-08T20:56:12Z", "ms": 437172972461.87067 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-07T20:15:31+00:00", "utc": "1983-11-07T20:15:31Z", "ms": 437084130864.046 }, "end": { "local": "1983-11-08T20:56:12+00:00", "utc": "1983-11-08T20:56:12Z", "ms": 437172972461.87067 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-07", "window": { "start": { "local": "1983-11-07T11:51:30+00:00", "utc": "1983-11-07T11:51:30Z", "ms": 437053889973.24817 }, "end": { "local": "1983-11-07T12:39:30+00:00", "utc": "1983-11-07T12:39:30Z", "ms": 437056769973.24817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-08", "window": { "start": { "local": "1983-11-08T11:51:34+00:00", "utc": "1983-11-08T11:51:34Z", "ms": 437140293592.6206 }, "end": { "local": "1983-11-08T12:39:34+00:00", "utc": "1983-11-08T12:39:34Z", "ms": 437143173592.6206 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Mon 7 Nov to 20:56 on Tue 8 Nov.", "fact": "1983-11-07T20:15:31Z → 1983-11-08T20:56:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:52–12:40 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 48 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 27361 s" }, { "step": "ruling", "text": "Nāga Caturthī, Bamako, 1983: Tuesday 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": "1983-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-08", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Caturthī 1983 falls on Tuesday 8 November. Caturthī runs from 20:16 on Mon 7 Nov to 20:56 on Tue 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-11-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27361, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-11-07T20:15:31+00:00", "utc": "1983-11-07T20:15:31Z", "ms": 437084130864.046 }, "end": { "local": "1983-11-08T20:56:12+00:00", "utc": "1983-11-08T20:56:12Z", "ms": 437172972461.87067 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-07T20:15:31+00:00", "utc": "1983-11-07T20:15:31Z", "ms": 437084130864.046 }, "end": { "local": "1983-11-08T20:56:12+00:00", "utc": "1983-11-08T20:56:12Z", "ms": 437172972461.87067 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-07", "window": { "start": { "local": "1983-11-07T11:51:30+00:00", "utc": "1983-11-07T11:51:30Z", "ms": 437053889973.24817 }, "end": { "local": "1983-11-07T12:39:30+00:00", "utc": "1983-11-07T12:39:30Z", "ms": 437056769973.24817 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-08", "window": { "start": { "local": "1983-11-08T11:51:34+00:00", "utc": "1983-11-08T11:51:34Z", "ms": 437140293592.6206 }, "end": { "local": "1983-11-08T12:39:34+00:00", "utc": "1983-11-08T12:39:34Z", "ms": 437143173592.6206 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:16 on Mon 7 Nov to 20:56 on Tue 8 Nov.", "fact": "1983-11-07T20:15:31Z → 1983-11-08T20:56:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:52–12:40 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 48 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 27361 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Tuesday 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": "1983-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-08", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Tuesday 8 November. Caturthī runs from 20:16 on Mon 7 Nov to 20:56 on Tue 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34690, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-11-09T22:17:48+00:00", "utc": "1983-11-09T22:17:48Z", "ms": 437264267666.62695 }, "end": { "local": "1983-11-11T00:13:55+00:00", "utc": "1983-11-11T00:13:55Z", "ms": 437357635249.7106 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-09T22:17:48+00:00", "utc": "1983-11-09T22:17:48Z", "ms": 437264267666.62695 }, "end": { "local": "1983-11-11T00:13:55+00:00", "utc": "1983-11-11T00:13:55Z", "ms": 437357635249.7106 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-09", "window": { "start": { "local": "1983-11-09T11:51:38+00:00", "utc": "1983-11-09T11:51:38Z", "ms": 437226698043.9035 }, "end": { "local": "1983-11-09T12:39:38+00:00", "utc": "1983-11-09T12:39:38Z", "ms": 437229578043.9035 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-10", "window": { "start": { "local": "1983-11-10T11:51:43+00:00", "utc": "1983-11-10T11:51:43Z", "ms": 437313103328.25476 }, "end": { "local": "1983-11-10T12:39:43+00:00", "utc": "1983-11-10T12:39:43Z", "ms": 437315983328.25476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:18 on Wed 9 Nov to 00:14 on Fri 11 Nov.", "fact": "1983-11-09T22:17:48Z → 1983-11-11T00:13:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 9th, 11:52–12:40 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 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34690 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Bamako, 1983: Thursday 10 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": "1983-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-10", "confidence": "determinate" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Chhath) 1983 falls on Thursday 10 November. Ṣaṣṭhī runs from 22:18 on Wed 9 Nov to 00:14 on Fri 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24421, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1983-11-12T02:34:08+00:00", "utc": "1983-11-12T02:34:08Z", "ms": 437452448327.4031 }, "end": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-12T02:34:08+00:00", "utc": "1983-11-12T02:34:08Z", "ms": 437452448327.4031 }, "end": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-12", "window": { "start": { "local": "1983-11-12T11:51:56+00:00", "utc": "1983-11-12T11:51:56Z", "ms": 437485916399.40625 }, "end": { "local": "1983-11-12T12:39:56+00:00", "utc": "1983-11-12T12:39:56Z", "ms": 437488796399.40625 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-11-13", "window": { "start": { "local": "1983-11-13T11:52:04+00:00", "utc": "1983-11-13T11:52:04Z", "ms": 