{ "id": "/bamako/festivals/1902", "place": { "id": "2460596", "slug": "bamako", "name": "Bamako", "region": "Mali", "country": "ML", "lat": 12.60915, "lon": -7.97522, "elevation_m": 374, "tz": "Africa/Bamako" }, "year": 1902, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/bamako/festivals/1902/ekadashi?on=1902-01-05", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12035, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-01-04T09:59:19-00:16", "utc": "1902-01-04T10:15:19Z", "ms": -2145620681112.2756 }, "end": { "local": "1902-01-05T12:46:55-00:16", "utc": "1902-01-05T13:02:55Z", "ms": -2145524224709.5745 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-04T09:59:19-00:16", "utc": "1902-01-04T10:15:19Z", "ms": -2145620681112.2756 }, "end": { "local": "1902-01-05T12:46:55-00:16", "utc": "1902-01-05T13:02:55Z", "ms": -2145524224709.5745 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-01-04", "window": { "start": { "local": "1902-01-04T06:38:44-00:16", "utc": "1902-01-04T06:54:44Z", "ms": -2145632715769.6045 }, "end": { "local": "1902-01-04T06:38:44-00:16", "utc": "1902-01-04T06:54:44Z", "ms": -2145632715769.6045 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-01-05", "window": { "start": { "local": "1902-01-05T06:39:05-00:16", "utc": "1902-01-05T06:55:05Z", "ms": -2145546294659.9375 }, "end": { "local": "1902-01-05T06:39:05-00:16", "utc": "1902-01-05T06:55:05Z", "ms": -2145546294659.9375 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:58 on Sat 4 Jan to 12:46 on Sun 5 Jan.", "fact": "1902-01-04T10:15:19Z → 1902-01-05T13:02:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 4th and 06:38 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 12035 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Bamako, 1902: Sunday 5 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": "1902-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-05", "confidence": "determinate" } ], "quote": "In Bamako, Saphalā Ekādaśī 1902 falls on Sunday 5 January. Ekādaśī runs from 09:58 on Sat 4 Jan to 12:46 on Sun 5 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-01-05", "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/1902/pradosha-vrata?on=1902-01-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1282, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-01-06T15:24:57-00:16", "utc": "1902-01-06T15:40:57Z", "ms": -2145428342824.9412 }, "end": { "local": "1902-01-07T17:43:06-00:16", "utc": "1902-01-07T17:59:06Z", "ms": -2145333653658.8145 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-06T15:24:57-00:16", "utc": "1902-01-06T15:40:57Z", "ms": -2145428342824.9412 }, "end": { "local": "1902-01-07T17:43:06-00:16", "utc": "1902-01-07T17:59:06Z", "ms": -2145333653658.8145 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-01-06", "window": { "start": { "local": "1902-01-06T18:03:55-00:16", "utc": "1902-01-06T18:19:55Z", "ms": -2145418805412.206 }, "end": { "local": "1902-01-06T19:44:41-00:16", "utc": "1902-01-06T20:00:41Z", "ms": -2145412758695.9702 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1902-01-07", "window": { "start": { "local": "1902-01-07T18:04:28-00:16", "utc": "1902-01-07T18:20:28Z", "ms": -2145332371518.6956 }, "end": { "local": "1902-01-07T19:45:13-00:16", "utc": "1902-01-07T20:01:13Z", "ms": -2145326326860.298 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:24 on Mon 6 Jan to 17:42 on Tue 7 Jan.", "fact": "1902-01-06T15:40:57Z → 1902-01-07T17:59:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:44 on the 6th, 18:03–19:44 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 6th and 0 of 101 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1282 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Monday 6 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": "1902-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-06", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Monday 6 January. Trayodaśī runs from 15:24 on Mon 6 Jan to 17:42 on Tue 7 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-01-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15814, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-01-07T17:43:06-00:16", "utc": "1902-01-07T17:59:06Z", "ms": -2145333653658.8145 }, "end": { "local": "1902-01-08T19:35:08-00:16", "utc": "1902-01-08T19:51:08Z", "ms": -2145240531939.8933 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-07T17:43:06-00:16", "utc": "1902-01-07T17:59:06Z", "ms": -2145333653658.8145 }, "end": { "local": "1902-01-08T19:35:08-00:16", "utc": "1902-01-08T19:51:08Z", "ms": -2145240531939.8933 } }, "kaala": "nishita", "days": [ { "local_date": "1902-01-07", "window": { "start": { "local": "1902-01-07T23:58:16-00:16", "utc": "1902-01-08T00:14:16Z", "ms": -2145311144049.7046 }, "end": { "local": "1902-01-08T00:46:16-00:16", "utc": "1902-01-08T01:02:16Z", "ms": -2145308264049.7046 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-01-08", "window": { "start": { "local": "1902-01-08T23:58:42-00:16", "utc": "1902-01-09T00:14:42Z", "ms": -2145224718359.0122 }, "end": { "local": "1902-01-09T00:46:42-00:16", "utc": "1902-01-09T01:02:42Z", "ms": -2145221838359.0122 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:42 on Tue 7 Jan to 19:34 on Wed 8 Jan.", "fact": "1902-01-07T17:59:06Z → 1902-01-08T19:51:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 7th, 23:58–00:46 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15814 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Tuesday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-07", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Tuesday 7 January. Caturdaśī runs from 17:42 on Tue 7 Jan to 19:34 on Wed 8 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14960, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-02-12T02:56:24-00:16", "utc": "1902-02-12T03:12:24Z", "ms": -2142276455598.892 } }, "span": { "of": "transit", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 } }, "kaala": "sunset-day", "days": [ { "local_date": "1902-01-13", "window": { "start": { "local": "1902-01-12T18:07:17-00:16", "utc": "1902-01-12T18:23:17Z", "ms": -2144900203364.0398 }, "end": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1902-01-14", "window": { "start": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 }, "end": { "local": "1902-01-14T18:08:23-00:16", "utc": "1902-01-14T18:24:23Z", "ms": -2144727337366.342 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1902-01-13", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:57 on Mon 13 Jan.", "fact": "1902-01-13T14:14:29Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:07, and the day of the 14th ends at 18:07.", "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 12th and 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 sunset → only-day · margin 14960 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 13 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Bamako, 1902: Sunday 12 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": "1902-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1902-01-12", "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": "1902-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Bamako, Bhogi 1902 falls on Sunday 12 January. It is kept the day before Pongal, which falls on Monday 13 January. The Sun enters Makara at 13:57 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14960, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-02-12T02:56:24-00:16", "utc": "1902-02-12T03:12:24Z", "ms": -2142276455598.892 } }, "span": { "of": "transit", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 } }, "kaala": "sunset-day", "days": [ { "local_date": "1902-01-13", "window": { "start": { "local": "1902-01-12T18:07:17-00:16", "utc": "1902-01-12T18:23:17Z", "ms": -2144900203364.0398 }, "end": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1902-01-14", "window": { "start": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 }, "end": { "local": "1902-01-14T18:08:23-00:16", "utc": "1902-01-14T18:24:23Z", "ms": -2144727337366.342 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:57 on Mon 13 Jan.", "fact": "1902-01-13T14:14:29Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:07, and the day of the 14th ends at 18:07.", "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 12th and 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 sunset → only-day · margin 14960 s" }, { "step": "ruling", "text": "Pongal, Bamako, 1902: Monday 13 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": "1902-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1902-01-13", "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": "1902-01-13", "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, Pongal 1902 falls on Monday 13 January. The Sun enters Makara at 13:57 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36099, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-02-12T02:56:24-00:16", "utc": "1902-02-12T03:12:24Z", "ms": -2142276455598.892 } }, "span": { "of": "transit", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 } }, "kaala": "civil-day", "days": [ { "local_date": "1902-01-13", "window": { "start": { "local": "1902-01-13T00:00:08-00:16", "utc": "1902-01-13T00:16:08Z", "ms": -2144879032000 }, "end": { "local": "1902-01-14T00:00:08-00:16", "utc": "1902-01-14T00:16:08Z", "ms": -2144792632000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1902-01-14", "window": { "start": { "local": "1902-01-14T00:00:08-00:16", "utc": "1902-01-14T00:16:08Z", "ms": -2144792632000 }, "end": { "local": "1902-01-15T00:00:08-00:16", "utc": "1902-01-15T00:16:08Z", "ms": -2144706232000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:57 on Mon 13 Jan.", "fact": "1902-01-13T14:14:29Z · 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 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 midnight → only-day · margin 36099 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Bamako, 1902: Monday 13 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": "1902-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1902-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1902-01-13", "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 1902 falls on Monday 13 January. The Sun enters Makara at 13:57 on Mon 13 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-01-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33558, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-01-12T22:25:56-00:16", "utc": "1902-01-12T22:41:56Z", "ms": -2144884683518.5479 }, "end": { "local": "1902-01-13T22:07:53-00:16", "utc": "1902-01-13T22:23:53Z", "ms": -2144799366970.2249 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-12T22:25:56-00:16", "utc": "1902-01-12T22:41:56Z", "ms": -2144884683518.5479 }, "end": { "local": "1902-01-13T22:07:53-00:16", "utc": "1902-01-13T22:23:53Z", "ms": -2144799366970.2249 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-01-12", "window": { "start": { "local": "1902-01-12T12:00:12-00:16", "utc": "1902-01-12T12:16:12Z", "ms": -2144922227827.0583 }, "end": { "local": "1902-01-12T12:48:12-00:16", "utc": "1902-01-12T13:04:12Z", "ms": -2144919347827.0583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-01-13", "window": { "start": { "local": "1902-01-13T12:00:36-00:16", "utc": "1902-01-13T12:16:36Z", "ms": -2144835804476.901 }, "end": { "local": "1902-01-13T12:48:36-00:16", "utc": "1902-01-13T13:04:36Z", "ms": -2144832924476.901 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:25 on Sun 12 Jan to 22:07 on Mon 13 Jan.", "fact": "1902-01-12T22:41:56Z → 1902-01-13T22:23:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 12th, 12:00–12:48 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 33558 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Monday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-13", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Monday 13 January. Caturthī runs from 22:25 on Sun 12 Jan to 22:07 on Mon 13 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-01-13", "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/1902/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14960, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-02-12T02:56:24-00:16", "utc": "1902-02-12T03:12:24Z", "ms": -2142276455598.892 } }, "span": { "of": "transit", "start": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 }, "end": { "local": "1902-01-13T13:58:29-00:16", "utc": "1902-01-13T14:14:29Z", "ms": -2144828730562.013 } }, "kaala": "sunset-day", "days": [ { "local_date": "1902-01-13", "window": { "start": { "local": "1902-01-12T18:07:17-00:16", "utc": "1902-01-12T18:23:17Z", "ms": -2144900203364.0398 }, "end": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1902-01-14", "window": { "start": { "local": "1902-01-13T18:07:50-00:16", "utc": "1902-01-13T18:23:50Z", "ms": -2144813770241.5625 }, "end": { "local": "1902-01-14T18:08:23-00:16", "utc": "1902-01-14T18:24:23Z", "ms": -2144727337366.342 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1902-01-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 13:57 on Mon 13 Jan.", "fact": "1902-01-13T14:14:29Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 18:07, and the day of the 14th ends at 18:07.", "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 12th and 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 sunset → only-day · margin 14960 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 13 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Bamako, 1902: Tuesday 14 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": "1902-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1902-01-14", "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": "1902-01-14", "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, Mattu Pongal 1902 falls on Tuesday 14 January. It is kept the day after Pongal, which falls on Monday 13 January. The Sun enters Makara at 13:57 on Mon 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-01-20", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13989, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-01-19T13:09:52-00:16", "utc": "1902-01-19T13:25:52Z", "ms": -2144313247833.4155 }, "end": { "local": "1902-01-20T10:35:36-00:16", "utc": "1902-01-20T10:51:36Z", "ms": -2144236104468.85 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-19T13:09:52-00:16", "utc": "1902-01-19T13:25:52Z", "ms": -2144313247833.4155 }, "end": { "local": "1902-01-20T10:35:36-00:16", "utc": "1902-01-20T10:51:36Z", "ms": -2144236104468.85 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-01-19", "window": { "start": { "local": "1902-01-19T06:42:20-00:16", "utc": "1902-01-19T06:58:20Z", "ms": -2144336499519.458 }, "end": { "local": "1902-01-19T06:42:20-00:16", "utc": "1902-01-19T06:58:20Z", "ms": -2144336499519.458 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-01-20", "window": { "start": { "local": "1902-01-20T06:42:27-00:16", "utc": "1902-01-20T06:58:27Z", "ms": -2144250093470.6594 }, "end": { "local": "1902-01-20T06:42:27-00:16", "utc": "1902-01-20T06:58:27Z", "ms": -2144250093470.6594 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:09 on Sun 19 Jan to 10:35 on Mon 20 Jan.", "fact": "1902-01-19T13:25:52Z → 1902-01-20T10:51:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 19th and 06:41 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 13989 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1902: Monday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-20", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1902 falls on Monday 20 January. Ekādaśī runs from 13:09 on Sun 19 Jan to 10:35 on Mon 20 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-01-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33057, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-01-21T07:51:06-00:16", "utc": "1902-01-21T08:07:06Z", "ms": -2144159574360.9521 }, "end": { "local": "1902-01-22T05:03:05-00:16", "utc": "1902-01-22T05:19:05Z", "ms": -2144083255144.145 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-01-21T07:51:06-00:16", "utc": "1902-01-21T08:07:06Z", "ms": -2144159574360.9521 }, "end": { "local": "1902-01-22T05:03:05-00:16", "utc": "1902-01-22T05:19:05Z", "ms": -2144083255144.145 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-01-20", "window": { "start": { "local": "1902-01-20T18:11:33-00:16", "utc": "1902-01-20T18:27:33Z", "ms": -2144208746896.1018 }, "end": { "local": "1902-01-20T19:51:41-00:16", "utc": "1902-01-20T20:07:41Z", "ms": -2144202739113.732 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1902-01-21", "window": { "start": { "local": "1902-01-21T18:12:03-00:16", "utc": "1902-01-21T18:28:03Z", "ms": -2144122316503.4192 }, "end": { "local": "1902-01-21T19:52:08-00:16", "utc": "1902-01-21T20:08:08Z", "ms": -2144116312262.0837 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:50 on Tue 21 Jan to 05:02 on Wed 22 Jan.", "fact": "1902-01-21T08:07:06Z → 1902-01-22T05:19:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:51 on the 20th, 18:11–19:51 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 20th and 100 of 100 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 33057 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Tuesday 21 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": "1902-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-21", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Tuesday 21 January. Trayodaśī runs from 07:50 on Tue 21 Jan to 05:02 on Wed 22 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/sankashta-chaturthi?on=1902-01-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5138, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-01-26T19:18:31-00:16", "utc": "1902-01-26T19:34:31Z", "ms": -2143686328762.1953 }, "end": { "local": "1902-01-27T19:13:22-00:16", "utc": "1902-01-27T19:29:22Z", "ms": -2143600237605.336 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-01-26T19:18:31-00:16", "utc": "1902-01-26T19:34:31Z", "ms": -2143686328762.1953 }, "end": { "local": "1902-01-27T19:13:22-00:16", "utc": "1902-01-27T19:29:22Z", "ms": -2143600237605.336 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-01-26", "window": { "start": { "local": "1902-01-26T20:44:10-00:16", "utc": "1902-01-26T21:00:10Z", "ms": -2143681190363.5034 }, "end": { "local": "1902-01-26T20:44:10-00:16", "utc": "1902-01-26T21:00:10Z", "ms": -2143681190363.5034 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-01-27", "window": { "start": { "local": "1902-01-27T21:34:51-00:16", "utc": "1902-01-27T21:50:51Z", "ms": -2143591748650.5298 }, "end": { "local": "1902-01-27T21:34:51-00:16", "utc": "1902-01-27T21:50:51Z", "ms": -2143591748650.5298 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:18 on Sun 26 Jan to 19:12 on Mon 27 Jan.", "fact": "1902-01-26T19:34:31Z → 1902-01-27T19:29:22Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 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 on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5138 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Sunday 26 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": "1902-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-01-26", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Sunday 26 January. Caturthī runs from 19:18 on Sun 26 Jan to 19:12 on Mon 27 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-01-26", "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/1902/ekadashi?on=1902-02-04", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3008, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-02-03T07:32:04-00:16", "utc": "1902-02-03T07:48:04Z", "ms": -2143037516187.3733 }, "end": { "local": "1902-02-04T09:46:57-00:16", "utc": "1902-02-04T10:02:57Z", "ms": -2142943023261.2712 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-03T07:32:04-00:16", "utc": "1902-02-03T07:48:04Z", "ms": -2143037516187.3733 }, "end": { "local": "1902-02-04T09:46:57-00:16", "utc": "1902-02-04T10:02:57Z", "ms": -2142943023261.2712 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-02-03", "window": { "start": { "local": "1902-02-03T06:41:56-00:16", "utc": "1902-02-03T06:57:56Z", "ms": -2143040523767.2935 }, "end": { "local": "1902-02-03T06:41:56-00:16", "utc": "1902-02-03T06:57:56Z", "ms": -2143040523767.2935 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-02-04", "window": { "start": { "local": "1902-02-04T06:41:46-00:16", "utc": "1902-02-04T06:57:46Z", "ms": -2142954133940.6914 }, "end": { "local": "1902-02-04T06:41:46-00:16", "utc": "1902-02-04T06:57:46Z", "ms": -2142954133940.6914 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:31 on Mon 3 Feb to 09:46 on Tue 4 Feb.", "fact": "1902-02-03T07:48:04Z → 1902-02-04T10:02:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 3rd and 06:41 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3008 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Bamako, 1902: Tuesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-04", "confidence": "determinate" } ], "quote": "In Bamako, Ṣaṭtilā Ekādaśī 1902 falls on Tuesday 4 February. Ekādaśī runs from 07:31 on Mon 3 Feb to 09:46 on Tue 4 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-02-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20470, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-02-05T11:30:30-00:16", "utc": "1902-02-05T11:46:30Z", "ms": -2142850409669.4639 }, "end": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-05T11:30:30-00:16", "utc": "1902-02-05T11:46:30Z", "ms": -2142850409669.4639 }, "end": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-02-05", "window": { "start": { "local": "1902-02-05T18:18:40-00:16", "utc": "1902-02-05T18:34:40Z", "ms": -2142825919647.4238 }, "end": { "local": "1902-02-05T19:57:42-00:16", "utc": "1902-02-05T20:13:42Z", "ms": -2142819978010.3306 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1902-02-06", "window": { "start": { "local": "1902-02-06T18:19:02-00:16", "utc": "1902-02-06T18:35:02Z", "ms": -2142739497581.13 }, "end": { "local": "1902-02-06T19:57:59-00:16", "utc": "1902-02-06T20:13:59Z", "ms": -2142733560651.201 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:30 on Wed 5 Feb to 12:37 on Thu 6 Feb.", "fact": "1902-02-05T11:46:30Z → 1902-02-06T12:53:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:57 on the 5th, 18:18–19:57 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 99 of 99 minutes on the 5th and 0 of 99 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 20470 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Wednesday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-05", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Wednesday 5 February. Trayodaśī runs from 11:30 on Wed 5 Feb to 12:37 on Thu 6 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-02-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39455, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 }, "end": { "local": "1902-02-07T13:08:34-00:16", "utc": "1902-02-07T13:24:34Z", "ms": -2142671725584.185 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 }, "end": { "local": "1902-02-07T13:08:34-00:16", "utc": "1902-02-07T13:24:34Z", "ms": -2142671725584.185 } }, "kaala": "nishita", "days": [ { "local_date": "1902-02-06", "window": { "start": { "local": "1902-02-07T00:06:06-00:16", "utc": "1902-02-07T00:22:06Z", "ms": -2142718674093.8962 }, "end": { "local": "1902-02-07T00:54:06-00:16", "utc": "1902-02-07T01:10:06Z", "ms": -2142715794093.8962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-02-07", "window": { "start": { "local": "1902-02-08T00:06:10-00:16", "utc": "1902-02-08T00:22:10Z", "ms": -2142632270478.2988 }, "end": { "local": "1902-02-08T00:54:10-00:16", "utc": "1902-02-08T01:10:10Z", "ms": -2142629390478.2988 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:37 on Thu 6 Feb to 13:08 on Fri 7 Feb.", "fact": "1902-02-06T12:53:52Z → 1902-02-07T13:24:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 6th, 00:05–00:53 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39455 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Thursday 6 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": "1902-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-06", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Thursday 6 February. Caturdaśī runs from 12:37 on Thu 6 Feb to 13:08 on Fri 7 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21389, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 }, "end": { "local": "1902-02-07T13:08:34-00:16", "utc": "1902-02-07T13:24:34Z", "ms": -2142671725584.185 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-06T12:37:52-00:16", "utc": "1902-02-06T12:53:52Z", "ms": -2142759967994.261 }, "end": { "local": "1902-02-07T13:08:34-00:16", "utc": "1902-02-07T13:24:34Z", "ms": -2142671725584.185 } }, "kaala": "arunodaya", "days": [ { "local_date": "1902-02-06", "window": { "start": { "local": "1902-02-06T05:02:21-00:16", "utc": "1902-02-06T05:18:21Z", "ms": -2142787299006.317 }, "end": { "local": "1902-02-06T06:41:23-00:16", "utc": "1902-02-06T06:57:23Z", "ms": -2142781357369.2236 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1902-02-07", "window": { "start": { "local": "1902-02-07T05:02:12-00:16", "utc": "1902-02-07T05:18:12Z", "ms": -2142700907536.5916 }, "end": { "local": "1902-02-07T06:41:09-00:16", "utc": "1902-02-07T06:57:09Z", "ms": -2142694970606.6626 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:37 on Thu 6 Feb to 13:08 on Fri 7 Feb.", "fact": "1902-02-06T12:53:52Z → 1902-02-07T13:24:34Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:01–06:40 on the 6th, 05:01–06:40 on the 7th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 99 minutes on the 6th and 99 of 99 on the 7th.", "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 21389 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Bamako, 1902: Friday 7 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": "1902-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-07", "confidence": "determinate" } ], "quote": "In Bamako, Yama Tarpaṇa 1902 falls on Friday 7 February. Caturdaśī runs from 12:37 on Thu 6 Feb to 13:08 on Fri 7 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6172, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-02-11T10:23:33-00:16", "utc": "1902-02-11T10:39:33Z", "ms": -2142336027217.8237 }, "end": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-11T10:23:33-00:16", "utc": "1902-02-11T10:39:33Z", "ms": -2142336027217.8237 }, "end": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-02-11", "window": { "start": { "local": "1902-02-11T12:06:25-00:16", "utc": "1902-02-11T12:22:25Z", "ms": -2142329854882.0508 }, "end": { "local": "1902-02-11T12:54:25-00:16", "utc": "1902-02-11T13:10:25Z", "ms": -2142326974882.0508 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-02-12", "window": { "start": { "local": "1902-02-12T12:06:25-00:16", "utc": "1902-02-12T12:22:25Z", "ms": -2142243454745.0415 }, "end": { "local": "1902-02-12T12:54:25-00:16", "utc": "1902-02-12T13:10:25Z", "ms": -2142240574745.0415 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:23 on Tue 11 Feb to 08:55 on Wed 12 Feb.", "fact": "1902-02-11T10:39:33Z → 1902-02-12T09:11:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 11th, 12:05–12:53 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6172 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Bamako, 1902: Tuesday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-11", "confidence": "determinate" } ], "quote": "In Bamako, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1902 falls on Tuesday 11 February. Caturthī runs from 10:23 on Tue 11 Feb to 08:55 on Wed 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/ganesha-jayanti", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28631, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-02-11T10:23:33-00:16", "utc": "1902-02-11T10:39:33Z", "ms": -2142336027217.8237 }, "end": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-11T10:23:33-00:16", "utc": "1902-02-11T10:39:33Z", "ms": -2142336027217.8237 }, "end": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-02-11", "window": { "start": { "local": "1902-02-11T18:20:44-00:16", "utc": "1902-02-11T18:36:44Z", "ms": -2142307396272.6438 }, "end": { "local": "1902-02-11T19:59:16-00:16", "utc": "1902-02-11T20:15:16Z", "ms": -2142301483655.6018 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1902-02-12", "window": { "start": { "local": "1902-02-12T18:21:02-00:16", "utc": "1902-02-12T18:37:02Z", "ms": -2142220977845.2544 }, "end": { "local": "1902-02-12T19:59:30-00:16", "utc": "1902-02-12T20:15:30Z", "ms": -2142215070232.2378 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:23 on Tue 11 Feb to 08:55 on Wed 12 Feb.", "fact": "1902-02-11T10:39:33Z → 1902-02-12T09:11:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:58 on the 11th, 18:20–19:58 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 99 of 99 minutes on the 11th and 0 of 98 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28631 s" }, { "step": "ruling", "text": "Tila Caturthī, Bamako, 1902: Tuesday 11 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-11", "confidence": "determinate" } ], "quote": "In Bamako, Tila Caturthī 1902 falls on Tuesday 11 February. Caturthī runs from 10:23 on Tue 11 Feb to 08:55 on Wed 12 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/tila-chaturthi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11430, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "end": { "local": "1902-02-13T07:17:58-00:16", "utc": "1902-02-13T07:33:58Z", "ms": -2142174361901.284 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "end": { "local": "1902-02-13T07:17:58-00:16", "utc": "1902-02-13T07:33:58Z", "ms": -2142174361901.284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-02-12", "window": { "start": { "local": "1902-02-12T12:06:25-00:16", "utc": "1902-02-12T12:22:25Z", "ms": -2142243454745.0415 }, "end": { "local": "1902-02-12T12:54:25-00:16", "utc": "1902-02-12T13:10:25Z", "ms": -2142240574745.0415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-02-13", "window": { "start": { "local": "1902-02-13T12:06:25-00:16", "utc": "1902-02-13T12:22:25Z", "ms": -2142157055390.7646 }, "end": { "local": "1902-02-13T12:54:25-00:16", "utc": "1902-02-13T13:10:25Z", "ms": -2142154175390.7646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:55 on Wed 12 Feb to 07:17 on Thu 13 Feb.", "fact": "1902-02-12T09:11:55Z → 1902-02-13T07:33:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 12th, 12:05–12:53 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11430 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Bamako, 1902: Wednesday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-12", "confidence": "determinate" } ], "quote": "In Bamako, Śrī Pañcamī 1902 falls on Wednesday 12 February. Pañcamī runs from 08:55 on Wed 12 Feb to 07:17 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/shri-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11430, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "end": { "local": "1902-02-13T07:17:58-00:16", "utc": "1902-02-13T07:33:58Z", "ms": -2142174361901.284 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-12T08:55:55-00:16", "utc": "1902-02-12T09:11:55Z", "ms": -2142254885225.078 }, "end": { "local": "1902-02-13T07:17:58-00:16", "utc": "1902-02-13T07:33:58Z", "ms": -2142174361901.284 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-02-12", "window": { "start": { "local": "1902-02-12T12:06:25-00:16", "utc": "1902-02-12T12:22:25Z", "ms": -2142243454745.0415 }, "end": { "local": "1902-02-12T12:54:25-00:16", "utc": "1902-02-12T13:10:25Z", "ms": -2142240574745.0415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-02-13", "window": { "start": { "local": "1902-02-13T12:06:25-00:16", "utc": "1902-02-13T12:22:25Z", "ms": -2142157055390.7646 }, "end": { "local": "1902-02-13T12:54:25-00:16", "utc": "1902-02-13T13:10:25Z", "ms": -2142154175390.7646 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:55 on Wed 12 Feb to 07:17 on Thu 13 Feb.", "fact": "1902-02-12T09:11:55Z → 1902-02-13T07:33:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 12th, 12:05–12:53 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11430 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Bamako, 1902: Wednesday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-12", "confidence": "determinate" } ], "quote": "In Bamako, Vasanta Pañcamī 1902 falls on Wednesday 12 February. Pañcamī runs from 08:55 on Wed 12 Feb to 07:17 on Thu 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vasanta-panchami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1869, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-02-14T05:31:55-00:16", "utc": "1902-02-14T05:47:55Z", "ms": -2142094324651.0862 }, "end": { "local": "1902-02-15T03:39:06-00:16", "utc": "1902-02-15T03:55:06Z", "ms": -2142014694422.696 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-14T05:31:55-00:16", "utc": "1902-02-14T05:47:55Z", "ms": -2142094324651.0862 }, "end": { "local": "1902-02-15T03:39:06-00:16", "utc": "1902-02-15T03:55:06Z", "ms": -2142014694422.696 } }, "kaala": "arunodaya", "days": [ { "local_date": "1902-02-14", "window": { "start": { "local": "1902-02-14T05:00:47-00:16", "utc": "1902-02-14T05:16:47Z", "ms": -2142096193352.484 }, "end": { "local": "1902-02-14T06:39:09-00:16", "utc": "1902-02-14T06:55:09Z", "ms": -2142090290786.1123 } }, "covered_min": 67, "window_min": 98, "qualifies": true }, { "local_date": "1902-02-15", "window": { "start": { "local": "1902-02-15T05:00:31-00:16", "utc": "1902-02-15T05:16:31Z", "ms": -2142009809224.0786 }, "end": { "local": "1902-02-15T06:38:48-00:16", "utc": "1902-02-15T06:54:48Z", "ms": -2142003911745.0876 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:31 on Fri 14 Feb to 03:38 on Sat 15 Feb.", "fact": "1902-02-14T05:47:55Z → 1902-02-15T03:55:06Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:00–06:38 on the 14th, 05:00–06:38 on the 15th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 67 of 98 minutes on the 14th and 0 of 98 on the 15th.", "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 1869 s" }, { "step": "ruling", "text": "Ratha Saptamī, Bamako, 1902: Friday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-14", "confidence": "determinate" } ], "quote": "In Bamako, Ratha Saptamī 1902 falls on Friday 14 February. Saptamī runs from 05:31 on Fri 14 Feb to 03:38 on Sat 15 Feb and covers 67 of 98 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1902/ratha-saptami", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ekadashi?on=1902-02-18", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32824, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-02-17T21:30:36-00:16", "utc": "1902-02-17T21:46:36Z", "ms": -2141777603806.6948 }, "end": { "local": "1902-02-18T19:24:26-00:16", "utc": "1902-02-18T19:40:26Z", "ms": -2141698774092.7478 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-17T21:30:36-00:16", "utc": "1902-02-17T21:46:36Z", "ms": -2141777603806.6948 }, "end": { "local": "1902-02-18T19:24:26-00:16", "utc": "1902-02-18T19:40:26Z", "ms": -2141698774092.7478 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-02-18", "window": { "start": { "local": "1902-02-18T06:37:40-00:16", "utc": "1902-02-18T06:53:40Z", "ms": -2141744779970.3513 }, "end": { "local": "1902-02-18T06:37:40-00:16", "utc": "1902-02-18T06:53:40Z", "ms": -2141744779970.3513 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-02-19", "window": { "start": { "local": "1902-02-19T06:37:16-00:16", "utc": "1902-02-19T06:53:16Z", "ms": -2141658404429.3333 }, "end": { "local": "1902-02-19T06:37:16-00:16", "utc": "1902-02-19T06:53:16Z", "ms": -2141658404429.3333 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:30 on Mon 17 Feb to 19:23 on Tue 18 Feb.", "fact": "1902-02-17T21:46:36Z → 1902-02-18T19:40:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 18th and 06:36 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 32824 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Bamako, 1902: Tuesday 18 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": "1902-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-18", "confidence": "determinate" } ], "quote": "In Bamako, Jayā Ekādaśī 1902 falls on Tuesday 18 February. Ekādaśī runs from 21:30 on Mon 17 Feb to 19:23 on Tue 18 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-02-18", "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/1902/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16126, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-02-18T19:24:26-00:16", "utc": "1902-02-18T19:40:26Z", "ms": -2141698774092.7478 }, "end": { "local": "1902-02-19T17:22:50-00:16", "utc": "1902-02-19T17:38:50Z", "ms": -2141619669591.8489 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-18T19:24:26-00:16", "utc": "1902-02-18T19:40:26Z", "ms": -2141698774092.7478 }, "end": { "local": "1902-02-19T17:22:50-00:16", "utc": "1902-02-19T17:38:50Z", "ms": -2141619669591.8489 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-02-18", "window": { "start": { "local": "1902-02-18T12:06:10-00:16", "utc": "1902-02-18T12:22:10Z", "ms": -2141725070043.4312 }, "end": { "local": "1902-02-18T12:54:10-00:16", "utc": "1902-02-18T13:10:10Z", "ms": -2141722190043.4312 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-02-19", "window": { "start": { "local": "1902-02-19T12:06:05-00:16", "utc": "1902-02-19T12:22:05Z", "ms": -2141638675172.016 }, "end": { "local": "1902-02-19T12:54:05-00:16", "utc": "1902-02-19T13:10:05Z", "ms": -2141635795172.016 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:23 on Tue 18 Feb to 17:22 on Wed 19 Feb.", "fact": "1902-02-18T19:40:26Z → 1902-02-19T17:38:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 18th, 12:05–12:53 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16126 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Bamako, 1902: Wednesday 19 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-19", "confidence": "determinate" } ], "quote": "In Bamako, Bhīṣma Dvādaśī 1902 falls on Wednesday 19 February. Dvādaśī runs from 19:23 on Tue 18 Feb to 17:22 on Wed 19 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/bhishma-dvadashi", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-02-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3604, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-02-19T17:22:50-00:16", "utc": "1902-02-19T17:38:50Z", "ms": -2141619669591.8489 }, "end": { "local": "1902-02-20T15:31:33-00:16", "utc": "1902-02-20T15:47:33Z", "ms": -2141539947183.5447 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-19T17:22:50-00:16", "utc": "1902-02-19T17:38:50Z", "ms": -2141619669591.8489 }, "end": { "local": "1902-02-20T15:31:33-00:16", "utc": "1902-02-20T15:47:33Z", "ms": -2141539947183.5447 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-02-19", "window": { "start": { "local": "1902-02-19T18:22:54-00:16", "utc": "1902-02-19T18:38:54Z", "ms": -2141616065914.699 }, "end": { "local": "1902-02-19T20:00:46-00:16", "utc": "1902-02-19T20:16:46Z", "ms": -2141610194420.8557 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1902-02-20", "window": { "start": { "local": "1902-02-20T18:23:08-00:16", "utc": "1902-02-20T18:39:08Z", "ms": -2141529652283.044 }, "end": { "local": "1902-02-20T20:00:54-00:16", "utc": "1902-02-20T20:16:54Z", "ms": -2141523786084.1401 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:22 on Wed 19 Feb to 15:31 on Thu 20 Feb.", "fact": "1902-02-19T17:38:50Z → 1902-02-20T15:47:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:00 on the 19th, 18:22–20:00 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 19th and 0 of 98 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3604 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Wednesday 19 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": "1902-02-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-19", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Wednesday 19 February. Trayodaśī runs from 17:22 on Wed 19 Feb to 15:31 on Thu 20 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-02-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 388, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-02-21T13:57:17-00:16", "utc": "1902-02-21T14:13:17Z", "ms": -2141459202927.94 }, "end": { "local": "1902-02-22T12:47:17-00:16", "utc": "1902-02-22T13:03:17Z", "ms": -2141377002518.5144 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1902-02-21T13:57:17-00:16", "utc": "1902-02-21T14:13:17Z", "ms": -2141459202927.94 }, "end": { "local": "1902-02-22T12:47:17-00:16", "utc": "1902-02-22T13:03:17Z", "ms": -2141377002518.5144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-02-21", "window": { "start": { "local": "1902-02-21T12:05:52-00:16", "utc": "1902-02-21T12:21:52Z", "ms": -2141465887500.0837 }, "end": { "local": "1902-02-21T12:53:52-00:16", "utc": "1902-02-21T13:09:52Z", "ms": -2141463007500.0837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-02-22", "window": { "start": { "local": "1902-02-22T12:05:45-00:16", "utc": "1902-02-22T12:21:45Z", "ms": -2141379494662.3828 }, "end": { "local": "1902-02-22T12:53:45-00:16", "utc": "1902-02-22T13:09:45Z", "ms": -2141376614662.3828 } }, "covered_min": 42, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:56 on Fri 21 Feb to 12:46 on Sat 22 Feb.", "fact": "1902-02-21T14:13:17Z → 1902-02-22T13:03:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 21st, 12:05–12:53 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 42 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 388 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Bamako, 1902: Saturday 22 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-22", "confidence": "determinate" } ], "quote": "In Bamako, Māghī Pūrṇimā 1902 falls on Saturday 22 February. Pūrṇimā runs from 13:56 on Fri 21 Feb to 12:46 on Sat 22 Feb and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/maghi-purnima", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/sankashta-chaturthi?on=1902-02-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27932, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-02-25T12:46:17-00:16", "utc": "1902-02-25T13:02:17Z", "ms": -2141117862989.374 }, "end": { "local": "1902-02-26T14:06:23-00:16", "utc": "1902-02-26T14:22:23Z", "ms": -2141026657213.5415 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-02-25T12:46:17-00:16", "utc": "1902-02-25T13:02:17Z", "ms": -2141117862989.374 }, "end": { "local": "1902-02-26T14:06:23-00:16", "utc": "1902-02-26T14:22:23Z", "ms": -2141026657213.5415 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-02-25", "window": { "start": { "local": "1902-02-25T21:03:04-00:16", "utc": "1902-02-25T21:19:04Z", "ms": -2141088055539.8787 }, "end": { "local": "1902-02-25T21:03:04-00:16", "utc": "1902-02-25T21:19:04Z", "ms": -2141088055539.8787 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-02-26", "window": { "start": { "local": "1902-02-26T21:51:55-00:16", "utc": "1902-02-26T22:07:55Z", "ms": -2140998725202.0657 }, "end": { "local": "1902-02-26T21:51:55-00:16", "utc": "1902-02-26T22:07:55Z", "ms": -2140998725202.0657 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:45 on Tue 25 Feb to 14:05 on Wed 26 Feb.", "fact": "1902-02-25T13:02:17Z → 1902-02-26T14:22:23Z" }, { "step": "kaala", "text": "Moonrise is at 21:02 on the 25th and 21:51 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 27932 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Tuesday 25 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-02-25", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Tuesday 25 February. Caturthī runs from 12:45 on Tue 25 Feb to 14:05 on Wed 26 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ekadashi?on=1902-03-05", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5892, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-03-05T03:44:11-00:16", "utc": "1902-03-05T04:00:11Z", "ms": -2140459188901.3455 }, "end": { "local": "1902-03-06T04:51:31-00:16", "utc": "1902-03-06T05:07:31Z", "ms": -2140368748862.3547 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-05T03:44:11-00:16", "utc": "1902-03-05T04:00:11Z", "ms": -2140459188901.3455 }, "end": { "local": "1902-03-06T04:51:31-00:16", "utc": "1902-03-06T05:07:31Z", "ms": -2140368748862.3547 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-03-05", "window": { "start": { "local": "1902-03-05T06:30:18-00:16", "utc": "1902-03-05T06:46:18Z", "ms": -2140449222315.654 }, "end": { "local": "1902-03-05T06:30:18-00:16", "utc": "1902-03-05T06:46:18Z", "ms": -2140449222315.654 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-03-06", "window": { "start": { "local": "1902-03-06T06:29:43-00:16", "utc": "1902-03-06T06:45:43Z", "ms": -2140362856605.0513 }, "end": { "local": "1902-03-06T06:29:43-00:16", "utc": "1902-03-06T06:45:43Z", "ms": -2140362856605.0513 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:43 on Wed 5 Mar to 04:51 on Thu 6 Mar.", "fact": "1902-03-05T04:00:11Z → 1902-03-06T05:07:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 5th and 06:29 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5892 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Bamako, 1902: Wednesday 5 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-05", "confidence": "determinate" } ], "quote": "In Bamako, Vijayā Ekādaśī 1902 falls on Wednesday 5 March. Ekādaśī runs from 03:43 on Wed 5 Mar to 04:51 on Thu 6 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-03-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32157, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-03-07T05:15:50-00:16", "utc": "1902-03-07T05:31:50Z", "ms": -2140280890427.4927 }, "end": { "local": "1902-03-08T04:57:55-00:16", "utc": "1902-03-08T05:13:55Z", "ms": -2140195565409.2688 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-07T05:15:50-00:16", "utc": "1902-03-07T05:31:50Z", "ms": -2140280890427.4927 }, "end": { "local": "1902-03-08T04:57:55-00:16", "utc": "1902-03-08T05:13:55Z", "ms": -2140195565409.2688 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-03-06", "window": { "start": { "local": "1902-03-06T18:25:27-00:16", "utc": "1902-03-06T18:41:27Z", "ms": -2140319913314.3005 }, "end": { "local": "1902-03-06T20:01:56-00:16", "utc": "1902-03-06T20:17:56Z", "ms": -2140314123721.088 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1902-03-07", "window": { "start": { "local": "1902-03-07T18:25:33-00:16", "utc": "1902-03-07T18:41:33Z", "ms": -2140233506523.3828 }, "end": { "local": "1902-03-07T20:01:57-00:16", "utc": "1902-03-07T20:17:57Z", "ms": -2140227722530.2659 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:15 on Fri 7 Mar to 04:57 on Sat 8 Mar.", "fact": "1902-03-07T05:31:50Z → 1902-03-08T05:13:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:01 on the 6th, 18:25–20:01 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 6th and 96 of 96 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32157 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Friday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-07", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Friday 7 March. Trayodaśī runs from 05:15 on Fri 7 Mar to 04:57 on Sat 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11466, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-03-08T04:57:55-00:16", "utc": "1902-03-08T05:13:55Z", "ms": -2140195565409.2688 }, "end": { "local": "1902-03-09T04:01:54-00:16", "utc": "1902-03-09T04:17:54Z", "ms": -2140112525538.131 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-08T04:57:55-00:16", "utc": "1902-03-08T05:13:55Z", "ms": -2140195565409.2688 }, "end": { "local": "1902-03-09T04:01:54-00:16", "utc": "1902-03-09T04:17:54Z", "ms": -2140112525538.131 } }, "kaala": "nishita", "days": [ { "local_date": "1902-03-07", "window": { "start": { "local": "1902-03-08T00:03:03-00:16", "utc": "1902-03-08T00:19:03Z", "ms": -2140213256549.1943 }, "end": { "local": "1902-03-08T00:51:03-00:16", "utc": "1902-03-08T01:07:03Z", "ms": -2140210376549.1943 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-03-08", "window": { "start": { "local": "1902-03-09T00:02:49-00:16", "utc": "1902-03-09T00:18:49Z", "ms": -2140126871146.4624 }, "end": { "local": "1902-03-09T00:50:49-00:16", "utc": "1902-03-09T01:06:49Z", "ms": -2140123991146.4624 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:57 on Sat 8 Mar to 04:01 on Sun 9 Mar.", "fact": "1902-03-08T05:13:55Z → 1902-03-09T04:17:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:02–00:50 on the 7th, 00:02–00:50 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 11466 s" }, { "step": "ruling", "text": "Mahāśivarātri, Bamako, 1902: Saturday 8 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-03-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-08", "confidence": "determinate" } ], "quote": "In Bamako, Mahāśivarātri 1902 falls on Saturday 8 March. Caturdaśī runs from 04:57 on Sat 8 Mar to 04:01 on Sun 9 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/maha-shivaratri", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/vinayaka-chaturthi?on=1902-03-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17922, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-03-12T20:12:21-00:16", "utc": "1902-03-12T20:28:21Z", "ms": -2139795099409.4028 }, "end": { "local": "1902-03-13T17:48:31-00:16", "utc": "1902-03-13T18:04:31Z", "ms": -2139717328699.0679 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-12T20:12:21-00:16", "utc": "1902-03-12T20:28:21Z", "ms": -2139795099409.4028 }, "end": { "local": "1902-03-13T17:48:31-00:16", "utc": "1902-03-13T18:04:31Z", "ms": -2139717328699.0679 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-03-12", "window": { "start": { "local": "1902-03-12T12:02:05-00:16", "utc": "1902-03-12T12:18:05Z", "ms": -2139824514519.2363 }, "end": { "local": "1902-03-12T12:50:05-00:16", "utc": "1902-03-12T13:06:05Z", "ms": -2139821634519.2363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-03-13", "window": { "start": { "local": "1902-03-13T12:01:49-00:16", "utc": "1902-03-13T12:17:49Z", "ms": -2139738130654.5283 }, "end": { "local": "1902-03-13T12:49:49-00:16", "utc": "1902-03-13T13:05:49Z", "ms": -2139735250654.5283 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:11 on Wed 12 Mar to 17:48 on Thu 13 Mar.", "fact": "1902-03-12T20:28:21Z → 1902-03-13T18:04:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 12th, 12:01–12:49 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 17922 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Thursday 13 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": "1902-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-13", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Thursday 13 March. Caturthī runs from 20:11 on Wed 12 Mar to 17:48 on Thu 13 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ekadashi?on=1902-03-19", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2614, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-03-19T05:38:08-00:16", "utc": "1902-03-19T05:54:08Z", "ms": -2139242751798.5466 }, "end": { "local": "1902-03-20T04:21:55-00:16", "utc": "1902-03-20T04:37:55Z", "ms": -2139160925348.9492 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-19T05:38:08-00:16", "utc": "1902-03-19T05:54:08Z", "ms": -2139242751798.5466 }, "end": { "local": "1902-03-20T04:21:55-00:16", "utc": "1902-03-20T04:37:55Z", "ms": -2139160925348.9492 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-03-19", "window": { "start": { "local": "1902-03-19T06:21:42-00:16", "utc": "1902-03-19T06:37:42Z", "ms": -2139240137802.1687 }, "end": { "local": "1902-03-19T06:21:42-00:16", "utc": "1902-03-19T06:37:42Z", "ms": -2139240137802.1687 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-03-20", "window": { "start": { "local": "1902-03-20T06:21:03-00:16", "utc": "1902-03-20T06:37:03Z", "ms": -2139153776804.6746 }, "end": { "local": "1902-03-20T06:21:03-00:16", "utc": "1902-03-20T06:37:03Z", "ms": -2139153776804.6746 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:37 on Wed 19 Mar to 04:21 on Thu 20 Mar.", "fact": "1902-03-19T05:54:08Z → 1902-03-20T04:37:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 19th and 06:20 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2614 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Bamako, 1902: Wednesday 19 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": "1902-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-19", "confidence": "determinate" } ], "quote": "In Bamako, Āmalakī Ekādaśī 1902 falls on Wednesday 19 March. Ekādaśī runs from 05:37 on Wed 19 Mar to 04:21 on Thu 20 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-03-19", "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/1902/pradosha-vrata?on=1902-03-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24574, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-03-21T03:25:12-00:16", "utc": "1902-03-21T03:41:12Z", "ms": -2139077927786.5225 }, "end": { "local": "1902-03-22T02:51:17-00:16", "utc": "1902-03-22T03:07:17Z", "ms": -2138993563467.0256 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-21T03:25:12-00:16", "utc": "1902-03-21T03:41:12Z", "ms": -2139077927786.5225 }, "end": { "local": "1902-03-22T02:51:17-00:16", "utc": "1902-03-22T03:07:17Z", "ms": -2138993563467.0256 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-03-20", "window": { "start": { "local": "1902-03-20T18:26:35-00:16", "utc": "1902-03-20T18:42:35Z", "ms": -2139110245261.7847 }, "end": { "local": "1902-03-20T20:01:45-00:16", "utc": "1902-03-20T20:17:45Z", "ms": -2139104534689.8206 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1902-03-21", "window": { "start": { "local": "1902-03-21T18:26:38-00:16", "utc": "1902-03-21T18:42:38Z", "ms": -2139023842118.0085 }, "end": { "local": "1902-03-21T20:01:43-00:16", "utc": "1902-03-21T20:17:43Z", "ms": -2139018137205.9526 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:24 on Fri 21 Mar to 02:50 on Sat 22 Mar.", "fact": "1902-03-21T03:41:12Z → 1902-03-22T03:07:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:01 on the 20th, 18:26–20:01 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 20th and 95 of 95 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 24574 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Friday 21 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": "1902-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-21", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Friday 21 March. Trayodaśī runs from 03:24 on Fri 21 Mar to 02:50 on Sat 22 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29813, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-03-23T02:43:34-00:16", "utc": "1902-03-23T02:59:34Z", "ms": -2138907626005.0244 }, "end": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-23T02:43:34-00:16", "utc": "1902-03-23T02:59:34Z", "ms": -2138907626005.0244 }, "end": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 } }, "kaala": "sayahna", "days": [ { "local_date": "1902-03-22", "window": { "start": { "local": "1902-03-22T16:01:18-00:16", "utc": "1902-03-22T16:17:18Z", "ms": -2138946162340.8237 }, "end": { "local": "1902-03-22T18:26:41-00:16", "utc": "1902-03-22T18:42:41Z", "ms": -2138937439106.6323 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1902-03-23", "window": { "start": { "local": "1902-03-23T16:01:12-00:16", "utc": "1902-03-23T16:17:12Z", "ms": -2138859767904.0208 }, "end": { "local": "1902-03-23T18:26:44-00:16", "utc": "1902-03-23T18:42:44Z", "ms": -2138851036206.4531 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:43 on Sun 23 Mar to 03:04 on Mon 24 Mar.", "fact": "1902-03-23T02:59:34Z → 1902-03-24T03:21:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:00–18:26 on the 22nd, 16:00–18:26 on the 23rd.", "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 145 minutes on the 22nd and 146 of 146 on the 23rd.", "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 29813 s" }, { "step": "ruling", "text": "Holikā Dahana, Bamako, 1902: Sunday 23 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": "1902-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-23", "confidence": "determinate" } ], "quote": "In Bamako, Holikā Dahana 1902 falls on Sunday 23 March. Pūrṇimā runs from 02:43 on Sun 23 Mar to 03:04 on Mon 24 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29813, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-03-23T02:43:34-00:16", "utc": "1902-03-23T02:59:34Z", "ms": -2138907626005.0244 }, "end": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1902-03-23T02:43:34-00:16", "utc": "1902-03-23T02:59:34Z", "ms": -2138907626005.0244 }, "end": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 } }, "kaala": "sayahna", "days": [ { "local_date": "1902-03-22", "window": { "start": { "local": "1902-03-22T16:01:18-00:16", "utc": "1902-03-22T16:17:18Z", "ms": -2138946162340.8237 }, "end": { "local": "1902-03-22T18:26:41-00:16", "utc": "1902-03-22T18:42:41Z", "ms": -2138937439106.6323 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1902-03-23", "window": { "start": { "local": "1902-03-23T16:01:12-00:16", "utc": "1902-03-23T16:17:12Z", "ms": -2138859767904.0208 }, "end": { "local": "1902-03-23T18:26:44-00:16", "utc": "1902-03-23T18:42:44Z", "ms": -2138851036206.4531 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1902-03-23", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:43 on Sun 23 Mar to 03:04 on Mon 24 Mar.", "fact": "1902-03-23T02:59:34Z → 1902-03-24T03:21:13Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:00–18:26 on the 22nd, 16:00–18:26 on the 23rd.", "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 145 minutes on the 22nd and 146 of 146 on the 23rd.", "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 29813 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 23 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Bamako, 1902: Monday 24 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": "1902-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-24", "confidence": "determinate" } ], "quote": "In Bamako, Holī 1902 falls on Monday 24 March. It is kept the day after Holikā Dahana, which falls on Sunday 23 March. Pūrṇimā runs from 02:43 on Sun 23 Mar to 03:04 on Mon 24 Mar and covers all of sāyāhna on the 23rd.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8365, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 }, "end": { "local": "1902-03-25T03:58:22-00:16", "utc": "1902-03-25T04:14:22Z", "ms": -2138730338458.2524 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-03-24T03:05:13-00:16", "utc": "1902-03-24T03:21:13Z", "ms": -2138819927216.9854 }, "end": { "local": "1902-03-25T03:58:22-00:16", "utc": "1902-03-25T04:14:22Z", "ms": -2138730338458.2524 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-03-24", "window": { "start": { "local": "1902-03-24T06:18:26-00:16", "utc": "1902-03-24T06:34:26Z", "ms": -2138808334195.085 }, "end": { "local": "1902-03-24T06:18:26-00:16", "utc": "1902-03-24T06:34:26Z", "ms": -2138808334195.085 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-03-25", "window": { "start": { "local": "1902-03-25T06:17:46-00:16", "utc": "1902-03-25T06:33:46Z", "ms": -2138721973752.9885 }, "end": { "local": "1902-03-25T06:17:46-00:16", "utc": "1902-03-25T06:33:46Z", "ms": -2138721973752.9885 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:04 on Mon 24 Mar to 03:57 on Tue 25 Mar.", "fact": "1902-03-24T03:21:13Z → 1902-03-25T04:14:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 24th and 06:17 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 8365 s" }, { "step": "ruling", "text": "Vasantotsava, Bamako, 1902: Monday 24 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": "1902-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-24", "confidence": "determinate" } ], "quote": "In Bamako, Vasantotsava 1902 falls on Monday 24 March. Pratipadā runs from 03:04 on Mon 24 Mar to 03:57 on Tue 25 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-03-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38707, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-03-27T07:17:42-00:16", "utc": "1902-03-27T07:33:42Z", "ms": -2138545577766.1514 }, "end": { "local": "1902-03-28T09:35:46-00:16", "utc": "1902-03-28T09:51:46Z", "ms": -2138450894175.1482 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-03-27T07:17:42-00:16", "utc": "1902-03-27T07:33:42Z", "ms": -2138545577766.1514 }, "end": { "local": "1902-03-28T09:35:46-00:16", "utc": "1902-03-28T09:51:46Z", "ms": -2138450894175.1482 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-03-26", "window": { "start": { "local": "1902-03-26T20:32:35-00:16", "utc": "1902-03-26T20:48:35Z", "ms": -2138584284548.8003 }, "end": { "local": "1902-03-26T20:32:35-00:16", "utc": "1902-03-26T20:48:35Z", "ms": -2138584284548.8003 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-03-27", "window": { "start": { "local": "1902-03-27T21:21:27-00:16", "utc": "1902-03-27T21:37:27Z", "ms": -2138494952858.4495 }, "end": { "local": "1902-03-27T21:21:27-00:16", "utc": "1902-03-27T21:37:27Z", "ms": -2138494952858.4495 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:17 on Thu 27 Mar to 09:35 on Fri 28 Mar.", "fact": "1902-03-27T07:33:42Z → 1902-03-28T09:51:46Z" }, { "step": "kaala", "text": "Moonrise is at 20:32 on the 26th and 21:20 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 38707 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Thursday 27 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": "1902-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-03-27", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Thursday 27 March. Caturthī runs from 07:17 on Thu 27 Mar to 09:35 on Fri 28 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-03-27", "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/1902/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15652, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-03-31T17:05:20-00:16", "utc": "1902-03-31T17:21:20Z", "ms": -2138164720244.9172 }, "end": { "local": "1902-04-01T19:02:43-00:16", "utc": "1902-04-01T19:18:43Z", "ms": -2138071276673.6658 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-03-31T17:05:20-00:16", "utc": "1902-03-31T17:21:20Z", "ms": -2138164720244.9172 }, "end": { "local": "1902-04-01T19:02:43-00:16", "utc": "1902-04-01T19:18:43Z", "ms": -2138071276673.6658 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-03-31", "window": { "start": { "local": "1902-03-31T11:56:27-00:16", "utc": "1902-03-31T12:12:27Z", "ms": -2138183252688.835 }, "end": { "local": "1902-03-31T12:44:27-00:16", "utc": "1902-03-31T13:00:27Z", "ms": -2138180372688.835 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-01", "window": { "start": { "local": "1902-04-01T11:56:09-00:16", "utc": "1902-04-01T12:12:09Z", "ms": -2138096870904.5593 }, "end": { "local": "1902-04-01T12:44:09-00:16", "utc": "1902-04-01T13:00:09Z", "ms": -2138093990904.5593 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:04 on Mon 31 Mar to 19:02 on Tue 1 Apr.", "fact": "1902-03-31T17:21:20Z → 1902-04-01T19:18:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 31st, 11:55–12:43 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15652 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Bamako, 1902: Tuesday 1 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": "1902-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-01", "confidence": "determinate" } ], "quote": "In Bamako, Śītalāṣṭamī 1902 falls on Tuesday 1 April. Aṣṭamī runs from 17:04 on Mon 31 Mar to 19:02 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-04-04", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33000, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-04-03T21:01:13-00:16", "utc": "1902-04-03T21:17:13Z", "ms": -2137891366792.3867 }, "end": { "local": "1902-04-04T20:52:07-00:16", "utc": "1902-04-04T21:08:07Z", "ms": -2137805513171.885 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-03T21:01:13-00:16", "utc": "1902-04-03T21:17:13Z", "ms": -2137891366792.3867 }, "end": { "local": "1902-04-04T20:52:07-00:16", "utc": "1902-04-04T21:08:07Z", "ms": -2137805513171.885 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-04-04", "window": { "start": { "local": "1902-04-04T06:11:13-00:16", "utc": "1902-04-04T06:27:13Z", "ms": -2137858366791.1267 }, "end": { "local": "1902-04-04T06:11:13-00:16", "utc": "1902-04-04T06:27:13Z", "ms": -2137858366791.1267 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-04-05", "window": { "start": { "local": "1902-04-05T06:10:35-00:16", "utc": "1902-04-05T06:26:35Z", "ms": -2137772005306.8567 }, "end": { "local": "1902-04-05T06:10:35-00:16", "utc": "1902-04-05T06:26:35Z", "ms": -2137772005306.8567 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:00 on Thu 3 Apr to 20:51 on Fri 4 Apr.", "fact": "1902-04-03T21:17:13Z → 1902-04-04T21:08:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 4th and 06:10 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33000 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Bamako, 1902: Friday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-04", "confidence": "determinate" } ], "quote": "In Bamako, Pāpamocanī Ekādaśī 1902 falls on Friday 4 April. Ekādaśī runs from 21:00 on Thu 3 Apr to 20:51 on Fri 4 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-04-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-05", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 210, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-04-05T19:57:31-00:16", "utc": "1902-04-05T20:13:31Z", "ms": -2137722388525.0435 }, "end": { "local": "1902-04-06T18:21:44-00:16", "utc": "1902-04-06T18:37:44Z", "ms": -2137641736100.5774 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-05T19:57:31-00:16", "utc": "1902-04-05T20:13:31Z", "ms": -2137722388525.0435 }, "end": { "local": "1902-04-06T18:21:44-00:16", "utc": "1902-04-06T18:37:44Z", "ms": -2137641736100.5774 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-04-05", "window": { "start": { "local": "1902-04-05T18:27:20-00:16", "utc": "1902-04-05T18:43:20Z", "ms": -2137727799621.0603 }, "end": { "local": "1902-04-05T20:01:01-00:16", "utc": "1902-04-05T20:17:01Z", "ms": -2137722178816.939 } }, "covered_min": 3, "window_min": 94, "qualifies": true }, { "local_date": "1902-04-06", "window": { "start": { "local": "1902-04-06T18:27:24-00:16", "utc": "1902-04-06T18:43:24Z", "ms": -2137641396287.335 }, "end": { "local": "1902-04-06T20:00:59-00:16", "utc": "1902-04-06T20:16:59Z", "ms": -2137635780998.5583 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:57 on Sat 5 Apr to 18:21 on Sun 6 Apr.", "fact": "1902-04-05T20:13:31Z → 1902-04-06T18:37:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:00 on the 5th, 18:26–20:00 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 3 of 94 minutes on the 5th and 0 of 94 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 210 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Saturday 5 April.", "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": "1902-04-05", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-05", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Saturday 5 April. Trayodaśī runs from 19:57 on Sat 5 Apr to 18:21 on Sun 6 Apr and covers 3 of 94 minutes of pradoṣa that evening. It is 3 min 30 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-04-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-04-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19957, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-04-06T18:21:44-00:16", "utc": "1902-04-06T18:37:44Z", "ms": -2137641736100.5774 }, "end": { "local": "1902-04-07T16:11:15-00:16", "utc": "1902-04-07T16:27:15Z", "ms": -2137563164804.0774 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-06T18:21:44-00:16", "utc": "1902-04-06T18:37:44Z", "ms": -2137641736100.5774 }, "end": { "local": "1902-04-07T16:11:15-00:16", "utc": "1902-04-07T16:27:15Z", "ms": -2137563164804.0774 } }, "kaala": "nishita", "days": [ { "local_date": "1902-04-06", "window": { "start": { "local": "1902-04-06T23:54:21-00:16", "utc": "1902-04-07T00:10:21Z", "ms": -2137621778954.4229 }, "end": { "local": "1902-04-07T00:42:21-00:16", "utc": "1902-04-07T00:58:21Z", "ms": -2137618898954.4229 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-04-07", "window": { "start": { "local": "1902-04-07T23:54:04-00:16", "utc": "1902-04-08T00:10:04Z", "ms": -2137535396095.9019 }, "end": { "local": "1902-04-08T00:42:04-00:16", "utc": "1902-04-08T00:58:04Z", "ms": -2137532516095.9019 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:21 on Sun 6 Apr to 16:10 on Mon 7 Apr.", "fact": "1902-04-06T18:37:44Z → 1902-04-07T16:27:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 6th, 23:53–00:41 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19957 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Sunday 6 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": "1902-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-06", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Sunday 6 April. Caturdaśī runs from 18:21 on Sun 6 Apr to 16:10 on Mon 7 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3111, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-04-08T13:33:57-00:16", "utc": "1902-04-08T13:49:57Z", "ms": -2137486203109.1514 }, "end": { "local": "1902-04-09T10:38:18-00:16", "utc": "1902-04-09T10:54:18Z", "ms": -2137410342380.6704 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-08T13:33:57-00:16", "utc": "1902-04-08T13:49:57Z", "ms": -2137486203109.1514 }, "end": { "local": "1902-04-09T10:38:18-00:16", "utc": "1902-04-09T10:54:18Z", "ms": -2137410342380.6704 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-08", "window": { "start": { "local": "1902-04-08T11:54:06-00:16", "utc": "1902-04-08T12:10:06Z", "ms": -2137492194279.7998 }, "end": { "local": "1902-04-08T12:42:06-00:16", "utc": "1902-04-08T12:58:06Z", "ms": -2137489314279.7998 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-09", "window": { "start": { "local": "1902-04-09T11:53:49-00:16", "utc": "1902-04-09T12:09:49Z", "ms": -2137405811118.8594 }, "end": { "local": "1902-04-09T12:41:49-00:16", "utc": "1902-04-09T12:57:49Z", "ms": -2137402931118.8594 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 13:33 on Tue 8 Apr to 10:37 on Wed 9 Apr.", "fact": "1902-04-08T13:49:57Z → 1902-04-09T10:54:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 8th, 11:53–12:41 on the 9th.", "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 8th and 0 of 48 on the 9th.", "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 3111 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Bamako, 1902: Wednesday 9 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": "1902-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-09", "confidence": "boundary" } ], "quote": "In Bamako, Navarātrārambha (Caitra) (Chaitra Navratri) 1902 falls on Wednesday 9 April. Pratipadā runs from 13:33 on Tue 8 Apr to 10:37 on Wed 9 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15641, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-04-10T07:32:51-00:16", "utc": "1902-04-10T07:48:51Z", "ms": -2137335069047.386 }, "end": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-10T07:32:51-00:16", "utc": "1902-04-10T07:48:51Z", "ms": -2137335069047.386 }, "end": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-10", "window": { "start": { "local": "1902-04-10T11:53:32-00:16", "utc": "1902-04-10T12:09:32Z", "ms": -2137319427720.0942 }, "end": { "local": "1902-04-10T12:41:32-00:16", "utc": "1902-04-10T12:57:32Z", "ms": -2137316547720.0942 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-04-11", "window": { "start": { "local": "1902-04-11T11:53:16-00:16", "utc": "1902-04-11T12:09:16Z", "ms": -2137233044071.2285 }, "end": { "local": "1902-04-11T12:41:16-00:16", "utc": "1902-04-11T12:57:16Z", "ms": -2137230164071.2285 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:32 on Thu 10 Apr to 04:25 on Fri 11 Apr.", "fact": "1902-04-10T07:48:51Z → 1902-04-11T04:41:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 10th, 11:52–12:40 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15641 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Bamako, 1902: Thursday 10 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": "1902-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-10", "confidence": "determinate" } ], "quote": "In Bamako, Gaurī Tṛtīyā (Gangaur) 1902 falls on Thursday 10 April. Tṛtīyā runs from 07:32 on Thu 10 Apr to 04:25 on Fri 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15641, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-04-10T07:32:51-00:16", "utc": "1902-04-10T07:48:51Z", "ms": -2137335069047.386 }, "end": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-10T07:32:51-00:16", "utc": "1902-04-10T07:48:51Z", "ms": -2137335069047.386 }, "end": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-10", "window": { "start": { "local": "1902-04-10T11:53:32-00:16", "utc": "1902-04-10T12:09:32Z", "ms": -2137319427720.0942 }, "end": { "local": "1902-04-10T12:41:32-00:16", "utc": "1902-04-10T12:57:32Z", "ms": -2137316547720.0942 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-04-11", "window": { "start": { "local": "1902-04-11T11:53:16-00:16", "utc": "1902-04-11T12:09:16Z", "ms": -2137233044071.2285 }, "end": { "local": "1902-04-11T12:41:16-00:16", "utc": "1902-04-11T12:57:16Z", "ms": -2137230164071.2285 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:32 on Thu 10 Apr to 04:25 on Fri 11 Apr.", "fact": "1902-04-10T07:48:51Z → 1902-04-11T04:41:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 10th, 11:52–12:40 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15641 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Bamako, 1902: Thursday 10 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": "1902-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-10", "confidence": "determinate" } ], "quote": "In Bamako, Saubhāgya Śayana Vrata 1902 falls on Thursday 10 April. Tṛtīyā runs from 07:32 on Thu 10 Apr to 04:25 on Fri 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-04-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26844, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 }, "end": { "local": "1902-04-12T01:25:01-00:16", "utc": "1902-04-12T01:41:01Z", "ms": -2137184339302.69 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-11T04:25:52-00:16", "utc": "1902-04-11T04:41:52Z", "ms": -2137259887881.2344 }, "end": { "local": "1902-04-12T01:25:01-00:16", "utc": "1902-04-12T01:41:01Z", "ms": -2137184339302.69 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-11", "window": { "start": { "local": "1902-04-11T11:53:16-00:16", "utc": "1902-04-11T12:09:16Z", "ms": -2137233044071.2285 }, "end": { "local": "1902-04-11T12:41:16-00:16", "utc": "1902-04-11T12:57:16Z", "ms": -2137230164071.2285 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-04-12", "window": { "start": { "local": "1902-04-12T11:53:00-00:16", "utc": "1902-04-12T12:09:00Z", "ms": -2137146660159.6936 }, "end": { "local": "1902-04-12T12:41:00-00:16", "utc": "1902-04-12T12:57:00Z", "ms": -2137143780159.6936 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:25 on Fri 11 Apr to 01:24 on Sat 12 Apr.", "fact": "1902-04-11T04:41:52Z → 1902-04-12T01:41:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 11th, 11:52–12:40 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 26844 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Friday 11 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": "1902-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-11", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Friday 11 April. Caturthī runs from 04:25 on Fri 11 Apr to 01:24 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-04-11", "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/1902/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35767, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-04-12T01:25:01-00:16", "utc": "1902-04-12T01:41:01Z", "ms": -2137184339302.69 }, "end": { "local": "1902-04-12T22:37:07-00:16", "utc": "1902-04-12T22:53:07Z", "ms": -2137108013043.0251 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-12T01:25:01-00:16", "utc": "1902-04-12T01:41:01Z", "ms": -2137184339302.69 }, "end": { "local": "1902-04-12T22:37:07-00:16", "utc": "1902-04-12T22:53:07Z", "ms": -2137108013043.0251 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-11", "window": { "start": { "local": "1902-04-11T11:53:16-00:16", "utc": "1902-04-11T12:09:16Z", "ms": -2137233044071.2285 }, "end": { "local": "1902-04-11T12:41:16-00:16", "utc": "1902-04-11T12:57:16Z", "ms": -2137230164071.2285 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-12", "window": { "start": { "local": "1902-04-12T11:53:00-00:16", "utc": "1902-04-12T12:09:00Z", "ms": -2137146660159.6936 }, "end": { "local": "1902-04-12T12:41:00-00:16", "utc": "1902-04-12T12:57:00Z", "ms": -2137143780159.6936 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:24 on Sat 12 Apr to 22:36 on Sat 12 Apr.", "fact": "1902-04-12T01:41:01Z → 1902-04-12T22:53:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 11th, 11:52–12:40 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35767 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Bamako, 1902: Saturday 12 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": "1902-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-12", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pañcamī 1902 falls on Saturday 12 April. Pañcamī runs from 01:24 on Sat 12 Apr to 22:36 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8723, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1902-04-13T08:30:59-00:16", "utc": "1902-04-13T08:46:59Z", "ms": -2137072380904.5496 }, "end": { "local": "1902-05-14T05:32:26-00:16", "utc": "1902-05-14T05:48:26Z", "ms": -2134404693974.2546 } }, "span": { "of": "transit", "start": { "local": "1902-04-13T08:30:59-00:16", "utc": "1902-04-13T08:46:59Z", "ms": -2137072380904.5496 }, "end": { "local": "1902-04-13T08:30:59-00:16", "utc": "1902-04-13T08:46:59Z", "ms": -2137072380904.5496 } }, "kaala": "day", "days": [ { "local_date": "1902-04-12", "window": { "start": { "local": "1902-04-12T06:06:13-00:16", "utc": "1902-04-12T06:22:13Z", "ms": -2137167467381.7847 }, "end": { "local": "1902-04-13T06:05:36-00:16", "utc": "1902-04-13T06:21:36Z", "ms": -2137081103535.94 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "1902-04-13", "window": { "start": { "local": "1902-04-13T06:05:36-00:16", "utc": "1902-04-13T06:21:36Z", "ms": -2137081103535.94 }, "end": { "local": "1902-04-14T06:05:01-00:16", "utc": "1902-04-14T06:21:01Z", "ms": -2136994739316.1594 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 08:30 on Sun 13 Apr.", "fact": "1902-04-13T08:46:59Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:05 on the 12th, and from 06:05 on the 13th.", "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 12th.", "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 8723 s" }, { "step": "ruling", "text": "Vaiśākhī, Bamako, 1902: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1902-04-13", "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": "sunset-rule", "local_date": "1902-04-13", "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 1902 falls on Sunday 13 April. The Sun enters Meṣa at 08:30 on Sun 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13406, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-04-14T18:02:23-00:16", "utc": "1902-04-14T18:18:23Z", "ms": -2136951697450.067 }, "end": { "local": "1902-04-15T16:23:39-00:16", "utc": "1902-04-15T16:39:39Z", "ms": -2136871220632.6465 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-14T18:02:23-00:16", "utc": "1902-04-14T18:18:23Z", "ms": -2136951697450.067 }, "end": { "local": "1902-04-15T16:23:39-00:16", "utc": "1902-04-15T16:39:39Z", "ms": -2136871220632.6465 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-14", "window": { "start": { "local": "1902-04-14T11:52:29-00:16", "utc": "1902-04-14T12:08:29Z", "ms": -2136973891494.7385 }, "end": { "local": "1902-04-14T12:40:29-00:16", "utc": "1902-04-14T12:56:29Z", "ms": -2136971011494.7385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-15", "window": { "start": { "local": "1902-04-15T11:52:13-00:16", "utc": "1902-04-15T12:08:13Z", "ms": -2136887506712.1077 }, "end": { "local": "1902-04-15T12:40:13-00:16", "utc": "1902-04-15T12:56:13Z", "ms": -2136884626712.1077 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:01 on Mon 14 Apr to 16:23 on Tue 15 Apr.", "fact": "1902-04-14T18:18:23Z → 1902-04-15T16:39:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 14th, 11:51–12:39 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13406 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Bamako, 1902: Tuesday 15 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": "1902-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-15", "confidence": "determinate" } ], "quote": "In Bamako, Bhavānī Utpatti 1902 falls on Tuesday 15 April. Aṣṭamī runs from 18:01 on Mon 14 Apr to 16:23 on Tue 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9246, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1902-04-15T16:23:39-00:16", "utc": "1902-04-15T16:39:39Z", "ms": -2136871220632.6465 }, "end": { "local": "1902-04-16T15:14:04-00:16", "utc": "1902-04-16T15:30:04Z", "ms": -2136788995744.1472 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-15T16:23:39-00:16", "utc": "1902-04-15T16:39:39Z", "ms": -2136871220632.6465 }, "end": { "local": "1902-04-16T15:14:04-00:16", "utc": "1902-04-16T15:30:04Z", "ms": -2136788995744.1472 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-15", "window": { "start": { "local": "1902-04-15T11:52:13-00:16", "utc": "1902-04-15T12:08:13Z", "ms": -2136887506712.1077 }, "end": { "local": "1902-04-15T12:40:13-00:16", "utc": "1902-04-15T12:56:13Z", "ms": -2136884626712.1077 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-16", "window": { "start": { "local": "1902-04-16T11:51:58-00:16", "utc": "1902-04-16T12:07:58Z", "ms": -2136801121608.4644 }, "end": { "local": "1902-04-16T12:39:58-00:16", "utc": "1902-04-16T12:55:58Z", "ms": -2136798241608.4644 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 16:23 on Tue 15 Apr to 15:13 on Wed 16 Apr.", "fact": "1902-04-15T16:39:39Z → 1902-04-16T15:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 on the 16th.", "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 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: unstated → only-day · margin 9246 s" }, { "step": "ruling", "text": "Rāma Navamī, Bamako, 1902: Wednesday 16 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": "1902-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-16", "confidence": "determinate" } ], "quote": "In Bamako, Rāma Navamī 1902 falls on Wednesday 16 April. Navamī runs from 16:23 on Tue 15 Apr to 15:13 on Wed 16 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-04-18", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30182, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-04-17T14:34:43-00:16", "utc": "1902-04-17T14:50:43Z", "ms": -2136704957224.0044 }, "end": { "local": "1902-04-18T14:25:44-00:16", "utc": "1902-04-18T14:41:44Z", "ms": -2136619096185.158 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-17T14:34:43-00:16", "utc": "1902-04-17T14:50:43Z", "ms": -2136704957224.0044 }, "end": { "local": "1902-04-18T14:25:44-00:16", "utc": "1902-04-18T14:41:44Z", "ms": -2136619096185.158 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-04-17", "window": { "start": { "local": "1902-04-17T06:03:16-00:16", "utc": "1902-04-17T06:19:16Z", "ms": -2136735644215.3635 }, "end": { "local": "1902-04-17T06:03:16-00:16", "utc": "1902-04-17T06:19:16Z", "ms": -2136735644215.3635 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-04-18", "window": { "start": { "local": "1902-04-18T06:02:42-00:16", "utc": "1902-04-18T06:18:42Z", "ms": -2136649278298.5183 }, "end": { "local": "1902-04-18T06:02:42-00:16", "utc": "1902-04-18T06:18:42Z", "ms": -2136649278298.5183 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:34 on Thu 17 Apr to 14:25 on Fri 18 Apr.", "fact": "1902-04-17T14:50:43Z → 1902-04-18T14:41:44Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 17th and 06:02 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30182 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Bamako, 1902: Friday 18 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": "1902-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-18", "confidence": "determinate" } ], "quote": "In Bamako, Kāmadā Ekādaśī 1902 falls on Friday 18 April. Ekādaśī runs from 14:34 on Thu 17 Apr to 14:25 on Fri 18 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-04-18", "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/1902/pradosha-vrata?on=1902-04-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10350, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-04-19T14:46:32-00:16", "utc": "1902-04-19T15:02:32Z", "ms": -2136531447706.4412 }, "end": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-19T14:46:32-00:16", "utc": "1902-04-19T15:02:32Z", "ms": -2136531447706.4412 }, "end": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-04-19", "window": { "start": { "local": "1902-04-19T18:28:23-00:16", "utc": "1902-04-19T18:44:23Z", "ms": -2136518136504.6172 }, "end": { "local": "1902-04-19T20:00:49-00:16", "utc": "1902-04-19T20:16:49Z", "ms": -2136512590972.1038 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1902-04-20", "window": { "start": { "local": "1902-04-20T18:28:30-00:16", "utc": "1902-04-20T18:44:30Z", "ms": -2136431730286.1099 }, "end": { "local": "1902-04-20T20:00:50-00:16", "utc": "1902-04-20T20:16:50Z", "ms": -2136426189927.4778 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:46 on Sat 19 Apr to 15:35 on Sun 20 Apr.", "fact": "1902-04-19T15:02:32Z → 1902-04-20T15:51:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:00 on the 19th, 18:27–20:00 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 19th and 0 of 92 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10350 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Saturday 19 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": "1902-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-19", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Saturday 19 April. Trayodaśī runs from 14:46 on Sat 19 Apr to 15:35 on Sun 20 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-04-19", "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/1902/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7636, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-04-19T14:46:32-00:16", "utc": "1902-04-19T15:02:32Z", "ms": -2136531447706.4412 }, "end": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-19T14:46:32-00:16", "utc": "1902-04-19T15:02:32Z", "ms": -2136531447706.4412 }, "end": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-19", "window": { "start": { "local": "1902-04-19T11:51:16-00:16", "utc": "1902-04-19T12:07:16Z", "ms": -2136541964204.4292 }, "end": { "local": "1902-04-19T12:39:16-00:16", "utc": "1902-04-19T12:55:16Z", "ms": -2136539084204.4292 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-20", "window": { "start": { "local": "1902-04-20T11:51:02-00:16", "utc": "1902-04-20T12:07:02Z", "ms": -2136455577648.4385 }, "end": { "local": "1902-04-20T12:39:02-00:16", "utc": "1902-04-20T12:55:02Z", "ms": -2136452697648.4385 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:46 on Sat 19 Apr to 15:35 on Sun 20 Apr.", "fact": "1902-04-19T15:02:32Z → 1902-04-20T15:51:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 19th, 11:50–12:38 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7636 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Bamako, 1902: Sunday 20 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": "1902-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-20", "confidence": "determinate" } ], "quote": "In Bamako, Anaṅga Trayodaśī 1902 falls on Sunday 20 April. Trayodaśī runs from 14:46 on Sat 19 Apr to 15:35 on Sun 20 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10617, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 }, "end": { "local": "1902-04-21T16:52:25-00:16", "utc": "1902-04-21T17:08:25Z", "ms": -2136351095415.1855 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-20T15:35:59-00:16", "utc": "1902-04-20T15:51:59Z", "ms": -2136442080772.0122 }, "end": { "local": "1902-04-21T16:52:25-00:16", "utc": "1902-04-21T17:08:25Z", "ms": -2136351095415.1855 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-20", "window": { "start": { "local": "1902-04-20T11:51:02-00:16", "utc": "1902-04-20T12:07:02Z", "ms": -2136455577648.4385 }, "end": { "local": "1902-04-20T12:39:02-00:16", "utc": "1902-04-20T12:55:02Z", "ms": -2136452697648.4385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-21", "window": { "start": { "local": "1902-04-21T11:50:49-00:16", "utc": "1902-04-21T12:06:49Z", "ms": -2136369190686.6963 }, "end": { "local": "1902-04-21T12:38:49-00:16", "utc": "1902-04-21T12:54:49Z", "ms": -2136366310686.6963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:35 on Sun 20 Apr to 16:51 on Mon 21 Apr.", "fact": "1902-04-20T15:51:59Z → 1902-04-21T17:08:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 20th, 11:50–12:38 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10617 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Bamako, 1902: Monday 21 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": "1902-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-21", "confidence": "determinate" } ], "quote": "In Bamako, Viṣṇudamanaka Caturdaśī 1902 falls on Monday 21 April. Caturdaśī runs from 15:35 on Sun 20 Apr to 16:51 on Mon 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15215, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-04-21T16:52:25-00:16", "utc": "1902-04-21T17:08:25Z", "ms": -2136351095415.1855 }, "end": { "local": "1902-04-22T18:33:30-00:16", "utc": "1902-04-22T18:49:30Z", "ms": -2136258630089.837 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1902-04-21T16:52:25-00:16", "utc": "1902-04-21T17:08:25Z", "ms": -2136351095415.1855 }, "end": { "local": "1902-04-22T18:33:30-00:16", "utc": "1902-04-22T18:49:30Z", "ms": -2136258630089.837 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-04-21", "window": { "start": { "local": "1902-04-21T11:50:49-00:16", "utc": "1902-04-21T12:06:49Z", "ms": -2136369190686.6963 }, "end": { "local": "1902-04-21T12:38:49-00:16", "utc": "1902-04-21T12:54:49Z", "ms": -2136366310686.6963 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-04-22", "window": { "start": { "local": "1902-04-22T11:50:37-00:16", "utc": "1902-04-22T12:06:37Z", "ms": -2136282803302.5337 }, "end": { "local": "1902-04-22T12:38:37-00:16", "utc": "1902-04-22T12:54:37Z", "ms": -2136279923302.5337 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:51 on Mon 21 Apr to 18:32 on Tue 22 Apr.", "fact": "1902-04-21T17:08:25Z → 1902-04-22T18:49:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 21st, 11:50–12:38 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15215 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Bamako, 1902: Tuesday 22 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": "1902-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-22", "confidence": "determinate" } ], "quote": "In Bamako, Caitrī Pūrṇimā 1902 falls on Tuesday 22 April. Pūrṇimā runs from 16:51 on Mon 21 Apr to 18:32 on Tue 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-04-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16338, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-04-26T01:25:16-00:16", "utc": "1902-04-26T01:41:16Z", "ms": -2135974724129.5552 }, "end": { "local": "1902-04-27T03:57:31-00:16", "utc": "1902-04-27T04:13:31Z", "ms": -2135879188601.8293 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-04-26T01:25:16-00:16", "utc": "1902-04-26T01:41:16Z", "ms": -2135974724129.5552 }, "end": { "local": "1902-04-27T03:57:31-00:16", "utc": "1902-04-27T04:13:31Z", "ms": -2135879188601.8293 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-04-25", "window": { "start": { "local": "1902-04-25T20:52:58-00:16", "utc": "1902-04-25T21:08:58Z", "ms": -2135991061761.3105 }, "end": { "local": "1902-04-25T20:52:58-00:16", "utc": "1902-04-25T21:08:58Z", "ms": -2135991061761.3105 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-04-26", "window": { "start": { "local": "1902-04-26T21:41:06-00:16", "utc": "1902-04-26T21:57:06Z", "ms": -2135901773553.4033 }, "end": { "local": "1902-04-26T21:41:06-00:16", "utc": "1902-04-26T21:57:06Z", "ms": -2135901773553.4033 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:24 on Sat 26 Apr to 03:57 on Sun 27 Apr.", "fact": "1902-04-26T01:41:16Z → 1902-04-27T04:13:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:52 on the 25th and 21:40 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16338 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Saturday 26 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": "1902-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-04-26", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Saturday 26 April. Caturthī runs from 01:24 on Sat 26 Apr to 03:57 on Sun 27 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-04-26", "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/1902/ekadashi?on=1902-05-04", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13259, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-05-03T10:52:39-00:16", "utc": "1902-05-03T11:08:39Z", "ms": -2135335881463.6917 }, "end": { "local": "1902-05-04T09:35:54-00:16", "utc": "1902-05-04T09:51:54Z", "ms": -2135254085595.8877 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-03T10:52:39-00:16", "utc": "1902-05-03T11:08:39Z", "ms": -2135335881463.6917 }, "end": { "local": "1902-05-04T09:35:54-00:16", "utc": "1902-05-04T09:51:54Z", "ms": -2135254085595.8877 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-05-03", "window": { "start": { "local": "1902-05-03T05:55:19-00:16", "utc": "1902-05-03T06:11:19Z", "ms": -2135353720626.6318 }, "end": { "local": "1902-05-03T05:55:19-00:16", "utc": "1902-05-03T06:11:19Z", "ms": -2135353720626.6318 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-05-04", "window": { "start": { "local": "1902-05-04T05:54:55-00:16", "utc": "1902-05-04T06:10:55Z", "ms": -2135267344673.4646 }, "end": { "local": "1902-05-04T05:54:55-00:16", "utc": "1902-05-04T06:10:55Z", "ms": -2135267344673.4646 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:52 on Sat 3 May to 09:35 on Sun 4 May.", "fact": "1902-05-03T11:08:39Z → 1902-05-04T09:51:54Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 3rd and 05:54 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13259 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Bamako, 1902: Sunday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-04", "confidence": "determinate" } ], "quote": "In Bamako, Varūthinī Ekādaśī 1902 falls on Sunday 4 May. Ekādaśī runs from 10:52 on Sat 3 May to 09:35 on Sun 4 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-05-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32302, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-05-05T07:36:27-00:16", "utc": "1902-05-05T07:52:27Z", "ms": -2135174852938.4055 }, "end": { "local": "1902-05-06T05:00:12-00:16", "utc": "1902-05-06T05:16:12Z", "ms": -2135097827925.025 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-05T07:36:27-00:16", "utc": "1902-05-05T07:52:27Z", "ms": -2135174852938.4055 }, "end": { "local": "1902-05-06T05:00:12-00:16", "utc": "1902-05-06T05:16:12Z", "ms": -2135097827925.025 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-05-04", "window": { "start": { "local": "1902-05-04T18:30:32-00:16", "utc": "1902-05-04T18:46:32Z", "ms": -2135222008485.485 }, "end": { "local": "1902-05-04T20:01:44-00:16", "utc": "1902-05-04T20:17:44Z", "ms": -2135216536414.7744 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1902-05-05", "window": { "start": { "local": "1902-05-05T18:30:43-00:16", "utc": "1902-05-05T18:46:43Z", "ms": -2135135597074.656 }, "end": { "local": "1902-05-05T20:01:50-00:16", "utc": "1902-05-05T20:17:50Z", "ms": -2135130129526.3635 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:35 on Mon 5 May to 04:59 on Tue 6 May.", "fact": "1902-05-05T07:52:27Z → 1902-05-06T05:16:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:01 on the 4th, 18:30–20:01 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 4th and 91 of 91 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32302 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Monday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-05", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Monday 5 May. Trayodaśī runs from 07:35 on Mon 5 May to 04:59 on Tue 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-05-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4707, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-05-06T05:00:12-00:16", "utc": "1902-05-06T05:16:12Z", "ms": -2135097827925.025 }, "end": { "local": "1902-05-07T01:54:48-00:16", "utc": "1902-05-07T02:10:48Z", "ms": -2135022551666.6208 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-06T05:00:12-00:16", "utc": "1902-05-06T05:16:12Z", "ms": -2135097827925.025 }, "end": { "local": "1902-05-07T01:54:48-00:16", "utc": "1902-05-07T02:10:48Z", "ms": -2135022551666.6208 } }, "kaala": "nishita", "days": [ { "local_date": "1902-05-05", "window": { "start": { "local": "1902-05-05T23:48:26-00:16", "utc": "1902-05-06T00:04:26Z", "ms": -2135116533768.5588 }, "end": { "local": "1902-05-06T00:36:26-00:16", "utc": "1902-05-06T00:52:26Z", "ms": -2135113653768.5588 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-05-06", "window": { "start": { "local": "1902-05-06T23:48:21-00:16", "utc": "1902-05-07T00:04:21Z", "ms": -2135030138744.4111 }, "end": { "local": "1902-05-07T00:36:21-00:16", "utc": "1902-05-07T00:52:21Z", "ms": -2135027258744.4111 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:59 on Tue 6 May to 01:54 on Wed 7 May.", "fact": "1902-05-06T05:16:12Z → 1902-05-07T02:10:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 5th, 23:47–00:35 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4707 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Tuesday 6 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": "1902-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-06", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Tuesday 6 May. Caturdaśī runs from 04:59 on Tue 6 May to 01:54 on Wed 7 May and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-05-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11836, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-05-09T15:14:16-00:16", "utc": "1902-05-09T15:30:16Z", "ms": -2134801784315.2542 }, "end": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-09T15:14:16-00:16", "utc": "1902-05-09T15:30:16Z", "ms": -2134801784315.2542 }, "end": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-05-09", "window": { "start": { "local": "1902-05-09T18:31:32-00:16", "utc": "1902-05-09T18:47:32Z", "ms": -2134789947878.4167 }, "end": { "local": "1902-05-09T20:02:22-00:16", "utc": "1902-05-09T20:18:22Z", "ms": -2134784497844.3396 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "1902-05-10", "window": { "start": { "local": "1902-05-10T18:31:45-00:16", "utc": "1902-05-10T18:47:45Z", "ms": -2134703534736.2778 }, "end": { "local": "1902-05-10T20:02:31-00:16", "utc": "1902-05-10T20:18:31Z", "ms": -2134698088927.9866 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:13 on Fri 9 May to 11:43 on Sat 10 May.", "fact": "1902-05-09T15:30:16Z → 1902-05-10T12:00:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:01 on the 9th, 18:31–20:02 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 91 of 91 minutes on the 9th and 0 of 91 on the 10th.", "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 11836 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Bamako, 1902: Friday 9 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": "1902-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-09", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Jayantī 1902 falls on Friday 9 May. Tṛtīyā runs from 15:13 on Fri 9 May to 11:43 on Sat 10 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5923, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-05-09T15:14:16-00:16", "utc": "1902-05-09T15:30:16Z", "ms": -2134801784315.2542 }, "end": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-09T15:14:16-00:16", "utc": "1902-05-09T15:30:16Z", "ms": -2134801784315.2542 }, "end": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 } }, "kaala": "purvahna", "days": [ { "local_date": "1902-05-09", "window": { "start": { "local": "1902-05-09T05:53:07-00:16", "utc": "1902-05-09T06:09:07Z", "ms": -2134835453272.2544 }, "end": { "local": "1902-05-09T10:05:55-00:16", "utc": "1902-05-09T10:21:55Z", "ms": -2134820284807.6418 } }, "covered_min": 0, "window_min": 253, "qualifies": false }, { "local_date": "1902-05-10", "window": { "start": { "local": "1902-05-10T05:52:47-00:16", "utc": "1902-05-10T06:08:47Z", "ms": -2134749072622.8374 }, "end": { "local": "1902-05-10T10:05:47-00:16", "utc": "1902-05-10T10:21:47Z", "ms": -2134733893327.3176 } }, "covered_min": 253, "window_min": 253, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:13 on Fri 9 May to 11:43 on Sat 10 May.", "fact": "1902-05-09T15:30:16Z → 1902-05-10T12:00:29Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:52–10:05 on the 9th, 05:52–10:05 on the 10th.", "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 253 minutes on the 9th and 253 of 253 on the 10th.", "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 5923 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Bamako, 1902: Saturday 10 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": "1902-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-10", "confidence": "determinate" } ], "quote": "In Bamako, Akṣaya Tṛtīyā 1902 falls on Saturday 10 May. Tṛtīyā runs from 15:13 on Fri 9 May to 11:43 on Sat 10 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-05-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 227, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 }, "end": { "local": "1902-05-11T08:32:07-00:16", "utc": "1902-05-11T08:48:07Z", "ms": -2134653112844.0295 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-10T11:44:29-00:16", "utc": "1902-05-10T12:00:29Z", "ms": -2134727970812.3564 }, "end": { "local": "1902-05-11T08:32:07-00:16", "utc": "1902-05-11T08:48:07Z", "ms": -2134653112844.0295 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-10", "window": { "start": { "local": "1902-05-10T11:48:16-00:16", "utc": "1902-05-10T12:04:16Z", "ms": -2134727743679.5576 }, "end": { "local": "1902-05-10T12:36:16-00:16", "utc": "1902-05-10T12:52:16Z", "ms": -2134724863679.5576 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-11", "window": { "start": { "local": "1902-05-11T11:48:14-00:16", "utc": "1902-05-11T12:04:14Z", "ms": -2134641346225.7974 }, "end": { "local": "1902-05-11T12:36:14-00:16", "utc": "1902-05-11T12:52:14Z", "ms": -2134638466225.7974 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:43 on Sat 10 May to 08:31 on Sun 11 May.", "fact": "1902-05-10T12:00:29Z → 1902-05-11T08:48:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 10th, 11:47–12:35 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 227 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Saturday 10 May.", "fact": "confidence: boundary (margin)" } ], "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": "1902-05-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-10", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Saturday 10 May. Caturthī runs from 11:43 on Sat 10 May to 08:31 on Sun 11 May and covers all of madhyāhna that midday. It is 3 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-05-10", "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/1902/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11767, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-05-11T08:32:07-00:16", "utc": "1902-05-11T08:48:07Z", "ms": -2134653112844.0295 }, "end": { "local": "1902-05-12T05:45:29-00:16", "utc": "1902-05-12T06:01:29Z", "ms": -2134576710553.2732 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-11T08:32:07-00:16", "utc": "1902-05-11T08:48:07Z", "ms": -2134653112844.0295 }, "end": { "local": "1902-05-12T05:45:29-00:16", "utc": "1902-05-12T06:01:29Z", "ms": -2134576710553.2732 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-11", "window": { "start": { "local": "1902-05-11T11:48:14-00:16", "utc": "1902-05-11T12:04:14Z", "ms": -2134641346225.7974 }, "end": { "local": "1902-05-11T12:36:14-00:16", "utc": "1902-05-11T12:52:14Z", "ms": -2134638466225.7974 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-12", "window": { "start": { "local": "1902-05-12T11:48:12-00:16", "utc": "1902-05-12T12:04:12Z", "ms": -2134554948216.9526 }, "end": { "local": "1902-05-12T12:36:12-00:16", "utc": "1902-05-12T12:52:12Z", "ms": -2134552068216.9526 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:31 on Sun 11 May to 05:44 on Mon 12 May.", "fact": "1902-05-11T08:48:07Z → 1902-05-12T06:01:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 11th, 11:47–12:35 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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: unstated → only-day · margin 11767 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Bamako, 1902: Sunday 11 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": "1902-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-11", "confidence": "determinate" } ], "quote": "In Bamako, Śaṅkara Jayantī 1902 falls on Sunday 11 May. Pañcamī runs from 08:31 on Sun 11 May to 05:44 on Mon 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29790, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-05-13T03:31:40-00:16", "utc": "1902-05-13T03:47:40Z", "ms": -2134498339631.1436 }, "end": { "local": "1902-05-14T01:55:59-00:16", "utc": "1902-05-14T02:11:59Z", "ms": -2134417680565.7227 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-13T03:31:40-00:16", "utc": "1902-05-13T03:47:40Z", "ms": -2134498339631.1436 }, "end": { "local": "1902-05-14T01:55:59-00:16", "utc": "1902-05-14T02:11:59Z", "ms": -2134417680565.7227 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-13", "window": { "start": { "local": "1902-05-13T11:48:10-00:16", "utc": "1902-05-13T12:04:10Z", "ms": -2134468549655.25 }, "end": { "local": "1902-05-13T12:36:10-00:16", "utc": "1902-05-13T12:52:10Z", "ms": -2134465669655.25 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-14", "window": { "start": { "local": "1902-05-14T11:48:09-00:16", "utc": "1902-05-14T12:04:09Z", "ms": -2134382150542.2993 }, "end": { "local": "1902-05-14T12:36:09-00:16", "utc": "1902-05-14T12:52:09Z", "ms": -2134379270542.2993 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:31 on Tue 13 May to 01:55 on Wed 14 May.", "fact": "1902-05-13T03:47:40Z → 1902-05-14T02:11:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 13th, 11:47–12:35 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29790 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Bamako, 1902: Tuesday 13 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": "1902-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-13", "confidence": "determinate" } ], "quote": "In Bamako, Gaṅgotpatti (Ganga Saptami) 1902 falls on Tuesday 13 May. Saptamī runs from 03:31 on Tue 13 May to 01:55 on Wed 14 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-05-17", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12653, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-05-17T01:16:29-00:16", "utc": "1902-05-17T01:32:29Z", "ms": -2134160851088.5864 }, "end": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-17T01:16:29-00:16", "utc": "1902-05-17T01:32:29Z", "ms": -2134160851088.5864 }, "end": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-05-17", "window": { "start": { "local": "1902-05-17T05:50:55-00:16", "utc": "1902-05-17T06:06:55Z", "ms": -2134144385423.4905 }, "end": { "local": "1902-05-17T05:50:55-00:16", "utc": "1902-05-17T06:06:55Z", "ms": -2134144385423.4905 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-05-18", "window": { "start": { "local": "1902-05-18T05:50:42-00:16", "utc": "1902-05-18T06:06:42Z", "ms": -2134057998235.9202 }, "end": { "local": "1902-05-18T05:50:42-00:16", "utc": "1902-05-18T06:06:42Z", "ms": -2134057998235.9202 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:15 on Sat 17 May to 02:19 on Sun 18 May.", "fact": "1902-05-17T01:32:29Z → 1902-05-18T02:35:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 17th and 05:50 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 12653 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Bamako, 1902: Saturday 17 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": "1902-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-17", "confidence": "determinate" } ], "quote": "In Bamako, Mohinī Ekādaśī 1902 falls on Saturday 17 May. Ekādaśī runs from 01:15 on Sat 17 May to 02:19 on Sun 18 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-05-17", "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/1902/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28492, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 }, "end": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 }, "end": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-18", "window": { "start": { "local": "1902-05-18T11:48:11-00:16", "utc": "1902-05-18T12:04:11Z", "ms": -2134036548600.9526 }, "end": { "local": "1902-05-18T12:36:11-00:16", "utc": "1902-05-18T12:52:11Z", "ms": -2134033668600.9526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-19", "window": { "start": { "local": "1902-05-19T11:48:13-00:16", "utc": "1902-05-19T12:04:13Z", "ms": -2133950146749.7363 }, "end": { "local": "1902-05-19T12:36:13-00:16", "utc": "1902-05-19T12:52:13Z", "ms": -2133947266749.7363 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:19 on Sun 18 May to 03:52 on Mon 19 May.", "fact": "1902-05-18T02:35:49Z → 1902-05-19T04:09:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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 28492 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Bamako, 1902: Sunday 18 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": "1902-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-18", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Dvādaśī 1902 falls on Sunday 18 May. Dvādaśī runs from 02:19 on Sun 18 May to 03:52 on Mon 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28492, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 }, "end": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-18T02:19:49-00:16", "utc": "1902-05-18T02:35:49Z", "ms": -2134070651117.614 }, "end": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-18", "window": { "start": { "local": "1902-05-18T11:48:11-00:16", "utc": "1902-05-18T12:04:11Z", "ms": -2134036548600.9526 }, "end": { "local": "1902-05-18T12:36:11-00:16", "utc": "1902-05-18T12:52:11Z", "ms": -2134033668600.9526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-19", "window": { "start": { "local": "1902-05-19T11:48:13-00:16", "utc": "1902-05-19T12:04:13Z", "ms": -2133950146749.7363 }, "end": { "local": "1902-05-19T12:36:13-00:16", "utc": "1902-05-19T12:52:13Z", "ms": -2133947266749.7363 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:19 on Sun 18 May to 03:52 on Mon 19 May.", "fact": "1902-05-18T02:35:49Z → 1902-05-19T04:09:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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 28492 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Bamako, 1902: Sunday 18 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": "1902-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-18", "confidence": "determinate" } ], "quote": "In Bamako, Rukmiṇī Dvādaśī 1902 falls on Sunday 18 May. Dvādaśī runs from 02:19 on Sun 18 May to 03:52 on Mon 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-05-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28166, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 }, "end": { "local": "1902-05-20T05:50:36-00:16", "utc": "1902-05-20T06:06:36Z", "ms": -2133885203739.9229 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-19T03:53:21-00:16", "utc": "1902-05-19T04:09:21Z", "ms": -2133978638779.8699 }, "end": { "local": "1902-05-20T05:50:36-00:16", "utc": "1902-05-20T06:06:36Z", "ms": -2133885203739.9229 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-05-18", "window": { "start": { "local": "1902-05-18T18:33:41-00:16", "utc": "1902-05-18T18:49:41Z", "ms": -2134012218965.985 }, "end": { "local": "1902-05-18T20:03:56-00:16", "utc": "1902-05-18T20:19:56Z", "ms": -2134006804464.6687 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1902-05-19", "window": { "start": { "local": "1902-05-19T18:33:57-00:16", "utc": "1902-05-19T18:49:57Z", "ms": -2133925803293.3606 }, "end": { "local": "1902-05-19T20:04:08-00:16", "utc": "1902-05-19T20:20:08Z", "ms": -2133920392364.824 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:52 on Mon 19 May to 05:50 on Tue 20 May.", "fact": "1902-05-19T04:09:21Z → 1902-05-20T06:06:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:03 on the 18th, 18:33–20:03 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 90 minutes on the 18th and 90 of 90 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 28166 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Monday 19 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": "1902-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-19", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Monday 19 May. Trayodaśī runs from 03:52 on Mon 19 May to 05:50 on Tue 20 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35189, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-05-20T05:50:36-00:16", "utc": "1902-05-20T06:06:36Z", "ms": -2133885203739.9229 }, "end": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-20T05:50:36-00:16", "utc": "1902-05-20T06:06:36Z", "ms": -2133885203739.9229 }, "end": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-05-19", "window": { "start": { "local": "1902-05-19T18:33:57-00:16", "utc": "1902-05-19T18:49:57Z", "ms": -2133925803293.3606 }, "end": { "local": "1902-05-19T20:04:08-00:16", "utc": "1902-05-19T20:20:08Z", "ms": -2133920392364.824 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1902-05-20", "window": { "start": { "local": "1902-05-20T18:34:13-00:16", "utc": "1902-05-20T18:50:13Z", "ms": -2133839387382.7385 }, "end": { "local": "1902-05-20T20:04:20-00:16", "utc": "1902-05-20T20:20:20Z", "ms": -2133833979945.238 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:50 on Tue 20 May to 08:04 on Wed 21 May.", "fact": "1902-05-20T06:06:36Z → 1902-05-21T08:20:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:03 on the 19th, 18:33–20:03 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 19th and 90 of 90 on the 20th.", "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 35189 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Bamako, 1902: Tuesday 20 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": "1902-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-20", "confidence": "determinate" } ], "quote": "In Bamako, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1902 falls on Tuesday 20 May. Caturdaśī runs from 05:50 on Tue 20 May to 08:04 on Wed 21 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4705, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 }, "end": { "local": "1902-05-22T10:29:57-00:16", "utc": "1902-05-22T10:45:57Z", "ms": -2133695643223.665 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 }, "end": { "local": "1902-05-22T10:29:57-00:16", "utc": "1902-05-22T10:45:57Z", "ms": -2133695643223.665 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-21", "window": { "start": { "local": "1902-05-21T11:48:19-00:16", "utc": "1902-05-21T12:04:19Z", "ms": -2133777341422.7778 }, "end": { "local": "1902-05-21T12:36:19-00:16", "utc": "1902-05-21T12:52:19Z", "ms": -2133774461422.7778 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-22", "window": { "start": { "local": "1902-05-22T11:48:22-00:16", "utc": "1902-05-22T12:04:22Z", "ms": -2133690937953.585 }, "end": { "local": "1902-05-22T12:36:22-00:16", "utc": "1902-05-22T12:52:22Z", "ms": -2133688057953.585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:04 on Wed 21 May to 10:29 on Thu 22 May.", "fact": "1902-05-21T08:20:56Z → 1902-05-22T10:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 21st, 11:47–12:35 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4705 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Bamako, 1902: Wednesday 21 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": "1902-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-21", "confidence": "determinate" } ], "quote": "In Bamako, Buddha Pūrṇimā 1902 falls on Wednesday 21 May. Pūrṇimā runs from 08:04 on Wed 21 May to 10:29 on Thu 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4705, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 }, "end": { "local": "1902-05-22T10:29:57-00:16", "utc": "1902-05-22T10:45:57Z", "ms": -2133695643223.665 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-21T08:04:56-00:16", "utc": "1902-05-21T08:20:56Z", "ms": -2133790744287.584 }, "end": { "local": "1902-05-22T10:29:57-00:16", "utc": "1902-05-22T10:45:57Z", "ms": -2133695643223.665 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-05-21", "window": { "start": { "local": "1902-05-21T11:48:19-00:16", "utc": "1902-05-21T12:04:19Z", "ms": -2133777341422.7778 }, "end": { "local": "1902-05-21T12:36:19-00:16", "utc": "1902-05-21T12:52:19Z", "ms": -2133774461422.7778 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-05-22", "window": { "start": { "local": "1902-05-22T11:48:22-00:16", "utc": "1902-05-22T12:04:22Z", "ms": -2133690937953.585 }, "end": { "local": "1902-05-22T12:36:22-00:16", "utc": "1902-05-22T12:52:22Z", "ms": -2133688057953.585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:04 on Wed 21 May to 10:29 on Thu 22 May.", "fact": "1902-05-21T08:20:56Z → 1902-05-22T10:45:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 21st, 11:47–12:35 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 4705 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Bamako, 1902: Wednesday 21 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": "1902-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-21", "confidence": "determinate" } ], "quote": "In Bamako, Sampat Gaurī Vrata 1902 falls on Wednesday 21 May. Pūrṇimā runs from 08:04 on Wed 21 May to 10:29 on Thu 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-05-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7287, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-05-25T17:48:44-00:16", "utc": "1902-05-25T18:04:44Z", "ms": -2133410116156.2087 }, "end": { "local": "1902-05-26T19:55:20-00:16", "utc": "1902-05-26T20:11:20Z", "ms": -2133316119559.4497 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-05-25T17:48:44-00:16", "utc": "1902-05-25T18:04:44Z", "ms": -2133410116156.2087 }, "end": { "local": "1902-05-26T19:55:20-00:16", "utc": "1902-05-26T20:11:20Z", "ms": -2133316119559.4497 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-05-25", "window": { "start": { "local": "1902-05-25T21:11:34-00:16", "utc": "1902-05-25T21:27:34Z", "ms": -2133397945713.274 }, "end": { "local": "1902-05-25T21:11:34-00:16", "utc": "1902-05-25T21:27:34Z", "ms": -2133397945713.274 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-05-26", "window": { "start": { "local": "1902-05-26T21:56:47-00:16", "utc": "1902-05-26T22:12:47Z", "ms": -2133308832755.1104 }, "end": { "local": "1902-05-26T21:56:47-00:16", "utc": "1902-05-26T22:12:47Z", "ms": -2133308832755.1104 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:48 on Sun 25 May to 19:54 on Mon 26 May.", "fact": "1902-05-25T18:04:44Z → 1902-05-26T20:11:20Z" }, { "step": "kaala", "text": "Moonrise is at 21:11 on the 25th and 21:56 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 7287 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Sunday 25 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": "1902-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-05-25", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Sunday 25 May. Caturthī runs from 17:48 on Sun 25 May to 19:54 on Mon 26 May and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-05-25", "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/1902/ekadashi?on=1902-06-02", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29941, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-06-01T21:30:11-00:16", "utc": "1902-06-01T21:46:11Z", "ms": -2132792028870.615 }, "end": { "local": "1902-06-02T19:21:49-00:16", "utc": "1902-06-02T19:37:49Z", "ms": -2132713331496.8745 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-01T21:30:11-00:16", "utc": "1902-06-01T21:46:11Z", "ms": -2132792028870.615 }, "end": { "local": "1902-06-02T19:21:49-00:16", "utc": "1902-06-02T19:37:49Z", "ms": -2132713331496.8745 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-06-02", "window": { "start": { "local": "1902-06-02T05:49:12-00:16", "utc": "1902-06-02T06:05:12Z", "ms": -2132762088157.4006 }, "end": { "local": "1902-06-02T05:49:12-00:16", "utc": "1902-06-02T06:05:12Z", "ms": -2132762088157.4006 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-06-03", "window": { "start": { "local": "1902-06-03T05:49:13-00:16", "utc": "1902-06-03T06:05:13Z", "ms": -2132675687410.7366 }, "end": { "local": "1902-06-03T05:49:13-00:16", "utc": "1902-06-03T06:05:13Z", "ms": -2132675687410.7366 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:29 on Sun 1 Jun to 19:21 on Mon 2 Jun.", "fact": "1902-06-01T21:46:11Z → 1902-06-02T19:37:49Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 2nd and 05:48 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 29941 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Bamako, 1902: Monday 2 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-02", "confidence": "determinate" } ], "quote": "In Bamako, Aparā Ekādaśī 1902 falls on Monday 2 June. Ekādaśī runs from 21:29 on Sun 1 Jun to 19:21 on Mon 2 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-06-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7304, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-06-03T16:36:29-00:16", "utc": "1902-06-03T16:52:29Z", "ms": -2132636850590.187 }, "end": { "local": "1902-06-04T13:21:05-00:16", "utc": "1902-06-04T13:37:05Z", "ms": -2132562175201.14 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-03T16:36:29-00:16", "utc": "1902-06-03T16:52:29Z", "ms": -2132636850590.187 }, "end": { "local": "1902-06-04T13:21:05-00:16", "utc": "1902-06-04T13:37:05Z", "ms": -2132562175201.14 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-06-03", "window": { "start": { "local": "1902-06-03T18:38:13-00:16", "utc": "1902-06-03T18:54:13Z", "ms": -2132629546765.8396 }, "end": { "local": "1902-06-03T20:07:41-00:16", "utc": "1902-06-03T20:23:41Z", "ms": -2132624178645.79 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1902-06-04", "window": { "start": { "local": "1902-06-04T18:38:31-00:16", "utc": "1902-06-04T18:54:31Z", "ms": -2132543128982.4707 }, "end": { "local": "1902-06-04T20:07:57-00:16", "utc": "1902-06-04T20:23:57Z", "ms": -2132537762923.2227 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:35 on Tue 3 Jun to 13:20 on Wed 4 Jun.", "fact": "1902-06-03T16:52:29Z → 1902-06-04T13:37:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:07 on the 3rd, 18:38–20:07 