437572324186.8692 }, "end": { "local": "1983-11-13T12:40:04+00:00", "utc": "1983-11-13T12:40:04Z", "ms": 437575204186.8692 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:34 on Sat 12 Nov to 05:05 on Sun 13 Nov.", "fact": "1983-11-12T02:34:08Z → 1983-11-13T05:05:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 12th, 11:52–12:40 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24421 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Bamako, 1983: Saturday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-12", "confidence": "determinate" } ], "quote": "In Bamako, Gopāṣṭamī 1983 falls on Saturday 12 November. Aṣṭamī runs from 02:34 on Sat 12 Nov to 05:05 on Sun 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-13", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3756, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 }, "end": { "local": "1983-11-14T07:32:14+00:00", "utc": "1983-11-14T07:32:14Z", "ms": 437643133883.8906 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 }, "end": { "local": "1983-11-14T07:32:14+00:00", "utc": "1983-11-14T07:32:14Z", "ms": 437643133883.8906 } }, "kaala": "purvahna", "days": [ { "local_date": "1983-11-13", "window": { "start": { "local": "1983-11-13T06:29:14+00:00", "utc": "1983-11-13T06:29:14Z", "ms": 437552953733.91144 }, "end": { "local": "1983-11-13T10:20:27+00:00", "utc": "1983-11-13T10:20:27Z", "ms": 437566827369.2166 } }, "covered_min": 231, "window_min": 231, "qualifies": true }, { "local_date": "1983-11-14", "window": { "start": { "local": "1983-11-14T06:29:38+00:00", "utc": "1983-11-14T06:29:38Z", "ms": 437639377597.8618 }, "end": { "local": "1983-11-14T10:20:41+00:00", "utc": "1983-11-14T10:20:41Z", "ms": 437653241071.682 } }, "covered_min": 63, "window_min": 231, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:05 on Sun 13 Nov to 07:32 on Mon 14 Nov.", "fact": "1983-11-13T05:05:03Z → 1983-11-14T07:32:14Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:29–10:20 on the 13th, 06:30–10:21 on the 14th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 231 of 231 minutes on the 13th and 63 of 231 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 3756 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Bamako, 1983: Sunday 13 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-11-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-13", "confidence": "boundary" } ], "quote": "In Bamako, Akṣaya Navamī (Amla Navami) 1983 falls on Sunday 13 November. Navamī runs from 05:05 on Sun 13 Nov to 07:32 on Mon 14 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 63 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/bamako/festivals/1983/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": "/bamako/festivals/1983/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15599, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 }, "end": { "local": "1983-11-14T07:32:14+00:00", "utc": "1983-11-14T07:32:14Z", "ms": 437643133883.8906 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-13T05:05:03+00:00", "utc": "1983-11-13T05:05:03Z", "ms": 437547902975.1497 }, "end": { "local": "1983-11-14T07:32:14+00:00", "utc": "1983-11-14T07:32:14Z", "ms": 437643133883.8906 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-13", "window": { "start": { "local": "1983-11-13T11:52:04+00:00", "utc": "1983-11-13T11:52:04Z", "ms": 437572324186.8692 }, "end": { "local": "1983-11-13T12:40:04+00:00", "utc": "1983-11-13T12:40:04Z", "ms": 437575204186.8692 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-11-14", "window": { "start": { "local": "1983-11-14T11:52:13+00:00", "utc": "1983-11-14T11:52:13Z", "ms": 437658732808.59204 }, "end": { "local": "1983-11-14T12:40:13+00:00", "utc": "1983-11-14T12:40:13Z", "ms": 437661612808.59204 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 05:05 on Sun 13 Nov to 07:32 on Mon 14 Nov.", "fact": "1983-11-13T05:05:03Z → 1983-11-14T07:32:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 13th, 11:52–12:40 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 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15599 s" }, { "step": "ruling", "text": "Durgā Navamī, Bamako, 1983: Sunday 13 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": "1983-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-13", "confidence": "determinate" } ], "quote": "In Bamako, Durgā Navamī 1983 falls on Sunday 13 November. Navamī runs from 05:05 on Sun 13 Nov to 07:32 on Mon 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-11-16", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11544, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-11-15T09:42:26+00:00", "utc": "1983-11-15T09:42:26Z", "ms": 437737345567.63806 }, "end": { "local": "1983-11-16T11:25:19+00:00", "utc": "1983-11-16T11:25:19Z", "ms": 437829919238.9149 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-15T09:42:26+00:00", "utc": "1983-11-15T09:42:26Z", "ms": 437737345567.63806 }, "end": { "local": "1983-11-16T11:25:19+00:00", "utc": "1983-11-16T11:25:19Z", "ms": 437829919238.9149 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-11-15", "window": { "start": { "local": "1983-11-15T06:30:02+00:00", "utc": "1983-11-15T06:30:02Z", "ms": 437725802027.8844 }, "end": { "local": "1983-11-15T06:30:02+00:00", "utc": "1983-11-15T06:30:02Z", "ms": 437725802027.8844 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-11-16", "window": { "start": { "local": "1983-11-16T06:30:27+00:00", "utc": "1983-11-16T06:30:27Z", "ms": 437812227014.7097 }, "end": { "local": "1983-11-16T06:30:27+00:00", "utc": "1983-11-16T06:30:27Z", "ms": 437812227014.7097 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:42 on Tue 15 Nov to 11:25 on Wed 16 Nov.", "fact": "1983-11-15T09:42:26Z → 