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 89 of 89 minutes on the 3rd and 0 of 89 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7304 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Tuesday 3 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-03", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Tuesday 3 June. Trayodaśī runs from 16:35 on Tue 3 Jun to 13:20 on Wed 4 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-06-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-06-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32768, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-06-04T13:21:05-00:16", "utc": "1902-06-04T13:37:05Z", "ms": -2132562175201.14 }, "end": { "local": "1902-06-05T09:44:02-00:16", "utc": "1902-06-05T10:00:02Z", "ms": -2132488798386.4988 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-04T13:21:05-00:16", "utc": "1902-06-04T13:37:05Z", "ms": -2132562175201.14 }, "end": { "local": "1902-06-05T09:44:02-00:16", "utc": "1902-06-05T10:00:02Z", "ms": -2132488798386.4988 } }, "kaala": "nishita", "days": [ { "local_date": "1902-06-03", "window": { "start": { "local": "1902-06-03T23:49:44-00:16", "utc": "1902-06-04T00:05:44Z", "ms": -2132610856315.6533 }, "end": { "local": "1902-06-04T00:37:44-00:16", "utc": "1902-06-04T00:53:44Z", "ms": -2132607976315.6533 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-04", "window": { "start": { "local": "1902-06-04T23:49:54-00:16", "utc": "1902-06-05T00:05:54Z", "ms": -2132524446260.291 }, "end": { "local": "1902-06-05T00:37:54-00:16", "utc": "1902-06-05T00:53:54Z", "ms": -2132521566260.291 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:20 on Wed 4 Jun to 09:43 on Thu 5 Jun.", "fact": "1902-06-04T13:37:05Z → 1902-06-05T10:00:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 3rd, 23:49–00:37 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32768 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Wednesday 4 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": "1902-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-04", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Wednesday 4 June. Caturdaśī runs from 13:20 on Wed 4 Jun to 09:43 on Thu 5 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22858, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-06-07T22:22:05-00:16", "utc": "1902-06-07T22:38:05Z", "ms": -2132270514858.6458 }, "end": { "local": "1902-06-08T18:59:32-00:16", "utc": "1902-06-08T19:15:32Z", "ms": -2132196267694.443 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-07T22:22:05-00:16", "utc": "1902-06-07T22:38:05Z", "ms": -2132270514858.6458 }, "end": { "local": "1902-06-08T18:59:32-00:16", "utc": "1902-06-08T19:15:32Z", "ms": -2132196267694.443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-06-07", "window": { "start": { "local": "1902-06-07T11:50:24-00:16", "utc": "1902-06-07T12:06:24Z", "ms": -2132308416303.7505 }, "end": { "local": "1902-06-07T12:38:24-00:16", "utc": "1902-06-07T12:54:24Z", "ms": -2132305536303.7505 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-08", "window": { "start": { "local": "1902-06-08T11:50:35-00:16", "utc": "1902-06-08T12:06:35Z", "ms": -2132222005304.274 }, "end": { "local": "1902-06-08T12:38:35-00:16", "utc": "1902-06-08T12:54:35Z", "ms": -2132219125304.274 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:21 on Sat 7 Jun to 18:59 on Sun 8 Jun.", "fact": "1902-06-07T22:38:05Z → 1902-06-08T19:15:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 7th, 11:50–12:38 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22858 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Bamako, 1902: Sunday 8 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": "1902-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-08", "confidence": "determinate" } ], "quote": "In Bamako, Rambhā Tṛtīyā 1902 falls on Sunday 8 June. Tṛtīyā runs from 22:21 on Sat 7 Jun to 18:59 on Sun 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-06-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12456, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-06-08T18:59:32-00:16", "utc": "1902-06-08T19:15:32Z", "ms": -2132196267694.443 }, "end": { "local": "1902-06-09T16:06:22-00:16", "utc": "1902-06-09T16:22:22Z", "ms": -2132120257729.7168 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-08T18:59:32-00:16", "utc": "1902-06-08T19:15:32Z", "ms": -2132196267694.443 }, "end": { "local": "1902-06-09T16:06:22-00:16", "utc": "1902-06-09T16:22:22Z", "ms": -2132120257729.7168 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-06-08", "window": { "start": { "local": "1902-06-08T11:50:35-00:16", "utc": "1902-06-08T12:06:35Z", "ms": -2132222005304.274 }, "end": { "local": "1902-06-08T12:38:35-00:16", "utc": "1902-06-08T12:54:35Z", "ms": -2132219125304.274 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-09", "window": { "start": { "local": "1902-06-09T11:50:46-00:16", "utc": "1902-06-09T12:06:46Z", "ms": -2132135594033.9058 }, "end": { "local": "1902-06-09T12:38:46-00:16", "utc": "1902-06-09T12:54:46Z", "ms": -2132132714033.9058 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:59 on Sun 8 Jun to 16:05 on Mon 9 Jun.", "fact": "1902-06-08T19:15:32Z → 1902-06-09T16:22:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 8th, 11:50–12:38 on the 9th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12456 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Monday 9 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": "1902-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-09", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Monday 9 June. Caturthī runs from 18:59 on Sun 8 Jun to 16:05 on Mon 9 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-06-09", "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/1902/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1082, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-06-10T13:51:19-00:16", "utc": "1902-06-10T14:07:19Z", "ms": -2132041960986.481 }, "end": { "local": "1902-06-11T12:21:07-00:16", "utc": "1902-06-11T12:37:07Z", "ms": -2131960972639.4844 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-10T13:51:19-00:16", "utc": "1902-06-10T14:07:19Z", "ms": -2132041960986.481 }, "end": { "local": "1902-06-11T12:21:07-00:16", "utc": "1902-06-11T12:37:07Z", "ms": -2131960972639.4844 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-06-10", "window": { "start": { "local": "1902-06-10T11:50:57-00:16", "utc": "1902-06-10T12:06:57Z", "ms": -2132049182516.9858 }, "end": { "local": "1902-06-10T12:38:57-00:16", "utc": "1902-06-10T12:54:57Z", "ms": -2132046302516.9858 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-11", "window": { "start": { "local": "1902-06-11T11:51:09-00:16", "utc": "1902-06-11T12:07:09Z", "ms": -2131962770776.8467 }, "end": { "local": "1902-06-11T12:39:09-00:16", "utc": "1902-06-11T12:55:09Z", "ms": -2131959890776.8467 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:50 on Tue 10 Jun to 12:20 on Wed 11 Jun.", "fact": "1902-06-10T14:07:19Z → 1902-06-11T12:37:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 10th, 11:50–12:38 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 30 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1082 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Bamako, 1902: Wednesday 11 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": "1902-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-11", "confidence": "determinate" } ], "quote": "In Bamako, Araṇya Gaurī Vrata 1902 falls on Wednesday 11 June. Ṣaṣṭhī runs from 13:50 on Tue 10 Jun to 12:20 on Wed 11 Jun and covers 30 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1082, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-06-10T13:51:19-00:16", "utc": "1902-06-10T14:07:19Z", "ms": -2132041960986.481 }, "end": { "local": "1902-06-11T12:21:07-00:16", "utc": "1902-06-11T12:37:07Z", "ms": -2131960972639.4844 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-10T13:51:19-00:16", "utc": "1902-06-10T14:07:19Z", "ms": -2132041960986.481 }, "end": { "local": "1902-06-11T12:21:07-00:16", "utc": "1902-06-11T12:37:07Z", "ms": -2131960972639.4844 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-06-10", "window": { "start": { "local": "1902-06-10T11:50:57-00:16", "utc": "1902-06-10T12:06:57Z", "ms": -2132049182516.9858 }, "end": { "local": "1902-06-10T12:38:57-00:16", "utc": "1902-06-10T12:54:57Z", "ms": -2132046302516.9858 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-11", "window": { "start": { "local": "1902-06-11T11:51:09-00:16", "utc": "1902-06-11T12:07:09Z", "ms": -2131962770776.8467 }, "end": { "local": "1902-06-11T12:39:09-00:16", "utc": "1902-06-11T12:55:09Z", "ms": -2131959890776.8467 } }, "covered_min": 30, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 13:50 on Tue 10 Jun to 12:20 on Wed 11 Jun.", "fact": "1902-06-10T14:07:19Z → 1902-06-11T12:37:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 10th, 11:50–12:38 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 30 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1082 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Bamako, 1902: Wednesday 11 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": "1902-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-11", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1902 falls on Wednesday 11 June. Ṣaṣṭhī runs from 13:50 on Tue 10 Jun to 12:20 on Wed 11 Jun and covers 30 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-06-16", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30208, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-06-15T14:13:46-00:16", "utc": "1902-06-15T14:29:46Z", "ms": -2131608613729.7656 }, "end": { "local": "1902-06-16T16:15:50-00:16", "utc": "1902-06-16T16:31:50Z", "ms": -2131514890491.4475 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-15T14:13:46-00:16", "utc": "1902-06-15T14:29:46Z", "ms": -2131608613729.7656 }, "end": { "local": "1902-06-16T16:15:50-00:16", "utc": "1902-06-16T16:31:50Z", "ms": -2131514890491.4475 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-06-15", "window": { "start": { "local": "1902-06-15T05:50:18-00:16", "utc": "1902-06-15T06:06:18Z", "ms": -2131638821610.7156 }, "end": { "local": "1902-06-15T05:50:18-00:16", "utc": "1902-06-15T06:06:18Z", "ms": -2131638821610.7156 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-06-16", "window": { "start": { "local": "1902-06-16T05:50:28-00:16", "utc": "1902-06-16T06:06:28Z", "ms": -2131552411981.6628 }, "end": { "local": "1902-06-16T05:50:28-00:16", "utc": "1902-06-16T06:06:28Z", "ms": -2131552411981.6628 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:13 on Sun 15 Jun to 16:15 on Mon 16 Jun.", "fact": "1902-06-15T14:29:46Z → 1902-06-16T16:31:50Z" }, { "step": "kaala", "text": "Sunrise is at 05:49 on the 15th and 05:49 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 30208 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Bamako, 1902: Monday 16 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": "1902-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-16", "confidence": "determinate" } ], "quote": "In Bamako, Nirjalā Ekādaśī 1902 falls on Monday 16 June. Ekādaśī runs from 14:13 on Sun 15 Jun to 16:15 on Mon 16 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-06-16", "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/1902/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12939, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-06-16T16:15:50-00:16", "utc": "1902-06-16T16:31:50Z", "ms": -2131514890491.4475 }, "end": { "local": "1902-06-17T18:36:52-00:16", "utc": "1902-06-17T18:52:52Z", "ms": -2131420028139.5562 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-16T16:15:50-00:16", "utc": "1902-06-16T16:31:50Z", "ms": -2131514890491.4475 }, "end": { "local": "1902-06-17T18:36:52-00:16", "utc": "1902-06-17T18:52:52Z", "ms": -2131420028139.5562 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-06-16", "window": { "start": { "local": "1902-06-16T11:52:11-00:16", "utc": "1902-06-16T12:08:11Z", "ms": -2131530709491.728 }, "end": { "local": "1902-06-16T12:40:11-00:16", "utc": "1902-06-16T12:56:11Z", "ms": -2131527829491.728 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-06-17", "window": { "start": { "local": "1902-06-17T11:52:23-00:16", "utc": "1902-06-17T12:08:23Z", "ms": -2131444296864.5938 }, "end": { "local": "1902-06-17T12:40:23-00:16", "utc": "1902-06-17T12:56:23Z", "ms": -2131441416864.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:15 on Mon 16 Jun to 18:36 on Tue 17 Jun.", "fact": "1902-06-16T16:31:50Z → 1902-06-17T18:52:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 16th, 11:51–12:39 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12939 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Bamako, 1902: Tuesday 17 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": "1902-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-17", "confidence": "determinate" } ], "quote": "In Bamako, Śrī Rāma Dvādaśī 1902 falls on Tuesday 17 June. Dvādaśī runs from 16:15 on Mon 16 Jun to 18:36 on Tue 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-06-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 316, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-06-17T18:36:52-00:16", "utc": "1902-06-17T18:52:52Z", "ms": -2131420028139.5562 }, "end": { "local": "1902-06-18T21:06:47-00:16", "utc": "1902-06-18T21:22:47Z", "ms": -2131324632563.4504 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-17T18:36:52-00:16", "utc": "1902-06-17T18:52:52Z", "ms": -2131420028139.5562 }, "end": { "local": "1902-06-18T21:06:47-00:16", "utc": "1902-06-18T21:22:47Z", "ms": -2131324632563.4504 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-06-17", "window": { "start": { "local": "1902-06-17T18:42:08-00:16", "utc": "1902-06-17T18:58:08Z", "ms": -2131419711926.4338 }, "end": { "local": "1902-06-17T20:11:18-00:16", "utc": "1902-06-17T20:27:18Z", "ms": -2131414362481.9602 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1902-06-18", "window": { "start": { "local": "1902-06-18T18:42:23-00:16", "utc": "1902-06-18T18:58:23Z", "ms": -2131333297231.213 }, "end": { "local": "1902-06-18T20:11:32-00:16", "utc": "1902-06-18T20:27:32Z", "ms": -2131327948249.8733 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:36 on Tue 17 Jun to 21:06 on Wed 18 Jun.", "fact": "1902-06-17T18:52:52Z → 1902-06-18T21:22:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:10 on the 17th, 18:41–20:11 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 89 of 89 minutes on the 17th and 89 of 89 on the 18th.", "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 316 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Tuesday 17 June.", "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": "1902-06-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-17", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Tuesday 17 June. Trayodaśī runs from 18:36 on Tue 17 Jun to 21:06 on Wed 18 Jun and covers all of pradoṣa that evening. It also reaches the next evening for 89 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/1902/pradosha-vrata?on=1902-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12313, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-06-19T23:36:58-00:16", "utc": "1902-06-19T23:52:58Z", "ms": -2131229221554.177 }, "end": { "local": "1902-06-21T02:00:41-00:16", "utc": "1902-06-21T02:16:41Z", "ms": -2131134199102.1248 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-19T23:36:58-00:16", "utc": "1902-06-19T23:52:58Z", "ms": -2131229221554.177 }, "end": { "local": "1902-06-21T02:00:41-00:16", "utc": "1902-06-21T02:16:41Z", "ms": -2131134199102.1248 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-06-19", "window": { "start": { "local": "1902-06-19T18:42:37-00:16", "utc": "1902-06-19T18:58:37Z", "ms": -2131246882937.719 }, "end": { "local": "1902-06-19T20:11:46-00:16", "utc": "1902-06-19T20:27:46Z", "ms": -2131241534300.2842 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1902-06-20", "window": { "start": { "local": "1902-06-20T18:42:51-00:16", "utc": "1902-06-20T18:58:51Z", "ms": -2131160469067.1843 }, "end": { "local": "1902-06-20T20:11:59-00:16", "utc": "1902-06-20T20:27:59Z", "ms": -2131155120654.206 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:36 on Thu 19 Jun to 02:00 on Sat 21 Jun.", "fact": "1902-06-19T23:52:58Z → 1902-06-21T02:16:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:11 on the 19th, 18:42–20:11 on the 20th.", "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 19th and 89 of 89 on the 20th.", "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 12313 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Bamako, 1902: Friday 20 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": "1902-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-20", "confidence": "determinate" } ], "quote": "In Bamako, Vaṭa Sāvitrī Vrata 1902 falls on Friday 20 June. Pūrṇimā runs from 23:36 on Thu 19 Jun to 02:00 on Sat 21 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-06-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40080, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-06-24T07:47:49-00:16", "utc": "1902-06-24T08:03:49Z", "ms": -2130854170966.63 }, "end": { "local": "1902-06-25T09:03:33-00:16", "utc": "1902-06-25T09:19:33Z", "ms": -2130763226517.7297 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-06-24T07:47:49-00:16", "utc": "1902-06-24T08:03:49Z", "ms": -2130854170966.63 }, "end": { "local": "1902-06-25T09:03:33-00:16", "utc": "1902-06-25T09:19:33Z", "ms": -2130763226517.7297 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-06-23", "window": { "start": { "local": "1902-06-23T20:39:49-00:16", "utc": "1902-06-23T20:55:49Z", "ms": -2130894250597.1602 }, "end": { "local": "1902-06-23T20:39:49-00:16", "utc": "1902-06-23T20:55:49Z", "ms": -2130894250597.1602 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-06-24", "window": { "start": { "local": "1902-06-24T21:23:02-00:16", "utc": "1902-06-24T21:39:02Z", "ms": -2130805257710.3145 }, "end": { "local": "1902-06-24T21:23:02-00:16", "utc": "1902-06-24T21:39:02Z", "ms": -2130805257710.3145 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:47 on Tue 24 Jun to 09:03 on Wed 25 Jun.", "fact": "1902-06-24T08:03:49Z → 1902-06-25T09:19:33Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 23rd and 21:22 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40080 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Tuesday 24 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": "1902-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-06-24", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Tuesday 24 June. Caturthī runs from 07:47 on Tue 24 Jun to 09:03 on Wed 25 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ekadashi?on=1902-07-01", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1565, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-07-01T05:27:43-00:16", "utc": "1902-07-01T05:43:43Z", "ms": -2130257777488.3997 }, "end": { "local": "1902-07-02T02:46:37-00:16", "utc": "1902-07-02T03:02:37Z", "ms": -2130181042932.1353 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-01T05:27:43-00:16", "utc": "1902-07-01T05:43:43Z", "ms": -2130257777488.3997 }, "end": { "local": "1902-07-02T02:46:37-00:16", "utc": "1902-07-02T03:02:37Z", "ms": -2130181042932.1353 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-07-01", "window": { "start": { "local": "1902-07-01T05:53:47-00:16", "utc": "1902-07-01T06:09:47Z", "ms": -2130256212634.4822 }, "end": { "local": "1902-07-01T05:53:47-00:16", "utc": "1902-07-01T06:09:47Z", "ms": -2130256212634.4822 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-07-02", "window": { "start": { "local": "1902-07-02T05:54:03-00:16", "utc": "1902-07-02T06:10:03Z", "ms": -2130169796646.4578 }, "end": { "local": "1902-07-02T05:54:03-00:16", "utc": "1902-07-02T06:10:03Z", "ms": -2130169796646.4578 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:27 on Tue 1 Jul to 02:46 on Wed 2 Jul.", "fact": "1902-07-01T05:43:43Z → 1902-07-02T03:02:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 1st and 05:53 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1565 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Bamako, 1902: Tuesday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-01", "confidence": "determinate" } ], "quote": "In Bamako, Yoginī Ekādaśī 1902 falls on Tuesday 1 July. Ekādaśī runs from 05:27 on Tue 1 Jul to 02:46 on Wed 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-07-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 411, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-07-02T23:37:22-00:16", "utc": "1902-07-02T23:53:22Z", "ms": -2130105998273.746 }, "end": { "local": "1902-07-03T20:07:29-00:16", "utc": "1902-07-03T20:23:29Z", "ms": -2130032191428.5508 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-02T23:37:22-00:16", "utc": "1902-07-02T23:53:22Z", "ms": -2130105998273.746 }, "end": { "local": "1902-07-03T20:07:29-00:16", "utc": "1902-07-03T20:23:29Z", "ms": -2130032191428.5508 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-07-02", "window": { "start": { "local": "1902-07-02T18:44:57-00:16", "utc": "1902-07-02T19:00:57Z", "ms": -2130123542962.268 }, "end": { "local": "1902-07-02T20:14:12-00:16", "utc": "1902-07-02T20:30:12Z", "ms": -2130118187961.7754 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1902-07-03", "window": { "start": { "local": "1902-07-03T18:45:04-00:16", "utc": "1902-07-03T19:01:04Z", "ms": -2130037136416.7 }, "end": { "local": "1902-07-03T20:14:20-00:16", "utc": "1902-07-03T20:30:20Z", "ms": -2130031780107.8406 } }, "covered_min": 82, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:36 on Wed 2 Jul to 20:06 on Thu 3 Jul.", "fact": "1902-07-02T23:53:22Z → 1902-07-03T20:23:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:13 on the 2nd, 18:44–20:13 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 2nd and 82 of 89 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 411 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Thursday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-07-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-03", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Thursday 3 July. Trayodaśī runs from 23:36 on Wed 2 Jul to 20:06 on Thu 3 Jul and covers 82 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-07-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13701, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-07-03T20:07:29-00:16", "utc": "1902-07-03T20:23:29Z", "ms": -2130032191428.5508 }, "end": { "local": "1902-07-04T16:26:01-00:16", "utc": "1902-07-04T16:42:01Z", "ms": -2129959079131.6648 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-03T20:07:29-00:16", "utc": "1902-07-03T20:23:29Z", "ms": -2130032191428.5508 }, "end": { "local": "1902-07-04T16:26:01-00:16", "utc": "1902-07-04T16:42:01Z", "ms": -2129959079131.6648 } }, "kaala": "nishita", "days": [ { "local_date": "1902-07-03", "window": { "start": { "local": "1902-07-03T23:55:50-00:16", "utc": "1902-07-04T00:11:50Z", "ms": -2130018490258.4775 }, "end": { "local": "1902-07-04T00:43:50-00:16", "utc": "1902-07-04T00:59:50Z", "ms": -2130015610258.4775 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-07-04", "window": { "start": { "local": "1902-07-04T23:56:01-00:16", "utc": "1902-07-05T00:12:01Z", "ms": -2129932079089.7 }, "end": { "local": "1902-07-05T00:44:01-00:16", "utc": "1902-07-05T01:00:01Z", "ms": -2129929199089.7 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:06 on Thu 3 Jul to 16:25 on Fri 4 Jul.", "fact": "1902-07-03T20:23:29Z → 1902-07-04T16:42:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 3rd, 23:55–00:43 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "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 13701 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Thursday 3 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": "1902-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-03", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Thursday 3 July. Caturdaśī runs from 20:06 on Thu 3 Jul to 16:25 on Fri 4 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10002, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1902-07-06T09:09:32-00:16", "utc": "1902-07-06T09:25:32Z", "ms": -2129812467592.395 }, "end": { "local": "1902-07-07T05:56:13-00:16", "utc": "1902-07-07T06:12:13Z", "ms": -2129737667291.3054 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-06T09:09:32-00:16", "utc": "1902-07-06T09:25:32Z", "ms": -2129812467592.395 }, "end": { "local": "1902-07-07T05:56:13-00:16", "utc": "1902-07-07T06:12:13Z", "ms": -2129737667291.3054 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-07-06", "window": { "start": { "local": "1902-07-06T11:56:14-00:16", "utc": "1902-07-06T12:12:14Z", "ms": -2129802466050.8335 }, "end": { "local": "1902-07-06T12:44:14-00:16", "utc": "1902-07-06T13:00:14Z", "ms": -2129799586050.8335 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-07-07", "window": { "start": { "local": "1902-07-07T11:56:24-00:16", "utc": "1902-07-07T12:12:24Z", "ms": -2129716055913.6382 }, "end": { "local": "1902-07-07T12:44:24-00:16", "utc": "1902-07-07T13:00:24Z", "ms": -2129713175913.6382 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:09 on Sun 6 Jul to 05:55 on Mon 7 Jul.", "fact": "1902-07-06T09:25:32Z → 1902-07-07T06:12:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 6th, 11:55–12:43 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10002 s" }, { "step": "ruling", "text": "Rathayātrā, Bamako, 1902: Sunday 6 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": "1902-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-06", "confidence": "determinate" } ], "quote": "In Bamako, Rathayātrā 1902 falls on Sunday 6 July. Dvitīyā runs from 09:09 on Sun 6 Jul to 05:55 on Mon 7 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-07-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31377, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-07-08T03:13:36-00:16", "utc": "1902-07-08T03:29:36Z", "ms": -2129661023534.1763 }, "end": { "local": "1902-07-09T01:11:02-00:16", "utc": "1902-07-09T01:27:02Z", "ms": -2129581978053.8108 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-08T03:13:36-00:16", "utc": "1902-07-08T03:29:36Z", "ms": -2129661023534.1763 }, "end": { "local": "1902-07-09T01:11:02-00:16", "utc": "1902-07-09T01:27:02Z", "ms": -2129581978053.8108 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-07-08", "window": { "start": { "local": "1902-07-08T11:56:34-00:16", "utc": "1902-07-08T12:12:34Z", "ms": -2129629646147.0542 }, "end": { "local": "1902-07-08T12:44:34-00:16", "utc": "1902-07-08T13:00:34Z", "ms": -2129626766147.0542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-07-09", "window": { "start": { "local": "1902-07-09T11:56:43-00:16", "utc": "1902-07-09T12:12:43Z", "ms": -2129543236773.4568 }, "end": { "local": "1902-07-09T12:44:43-00:16", "utc": "1902-07-09T13:00:43Z", "ms": -2129540356773.4568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:13 on Tue 8 Jul to 01:10 on Wed 9 Jul.", "fact": "1902-07-08T03:29:36Z → 1902-07-09T01:27:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 8th, 11:56–12:44 on the 9th.", "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31377 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Tuesday 8 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": "1902-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-08", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Tuesday 8 July. Caturthī runs from 03:13 on Tue 8 Jul to 01:10 on Wed 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-07-08", "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/1902/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38741, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-07-09T01:11:02-00:16", "utc": "1902-07-09T01:27:02Z", "ms": -2129581978053.8108 }, "end": { "local": "1902-07-09T23:55:42-00:16", "utc": "1902-07-10T00:11:42Z", "ms": -2129500098472.9639 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-09T01:11:02-00:16", "utc": "1902-07-09T01:27:02Z", "ms": -2129581978053.8108 }, "end": { "local": "1902-07-09T23:55:42-00:16", "utc": "1902-07-10T00:11:42Z", "ms": -2129500098472.9639 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-07-09", "window": { "start": { "local": "1902-07-09T11:56:43-00:16", "utc": "1902-07-09T12:12:43Z", "ms": -2129543236773.4568 }, "end": { "local": "1902-07-09T12:44:43-00:16", "utc": "1902-07-09T13:00:43Z", "ms": -2129540356773.4568 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-07-10", "window": { "start": { "local": "1902-07-10T11:56:52-00:16", "utc": "1902-07-10T12:12:52Z", "ms": -2129456827813.3105 }, "end": { "local": "1902-07-10T12:44:52-00:16", "utc": "1902-07-10T13:00:52Z", "ms": -2129453947813.3105 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:10 on Wed 9 Jul to 23:55 on Wed 9 Jul.", "fact": "1902-07-09T01:27:02Z → 1902-07-10T00:11:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 9th, 11:56–12:44 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38741 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Bamako, 1902: Wednesday 9 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": "1902-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-09", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Pañcamī 1902 falls on Wednesday 9 July. Pañcamī runs from 01:10 on Wed 9 Jul to 23:55 on Wed 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38807, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-07-10T23:31:39-00:16", "utc": "1902-07-10T23:47:39Z", "ms": -2129415140696.8792 }, "end": { "local": "1902-07-11T23:58:54-00:16", "utc": "1902-07-12T00:14:54Z", "ms": -2129327105911.1157 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-10T23:31:39-00:16", "utc": "1902-07-10T23:47:39Z", "ms": -2129415140696.8792 }, "end": { "local": "1902-07-11T23:58:54-00:16", "utc": "1902-07-12T00:14:54Z", "ms": -2129327105911.1157 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-07-10", "window": { "start": { "local": "1902-07-10T11:56:52-00:16", "utc": "1902-07-10T12:12:52Z", "ms": -2129456827813.3105 }, "end": { "local": "1902-07-10T12:44:52-00:16", "utc": "1902-07-10T13:00:52Z", "ms": -2129453947813.3105 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-07-11", "window": { "start": { "local": "1902-07-11T11:57:01-00:16", "utc": "1902-07-11T12:13:01Z", "ms": -2129370419285.2515 }, "end": { "local": "1902-07-11T12:45:01-00:16", "utc": "1902-07-11T13:01:01Z", "ms": -2129367539285.2515 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:31 on Thu 10 Jul to 23:58 on Fri 11 Jul.", "fact": "1902-07-10T23:47:39Z → 1902-07-12T00:14:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 10th, 11:56–12:44 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38807 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Bamako, 1902: Friday 11 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": "1902-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-11", "confidence": "determinate" } ], "quote": "In Bamako, Vivasvat Saptamī 1902 falls on Friday 11 July. Saptamī runs from 23:31 on Thu 10 Jul to 23:58 on Fri 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-07-16", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2156, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-07-15T05:21:43-00:16", "utc": "1902-07-15T05:37:43Z", "ms": -2129048536988.5203 }, "end": { "local": "1902-07-16T07:51:29-00:16", "utc": "1902-07-16T08:07:29Z", "ms": -2128953150953.289 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-15T05:21:43-00:16", "utc": "1902-07-15T05:37:43Z", "ms": -2129048536988.5203 }, "end": { "local": "1902-07-16T07:51:29-00:16", "utc": "1902-07-16T08:07:29Z", "ms": -2128953150953.289 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-07-15", "window": { "start": { "local": "1902-07-15T05:57:39-00:16", "utc": "1902-07-15T06:13:39Z", "ms": -2129046381157.0198 }, "end": { "local": "1902-07-15T05:57:39-00:16", "utc": "1902-07-15T06:13:39Z", "ms": -2129046381157.0198 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-07-16", "window": { "start": { "local": "1902-07-16T05:57:55-00:16", "utc": "1902-07-16T06:13:55Z", "ms": -2128959964893.5898 }, "end": { "local": "1902-07-16T05:57:55-00:16", "utc": "1902-07-16T06:13:55Z", "ms": -2128959964893.5898 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:21 on Tue 15 Jul to 07:50 on Wed 16 Jul.", "fact": "1902-07-15T05:37:43Z → 1902-07-16T08:07:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 15th and 05:57 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 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2156 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Bamako, 1902: Wednesday 16 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": "1902-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-16", "confidence": "determinate" } ], "quote": "In Bamako, Hariśayanī Ekādaśī 1902 falls on Wednesday 16 July. Ekādaśī runs from 05:21 on Tue 15 Jul to 07:50 on Wed 16 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-07-16", "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/1902/pradosha-vrata?on=1902-07-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21805, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-07-17T10:21:26-00:16", "utc": "1902-07-17T10:37:26Z", "ms": -2128857754023.9534 }, "end": { "local": "1902-07-18T12:41:42-00:16", "utc": "1902-07-18T12:57:42Z", "ms": -2128762937833.6055 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-17T10:21:26-00:16", "utc": "1902-07-17T10:37:26Z", "ms": -2128857754023.9534 }, "end": { "local": "1902-07-18T12:41:42-00:16", "utc": "1902-07-18T12:57:42Z", "ms": -2128762937833.6055 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-07-17", "window": { "start": { "local": "1902-07-17T18:45:13-00:16", "utc": "1902-07-17T19:01:13Z", "ms": -2128827527320.2532 }, "end": { "local": "1902-07-17T20:14:59-00:16", "utc": "1902-07-17T20:30:59Z", "ms": -2128822141388.0933 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1902-07-18", "window": { "start": { "local": "1902-07-18T18:45:07-00:16", "utc": "1902-07-18T19:01:07Z", "ms": -2128741133069.483 }, "end": { "local": "1902-07-18T20:14:56-00:16", "utc": "1902-07-18T20:30:56Z", "ms": -2128735744268.1782 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:20 on Thu 17 Jul to 12:41 on Fri 18 Jul.", "fact": "1902-07-17T10:37:26Z → 1902-07-18T12:57:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:14 on the 17th, 18:44–20:14 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 90 of 90 minutes on the 17th and 0 of 90 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 21805 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Thursday 17 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-17", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Thursday 17 July. Trayodaśī runs from 10:20 on Thu 17 Jul to 12:41 on Fri 18 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1040, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 } }, "kaala": "sayahna", "days": [ { "local_date": "1902-07-19", "window": { "start": { "local": "1902-07-19T16:11:45-00:16", "utc": "1902-07-19T16:27:45Z", "ms": -2128663935175.4678 }, "end": { "local": "1902-07-19T18:45:00-00:16", "utc": "1902-07-19T19:01:00Z", "ms": -2128654739704.4104 } }, "covered_min": 153, "window_min": 153, "qualifies": true }, { "local_date": "1902-07-20", "window": { "start": { "local": "1902-07-20T16:11:42-00:16", "utc": "1902-07-20T16:27:42Z", "ms": -2128577538077.6838 }, "end": { "local": "1902-07-20T18:44:53-00:16", "utc": "1902-07-20T19:00:53Z", "ms": -2128568347225.8284 } }, "covered_min": 17, "window_min": 153, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul.", "fact": "1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:44 on the 19th, 16:11–18:44 on the 20th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 153 of 153 minutes on the 19th and 17 of 153 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1040 s" }, { "step": "ruling", "text": "Kokilā Vrata, Bamako, 1902: Saturday 19 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-07-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-19", "confidence": "boundary" } ], "quote": "In Bamako, Kokilā Vrata 1902 falls on Saturday 19 July. Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 17 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/1902/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/1902/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8150, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-07-19", "window": { "start": { "local": "1902-07-19T18:45:00-00:16", "utc": "1902-07-19T19:01:00Z", "ms": -2128654739704.4104 }, "end": { "local": "1902-07-19T20:14:52-00:16", "utc": "1902-07-19T20:30:52Z", "ms": -2128649347941.8364 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1902-07-20", "window": { "start": { "local": "1902-07-20T18:44:53-00:16", "utc": "1902-07-20T19:00:53Z", "ms": -2128568347225.8284 }, "end": { "local": "1902-07-20T20:14:48-00:16", "utc": "1902-07-20T20:30:48Z", "ms": -2128562952411.5405 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul.", "fact": "1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:14 on the 19th, 18:44–20:14 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 90 of 90 minutes on the 19th and 0 of 90 on the 20th.", "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 8150 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Bamako, 1902: Saturday 19 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": "1902-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-19", "confidence": "determinate" } ], "quote": "In Bamako, Śiva Śayanotsava 1902 falls on Saturday 19 July. Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22413, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 } }, "kaala": "udaya-3", "days": [ { "local_date": "1902-07-19", "window": { "start": { "local": "1902-07-19T05:58:43-00:16", "utc": "1902-07-19T06:14:43Z", "ms": -2128700717059.6973 }, "end": { "local": "1902-07-19T08:31:58-00:16", "utc": "1902-07-19T08:47:58Z", "ms": -2128691521588.64 } }, "covered_min": 0, "window_min": 153, "qualifies": false }, { "local_date": "1902-07-20", "window": { "start": { "local": "1902-07-20T05:58:59-00:16", "utc": "1902-07-20T06:14:59Z", "ms": -2128614301485.1062 }, "end": { "local": "1902-07-20T08:32:09-00:16", "utc": "1902-07-20T08:48:09Z", "ms": -2128605110633.2507 } }, "covered_min": 153, "window_min": 153, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul.", "fact": "1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:58–08:31 on the 19th, 05:58–08:31 on the 20th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 153 minutes on the 19th and 153 of 153 on the 20th.", "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 22413 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Bamako, 1902: Sunday 20 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": "1902-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-20", "confidence": "determinate" } ], "quote": "In Bamako, Vyāsa Pūjā 1902 falls on Sunday 20 July. Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7180, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1902-07-19T14:45:32-00:16", "utc": "1902-07-19T15:01:32Z", "ms": -2128669108427.982 }, "end": { "local": "1902-07-20T16:29:02-00:16", "utc": "1902-07-20T16:45:02Z", "ms": -2128576497608.8857 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-07-19", "window": { "start": { "local": "1902-07-19T11:57:52-00:16", "utc": "1902-07-19T12:13:52Z", "ms": -2128679168382.0537 }, "end": { "local": "1902-07-19T12:45:52-00:16", "utc": "1902-07-19T13:01:52Z", "ms": -2128676288382.0537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-07-20", "window": { "start": { "local": "1902-07-20T11:57:56-00:16", "utc": "1902-07-20T12:13:56Z", "ms": -2128592764355.4673 }, "end": { "local": "1902-07-20T12:45:56-00:16", "utc": "1902-07-20T13:01:56Z", "ms": -2128589884355.4673 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul.", "fact": "1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 19th, 11:57–12:45 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 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 7180 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Bamako, 1902: Sunday 20 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": "1902-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-20", "confidence": "determinate" } ], "quote": "In Bamako, Guru Pūrṇimā 1902 falls on Sunday 20 July. Pūrṇimā runs from 14:45 on Sat 19 Jul to 16:28 on Sun 20 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4548, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1902-07-21T17:50:32-00:16", "utc": "1902-07-21T18:06:32Z", "ms": -2128485208100.1677 }, "end": { "local": "1902-07-22T18:49:28-00:16", "utc": "1902-07-22T19:05:28Z", "ms": -2128395271737.655 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-07-21T17:50:32-00:16", "utc": "1902-07-21T18:06:32Z", "ms": -2128485208100.1677 }, "end": { "local": "1902-07-22T18:49:28-00:16", "utc": "1902-07-22T19:05:28Z", "ms": -2128395271737.655 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-07-21", "window": { "start": { "local": "1902-07-21T19:22:16-00:16", "utc": "1902-07-21T19:38:16Z", "ms": -2128479704361.5134 }, "end": { "local": "1902-07-21T19:22:16-00:16", "utc": "1902-07-21T19:38:16Z", "ms": -2128479704361.5134 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-07-22", "window": { "start": { "local": "1902-07-22T20:05:17-00:16", "utc": "1902-07-22T20:21:17Z", "ms": -2128390723318.912 }, "end": { "local": "1902-07-22T20:05:17-00:16", "utc": "1902-07-22T20:21:17Z", "ms": -2128390723318.912 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:50 on Mon 21 Jul to 18:48 on Tue 22 Jul.", "fact": "1902-07-21T18:06:32Z → 1902-07-22T19:05:28Z" }, { "step": "kaala", "text": "Moonrise is at 19:21 on the 21st and 20:04 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4548 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Bamako, 1902: Monday 21 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": "1902-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-21", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata (Āṣāḍha) 1902 falls on Monday 21 July. Dvitīyā runs from 17:50 on Mon 21 Jul to 18:48 on Tue 22 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-07-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4921, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-07-23T19:25:37-00:16", "utc": "1902-07-23T19:41:37Z", "ms": -2128306703390.6448 }, "end": { "local": "1902-07-24T19:38:21-00:16", "utc": "1902-07-24T19:54:21Z", "ms": -2128219538834.1025 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-07-23T19:25:37-00:16", "utc": "1902-07-23T19:41:37Z", "ms": -2128306703390.6448 }, "end": { "local": "1902-07-24T19:38:21-00:16", "utc": "1902-07-24T19:54:21Z", "ms": -2128219538834.1025 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-07-23", "window": { "start": { "local": "1902-07-23T20:47:37-00:16", "utc": "1902-07-23T21:03:37Z", "ms": -2128301782527.121 }, "end": { "local": "1902-07-23T20:47:37-00:16", "utc": "1902-07-23T21:03:37Z", "ms": -2128301782527.121 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-07-24", "window": { "start": { "local": "1902-07-24T21:29:55-00:16", "utc": "1902-07-24T21:45:55Z", "ms": -2128212844860.2935 }, "end": { "local": "1902-07-24T21:29:55-00:16", "utc": "1902-07-24T21:45:55Z", "ms": -2128212844860.2935 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:25 on Wed 23 Jul to 19:37 on Thu 24 Jul.", "fact": "1902-07-23T19:41:37Z → 1902-07-24T19:54:21Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 23rd and 21:29 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4921 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Wednesday 23 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": "1902-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-23", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Wednesday 23 July. Caturthī runs from 19:25 on Wed 23 Jul to 19:37 on Thu 24 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-07-23", "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/1902/ekadashi?on=1902-07-31", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9709, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-07-30T11:34:55-00:16", "utc": "1902-07-30T11:50:55Z", "ms": -2127730145022.2002 }, "end": { "local": "1902-07-31T08:43:23-00:16", "utc": "1902-07-31T08:59:23Z", "ms": -2127654037471.482 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-07-30T11:34:55-00:16", "utc": "1902-07-30T11:50:55Z", "ms": -2127730145022.2002 }, "end": { "local": "1902-07-31T08:43:23-00:16", "utc": "1902-07-31T08:59:23Z", "ms": -2127654037471.482 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-07-30", "window": { "start": { "local": "1902-07-30T06:01:21-00:16", "utc": "1902-07-30T06:17:21Z", "ms": -2127750159022.376 }, "end": { "local": "1902-07-30T06:01:21-00:16", "utc": "1902-07-30T06:17:21Z", "ms": -2127750159022.376 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-07-31", "window": { "start": { "local": "1902-07-31T06:01:34-00:16", "utc": "1902-07-31T06:17:34Z", "ms": -2127663746329.497 }, "end": { "local": "1902-07-31T06:01:34-00:16", "utc": "1902-07-31T06:17:34Z", "ms": -2127663746329.497 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:34 on Wed 30 Jul to 08:42 on Thu 31 Jul.", "fact": "1902-07-30T11:50:55Z → 1902-07-31T08:59:23Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 30th and 06:01 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9709 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Bamako, 1902: Thursday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-07-31", "confidence": "determinate" } ], "quote": "In Bamako, Kāmikā Ekādaśī 1902 falls on Thursday 31 July. Ekādaśī runs from 11:34 on Wed 30 Jul to 08:42 on Thu 31 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-08-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22037, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-08-01T05:35:52-00:16", "utc": "1902-08-01T05:51:52Z", "ms": -2127578888108.2507 }, "end": { "local": "1902-08-02T02:20:09-00:16", "utc": "1902-08-02T02:36:09Z", "ms": -2127504231402.0408 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-01T05:35:52-00:16", "utc": "1902-08-01T05:51:52Z", "ms": -2127578888108.2507 }, "end": { "local": "1902-08-02T02:20:09-00:16", "utc": "1902-08-02T02:36:09Z", "ms": -2127504231402.0408 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-07-31", "window": { "start": { "local": "1902-07-31T18:42:32-00:16", "utc": "1902-07-31T18:58:32Z", "ms": -2127618087851.7937 }, "end": { "local": "1902-07-31T20:13:06-00:16", "utc": "1902-07-31T20:29:06Z", "ms": -2127612653999.6826 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1902-08-01", "window": { "start": { "local": "1902-08-01T18:42:14-00:16", "utc": "1902-08-01T18:58:14Z", "ms": -2127531705802.7024 }, "end": { "local": "1902-08-01T20:12:52-00:16", "utc": "1902-08-01T20:28:52Z", "ms": -2127526267952.845 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:35 on Fri 1 Aug to 02:19 on Sat 2 Aug.", "fact": "1902-08-01T05:51:52Z → 1902-08-02T02:36:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:12 on the 31st, 18:41–20:12 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 31st and 91 of 91 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22037 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Friday 1 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": "1902-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-01", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Friday 1 August. Trayodaśī runs from 05:35 on Fri 1 Aug to 02:19 on Sat 2 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-08-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-01", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3168, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-08-02T02:20:09-00:16", "utc": "1902-08-02T02:36:09Z", "ms": -2127504231402.0408 }, "end": { "local": "1902-08-02T23:05:15-00:16", "utc": "1902-08-02T23:21:15Z", "ms": -2127429525060.3225 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-02T02:20:09-00:16", "utc": "1902-08-02T02:36:09Z", "ms": -2127504231402.0408 }, "end": { "local": "1902-08-02T23:05:15-00:16", "utc": "1902-08-02T23:21:15Z", "ms": -2127429525060.3225 } }, "kaala": "nishita", "days": [ { "local_date": "1902-08-01", "window": { "start": { "local": "1902-08-01T23:58:06-00:16", "utc": "1902-08-02T00:14:06Z", "ms": -2127512753865.7373 }, "end": { "local": "1902-08-02T00:46:06-00:16", "utc": "1902-08-02T01:02:06Z", "ms": -2127509873865.7373 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-08-02", "window": { "start": { "local": "1902-08-02T23:58:03-00:16", "utc": "1902-08-03T00:14:03Z", "ms": -2127426357422.3213 }, "end": { "local": "1902-08-03T00:46:03-00:16", "utc": "1902-08-03T01:02:03Z", "ms": -2127423477422.3213 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:19 on Sat 2 Aug to 23:04 on Sat 2 Aug.", "fact": "1902-08-02T02:36:09Z → 1902-08-02T23:21:15Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 1st, 23:57–00:45 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "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 3168 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Friday 1 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": "1902-08-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-01", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1902 falls on Friday 1 August. Caturdaśī runs from 02:19 on Sat 2 Aug to 23:04 on Sat 2 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2761, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-08-05T15:04:59-00:16", "utc": "1902-08-05T15:20:59Z", "ms": -2127199140520.01 }, "end": { "local": "1902-08-06T13:31:38-00:16", "utc": "1902-08-06T13:47:38Z", "ms": -2127118342031.1416 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-05T15:04:59-00:16", "utc": "1902-08-05T15:20:59Z", "ms": -2127199140520.01 }, "end": { "local": "1902-08-06T13:31:38-00:16", "utc": "1902-08-06T13:47:38Z", "ms": -2127118342031.1416 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-05", "window": { "start": { "local": "1902-08-05T11:57:43-00:16", "utc": "1902-08-05T12:13:43Z", "ms": -2127210377003.5247 }, "end": { "local": "1902-08-05T12:45:43-00:16", "utc": "1902-08-05T13:01:43Z", "ms": -2127207497003.5247 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-08-06", "window": { "start": { "local": "1902-08-06T11:57:37-00:16", "utc": "1902-08-06T12:13:37Z", "ms": -2127123982791.652 }, "end": { "local": "1902-08-06T12:45:37-00:16", "utc": "1902-08-06T13:01:37Z", "ms": -2127121102791.652 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:04 on Tue 5 Aug to 13:31 on Wed 6 Aug.", "fact": "1902-08-05T15:20:59Z → 1902-08-06T13:47:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.", "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 5th and 48 of 48 on the 6th.", "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 2761 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Bamako, 1902: Wednesday 6 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": "1902-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-06", "confidence": "determinate" } ], "quote": "In Bamako, Madhusravā Tṛtīyā (Hariyali Teej) 1902 falls on Wednesday 6 August. Tṛtīyā runs from 15:04 on Tue 5 Aug to 13:31 on Wed 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-08-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-07", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 81, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-08-06T13:31:38-00:16", "utc": "1902-08-06T13:47:38Z", "ms": -2127118342031.1416 }, "end": { "local": "1902-08-07T12:44:10-00:16", "utc": "1902-08-07T13:00:10Z", "ms": -2127034790179.2866 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-06T13:31:38-00:16", "utc": "1902-08-06T13:47:38Z", "ms": -2127118342031.1416 }, "end": { "local": "1902-08-07T12:44:10-00:16", "utc": "1902-08-07T13:00:10Z", "ms": -2127034790179.2866 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-06", "window": { "start": { "local": "1902-08-06T11:57:37-00:16", "utc": "1902-08-06T12:13:37Z", "ms": -2127123982791.652 }, "end": { "local": "1902-08-06T12:45:37-00:16", "utc": "1902-08-06T13:01:37Z", "ms": -2127121102791.652 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-08-07", "window": { "start": { "local": "1902-08-07T11:57:31-00:16", "utc": "1902-08-07T12:13:31Z", "ms": -2127037589185.8818 }, "end": { "local": "1902-08-07T12:45:31-00:16", "utc": "1902-08-07T13:01:31Z", "ms": -2127034709185.8818 } }, "covered_min": 47, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:31 on Wed 6 Aug to 12:43 on Thu 7 Aug.", "fact": "1902-08-06T13:47:38Z → 1902-08-07T13:00:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 6th, 11:57–12:45 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 47 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 81 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Thursday 7 August.", "fact": "confidence: boundary (margin)" } ], "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": "1902-08-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-07", "confidence": "boundary" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Thursday 7 August. Caturthī runs from 13:31 on Wed 6 Aug to 12:43 on Thu 7 Aug and covers 47 of 48 minutes of madhyāhna that midday. It is 1 min 21 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-08", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 31, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-08-07T12:44:10-00:16", "utc": "1902-08-07T13:00:10Z", "ms": -2127034790179.2866 }, "end": { "local": "1902-08-08T12:45:55-00:16", "utc": "1902-08-08T13:01:55Z", "ms": -2126948285093.7627 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-07T12:44:10-00:16", "utc": "1902-08-07T13:00:10Z", "ms": -2127034790179.2866 }, "end": { "local": "1902-08-08T12:45:55-00:16", "utc": "1902-08-08T13:01:55Z", "ms": -2126948285093.7627 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-07", "window": { "start": { "local": "1902-08-07T11:57:31-00:16", "utc": "1902-08-07T12:13:31Z", "ms": -2127037589185.8818 }, "end": { "local": "1902-08-07T12:45:31-00:16", "utc": "1902-08-07T13:01:31Z", "ms": -2127034709185.8818 } }, "covered_min": 1, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-08", "window": { "start": { "local": "1902-08-08T11:57:24-00:16", "utc": "1902-08-08T12:13:24Z", "ms": -2126951196184.896 }, "end": { "local": "1902-08-08T12:45:24-00:16", "utc": "1902-08-08T13:01:24Z", "ms": -2126948316184.896 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:43 on Thu 7 Aug to 12:45 on Fri 8 Aug.", "fact": "1902-08-07T13:00:10Z → 1902-08-08T13:01:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 7th, 11:56–12:44 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 1 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 31 s < 300 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Bamako, 1902: Friday 8 August.", "fact": "confidence: boundary (margin)" } ], "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": "1902-08-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-08", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī 1902 falls on Friday 8 August. Pañcamī runs from 12:43 on Thu 7 Aug to 12:45 on Fri 8 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 1 minutes; by the rule the second midday is taken. It is 0 min 31 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-08-14", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20275, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-08-13T22:06:20-00:16", "utc": "1902-08-13T22:22:20Z", "ms": -2126482660234.7288 }, "end": { "local": "1902-08-15T00:26:05-00:16", "utc": "1902-08-15T00:42:05Z", "ms": -2126387875025.4758 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-13T22:06:20-00:16", "utc": "1902-08-13T22:22:20Z", "ms": -2126482660234.7288 }, "end": { "local": "1902-08-15T00:26:05-00:16", "utc": "1902-08-15T00:42:05Z", "ms": -2126387875025.4758 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-08-14", "window": { "start": { "local": "1902-08-14T06:03:53-00:16", "utc": "1902-08-14T06:19:53Z", "ms": -2126454007063.5945 }, "end": { "local": "1902-08-14T06:03:53-00:16", "utc": "1902-08-14T06:19:53Z", "ms": -2126454007063.5945 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-08-15", "window": { "start": { "local": "1902-08-15T06:04:00-00:16", "utc": "1902-08-15T06:20:00Z", "ms": -2126367600060.6824 }, "end": { "local": "1902-08-15T06:04:00-00:16", "utc": "1902-08-15T06:20:00Z", "ms": -2126367600060.6824 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:05 on Wed 13 Aug to 00:25 on Fri 15 Aug.", "fact": "1902-08-13T22:22:20Z → 1902-08-15T00:42:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:03 on the 14th and 06:03 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20275 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1902: Thursday 14 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": "1902-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-14", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1902 falls on Thursday 14 August. Ekādaśī runs from 22:05 on Wed 13 Aug to 00:25 on Fri 15 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-08-14", "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/1902/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34158, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-08-15T00:26:05-00:16", "utc": "1902-08-15T00:42:05Z", "ms": -2126387875025.4758 }, "end": { "local": "1902-08-16T02:26:48-00:16", "utc": "1902-08-16T02:42:48Z", "ms": -2126294231755.8184 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-15T00:26:05-00:16", "utc": "1902-08-15T00:42:05Z", "ms": -2126387875025.4758 }, "end": { "local": "1902-08-16T02:26:48-00:16", "utc": "1902-08-16T02:42:48Z", "ms": -2126294231755.8184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-15", "window": { "start": { "local": "1902-08-15T11:56:18-00:16", "utc": "1902-08-15T12:12:18Z", "ms": -2126346461697.6914 }, "end": { "local": "1902-08-15T12:44:18-00:16", "utc": "1902-08-15T13:00:18Z", "ms": -2126343581697.6914 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-16", "window": { "start": { "local": "1902-08-16T11:56:07-00:16", "utc": "1902-08-16T12:12:07Z", "ms": -2126260073321.4731 }, "end": { "local": "1902-08-16T12:44:07-00:16", "utc": "1902-08-16T13:00:07Z", "ms": -2126257193321.4731 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:25 on Fri 15 Aug to 02:26 on Sat 16 Aug.", "fact": "1902-08-15T00:42:05Z → 1902-08-16T02:42:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 15th, 11:55–12:43 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34158 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Bamako, 1902: Friday 15 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": "1902-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-15", "confidence": "determinate" } ], "quote": "In Bamako, Dāmodara Dvādaśī 1902 falls on Friday 15 August. Dvādaśī runs from 00:25 on Fri 15 Aug to 02:26 on Sat 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-08-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22712, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-08-16T02:26:48-00:16", "utc": "1902-08-16T02:42:48Z", "ms": -2126294231755.8184 }, "end": { "local": "1902-08-17T04:02:01-00:16", "utc": "1902-08-17T04:18:01Z", "ms": -2126202119005.1985 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-16T02:26:48-00:16", "utc": "1902-08-16T02:42:48Z", "ms": -2126294231755.8184 }, "end": { "local": "1902-08-17T04:02:01-00:16", "utc": "1902-08-17T04:18:01Z", "ms": -2126202119005.1985 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-08-15", "window": { "start": { "local": "1902-08-15T18:36:37-00:16", "utc": "1902-08-15T18:52:37Z", "ms": -2126322443334.7007 }, "end": { "local": "1902-08-15T20:08:17-00:16", "utc": "1902-08-15T20:24:17Z", "ms": -2126316943349.4348 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1902-08-16", "window": { "start": { "local": "1902-08-16T18:36:07-00:16", "utc": "1902-08-16T18:52:07Z", "ms": -2126236073197.74 }, "end": { "local": "1902-08-16T20:07:52-00:16", "utc": "1902-08-16T20:23:52Z", "ms": -2126230568399.5015 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:26 on Sat 16 Aug to 04:01 on Sun 17 Aug.", "fact": "1902-08-16T02:42:48Z → 1902-08-17T04:18:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:07 on the 15th, 18:35–20:07 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 15th and 92 of 92 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22712 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Saturday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-16", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Saturday 16 August. Trayodaśī runs from 02:26 on Sat 16 Aug to 04:01 on Sun 17 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1027, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-08-18T05:08:52-00:16", "utc": "1902-08-18T05:24:52Z", "ms": -2126111708416.4062 }, "end": { "local": "1902-08-19T05:47:17-00:16", "utc": "1902-08-19T06:03:17Z", "ms": -2126023002581.3489 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1902-08-18T17:31:33-00:16", "utc": "1902-08-18T17:47:33Z", "ms": -2126067147139.4285 }, "end": { "local": "1902-08-19T05:47:17-00:16", "utc": "1902-08-19T06:03:17Z", "ms": -2126023002581.3489 } }, "kaala": "day", "days": [ { "local_date": "1902-08-18", "window": { "start": { "local": "1902-08-18T06:04:19-00:16", "utc": "1902-08-18T06:20:19Z", "ms": -2126108381350.5464 }, "end": { "local": "1902-08-19T06:04:24-00:16", "utc": "1902-08-19T06:20:24Z", "ms": -2126021975855.5107 } }, "covered_min": 736, "window_min": 1440, "qualifies": true }, { "local_date": "1902-08-19", "window": { "start": { "local": "1902-08-19T06:04:24-00:16", "utc": "1902-08-19T06:20:24Z", "ms": -2126021975855.5107 }, "end": { "local": "1902-08-20T06:04:29-00:16", "utc": "1902-08-20T06:20:29Z", "ms": -2125935570716.334 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:08 on Mon 18 Aug to 05:46 on Tue 19 Aug. Its second half begins at 17:31 on Mon 18 Aug.", "fact": "1902-08-18T05:24:52Z → 1902-08-19T06:03:17Z · second half from 1902-08-18T17:47:33Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:03 on the 18th, and from 06:03 on the 19th.", "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 736 of 1440 minutes on the 18th and 0 of 1440 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1027 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Bamako, 1902: Monday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-18", "confidence": "determinate" } ], "quote": "In Bamako, Rakṣā Bandhana (Rakhi) 1902 falls on Monday 18 August. The second half of Pūrṇimā runs from 17:31 on Mon 18 Aug to 05:46 on Tue 19 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22091, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-08-18T05:08:52-00:16", "utc": "1902-08-18T05:24:52Z", "ms": -2126111708416.4062 }, "end": { "local": "1902-08-19T05:47:17-00:16", "utc": "1902-08-19T06:03:17Z", "ms": -2126023002581.3489 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1902-08-18T05:08:52-00:16", "utc": "1902-08-18T05:24:52Z", "ms": -2126111708416.4062 }, "end": { "local": "1902-08-19T05:47:17-00:16", "utc": "1902-08-19T06:03:17Z", "ms": -2126023002581.3489 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-18", "window": { "start": { "local": "1902-08-18T11:55:42-00:16", "utc": "1902-08-18T12:11:42Z", "ms": -2126087298159.5273 }, "end": { "local": "1902-08-18T12:43:42-00:16", "utc": "1902-08-18T12:59:42Z", "ms": -2126084418159.5273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-19", "window": { "start": { "local": "1902-08-19T11:55:29-00:16", "utc": "1902-08-19T12:11:29Z", "ms": -2126000911346.7834 }, "end": { "local": "1902-08-19T12:43:29-00:16", "utc": "1902-08-19T12:59:29Z", "ms": -2125998031346.7834 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:08 on Mon 18 Aug to 05:46 on Tue 19 Aug.", "fact": "1902-08-18T05:24:52Z → 1902-08-19T06:03:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 18th, 11:54–12:42 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22091 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Bamako, 1902: Monday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-18", "confidence": "determinate" } ], "quote": "In Bamako, Ṛṣi Tarpaṇa 1902 falls on Monday 18 August. Pūrṇimā runs from 05:08 on Mon 18 Aug to 05:46 on Tue 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37056, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1902-08-20T05:59:02-00:16", "utc": "1902-08-20T06:15:02Z", "ms": -2125935898013.8003 }, "end": { "local": "1902-08-21T05:46:34-00:16", "utc": "1902-08-21T06:02:34Z", "ms": -2125850245534.1453 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-20T05:59:02-00:16", "utc": "1902-08-20T06:15:02Z", "ms": -2125935898013.8003 }, "end": { "local": "1902-08-21T05:46:34-00:16", "utc": "1902-08-21T06:02:34Z", "ms": -2125850245534.1453 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-08-19", "window": { "start": { "local": "1902-08-19T18:45:56-00:16", "utc": "1902-08-19T19:01:56Z", "ms": -2125976283798.24 }, "end": { "local": "1902-08-19T18:45:56-00:16", "utc": "1902-08-19T19:01:56Z", "ms": -2125976283798.24 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-08-20", "window": { "start": { "local": "1902-08-20T19:28:58-00:16", "utc": "1902-08-20T19:44:58Z", "ms": -2125887301925.184 }, "end": { "local": "1902-08-20T19:28:58-00:16", "utc": "1902-08-20T19:44:58Z", "ms": -2125887301925.184 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 05:58 on Wed 20 Aug to 05:46 on Thu 21 Aug.", "fact": "1902-08-20T06:15:02Z → 1902-08-21T06:02:34Z" }, { "step": "kaala", "text": "Moonrise is at 18:45 on the 19th and 19:28 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37056 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Bamako, 1902: Wednesday 20 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": "1902-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-20", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata 1902 falls on Wednesday 20 August. Dvitīyā runs from 05:58 on Wed 20 Aug to 05:46 on Thu 21 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22106, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-08-21T05:46:34-00:16", "utc": "1902-08-21T06:02:34Z", "ms": -2125850245534.1453 }, "end": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-21T05:46:34-00:16", "utc": "1902-08-21T06:02:34Z", "ms": -2125850245534.1453 }, "end": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-21", "window": { "start": { "local": "1902-08-21T11:55:01-00:16", "utc": "1902-08-21T12:11:01Z", "ms": -2125828139183.7834 }, "end": { "local": "1902-08-21T12:43:01-00:16", "utc": "1902-08-21T12:59:01Z", "ms": -2125825259183.7834 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-22", "window": { "start": { "local": "1902-08-22T11:54:46-00:16", "utc": "1902-08-22T12:10:46Z", "ms": -2125741753801.9084 }, "end": { "local": "1902-08-22T12:42:46-00:16", "utc": "1902-08-22T12:58:46Z", "ms": -2125738873801.9084 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:46 on Thu 21 Aug to 05:11 on Fri 22 Aug.", "fact": "1902-08-21T06:02:34Z → 1902-08-22T05:28:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 21st, 11:54–12:42 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22106 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Bamako, 1902: Thursday 21 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": "1902-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-21", "confidence": "determinate" } ], "quote": "In Bamako, Kajjalī Tṛtīyā (Kajari Teej) 1902 falls on Thursday 21 August. Tṛtīyā runs from 05:46 on Thu 21 Aug to 05:11 on Fri 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35129, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 }, "end": { "local": "1902-08-23T04:18:23-00:16", "utc": "1902-08-23T04:34:23Z", "ms": -2125682737012.1875 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 }, "end": { "local": "1902-08-23T04:18:23-00:16", "utc": "1902-08-23T04:34:23Z", "ms": -2125682737012.1875 } }, "kaala": "sayahna", "days": [ { "local_date": "1902-08-21", "window": { "start": { "local": "1902-08-21T16:03:41-00:16", "utc": "1902-08-21T16:19:41Z", "ms": -2125813219140.4912 }, "end": { "local": "1902-08-21T18:33:28-00:16", "utc": "1902-08-21T18:49:28Z", "ms": -2125804232444.9631 } }, "covered_min": 0, "window_min": 150, "qualifies": false }, { "local_date": "1902-08-22", "window": { "start": { "local": "1902-08-22T16:03:15-00:16", "utc": "1902-08-22T16:19:15Z", "ms": -2125726845205.1274 }, "end": { "local": "1902-08-22T18:32:54-00:16", "utc": "1902-08-22T18:48:54Z", "ms": -2125717866140.607 } }, "covered_min": 150, "window_min": 150, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:11 on Fri 22 Aug to 04:17 on Sat 23 Aug.", "fact": "1902-08-22T05:28:22Z → 1902-08-23T04:34:23Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:03–18:32 on the 21st, 16:02–18:32 on the 22nd.", "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 150 minutes on the 21st and 150 of 150 on the 22nd.", "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 35129 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Bamako, 1902: Friday 22 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": "1902-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-22", "confidence": "determinate" } ], "quote": "In Bamako, Bahulā Caturthī 1902 falls on Friday 22 August. Caturthī runs from 05:11 on Fri 22 Aug to 04:17 on Sat 23 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-08-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26483, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 }, "end": { "local": "1902-08-23T04:18:23-00:16", "utc": "1902-08-23T04:34:23Z", "ms": -2125682737012.1875 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-22T05:12:22-00:16", "utc": "1902-08-22T05:28:22Z", "ms": -2125765897528.8596 }, "end": { "local": "1902-08-23T04:18:23-00:16", "utc": "1902-08-23T04:34:23Z", "ms": -2125682737012.1875 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-08-21", "window": { "start": { "local": "1902-08-21T20:12:25-00:16", "utc": "1902-08-21T20:28:25Z", "ms": -2125798295268.108 }, "end": { "local": "1902-08-21T20:12:25-00:16", "utc": "1902-08-21T20:28:25Z", "ms": -2125798295268.108 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-08-22", "window": { "start": { "local": "1902-08-22T20:57:00-00:16", "utc": "1902-08-22T21:13:00Z", "ms": -2125709220304.4946 }, "end": { "local": "1902-08-22T20:57:00-00:16", "utc": "1902-08-22T21:13:00Z", "ms": -2125709220304.4946 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:11 on Fri 22 Aug to 04:17 on Sat 23 Aug.", "fact": "1902-08-22T05:28:22Z → 1902-08-23T04:34:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:11 on the 21st and 20:56 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26483 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Friday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-22", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Friday 22 August. Caturthī runs from 05:11 on Fri 22 Aug to 04:17 on Sat 23 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-08-22", "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/1902/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31703, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-08-24T03:05:53-00:16", "utc": "1902-08-24T03:21:53Z", "ms": -2125600687006.7378 }, "end": { "local": "1902-08-25T01:35:38-00:16", "utc": "1902-08-25T01:51:38Z", "ms": -2125519701631.7156 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-24T03:05:53-00:16", "utc": "1902-08-24T03:21:53Z", "ms": -2125600687006.7378 }, "end": { "local": "1902-08-25T01:35:38-00:16", "utc": "1902-08-25T01:51:38Z", "ms": -2125519701631.7156 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-24", "window": { "start": { "local": "1902-08-24T11:54:16-00:16", "utc": "1902-08-24T12:10:16Z", "ms": -2125568984355.6475 }, "end": { "local": "1902-08-24T12:42:16-00:16", "utc": "1902-08-24T12:58:16Z", "ms": -2125566104355.6475 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-25", "window": { "start": { "local": "1902-08-25T11:54:00-00:16", "utc": "1902-08-25T12:10:00Z", "ms": -2125482600258.503 }, "end": { "local": "1902-08-25T12:42:00-00:16", "utc": "1902-08-25T12:58:00Z", "ms": -2125479720258.503 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:05 on Sun 24 Aug to 01:35 on Mon 25 Aug.", "fact": "1902-08-24T03:21:53Z → 1902-08-25T01:51:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 24th, 11:53–12:41 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31703 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Bamako, 1902: Sunday 24 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": "1902-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-24", "confidence": "determinate" } ], "quote": "In Bamako, Hala Ṣaṣṭhī 1902 falls on Sunday 24 August. Ṣaṣṭhī runs from 03:05 on Sun 24 Aug to 01:35 on Mon 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 345, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-08-25T23:48:17-00:16", "utc": "1902-08-26T00:04:17Z", "ms": -2125439743191.9312 }, "end": { "local": "1902-08-26T21:44:48-00:16", "utc": "1902-08-26T22:00:48Z", "ms": -2125360752111.1738 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-25T23:48:17-00:16", "utc": "1902-08-26T00:04:17Z", "ms": -2125439743191.9312 }, "end": { "local": "1902-08-26T21:44:48-00:16", "utc": "1902-08-26T22:00:48Z", "ms": -2125360752111.1738 } }, "kaala": "nishita", "days": [ { "local_date": "1902-08-25", "window": { "start": { "local": "1902-08-25T23:54:01-00:16", "utc": "1902-08-26T00:10:01Z", "ms": -2125439398639.5225 }, "end": { "local": "1902-08-26T00:42:01-00:16", "utc": "1902-08-26T00:58:01Z", "ms": -2125436518639.5225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-26", "window": { "start": { "local": "1902-08-26T23:53:45-00:16", "utc": "1902-08-27T00:09:45Z", "ms": -2125353015076.9575 }, "end": { "local": "1902-08-27T00:41:45-00:16", "utc": "1902-08-27T00:57:45Z", "ms": -2125350135076.9575 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:47 on Mon 25 Aug to 21:44 on Tue 26 Aug.", "fact": "1902-08-26T00:04:17Z → 1902-08-26T22:00:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 25th, 23:53–00:41 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 345 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Bamako, 1902: Monday 25 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": "1902-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-25", "confidence": "determinate" } ], "quote": "In Bamako, Janmāṣṭamī 1902 falls on Monday 25 August. Aṣṭamī runs from 23:47 on Mon 25 Aug to 21:44 on Tue 26 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37101, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-08-25T01:35:38-00:16", "utc": "1902-08-25T01:51:38Z", "ms": -2125519701631.7156 }, "end": { "local": "1902-08-25T23:48:17-00:16", "utc": "1902-08-26T00:04:17Z", "ms": -2125439743191.9312 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-25T01:35:38-00:16", "utc": "1902-08-25T01:51:38Z", "ms": -2125519701631.7156 }, "end": { "local": "1902-08-25T23:48:17-00:16", "utc": "1902-08-26T00:04:17Z", "ms": -2125439743191.9312 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-08-25", "window": { "start": { "local": "1902-08-25T11:54:00-00:16", "utc": "1902-08-25T12:10:00Z", "ms": -2125482600258.503 }, "end": { "local": "1902-08-25T12:42:00-00:16", "utc": "1902-08-25T12:58:00Z", "ms": -2125479720258.503 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-08-26", "window": { "start": { "local": "1902-08-26T11:53:43-00:16", "utc": "1902-08-26T12:09:43Z", "ms": -2125396216557.139 }, "end": { "local": "1902-08-26T12:41:43-00:16", "utc": "1902-08-26T12:57:43Z", "ms": -2125393336557.139 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:35 on Mon 25 Aug to 23:47 on Mon 25 Aug.", "fact": "1902-08-25T01:51:38Z → 1902-08-26T00:04:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 25th, 11:53–12:41 on the 26th.", "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 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37101 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Bamako, 1902: Monday 25 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": "1902-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-25", "confidence": "determinate" } ], "quote": "In Bamako, Śītalā Saptamī 1902 falls on Monday 25 August. Saptamī runs from 01:35 on Mon 25 Aug to 23:47 on Mon 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-08-29", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29838, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-08-28T16:58:04-00:16", "utc": "1902-08-28T17:14:04Z", "ms": -2125205156026.2683 }, "end": { "local": "1902-08-29T14:22:20-00:16", "utc": "1902-08-29T14:38:20Z", "ms": -2125128100222.8926 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-28T16:58:04-00:16", "utc": "1902-08-28T17:14:04Z", "ms": -2125205156026.2683 }, "end": { "local": "1902-08-29T14:22:20-00:16", "utc": "1902-08-29T14:38:20Z", "ms": -2125128100222.8926 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-08-28", "window": { "start": { "local": "1902-08-28T06:04:59-00:16", "utc": "1902-08-28T06:20:59Z", "ms": -2125244341084.4084 }, "end": { "local": "1902-08-28T06:04:59-00:16", "utc": "1902-08-28T06:20:59Z", "ms": -2125244341084.4084 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-08-29", "window": { "start": { "local": "1902-08-29T06:05:01-00:16", "utc": "1902-08-29T06:21:01Z", "ms": -2125157938650.565 }, "end": { "local": "1902-08-29T06:05:01-00:16", "utc": "1902-08-29T06:21:01Z", "ms": -2125157938650.565 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:57 on Thu 28 Aug to 14:21 on Fri 29 Aug.", "fact": "1902-08-28T17:14:04Z → 1902-08-29T14:38:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 28th and 06:04 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī 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: paraviddha → only-day · margin 29838 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Bamako, 1902: Friday 29 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": "1902-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-29", "confidence": "determinate" } ], "quote": "In Bamako, Ajā Ekādaśī 1902 falls on Friday 29 August. Ekādaśī runs from 16:57 on Thu 28 Aug to 14:21 on Fri 29 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-08-29", "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/1902/pradosha-vrata?on=1902-08-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24147, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-08-30T11:45:39-00:16", "utc": "1902-08-30T12:01:39Z", "ms": -2125051101357.073 }, "end": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-30T11:45:39-00:16", "utc": "1902-08-30T12:01:39Z", "ms": -2125051101357.073 }, "end": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-08-30", "window": { "start": { "local": "1902-08-30T18:28:06-00:16", "utc": "1902-08-30T18:44:06Z", "ms": -2125026954374.0608 }, "end": { "local": "1902-08-30T20:01:02-00:16", "utc": "1902-08-30T20:17:02Z", "ms": -2125021378394.414 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1902-08-31", "window": { "start": { "local": "1902-08-31T18:27:28-00:16", "utc": "1902-08-31T18:43:28Z", "ms": -2124940592447.4844 }, "end": { "local": "1902-08-31T20:00:29-00:16", "utc": "1902-08-31T20:16:29Z", "ms": -2124935011164.0312 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:45 on Sat 30 Aug to 09:14 on Sun 31 Aug.", "fact": "1902-08-30T12:01:39Z → 1902-08-31T09:30:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:00 on the 30th, 18:26–19:59 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 93 of 93 minutes on the 30th and 0 of 93 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 24147 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Saturday 30 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": "1902-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-30", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Saturday 30 August. Trayodaśī runs from 11:45 on Sat 30 Aug to 09:14 on Sun 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33148, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 }, "end": { "local": "1902-09-01T06:58:09-00:16", "utc": "1902-09-01T07:14:09Z", "ms": -2124895551230.689 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 }, "end": { "local": "1902-09-01T06:58:09-00:16", "utc": "1902-09-01T07:14:09Z", "ms": -2124895551230.689 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-08-31", "window": { "start": { "local": "1902-08-31T18:27:28-00:16", "utc": "1902-08-31T18:43:28Z", "ms": -2124940592447.4844 }, "end": { "local": "1902-08-31T20:00:29-00:16", "utc": "1902-08-31T20:16:29Z", "ms": -2124935011164.0312 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1902-09-01", "window": { "start": { "local": "1902-09-01T18:26:49-00:16", "utc": "1902-09-01T18:42:49Z", "ms": -2124854230917.1445 }, "end": { "local": "1902-09-01T19:59:56-00:16", "utc": "1902-09-01T20:15:56Z", "ms": -2124848644307.435 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:14 on Sun 31 Aug to 06:57 on Mon 1 Sep.", "fact": "1902-08-31T09:30:59Z → 1902-09-01T07:14:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:59 on the 31st, 18:26–19:59 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 31st and 0 of 93 on the 1st.", "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 33148 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Bamako, 1902: Sunday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-31", "confidence": "determinate" } ], "quote": "In Bamako, Aghora Caturdaśī 1902 falls on Sunday 31 August. Caturdaśī runs from 09:14 on Sun 31 Aug to 06:57 on Mon 1 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/shivaratri?on=1902-08-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22671, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 }, "end": { "local": "1902-09-01T06:58:09-00:16", "utc": "1902-09-01T07:14:09Z", "ms": -2124895551230.689 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-08-31T09:14:59-00:16", "utc": "1902-08-31T09:30:59Z", "ms": -2124973740867.7478 }, "end": { "local": "1902-09-01T06:58:09-00:16", "utc": "1902-09-01T07:14:09Z", "ms": -2124895551230.689 } }, "kaala": "nishita", "days": [ { "local_date": "1902-08-30", "window": { "start": { "local": "1902-08-30T23:52:36-00:16", "utc": "1902-08-31T00:08:36Z", "ms": -2125007484450.386 }, "end": { "local": "1902-08-31T00:40:36-00:16", "utc": "1902-08-31T00:56:36Z", "ms": -2125004604450.386 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-08-31", "window": { "start": { "local": "1902-08-31T23:52:17-00:16", "utc": "1902-09-01T00:08:17Z", "ms": -2124921102634.5356 }, "end": { "local": "1902-09-01T00:40:17-00:16", "utc": "1902-09-01T00:56:17Z", "ms": -2124918222634.5356 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:14 on Sun 31 Aug to 06:57 on Mon 1 Sep.", "fact": "1902-08-31T09:30:59Z → 1902-09-01T07:14:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 30th, 23:51–00:39 on the 31st.", "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 30th and 48 of 48 on the 31st.", "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 22671 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Sunday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-08-31", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Sunday 31 August. Caturdaśī runs from 09:14 on Sun 31 Aug to 06:57 on Mon 1 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24504, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-09-02T05:03:16-00:16", "utc": "1902-09-02T05:19:16Z", "ms": -2124816044472.0535 }, "end": { "local": "1902-09-03T03:38:11-00:16", "utc": "1902-09-03T03:54:11Z", "ms": -2124734748960.2046 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-02T05:03:16-00:16", "utc": "1902-09-02T05:19:16Z", "ms": -2124816044472.0535 }, "end": { "local": "1902-09-03T03:38:11-00:16", "utc": "1902-09-03T03:54:11Z", "ms": -2124734748960.2046 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-02", "window": { "start": { "local": "1902-09-02T11:51:39-00:16", "utc": "1902-09-02T12:07:39Z", "ms": -2124791540555.481 }, "end": { "local": "1902-09-02T12:39:39-00:16", "utc": "1902-09-02T12:55:39Z", "ms": -2124788660555.481 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-03", "window": { "start": { "local": "1902-09-03T11:51:20-00:16", "utc": "1902-09-03T12:07:20Z", "ms": -2124705159533.064 }, "end": { "local": "1902-09-03T12:39:20-00:16", "utc": "1902-09-03T12:55:20Z", "ms": -2124702279533.064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:02 on Tue 2 Sep to 03:37 on Wed 3 Sep.", "fact": "1902-09-02T05:19:16Z → 1902-09-03T03:54:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 2nd, 11:50–12:38 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24504 s" }, { "step": "ruling", "text": "Rudra Vrata, Bamako, 1902: Tuesday 2 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": "1902-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-02", "confidence": "determinate" } ], "quote": "In Bamako, Rudra Vrata 1902 falls on Tuesday 2 September. Pratipadā runs from 05:02 on Tue 2 Sep to 03:37 on Wed 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32477, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1902-09-04T02:49:44-00:16", "utc": "1902-09-04T03:05:44Z", "ms": -2124651255650.3794 }, "end": { "local": "1902-09-05T02:42:46-00:16", "utc": "1902-09-05T02:58:46Z", "ms": -2124565273776.5823 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-04T02:49:44-00:16", "utc": "1902-09-04T03:05:44Z", "ms": -2124651255650.3794 }, "end": { "local": "1902-09-05T02:42:46-00:16", "utc": "1902-09-05T02:58:46Z", "ms": -2124565273776.5823 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-04", "window": { "start": { "local": "1902-09-04T11:51:01-00:16", "utc": "1902-09-04T12:07:01Z", "ms": -2124618778789.0398 }, "end": { "local": "1902-09-04T12:39:01-00:16", "utc": "1902-09-04T12:55:01Z", "ms": -2124615898789.0398 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-05", "window": { "start": { "local": "1902-09-05T11:50:42-00:16", "utc": "1902-09-05T12:06:42Z", "ms": -2124532398309.462 }, "end": { "local": "1902-09-05T12:38:42-00:16", "utc": "1902-09-05T12:54:42Z", "ms": -2124529518309.462 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:49 on Thu 4 Sep to 02:42 on Fri 5 Sep.", "fact": "1902-09-04T03:05:44Z → 1902-09-05T02:58:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 4th, 11:50–12:38 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32477 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Bamako, 1902: Thursday 4 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": "1902-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-04", "confidence": "determinate" } ], "quote": "In Bamako, Haritālikā Vrata (Hartalika Teej) 1902 falls on Thursday 4 September. Tṛtīyā runs from 02:49 on Thu 4 Sep to 02:42 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-09-05T02:42:46-00:16", "utc": "1902-09-05T02:58:46Z", "ms": -2124565273776.5823 }, "end": { "local": "1902-09-06T03:19:08-00:16", "utc": "1902-09-06T03:35:08Z", "ms": -2124476691940.201 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-05T02:42:46-00:16", "utc": "1902-09-05T02:58:46Z", "ms": -2124565273776.5823 }, "end": { "local": "1902-09-06T03:19:08-00:16", "utc": "1902-09-06T03:35:08Z", "ms": -2124476691940.201 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-05", "window": { "start": { "local": "1902-09-05T11:50:42-00:16", "utc": "1902-09-05T12:06:42Z", "ms": -2124532398309.462 }, "end": { "local": "1902-09-05T12:38:42-00:16", "utc": "1902-09-05T12:54:42Z", "ms": -2124529518309.462 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-06", "window": { "start": { "local": "1902-09-06T11:50:22-00:16", "utc": "1902-09-06T12:06:22Z", "ms": -2124446018079.4424 }, "end": { "local": "1902-09-06T12:38:22-00:16", "utc": "1902-09-06T12:54:22Z", "ms": -2124443138079.4424 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:42 on Fri 5 Sep to 03:18 on Sat 6 Sep.", "fact": "1902-09-05T02:58:46Z → 1902-09-06T03:35:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 5th, 11:49–12:37 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30674 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Bamako, 1902: Friday 5 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": "1902-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-05", "confidence": "determinate" } ], "quote": "In Bamako, Gaṇeśa Caturthī 1902 falls on Friday 5 September. Caturthī runs from 02:42 on Fri 5 Sep to 03:18 on Sat 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25995, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-09-06T03:19:08-00:16", "utc": "1902-09-06T03:35:08Z", "ms": -2124476691940.201 }, "end": { "local": "1902-09-07T04:36:46-00:16", "utc": "1902-09-07T04:52:46Z", "ms": -2124385633511.1624 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-06T03:19:08-00:16", "utc": "1902-09-06T03:35:08Z", "ms": -2124476691940.201 }, "end": { "local": "1902-09-07T04:36:46-00:16", "utc": "1902-09-07T04:52:46Z", "ms": -2124385633511.1624 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-06", "window": { "start": { "local": "1902-09-06T11:50:22-00:16", "utc": "1902-09-06T12:06:22Z", "ms": -2124446018079.4424 }, "end": { "local": "1902-09-06T12:38:22-00:16", "utc": "1902-09-06T12:54:22Z", "ms": -2124443138079.4424 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-07", "window": { "start": { "local": "1902-09-07T11:50:02-00:16", "utc": "1902-09-07T12:06:02Z", "ms": -2124359638083.163 }, "end": { "local": "1902-09-07T12:38:02-00:16", "utc": "1902-09-07T12:54:02Z", "ms": -2124356758083.163 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 03:18 on Sat 6 Sep to 04:36 on Sun 7 Sep.", "fact": "1902-09-06T03:35:08Z → 1902-09-07T04:52:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.", "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 6th and 0 of 48 on the 7th.", "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 25995 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Bamako, 1902: Saturday 6 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": "1902-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-06", "confidence": "determinate" } ], "quote": "In Bamako, Ṛṣi Pañcamī 1902 falls on Saturday 6 September. Pañcamī runs from 03:18 on Sat 6 Sep to 04:36 on Sun 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19229, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-09-07T04:36:46-00:16", "utc": "1902-09-07T04:52:46Z", "ms": -2124385633511.1624 }, "end": { "local": "1902-09-08T06:29:12-00:16", "utc": "1902-09-08T06:45:12Z", "ms": -2124292487532.0122 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-07T04:36:46-00:16", "utc": "1902-09-07T04:52:46Z", "ms": -2124385633511.1624 }, "end": { "local": "1902-09-08T06:29:12-00:16", "utc": "1902-09-08T06:45:12Z", "ms": -2124292487532.0122 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-07", "window": { "start": { "local": "1902-09-07T11:50:02-00:16", "utc": "1902-09-07T12:06:02Z", "ms": -2124359638083.163 }, "end": { "local": "1902-09-07T12:38:02-00:16", "utc": "1902-09-07T12:54:02Z", "ms": -2124356758083.163 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-08", "window": { "start": { "local": "1902-09-08T11:49:42-00:16", "utc": "1902-09-08T12:05:42Z", "ms": -2124273258303.9346 }, "end": { "local": "1902-09-08T12:37:42-00:16", "utc": "1902-09-08T12:53:42Z", "ms": -2124270378303.9346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:36 on Sun 7 Sep to 06:28 on Mon 8 Sep.", "fact": "1902-09-07T04:52:46Z → 1902-09-08T06:45:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 7th, 11:49–12:37 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19229 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Bamako, 1902: Sunday 7 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": "1902-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-07", "confidence": "determinate" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Bhādrapada) 1902 falls on Sunday 7 September. Ṣaṣṭhī runs from 04:36 on Sun 7 Sep to 06:28 on Mon 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11015, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-09-08T06:29:12-00:16", "utc": "1902-09-08T06:45:12Z", "ms": -2124292487532.0122 }, "end": { "local": "1902-09-09T08:45:46-00:16", "utc": "1902-09-09T09:01:46Z", "ms": -2124197893700.1003 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-08T06:29:12-00:16", "utc": "1902-09-08T06:45:12Z", "ms": -2124292487532.0122 }, "end": { "local": "1902-09-09T08:45:46-00:16", "utc": "1902-09-09T09:01:46Z", "ms": -2124197893700.1003 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-08", "window": { "start": { "local": "1902-09-08T11:49:42-00:16", "utc": "1902-09-08T12:05:42Z", "ms": -2124273258303.9346 }, "end": { "local": "1902-09-08T12:37:42-00:16", "utc": "1902-09-08T12:53:42Z", "ms": -2124270378303.9346 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-09", "window": { "start": { "local": "1902-09-09T11:49:21-00:16", "utc": "1902-09-09T12:05:21Z", "ms": -2124186878724.2734 }, "end": { "local": "1902-09-09T12:37:21-00:16", "utc": "1902-09-09T12:53:21Z", "ms": -2124183998724.2734 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:28 on Mon 8 Sep to 08:45 on Tue 9 Sep.", "fact": "1902-09-08T06:45:12Z → 1902-09-09T09:01:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 8th, 11:48–12:36 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11015 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Bamako, 1902: Monday 8 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": "1902-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-08", "confidence": "determinate" } ], "quote": "In Bamako, Muktābharaṇa Vrata 1902 falls on Monday 8 September. Saptamī runs from 06:28 on Mon 8 Sep to 08:45 on Tue 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2170, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-09-09T08:45:46-00:16", "utc": "1902-09-09T09:01:46Z", "ms": -2124197893700.1003 }, "end": { "local": "1902-09-10T11:12:51-00:16", "utc": "1902-09-10T11:28:51Z", "ms": -2124102669426.953 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-09T08:45:46-00:16", "utc": "1902-09-09T09:01:46Z", "ms": -2124197893700.1003 }, "end": { "local": "1902-09-10T11:12:51-00:16", "utc": "1902-09-10T11:28:51Z", "ms": -2124102669426.953 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-09", "window": { "start": { "local": "1902-09-09T11:49:21-00:16", "utc": "1902-09-09T12:05:21Z", "ms": -2124186878724.2734 }, "end": { "local": "1902-09-09T12:37:21-00:16", "utc": "1902-09-09T12:53:21Z", "ms": -2124183998724.2734 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-10", "window": { "start": { "local": "1902-09-10T11:49:01-00:16", "utc": "1902-09-10T12:05:01Z", "ms": -2124100499325.9702 }, "end": { "local": "1902-09-10T12:37:01-00:16", "utc": "1902-09-10T12:53:01Z", "ms": -2124097619325.9702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:45 on Tue 9 Sep to 11:12 on Wed 10 Sep.", "fact": "1902-09-09T09:01:46Z → 1902-09-10T11:28:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 9th, 11:48–12:36 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2170 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Bamako, 1902: Tuesday 9 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": "1902-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-09", "confidence": "boundary" } ], "quote": "In Bamako, Rādhāṣṭamī 1902 falls on Tuesday 9 September. Aṣṭamī runs from 08:45 on Tue 9 Sep to 11:12 on Wed 10 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-09-13", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34577, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-09-12T15:41:31-00:16", "utc": "1902-09-12T15:57:31Z", "ms": -2123913749471.6907 }, "end": { "local": "1902-09-13T17:19:38-00:16", "utc": "1902-09-13T17:35:38Z", "ms": -2123821461631.2622 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-12T15:41:31-00:16", "utc": "1902-09-12T15:57:31Z", "ms": -2123913749471.6907 }, "end": { "local": "1902-09-13T17:19:38-00:16", "utc": "1902-09-13T17:35:38Z", "ms": -2123821461631.2622 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-09-12", "window": { "start": { "local": "1902-09-12T06:05:13-00:16", "utc": "1902-09-12T06:21:13Z", "ms": -2123948326900.3936 }, "end": { "local": "1902-09-12T06:05:13-00:16", "utc": "1902-09-12T06:21:13Z", "ms": -2123948326900.3936 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-09-13", "window": { "start": { "local": "1902-09-13T06:05:13-00:16", "utc": "1902-09-13T06:21:13Z", "ms": -2123861927202.401 }, "end": { "local": "1902-09-13T06:05:13-00:16", "utc": "1902-09-13T06:21:13Z", "ms": -2123861927202.401 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:41 on Fri 12 Sep to 17:19 on Sat 13 Sep.", "fact": "1902-09-12T15:57:31Z → 1902-09-13T17:35:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 12th and 06:04 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34577 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Bamako, 1902: Saturday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-13", "confidence": "determinate" } ], "quote": "In Bamako, Parivartanī Ekādaśī 1902 falls on Saturday 13 September. Ekādaśī runs from 15:41 on Fri 12 Sep to 17:19 on Sat 13 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17020, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-09-13T17:19:38-00:16", "utc": "1902-09-13T17:35:38Z", "ms": -2123821461631.2622 }, "end": { "local": "1902-09-14T18:24:02-00:16", "utc": "1902-09-14T18:40:02Z", "ms": -2123731197911.5015 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-13T17:19:38-00:16", "utc": "1902-09-13T17:35:38Z", "ms": -2123821461631.2622 }, "end": { "local": "1902-09-14T18:24:02-00:16", "utc": "1902-09-14T18:40:02Z", "ms": -2123731197911.5015 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-09-13", "window": { "start": { "local": "1902-09-13T11:47:58-00:16", "utc": "1902-09-13T12:03:58Z", "ms": -2123841362027.0664 }, "end": { "local": "1902-09-13T12:35:58-00:16", "utc": "1902-09-13T12:51:58Z", "ms": -2123838482027.0664 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-09-14", "window": { "start": { "local": "1902-09-14T11:47:37-00:16", "utc": "1902-09-14T12:03:37Z", "ms": -2123754983158.7332 }, "end": { "local": "1902-09-14T12:35:37-00:16", "utc": "1902-09-14T12:51:37Z", "ms": -2123752103158.7332 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:19 on Sat 13 Sep to 18:23 on Sun 14 Sep.", "fact": "1902-09-13T17:35:38Z → 1902-09-14T18:40:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 13th, 11:47–12:35 on the 14th.", "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 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 17020 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Bamako, 1902: Sunday 14 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": "1902-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-14", "confidence": "determinate" } ], "quote": "In Bamako, Vāmana Jayantī 1902 falls on Sunday 14 September. Dvādaśī runs from 17:19 on Sat 13 Sep to 18:23 on Sun 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-09-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 361, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-09-14T18:24:02-00:16", "utc": "1902-09-14T18:40:02Z", "ms": -2123731197911.5015 }, "end": { "local": "1902-09-15T18:52:26-00:16", "utc": "1902-09-15T19:08:26Z", "ms": -2123643094174.9678 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-14T18:24:02-00:16", "utc": "1902-09-14T18:40:02Z", "ms": -2123731197911.5015 }, "end": { "local": "1902-09-15T18:52:26-00:16", "utc": "1902-09-15T19:08:26Z", "ms": -2123643094174.9678 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-09-14", "window": { "start": { "local": "1902-09-14T18:18:01-00:16", "utc": "1902-09-14T18:34:01Z", "ms": -2123731558740.3884 }, "end": { "local": "1902-09-14T19:52:19-00:16", "utc": "1902-09-14T20:08:19Z", "ms": -2123725901309.1487 } }, "covered_min": 88, "window_min": 94, "qualifies": true }, { "local_date": "1902-09-15", "window": { "start": { "local": "1902-09-15T18:17:19-00:16", "utc": "1902-09-15T18:33:19Z", "ms": -2123645200735.1565 }, "end": { "local": "1902-09-15T19:51:42-00:16", "utc": "1902-09-15T20:07:42Z", "ms": -2123639537766.503 } }, "covered_min": 35, "window_min": 94, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:23 on Sun 14 Sep to 18:51 on Mon 15 Sep.", "fact": "1902-09-14T18:40:02Z → 1902-09-15T19:08:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:51 on the 14th, 18:16–19:51 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 94 minutes on the 14th and 35 of 94 on the 15th.", "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 361 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Sunday 14 September.", "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": "1902-09-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-14", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Sunday 14 September. Trayodaśī runs from 18:23 on Sun 14 Sep to 18:51 on Mon 15 Sep and covers 88 of 94 minutes of pradoṣa that evening. It also reaches the next evening for 35 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/1902/pradosha-vrata?on=1902-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36860, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-09-15T18:52:26-00:16", "utc": "1902-09-15T19:08:26Z", "ms": -2123643094174.9678 }, "end": { "local": "1902-09-16T18:45:49-00:16", "utc": "1902-09-16T19:01:49Z", "ms": -2123557091377.351 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1902-09-15T18:52:26-00:16", "utc": "1902-09-15T19:08:26Z", "ms": -2123643094174.9678 }, "end": { "local": "1902-09-16T18:45:49-00:16", "utc": "1902-09-16T19:01:49Z", "ms": -2123557091377.351 } }, "kaala": "udaya-3", "days": [ { "local_date": "1902-09-15", "window": { "start": { "local": "1902-09-15T06:05:12-00:16", "utc": "1902-09-15T06:21:12Z", "ms": -2123689128006.091 }, "end": { "local": "1902-09-15T08:31:37-00:16", "utc": "1902-09-15T08:47:37Z", "ms": -2123680342551.904 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1902-09-16", "window": { "start": { "local": "1902-09-16T06:05:12-00:16", "utc": "1902-09-16T06:21:12Z", "ms": -2123602728470.2542 }, "end": { "local": "1902-09-16T08:31:29-00:16", "utc": "1902-09-16T08:47:29Z", "ms": -2123593951338.3032 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:51 on Mon 15 Sep to 18:45 on Tue 16 Sep.", "fact": "1902-09-15T19:08:26Z → 1902-09-16T19:01:49Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:04–08:31 on the 15th, 06:04–08:30 on the 16th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 15th and 146 of 146 on the 16th.", "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 36860 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Bamako, 1902: Tuesday 16 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": "1902-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-16", "confidence": "determinate" } ], "quote": "In Bamako, Ananta Caturdaśī 1902 falls on Tuesday 16 September. Caturdaśī runs from 18:51 on Mon 15 Sep to 18:45 on Tue 16 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-09-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23995, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-09-20T13:49:23-00:16", "utc": "1902-09-20T14:05:23Z", "ms": -2123229277381.2935 }, "end": { "local": "1902-09-21T11:52:02-00:16", "utc": "1902-09-21T12:08:02Z", "ms": -2123149918176.8755 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-20T13:49:23-00:16", "utc": "1902-09-20T14:05:23Z", "ms": -2123229277381.2935 }, "end": { "local": "1902-09-21T11:52:02-00:16", "utc": "1902-09-21T12:08:02Z", "ms": -2123149918176.8755 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-09-20", "window": { "start": { "local": "1902-09-20T20:29:18-00:16", "utc": "1902-09-20T20:45:18Z", "ms": -2123205281969.9546 }, "end": { "local": "1902-09-20T20:29:18-00:16", "utc": "1902-09-20T20:45:18Z", "ms": -2123205281969.9546 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-09-21", "window": { "start": { "local": "1902-09-21T21:21:22-00:16", "utc": "1902-09-21T21:37:22Z", "ms": -2123115758477.0862 }, "end": { "local": "1902-09-21T21:21:22-00:16", "utc": "1902-09-21T21:37:22Z", "ms": -2123115758477.0862 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:48 on Sat 20 Sep to 11:51 on Sun 21 Sep.", "fact": "1902-09-20T14:05:23Z → 1902-09-21T12:08:02Z" }, { "step": "kaala", "text": "Moonrise is at 20:28 on the 20th and 21:20 on the 21st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.", "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 23995 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Saturday 20 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": "1902-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-20", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Saturday 20 September. Caturthī runs from 13:48 on Sat 20 Sep to 11:51 on Sun 21 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-09-20", "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/1902/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33535, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-09-22T09:46:08-00:16", "utc": "1902-09-22T10:02:08Z", "ms": -2123071071941.4956 }, "end": { "local": "1902-09-23T07:35:07-00:16", "utc": "1902-09-23T07:51:07Z", "ms": -2122992532973.461 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-22T09:46:08-00:16", "utc": "1902-09-22T10:02:08Z", "ms": -2123071071941.4956 }, "end": { "local": "1902-09-23T07:35:07-00:16", "utc": "1902-09-23T07:51:07Z", "ms": -2122992532973.461 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-09-21", "window": { "start": { "local": "1902-09-21T21:21:22-00:16", "utc": "1902-09-21T21:37:22Z", "ms": -2123115758477.0862 }, "end": { "local": "1902-09-21T21:21:22-00:16", "utc": "1902-09-21T21:37:22Z", "ms": -2123115758477.0862 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-09-22", "window": { "start": { "local": "1902-09-22T22:16:12-00:16", "utc": "1902-09-22T22:32:12Z", "ms": -2123026068259.97 }, "end": { "local": "1902-09-22T22:16:12-00:16", "utc": "1902-09-22T22:32:12Z", "ms": -2123026068259.97 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:45 on Mon 22 Sep to 07:34 on Tue 23 Sep.", "fact": "1902-09-22T10:02:08Z → 1902-09-23T07:51:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:20 on the 21st and 22:15 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 21st and is on the 22nd.", "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 33535 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Bamako, 1902: Monday 22 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": "1902-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-22", "confidence": "determinate" } ], "quote": "In Bamako, Candra Ṣaṣṭhī 1902 falls on Monday 22 September. Ṣaṣṭhī runs from 09:45 on Mon 22 Sep to 07:34 on Tue 23 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26600, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-09-24T05:21:59-00:16", "utc": "1902-09-24T05:37:59Z", "ms": -2122914120789.8862 }, "end": { "local": "1902-09-25T03:09:34-00:16", "utc": "1902-09-25T03:25:34Z", "ms": -2122835666364.2764 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-24T05:21:59-00:16", "utc": "1902-09-24T05:37:59Z", "ms": -2122914120789.8862 }, "end": { "local": "1902-09-25T03:09:34-00:16", "utc": "1902-09-25T03:25:34Z", "ms": -2122835666364.2764 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-09-23", "window": { "start": { "local": "1902-09-23T18:11:43-00:16", "utc": "1902-09-23T18:27:43Z", "ms": -2122954337356.124 }, "end": { "local": "1902-09-23T19:46:50-00:16", "utc": "1902-09-23T20:02:50Z", "ms": -2122948629834.707 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1902-09-24", "window": { "start": { "local": "1902-09-24T18:11:01-00:16", "utc": "1902-09-24T18:27:01Z", "ms": -2122867979116.677 }, "end": { "local": "1902-09-24T19:46:14-00:16", "utc": "1902-09-24T20:02:14Z", "ms": -2122862266006.121 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:21 on Wed 24 Sep to 03:09 on Thu 25 Sep.", "fact": "1902-09-24T05:37:59Z → 1902-09-25T03:25:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:46 on the 23rd, 18:10–19:45 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 95 minutes on the 23rd and 95 of 95 on the 24th.", "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 26600 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Bamako, 1902: Wednesday 24 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": "1902-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-24", "confidence": "determinate" } ], "quote": "In Bamako, Jitāṣṭamī (Jitiya) 1902 falls on Wednesday 24 September. Aṣṭamī runs from 05:21 on Wed 24 Sep to 03:09 on Thu 25 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10664, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-09-24T05:21:59-00:16", "utc": "1902-09-24T05:37:59Z", "ms": -2122914120789.8862 }, "end": { "local": "1902-09-25T03:09:34-00:16", "utc": "1902-09-25T03:25:34Z", "ms": -2122835666364.2764 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-24T05:21:59-00:16", "utc": "1902-09-24T05:37:59Z", "ms": -2122914120789.8862 }, "end": { "local": "1902-09-25T03:09:34-00:16", "utc": "1902-09-25T03:25:34Z", "ms": -2122835666364.2764 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-09-23", "window": { "start": { "local": "1902-09-23T23:13:20-00:16", "utc": "1902-09-23T23:29:20Z", "ms": -2122936240204.4001 }, "end": { "local": "1902-09-23T23:13:20-00:16", "utc": "1902-09-23T23:29:20Z", "ms": -2122936240204.4001 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-09-24", "window": { "start": { "local": "1902-09-25T00:11:50-00:16", "utc": "1902-09-25T00:27:50Z", "ms": -2122846329911.1196 }, "end": { "local": "1902-09-25T00:11:50-00:16", "utc": "1902-09-25T00:27:50Z", "ms": -2122846329911.1196 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:21 on Wed 24 Sep to 03:09 on Thu 25 Sep.", "fact": "1902-09-24T05:37:59Z → 1902-09-25T03:25:34Z" }, { "step": "kaala", "text": "Moonrise is at 23:12 on the 23rd and 00:11 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10664 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Bamako, 1902: Wednesday 24 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": "1902-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-24", "confidence": "determinate" } ], "quote": "In Bamako, Mahālakṣmī Vrata Samāpana 1902 falls on Wednesday 24 September. Aṣṭamī runs from 05:21 on Wed 24 Sep to 03:09 on Thu 25 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-09-27", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25590, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-09-26T22:58:40-00:16", "utc": "1902-09-26T23:14:40Z", "ms": -2122677919865.7383 }, "end": { "local": "1902-09-27T21:07:03-00:16", "utc": "1902-09-27T21:23:03Z", "ms": -2122598217075.941 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-26T22:58:40-00:16", "utc": "1902-09-26T23:14:40Z", "ms": -2122677919865.7383 }, "end": { "local": "1902-09-27T21:07:03-00:16", "utc": "1902-09-27T21:23:03Z", "ms": -2122598217075.941 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-09-27", "window": { "start": { "local": "1902-09-27T06:05:10-00:16", "utc": "1902-09-27T06:21:10Z", "ms": -2122652329954.647 }, "end": { "local": "1902-09-27T06:05:10-00:16", "utc": "1902-09-27T06:21:10Z", "ms": -2122652329954.647 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-09-28", "window": { "start": { "local": "1902-09-28T06:05:11-00:16", "utc": "1902-09-28T06:21:11Z", "ms": -2122565929248.8367 }, "end": { "local": "1902-09-28T06:05:11-00:16", "utc": "1902-09-28T06:21:11Z", "ms": -2122565929248.8367 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:58 on Fri 26 Sep to 21:06 on Sat 27 Sep.", "fact": "1902-09-26T23:14:40Z → 1902-09-27T21:23:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 27th and 06:04 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25590 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Bamako, 1902: Saturday 27 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": "1902-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-27", "confidence": "determinate" } ], "quote": "In Bamako, Indirā Ekādaśī 1902 falls on Saturday 27 September. Ekādaśī runs from 22:58 on Fri 26 Sep to 21:06 on Sat 27 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-09-27", "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/1902/pradosha-vrata?on=1902-09-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-28", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 278, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-09-28T19:30:02-00:16", "utc": "1902-09-28T19:46:02Z", "ms": -2122517638040.6387 }, "end": { "local": "1902-09-29T18:12:13-00:16", "utc": "1902-09-29T18:28:13Z", "ms": -2122435907073.948 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-28T19:30:02-00:16", "utc": "1902-09-28T19:46:02Z", "ms": -2122517638040.6387 }, "end": { "local": "1902-09-29T18:12:13-00:16", "utc": "1902-09-29T18:28:13Z", "ms": -2122435907073.948 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-09-28", "window": { "start": { "local": "1902-09-28T18:08:16-00:16", "utc": "1902-09-28T18:24:16Z", "ms": -2122522544376.05 }, "end": { "local": "1902-09-28T19:43:51-00:16", "utc": "1902-09-28T19:59:51Z", "ms": -2122516808903.3748 } }, "covered_min": 14, "window_min": 96, "qualifies": true }, { "local_date": "1902-09-29", "window": { "start": { "local": "1902-09-29T18:07:35-00:16", "utc": "1902-09-29T18:23:35Z", "ms": -2122436185136.0383 }, "end": { "local": "1902-09-29T19:43:16-00:16", "utc": "1902-09-29T19:59:16Z", "ms": -2122430444076.2454 } }, "covered_min": 5, "window_min": 96, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:29 on Sun 28 Sep to 18:11 on Mon 29 Sep.", "fact": "1902-09-28T19:46:02Z → 1902-09-29T18:28:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:43 on the 28th, 18:07–19:42 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 14 of 96 minutes on the 28th and 5 of 96 on the 29th.", "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 278 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Sunday 28 September.", "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": "1902-09-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-28", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Sunday 28 September. Trayodaśī runs from 19:29 on Sun 28 Sep to 18:11 on Mon 29 Sep and covers 14 of 96 minutes of pradoṣa that evening. It also reaches the next evening for 5 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 38 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-09-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19811, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-09-29T18:12:13-00:16", "utc": "1902-09-29T18:28:13Z", "ms": -2122435907073.948 }, "end": { "local": "1902-09-30T17:18:23-00:16", "utc": "1902-09-30T17:34:23Z", "ms": -2122352737270.8037 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-29T18:12:13-00:16", "utc": "1902-09-29T18:28:13Z", "ms": -2122435907073.948 }, "end": { "local": "1902-09-30T17:18:23-00:16", "utc": "1902-09-30T17:34:23Z", "ms": -2122352737270.8037 } }, "kaala": "nishita", "days": [ { "local_date": "1902-09-29", "window": { "start": { "local": "1902-09-29T23:42:24-00:16", "utc": "1902-09-29T23:58:24Z", "ms": -2122416096161.8145 }, "end": { "local": "1902-09-30T00:30:24-00:16", "utc": "1902-09-30T00:46:24Z", "ms": -2122413216161.8145 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-09-30", "window": { "start": { "local": "1902-09-30T23:42:04-00:16", "utc": "1902-09-30T23:58:04Z", "ms": -2122329715719.2515 }, "end": { "local": "1902-10-01T00:30:04-00:16", "utc": "1902-10-01T00:46:04Z", "ms": -2122326835719.2515 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:11 on Mon 29 Sep to 17:17 on Tue 30 Sep.", "fact": "1902-09-29T18:28:13Z → 1902-09-30T17:34:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 29th, 23:41–00:29 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19811 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Monday 29 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": "1902-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-09-29", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Monday 29 September. Caturdaśī runs from 18:11 on Mon 29 Sep to 17:17 on Tue 30 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4263, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1902-09-30T17:18:23-00:16", "utc": "1902-09-30T17:34:23Z", "ms": -2122352737270.8037 }, "end": { "local": "1902-10-01T16:53:05-00:16", "utc": "1902-10-01T17:09:05Z", "ms": -2122267854598.81 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-09-30T17:18:23-00:16", "utc": "1902-09-30T17:34:23Z", "ms": -2122352737270.8037 }, "end": { "local": "1902-10-01T16:53:05-00:16", "utc": "1902-10-01T17:09:05Z", "ms": -2122267854598.81 } }, "kaala": "aparahna", "days": [ { "local_date": "1902-09-30", "window": { "start": { "local": "1902-09-30T13:18:14-00:16", "utc": "1902-09-30T13:34:14Z", "ms": -2122367146254.8125 }, "end": { "local": "1902-09-30T15:42:34-00:16", "utc": "1902-09-30T15:58:34Z", "ms": -2122358485943.8867 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "1902-10-01", "window": { "start": { "local": "1902-10-01T13:17:50-00:16", "utc": "1902-10-01T13:33:50Z", "ms": -2122280769830.3765 }, "end": { "local": "1902-10-01T15:42:02-00:16", "utc": "1902-10-01T15:58:02Z", "ms": -2122272117838.6545 } }, "covered_min": 144, "window_min": 144, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:17 on Tue 30 Sep to 16:52 on Wed 1 Oct.", "fact": "1902-09-30T17:34:23Z → 1902-10-01T17:09:05Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:17–15:42 on the 30th, 13:17–15:41 on the 1st.