1983-11-16T11:25:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 15th and 06:30 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11544 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Bamako, 1983: Wednesday 16 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": "1983-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-16", "confidence": "determinate" } ], "quote": "In Bamako, Prabodhinī Ekādaśī 1983 falls on Wednesday 16 November. Ekādaśī runs from 09:42 on Tue 15 Nov to 11:25 on Wed 16 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-11-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-11-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17713, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-11-17T12:34:28+00:00", "utc": "1983-11-17T12:34:28Z", "ms": 437920468352.71204 }, "end": { "local": "1983-11-18T13:07:20+00:00", "utc": "1983-11-18T13:07:20Z", "ms": 438008839774.3123 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-17T12:34:28+00:00", "utc": "1983-11-17T12:34:28Z", "ms": 437920468352.71204 }, "end": { "local": "1983-11-18T13:07:20+00:00", "utc": "1983-11-18T13:07:20Z", "ms": 438008839774.3123 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-11-17", "window": { "start": { "local": "1983-11-17T18:02:35+00:00", "utc": "1983-11-17T18:02:35Z", "ms": 437940154787.5427 }, "end": { "local": "1983-11-17T19:42:25+00:00", "utc": "1983-11-17T19:42:25Z", "ms": 437946144631.79834 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1983-11-18", "window": { "start": { "local": "1983-11-18T18:02:33+00:00", "utc": "1983-11-18T18:02:33Z", "ms": 438026552606.91296 }, "end": { "local": "1983-11-18T19:42:26+00:00", "utc": "1983-11-18T19:42:26Z", "ms": 438032546288.2185 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:34 on Thu 17 Nov to 13:07 on Fri 18 Nov.", "fact": "1983-11-17T12:34:28Z → 1983-11-18T13:07:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:42 on the 17th, 18:03–19:42 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 100 of 100 minutes on the 17th and 0 of 100 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 17713 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Thursday 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": "1983-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-17", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Thursday 17 November. Trayodaśī runs from 12:34 on Thu 17 Nov to 13:07 on Fri 18 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38926, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-11-19T13:04:36+00:00", "utc": "1983-11-19T13:04:36Z", "ms": 438095076230.3708 }, "end": { "local": "1983-11-20T12:29:21+00:00", "utc": "1983-11-20T12:29:21Z", "ms": 438179361348.7301 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-19T13:04:36+00:00", "utc": "1983-11-19T13:04:36Z", "ms": 438095076230.3708 }, "end": { "local": "1983-11-20T12:29:21+00:00", "utc": "1983-11-20T12:29:21Z", "ms": 438179361348.7301 } }, "kaala": "nishita", "days": [ { "local_date": "1983-11-19", "window": { "start": { "local": "1983-11-19T23:53:22+00:00", "utc": "1983-11-19T23:53:22Z", "ms": 438134001939.6782 }, "end": { "local": "1983-11-20T00:41:22+00:00", "utc": "1983-11-20T00:41:22Z", "ms": 438136881939.6782 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-11-20", "window": { "start": { "local": "1983-11-20T23:53:36+00:00", "utc": "1983-11-20T23:53:36Z", "ms": 438220415783.5001 }, "end": { "local": "1983-11-21T00:41:36+00:00", "utc": "1983-11-21T00:41:36Z", "ms": 438223295783.5001 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:05 on Sat 19 Nov to 12:29 on Sun 20 Nov.", "fact": "1983-11-19T13:04:36Z → 1983-11-20T12:29:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 19th, 23:54–00:42 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38926 s" }, { "step": "ruling", "text": "Rāsayātrā, Bamako, 1983: Saturday 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": "1983-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-19", "confidence": "determinate" } ], "quote": "In Bamako, Rāsayātrā 1983 falls on Saturday 19 November. Pūrṇimā runs from 13:05 on Sat 19 Nov to 12:29 on Sun 20 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 721, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-11-19T13:04:36+00:00", "utc": "1983-11-19T13:04:36Z", "ms": 438095076230.3708 }, "end": { "local": "1983-11-20T12:29:21+00:00", "utc": "1983-11-20T12:29:21Z", "ms": 438179361348.7301 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1983-11-19T13:04:36+00:00", "utc": "1983-11-19T13:04:36Z", "ms": 438095076230.3708 }, "end": { "local": "1983-11-20T12:29:21+00:00", "utc": "1983-11-20T12:29:21Z", "ms": 438179361348.7301 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-11-19", "window": { "start": { "local": "1983-11-19T11:53:08+00:00", "utc": "1983-11-19T11:53:08Z", "ms": 438090788383.3552 }, "end": { "local": "1983-11-19T12:41:08+00:00", "utc": "1983-11-19T12:41:08Z", "ms": 438093668383.3552 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-11-20", "window": { "start": { "local": "1983-11-20T11:53:22+00:00", "utc": "1983-11-20T11:53:22Z", "ms": 438177201975.2742 }, "end": { "local": "1983-11-20T12:41:22+00:00", "utc": "1983-11-20T12:41:22Z", "ms": 438180081975.2742 } }, "covered_min": 36, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:05 on Sat 19 Nov to 12:29 on Sun 20 Nov.", "fact": "1983-11-19T13:04:36Z → 1983-11-20T12:29:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 19th, 11:53–12:41 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 0 of 48 minutes on the 19th and 36 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 721 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Bamako, 1983: Sunday 20 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": "1983-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-20", "confidence": "boundary" } ], "quote": "In Bamako, Kārtikī Pūrṇimā 1983 falls on Sunday 20 November. Pūrṇimā runs from 13:05 on Sat 19 Nov to 12:29 on Sun 20 Nov and covers 36 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-11-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33412, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-11-23T08:16:01+00:00", "utc": "1983-11-23T08:16:01Z", "ms": 438423360560.5898 }, "end": { "local": "1983-11-24T06:19:22+00:00", "utc": "1983-11-24T06:19:22Z", "ms": 438502762274.392 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-11-23T08:16:01+00:00", "utc": "1983-11-23T08:16:01Z", "ms": 438423360560.5898 }, "end": { "local": "1983-11-24T06:19:22+00:00", "utc": "1983-11-24T06:19:22Z", "ms": 438502762274.392 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-11-22", "window": { "start": { "local": "1983-11-22T20:02:34+00:00", "utc": "1983-11-22T20:02:34Z", "ms": 438379353582.4805 }, "end": { "local": "1983-11-22T20:02:34+00:00", "utc": "1983-11-22T20:02:34Z", "ms": 438379353582.4805 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-11-23", "window": { "start": { "local": "1983-11-23T21:02:30+00:00", "utc": "1983-11-23T21:02:30Z", "ms": 438469350244.65625 }, "end": { "local": "1983-11-23T21:02:30+00:00", "utc": "1983-11-23T21:02:30Z", "ms": 438469350244.65625 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:16 on Wed 23 Nov to 06:19 on Thu 24 Nov.", "fact": "1983-11-23T08:16:01Z → 1983-11-24T06:19:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:03 on the 22nd and 21:03 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33412 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Wednesday 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": "1983-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-23", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Wednesday 23 November. Caturthī runs from 08:16 on Wed 23 Nov to 06:19 on Thu 24 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-11-30", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34076, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-11-29T17:48:23+00:00", "utc": "1983-11-29T17:48:23Z", "ms": 438976102850.1735 }, "end": { "local": "1983-11-30T16:05:04+00:00", "utc": "1983-11-30T16:05:04Z", "ms": 439056304372.55383 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-11-29T17:48:23+00:00", "utc": "1983-11-29T17:48:23Z", "ms": 438976102850.1735 }, "end": { "local": "1983-11-30T16:05:04+00:00", "utc": "1983-11-30T16:05:04Z", "ms": 439056304372.55383 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-11-29", "window": { "start": { "local": "1983-11-29T06:36:37+00:00", "utc": "1983-11-29T06:36:37Z", "ms": 438935797220.92426 }, "end": { "local": "1983-11-29T06:36:37+00:00", "utc": "1983-11-29T06:36:37Z", "ms": 438935797220.92426 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1983-11-30", "window": { "start": { "local": "1983-11-30T06:37:09+00:00", "utc": "1983-11-30T06:37:09Z", "ms": 439022228625.8175 }, "end": { "local": "1983-11-30T06:37:09+00:00", "utc": "1983-11-30T06:37:09Z", "ms": 439022228625.8175 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:48 on Tue 29 Nov to 16:05 on Wed 30 Nov.", "fact": "1983-11-29T17:48:23Z → 1983-11-30T16:05:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 29th and 06:37 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34076 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Bamako, 1983: Wednesday 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": "1983-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-11-30", "confidence": "determinate" } ], "quote": "In Bamako, Utpannā Ekādaśī 1983 falls on Wednesday 30 November. Ekādaśī runs from 17:48 on Tue 29 Nov to 16:05 on Wed 30 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-12-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12403, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-12-01T14:37:04+00:00", "utc": "1983-12-01T14:37:04Z", "ms": 439137423563.4907 }, "end": { "local": "1983-12-02T13:28:23+00:00", "utc": "1983-12-02T13:28:23Z", "ms": 439219703277.67035 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-01T14:37:04+00:00", "utc": "1983-12-01T14:37:04Z", "ms": 439137423563.4907 }, "end": { "local": "1983-12-02T13:28:23+00:00", "utc": "1983-12-02T13:28:23Z", "ms": 439219703277.67035 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-12-01", "window": { "start": { "local": "1983-12-01T18:03:47+00:00", "utc": "1983-12-01T18:03:47Z", "ms": 439149826957.9046 }, "end": { "local": "1983-12-01T19:44:22+00:00", "utc": "1983-12-01T19:44:22Z", "ms": 439155862338.54065 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1983-12-02", "window": { "start": { "local": "1983-12-02T18:04:00+00:00", "utc": "1983-12-02T18:04:00Z", "ms": 439236240430.6296 }, "end": { "local": "1983-12-02T19:44:38+00:00", "utc": "1983-12-02T19:44:38Z", "ms": 439242278310.6708 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:37 on Thu 1 Dec to 13:28 on Fri 2 Dec.", "fact": "1983-12-01T14:37:04Z → 1983-12-02T13:28:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:44 on the 1st, 18:04–19:45 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 1st and 0 of 101 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 12403 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Thursday 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": "1983-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-01", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Thursday 1 December. Trayodaśī runs from 14:37 on Thu 1 Dec to 13:28 on Fri 2 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/shivaratri?on=1983-12-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37739, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1983-12-02T13:28:23+00:00", "utc": "1983-12-02T13:28:23Z", "ms": 439219703277.67035 }, "end": { "local": "1983-12-03T12:43:17+00:00", "utc": "1983-12-03T12:43:17Z", "ms": 439303397201.3797 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-02T13:28:23+00:00", "utc": "1983-12-02T13:28:23Z", "ms": 439219703277.67035 }, "end": { "local": "1983-12-03T12:43:17+00:00", "utc": "1983-12-03T12:43:17Z", "ms": 439303397201.3797 } }, "kaala": "nishita", "days": [ { "local_date": "1983-12-02", "window": { "start": { "local": "1983-12-02T23:57:22+00:00", "utc": "1983-12-02T23:57:22Z", "ms": 439257442480.7842 }, "end": { "local": "1983-12-03T00:45:22+00:00", "utc": "1983-12-03T00:45:22Z", "ms": 439260322480.7842 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-12-03", "window": { "start": { "local": "1983-12-03T23:57:46+00:00", "utc": "1983-12-03T23:57:46Z", "ms": 439343865951.6725 }, "end": { "local": "1983-12-04T00:45:46+00:00", "utc": "1983-12-04T00:45:46Z", "ms": 439346745951.6725 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:28 on Fri 2 Dec to 12:43 on Sat 3 Dec.", "fact": "1983-12-02T13:28:23Z → 1983-12-03T12:43:17Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 2nd, 23:58–00:46 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 37739 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1983: Friday 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": "1983-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-02", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1983 falls on Friday 2 December. Caturdaśī runs from 13:28 on Fri 2 Dec to 12:43 on Sat 3 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1983/shivaratri?on=1983-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/vinayaka-chaturthi?on=1983-12-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7188, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-12-07T14:46:57+00:00", "utc": "1983-12-07T14:46:57Z", "ms": 439656416831.5416 }, "end": { "local": "1983-12-08T16:37:59+00:00", "utc": "1983-12-08T16:37:59Z", "ms": 439749479395.1448 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-07T14:46:57+00:00", "utc": "1983-12-07T14:46:57Z", "ms": 439656416831.5416 }, "end": { "local": "1983-12-08T16:37:59+00:00", "utc": "1983-12-08T16:37:59Z", "ms": 439749479395.1448 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-07", "window": { "start": { "local": "1983-12-07T11:59:09+00:00", "utc": "1983-12-07T11:59:09Z", "ms": 439646349078.9292 }, "end": { "local": "1983-12-07T12:47:09+00:00", "utc": "1983-12-07T12:47:09Z", "ms": 439649229078.9292 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-12-08", "window": { "start": { "local": "1983-12-08T11:59:35+00:00", "utc": "1983-12-08T11:59:35Z", "ms": 439732775233.53467 }, "end": { "local": "1983-12-08T12:47:35+00:00", "utc": "1983-12-08T12:47:35Z", "ms": 439735655233.53467 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:47 on Wed 7 Dec to 16:38 on Thu 8 Dec.", "fact": "1983-12-07T14:46:57Z → 1983-12-08T16:37:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 7th, 12:00–12:48 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 48 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 7188 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1983: Thursday 8 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": "1983-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-08", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1983 falls on Thursday 8 December. Caturthī runs from 14:47 on Wed 7 Dec to 16:38 on Thu 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/vinayaka-chaturthi?on=1983-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13824, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1983-12-08T16:37:59+00:00", "utc": "1983-12-08T16:37:59Z", "ms": 439749479395.1448 }, "end": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-08T16:37:59+00:00", "utc": "1983-12-08T16:37:59Z", "ms": 439749479395.1448 }, "end": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-08", "window": { "start": { "local": "1983-12-08T11:59:35+00:00", "utc": "1983-12-08T11:59:35Z", "ms": 439732775233.53467 }, "end": { "local": "1983-12-08T12:47:35+00:00", "utc": "1983-12-08T12:47:35Z", "ms": 439735655233.53467 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-12-09", "window": { "start": { "local": "1983-12-09T12:00:02+00:00", "utc": "1983-12-09T12:00:02Z", "ms": 439819201855.98596 }, "end": { "local": "1983-12-09T12:48:02+00:00", "utc": "1983-12-09T12:48:02Z", "ms": 439822081855.98596 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:38 on Thu 8 Dec to 18:53 on Fri 9 Dec.", "fact": "1983-12-08T16:37:59Z → 1983-12-09T18:53:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 8th, 12:00–12:48 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 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13824 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Bamako, 1983: Friday 9 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": "1983-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-09", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī (Mārgaśīrṣa) 1983 falls on Friday 9 December. Pañcamī runs from 16:38 on Thu 8 Dec to 18:53 on Fri 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21926, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 }, "end": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 }, "end": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-09", "window": { "start": { "local": "1983-12-09T12:00:02+00:00", "utc": "1983-12-09T12:00:02Z", "ms": 439819201855.98596 }, "end": { "local": "1983-12-09T12:48:02+00:00", "utc": "1983-12-09T12:48:02Z", "ms": 439822081855.98596 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-12-10", "window": { "start": { "local": "1983-12-10T12:00:29+00:00", "utc": "1983-12-10T12:00:29Z", "ms": 439905628915.74243 }, "end": { "local": "1983-12-10T12:48:29+00:00", "utc": "1983-12-10T12:48:29Z", "ms": 439908508915.74243 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:53 on Fri 9 Dec to 21:24 on Sat 10 Dec.", "fact": "1983-12-09T18:53:28Z → 1983-12-10T21:23:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 9th, 12:00–12:48 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 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21926 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Bamako, 1983: Saturday 10 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": "1983-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-10", "confidence": "determinate" } ], "quote": "In Bamako, Campā Ṣaṣṭhī 1983 falls on Saturday 10 December. Ṣaṣṭhī runs from 18:53 on Fri 9 Dec to 21:24 on Sat 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21926, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 }, "end": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-09T18:53:28+00:00", "utc": "1983-12-09T18:53:28Z", "ms": 439844007660.12036 }, "end": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-09", "window": { "start": { "local": "1983-12-09T12:00:02+00:00", "utc": "1983-12-09T12:00:02Z", "ms": 439819201855.98596 }, "end": { "local": "1983-12-09T12:48:02+00:00", "utc": "1983-12-09T12:48:02Z", "ms": 439822081855.98596 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-12-10", "window": { "start": { "local": "1983-12-10T12:00:29+00:00", "utc": "1983-12-10T12:00:29Z", "ms": 439905628915.74243 }, "end": { "local": "1983-12-10T12:48:29+00:00", "utc": "1983-12-10T12:48:29Z", "ms": 439908508915.74243 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:53 on Fri 9 Dec to 21:24 on Sat 10 Dec.", "fact": "1983-12-09T18:53:28Z → 1983-12-10T21:23:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 9th, 12:00–12:48 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 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21926 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Bamako, 1983: Saturday 10 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": "1983-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-10", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī 1983 falls on Saturday 10 December. Ṣaṣṭhī runs from 18:53 on Fri 9 Dec to 21:24 on Sat 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30911, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 }, "end": { "local": "1983-12-11T23:56:11+00:00", "utc": "1983-12-11T23:56:11Z", "ms": 440034970829.7324 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-10T21:23:40+00:00", "utc": "1983-12-10T21:23:40Z", "ms": 439939420355.56226 }, "end": { "local": "1983-12-11T23:56:11+00:00", "utc": "1983-12-11T23:56:11Z", "ms": 440034970829.7324 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-10", "window": { "start": { "local": "1983-12-10T12:00:29+00:00", "utc": "1983-12-10T12:00:29Z", "ms": 439905628915.74243 }, "end": { "local": "1983-12-10T12:48:29+00:00", "utc": "1983-12-10T12:48:29Z", "ms": 439908508915.74243 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1983-12-11", "window": { "start": { "local": "1983-12-11T12:00:56+00:00", "utc": "1983-12-11T12:00:56Z", "ms": 439992056382.03674 }, "end": { "local": "1983-12-11T12:48:56+00:00", "utc": "1983-12-11T12:48:56Z", "ms": 439994936382.03674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:24 on Sat 10 Dec to 23:56 on Sun 11 Dec.", "fact": "1983-12-10T21:23:40Z → 1983-12-11T23:56:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 10th, 12:01–12:49 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 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30911 s" }, { "step": "ruling", "text": "Mitra Saptamī, Bamako, 1983: Sunday 11 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": "1983-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-11", "confidence": "determinate" } ], "quote": "In Bamako, Mitra Saptamī 1983 falls on Sunday 11 December. Saptamī runs from 21:24 on Sat 10 Dec to 23:56 on Sun 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/ekadashi?on=1983-12-15", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1783, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-12-15T05:35:50+00:00", "utc": "1983-12-15T05:35:50Z", "ms": 440314550439.073 }, "end": { "local": "1983-12-16T06:16:06+00:00", "utc": "1983-12-16T06:16:06Z", "ms": 440403365640.10297 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-15T05:35:50+00:00", "utc": "1983-12-15T05:35:50Z", "ms": 440314550439.073 }, "end": { "local": "1983-12-16T06:16:06+00:00", "utc": "1983-12-16T06:16:06Z", "ms": 440403365640.10297 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-12-15", "window": { "start": { "local": "1983-12-15T06:45:17+00:00", "utc": "1983-12-15T06:45:17Z", "ms": 440318716919.1921 }, "end": { "local": "1983-12-15T06:45:17+00:00", "utc": "1983-12-15T06:45:17Z", "ms": 440318716919.1921 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-12-16", "window": { "start": { "local": "1983-12-16T06:45:49+00:00", "utc": "1983-12-16T06:45:49Z", "ms": 440405149016.4428 }, "end": { "local": "1983-12-16T06:45:49+00:00", "utc": "1983-12-16T06:45:49Z", "ms": 440405149016.4428 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:36 on Thu 15 Dec to 06:16 on Fri 16 Dec.", "fact": "1983-12-15T05:35:50Z → 1983-12-16T06:16:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 15th and 06:46 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1783 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Bamako, 1983: Thursday 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": "1983-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-15", "confidence": "determinate" } ], "quote": "In Bamako, Mokṣadā Ekādaśī 1983 falls on Thursday 15 December. Ekādaśī runs from 05:36 on Thu 15 Dec to 06:16 on Fri 16 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20833, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1983-12-16T06:16:06+00:00", "utc": "1983-12-16T06:16:06Z", "ms": 440403365640.10297 }, "end": { "local": "1983-12-17T06:12:08+00:00", "utc": "1983-12-17T06:12:08Z", "ms": 440489527702.1681 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-16T06:16:06+00:00", "utc": "1983-12-16T06:16:06Z", "ms": 440403365640.10297 }, "end": { "local": "1983-12-17T06:12:08+00:00", "utc": "1983-12-17T06:12:08Z", "ms": 440489527702.1681 } }, "kaala": "madhyahna", "days": [ { "local_date": "1983-12-16", "window": { "start": { "local": "1983-12-16T12:03:19+00:00", "utc": "1983-12-16T12:03:19Z", "ms": 440424198724.10126 }, "end": { "local": "1983-12-16T12:51:19+00:00", "utc": "1983-12-16T12:51:19Z", "ms": 440427078724.10126 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1983-12-17", "window": { "start": { "local": "1983-12-17T12:03:48+00:00", "utc": "1983-12-17T12:03:48Z", "ms": 440510627977.28235 }, "end": { "local": "1983-12-17T12:51:48+00:00", "utc": "1983-12-17T12:51:48Z", "ms": 440513507977.28235 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:16 on Fri 16 Dec to 06:12 on Sat 17 Dec.", "fact": "1983-12-16T06:16:06Z → 1983-12-17T06:12:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:04–12:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20833 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Bamako, 1983: Friday 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": "1983-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-16", "confidence": "determinate" } ], "quote": "In Bamako, Akhaṇḍa Dvādaśī 1983 falls on Friday 16 December. Dvādaśī runs from 06:16 on Fri 16 Dec to 06:12 on Sat 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/pradosha-vrata?on=1983-12-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34488, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-12-17T06:12:08+00:00", "utc": "1983-12-17T06:12:08Z", "ms": 440489527702.1681 }, "end": { "local": "1983-12-18T05:25:04+00:00", "utc": "1983-12-18T05:25:04Z", "ms": 440573104118.9747 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-17T06:12:08+00:00", "utc": "1983-12-17T06:12:08Z", "ms": 440489527702.1681 }, "end": { "local": "1983-12-18T05:25:04+00:00", "utc": "1983-12-18T05:25:04Z", "ms": 440573104118.9747 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-12-16", "window": { "start": { "local": "1983-12-16T18:08:48+00:00", "utc": "1983-12-16T18:08:48Z", "ms": 440446128431.7597 }, "end": { "local": "1983-12-16T19:49:49+00:00", "utc": "1983-12-16T19:49:49Z", "ms": 440452188755.4065 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1983-12-17", "window": { "start": { "local": "1983-12-17T18:09:15+00:00", "utc": "1983-12-17T18:09:15Z", "ms": 440532555095.45416 }, "end": { "local": "1983-12-17T19:50:16+00:00", "utc": "1983-12-17T19:50:16Z", "ms": 440538616071.3601 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:12 on Sat 17 Dec to 05:25 on Sun 18 Dec.", "fact": "1983-12-17T06:12:08Z → 1983-12-18T05:25:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:50 on the 16th, 18:09–19:50 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 101 minutes on the 16th and 101 of 101 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 34488 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1983: Saturday 17 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": "1983-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-17", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1983 falls on Saturday 17 December. Trayodaśī runs from 06:12 on Sat 17 Dec to 05:25 on Sun 18 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-12-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22144, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1983-12-19T03:59:02+00:00", "utc": "1983-12-19T03:59:02Z", "ms": 440654342045.9082 }, "end": { "local": "1983-12-20T02:00:16+00:00", "utc": "1983-12-20T02:00:16Z", "ms": 440733615804.01776 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-19T03:59:02+00:00", "utc": "1983-12-19T03:59:02Z", "ms": 440654342045.9082 }, "end": { "local": "1983-12-20T02:00:16+00:00", "utc": "1983-12-20T02:00:16Z", "ms": 440733615804.01776 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-12-18", "window": { "start": { "local": "1983-12-18T18:09:42+00:00", "utc": "1983-12-18T18:09:42Z", "ms": 440618982426.6641 }, "end": { "local": "1983-12-18T19:50:44+00:00", "utc": "1983-12-18T19:50:44Z", "ms": 440625043923.3539 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1983-12-19", "window": { "start": { "local": "1983-12-19T18:10:10+00:00", "utc": "1983-12-19T18:10:10Z", "ms": 440705410397.4464 }, "end": { "local": "1983-12-19T19:51:12+00:00", "utc": "1983-12-19T19:51:12Z", "ms": 440711472283.07947 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:59 on Mon 19 Dec to 02:00 on Tue 20 Dec.", "fact": "1983-12-19T03:59:02Z → 1983-12-20T02:00:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:51 on the 18th, 18:10–19:51 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 101 minutes on the 18th and 101 of 101 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 22144 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Bamako, 1983: Monday 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": "1983-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-19", "confidence": "determinate" } ], "quote": "In Bamako, Dattātreyotpatti (Datta Jayanti) 1983 falls on Monday 19 December. Pūrṇimā runs from 03:59 on Mon 19 Dec to 02:00 on Tue 20 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/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": "/bamako/festivals/1983/sankashta-chaturthi?on=1983-12-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10224, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1983-12-22T18:05:47+00:00", "utc": "1983-12-22T18:05:47Z", "ms": 440964346885.6374 }, "end": { "local": "1983-12-23T15:15:34+00:00", "utc": "1983-12-23T15:15:34Z", "ms": 441040534172.6774 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-22T18:05:47+00:00", "utc": "1983-12-22T18:05:47Z", "ms": 440964346885.6374 }, "end": { "local": "1983-12-23T15:15:34+00:00", "utc": "1983-12-23T15:15:34Z", "ms": 441040534172.6774 } }, "kaala": "moonrise", "days": [ { "local_date": "1983-12-22", "window": { "start": { "local": "1983-12-22T20:56:11+00:00", "utc": "1983-12-22T20:56:11Z", "ms": 440974570656.43066 }, "end": { "local": "1983-12-22T20:56:11+00:00", "utc": "1983-12-22T20:56:11Z", "ms": 440974570656.43066 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-12-23", "window": { "start": { "local": "1983-12-23T21:58:46+00:00", "utc": "1983-12-23T21:58:46Z", "ms": 441064725764.1153 }, "end": { "local": "1983-12-23T21:58:46+00:00", "utc": "1983-12-23T21:58:46Z", "ms": 441064725764.1153 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:06 on Thu 22 Dec to 15:16 on Fri 23 Dec.", "fact": "1983-12-22T18:05:47Z → 1983-12-23T15:15:34Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 22nd and 21:59 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10224 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1983: Thursday 22 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1983-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-22", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1983 falls on Thursday 22 December. Caturthī runs from 18:06 on Thu 22 Dec to 15:16 on Fri 23 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/sankashta-chaturthi?on=1983-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/ekadashi?on=1983-12-29", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11664, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1983-12-29T03:37:48+00:00", "utc": "1983-12-29T03:37:48Z", "ms": 441517067696.7921 }, "end": { "local": "1983-12-30T03:05:53+00:00", "utc": "1983-12-30T03:05:53Z", "ms": 441601553103.5152 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-29T03:37:48+00:00", "utc": "1983-12-29T03:37:48Z", "ms": 441517067696.7921 }, "end": { "local": "1983-12-30T03:05:53+00:00", "utc": "1983-12-30T03:05:53Z", "ms": 441601553103.5152 } }, "kaala": "sunrise", "days": [ { "local_date": "1983-12-29", "window": { "start": { "local": "1983-12-29T06:52:12+00:00", "utc": "1983-12-29T06:52:12Z", "ms": 441528731828.8117 }, "end": { "local": "1983-12-29T06:52:12+00:00", "utc": "1983-12-29T06:52:12Z", "ms": 441528731828.8117 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1983-12-30", "window": { "start": { "local": "1983-12-30T06:52:38+00:00", "utc": "1983-12-30T06:52:38Z", "ms": 441615157541.75055 }, "end": { "local": "1983-12-30T06:52:38+00:00", "utc": "1983-12-30T06:52:38Z", "ms": 441615157541.75055 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:38 on Thu 29 Dec to 03:06 on Fri 30 Dec.", "fact": "1983-12-29T03:37:48Z → 1983-12-30T03:05:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 29th and 06:53 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11664 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Bamako, 1983: Thursday 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": "1983-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-29", "confidence": "determinate" } ], "quote": "In Bamako, Saphalā Ekādaśī 1983 falls on Thursday 29 December. Ekādaśī runs from 03:38 on Thu 29 Dec to 03:06 on Fri 30 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1983/ekadashi?on=1983-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1983/pradosha-vrata?on=1983-12-31", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1983, "local_date": "1983-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25401, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1983-12-31T03:00:11+00:00", "utc": "1983-12-31T03:00:11Z", "ms": 441687610691.6973 }, "end": { "local": "1984-01-01T03:20:12+00:00", "utc": "1984-01-01T03:20:12Z", "ms": 441775212029.68256 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1983-12-31T03:00:11+00:00", "utc": "1983-12-31T03:00:11Z", "ms": 441687610691.6973 }, "end": { "local": "1984-01-01T03:20:12+00:00", "utc": "1984-01-01T03:20:12Z", "ms": 441775212029.68256 } }, "kaala": "pradosha", "days": [ { "local_date": "1983-12-30", "window": { "start": { "local": "1983-12-30T18:15:52+00:00", "utc": "1983-12-30T18:15:52Z", "ms": 441656151848.24146 }, "end": { "local": "1983-12-30T19:56:49+00:00", "utc": "1983-12-30T19:56:49Z", "ms": 441662209276.4706 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1983-12-31", "window": { "start": { "local": "1983-12-31T18:16:25+00:00", "utc": "1983-12-31T18:16:25Z", "ms": 441742585094.0104 }, "end": { "local": "1983-12-31T19:57:21+00:00", "utc": "1983-12-31T19:57:21Z", "ms": 441748641328.1935 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:00 on Sat 31 Dec to 03:20 on Sun 1 Jan.", "fact": "1983-12-31T03:00:11Z → 1984-01-01T03:20:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:57 on the 30th, 18:16–19:57 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 101 minutes on the 30th and 101 of 101 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 25401 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1983: Saturday 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": "1983-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1983-12-31", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1983 falls on Saturday 31 December. Trayodaśī runs from 03:00 on Sat 31 Dec to 03:20 on Sun 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1983/pradosha-vrata?on=1983-12-31", "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" } }