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 144 minutes on the 30th and 144 of 144 on the 1st.", "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 4263 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Bamako, 1902: Wednesday 1 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": "1902-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-01", "confidence": "determinate" } ], "quote": "In Bamako, Mahālaya Amāvāsyā 1902 falls on Wednesday 1 October. Amāvasyā runs from 17:17 on Tue 30 Sep to 16:52 on Wed 1 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15801, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-10-01T16:53:05-00:16", "utc": "1902-10-01T17:09:05Z", "ms": -2122267854598.81 }, "end": { "local": "1902-10-02T17:00:08-00:16", "utc": "1902-10-02T17:16:08Z", "ms": -2122181032018.9624 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-01T16:53:05-00:16", "utc": "1902-10-01T17:09:05Z", "ms": -2122267854598.81 }, "end": { "local": "1902-10-02T17:00:08-00:16", "utc": "1902-10-02T17:16:08Z", "ms": -2122181032018.9624 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-10-01", "window": { "start": { "local": "1902-10-01T11:41:44-00:16", "utc": "1902-10-01T11:57:44Z", "ms": -2122286535826.2373 }, "end": { "local": "1902-10-01T12:29:44-00:16", "utc": "1902-10-01T12:45:44Z", "ms": -2122283655826.2373 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-10-02", "window": { "start": { "local": "1902-10-02T11:41:25-00:16", "utc": "1902-10-02T11:57:25Z", "ms": -2122200154964.9917 }, "end": { "local": "1902-10-02T12:29:25-00:16", "utc": "1902-10-02T12:45:25Z", "ms": -2122197274964.9917 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:52 on Wed 1 Oct to 16:59 on Thu 2 Oct.", "fact": "1902-10-01T17:09:05Z → 1902-10-02T17:16:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 1st, 11:40–12:28 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "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 15801 s" }, { "step": "ruling", "text": "Navarātrārambha, Bamako, 1902: Thursday 2 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": "1902-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-02", "confidence": "determinate" } ], "quote": "In Bamako, Navarātrārambha (Navratri) 1902 falls on Thursday 2 October. Pratipadā runs from 16:52 on Wed 1 Oct to 16:59 on Thu 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-10-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23353, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-10-04T18:58:01-00:16", "utc": "1902-10-04T19:14:01Z", "ms": -2122001159264.7559 }, "end": { "local": "1902-10-05T20:45:41-00:16", "utc": "1902-10-05T21:01:41Z", "ms": -2121908298885.2654 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-04T18:58:01-00:16", "utc": "1902-10-04T19:14:01Z", "ms": -2122001159264.7559 }, "end": { "local": "1902-10-05T20:45:41-00:16", "utc": "1902-10-05T21:01:41Z", "ms": -2121908298885.2654 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-10-04", "window": { "start": { "local": "1902-10-04T11:40:48-00:16", "utc": "1902-10-04T11:56:48Z", "ms": -2122027392344.528 }, "end": { "local": "1902-10-04T12:28:48-00:16", "utc": "1902-10-04T12:44:48Z", "ms": -2122024512344.528 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-10-05", "window": { "start": { "local": "1902-10-05T11:40:29-00:16", "utc": "1902-10-05T11:56:29Z", "ms": -2121941010551.3853 }, "end": { "local": "1902-10-05T12:28:29-00:16", "utc": "1902-10-05T12:44:29Z", "ms": -2121938130551.3853 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:57 on Sat 4 Oct to 20:45 on Sun 5 Oct.", "fact": "1902-10-04T19:14:01Z → 1902-10-05T21:01:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 4th, 11:39–12:27 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "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 23353 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Sunday 5 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": "1902-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-05", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Sunday 5 October. Caturthī runs from 18:57 on Sat 4 Oct to 20:45 on Sun 5 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-10-05", "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/1902/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7891, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-10-08T01:25:10-00:16", "utc": "1902-10-08T01:41:10Z", "ms": -2121718730151.853 }, "end": { "local": "1902-10-09T03:54:05-00:16", "utc": "1902-10-09T04:10:05Z", "ms": -2121623395119.5205 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-08T01:25:10-00:16", "utc": "1902-10-08T01:41:10Z", "ms": -2121718730151.853 }, "end": { "local": "1902-10-09T03:54:05-00:16", "utc": "1902-10-09T04:10:05Z", "ms": -2121623395119.5205 } }, "kaala": "udaya-1", "days": [ { "local_date": "1902-10-08", "window": { "start": { "local": "1902-10-08T06:05:32-00:16", "utc": "1902-10-08T06:21:32Z", "ms": -2121701908343.1443 }, "end": { "local": "1902-10-08T06:53:16-00:16", "utc": "1902-10-08T07:09:16Z", "ms": -2121699043634.5762 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-10-09", "window": { "start": { "local": "1902-10-09T06:05:35-00:16", "utc": "1902-10-09T06:21:35Z", "ms": -2121615504570.3574 }, "end": { "local": "1902-10-09T06:53:17-00:16", "utc": "1902-10-09T07:09:17Z", "ms": -2121612642593.8022 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:24 on Wed 8 Oct to 03:53 on Thu 9 Oct.", "fact": "1902-10-08T01:41:10Z → 1902-10-09T04:10:05Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:05–06:52 on the 8th, 06:05–06:52 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7891 s" }, { "step": "ruling", "text": "Durgā Saptamī, Bamako, 1902: Wednesday 8 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": "1902-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-08", "confidence": "determinate" } ], "quote": "In Bamako, Durgā Saptamī 1902 falls on Wednesday 8 October. Saptamī runs from 01:24 on Wed 8 Oct to 03:53 on Thu 9 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19674, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-10-09T03:54:05-00:16", "utc": "1902-10-09T04:10:05Z", "ms": -2121623395119.5205 }, "end": { "local": "1902-10-10T06:11:10-00:16", "utc": "1902-10-10T06:27:10Z", "ms": -2121528770310.6938 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-09T03:54:05-00:16", "utc": "1902-10-09T04:10:05Z", "ms": -2121623395119.5205 }, "end": { "local": "1902-10-10T06:11:10-00:16", "utc": "1902-10-10T06:27:10Z", "ms": -2121528770310.6938 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-10-09", "window": { "start": { "local": "1902-10-09T11:39:20-00:16", "utc": "1902-10-09T11:55:20Z", "ms": -2121595479746.1934 }, "end": { "local": "1902-10-09T12:27:20-00:16", "utc": "1902-10-09T12:43:20Z", "ms": -2121592599746.1934 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-10-10", "window": { "start": { "local": "1902-10-10T11:39:04-00:16", "utc": "1902-10-10T11:55:04Z", "ms": -2121509096044.698 }, "end": { "local": "1902-10-10T12:27:04-00:16", "utc": "1902-10-10T12:43:04Z", "ms": -2121506216044.698 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:53 on Thu 9 Oct to 06:10 on Fri 10 Oct.", "fact": "1902-10-09T04:10:05Z → 1902-10-10T06:27:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19674 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Bamako, 1902: Thursday 9 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": "1902-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-09", "confidence": "determinate" } ], "quote": "In Bamako, Mahāṣṭamī (Durga Ashtami) 1902 falls on Thursday 9 October. Aṣṭamī runs from 03:53 on Thu 9 Oct to 06:10 on Fri 10 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12907, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1902-10-10T06:11:10-00:16", "utc": "1902-10-10T06:27:10Z", "ms": -2121528770310.6938 }, "end": { "local": "1902-10-11T08:03:41-00:16", "utc": "1902-10-11T08:19:41Z", "ms": -2121435618888.1362 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-10T06:11:10-00:16", "utc": "1902-10-10T06:27:10Z", "ms": -2121528770310.6938 }, "end": { "local": "1902-10-11T08:03:41-00:16", "utc": "1902-10-11T08:19:41Z", "ms": -2121435618888.1362 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-10-10", "window": { "start": { "local": "1902-10-10T11:39:04-00:16", "utc": "1902-10-10T11:55:04Z", "ms": -2121509096044.698 }, "end": { "local": "1902-10-10T12:27:04-00:16", "utc": "1902-10-10T12:43:04Z", "ms": -2121506216044.698 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-10-11", "window": { "start": { "local": "1902-10-11T11:38:48-00:16", "utc": "1902-10-11T11:54:48Z", "ms": -2121422711905.208 }, "end": { "local": "1902-10-11T12:26:48-00:16", "utc": "1902-10-11T12:42:48Z", "ms": -2121419831905.208 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:10 on Fri 10 Oct to 08:03 on Sat 11 Oct.", "fact": "1902-10-10T06:27:10Z → 1902-10-11T08:19:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.", "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 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12907 s" }, { "step": "ruling", "text": "Mahānavamī, Bamako, 1902: Friday 10 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": "1902-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-10", "confidence": "determinate" } ], "quote": "In Bamako, Mahānavamī 1902 falls on Friday 10 October. Navamī runs from 06:10 on Fri 10 Oct to 08:03 on Sat 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4098, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1902-10-11T08:03:41-00:16", "utc": "1902-10-11T08:19:41Z", "ms": -2121435618888.1362 }, "end": { "local": "1902-10-12T09:21:40-00:16", "utc": "1902-10-12T09:37:40Z", "ms": -2121344540047.2673 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1902-10-11T08:03:41-00:16", "utc": "1902-10-11T08:19:41Z", "ms": -2121435618888.1362 }, "end": { "local": "1902-10-12T04:57:31-00:16", "utc": "1902-10-12T05:13:31Z", "ms": -2121360388732.5366 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1902-10-11T02:59:08-00:16", "utc": "1902-10-11T03:15:08Z", "ms": -2121453892239.1775 }, "end": { "local": "1902-10-12T04:57:31-00:16", "utc": "1902-10-12T05:13:31Z", "ms": -2121360388732.5366 } } }, "kaala": "daytime", "days": [ { "local_date": "1902-10-11", "window": { "start": { "local": "1902-10-11T06:05:44-00:16", "utc": "1902-10-11T06:21:44Z", "ms": -2121442695919.9644 }, "end": { "local": "1902-10-11T17:59:52-00:16", "utc": "1902-10-11T18:15:52Z", "ms": -2121399847890.452 } }, "covered_min": 596, "window_min": 714, "qualifies": true }, { "local_date": "1902-10-12", "window": { "start": { "local": "1902-10-12T06:05:49-00:16", "utc": "1902-10-12T06:21:49Z", "ms": -2121356291011.6152 }, "end": { "local": "1902-10-12T17:59:16-00:16", "utc": "1902-10-12T18:15:16Z", "ms": -2121313483604.7593 } }, "covered_min": 0, "window_min": 713, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 08:03 on Sat 11 Oct to 09:21 on Sun 12 Oct, and Śravaṇa from 02:58 on Sat 11 Oct to 04:57 on Sun 12 Oct. They are together from 08:03 on Sat 11 Oct to 04:57 on Sun 12 Oct.", "fact": "1902-10-11T08:19:41Z → 1902-10-12T05:13:31Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:05–17:59 on the 11th, 06:05–17:58 on the 12th.", "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 596 of 714 minutes on the 11th and 0 of 713 on the 12th.", "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 4098 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Bamako, 1902: Saturday 11 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": "1902-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-11", "confidence": "determinate" } ], "quote": "In Bamako, Vijayā Daśamī (Dussehra) 1902 falls on Saturday 11 October. Daśamī runs from 08:03 on Sat 11 Oct to 09:21 on Sun 12 Oct and is with Śravaṇa in the day time that day, for 596 minutes.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-10-13", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11751, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-10-12T09:21:40-00:16", "utc": "1902-10-12T09:37:40Z", "ms": -2121344540047.2673 }, "end": { "local": "1902-10-13T09:58:54-00:16", "utc": "1902-10-13T10:14:54Z", "ms": -2121255905797.5713 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-12T09:21:40-00:16", "utc": "1902-10-12T09:37:40Z", "ms": -2121344540047.2673 }, "end": { "local": "1902-10-13T09:58:54-00:16", "utc": "1902-10-13T10:14:54Z", "ms": -2121255905797.5713 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-10-12", "window": { "start": { "local": "1902-10-12T06:05:49-00:16", "utc": "1902-10-12T06:21:49Z", "ms": -2121356291011.6152 }, "end": { "local": "1902-10-12T06:05:49-00:16", "utc": "1902-10-12T06:21:49Z", "ms": -2121356291011.6152 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-10-13", "window": { "start": { "local": "1902-10-13T06:05:54-00:16", "utc": "1902-10-13T06:21:54Z", "ms": -2121269885693.4507 }, "end": { "local": "1902-10-13T06:05:54-00:16", "utc": "1902-10-13T06:21:54Z", "ms": -2121269885693.4507 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:21 on Sun 12 Oct to 09:58 on Mon 13 Oct.", "fact": "1902-10-12T09:37:40Z → 1902-10-13T10:14:54Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 12th and 06:05 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11751 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Bamako, 1902: Monday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-13", "confidence": "determinate" } ], "quote": "In Bamako, Pāśāṅkuśā Ekādaśī 1902 falls on Monday 13 October. Ekādaśī runs from 09:21 on Sun 12 Oct to 09:58 on Mon 13 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-10-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29094, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-10-14T09:53:12-00:16", "utc": "1902-10-14T10:09:12Z", "ms": -2121169847794.9055 }, "end": { "local": "1902-10-15T09:05:56-00:16", "utc": "1902-10-15T09:21:56Z", "ms": -2121086284099.535 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1902-10-14T09:53:12-00:16", "utc": "1902-10-14T10:09:12Z", "ms": -2121169847794.9055 }, "end": { "local": "1902-10-15T09:05:56-00:16", "utc": "1902-10-15T09:21:56Z", "ms": -2121086284099.535 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-14", "window": { "start": { "local": "1902-10-14T17:58:07-00:16", "utc": "1902-10-14T18:14:07Z", "ms": -2121140753373.3557 }, "end": { "local": "1902-10-14T19:35:11-00:16", "utc": "1902-10-14T19:51:11Z", "ms": -2121134929425.1543 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1902-10-15", "window": { "start": { "local": "1902-10-15T17:57:33-00:16", "utc": "1902-10-15T18:13:33Z", "ms": -2121054387377.934 }, "end": { "local": "1902-10-15T19:34:42-00:16", "utc": "1902-10-15T19:50:42Z", "ms": -2121048558009.4285 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:52 on Tue 14 Oct to 09:05 on Wed 15 Oct.", "fact": "1902-10-14T10:09:12Z → 1902-10-15T09:21:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:34 on the 14th, 17:57–19:34 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 14th and 0 of 97 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29094 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Tuesday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-14", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Tuesday 14 October. Trayodaśī runs from 09:52 on Tue 14 Oct to 09:05 on Wed 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 6775, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-10-19T22:01:17-00:16", "utc": "1902-10-19T22:17:17Z", "ms": -2120694163240.1982 }, "end": { "local": "1902-10-20T19:13:23-00:16", "utc": "1902-10-20T19:29:23Z", "ms": -2120617836757.064 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-19T22:01:17-00:16", "utc": "1902-10-19T22:17:17Z", "ms": -2120694163240.1982 }, "end": { "local": "1902-10-20T19:13:23-00:16", "utc": "1902-10-20T19:29:23Z", "ms": -2120617836757.064 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-10-19", "window": { "start": { "local": "1902-10-19T20:08:22-00:16", "utc": "1902-10-19T20:24:22Z", "ms": -2120700938235.9211 }, "end": { "local": "1902-10-19T20:08:22-00:16", "utc": "1902-10-19T20:24:22Z", "ms": -2120700938235.9211 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-10-20", "window": { "start": { "local": "1902-10-20T21:06:29-00:16", "utc": "1902-10-20T21:22:29Z", "ms": -2120611050931.228 }, "end": { "local": "1902-10-20T21:06:29-00:16", "utc": "1902-10-20T21:22:29Z", "ms": -2120611050931.228 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:00 on Sun 19 Oct to 19:12 on Mon 20 Oct.", "fact": "1902-10-19T22:17:17Z → 1902-10-20T19:29:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 19th and 21:05 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is not on the 20th.", "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 6775 s" }, { "step": "ruling", "text": "Karaka Caturthī, Bamako, 1902: Sunday 19 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": "1902-10-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-19", "confidence": "boundary" } ], "quote": "In Bamako, Karaka Caturthī (Karwa Chauth) 1902 falls on Sunday 19 October. Caturthī runs from 22:00 on Sun 19 Oct to 19:12 on Mon 20 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-10-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 6775, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-10-19T22:01:17-00:16", "utc": "1902-10-19T22:17:17Z", "ms": -2120694163240.1982 }, "end": { "local": "1902-10-20T19:13:23-00:16", "utc": "1902-10-20T19:29:23Z", "ms": -2120617836757.064 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-19T22:01:17-00:16", "utc": "1902-10-19T22:17:17Z", "ms": -2120694163240.1982 }, "end": { "local": "1902-10-20T19:13:23-00:16", "utc": "1902-10-20T19:29:23Z", "ms": -2120617836757.064 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-10-19", "window": { "start": { "local": "1902-10-19T20:08:22-00:16", "utc": "1902-10-19T20:24:22Z", "ms": -2120700938235.9211 }, "end": { "local": "1902-10-19T20:08:22-00:16", "utc": "1902-10-19T20:24:22Z", "ms": -2120700938235.9211 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-10-20", "window": { "start": { "local": "1902-10-20T21:06:29-00:16", "utc": "1902-10-20T21:22:29Z", "ms": -2120611050931.228 }, "end": { "local": "1902-10-20T21:06:29-00:16", "utc": "1902-10-20T21:22:29Z", "ms": -2120611050931.228 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:00 on Sun 19 Oct to 19:12 on Mon 20 Oct.", "fact": "1902-10-19T22:17:17Z → 1902-10-20T19:29:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 19th and 21:05 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is not on the 20th.", "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 6775 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Sunday 19 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": "1902-10-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-19", "confidence": "boundary" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Sunday 19 October. Caturthī runs from 22:00 on Sun 19 Oct to 19:12 on Mon 20 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-10-19", "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/1902/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34947, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-10-23T11:42:38-00:16", "utc": "1902-10-23T11:58:38Z", "ms": -2120385682264.5083 }, "end": { "local": "1902-10-24T09:46:30-00:16", "utc": "1902-10-24T10:02:30Z", "ms": -2120306250345.99 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-23T11:42:38-00:16", "utc": "1902-10-23T11:58:38Z", "ms": -2120385682264.5083 }, "end": { "local": "1902-10-24T09:46:30-00:16", "utc": "1902-10-24T10:02:30Z", "ms": -2120306250345.99 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-10-22", "window": { "start": { "local": "1902-10-22T23:05:36-00:16", "utc": "1902-10-22T23:21:36Z", "ms": -2120431103743.9705 }, "end": { "local": "1902-10-22T23:05:36-00:16", "utc": "1902-10-22T23:21:36Z", "ms": -2120431103743.9705 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-10-23", "window": { "start": { "local": "1902-10-24T00:04:03-00:16", "utc": "1902-10-24T00:20:03Z", "ms": -2120341197297.222 }, "end": { "local": "1902-10-24T00:04:03-00:16", "utc": "1902-10-24T00:20:03Z", "ms": -2120341197297.222 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:42 on Thu 23 Oct to 09:45 on Fri 24 Oct.", "fact": "1902-10-23T11:58:38Z → 1902-10-24T10:02:30Z" }, { "step": "kaala", "text": "Moonrise is at 23:05 on the 22nd and 00:03 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34947 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Bamako, 1902: Thursday 23 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": "1902-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-23", "confidence": "determinate" } ], "quote": "In Bamako, Ahoyī Aṣṭamī 1902 falls on Thursday 23 October. Aṣṭamī runs from 11:42 on Thu 23 Oct to 09:45 on Fri 24 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-10-27", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 805, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-10-26T07:04:20-00:16", "utc": "1902-10-26T07:20:20Z", "ms": -2120143179813.1917 }, "end": { "local": "1902-10-27T06:21:26-00:16", "utc": "1902-10-27T06:37:26Z", "ms": -2120059353668.8733 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-26T07:04:20-00:16", "utc": "1902-10-26T07:20:20Z", "ms": -2120143179813.1917 }, "end": { "local": "1902-10-27T06:21:26-00:16", "utc": "1902-10-27T06:37:26Z", "ms": -2120059353668.8733 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-10-26", "window": { "start": { "local": "1902-10-26T06:07:48-00:16", "utc": "1902-10-26T06:23:48Z", "ms": -2120146571602.4666 }, "end": { "local": "1902-10-26T06:07:48-00:16", "utc": "1902-10-26T06:23:48Z", "ms": -2120146571602.4666 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-10-27", "window": { "start": { "local": "1902-10-27T06:08:01-00:16", "utc": "1902-10-27T06:24:01Z", "ms": -2120060158855.378 }, "end": { "local": "1902-10-27T06:08:01-00:16", "utc": "1902-10-27T06:24:01Z", "ms": -2120060158855.378 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:03 on Sun 26 Oct to 06:20 on Mon 27 Oct.", "fact": "1902-10-26T07:20:20Z → 1902-10-27T06:37:26Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 26th and 06:07 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 805 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Bamako, 1902: Monday 27 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": "1902-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-27", "confidence": "determinate" } ], "quote": "In Bamako, Ramā Ekādaśī 1902 falls on Monday 27 October. Ekādaśī runs from 07:03 on Sun 26 Oct to 06:20 on Mon 27 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-10-27", "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/1902/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38111, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-10-27T06:21:26-00:16", "utc": "1902-10-27T06:37:26Z", "ms": -2120059353668.8733 }, "end": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-27T06:21:26-00:16", "utc": "1902-10-27T06:37:26Z", "ms": -2120059353668.8733 }, "end": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-26", "window": { "start": { "local": "1902-10-26T17:52:05-00:16", "utc": "1902-10-26T18:08:05Z", "ms": -2120104314868.5532 }, "end": { "local": "1902-10-26T19:30:13-00:16", "utc": "1902-10-26T19:46:13Z", "ms": -2120098427400.13 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1902-10-27", "window": { "start": { "local": "1902-10-27T17:51:40-00:16", "utc": "1902-10-27T18:07:40Z", "ms": -2120017939804.606 }, "end": { "local": "1902-10-27T19:29:53-00:16", "utc": "1902-10-27T19:45:53Z", "ms": -2120012047229.9004 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:20 on Mon 27 Oct to 06:04 on Tue 28 Oct.", "fact": "1902-10-27T06:37:26Z → 1902-10-28T06:21:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:29 on the 26th, 17:51–19:29 on the 27th.", "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 98 minutes on the 26th and 98 of 98 on the 27th.", "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 38111 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Bamako, 1902: Monday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-27", "confidence": "determinate" } ], "quote": "In Bamako, Govatsa Dvādaśī (Vasu Baras) 1902 falls on Monday 27 October. Dvādaśī runs from 06:20 on Mon 27 Oct to 06:04 on Tue 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38111, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 }, "end": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 }, "end": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-27", "window": { "start": { "local": "1902-10-27T17:51:40-00:16", "utc": "1902-10-27T18:07:40Z", "ms": -2120017939804.606 }, "end": { "local": "1902-10-27T19:29:53-00:16", "utc": "1902-10-27T19:45:53Z", "ms": -2120012047229.9004 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1902-10-28", "window": { "start": { "local": "1902-10-28T17:51:16-00:16", "utc": "1902-10-28T18:07:16Z", "ms": -2119931563851.748 }, "end": { "local": "1902-10-28T19:29:34-00:16", "utc": "1902-10-28T19:45:34Z", "ms": -2119925666206.9587 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:04 on Tue 28 Oct to 06:15 on Wed 29 Oct.", "fact": "1902-10-28T06:21:04Z → 1902-10-29T06:31:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:29 on the 27th, 17:50–19:29 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 27th and 98 of 98 on the 28th.", "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 38111 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Bamako, 1902: Tuesday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-28", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dīpadāna 1902 falls on Tuesday 28 October. Trayodaśī runs from 06:04 on Tue 28 Oct to 06:15 on Wed 29 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-10-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38111, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 }, "end": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-28T06:05:04-00:16", "utc": "1902-10-28T06:21:04Z", "ms": -2119973935973.917 }, "end": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-27", "window": { "start": { "local": "1902-10-27T17:51:40-00:16", "utc": "1902-10-27T18:07:40Z", "ms": -2120017939804.606 }, "end": { "local": "1902-10-27T19:29:53-00:16", "utc": "1902-10-27T19:45:53Z", "ms": -2120012047229.9004 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1902-10-28", "window": { "start": { "local": "1902-10-28T17:51:16-00:16", "utc": "1902-10-28T18:07:16Z", "ms": -2119931563851.748 }, "end": { "local": "1902-10-28T19:29:34-00:16", "utc": "1902-10-28T19:45:34Z", "ms": -2119925666206.9587 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:04 on Tue 28 Oct to 06:15 on Wed 29 Oct.", "fact": "1902-10-28T06:21:04Z → 1902-10-29T06:31:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:29 on the 27th, 17:50–19:29 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 27th and 98 of 98 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38111 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Tuesday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-28", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Tuesday 28 October. Trayodaśī runs from 06:04 on Tue 28 Oct to 06:15 on Wed 29 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-10-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21103, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "end": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "end": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 } }, "kaala": "nishita", "days": [ { "local_date": "1902-10-28", "window": { "start": { "local": "1902-10-28T23:35:52-00:16", "utc": "1902-10-28T23:51:52Z", "ms": -2119910887683.788 }, "end": { "local": "1902-10-29T00:23:52-00:16", "utc": "1902-10-29T00:39:52Z", "ms": -2119908007683.788 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-10-29", "window": { "start": { "local": "1902-10-29T23:35:48-00:16", "utc": "1902-10-29T23:51:48Z", "ms": -2119824491956.2021 }, "end": { "local": "1902-10-30T00:23:48-00:16", "utc": "1902-10-30T00:39:48Z", "ms": -2119821611956.2021 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:15 on Wed 29 Oct to 06:52 on Thu 30 Oct.", "fact": "1902-10-29T06:31:35Z → 1902-10-30T07:09:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 28th, 23:35–00:23 on the 29th.", "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 28th and 48 of 48 on the 29th.", "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 21103 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Wednesday 29 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": "1902-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-29", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Wednesday 29 October. Caturdaśī runs from 06:15 on Wed 29 Oct to 06:52 on Thu 30 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-10-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 427, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "end": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-29T06:15:35-00:16", "utc": "1902-10-29T06:31:35Z", "ms": -2119886904879.882 }, "end": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 } }, "kaala": "arunodaya", "days": [ { "local_date": "1902-10-29", "window": { "start": { "local": "1902-10-29T04:30:11-00:16", "utc": "1902-10-29T04:46:11Z", "ms": -2119893229160.6172 }, "end": { "local": "1902-10-29T06:08:28-00:16", "utc": "1902-10-29T06:24:28Z", "ms": -2119887331515.828 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1902-10-30", "window": { "start": { "local": "1902-10-30T04:30:20-00:16", "utc": "1902-10-30T04:46:20Z", "ms": -2119806819594.5508 }, "end": { "local": "1902-10-30T06:08:43-00:16", "utc": "1902-10-30T06:24:43Z", "ms": -2119800916917.5867 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:15 on Wed 29 Oct to 06:52 on Thu 30 Oct.", "fact": "1902-10-29T06:31:35Z → 1902-10-30T07:09:08Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:29–06:07 on the 29th, 04:29–06:08 on the 30th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 98 minutes on the 29th and 98 of 98 on the 30th.", "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 427 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Bamako, 1902: Thursday 30 October.", "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": "1902-10-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-30", "confidence": "determinate" } ], "quote": "In Bamako, Naraka Caturdaśī (Choti Diwali) 1902 falls on Thursday 30 October. Caturdaśī runs from 06:15 on Wed 29 Oct to 06:52 on Thu 30 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35558, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "end": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "end": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-30", "window": { "start": { "local": "1902-10-30T17:50:31-00:16", "utc": "1902-10-30T18:06:31Z", "ms": -2119758809219.4087 }, "end": { "local": "1902-10-30T19:28:58-00:16", "utc": "1902-10-30T19:44:58Z", "ms": -2119752901549.9172 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1902-10-31", "window": { "start": { "local": "1902-10-31T17:50:09-00:16", "utc": "1902-10-31T18:06:09Z", "ms": -2119672430511.716 }, "end": { "local": "1902-10-31T19:28:42-00:16", "utc": "1902-10-31T19:44:42Z", "ms": -2119666517891.114 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:52 on Thu 30 Oct to 07:57 on Fri 31 Oct.", "fact": "1902-10-30T07:09:08Z → 1902-10-31T08:13:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:28 on the 30th, 17:49–19:28 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 98 of 98 minutes on the 30th and 0 of 99 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35558 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Bamako, 1902: Thursday 30 October.", "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": "1902-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-30", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pūjā (Diwali) 1902 falls on Thursday 30 October. Amāvasyā runs from 06:52 on Thu 30 Oct to 07:57 on Fri 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23360, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "end": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-30T06:53:08-00:16", "utc": "1902-10-30T07:09:08Z", "ms": -2119798252018.2075 }, "end": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 } }, "kaala": "nishita", "days": [ { "local_date": "1902-10-29", "window": { "start": { "local": "1902-10-29T23:35:48-00:16", "utc": "1902-10-29T23:51:48Z", "ms": -2119824491956.2021 }, "end": { "local": "1902-10-30T00:23:48-00:16", "utc": "1902-10-30T00:39:48Z", "ms": -2119821611956.2021 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-10-30", "window": { "start": { "local": "1902-10-30T23:35:45-00:16", "utc": "1902-10-30T23:51:45Z", "ms": -2119738095458.816 }, "end": { "local": "1902-10-31T00:23:45-00:16", "utc": "1902-10-31T00:39:45Z", "ms": -2119735215458.816 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 06:52 on Thu 30 Oct to 07:57 on Fri 31 Oct.", "fact": "1902-10-30T07:09:08Z → 1902-10-31T08:13:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 29th, 23:35–00:23 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23360 s" }, { "step": "ruling", "text": "Kālī Pūjā, Bamako, 1902: Thursday 30 October.", "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": "1902-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-30", "confidence": "determinate" } ], "quote": "In Bamako, Kālī Pūjā 1902 falls on Thursday 30 October. Amāvasyā runs from 06:52 on Thu 30 Oct to 07:57 on Fri 31 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7656, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-10-31", "window": { "start": { "local": "1902-10-31T11:35:34-00:16", "utc": "1902-10-31T11:51:34Z", "ms": -2119694906104.9697 }, "end": { "local": "1902-10-31T12:23:34-00:16", "utc": "1902-10-31T12:39:34Z", "ms": -2119692026104.9697 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-01", "window": { "start": { "local": "1902-11-01T11:35:32-00:16", "utc": "1902-11-01T11:51:32Z", "ms": -2119608508357.7974 }, "end": { "local": "1902-11-01T12:23:32-00:16", "utc": "1902-11-01T12:39:32Z", "ms": -2119605628357.7974 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov.", "fact": "1902-10-31T08:13:32Z → 1902-11-01T09:43:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 31st, 11:35–12:23 on the 1st.", "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 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7656 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Bamako, 1902: Friday 31 October.", "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": "1902-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-31", "confidence": "determinate" } ], "quote": "In Bamako, Govardhana Pūjā 1902 falls on Friday 31 October. Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30113, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-10-31", "window": { "start": { "local": "1902-10-31T17:50:09-00:16", "utc": "1902-10-31T18:06:09Z", "ms": -2119672430511.716 }, "end": { "local": "1902-10-31T19:28:42-00:16", "utc": "1902-10-31T19:44:42Z", "ms": -2119666517891.114 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1902-11-01", "window": { "start": { "local": "1902-11-01T17:49:49-00:16", "utc": "1902-11-01T18:05:49Z", "ms": -2119586050858.3943 }, "end": { "local": "1902-11-01T19:28:27-00:16", "utc": "1902-11-01T19:44:27Z", "ms": -2119580133329.8994 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov.", "fact": "1902-10-31T08:13:32Z → 1902-11-01T09:43:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:28 on the 31st, 17:49–19:27 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 99 of 99 minutes on the 31st and 0 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: unstated → only-day · margin 30113 s" }, { "step": "ruling", "text": "Bali Pūjā, Bamako, 1902: Friday 31 October.", "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": "1902-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-10-31", "confidence": "determinate" } ], "quote": "In Bamako, Bali Pūjā 1902 falls on Friday 31 October. Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 789, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 }, "end": { "local": "1902-11-02T11:22:21-00:16", "utc": "1902-11-02T11:38:21Z", "ms": -2119522899114.147 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 }, "end": { "local": "1902-11-02T11:22:21-00:16", "utc": "1902-11-02T11:38:21Z", "ms": -2119522899114.147 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-01", "window": { "start": { "local": "1902-11-01T11:35:32-00:16", "utc": "1902-11-01T11:51:32Z", "ms": -2119608508357.7974 }, "end": { "local": "1902-11-01T12:23:32-00:16", "utc": "1902-11-01T12:39:32Z", "ms": -2119605628357.7974 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-02", "window": { "start": { "local": "1902-11-02T11:35:30-00:16", "utc": "1902-11-02T11:51:30Z", "ms": -2119522109820.5615 }, "end": { "local": "1902-11-02T12:23:30-00:16", "utc": "1902-11-02T12:39:30Z", "ms": -2119519229820.5615 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:27 on Sat 1 Nov to 11:21 on Sun 2 Nov.", "fact": "1902-11-01T09:43:56Z → 1902-11-02T11:38:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 1st, 11:35–12:23 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 789 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Bamako, 1902: Saturday 1 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": "1902-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-01", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dvitīyā (Bhai Dooj) 1902 falls on Saturday 1 November. Dvitīyā runs from 09:27 on Sat 1 Nov to 11:21 on Sun 2 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2090, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-10-31T07:57:32-00:16", "utc": "1902-10-31T08:13:32Z", "ms": -2119707988498.903 }, "end": { "local": "1902-11-01T09:27:56-00:16", "utc": "1902-11-01T09:43:56Z", "ms": -2119616164203.3809 } }, "kaala": "purvahna", "days": [ { "local_date": "1902-10-31", "window": { "start": { "local": "1902-10-31T06:08:58-00:16", "utc": "1902-10-31T06:24:58Z", "ms": -2119714501698.2231 }, "end": { "local": "1902-10-31T10:02:42-00:16", "utc": "1902-10-31T10:18:42Z", "ms": -2119700477969.3875 } }, "covered_min": 125, "window_min": 234, "qualifies": true }, { "local_date": "1902-11-01", "window": { "start": { "local": "1902-11-01T06:09:14-00:16", "utc": "1902-11-01T06:25:14Z", "ms": -2119628085857.2007 }, "end": { "local": "1902-11-01T10:02:46-00:16", "utc": "1902-11-01T10:18:46Z", "ms": -2119614074190.932 } }, "covered_min": 199, "window_min": 234, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov.", "fact": "1902-10-31T08:13:32Z → 1902-11-01T09:43:56Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:08–10:02 on the 31st, 06:08–10:02 on the 1st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 125 of 234 minutes on the 31st and 199 of 234 on the 1st.", "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 2090 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Bamako, 1902: Saturday 1 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1902-11-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-01", "confidence": "boundary" } ], "quote": "In Bamako, Dyūta Pratipad 1902 falls on Saturday 1 November. Pratipadā runs from 07:57 on Fri 31 Oct to 09:27 on Sat 1 Nov and covers 199 of 234 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 125 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/1902/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/1902/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4410, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-11-03T13:36:59-00:16", "utc": "1902-11-03T13:52:59Z", "ms": -2119428420924.0535 }, "end": { "local": "1902-11-04T16:05:42-00:16", "utc": "1902-11-04T16:21:42Z", "ms": -2119333097968.6184 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-03T13:36:59-00:16", "utc": "1902-11-03T13:52:59Z", "ms": -2119428420924.0535 }, "end": { "local": "1902-11-04T16:05:42-00:16", "utc": "1902-11-04T16:21:42Z", "ms": -2119333097968.6184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-03", "window": { "start": { "local": "1902-11-03T11:35:30-00:16", "utc": "1902-11-03T11:51:30Z", "ms": -2119435710487.2837 }, "end": { "local": "1902-11-03T12:23:30-00:16", "utc": "1902-11-03T12:39:30Z", "ms": -2119432830487.2837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-11-04", "window": { "start": { "local": "1902-11-04T11:35:30-00:16", "utc": "1902-11-04T11:51:30Z", "ms": -2119349310352.379 }, "end": { "local": "1902-11-04T12:23:30-00:16", "utc": "1902-11-04T12:39:30Z", "ms": -2119346430352.379 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:36 on Mon 3 Nov to 16:05 on Tue 4 Nov.", "fact": "1902-11-03T13:52:59Z → 1902-11-04T16:21:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 3rd, 11:34–12:22 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4410 s" }, { "step": "ruling", "text": "Nāga Caturthī, Bamako, 1902: Tuesday 4 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": "1902-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-04", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Caturthī 1902 falls on Tuesday 4 November. Caturthī runs from 13:36 on Mon 3 Nov to 16:05 on Tue 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/vinayaka-chaturthi?on=1902-11-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4410, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-11-03T13:36:59-00:16", "utc": "1902-11-03T13:52:59Z", "ms": -2119428420924.0535 }, "end": { "local": "1902-11-04T16:05:42-00:16", "utc": "1902-11-04T16:21:42Z", "ms": -2119333097968.6184 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-03T13:36:59-00:16", "utc": "1902-11-03T13:52:59Z", "ms": -2119428420924.0535 }, "end": { "local": "1902-11-04T16:05:42-00:16", "utc": "1902-11-04T16:21:42Z", "ms": -2119333097968.6184 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-03", "window": { "start": { "local": "1902-11-03T11:35:30-00:16", "utc": "1902-11-03T11:51:30Z", "ms": -2119435710487.2837 }, "end": { "local": "1902-11-03T12:23:30-00:16", "utc": "1902-11-03T12:39:30Z", "ms": -2119432830487.2837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-11-04", "window": { "start": { "local": "1902-11-04T11:35:30-00:16", "utc": "1902-11-04T11:51:30Z", "ms": -2119349310352.379 }, "end": { "local": "1902-11-04T12:23:30-00:16", "utc": "1902-11-04T12:39:30Z", "ms": -2119346430352.379 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:36 on Mon 3 Nov to 16:05 on Tue 4 Nov.", "fact": "1902-11-03T13:52:59Z → 1902-11-04T16:21:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 3rd, 11:34–12:22 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 4410 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Tuesday 4 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": "1902-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-04", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Tuesday 4 November. Caturthī runs from 13:36 on Mon 3 Nov to 16:05 on Tue 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22577, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-11-05T18:39:48-00:16", "utc": "1902-11-05T18:55:48Z", "ms": -2119237452393.471 }, "end": { "local": "1902-11-06T21:08:21-00:16", "utc": "1902-11-06T21:24:21Z", "ms": -2119142138932.7297 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-05T18:39:48-00:16", "utc": "1902-11-05T18:55:48Z", "ms": -2119237452393.471 }, "end": { "local": "1902-11-06T21:08:21-00:16", "utc": "1902-11-06T21:24:21Z", "ms": -2119142138932.7297 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-05", "window": { "start": { "local": "1902-11-05T11:35:31-00:16", "utc": "1902-11-05T11:51:31Z", "ms": -2119262909410.6377 }, "end": { "local": "1902-11-05T12:23:31-00:16", "utc": "1902-11-05T12:39:31Z", "ms": -2119260029410.6377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-11-06", "window": { "start": { "local": "1902-11-06T11:35:32-00:16", "utc": "1902-11-06T11:51:32Z", "ms": -2119176507657.2341 }, "end": { "local": "1902-11-06T12:23:32-00:16", "utc": "1902-11-06T12:39:32Z", "ms": -2119173627657.2341 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:39 on Wed 5 Nov to 21:07 on Thu 6 Nov.", "fact": "1902-11-05T18:55:48Z → 1902-11-06T21:24:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 5th, 11:35–12:23 on the 6th.", "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 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: unstated → only-day · margin 22577 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Bamako, 1902: Thursday 6 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": "1902-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-06", "confidence": "determinate" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Chhath) 1902 falls on Thursday 6 November. Ṣaṣṭhī runs from 18:39 on Wed 5 Nov to 21:07 on Thu 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38092, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1902-11-07T23:19:17-00:16", "utc": "1902-11-07T23:35:17Z", "ms": -2119047883214.6921 }, "end": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-07T23:19:17-00:16", "utc": "1902-11-07T23:35:17Z", "ms": -2119047883214.6921 }, "end": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-08", "window": { "start": { "local": "1902-11-08T11:35:38-00:16", "utc": "1902-11-08T11:51:38Z", "ms": -2119003701698.0664 }, "end": { "local": "1902-11-08T12:23:38-00:16", "utc": "1902-11-08T12:39:38Z", "ms": -2119000821698.0664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-09", "window": { "start": { "local": "1902-11-09T11:35:43-00:16", "utc": "1902-11-09T11:51:43Z", "ms": -2118917297484.5474 }, "end": { "local": "1902-11-09T12:23:43-00:16", "utc": "1902-11-09T12:39:43Z", "ms": -2118914417484.5474 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:18 on Fri 7 Nov to 01:00 on Sun 9 Nov.", "fact": "1902-11-07T23:35:17Z → 1902-11-09T01:16:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 8th, 11:35–12:23 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38092 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Bamako, 1902: Saturday 8 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": "1902-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-08", "confidence": "determinate" } ], "quote": "In Bamako, Gopāṣṭamī 1902 falls on Saturday 8 November. Aṣṭamī runs from 23:18 on Fri 7 Nov to 01:00 on Sun 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14925, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 }, "end": { "local": "1902-11-10T02:03:19-00:16", "utc": "1902-11-10T02:19:19Z", "ms": -2118865240831.3022 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 }, "end": { "local": "1902-11-10T02:03:19-00:16", "utc": "1902-11-10T02:19:19Z", "ms": -2118865240831.3022 } }, "kaala": "purvahna", "days": [ { "local_date": "1902-11-09", "window": { "start": { "local": "1902-11-09T06:11:43-00:16", "utc": "1902-11-09T06:27:43Z", "ms": -2118936736884.735 }, "end": { "local": "1902-11-09T10:03:43-00:16", "utc": "1902-11-09T10:19:43Z", "ms": -2118922817284.61 } }, "covered_min": 232, "window_min": 232, "qualifies": true }, { "local_date": "1902-11-10", "window": { "start": { "local": "1902-11-10T06:12:04-00:16", "utc": "1902-11-10T06:28:04Z", "ms": -2118850315520.7087 }, "end": { "local": "1902-11-10T10:03:53-00:16", "utc": "1902-11-10T10:19:53Z", "ms": -2118836406802.7417 } }, "covered_min": 0, "window_min": 232, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:00 on Sun 9 Nov to 02:02 on Mon 10 Nov.", "fact": "1902-11-09T01:16:51Z → 1902-11-10T02:19:19Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:11–10:03 on the 9th, 06:11–10:03 on the 10th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 232 of 232 minutes on the 9th and 0 of 232 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14925 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Bamako, 1902: Sunday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-09", "confidence": "determinate" } ], "quote": "In Bamako, Akṣaya Navamī (Amla Navami) 1902 falls on Sunday 9 November. Navamī runs from 01:00 on Sun 9 Nov to 02:02 on Mon 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34348, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 }, "end": { "local": "1902-11-10T02:03:19-00:16", "utc": "1902-11-10T02:19:19Z", "ms": -2118865240831.3022 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-09T01:00:51-00:16", "utc": "1902-11-09T01:16:51Z", "ms": -2118955389256.5308 }, "end": { "local": "1902-11-10T02:03:19-00:16", "utc": "1902-11-10T02:19:19Z", "ms": -2118865240831.3022 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-09", "window": { "start": { "local": "1902-11-09T11:35:43-00:16", "utc": "1902-11-09T11:51:43Z", "ms": -2118917297484.5474 }, "end": { "local": "1902-11-09T12:23:43-00:16", "utc": "1902-11-09T12:39:43Z", "ms": -2118914417484.5474 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-10", "window": { "start": { "local": "1902-11-10T11:35:48-00:16", "utc": "1902-11-10T11:51:48Z", "ms": -2118830892443.7583 }, "end": { "local": "1902-11-10T12:23:48-00:16", "utc": "1902-11-10T12:39:48Z", "ms": -2118828012443.7583 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:00 on Sun 9 Nov to 02:02 on Mon 10 Nov.", "fact": "1902-11-09T01:16:51Z → 1902-11-10T02:19:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 9th, 11:35–12:23 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34348 s" }, { "step": "ruling", "text": "Durgā Navamī, Bamako, 1902: Sunday 9 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": "1902-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-09", "confidence": "determinate" } ], "quote": "In Bamako, Durgā Navamī 1902 falls on Sunday 9 November. Navamī runs from 01:00 on Sun 9 Nov to 02:02 on Mon 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-11-11", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13932, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-11-11T02:20:15-00:16", "utc": "1902-11-11T02:36:15Z", "ms": -2118777825262.754 }, "end": { "local": "1902-11-12T01:49:02-00:16", "utc": "1902-11-12T02:05:02Z", "ms": -2118693297662.8499 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-11T02:20:15-00:16", "utc": "1902-11-11T02:36:15Z", "ms": -2118777825262.754 }, "end": { "local": "1902-11-12T01:49:02-00:16", "utc": "1902-11-12T02:05:02Z", "ms": -2118693297662.8499 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-11-11", "window": { "start": { "local": "1902-11-11T06:12:26-00:16", "utc": "1902-11-11T06:28:26Z", "ms": -2118763893559.8103 }, "end": { "local": "1902-11-11T06:12:26-00:16", "utc": "1902-11-11T06:28:26Z", "ms": -2118763893559.8103 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-11-12", "window": { "start": { "local": "1902-11-12T06:12:49-00:16", "utc": "1902-11-12T06:28:49Z", "ms": -2118677471006.5825 }, "end": { "local": "1902-11-12T06:12:49-00:16", "utc": "1902-11-12T06:28:49Z", "ms": -2118677471006.5825 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:19 on Tue 11 Nov to 01:48 on Wed 12 Nov.", "fact": "1902-11-11T02:36:15Z → 1902-11-12T02:05:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 11th and 06:12 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13932 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Bamako, 1902: Tuesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-11", "confidence": "determinate" } ], "quote": "In Bamako, Prabodhinī Ekādaśī 1902 falls on Tuesday 11 November. Ekādaśī runs from 02:19 on Tue 11 Nov to 01:48 on Wed 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/pradosha-vrata?on=1902-11-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11018, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-11-13T00:30:54-00:16", "utc": "1902-11-13T00:46:54Z", "ms": -2118611586248.939 }, "end": { "local": "1902-11-13T22:30:14-00:16", "utc": "1902-11-13T22:46:14Z", "ms": -2118532426225.735 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-13T00:30:54-00:16", "utc": "1902-11-13T00:46:54Z", "ms": -2118611586248.939 }, "end": { "local": "1902-11-13T22:30:14-00:16", "utc": "1902-11-13T22:46:14Z", "ms": -2118532426225.735 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-11-12", "window": { "start": { "local": "1902-11-12T17:47:11-00:16", "utc": "1902-11-12T18:03:11Z", "ms": -2118635808728.4556 }, "end": { "local": "1902-11-12T19:26:39-00:16", "utc": "1902-11-12T19:42:39Z", "ms": -2118629840613.401 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1902-11-13", "window": { "start": { "local": "1902-11-13T17:47:03-00:16", "utc": "1902-11-13T18:03:03Z", "ms": -2118549416785.8289 }, "end": { "local": "1902-11-13T19:26:36-00:16", "utc": "1902-11-13T19:42:36Z", "ms": -2118543444433.2024 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:30 on Thu 13 Nov to 22:29 on Thu 13 Nov.", "fact": "1902-11-13T00:46:54Z → 1902-11-13T22:46:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:26 on the 12th, 17:46–19:26 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 12th and 100 of 100 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11018 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Thursday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-13", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Thursday 13 November. Trayodaśī runs from 00:30 on Thu 13 Nov to 22:29 on Thu 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13354, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-11-14T19:53:54-00:16", "utc": "1902-11-14T20:09:54Z", "ms": -2118455406052.157 }, "end": { "local": "1902-11-15T16:50:26-00:16", "utc": "1902-11-15T17:06:26Z", "ms": -2118380013620.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-14T19:53:54-00:16", "utc": "1902-11-14T20:09:54Z", "ms": -2118455406052.157 }, "end": { "local": "1902-11-15T16:50:26-00:16", "utc": "1902-11-15T17:06:26Z", "ms": -2118380013620.9167 } }, "kaala": "nishita", "days": [ { "local_date": "1902-11-14", "window": { "start": { "local": "1902-11-14T23:36:28-00:16", "utc": "1902-11-14T23:52:28Z", "ms": -2118442051792.0024 }, "end": { "local": "1902-11-15T00:24:28-00:16", "utc": "1902-11-15T00:40:28Z", "ms": -2118439171792.0024 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-15", "window": { "start": { "local": "1902-11-15T23:36:38-00:16", "utc": "1902-11-15T23:52:38Z", "ms": -2118355642279.455 }, "end": { "local": "1902-11-16T00:24:38-00:16", "utc": "1902-11-16T00:40:38Z", "ms": -2118352762279.455 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:53 on Fri 14 Nov to 16:49 on Sat 15 Nov.", "fact": "1902-11-14T20:09:54Z → 1902-11-15T17:06:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 14th, 23:36–00:24 on the 15th.", "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 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13354 s" }, { "step": "ruling", "text": "Rāsayātrā, Bamako, 1902: Friday 14 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": "1902-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-14", "confidence": "determinate" } ], "quote": "In Bamako, Rāsayātrā 1902 falls on Friday 14 November. Pūrṇimā runs from 19:53 on Fri 14 Nov to 16:49 on Sat 15 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15961, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-11-14T19:53:54-00:16", "utc": "1902-11-14T20:09:54Z", "ms": -2118455406052.157 }, "end": { "local": "1902-11-15T16:50:26-00:16", "utc": "1902-11-15T17:06:26Z", "ms": -2118380013620.9167 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1902-11-14T19:53:54-00:16", "utc": "1902-11-14T20:09:54Z", "ms": -2118455406052.157 }, "end": { "local": "1902-11-15T16:50:26-00:16", "utc": "1902-11-15T17:06:26Z", "ms": -2118380013620.9167 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-11-14", "window": { "start": { "local": "1902-11-14T11:36:16-00:16", "utc": "1902-11-14T11:52:16Z", "ms": -2118485263943.6887 }, "end": { "local": "1902-11-14T12:24:16-00:16", "utc": "1902-11-14T12:40:16Z", "ms": -2118482383943.6887 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-11-15", "window": { "start": { "local": "1902-11-15T11:36:25-00:16", "utc": "1902-11-15T11:52:25Z", "ms": -2118398854718.2676 }, "end": { "local": "1902-11-15T12:24:25-00:16", "utc": "1902-11-15T12:40:25Z", "ms": -2118395974718.2676 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:53 on Fri 14 Nov to 16:49 on Sat 15 Nov.", "fact": "1902-11-14T20:09:54Z → 1902-11-15T17:06:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15961 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Bamako, 1902: Saturday 15 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": "1902-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-15", "confidence": "determinate" } ], "quote": "In Bamako, Kārtikī Pūrṇimā 1902 falls on Saturday 15 November. Pūrṇimā runs from 19:53 on Fri 14 Nov to 16:49 on Sat 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-11-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23140, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-11-18T06:34:40-00:16", "utc": "1902-11-18T06:50:40Z", "ms": -2118157760294.046 }, "end": { "local": "1902-11-19T03:20:38-00:16", "utc": "1902-11-19T03:36:38Z", "ms": -2118083001826.1472 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-11-18T06:34:40-00:16", "utc": "1902-11-18T06:50:40Z", "ms": -2118157760294.046 }, "end": { "local": "1902-11-19T03:20:38-00:16", "utc": "1902-11-19T03:36:38Z", "ms": -2118083001826.1472 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-11-17", "window": { "start": { "local": "1902-11-17T19:52:50-00:16", "utc": "1902-11-17T20:08:50Z", "ms": -2118196269589.1133 }, "end": { "local": "1902-11-17T19:52:50-00:16", "utc": "1902-11-17T20:08:50Z", "ms": -2118196269589.1133 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-11-18", "window": { "start": { "local": "1902-11-18T20:54:58-00:16", "utc": "1902-11-18T21:10:58Z", "ms": -2118106142281.7175 }, "end": { "local": "1902-11-18T20:54:58-00:16", "utc": "1902-11-18T21:10:58Z", "ms": -2118106142281.7175 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:34 on Tue 18 Nov to 03:20 on Wed 19 Nov.", "fact": "1902-11-18T06:50:40Z → 1902-11-19T03:36:38Z" }, { "step": "kaala", "text": "Moonrise is at 19:52 on the 17th and 20:54 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.", "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 23140 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Tuesday 18 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": "1902-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-18", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Tuesday 18 November. Caturthī runs from 06:34 on Tue 18 Nov to 03:20 on Wed 19 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-11-18", "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/1902/ekadashi?on=1902-11-25", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40411, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-11-24T18:28:05-00:16", "utc": "1902-11-24T18:44:05Z", "ms": -2117596554814.5215 }, "end": { "local": "1902-11-25T19:05:32-00:16", "utc": "1902-11-25T19:21:32Z", "ms": -2117507908011.199 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-11-24T18:28:05-00:16", "utc": "1902-11-24T18:44:05Z", "ms": -2117596554814.5215 }, "end": { "local": "1902-11-25T19:05:32-00:16", "utc": "1902-11-25T19:21:32Z", "ms": -2117507908011.199 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-11-25", "window": { "start": { "local": "1902-11-25T06:18:33-00:16", "utc": "1902-11-25T06:34:33Z", "ms": -2117553926719.612 }, "end": { "local": "1902-11-25T06:18:33-00:16", "utc": "1902-11-25T06:34:33Z", "ms": -2117553926719.612 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-11-26", "window": { "start": { "local": "1902-11-26T06:19:03-00:16", "utc": "1902-11-26T06:35:03Z", "ms": -2117467496715.0935 }, "end": { "local": "1902-11-26T06:19:03-00:16", "utc": "1902-11-26T06:35:03Z", "ms": -2117467496715.0935 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:27 on Mon 24 Nov to 19:05 on Tue 25 Nov.", "fact": "1902-11-24T18:44:05Z → 1902-11-25T19:21:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:18 on the 25th and 06:18 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40411 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Bamako, 1902: Tuesday 25 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": "1902-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-25", "confidence": "determinate" } ], "quote": "In Bamako, Utpannā Ekādaśī 1902 falls on Tuesday 25 November. Ekādaśī runs from 18:27 on Mon 24 Nov to 19:05 on Tue 25 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-11-25", "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/1902/pradosha-vrata?on=1902-11-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2733, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-11-26T20:12:54-00:16", "utc": "1902-11-26T20:28:54Z", "ms": -2117417465773.3718 }, "end": { "local": "1902-11-27T21:45:27-00:16", "utc": "1902-11-27T22:01:27Z", "ms": -2117325513218.0374 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-11-26T20:12:54-00:16", "utc": "1902-11-26T20:28:54Z", "ms": -2117417465773.3718 }, "end": { "local": "1902-11-27T21:45:27-00:16", "utc": "1902-11-27T22:01:27Z", "ms": -2117325513218.0374 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-11-26", "window": { "start": { "local": "1902-11-26T17:47:01-00:16", "utc": "1902-11-26T18:03:01Z", "ms": -2117426218869.3267 }, "end": { "local": "1902-11-26T19:27:21-00:16", "utc": "1902-11-26T19:43:21Z", "ms": -2117420198527.4775 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1902-11-27", "window": { "start": { "local": "1902-11-27T17:47:09-00:16", "utc": "1902-11-27T18:03:09Z", "ms": -2117339811061.2502 }, "end": { "local": "1902-11-27T19:27:32-00:16", "utc": "1902-11-27T19:43:32Z", "ms": -2117333787655.4175 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:12 on Wed 26 Nov to 21:44 on Thu 27 Nov.", "fact": "1902-11-26T20:28:54Z → 1902-11-27T22:01:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:26 on the 26th, 17:46–19:27 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 0 of 100 minutes on the 26th and 100 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 2733 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Thursday 27 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": "1902-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-27", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Thursday 27 November. Trayodaśī runs from 20:12 on Wed 26 Nov to 21:44 on Thu 27 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-11-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-11-27", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 79, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-11-27T21:45:27-00:16", "utc": "1902-11-27T22:01:27Z", "ms": -2117325513218.0374 }, "end": { "local": "1902-11-28T23:38:38-00:16", "utc": "1902-11-28T23:54:38Z", "ms": -2117232322109.6719 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-11-27T21:45:27-00:16", "utc": "1902-11-27T22:01:27Z", "ms": -2117325513218.0374 }, "end": { "local": "1902-11-28T23:38:38-00:16", "utc": "1902-11-28T23:54:38Z", "ms": -2117232322109.6719 } }, "kaala": "nishita", "days": [ { "local_date": "1902-11-27", "window": { "start": { "local": "1902-11-27T23:39:37-00:16", "utc": "1902-11-27T23:55:37Z", "ms": -2117318663289.3777 }, "end": { "local": "1902-11-28T00:27:37-00:16", "utc": "1902-11-28T00:43:37Z", "ms": -2117315783289.3777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-11-28", "window": { "start": { "local": "1902-11-28T23:39:57-00:16", "utc": "1902-11-28T23:55:57Z", "ms": -2117232243261.8994 }, "end": { "local": "1902-11-29T00:27:57-00:16", "utc": "1902-11-29T00:43:57Z", "ms": -2117229363261.8994 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:44 on Thu 27 Nov to 23:38 on Fri 28 Nov.", "fact": "1902-11-27T22:01:27Z → 1902-11-28T23:54:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 27th, 23:39–00:27 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 79 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Thursday 27 November.", "fact": "confidence: boundary (margin)" } ], "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": "1902-11-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-11-27", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1902 falls on Thursday 27 November. Caturdaśī runs from 21:44 on Thu 27 Nov to 23:38 on Fri 28 Nov and covers all of niśītha that night. It is 1 min 19 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/vinayaka-chaturthi?on=1902-12-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 479, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-12-03T09:17:31-00:16", "utc": "1902-12-03T09:33:31Z", "ms": -2116851988785.745 }, "end": { "local": "1902-12-04T11:49:54-00:16", "utc": "1902-12-04T12:05:54Z", "ms": -2116756446165.0217 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-03T09:17:31-00:16", "utc": "1902-12-03T09:33:31Z", "ms": -2116851988785.745 }, "end": { "local": "1902-12-04T11:49:54-00:16", "utc": "1902-12-04T12:05:54Z", "ms": -2116756446165.0217 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-03", "window": { "start": { "local": "1902-12-03T11:41:31-00:16", "utc": "1902-12-03T11:57:31Z", "ms": -2116843349175.283 }, "end": { "local": "1902-12-03T12:29:31-00:16", "utc": "1902-12-03T12:45:31Z", "ms": -2116840469175.283 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-12-04", "window": { "start": { "local": "1902-12-04T11:41:55-00:16", "utc": "1902-12-04T11:57:55Z", "ms": -2116756925331.7388 }, "end": { "local": "1902-12-04T12:29:55-00:16", "utc": "1902-12-04T12:45:55Z", "ms": -2116754045331.7388 } }, "covered_min": 8, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:17 on Wed 3 Dec to 11:49 on Thu 4 Dec.", "fact": "1902-12-03T09:33:31Z → 1902-12-04T12:05:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 3rd, 11:41–12:29 on the 4th.", "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 3rd and 8 of 48 on the 4th.", "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 479 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1902: Wednesday 3 December.", "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": "1902-12-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-03", "confidence": "boundary" } ], "quote": "In Bamako, Vināyaka Caturthī 1902 falls on Wednesday 3 December. Caturthī runs from 09:17 on Wed 3 Dec to 11:49 on Thu 4 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 8 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1902/vinayaka-chaturthi?on=1902-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 479, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1902-12-04T11:49:54-00:16", "utc": "1902-12-04T12:05:54Z", "ms": -2116756446165.0217 }, "end": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-04T11:49:54-00:16", "utc": "1902-12-04T12:05:54Z", "ms": -2116756446165.0217 }, "end": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-04", "window": { "start": { "local": "1902-12-04T11:41:55-00:16", "utc": "1902-12-04T11:57:55Z", "ms": -2116756925331.7388 }, "end": { "local": "1902-12-04T12:29:55-00:16", "utc": "1902-12-04T12:45:55Z", "ms": -2116754045331.7388 } }, "covered_min": 40, "window_min": 48, "qualifies": true }, { "local_date": "1902-12-05", "window": { "start": { "local": "1902-12-05T11:42:19-00:16", "utc": "1902-12-05T11:58:19Z", "ms": -2116670500910.1348 }, "end": { "local": "1902-12-05T12:30:19-00:16", "utc": "1902-12-05T12:46:19Z", "ms": -2116667620910.1348 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:49 on Thu 4 Dec to 14:10 on Fri 5 Dec.", "fact": "1902-12-04T12:05:54Z → 1902-12-05T14:27:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 4th, 11:41–12:29 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 40 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": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 479 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Bamako, 1902: Friday 5 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-05", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī (Mārgaśīrṣa) 1902 falls on Friday 5 December. Pañcamī runs from 11:49 on Thu 4 Dec to 14:10 on Fri 5 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 40 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6048, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 }, "end": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 }, "end": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-05", "window": { "start": { "local": "1902-12-05T11:42:19-00:16", "utc": "1902-12-05T11:58:19Z", "ms": -2116670500910.1348 }, "end": { "local": "1902-12-05T12:30:19-00:16", "utc": "1902-12-05T12:46:19Z", "ms": -2116667620910.1348 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-12-06", "window": { "start": { "local": "1902-12-06T11:42:44-00:16", "utc": "1902-12-06T11:58:44Z", "ms": -2116584075937.3042 }, "end": { "local": "1902-12-06T12:30:44-00:16", "utc": "1902-12-06T12:46:44Z", "ms": -2116581195937.3042 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:10 on Fri 5 Dec to 16:10 on Sat 6 Dec.", "fact": "1902-12-05T14:27:07Z → 1902-12-06T16:27:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 5th, 11:42–12:30 on the 6th.", "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 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: paraviddha → only-day · margin 6048 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Bamako, 1902: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-06", "confidence": "determinate" } ], "quote": "In Bamako, Campā Ṣaṣṭhī 1902 falls on Saturday 6 December. Ṣaṣṭhī runs from 14:10 on Fri 5 Dec to 16:10 on Sat 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6048, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 }, "end": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-05T14:11:07-00:16", "utc": "1902-12-05T14:27:07Z", "ms": -2116661572954.9375 }, "end": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-05", "window": { "start": { "local": "1902-12-05T11:42:19-00:16", "utc": "1902-12-05T11:58:19Z", "ms": -2116670500910.1348 }, "end": { "local": "1902-12-05T12:30:19-00:16", "utc": "1902-12-05T12:46:19Z", "ms": -2116667620910.1348 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-12-06", "window": { "start": { "local": "1902-12-06T11:42:44-00:16", "utc": "1902-12-06T11:58:44Z", "ms": -2116584075937.3042 }, "end": { "local": "1902-12-06T12:30:44-00:16", "utc": "1902-12-06T12:46:44Z", "ms": -2116581195937.3042 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:10 on Fri 5 Dec to 16:10 on Sat 6 Dec.", "fact": "1902-12-05T14:27:07Z → 1902-12-06T16:27:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 5th, 11:42–12:30 on the 6th.", "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 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 6048 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Bamako, 1902: Saturday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-06", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī 1902 falls on Saturday 6 December. Ṣaṣṭhī runs from 14:10 on Fri 5 Dec to 16:10 on Sat 6 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13240, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 }, "end": { "local": "1902-12-07T17:40:38-00:16", "utc": "1902-12-07T17:56:38Z", "ms": -2116476202423.591 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-06T16:11:24-00:16", "utc": "1902-12-06T16:27:24Z", "ms": -2116567955575.6414 }, "end": { "local": "1902-12-07T17:40:38-00:16", "utc": "1902-12-07T17:56:38Z", "ms": -2116476202423.591 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-06", "window": { "start": { "local": "1902-12-06T11:42:44-00:16", "utc": "1902-12-06T11:58:44Z", "ms": -2116584075937.3042 }, "end": { "local": "1902-12-06T12:30:44-00:16", "utc": "1902-12-06T12:46:44Z", "ms": -2116581195937.3042 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-12-07", "window": { "start": { "local": "1902-12-07T11:43:10-00:16", "utc": "1902-12-07T11:59:10Z", "ms": -2116497650440.606 }, "end": { "local": "1902-12-07T12:31:10-00:16", "utc": "1902-12-07T12:47:10Z", "ms": -2116494770440.606 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:10 on Sat 6 Dec to 17:40 on Sun 7 Dec.", "fact": "1902-12-06T16:27:24Z → 1902-12-07T17:56:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:42–12:30 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13240 s" }, { "step": "ruling", "text": "Mitra Saptamī, Bamako, 1902: Sunday 7 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-07", "confidence": "determinate" } ], "quote": "In Bamako, Mitra Saptamī 1902 falls on Sunday 7 December. Saptamī runs from 16:10 on Sat 6 Dec to 17:40 on Sun 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/ekadashi?on=1902-12-11", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34853, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-12-10T17:44:37-00:16", "utc": "1902-12-10T18:00:37Z", "ms": -2116216763079.9165 }, "end": { "local": "1902-12-11T16:07:59-00:16", "utc": "1902-12-11T16:23:59Z", "ms": -2116136161483.1394 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-10T17:44:37-00:16", "utc": "1902-12-10T18:00:37Z", "ms": -2116216763079.9165 }, "end": { "local": "1902-12-11T16:07:59-00:16", "utc": "1902-12-11T16:23:59Z", "ms": -2116136161483.1394 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-12-10", "window": { "start": { "local": "1902-12-10T06:26:32-00:16", "utc": "1902-12-10T06:42:32Z", "ms": -2116257447672.7407 }, "end": { "local": "1902-12-10T06:26:32-00:16", "utc": "1902-12-10T06:42:32Z", "ms": -2116257447672.7407 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-12-11", "window": { "start": { "local": "1902-12-11T06:27:05-00:16", "utc": "1902-12-11T06:43:05Z", "ms": -2116171014812.1042 }, "end": { "local": "1902-12-11T06:27:05-00:16", "utc": "1902-12-11T06:43:05Z", "ms": -2116171014812.1042 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:44 on Wed 10 Dec to 16:07 on Thu 11 Dec.", "fact": "1902-12-10T18:00:37Z → 1902-12-11T16:23:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 10th and 06:26 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34853 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Bamako, 1902: Thursday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-11", "confidence": "determinate" } ], "quote": "In Bamako, Mokṣadā Ekādaśī 1902 falls on Thursday 11 December. Ekādaśī runs from 17:44 on Wed 10 Dec to 16:07 on Thu 11 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4375, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1902-12-11T16:07:59-00:16", "utc": "1902-12-11T16:23:59Z", "ms": -2116136161483.1394 }, "end": { "local": "1902-12-12T13:46:19-00:16", "utc": "1902-12-12T14:02:19Z", "ms": -2116058260929.1868 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-11T16:07:59-00:16", "utc": "1902-12-11T16:23:59Z", "ms": -2116136161483.1394 }, "end": { "local": "1902-12-12T13:46:19-00:16", "utc": "1902-12-12T14:02:19Z", "ms": -2116058260929.1868 } }, "kaala": "madhyahna", "days": [ { "local_date": "1902-12-11", "window": { "start": { "local": "1902-12-11T11:44:56-00:16", "utc": "1902-12-11T12:00:56Z", "ms": -2116151943773.0757 }, "end": { "local": "1902-12-11T12:32:56-00:16", "utc": "1902-12-11T12:48:56Z", "ms": -2116149063773.0757 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1902-12-12", "window": { "start": { "local": "1902-12-12T11:45:24-00:16", "utc": "1902-12-12T12:01:24Z", "ms": -2116065516075.4912 }, "end": { "local": "1902-12-12T12:33:24-00:16", "utc": "1902-12-12T12:49:24Z", "ms": -2116062636075.4912 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:07 on Thu 11 Dec to 13:45 on Fri 12 Dec.", "fact": "1902-12-11T16:23:59Z → 1902-12-12T14:02:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 11th, 11:44–12:32 on the 12th.", "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 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4375 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Bamako, 1902: Friday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-12", "confidence": "determinate" } ], "quote": "In Bamako, Akhaṇḍa Dvādaśī 1902 falls on Friday 12 December. Dvādaśī runs from 16:07 on Thu 11 Dec to 13:45 on Fri 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/pradosha-vrata?on=1902-12-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14691, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-12-12T13:46:19-00:16", "utc": "1902-12-12T14:02:19Z", "ms": -2116058260929.1868 }, "end": { "local": "1902-12-13T10:46:40-00:16", "utc": "1902-12-13T11:02:40Z", "ms": -2115982639793.83 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-12T13:46:19-00:16", "utc": "1902-12-12T14:02:19Z", "ms": -2116058260929.1868 }, "end": { "local": "1902-12-13T10:46:40-00:16", "utc": "1902-12-13T11:02:40Z", "ms": -2115982639793.83 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-12-12", "window": { "start": { "local": "1902-12-12T17:51:10-00:16", "utc": "1902-12-12T18:07:10Z", "ms": -2116043570127.7654 }, "end": { "local": "1902-12-12T19:32:06-00:16", "utc": "1902-12-12T19:48:06Z", "ms": -2116037514022.4023 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1902-12-13", "window": { "start": { "local": "1902-12-13T17:51:33-00:16", "utc": "1902-12-13T18:07:33Z", "ms": -2115957146703.0557 }, "end": { "local": "1902-12-13T19:32:31-00:16", "utc": "1902-12-13T19:48:31Z", "ms": -2115951089380.7341 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:45 on Fri 12 Dec to 10:46 on Sat 13 Dec.", "fact": "1902-12-12T14:02:19Z → 1902-12-13T11:02:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:31 on the 12th, 17:51–19:32 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 12th and 0 of 101 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14691 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1902: Friday 12 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1902-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-12", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1902 falls on Friday 12 December. Trayodaśī runs from 13:45 on Fri 12 Dec to 10:46 on Sat 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28706, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1902-12-14T07:18:10-00:16", "utc": "1902-12-14T07:34:10Z", "ms": -2115908749681.2861 }, "end": { "local": "1902-12-15T03:31:22-00:16", "utc": "1902-12-15T03:47:22Z", "ms": -2115835958005.1643 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-14T07:18:10-00:16", "utc": "1902-12-14T07:34:10Z", "ms": -2115908749681.2861 }, "end": { "local": "1902-12-15T03:31:22-00:16", "utc": "1902-12-15T03:47:22Z", "ms": -2115835958005.1643 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-12-13", "window": { "start": { "local": "1902-12-13T17:51:33-00:16", "utc": "1902-12-13T18:07:33Z", "ms": -2115957146703.0557 }, "end": { "local": "1902-12-13T19:32:31-00:16", "utc": "1902-12-13T19:48:31Z", "ms": -2115951089380.7341 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1902-12-14", "window": { "start": { "local": "1902-12-14T17:51:58-00:16", "utc": "1902-12-14T18:07:58Z", "ms": -2115870722482.3508 }, "end": { "local": "1902-12-14T19:32:56-00:16", "utc": "1902-12-14T19:48:56Z", "ms": -2115864664071.0269 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:17 on Sun 14 Dec to 03:30 on Mon 15 Dec.", "fact": "1902-12-14T07:34:10Z → 1902-12-15T03:47:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:32 on the 13th, 17:51–19:32 on the 14th.", "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 13th and 101 of 101 on the 14th.", "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 28706 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Bamako, 1902: Sunday 14 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": "1902-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-14", "confidence": "determinate" } ], "quote": "In Bamako, Dattātreyotpatti (Datta Jayanti) 1902 falls on Sunday 14 December. Pūrṇimā runs from 07:17 on Sun 14 Dec to 03:30 on Mon 15 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/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/1902/sankashta-chaturthi?on=1902-12-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15945, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1902-12-17T16:15:32-00:16", "utc": "1902-12-17T16:31:32Z", "ms": -2115617307801.3093 }, "end": { "local": "1902-12-18T13:09:26-00:16", "utc": "1902-12-18T13:25:26Z", "ms": -2115542074355.1636 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-17T16:15:32-00:16", "utc": "1902-12-17T16:31:32Z", "ms": -2115617307801.3093 }, "end": { "local": "1902-12-18T13:09:26-00:16", "utc": "1902-12-18T13:25:26Z", "ms": -2115542074355.1636 } }, "kaala": "moonrise", "days": [ { "local_date": "1902-12-17", "window": { "start": { "local": "1902-12-17T20:41:18-00:16", "utc": "1902-12-17T20:57:18Z", "ms": -2115601362425.6301 }, "end": { "local": "1902-12-17T20:41:18-00:16", "utc": "1902-12-17T20:57:18Z", "ms": -2115601362425.6301 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1902-12-18", "window": { "start": { "local": "1902-12-18T21:41:15-00:16", "utc": "1902-12-18T21:57:15Z", "ms": -2115511364599.3862 }, "end": { "local": "1902-12-18T21:41:15-00:16", "utc": "1902-12-18T21:57:15Z", "ms": -2115511364599.3862 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:15 on Wed 17 Dec to 13:08 on Thu 18 Dec.", "fact": "1902-12-17T16:31:32Z → 1902-12-18T13:25:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:40 on the 17th and 21:40 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 17th and is not on the 18th.", "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 15945 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1902: Wednesday 17 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": "1902-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-17", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1902 falls on Wednesday 17 December. Caturthī runs from 16:15 on Wed 17 Dec to 13:08 on Thu 18 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/sankashta-chaturthi?on=1902-12-17", "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/1902/ekadashi?on=1902-12-25", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11076, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1902-12-24T09:38:31-00:16", "utc": "1902-12-24T09:54:31Z", "ms": -2115036329136.086 }, "end": { "local": "1902-12-25T11:26:42-00:16", "utc": "1902-12-25T11:42:42Z", "ms": -2114943437655.1863 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-24T09:38:31-00:16", "utc": "1902-12-24T09:54:31Z", "ms": -2115036329136.086 }, "end": { "local": "1902-12-25T11:26:42-00:16", "utc": "1902-12-25T11:42:42Z", "ms": -2114943437655.1863 } }, "kaala": "sunrise", "days": [ { "local_date": "1902-12-24", "window": { "start": { "local": "1902-12-24T06:33:55-00:16", "utc": "1902-12-24T06:49:55Z", "ms": -2115047405375.0237 }, "end": { "local": "1902-12-24T06:33:55-00:16", "utc": "1902-12-24T06:49:55Z", "ms": -2115047405375.0237 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1902-12-25", "window": { "start": { "local": "1902-12-25T06:34:24-00:16", "utc": "1902-12-25T06:50:24Z", "ms": -2114960976372.3276 }, "end": { "local": "1902-12-25T06:34:24-00:16", "utc": "1902-12-25T06:50:24Z", "ms": -2114960976372.3276 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:38 on Wed 24 Dec to 11:26 on Thu 25 Dec.", "fact": "1902-12-24T09:54:31Z → 1902-12-25T11:42:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 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 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 11076 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Bamako, 1902: Thursday 25 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": "1902-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-25", "confidence": "determinate" } ], "quote": "In Bamako, Saphalā Ekādaśī 1902 falls on Thursday 25 December. Ekādaśī runs from 09:38 on Wed 24 Dec to 11:26 on Thu 25 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1902/ekadashi?on=1902-12-25", "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/1902/pradosha-vrata?on=1902-12-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6947, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1902-12-26T13:37:30-00:16", "utc": "1902-12-26T13:53:30Z", "ms": -2114849190466.2175 }, "end": { "local": "1902-12-27T16:02:26-00:16", "utc": "1902-12-27T16:18:26Z", "ms": -2114754093721.9185 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-26T13:37:30-00:16", "utc": "1902-12-26T13:53:30Z", "ms": -2114849190466.2175 }, "end": { "local": "1902-12-27T16:02:26-00:16", "utc": "1902-12-27T16:18:26Z", "ms": -2114754093721.9185 } }, "kaala": "pradosha", "days": [ { "local_date": "1902-12-26", "window": { "start": { "local": "1902-12-26T17:57:41-00:16", "utc": "1902-12-26T18:13:41Z", "ms": -2114833579210.5063 }, "end": { "local": "1902-12-26T19:38:42-00:16", "utc": "1902-12-26T19:54:42Z", "ms": -2114827517981.495 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1902-12-27", "window": { "start": { "local": "1902-12-27T17:58:13-00:16", "utc": "1902-12-27T18:14:13Z", "ms": -2114747147186.7852 }, "end": { "local": "1902-12-27T19:39:13-00:16", "utc": "1902-12-27T19:55:13Z", "ms": -2114741086586.9229 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:36 on Fri 26 Dec to 16:01 on Sat 27 Dec.", "fact": "1902-12-26T13:53:30Z → 1902-12-27T16:18:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:38 on the 26th, 17:57–19:38 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 101 of 101 minutes on the 26th and 0 of 101 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 6947 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1902: Friday 26 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": "1902-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-26", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1902 falls on Friday 26 December. Trayodaśī runs from 13:36 on Fri 26 Dec to 16:01 on Sat 27 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1902/pradosha-vrata?on=1902-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1902/shivaratri?on=1902-12-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1902, "local_date": "1902-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19134, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1902-12-27T16:02:26-00:16", "utc": "1902-12-27T16:18:26Z", "ms": -2114754093721.9185 }, "end": { "local": "1902-12-28T18:34:36-00:16", "utc": "1902-12-28T18:50:36Z", "ms": -2114658563936.7175 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1902-12-27T16:02:26-00:16", "utc": "1902-12-27T16:18:26Z", "ms": -2114754093721.9185 }, "end": { "local": "1902-12-28T18:34:36-00:16", "utc": "1902-12-28T18:50:36Z", "ms": -2114658563936.7175 } }, "kaala": "nishita", "days": [ { "local_date": "1902-12-27", "window": { "start": { "local": "1902-12-27T23:53:00-00:16", "utc": "1902-12-28T00:09:00Z", "ms": -2114725859937.3013 }, "end": { "local": "1902-12-28T00:41:00-00:16", "utc": "1902-12-28T00:57:00Z", "ms": -2114722979937.3013 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1902-12-28", "window": { "start": { "local": "1902-12-28T23:53:30-00:16", "utc": "1902-12-29T00:09:30Z", "ms": -2114639430414.3252 }, "end": { "local": "1902-12-29T00:41:30-00:16", "utc": "1902-12-29T00:57:30Z", "ms": -2114636550414.3252 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:01 on Sat 27 Dec to 18:34 on Sun 28 Dec.", "fact": "1902-12-27T16:18:26Z → 1902-12-28T18:50:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 27th, 23:52–00:40 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 19134 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1902: Saturday 27 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": "1902-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1902-12-27", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1902 falls on Saturday 27 December. Caturdaśī runs from 16:01 on Sat 27 Dec to 18:34 on Sun 28 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1902/shivaratri?on=1902-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }