{ "id": "/bamako/festivals/1966", "place": { "id": "2460596", "slug": "bamako", "name": "Bamako", "region": "Mali", "country": "ML", "lat": 12.60915, "lon": -7.97522, "elevation_m": 374, "tz": "Africa/Bamako" }, "year": 1966, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/bamako/festivals/1966/ekadashi?on=1966-01-03", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29009, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-01-02T15:37:55+00:00", "utc": "1966-01-02T15:37:55Z", "ms": -126087724946.94543 }, "end": { "local": "1966-01-03T14:57:53+00:00", "utc": "1966-01-03T14:57:53Z", "ms": -126003727278.65991 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-01-02T15:37:55+00:00", "utc": "1966-01-02T15:37:55Z", "ms": -126087724946.94543 }, "end": { "local": "1966-01-03T14:57:53+00:00", "utc": "1966-01-03T14:57:53Z", "ms": -126003727278.65991 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-01-02", "window": { "start": { "local": "1966-01-02T06:54:01+00:00", "utc": "1966-01-02T06:54:01Z", "ms": -126119158500.1645 }, "end": { "local": "1966-01-02T06:54:01+00:00", "utc": "1966-01-02T06:54:01Z", "ms": -126119158500.1645 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-01-03", "window": { "start": { "local": "1966-01-03T06:54:24+00:00", "utc": "1966-01-03T06:54:24Z", "ms": -126032736240.7165 }, "end": { "local": "1966-01-03T06:54:24+00:00", "utc": "1966-01-03T06:54:24Z", "ms": -126032736240.7165 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:38 on Sun 2 Jan to 14:58 on Mon 3 Jan.", "fact": "1966-01-02T15:37:55Z → 1966-01-03T14:57:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 2nd and 06:54 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29009 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1966: Monday 3 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": "1966-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-03", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1966 falls on Monday 3 January. Ekādaśī runs from 15:38 on Sun 2 Jan to 14:58 on Mon 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-01-03", "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/1966/pradosha-vrata?on=1966-01-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17364, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-01-04T13:29:30+00:00", "utc": "1966-01-04T13:29:30Z", "ms": -125922629568.69852 }, "end": { "local": "1966-01-05T11:17:46+00:00", "utc": "1966-01-05T11:17:46Z", "ms": -125844133894.35042 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-01-04T13:29:30+00:00", "utc": "1966-01-04T13:29:30Z", "ms": -125922629568.69852 }, "end": { "local": "1966-01-05T11:17:46+00:00", "utc": "1966-01-05T11:17:46Z", "ms": -125844133894.35042 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-04", "window": { "start": { "local": "1966-01-04T18:18:54+00:00", "utc": "1966-01-04T18:18:54Z", "ms": -125905265968.55296 }, "end": { "local": "1966-01-04T19:59:44+00:00", "utc": "1966-01-04T19:59:44Z", "ms": -125899216411.10158 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1966-01-05", "window": { "start": { "local": "1966-01-05T18:19:28+00:00", "utc": "1966-01-05T18:19:28Z", "ms": -125818832287.89503 }, "end": { "local": "1966-01-05T20:00:15+00:00", "utc": "1966-01-05T20:00:15Z", "ms": -125812784600.79938 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:30 on Tue 4 Jan to 11:18 on Wed 5 Jan.", "fact": "1966-01-04T13:29:30Z → 1966-01-05T11:17:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:00 on the 4th, 18:19–20:00 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 101 of 101 minutes on the 4th and 0 of 101 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 17364 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Tuesday 4 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": "1966-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-04", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Tuesday 4 January. Trayodaśī runs from 13:30 on Tue 4 Jan to 11:18 on Wed 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-01-04", "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/1966/sankashta-chaturthi?on=1966-01-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8713, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-09T18:39:24+00:00", "utc": "1966-01-09T18:39:24Z", "ms": -125472036081.49301 }, "end": { "local": "1966-01-10T15:24:17+00:00", "utc": "1966-01-10T15:24:17Z", "ms": -125397342797.75803 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-09T18:39:24+00:00", "utc": "1966-01-09T18:39:24Z", "ms": -125472036081.49301 }, "end": { "local": "1966-01-10T15:24:17+00:00", "utc": "1966-01-10T15:24:17Z", "ms": -125397342797.75803 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-01-09", "window": { "start": { "local": "1966-01-09T21:04:37+00:00", "utc": "1966-01-09T21:04:37Z", "ms": -125463323146.1523 }, "end": { "local": "1966-01-09T21:04:37+00:00", "utc": "1966-01-09T21:04:37Z", "ms": -125463323146.1523 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-01-10", "window": { "start": { "local": "1966-01-10T22:05:04+00:00", "utc": "1966-01-10T22:05:04Z", "ms": -125373295546.18428 }, "end": { "local": "1966-01-10T22:05:04+00:00", "utc": "1966-01-10T22:05:04Z", "ms": -125373295546.18428 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:39 on Sun 9 Jan to 15:24 on Mon 10 Jan.", "fact": "1966-01-09T18:39:24Z → 1966-01-10T15:24:17Z" }, { "step": "kaala", "text": "Moonrise is at 21:05 on the 9th and 22:05 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8713 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Sunday 9 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": "1966-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-09", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Sunday 9 January. Caturthī runs from 18:39 on Sun 9 Jan to 15:24 on Mon 10 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T13:18:56+00:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-13", "window": { "start": { "local": "1966-01-12T18:23:22+00:00", "utc": "1966-01-12T18:23:22Z", "ms": -125213798095.8644 }, "end": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 }, "end": { "local": "1966-01-14T18:24:28+00:00", "utc": "1966-01-14T18:24:28Z", "ms": -125040932489.9673 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1966-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · 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 18:24, and the day of the 14th ends at 18:24.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21232 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Bamako, 1966: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-13", "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": "1966-01-12", "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 1966 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 00:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T13:18:56+00:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-13", "window": { "start": { "local": "1966-01-12T18:23:22+00:00", "utc": "1966-01-12T18:23:22Z", "ms": -125213798095.8644 }, "end": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 }, "end": { "local": "1966-01-14T18:24:28+00:00", "utc": "1966-01-14T18:24:28Z", "ms": -125040932489.9673 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · 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 18:24, and the day of the 14th ends at 18:24.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21232 s" }, { "step": "ruling", "text": "Pongal, Bamako, 1966: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-14", "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": "1966-01-13", "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 1966 falls on Friday 14 January. The Sun enters Makara at 00:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1067, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T13:18:56+00:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "civil-day", "days": [ { "local_date": "1966-01-13", "window": { "start": { "local": "1966-01-13T00:00:00+00:00", "utc": "1966-01-13T00:00:00Z", "ms": -125193600000 }, "end": { "local": "1966-01-14T00:00:00+00:00", "utc": "1966-01-14T00:00:00Z", "ms": -125107200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-14T00:00:00+00:00", "utc": "1966-01-14T00:00:00Z", "ms": -125107200000 }, "end": { "local": "1966-01-15T00:00:00+00:00", "utc": "1966-01-15T00:00:00Z", "ms": -125020800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Bamako.", "fact": "civil-day: midnight-to-midnight · Africa/Bamako" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 1067 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Bamako, 1966: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1966-01-13", "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": "1966-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Bamako, Makara Saṅkrānti 1966 falls on Friday 14 January. The Sun enters Makara at 00:18 on Fri 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21232, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T13:18:56+00:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T00:17:47+00:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-13", "window": { "start": { "local": "1966-01-12T18:23:22+00:00", "utc": "1966-01-12T18:23:22Z", "ms": -125213798095.8644 }, "end": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T18:23:55+00:00", "utc": "1966-01-13T18:23:55Z", "ms": -125127365184.09651 }, "end": { "local": "1966-01-14T18:24:28+00:00", "utc": "1966-01-14T18:24:28Z", "ms": -125040932489.9673 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1966-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 00:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · 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 18:24, and the day of the 14th ends at 18:24.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21232 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Bamako, 1966: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1966-01-14", "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 1966 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 00:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-01-17", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2166, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-01-16T07:33:55+00:00", "utc": "1966-01-16T07:33:55Z", "ms": -124907164699.964 }, "end": { "local": "1966-01-17T08:26:14+00:00", "utc": "1966-01-17T08:26:14Z", "ms": -124817625677.35483 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-16T07:33:55+00:00", "utc": "1966-01-16T07:33:55Z", "ms": -124907164699.964 }, "end": { "local": "1966-01-17T08:26:14+00:00", "utc": "1966-01-17T08:26:14Z", "ms": -124817625677.35483 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-01-16", "window": { "start": { "local": "1966-01-16T06:57:50+00:00", "utc": "1966-01-16T06:57:50Z", "ms": -124909330334.81125 }, "end": { "local": "1966-01-16T06:57:50+00:00", "utc": "1966-01-16T06:57:50Z", "ms": -124909330334.81125 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-01-17", "window": { "start": { "local": "1966-01-17T06:57:59+00:00", "utc": "1966-01-17T06:57:59Z", "ms": -124822921429.9738 }, "end": { "local": "1966-01-17T06:57:59+00:00", "utc": "1966-01-17T06:57:59Z", "ms": -124822921429.9738 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:34 on Sun 16 Jan to 08:26 on Mon 17 Jan.", "fact": "1966-01-16T07:33:55Z → 1966-01-17T08:26:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 16th and 06:58 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2166 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Bamako, 1966: Monday 17 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": "1966-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-17", "confidence": "determinate" } ], "quote": "In Bamako, Ṣaṭtilā Ekādaśī 1966 falls on Monday 17 January. Ekādaśī runs from 07:34 on Sun 16 Jan to 08:26 on Mon 17 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-01-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25026, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-01-18T09:46:46+00:00", "utc": "1966-01-18T09:46:46Z", "ms": -124726393935.24532 }, "end": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-18T09:46:46+00:00", "utc": "1966-01-18T09:46:46Z", "ms": -124726393935.24532 }, "end": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-18", "window": { "start": { "local": "1966-01-18T18:26:36+00:00", "utc": "1966-01-18T18:26:36Z", "ms": -124695204454.40701 }, "end": { "local": "1966-01-18T20:06:49+00:00", "utc": "1966-01-18T20:06:49Z", "ms": -124689191433.74614 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1966-01-19", "window": { "start": { "local": "1966-01-19T18:27:07+00:00", "utc": "1966-01-19T18:27:07Z", "ms": -124608773269.5146 }, "end": { "local": "1966-01-19T20:07:16+00:00", "utc": "1966-01-19T20:07:16Z", "ms": -124602763646.22978 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:47 on Tue 18 Jan to 11:30 on Wed 19 Jan.", "fact": "1966-01-18T09:46:46Z → 1966-01-19T11:30:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:07 on the 18th, 18:27–20:07 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 100 of 100 minutes on the 18th and 0 of 100 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 25026 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Tuesday 18 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": "1966-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-18", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Tuesday 18 January. Trayodaśī runs from 09:47 on Tue 18 Jan to 11:30 on Wed 19 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-01-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shivaratri?on=1966-01-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37417, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T13:31:09+00:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T13:31:09+00:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 } }, "kaala": "nishita", "days": [ { "local_date": "1966-01-18", "window": { "start": { "local": "1966-01-19T00:18:24+00:00", "utc": "1966-01-19T00:18:24Z", "ms": -124674095626.92874 }, "end": { "local": "1966-01-19T01:06:24+00:00", "utc": "1966-01-19T01:06:24Z", "ms": -124671215626.92874 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-01-19", "window": { "start": { "local": "1966-01-20T00:18:43+00:00", "utc": "1966-01-20T00:18:43Z", "ms": -124587677182.19653 }, "end": { "local": "1966-01-20T01:06:43+00:00", "utc": "1966-01-20T01:06:43Z", "ms": -124584797182.19653 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:30 on Wed 19 Jan to 13:31 on Thu 20 Jan.", "fact": "1966-01-19T11:30:01Z → 1966-01-20T13:31:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 18th, 00:19–01:07 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37417 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Wednesday 19 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": "1966-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-19", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Wednesday 19 January. Caturdaśī runs from 11:30 on Wed 19 Jan to 13:31 on Thu 20 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-01-19", "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/1966/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16308, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T13:31:09+00:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-19T11:30:01+00:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T13:31:09+00:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-01-19", "window": { "start": { "local": "1966-01-19T05:18:00+00:00", "utc": "1966-01-19T05:18:00Z", "ms": -124656119820.11134 }, "end": { "local": "1966-01-19T06:58:13+00:00", "utc": "1966-01-19T06:58:13Z", "ms": -124650106799.45047 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1966-01-20", "window": { "start": { "local": "1966-01-20T05:18:09+00:00", "utc": "1966-01-20T05:18:09Z", "ms": -124569710718.16327 }, "end": { "local": "1966-01-20T06:58:19+00:00", "utc": "1966-01-20T06:58:19Z", "ms": -124563701094.87845 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:30 on Wed 19 Jan to 13:31 on Thu 20 Jan.", "fact": "1966-01-19T11:30:01Z → 1966-01-20T13:31:09Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:18–06:58 on the 19th, 05:18–06:58 on the 20th.", "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 100 minutes on the 19th and 100 of 100 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16308 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Bamako, 1966: Thursday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-20", "confidence": "determinate" } ], "quote": "In Bamako, Yama Tarpaṇa 1966 falls on Thursday 20 January. Caturdaśī runs from 11:30 on Wed 19 Jan to 13:31 on Thu 20 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36601, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-24T23:18:04+00:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-24T23:18:04+00:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-24", "window": { "start": { "local": "1966-01-24T12:20:04+00:00", "utc": "1966-01-24T12:20:04Z", "ms": -124198796389.88641 }, "end": { "local": "1966-01-24T13:08:04+00:00", "utc": "1966-01-24T13:08:04Z", "ms": -124195916389.88641 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-01-25", "window": { "start": { "local": "1966-01-25T12:20:18+00:00", "utc": "1966-01-25T12:20:18Z", "ms": -124112382016.43619 }, "end": { "local": "1966-01-25T13:08:18+00:00", "utc": "1966-01-25T13:08:18Z", "ms": -124109502016.43619 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:18 on Mon 24 Jan to 01:48 on Wed 26 Jan.", "fact": "1966-01-24T23:18:04Z → 1966-01-26T01:48:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 24th, 12:20–13:08 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36601 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Bamako, 1966: Tuesday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-25", "confidence": "determinate" } ], "quote": "In Bamako, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1966 falls on Tuesday 25 January. Caturthī runs from 23:18 on Mon 24 Jan to 01:48 on Wed 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11316, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-24T23:18:04+00:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-24T23:18:04+00:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-24", "window": { "start": { "local": "1966-01-24T18:29:36+00:00", "utc": "1966-01-24T18:29:36Z", "ms": -124176623571.12392 }, "end": { "local": "1966-01-24T20:09:28+00:00", "utc": "1966-01-24T20:09:28Z", "ms": -124170632294.7938 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1966-01-25", "window": { "start": { "local": "1966-01-25T18:30:05+00:00", "utc": "1966-01-25T18:30:05Z", "ms": -124090195034.22441 }, "end": { "local": "1966-01-25T20:09:52+00:00", "utc": "1966-01-25T20:09:52Z", "ms": -124084207682.94934 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:18 on Mon 24 Jan to 01:48 on Wed 26 Jan.", "fact": "1966-01-24T23:18:04Z → 1966-01-26T01:48:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:09 on the 24th, 18:30–20:10 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 100 minutes on the 24th and 100 of 100 on the 25th.", "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 11316 s" }, { "step": "ruling", "text": "Tila Caturthī, Bamako, 1966: Tuesday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-25", "confidence": "determinate" } ], "quote": "In Bamako, Tila Caturthī 1966 falls on Tuesday 25 January. Caturthī runs from 23:18 on Mon 24 Jan to 01:48 on Wed 26 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29717, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T04:05:27+00:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T04:05:27+00:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T12:20:32+00:00", "utc": "1966-01-26T12:20:32Z", "ms": -124025968455.30536 }, "end": { "local": "1966-01-26T13:08:32+00:00", "utc": "1966-01-26T13:08:32Z", "ms": -124023088455.30536 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-27", "window": { "start": { "local": "1966-01-27T12:20:44+00:00", "utc": "1966-01-27T12:20:44Z", "ms": -123939555715.14114 }, "end": { "local": "1966-01-27T13:08:44+00:00", "utc": "1966-01-27T13:08:44Z", "ms": -123936675715.14114 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:48 on Wed 26 Jan to 04:05 on Thu 27 Jan.", "fact": "1966-01-26T01:48:05Z → 1966-01-27T04:05:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 26th, 12:21–13:09 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 29717 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Bamako, 1966: Wednesday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-26", "confidence": "determinate" } ], "quote": "In Bamako, Śrī Pañcamī 1966 falls on Wednesday 26 January. Pañcamī runs from 01:48 on Wed 26 Jan to 04:05 on Thu 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29717, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T04:05:27+00:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-26T01:48:05+00:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T04:05:27+00:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T12:20:32+00:00", "utc": "1966-01-26T12:20:32Z", "ms": -124025968455.30536 }, "end": { "local": "1966-01-26T13:08:32+00:00", "utc": "1966-01-26T13:08:32Z", "ms": -124023088455.30536 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-27", "window": { "start": { "local": "1966-01-27T12:20:44+00:00", "utc": "1966-01-27T12:20:44Z", "ms": -123939555715.14114 }, "end": { "local": "1966-01-27T13:08:44+00:00", "utc": "1966-01-27T13:08:44Z", "ms": -123936675715.14114 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:48 on Wed 26 Jan to 04:05 on Thu 27 Jan.", "fact": "1966-01-26T01:48:05Z → 1966-01-27T04:05:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 26th, 12:21–13:09 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 29717 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Bamako, 1966: Wednesday 26 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-26", "confidence": "determinate" } ], "quote": "In Bamako, Vasanta Pañcamī 1966 falls on Wednesday 26 January. Pañcamī runs from 01:48 on Wed 26 Jan to 04:05 on Thu 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-01-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1442, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-01-28T06:00:17+00:00", "utc": "1966-01-28T06:00:17Z", "ms": -123875982509.47498 }, "end": { "local": "1966-01-29T07:22:23+00:00", "utc": "1966-01-29T07:22:23Z", "ms": -123784657133.81366 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-28T06:00:17+00:00", "utc": "1966-01-28T06:00:17Z", "ms": -123875982509.47498 }, "end": { "local": "1966-01-29T07:22:23+00:00", "utc": "1966-01-29T07:22:23Z", "ms": -123784657133.81366 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-01-28", "window": { "start": { "local": "1966-01-28T05:18:46+00:00", "utc": "1966-01-28T05:18:46Z", "ms": -123878474299.7913 }, "end": { "local": "1966-01-28T06:58:25+00:00", "utc": "1966-01-28T06:58:25Z", "ms": -123872495035.44716 } }, "covered_min": 58, "window_min": 100, "qualifies": true }, { "local_date": "1966-01-29", "window": { "start": { "local": "1966-01-29T05:18:46+00:00", "utc": "1966-01-29T05:18:46Z", "ms": -123792074373.88669 }, "end": { "local": "1966-01-29T06:58:21+00:00", "utc": "1966-01-29T06:58:21Z", "ms": -123786099266.6968 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:00 on Fri 28 Jan to 07:22 on Sat 29 Jan.", "fact": "1966-01-28T06:00:17Z → 1966-01-29T07:22:23Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:19–06:58 on the 28th, 05:19–06:58 on the 29th.", "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 58 of 100 minutes on the 28th and 100 of 100 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1442 s" }, { "step": "ruling", "text": "Ratha Saptamī, Bamako, 1966: Saturday 29 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-29", "confidence": "boundary" } ], "quote": "In Bamako, Ratha Saptamī 1966 falls on Saturday 29 January. Saptamī runs from 06:00 on Fri 28 Jan to 07:22 on Sat 29 Jan and covers all of aruṇodaya that dawn. It also reaches the previous dawn for 58 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/1966/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/1966/ekadashi?on=1966-02-01", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 96, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-02-01T06:56:25+00:00", "utc": "1966-02-01T06:56:25Z", "ms": -123527014586.15225 }, "end": { "local": "1966-02-02T05:08:30+00:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-01T06:56:25+00:00", "utc": "1966-02-01T06:56:25Z", "ms": -123527014586.15225 }, "end": { "local": "1966-02-02T05:08:30+00:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-02-01", "window": { "start": { "local": "1966-02-01T06:58:01+00:00", "utc": "1966-02-01T06:58:01Z", "ms": -123526918558.66527 }, "end": { "local": "1966-02-01T06:58:01+00:00", "utc": "1966-02-01T06:58:01Z", "ms": -123526918558.66527 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-02-02", "window": { "start": { "local": "1966-02-02T06:57:53+00:00", "utc": "1966-02-02T06:57:53Z", "ms": -123440527163.16902 }, "end": { "local": "1966-02-02T06:57:53+00:00", "utc": "1966-02-02T06:57:53Z", "ms": -123440527163.16902 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:56 on Tue 1 Feb to 05:08 on Wed 2 Feb.", "fact": "1966-02-01T06:56:25Z → 1966-02-02T05:08:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 1st and 06:58 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 96 s < 300 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Bamako, 1966: Tuesday 1 February.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-01", "confidence": "boundary" } ], "quote": "In Bamako, Jayā Ekādaśī 1966 falls on Tuesday 1 February. Ekādaśī runs from 06:56 on Tue 1 Feb to 05:08 on Wed 2 Feb and is current at sunrise that day. It is 1 min 36 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-02-01", "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/1966/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25994, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-02-02T05:08:30+00:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "end": { "local": "1966-02-03T02:36:00+00:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-02T05:08:30+00:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "end": { "local": "1966-02-03T02:36:00+00:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-02", "window": { "start": { "local": "1966-02-02T12:21:43+00:00", "utc": "1966-02-02T12:21:43Z", "ms": -123421096795.29868 }, "end": { "local": "1966-02-02T13:09:43+00:00", "utc": "1966-02-02T13:09:43Z", "ms": -123418216795.29868 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-02-03", "window": { "start": { "local": "1966-02-03T12:21:50+00:00", "utc": "1966-02-03T12:21:50Z", "ms": -123334689905.00568 }, "end": { "local": "1966-02-03T13:09:50+00:00", "utc": "1966-02-03T13:09:50Z", "ms": -123331809905.00568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:08 on Wed 2 Feb to 02:36 on Thu 3 Feb.", "fact": "1966-02-02T05:08:30Z → 1966-02-03T02:36:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 2nd, 12:22–13:10 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25994 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Bamako, 1966: Wednesday 2 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": "1966-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-02", "confidence": "determinate" } ], "quote": "In Bamako, Bhīṣma Dvādaśī 1966 falls on Wednesday 2 February. Dvādaśī runs from 05:08 on Wed 2 Feb to 02:36 on Thu 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-02-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11615, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-02-03T02:36:00+00:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "end": { "local": "1966-02-03T23:26:41+00:00", "utc": "1966-02-03T23:26:41Z", "ms": -123294798941.57837 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-03T02:36:00+00:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "end": { "local": "1966-02-03T23:26:41+00:00", "utc": "1966-02-03T23:26:41Z", "ms": -123294798941.57837 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-02-02", "window": { "start": { "local": "1966-02-02T18:33:34+00:00", "utc": "1966-02-02T18:33:34Z", "ms": -123398786427.42831 }, "end": { "local": "1966-02-02T20:12:47+00:00", "utc": "1966-02-02T20:12:47Z", "ms": -123392833148.71675 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1966-02-03", "window": { "start": { "local": "1966-02-03T18:33:57+00:00", "utc": "1966-02-03T18:33:57Z", "ms": -123312362972.91977 }, "end": { "local": "1966-02-03T20:13:06+00:00", "utc": "1966-02-03T20:13:06Z", "ms": -123306414252.14743 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:36 on Thu 3 Feb to 23:27 on Thu 3 Feb.", "fact": "1966-02-03T02:36:00Z → 1966-02-03T23:26:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:13 on the 2nd, 18:34–20:13 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 99 minutes on the 2nd and 99 of 99 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 11615 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Thursday 3 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": "1966-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-03", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Thursday 3 February. Trayodaśī runs from 02:36 on Thu 3 Feb to 23:27 on Thu 3 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-02-03", "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/1966/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10071, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-02-04T19:50:17+00:00", "utc": "1966-02-04T19:50:17Z", "ms": -123221382668.32918 }, "end": { "local": "1966-02-05T15:57:53+00:00", "utc": "1966-02-05T15:57:53Z", "ms": -123148927268.66998 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-04T19:50:17+00:00", "utc": "1966-02-04T19:50:17Z", "ms": -123221382668.32918 }, "end": { "local": "1966-02-05T15:57:53+00:00", "utc": "1966-02-05T15:57:53Z", "ms": -123148927268.66998 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-04", "window": { "start": { "local": "1966-02-04T12:21:56+00:00", "utc": "1966-02-04T12:21:56Z", "ms": -123248283842.69583 }, "end": { "local": "1966-02-04T13:09:56+00:00", "utc": "1966-02-04T13:09:56Z", "ms": -123245403842.69583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-02-05", "window": { "start": { "local": "1966-02-05T12:22:01+00:00", "utc": "1966-02-05T12:22:01Z", "ms": -123161878600.53006 }, "end": { "local": "1966-02-05T13:10:01+00:00", "utc": "1966-02-05T13:10:01Z", "ms": -123158998600.53006 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:50 on Fri 4 Feb to 15:58 on Sat 5 Feb.", "fact": "1966-02-04T19:50:17Z → 1966-02-05T15:57:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 4th, 12:22–13:10 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10071 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Bamako, 1966: Saturday 5 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": "1966-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-05", "confidence": "determinate" } ], "quote": "In Bamako, Māghī Pūrṇimā 1966 falls on Saturday 5 February. Pūrṇimā runs from 19:50 on Fri 4 Feb to 15:58 on Sat 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-02-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14226, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-02-08T04:42:09+00:00", "utc": "1966-02-08T04:42:09Z", "ms": -122930271113.44429 }, "end": { "local": "1966-02-09T01:41:57+00:00", "utc": "1966-02-09T01:41:57Z", "ms": -122854683082.80098 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-08T04:42:09+00:00", "utc": "1966-02-08T04:42:09Z", "ms": -122930271113.44429 }, "end": { "local": "1966-02-09T01:41:57+00:00", "utc": "1966-02-09T01:41:57Z", "ms": -122854683082.80098 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-02-07", "window": { "start": { "local": "1966-02-07T20:47:18+00:00", "utc": "1966-02-07T20:47:18Z", "ms": -122958762328.81699 }, "end": { "local": "1966-02-07T20:47:18+00:00", "utc": "1966-02-07T20:47:18Z", "ms": -122958762328.81699 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-02-08", "window": { "start": { "local": "1966-02-08T21:44:51+00:00", "utc": "1966-02-08T21:44:51Z", "ms": -122868908822.6551 }, "end": { "local": "1966-02-08T21:44:51+00:00", "utc": "1966-02-08T21:44:51Z", "ms": -122868908822.6551 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:42 on Tue 8 Feb to 01:42 on Wed 9 Feb.", "fact": "1966-02-08T04:42:09Z → 1966-02-09T01:41:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 7th and 21:45 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14226 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Tuesday 8 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": "1966-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-08", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Tuesday 8 February. Caturthī runs from 04:42 on Tue 8 Feb to 01:42 on Wed 9 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-02-15", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20901, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-02-14T23:11:33+00:00", "utc": "1966-02-14T23:11:33Z", "ms": -122345307117.79247 }, "end": { "local": "1966-02-16T01:05:47+00:00", "utc": "1966-02-16T01:05:47Z", "ms": -122252053464.37408 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-14T23:11:33+00:00", "utc": "1966-02-14T23:11:33Z", "ms": -122345307117.79247 }, "end": { "local": "1966-02-16T01:05:47+00:00", "utc": "1966-02-16T01:05:47Z", "ms": -122252053464.37408 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-02-15", "window": { "start": { "local": "1966-02-15T06:54:29+00:00", "utc": "1966-02-15T06:54:29Z", "ms": -122317530632.53673 }, "end": { "local": "1966-02-15T06:54:29+00:00", "utc": "1966-02-15T06:54:29Z", "ms": -122317530632.53673 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-02-16", "window": { "start": { "local": "1966-02-16T06:54:07+00:00", "utc": "1966-02-16T06:54:07Z", "ms": -122231152761.31036 }, "end": { "local": "1966-02-16T06:54:07+00:00", "utc": "1966-02-16T06:54:07Z", "ms": -122231152761.31036 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:12 on Mon 14 Feb to 01:06 on Wed 16 Feb.", "fact": "1966-02-14T23:11:33Z → 1966-02-16T01:05:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 15th and 06:54 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20901 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Bamako, 1966: Tuesday 15 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": "1966-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-15", "confidence": "determinate" } ], "quote": "In Bamako, Vijayā Ekādaśī 1966 falls on Tuesday 15 February. Ekādaśī runs from 23:12 on Mon 14 Feb to 01:06 on Wed 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-02-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-02-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25429, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-02-17T03:20:02+00:00", "utc": "1966-02-17T03:20:02Z", "ms": -122157597754.22672 }, "end": { "local": "1966-02-18T05:46:06+00:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-17T03:20:02+00:00", "utc": "1966-02-17T03:20:02Z", "ms": -122157597754.22672 }, "end": { "local": "1966-02-18T05:46:06+00:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-02-16", "window": { "start": { "local": "1966-02-16T18:38:08+00:00", "utc": "1966-02-16T18:38:08Z", "ms": -122188911658.38135 }, "end": { "local": "1966-02-16T20:16:13+00:00", "utc": "1966-02-16T20:16:13Z", "ms": -122183026868.755 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1966-02-17", "window": { "start": { "local": "1966-02-17T18:38:24+00:00", "utc": "1966-02-17T18:38:24Z", "ms": -122102496346.00479 }, "end": { "local": "1966-02-17T20:16:23+00:00", "utc": "1966-02-17T20:16:23Z", "ms": -122096616772.03236 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:20 on Thu 17 Feb to 05:46 on Fri 18 Feb.", "fact": "1966-02-17T03:20:02Z → 1966-02-18T05:46:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:16 on the 16th, 18:38–20:16 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 16th and 98 of 98 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25429 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Thursday 17 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": "1966-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-17", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 17 February. Trayodaśī runs from 03:20 on Thu 17 Feb to 05:46 on Fri 18 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-02-17", "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/1966/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16574, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-02-18T05:46:06+00:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "end": { "local": "1966-02-19T08:17:23+00:00", "utc": "1966-02-19T08:17:23Z", "ms": -121966956692.73174 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-18T05:46:06+00:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "end": { "local": "1966-02-19T08:17:23+00:00", "utc": "1966-02-19T08:17:23Z", "ms": -121966956692.73174 } }, "kaala": "nishita", "days": [ { "local_date": "1966-02-17", "window": { "start": { "local": "1966-02-18T00:21:52+00:00", "utc": "1966-02-18T00:21:52Z", "ms": -122081887943.60818 }, "end": { "local": "1966-02-18T01:09:52+00:00", "utc": "1966-02-18T01:09:52Z", "ms": -122079007943.60818 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-02-18", "window": { "start": { "local": "1966-02-19T00:21:47+00:00", "utc": "1966-02-19T00:21:47Z", "ms": -121995492876.4973 }, "end": { "local": "1966-02-19T01:09:47+00:00", "utc": "1966-02-19T01:09:47Z", "ms": -121992612876.4973 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:46 on Fri 18 Feb to 08:17 on Sat 19 Feb.", "fact": "1966-02-18T05:46:06Z → 1966-02-19T08:17:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 17th, 00:22–01:10 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 16574 s" }, { "step": "ruling", "text": "Mahāśivarātri, Bamako, 1966: Friday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-18", "confidence": "determinate" } ], "quote": "In Bamako, Mahāśivarātri 1966 falls on Friday 18 February. Caturdaśī runs from 05:46 on Fri 18 Feb to 08:17 on Sat 19 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-02-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16663, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-02-23T17:47:10+00:00", "utc": "1966-02-23T17:47:10Z", "ms": -121587169754.97859 }, "end": { "local": "1966-02-24T19:39:15+00:00", "utc": "1966-02-24T19:39:15Z", "ms": -121494045039.41144 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-23T17:47:10+00:00", "utc": "1966-02-23T17:47:10Z", "ms": -121587169754.97859 }, "end": { "local": "1966-02-24T19:39:15+00:00", "utc": "1966-02-24T19:39:15Z", "ms": -121494045039.41144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-23", "window": { "start": { "local": "1966-02-23T12:21:27+00:00", "utc": "1966-02-23T12:21:27Z", "ms": -121606713238.94594 }, "end": { "local": "1966-02-23T13:09:27+00:00", "utc": "1966-02-23T13:09:27Z", "ms": -121603833238.94594 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-02-24", "window": { "start": { "local": "1966-02-24T12:21:18+00:00", "utc": "1966-02-24T12:21:18Z", "ms": -121520321698.58524 }, "end": { "local": "1966-02-24T13:09:18+00:00", "utc": "1966-02-24T13:09:18Z", "ms": -121517441698.58524 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:47 on Wed 23 Feb to 19:39 on Thu 24 Feb.", "fact": "1966-02-23T17:47:10Z → 1966-02-24T19:39:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 23rd, 12:21–13:09 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16663 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Thursday 24 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-24", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Thursday 24 February. Caturthī runs from 17:47 on Wed 23 Feb to 19:39 on Thu 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-03-03", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33920, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-03-02T18:49:12+00:00", "utc": "1966-03-02T18:49:12Z", "ms": -120978647948.17055 }, "end": { "local": "1966-03-03T16:12:24+00:00", "utc": "1966-03-03T16:12:24Z", "ms": -120901656335.98311 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-02T18:49:12+00:00", "utc": "1966-03-02T18:49:12Z", "ms": -120978647948.17055 }, "end": { "local": "1966-03-03T16:12:24+00:00", "utc": "1966-03-03T16:12:24Z", "ms": -120901656335.98311 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-02", "window": { "start": { "local": "1966-03-02T06:47:36+00:00", "utc": "1966-03-02T06:47:36Z", "ms": -121021943619.2115 }, "end": { "local": "1966-03-02T06:47:36+00:00", "utc": "1966-03-02T06:47:36Z", "ms": -121021943619.2115 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-03-03", "window": { "start": { "local": "1966-03-03T06:47:03+00:00", "utc": "1966-03-03T06:47:03Z", "ms": -120935576570.00555 }, "end": { "local": "1966-03-03T06:47:03+00:00", "utc": "1966-03-03T06:47:03Z", "ms": -120935576570.00555 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:49 on Wed 2 Mar to 16:12 on Thu 3 Mar.", "fact": "1966-03-02T18:49:12Z → 1966-03-03T16:12:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 2nd and 06:47 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33920 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Bamako, 1966: Thursday 3 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": "1966-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-03", "confidence": "determinate" } ], "quote": "In Bamako, Āmalakī Ekādaśī 1966 falls on Thursday 3 March. Ekādaśī runs from 18:49 on Wed 2 Mar to 16:12 on Thu 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-03-03", "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/1966/pradosha-vrata?on=1966-03-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20357, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-03-04T13:01:53+00:00", "utc": "1966-03-04T13:01:53Z", "ms": -120826687372.38622 }, "end": { "local": "1966-03-05T09:26:43+00:00", "utc": "1966-03-05T09:26:43Z", "ms": -120753197283.52097 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-04T13:01:53+00:00", "utc": "1966-03-04T13:01:53Z", "ms": -120826687372.38622 }, "end": { "local": "1966-03-05T09:26:43+00:00", "utc": "1966-03-05T09:26:43Z", "ms": -120753197283.52097 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-03-04", "window": { "start": { "local": "1966-03-04T18:41:10+00:00", "utc": "1966-03-04T18:41:10Z", "ms": -120806330008.32318 }, "end": { "local": "1966-03-04T20:17:48+00:00", "utc": "1966-03-04T20:17:48Z", "ms": -120800531888.22585 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1966-03-05", "window": { "start": { "local": "1966-03-05T18:41:17+00:00", "utc": "1966-03-05T18:41:17Z", "ms": -120719922689.0672 }, "end": { "local": "1966-03-05T20:17:50+00:00", "utc": "1966-03-05T20:17:50Z", "ms": -120714130149.38486 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:02 on Fri 4 Mar to 09:27 on Sat 5 Mar.", "fact": "1966-03-04T13:01:53Z → 1966-03-05T09:26:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:18 on the 4th, 18:41–20:18 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 97 of 97 minutes on the 4th and 0 of 97 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 20357 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Friday 4 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": "1966-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-04", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Friday 4 March. Trayodaśī runs from 13:02 on Fri 4 Mar to 09:27 on Sat 5 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-03-04", "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/1966/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25431, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-03-06T05:37:24+00:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-06T05:37:24+00:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-03-05", "window": { "start": { "local": "1966-03-05T16:18:13+00:00", "utc": "1966-03-05T16:18:13Z", "ms": -120728506972.7724 }, "end": { "local": "1966-03-05T18:41:17+00:00", "utc": "1966-03-05T18:41:17Z", "ms": -120719922689.0672 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "1966-03-06", "window": { "start": { "local": "1966-03-06T16:18:12+00:00", "utc": "1966-03-06T16:18:12Z", "ms": -120642108332.62166 }, "end": { "local": "1966-03-06T18:41:24+00:00", "utc": "1966-03-06T18:41:24Z", "ms": -120633515755.41467 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:37 on Sun 6 Mar to 01:45 on Mon 7 Mar.", "fact": "1966-03-06T05:37:24Z → 1966-03-07T01:45:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:18–18:41 on the 5th, 16:18–18:41 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 143 minutes on the 5th and 143 of 143 on the 6th.", "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 25431 s" }, { "step": "ruling", "text": "Holikā Dahana, Bamako, 1966: Sunday 6 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": "1966-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-06", "confidence": "determinate" } ], "quote": "In Bamako, Holikā Dahana 1966 falls on Sunday 6 March. Pūrṇimā runs from 05:37 on Sun 6 Mar to 01:45 on Mon 7 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25431, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-03-06T05:37:24+00:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-06T05:37:24+00:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-03-05", "window": { "start": { "local": "1966-03-05T16:18:13+00:00", "utc": "1966-03-05T16:18:13Z", "ms": -120728506972.7724 }, "end": { "local": "1966-03-05T18:41:17+00:00", "utc": "1966-03-05T18:41:17Z", "ms": -120719922689.0672 } }, "covered_min": 0, "window_min": 143, "qualifies": false }, { "local_date": "1966-03-06", "window": { "start": { "local": "1966-03-06T16:18:12+00:00", "utc": "1966-03-06T16:18:12Z", "ms": -120642108332.62166 }, "end": { "local": "1966-03-06T18:41:24+00:00", "utc": "1966-03-06T18:41:24Z", "ms": -120633515755.41467 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1966-03-06", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:37 on Sun 6 Mar to 01:45 on Mon 7 Mar.", "fact": "1966-03-06T05:37:24Z → 1966-03-07T01:45:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:18–18:41 on the 5th, 16:18–18:41 on the 6th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 143 minutes on the 5th and 143 of 143 on the 6th.", "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 25431 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 6 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Bamako, 1966: Monday 7 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": "1966-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-07", "confidence": "determinate" } ], "quote": "In Bamako, Holī 1966 falls on Monday 7 March. It is kept the day after Holikā Dahana, which falls on Sunday 6 March. Pūrṇimā runs from 05:37 on Sun 6 Mar to 01:45 on Mon 7 Mar and covers all of sāyāhna on the 6th.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17972, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "end": { "local": "1966-03-07T22:01:55+00:00", "utc": "1966-03-07T22:01:55Z", "ms": -120535085459.25905 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-07T01:45:15+00:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "end": { "local": "1966-03-07T22:01:55+00:00", "utc": "1966-03-07T22:01:55Z", "ms": -120535085459.25905 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-07", "window": { "start": { "local": "1966-03-07T06:44:46+00:00", "utc": "1966-03-07T06:44:46Z", "ms": -120590113648.78697 }, "end": { "local": "1966-03-07T06:44:46+00:00", "utc": "1966-03-07T06:44:46Z", "ms": -120590113648.78697 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-03-08", "window": { "start": { "local": "1966-03-08T06:44:11+00:00", "utc": "1966-03-08T06:44:11Z", "ms": -120503749101.78224 }, "end": { "local": "1966-03-08T06:44:11+00:00", "utc": "1966-03-08T06:44:11Z", "ms": -120503749101.78224 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:45 on Mon 7 Mar to 22:02 on Mon 7 Mar.", "fact": "1966-03-07T01:45:15Z → 1966-03-07T22:01:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:45 on the 7th and 06:44 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17972 s" }, { "step": "ruling", "text": "Vasantotsava, Bamako, 1966: Monday 7 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": "1966-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-07", "confidence": "determinate" } ], "quote": "In Bamako, Vasantotsava 1966 falls on Monday 7 March. Pratipadā runs from 01:45 on Mon 7 Mar to 22:02 on Mon 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20030, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-03-09T15:46:39+00:00", "utc": "1966-03-09T15:46:39Z", "ms": -120384801149.91325 }, "end": { "local": "1966-03-10T13:34:38+00:00", "utc": "1966-03-10T13:34:38Z", "ms": -120306322494.36858 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-09T15:46:39+00:00", "utc": "1966-03-09T15:46:39Z", "ms": -120384801149.91325 }, "end": { "local": "1966-03-10T13:34:38+00:00", "utc": "1966-03-10T13:34:38Z", "ms": -120306322494.36858 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-03-09", "window": { "start": { "local": "1966-03-09T21:20:29+00:00", "utc": "1966-03-09T21:20:29Z", "ms": -120364771004.40924 }, "end": { "local": "1966-03-09T21:20:29+00:00", "utc": "1966-03-09T21:20:29Z", "ms": -120364771004.40924 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-03-10", "window": { "start": { "local": "1966-03-10T22:16:34+00:00", "utc": "1966-03-10T22:16:34Z", "ms": -120275005844.43524 }, "end": { "local": "1966-03-10T22:16:34+00:00", "utc": "1966-03-10T22:16:34Z", "ms": -120275005844.43524 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:47 on Wed 9 Mar to 13:35 on Thu 10 Mar.", "fact": "1966-03-09T15:46:39Z → 1966-03-10T13:34:38Z" }, { "step": "kaala", "text": "Moonrise is at 21:20 on the 9th and 22:17 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20030 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Wednesday 9 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": "1966-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-09", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Wednesday 9 March. Caturthī runs from 15:47 on Wed 9 Mar to 13:35 on Thu 10 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 557, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-03-13T11:52:34+00:00", "utc": "1966-03-13T11:52:34Z", "ms": -120053245762.87485 }, "end": { "local": "1966-03-14T12:56:02+00:00", "utc": "1966-03-14T12:56:02Z", "ms": -119963037848.9117 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-13T11:52:34+00:00", "utc": "1966-03-13T11:52:34Z", "ms": -120053245762.87485 }, "end": { "local": "1966-03-14T12:56:02+00:00", "utc": "1966-03-14T12:56:02Z", "ms": -119963037848.9117 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-13", "window": { "start": { "local": "1966-03-13T12:17:36+00:00", "utc": "1966-03-13T12:17:36Z", "ms": -120051744187.88974 }, "end": { "local": "1966-03-13T13:05:36+00:00", "utc": "1966-03-13T13:05:36Z", "ms": -120048864187.88974 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-14", "window": { "start": { "local": "1966-03-14T12:17:19+00:00", "utc": "1966-03-14T12:17:19Z", "ms": -119965360684.55484 }, "end": { "local": "1966-03-14T13:05:19+00:00", "utc": "1966-03-14T13:05:19Z", "ms": -119962480684.55484 } }, "covered_min": 39, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:53 on Sun 13 Mar to 12:56 on Mon 14 Mar.", "fact": "1966-03-13T11:52:34Z → 1966-03-14T12:56:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 13th, 12:17–13:05 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 39 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 557 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Bamako, 1966: Sunday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-13", "confidence": "determinate" } ], "quote": "In Bamako, Śītalāṣṭamī 1966 falls on Sunday 13 March. Aṣṭamī runs from 11:53 on Sun 13 Mar to 12:56 on Mon 14 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 39 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-03-17", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36539, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-03-16T16:48:13+00:00", "utc": "1966-03-16T16:48:13Z", "ms": -119776306515.31075 }, "end": { "local": "1966-03-17T19:14:56+00:00", "utc": "1966-03-17T19:14:56Z", "ms": -119681103542.11487 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-16T16:48:13+00:00", "utc": "1966-03-16T16:48:13Z", "ms": -119776306515.31075 }, "end": { "local": "1966-03-17T19:14:56+00:00", "utc": "1966-03-17T19:14:56Z", "ms": -119681103542.11487 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-16", "window": { "start": { "local": "1966-03-16T06:39:14+00:00", "utc": "1966-03-16T06:39:14Z", "ms": -119812845603.7199 }, "end": { "local": "1966-03-16T06:39:14+00:00", "utc": "1966-03-16T06:39:14Z", "ms": -119812845603.7199 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-03-17", "window": { "start": { "local": "1966-03-17T06:38:36+00:00", "utc": "1966-03-17T06:38:36Z", "ms": -119726483910.47812 }, "end": { "local": "1966-03-17T06:38:36+00:00", "utc": "1966-03-17T06:38:36Z", "ms": -119726483910.47812 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:48 on Wed 16 Mar to 19:15 on Thu 17 Mar.", "fact": "1966-03-16T16:48:13Z → 1966-03-17T19:14:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 16th and 06:39 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36539 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Bamako, 1966: Thursday 17 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": "1966-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-17", "confidence": "determinate" } ], "quote": "In Bamako, Pāpamocanī Ekādaśī 1966 falls on Thursday 17 March. Ekādaśī runs from 16:48 on Wed 16 Mar to 19:15 on Thu 17 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-03-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5393, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-03-18T21:47:37+00:00", "utc": "1966-03-18T21:47:37Z", "ms": -119585542806.46419 }, "end": { "local": "1966-03-20T00:17:35+00:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-18T21:47:37+00:00", "utc": "1966-03-18T21:47:37Z", "ms": -119585542806.46419 }, "end": { "local": "1966-03-20T00:17:35+00:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-03-18", "window": { "start": { "local": "1966-03-18T18:42:25+00:00", "utc": "1966-03-18T18:42:25Z", "ms": -119596655371.1351 }, "end": { "local": "1966-03-18T20:17:44+00:00", "utc": "1966-03-18T20:17:44Z", "ms": -119590936135.39919 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1966-03-19", "window": { "start": { "local": "1966-03-19T18:42:28+00:00", "utc": "1966-03-19T18:42:28Z", "ms": -119510251715.59154 }, "end": { "local": "1966-03-19T20:17:42+00:00", "utc": "1966-03-19T20:17:42Z", "ms": -119504538146.24953 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:48 on Fri 18 Mar to 00:18 on Sun 20 Mar.", "fact": "1966-03-18T21:47:37Z → 1966-03-20T00:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:18 on the 18th, 18:42–20:18 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 18th and 95 of 95 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5393 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Saturday 19 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": "1966-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-19", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Saturday 19 March. Trayodaśī runs from 21:48 on Fri 18 Mar to 00:18 on Sun 20 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-03-19", "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/1966/shivaratri?on=1966-03-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-20", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 121, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-03-20T00:17:35+00:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "end": { "local": "1966-03-21T02:38:30+00:00", "utc": "1966-03-21T02:38:30Z", "ms": -119395290238.01146 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-20T00:17:35+00:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "end": { "local": "1966-03-21T02:38:30+00:00", "utc": "1966-03-21T02:38:30Z", "ms": -119395290238.01146 } }, "kaala": "nishita", "days": [ { "local_date": "1966-03-19", "window": { "start": { "local": "1966-03-20T00:15:34+00:00", "utc": "1966-03-20T00:15:34Z", "ms": -119490265830.55899 }, "end": { "local": "1966-03-20T01:03:34+00:00", "utc": "1966-03-20T01:03:34Z", "ms": -119487385830.55899 } }, "covered_min": 46, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-20", "window": { "start": { "local": "1966-03-21T00:15:16+00:00", "utc": "1966-03-21T00:15:16Z", "ms": -119403883561.98299 }, "end": { "local": "1966-03-21T01:03:16+00:00", "utc": "1966-03-21T01:03:16Z", "ms": -119401003561.98299 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:18 on Sun 20 Mar to 02:38 on Mon 21 Mar.", "fact": "1966-03-20T00:17:35Z → 1966-03-21T02:38:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 19th, 00:15–01:03 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 46 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 121 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Sunday 20 March.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-20", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1966 falls on Sunday 20 March. Caturdaśī runs from 00:18 on Sun 20 Mar to 02:38 on Mon 21 Mar and covers all of niśītha that night. It also reaches the previous night for 46 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 01 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-03-20", "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/1966/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20242, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-03-22T04:46:04+00:00", "utc": "1966-03-22T04:46:04Z", "ms": -119301235510.53867 }, "end": { "local": "1966-03-23T06:37:20+00:00", "utc": "1966-03-23T06:37:20Z", "ms": -119208159718.69223 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-22T04:46:04+00:00", "utc": "1966-03-22T04:46:04Z", "ms": -119301235510.53867 }, "end": { "local": "1966-03-23T06:37:20+00:00", "utc": "1966-03-23T06:37:20Z", "ms": -119208159718.69223 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-22", "window": { "start": { "local": "1966-03-22T12:15:00+00:00", "utc": "1966-03-22T12:15:00Z", "ms": -119274299775.60748 }, "end": { "local": "1966-03-22T13:03:00+00:00", "utc": "1966-03-22T13:03:00Z", "ms": -119271419775.60748 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-23", "window": { "start": { "local": "1966-03-23T12:14:42+00:00", "utc": "1966-03-23T12:14:42Z", "ms": -119187917779.52176 }, "end": { "local": "1966-03-23T13:02:42+00:00", "utc": "1966-03-23T13:02:42Z", "ms": -119185037779.52176 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:46 on Tue 22 Mar to 06:37 on Wed 23 Mar.", "fact": "1966-03-22T04:46:04Z → 1966-03-23T06:37:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 22nd, 12:15–13:03 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20242 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Bamako, 1966: Tuesday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-22", "confidence": "determinate" } ], "quote": "In Bamako, Navarātrārambha (Caitra) (Chaitra Navratri) 1966 falls on Tuesday 22 March. Pratipadā runs from 04:46 on Tue 22 Mar to 06:37 on Wed 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10407, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-03-24T08:09:46+00:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-24T08:09:46+00:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-24", "window": { "start": { "local": "1966-03-24T12:14:24+00:00", "utc": "1966-03-24T12:14:24Z", "ms": -119101535862.08694 }, "end": { "local": "1966-03-24T13:02:24+00:00", "utc": "1966-03-24T13:02:24Z", "ms": -119098655862.08694 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T12:14:06+00:00", "utc": "1966-03-25T12:14:06Z", "ms": -119015154006.0391 }, "end": { "local": "1966-03-25T13:02:06+00:00", "utc": "1966-03-25T13:02:06Z", "ms": -119012274006.0391 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:10 on Thu 24 Mar to 09:21 on Fri 25 Mar.", "fact": "1966-03-24T08:09:46Z → 1966-03-25T09:20:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 24th, 12:14–13:02 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10407 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Bamako, 1966: Thursday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-24", "confidence": "determinate" } ], "quote": "In Bamako, Gaurī Tṛtīyā (Gangaur) 1966 falls on Thursday 24 March. Tṛtīyā runs from 08:10 on Thu 24 Mar to 09:21 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10407, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-03-24T08:09:46+00:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-24T08:09:46+00:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-24", "window": { "start": { "local": "1966-03-24T12:14:24+00:00", "utc": "1966-03-24T12:14:24Z", "ms": -119101535862.08694 }, "end": { "local": "1966-03-24T13:02:24+00:00", "utc": "1966-03-24T13:02:24Z", "ms": -119098655862.08694 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T12:14:06+00:00", "utc": "1966-03-25T12:14:06Z", "ms": -119015154006.0391 }, "end": { "local": "1966-03-25T13:02:06+00:00", "utc": "1966-03-25T13:02:06Z", "ms": -119012274006.0391 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:10 on Thu 24 Mar to 09:21 on Fri 25 Mar.", "fact": "1966-03-24T08:09:46Z → 1966-03-25T09:20:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 24th, 12:14–13:02 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10407 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Bamako, 1966: Thursday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-24", "confidence": "determinate" } ], "quote": "In Bamako, Saubhāgya Śayana Vrata 1966 falls on Thursday 24 March. Tṛtīyā runs from 08:10 on Thu 24 Mar to 09:21 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-03-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7624, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "end": { "local": "1966-03-26T10:06:44+00:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-25T09:20:39+00:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "end": { "local": "1966-03-26T10:06:44+00:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T12:14:06+00:00", "utc": "1966-03-25T12:14:06Z", "ms": -119015154006.0391 }, "end": { "local": "1966-03-25T13:02:06+00:00", "utc": "1966-03-25T13:02:06Z", "ms": -119012274006.0391 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-26", "window": { "start": { "local": "1966-03-26T12:13:48+00:00", "utc": "1966-03-26T12:13:48Z", "ms": -118928772194.06744 }, "end": { "local": "1966-03-26T13:01:48+00:00", "utc": "1966-03-26T13:01:48Z", "ms": -118925892194.06744 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:21 on Fri 25 Mar to 10:07 on Sat 26 Mar.", "fact": "1966-03-25T09:20:39Z → 1966-03-26T10:06:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 25th, 12:14–13:02 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7624 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Friday 25 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": "1966-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-25", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Friday 25 March. Caturthī runs from 09:21 on Fri 25 Mar to 10:07 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6548, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-03-26T10:06:44+00:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "end": { "local": "1966-03-27T10:24:22+00:00", "utc": "1966-03-27T10:24:22Z", "ms": -118848938013.53856 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-26T10:06:44+00:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "end": { "local": "1966-03-27T10:24:22+00:00", "utc": "1966-03-27T10:24:22Z", "ms": -118848938013.53856 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-26", "window": { "start": { "local": "1966-03-26T12:13:48+00:00", "utc": "1966-03-26T12:13:48Z", "ms": -118928772194.06744 }, "end": { "local": "1966-03-26T13:01:48+00:00", "utc": "1966-03-26T13:01:48Z", "ms": -118925892194.06744 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-27", "window": { "start": { "local": "1966-03-27T12:13:30+00:00", "utc": "1966-03-27T12:13:30Z", "ms": -118842390408.71696 }, "end": { "local": "1966-03-27T13:01:30+00:00", "utc": "1966-03-27T13:01:30Z", "ms": -118839510408.71696 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:07 on Sat 26 Mar to 10:24 on Sun 27 Mar.", "fact": "1966-03-26T10:06:44Z → 1966-03-27T10:24:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 26th, 12:13–13:01 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6548 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Bamako, 1966: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-26", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pañcamī 1966 falls on Saturday 26 March. Pañcamī runs from 10:07 on Sat 26 Mar to 10:24 on Sun 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10308, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-03-29T09:21:05+00:00", "utc": "1966-03-29T09:21:05Z", "ms": -118679934546.9857 }, "end": { "local": "1966-03-30T07:56:29+00:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-29T09:21:05+00:00", "utc": "1966-03-29T09:21:05Z", "ms": -118679934546.9857 }, "end": { "local": "1966-03-30T07:56:29+00:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-29", "window": { "start": { "local": "1966-03-29T12:12:53+00:00", "utc": "1966-03-29T12:12:53Z", "ms": -118669626846.63129 }, "end": { "local": "1966-03-29T13:00:53+00:00", "utc": "1966-03-29T13:00:53Z", "ms": -118666746846.63129 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-30", "window": { "start": { "local": "1966-03-30T12:12:35+00:00", "utc": "1966-03-30T12:12:35Z", "ms": -118583245033.13568 }, "end": { "local": "1966-03-30T13:00:35+00:00", "utc": "1966-03-30T13:00:35Z", "ms": -118580365033.13568 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:21 on Tue 29 Mar to 07:56 on Wed 30 Mar.", "fact": "1966-03-29T09:21:05Z → 1966-03-30T07:56:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 29th, 12:13–13:01 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10308 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Bamako, 1966: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-29", "confidence": "determinate" } ], "quote": "In Bamako, Bhavānī Utpatti 1966 falls on Tuesday 29 March. Aṣṭamī runs from 09:21 on Tue 29 Mar to 07:56 on Wed 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15366, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-03-30T07:56:29+00:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "end": { "local": "1966-03-31T05:57:15+00:00", "utc": "1966-03-31T05:57:15Z", "ms": -118519364711.21323 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-30T07:56:29+00:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "end": { "local": "1966-03-31T05:57:15+00:00", "utc": "1966-03-31T05:57:15Z", "ms": -118519364711.21323 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-30", "window": { "start": { "local": "1966-03-30T12:12:35+00:00", "utc": "1966-03-30T12:12:35Z", "ms": -118583245033.13568 }, "end": { "local": "1966-03-30T13:00:35+00:00", "utc": "1966-03-30T13:00:35Z", "ms": -118580365033.13568 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-03-31", "window": { "start": { "local": "1966-03-31T12:12:17+00:00", "utc": "1966-03-31T12:12:17Z", "ms": -118496863172.40979 }, "end": { "local": "1966-03-31T13:00:17+00:00", "utc": "1966-03-31T13:00:17Z", "ms": -118493983172.40979 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:56 on Wed 30 Mar to 05:57 on Thu 31 Mar.", "fact": "1966-03-30T07:56:29Z → 1966-03-31T05:57:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 30th, 12:12–13:00 on the 31st.", "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 30th and 0 of 48 on the 31st.", "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 15366 s" }, { "step": "ruling", "text": "Rāma Navamī, Bamako, 1966: Wednesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-30", "confidence": "determinate" } ], "quote": "In Bamako, Rāma Navamī 1966 falls on Wednesday 30 March. Navamī runs from 07:56 on Wed 30 Mar to 05:57 on Thu 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-04-01", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10922, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-01T03:26:47+00:00", "utc": "1966-04-01T03:26:47Z", "ms": -118441992829.04361 }, "end": { "local": "1966-04-02T00:30:35+00:00", "utc": "1966-04-02T00:30:35Z", "ms": -118366164562.25366 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-01T03:26:47+00:00", "utc": "1966-04-01T03:26:47Z", "ms": -118441992829.04361 }, "end": { "local": "1966-04-02T00:30:35+00:00", "utc": "1966-04-02T00:30:35Z", "ms": -118366164562.25366 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-01", "window": { "start": { "local": "1966-04-01T06:28:49+00:00", "utc": "1966-04-01T06:28:49Z", "ms": -118431070583.3691 }, "end": { "local": "1966-04-01T06:28:49+00:00", "utc": "1966-04-01T06:28:49Z", "ms": -118431070583.3691 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-04-02", "window": { "start": { "local": "1966-04-02T06:28:10+00:00", "utc": "1966-04-02T06:28:10Z", "ms": -118344709523.47101 }, "end": { "local": "1966-04-02T06:28:10+00:00", "utc": "1966-04-02T06:28:10Z", "ms": -118344709523.47101 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:27 on Fri 1 Apr to 00:31 on Sat 2 Apr.", "fact": "1966-04-01T03:26:47Z → 1966-04-02T00:30:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 1st and 06:28 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 10922 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Bamako, 1966: Friday 1 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": "1966-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-01", "confidence": "determinate" } ], "quote": "In Bamako, Kāmadā Ekādaśī 1966 falls on Friday 1 April. Ekādaśī runs from 03:27 on Fri 1 Apr to 00:31 on Sat 2 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-04-01", "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/1966/pradosha-vrata?on=1966-04-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-02", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3089, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-02T21:16:00+00:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-02T21:16:00+00:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-02", "window": { "start": { "local": "1966-04-02T18:43:11+00:00", "utc": "1966-04-02T18:43:11Z", "ms": -118300608930.92665 }, "end": { "local": "1966-04-02T20:17:06+00:00", "utc": "1966-04-02T20:17:06Z", "ms": -118294974181.64877 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1966-04-03", "window": { "start": { "local": "1966-04-03T18:43:14+00:00", "utc": "1966-04-03T18:43:14Z", "ms": -118214205887.07628 }, "end": { "local": "1966-04-03T20:17:03+00:00", "utc": "1966-04-03T20:17:03Z", "ms": -118208576691.59993 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:16 on Sat 2 Apr to 17:52 on Sun 3 Apr.", "fact": "1966-04-02T21:16:00Z → 1966-04-03T17:51:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:17 on the 2nd, 18:43–20:17 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 94 minutes on the 2nd and 0 of 94 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3089 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Saturday 2 April.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-02", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Saturday 2 April. Trayodaśī runs from 21:16 on Sat 2 Apr to 17:52 on Sun 3 Apr, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-04-02", "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/1966/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17542, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-02T21:16:00+00:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-02T21:16:00+00:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-02", "window": { "start": { "local": "1966-04-02T12:11:41+00:00", "utc": "1966-04-02T12:11:41Z", "ms": -118324099227.19882 }, "end": { "local": "1966-04-02T12:59:41+00:00", "utc": "1966-04-02T12:59:41Z", "ms": -118321219227.19882 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-03", "window": { "start": { "local": "1966-04-03T12:11:23+00:00", "utc": "1966-04-03T12:11:23Z", "ms": -118237717099.20941 }, "end": { "local": "1966-04-03T12:59:23+00:00", "utc": "1966-04-03T12:59:23Z", "ms": -118234837099.20941 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:16 on Sat 2 Apr to 17:52 on Sun 3 Apr.", "fact": "1966-04-02T21:16:00Z → 1966-04-03T17:51:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 2nd, 12:11–12:59 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17542 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Bamako, 1966: Sunday 3 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": "1966-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-03", "confidence": "determinate" } ], "quote": "In Bamako, Anaṅga Trayodaśī 1966 falls on Sunday 3 April. Trayodaśī runs from 21:16 on Sat 2 Apr to 17:52 on Sun 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5301, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "end": { "local": "1966-04-04T14:27:26+00:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-03T17:51:45+00:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "end": { "local": "1966-04-04T14:27:26+00:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-03", "window": { "start": { "local": "1966-04-03T12:11:23+00:00", "utc": "1966-04-03T12:11:23Z", "ms": -118237717099.20941 }, "end": { "local": "1966-04-03T12:59:23+00:00", "utc": "1966-04-03T12:59:23Z", "ms": -118234837099.20941 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-04", "window": { "start": { "local": "1966-04-04T12:11:05+00:00", "utc": "1966-04-04T12:11:05Z", "ms": -118151334837.21385 }, "end": { "local": "1966-04-04T12:59:05+00:00", "utc": "1966-04-04T12:59:05Z", "ms": -118148454837.21385 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:52 on Sun 3 Apr to 14:27 on Mon 4 Apr.", "fact": "1966-04-03T17:51:45Z → 1966-04-04T14:27:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 3rd, 12:11–12:59 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 5301 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Bamako, 1966: Monday 4 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": "1966-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-04", "confidence": "determinate" } ], "quote": "In Bamako, Viṣṇudamanaka Caturdaśī 1966 falls on Monday 4 April. Caturdaśī runs from 17:52 on Sun 3 Apr to 14:27 on Mon 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3461, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-04-04T14:27:26+00:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "end": { "local": "1966-04-05T11:13:07+00:00", "utc": "1966-04-05T11:13:07Z", "ms": -118068413028.9957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-04T14:27:26+00:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "end": { "local": "1966-04-05T11:13:07+00:00", "utc": "1966-04-05T11:13:07Z", "ms": -118068413028.9957 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-04", "window": { "start": { "local": "1966-04-04T12:11:05+00:00", "utc": "1966-04-04T12:11:05Z", "ms": -118151334837.21385 }, "end": { "local": "1966-04-04T12:59:05+00:00", "utc": "1966-04-04T12:59:05Z", "ms": -118148454837.21385 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-05", "window": { "start": { "local": "1966-04-05T12:10:48+00:00", "utc": "1966-04-05T12:10:48Z", "ms": -118064952417.8308 }, "end": { "local": "1966-04-05T12:58:48+00:00", "utc": "1966-04-05T12:58:48Z", "ms": -118062072417.8308 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:27 on Mon 4 Apr to 11:13 on Tue 5 Apr.", "fact": "1966-04-04T14:27:26Z → 1966-04-05T11:13:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 4th, 12:11–12:59 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 3461 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Bamako, 1966: Tuesday 5 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": "1966-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-05", "confidence": "determinate" } ], "quote": "In Bamako, Caitrī Pūrṇimā 1966 falls on Tuesday 5 April. Pūrṇimā runs from 14:27 on Mon 4 Apr to 11:13 on Tue 5 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-04-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18569, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-04-08T04:07:03+00:00", "utc": "1966-04-08T04:07:03Z", "ms": -117834777271.37987 }, "end": { "local": "1966-04-09T03:04:07+00:00", "utc": "1966-04-09T03:04:07Z", "ms": -117752152686.3827 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-08T04:07:03+00:00", "utc": "1966-04-08T04:07:03Z", "ms": -117834777271.37987 }, "end": { "local": "1966-04-09T03:04:07+00:00", "utc": "1966-04-09T03:04:07Z", "ms": -117752152686.3827 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-04-07", "window": { "start": { "local": "1966-04-07T20:56:50+00:00", "utc": "1966-04-07T20:56:50Z", "ms": -117860590313.26942 }, "end": { "local": "1966-04-07T20:56:50+00:00", "utc": "1966-04-07T20:56:50Z", "ms": -117860590313.26942 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-04-08", "window": { "start": { "local": "1966-04-08T21:54:38+00:00", "utc": "1966-04-08T21:54:38Z", "ms": -117770721940.25621 }, "end": { "local": "1966-04-08T21:54:38+00:00", "utc": "1966-04-08T21:54:38Z", "ms": -117770721940.25621 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:07 on Fri 8 Apr to 03:04 on Sat 9 Apr.", "fact": "1966-04-08T04:07:03Z → 1966-04-09T03:04:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:57 on the 7th and 21:55 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18569 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Friday 8 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": "1966-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-08", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Friday 8 April. Caturthī runs from 04:07 on Fri 8 Apr to 03:04 on Sat 9 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41517, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1966-04-13T18:48:46+00:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 }, "end": { "local": "1966-05-14T15:42:55+00:00", "utc": "1966-05-14T15:42:55Z", "ms": -114682625016.33156 } }, "span": { "of": "transit", "start": { "local": "1966-04-13T18:48:46+00:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 }, "end": { "local": "1966-04-13T18:48:46+00:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 } }, "kaala": "day", "days": [ { "local_date": "1966-04-13", "window": { "start": { "local": "1966-04-13T06:21:18+00:00", "utc": "1966-04-13T06:21:18Z", "ms": -117394722171.43718 }, "end": { "local": "1966-04-14T06:20:42+00:00", "utc": "1966-04-14T06:20:42Z", "ms": -117308357630.47665 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1966-04-14", "window": { "start": { "local": "1966-04-14T06:20:42+00:00", "utc": "1966-04-14T06:20:42Z", "ms": -117308357630.47665 }, "end": { "local": "1966-04-15T06:20:07+00:00", "utc": "1966-04-15T06:20:07Z", "ms": -117221992653.64653 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:49 on Wed 13 Apr.", "fact": "1966-04-13T18:48:46Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 13th, and from 06:21 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 41517 s" }, { "step": "ruling", "text": "Vaiśākhī, Bamako, 1966: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-04-13", "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": "1966-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Bamako, Vaiśākhī 1966 falls on Wednesday 13 April. The Sun enters Meṣa at 18:49 on Wed 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-04-16", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17366, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-15T11:09:33+00:00", "utc": "1966-04-15T11:09:33Z", "ms": -117204627073.05788 }, "end": { "local": "1966-04-16T13:36:15+00:00", "utc": "1966-04-16T13:36:15Z", "ms": -117109424792.29324 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-15T11:09:33+00:00", "utc": "1966-04-15T11:09:33Z", "ms": -117204627073.05788 }, "end": { "local": "1966-04-16T13:36:15+00:00", "utc": "1966-04-16T13:36:15Z", "ms": -117109424792.29324 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-15", "window": { "start": { "local": "1966-04-15T06:20:07+00:00", "utc": "1966-04-15T06:20:07Z", "ms": -117221992653.64653 }, "end": { "local": "1966-04-15T06:20:07+00:00", "utc": "1966-04-15T06:20:07Z", "ms": -117221992653.64653 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-04-16", "window": { "start": { "local": "1966-04-16T06:19:33+00:00", "utc": "1966-04-16T06:19:33Z", "ms": -117135627221.8117 }, "end": { "local": "1966-04-16T06:19:33+00:00", "utc": "1966-04-16T06:19:33Z", "ms": -117135627221.8117 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:10 on Fri 15 Apr to 13:36 on Sat 16 Apr.", "fact": "1966-04-15T11:09:33Z → 1966-04-16T13:36:15Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 15th and 06:20 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 17366 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Bamako, 1966: Saturday 16 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": "1966-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-16", "confidence": "determinate" } ], "quote": "In Bamako, Varūthinī Ekādaśī 1966 falls on Saturday 16 April. Ekādaśī runs from 11:10 on Fri 15 Apr to 13:36 on Sat 16 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-04-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3238, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-17T15:52:23+00:00", "utc": "1966-04-17T15:52:23Z", "ms": -117014856633.13988 }, "end": { "local": "1966-04-18T17:50:22+00:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-17T15:52:23+00:00", "utc": "1966-04-17T15:52:23Z", "ms": -117014856633.13988 }, "end": { "local": "1966-04-18T17:50:22+00:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-17", "window": { "start": { "local": "1966-04-17T18:44:14+00:00", "utc": "1966-04-17T18:44:14Z", "ms": -117004545767.47263 }, "end": { "local": "1966-04-17T20:16:48+00:00", "utc": "1966-04-17T20:16:48Z", "ms": -116998992321.1079 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1966-04-18", "window": { "start": { "local": "1966-04-18T18:44:20+00:00", "utc": "1966-04-18T18:44:20Z", "ms": -116918139665.10226 }, "end": { "local": "1966-04-18T20:16:49+00:00", "utc": "1966-04-18T20:16:49Z", "ms": -116912591445.01515 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:52 on Sun 17 Apr to 17:50 on Mon 18 Apr.", "fact": "1966-04-17T15:52:23Z → 1966-04-18T17:50:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:17 on the 17th, 18:44–20:17 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 93 of 93 minutes on the 17th and 0 of 92 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 3238 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Sunday 17 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": "1966-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-17", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Sunday 17 April. Trayodaśī runs from 15:52 on Sun 17 Apr to 17:50 on Mon 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shivaratri?on=1966-04-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16891, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-04-18T17:50:22+00:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "end": { "local": "1966-04-19T19:25:22+00:00", "utc": "1966-04-19T19:25:22Z", "ms": -116829277557.92476 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-18T17:50:22+00:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "end": { "local": "1966-04-19T19:25:22+00:00", "utc": "1966-04-19T19:25:22Z", "ms": -116829277557.92476 } }, "kaala": "nishita", "days": [ { "local_date": "1966-04-18", "window": { "start": { "local": "1966-04-19T00:07:06+00:00", "utc": "1966-04-19T00:07:06Z", "ms": -116898773839.77559 }, "end": { "local": "1966-04-19T00:55:06+00:00", "utc": "1966-04-19T00:55:06Z", "ms": -116895893839.77559 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-19", "window": { "start": { "local": "1966-04-20T00:06:53+00:00", "utc": "1966-04-20T00:06:53Z", "ms": -116812386927.17216 }, "end": { "local": "1966-04-20T00:54:53+00:00", "utc": "1966-04-20T00:54:53Z", "ms": -116809506927.17216 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:50 on Mon 18 Apr to 19:25 on Tue 19 Apr.", "fact": "1966-04-18T17:50:22Z → 1966-04-19T19:25:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 18th, 00:07–00:55 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16891 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Monday 18 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": "1966-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-18", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Monday 18 April. Caturdaśī runs from 17:50 on Mon 18 Apr to 19:25 on Tue 19 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-04-18", "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/1966/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31223, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-04-22T21:35:22+00:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-22T21:35:22+00:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-04-23", "window": { "start": { "local": "1966-04-23T06:15:45+00:00", "utc": "1966-04-23T06:15:45Z", "ms": -116531054987.75897 }, "end": { "local": "1966-04-23T10:25:28+00:00", "utc": "1966-04-23T10:25:28Z", "ms": -116516071546.93016 } }, "covered_min": 250, "window_min": 250, "qualifies": true }, { "local_date": "1966-04-24", "window": { "start": { "local": "1966-04-24T06:15:15+00:00", "utc": "1966-04-24T06:15:15Z", "ms": -116444685305.02675 }, "end": { "local": "1966-04-24T10:25:11+00:00", "utc": "1966-04-24T10:25:11Z", "ms": -116429689116.58551 } }, "covered_min": 0, "window_min": 250, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:35 on Fri 22 Apr to 21:27 on Sat 23 Apr.", "fact": "1966-04-22T21:35:22Z → 1966-04-23T21:26:48Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:16–10:25 on the 23rd, 06:15–10:25 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 250 of 250 minutes on the 23rd and 0 of 250 on the 24th.", "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 31223 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Bamako, 1966: Saturday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-23", "confidence": "determinate" } ], "quote": "In Bamako, Akṣaya Tṛtīyā 1966 falls on Saturday 23 April. Tṛtīyā runs from 21:35 on Fri 22 Apr to 21:27 on Sat 23 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4190, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-04-22T21:35:22+00:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-22T21:35:22+00:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-22", "window": { "start": { "local": "1966-04-22T18:44:48+00:00", "utc": "1966-04-22T18:44:48Z", "ms": -116572512278.2435 }, "end": { "local": "1966-04-22T20:16:55+00:00", "utc": "1966-04-22T20:16:55Z", "ms": -116566984639.51222 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1966-04-23", "window": { "start": { "local": "1966-04-23T18:44:55+00:00", "utc": "1966-04-23T18:44:55Z", "ms": -116486104665.27255 }, "end": { "local": "1966-04-23T20:16:58+00:00", "utc": "1966-04-23T20:16:58Z", "ms": -116480582083.90645 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:35 on Fri 22 Apr to 21:27 on Sat 23 Apr.", "fact": "1966-04-22T21:35:22Z → 1966-04-23T21:26:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:17 on the 22nd, 18:45–20:17 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 92 minutes on the 22nd and 92 of 92 on the 23rd.", "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 4190 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Bamako, 1966: Saturday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-23", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Jayantī 1966 falls on Saturday 23 April. Tṛtīyā runs from 21:35 on Fri 22 Apr to 21:27 on Sat 23 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-04-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28738, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "end": { "local": "1966-04-24T20:53:07+00:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-23T21:26:48+00:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "end": { "local": "1966-04-24T20:53:07+00:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-23", "window": { "start": { "local": "1966-04-23T12:06:20+00:00", "utc": "1966-04-23T12:06:20Z", "ms": -116510019826.51576 }, "end": { "local": "1966-04-23T12:54:20+00:00", "utc": "1966-04-23T12:54:20Z", "ms": -116507139826.51576 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-24", "window": { "start": { "local": "1966-04-24T12:06:09+00:00", "utc": "1966-04-24T12:06:09Z", "ms": -116423631022.3649 }, "end": { "local": "1966-04-24T12:54:09+00:00", "utc": "1966-04-24T12:54:09Z", "ms": -116420751022.3649 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:27 on Sat 23 Apr to 20:53 on Sun 24 Apr.", "fact": "1966-04-23T21:26:48Z → 1966-04-24T20:53:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 23rd, 12:06–12:54 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28738 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Sunday 24 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": "1966-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-24", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Sunday 24 April. Caturthī runs from 21:27 on Sat 23 Apr to 20:53 on Sun 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25259, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-04-24T20:53:07+00:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "end": { "local": "1966-04-25T19:54:58+00:00", "utc": "1966-04-25T19:54:58Z", "ms": -116309102406.98589 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-24T20:53:07+00:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "end": { "local": "1966-04-25T19:54:58+00:00", "utc": "1966-04-25T19:54:58Z", "ms": -116309102406.98589 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-24", "window": { "start": { "local": "1966-04-24T12:06:09+00:00", "utc": "1966-04-24T12:06:09Z", "ms": -116423631022.3649 }, "end": { "local": "1966-04-24T12:54:09+00:00", "utc": "1966-04-24T12:54:09Z", "ms": -116420751022.3649 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-25", "window": { "start": { "local": "1966-04-25T12:05:58+00:00", "utc": "1966-04-25T12:05:58Z", "ms": -116337241761.44522 }, "end": { "local": "1966-04-25T12:53:58+00:00", "utc": "1966-04-25T12:53:58Z", "ms": -116334361761.44522 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:53 on Sun 24 Apr to 19:55 on Mon 25 Apr.", "fact": "1966-04-24T20:53:07Z → 1966-04-25T19:54:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 24th, 12:06–12:54 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25259 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Bamako, 1966: Monday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-25", "confidence": "determinate" } ], "quote": "In Bamako, Śaṅkara Jayantī 1966 falls on Monday 25 April. Pañcamī runs from 20:53 on Sun 24 Apr to 19:55 on Mon 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14116, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-04-26T18:33:08+00:00", "utc": "1966-04-26T18:33:08Z", "ms": -116227612116.14594 }, "end": { "local": "1966-04-27T16:48:55+00:00", "utc": "1966-04-27T16:48:55Z", "ms": -116147465420.39452 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-26T18:33:08+00:00", "utc": "1966-04-26T18:33:08Z", "ms": -116227612116.14594 }, "end": { "local": "1966-04-27T16:48:55+00:00", "utc": "1966-04-27T16:48:55Z", "ms": -116147465420.39452 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-26", "window": { "start": { "local": "1966-04-26T12:05:48+00:00", "utc": "1966-04-26T12:05:48Z", "ms": -116250852035.82281 }, "end": { "local": "1966-04-26T12:53:48+00:00", "utc": "1966-04-26T12:53:48Z", "ms": -116247972035.82281 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-27", "window": { "start": { "local": "1966-04-27T12:05:38+00:00", "utc": "1966-04-27T12:05:38Z", "ms": -116164461837.45612 }, "end": { "local": "1966-04-27T12:53:38+00:00", "utc": "1966-04-27T12:53:38Z", "ms": -116161581837.45612 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:33 on Tue 26 Apr to 16:49 on Wed 27 Apr.", "fact": "1966-04-26T18:33:08Z → 1966-04-27T16:48:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 26th, 12:06–12:54 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14116 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Bamako, 1966: Wednesday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-27", "confidence": "determinate" } ], "quote": "In Bamako, Gaṅgotpatti (Ganga Saptami) 1966 falls on Wednesday 27 April. Saptamī runs from 18:33 on Tue 26 Apr to 16:49 on Wed 27 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-05-01", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3098, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-30T09:47:04+00:00", "utc": "1966-04-30T09:47:04Z", "ms": -115913576113.9762 }, "end": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-30T09:47:04+00:00", "utc": "1966-04-30T09:47:04Z", "ms": -115913576113.9762 }, "end": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-30", "window": { "start": { "local": "1966-04-30T06:12:26+00:00", "utc": "1966-04-30T06:12:26Z", "ms": -115926454138.51764 }, "end": { "local": "1966-04-30T06:12:26+00:00", "utc": "1966-04-30T06:12:26Z", "ms": -115926454138.51764 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T06:12:00+00:00", "utc": "1966-05-01T06:12:00Z", "ms": -115840079961.85408 }, "end": { "local": "1966-05-01T06:12:00+00:00", "utc": "1966-05-01T06:12:00Z", "ms": -115840079961.85408 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:47 on Sat 30 Apr to 07:04 on Sun 1 May.", "fact": "1966-04-30T09:47:04Z → 1966-05-01T07:03:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 30th and 06:12 on the 1st.", "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 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3098 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Bamako, 1966: Sunday 1 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": "1966-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-01", "confidence": "determinate" } ], "quote": "In Bamako, Mohinī Ekādaśī 1966 falls on Sunday 1 May. Ekādaśī runs from 09:47 on Sat 30 Apr to 07:04 on Sun 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-05-01", "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/1966/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18085, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T12:05:04+00:00", "utc": "1966-05-01T12:05:04Z", "ms": -115818896141.27322 }, "end": { "local": "1966-05-01T12:53:04+00:00", "utc": "1966-05-01T12:53:04Z", "ms": -115816016141.27322 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T12:04:57+00:00", "utc": "1966-05-02T12:04:57Z", "ms": -115732503442.7733 }, "end": { "local": "1966-05-02T12:52:57+00:00", "utc": "1966-05-02T12:52:57Z", "ms": -115729623442.7733 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:04 on Sun 1 May to 04:18 on Mon 2 May.", "fact": "1966-05-01T07:03:38Z → 1966-05-02T04:18:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 1st, 12:05–12:53 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18085 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Bamako, 1966: Sunday 1 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": "1966-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-01", "confidence": "determinate" } ], "quote": "In Bamako, Paraśurāma Dvādaśī 1966 falls on Sunday 1 May. Dvādaśī runs from 07:04 on Sun 1 May to 04:18 on Mon 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18085, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-01T07:03:38+00:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T12:05:04+00:00", "utc": "1966-05-01T12:05:04Z", "ms": -115818896141.27322 }, "end": { "local": "1966-05-01T12:53:04+00:00", "utc": "1966-05-01T12:53:04Z", "ms": -115816016141.27322 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T12:04:57+00:00", "utc": "1966-05-02T12:04:57Z", "ms": -115732503442.7733 }, "end": { "local": "1966-05-02T12:52:57+00:00", "utc": "1966-05-02T12:52:57Z", "ms": -115729623442.7733 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:04 on Sun 1 May to 04:18 on Mon 2 May.", "fact": "1966-05-01T07:03:38Z → 1966-05-02T04:18:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 1st, 12:05–12:53 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18085 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Bamako, 1966: Sunday 1 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": "1966-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-01", "confidence": "determinate" } ], "quote": "In Bamako, Rukmiṇī Dvādaśī 1966 falls on Sunday 1 May. Dvādaśī runs from 07:04 on Sun 1 May to 04:18 on Mon 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-05-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19197, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "end": { "local": "1966-05-03T01:37:34+00:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-02T04:18:11+00:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "end": { "local": "1966-05-03T01:37:34+00:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T18:46:08+00:00", "utc": "1966-05-01T18:46:08Z", "ms": -115794832320.69238 }, "end": { "local": "1966-05-01T20:17:31+00:00", "utc": "1966-05-01T20:17:31Z", "ms": -115789348688.82388 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T18:46:18+00:00", "utc": "1966-05-02T18:46:18Z", "ms": -115708421803.868 }, "end": { "local": "1966-05-02T20:17:37+00:00", "utc": "1966-05-02T20:17:37Z", "ms": -115702942827.5517 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:18 on Mon 2 May to 01:38 on Tue 3 May.", "fact": "1966-05-02T04:18:11Z → 1966-05-03T01:37:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:18 on the 1st, 18:46–20:18 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 1st and 91 of 91 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19197 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Monday 2 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": "1966-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-02", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Monday 2 May. Trayodaśī runs from 04:18 on Mon 2 May to 01:38 on Tue 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-05-02", "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/1966/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10286, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-05-03T01:37:34+00:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "end": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-03T01:37:34+00:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "end": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T18:46:18+00:00", "utc": "1966-05-02T18:46:18Z", "ms": -115708421803.868 }, "end": { "local": "1966-05-02T20:17:37+00:00", "utc": "1966-05-02T20:17:37Z", "ms": -115702942827.5517 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1966-05-03", "window": { "start": { "local": "1966-05-03T18:46:29+00:00", "utc": "1966-05-03T18:46:29Z", "ms": -115622010945.2869 }, "end": { "local": "1966-05-03T20:17:43+00:00", "utc": "1966-05-03T20:17:43Z", "ms": -115616536571.90039 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:38 on Tue 3 May to 23:09 on Tue 3 May.", "fact": "1966-05-03T01:37:34Z → 1966-05-03T23:09:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:18 on the 2nd, 18:46–20:18 on the 3rd.", "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 91 minutes on the 2nd and 91 of 91 on the 3rd.", "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 10286 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Bamako, 1966: Tuesday 3 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": "1966-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-03", "confidence": "determinate" } ], "quote": "In Bamako, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1966 falls on Tuesday 3 May. Caturdaśī runs from 01:38 on Tue 3 May to 23:09 on Tue 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29264, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-04T21:00:28+00:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-04T21:00:28+00:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-03", "window": { "start": { "local": "1966-05-03T12:04:50+00:00", "utc": "1966-05-03T12:04:50Z", "ms": -115646110213.39131 }, "end": { "local": "1966-05-03T12:52:50+00:00", "utc": "1966-05-03T12:52:50Z", "ms": -115643230213.39131 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-04", "window": { "start": { "local": "1966-05-04T12:04:44+00:00", "utc": "1966-05-04T12:04:44Z", "ms": -115559716442.50772 }, "end": { "local": "1966-05-04T12:52:44+00:00", "utc": "1966-05-04T12:52:44Z", "ms": -115556836442.50772 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:09 on Tue 3 May to 21:00 on Wed 4 May.", "fact": "1966-05-03T23:09:09Z → 1966-05-04T21:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 3rd, 12:05–12:53 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 29264 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Bamako, 1966: Wednesday 4 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": "1966-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-04", "confidence": "determinate" } ], "quote": "In Bamako, Buddha Pūrṇimā 1966 falls on Wednesday 4 May. Pūrṇimā runs from 23:09 on Tue 3 May to 21:00 on Wed 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29264, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-04T21:00:28+00:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-03T23:09:09+00:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-04T21:00:28+00:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-03", "window": { "start": { "local": "1966-05-03T12:04:50+00:00", "utc": "1966-05-03T12:04:50Z", "ms": -115646110213.39131 }, "end": { "local": "1966-05-03T12:52:50+00:00", "utc": "1966-05-03T12:52:50Z", "ms": -115643230213.39131 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-04", "window": { "start": { "local": "1966-05-04T12:04:44+00:00", "utc": "1966-05-04T12:04:44Z", "ms": -115559716442.50772 }, "end": { "local": "1966-05-04T12:52:44+00:00", "utc": "1966-05-04T12:52:44Z", "ms": -115556836442.50772 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:09 on Tue 3 May to 21:00 on Wed 4 May.", "fact": "1966-05-03T23:09:09Z → 1966-05-04T21:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 3rd, 12:05–12:53 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "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 29264 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Bamako, 1966: Wednesday 4 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": "1966-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-04", "confidence": "determinate" } ], "quote": "In Bamako, Sampat Gaurī Vrata 1966 falls on Wednesday 4 May. Pūrṇimā runs from 23:09 on Tue 3 May to 21:00 on Wed 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-05-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14051, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-05-07T17:40:33+00:00", "utc": "1966-05-07T17:40:33Z", "ms": -115280366714.20312 }, "end": { "local": "1966-05-08T17:51:50+00:00", "utc": "1966-05-08T17:51:50Z", "ms": -115193289752.45798 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-07T17:40:33+00:00", "utc": "1966-05-07T17:40:33Z", "ms": -115280366714.20312 }, "end": { "local": "1966-05-08T17:51:50+00:00", "utc": "1966-05-08T17:51:50Z", "ms": -115193289752.45798 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-05-07", "window": { "start": { "local": "1966-05-07T21:34:44+00:00", "utc": "1966-05-07T21:34:44Z", "ms": -115266316074.77528 }, "end": { "local": "1966-05-07T21:34:44+00:00", "utc": "1966-05-07T21:34:44Z", "ms": -115266316074.77528 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-05-08", "window": { "start": { "local": "1966-05-08T22:30:58+00:00", "utc": "1966-05-08T22:30:58Z", "ms": -115176542391.74382 }, "end": { "local": "1966-05-08T22:30:58+00:00", "utc": "1966-05-08T22:30:58Z", "ms": -115176542391.74382 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:41 on Sat 7 May to 17:52 on Sun 8 May.", "fact": "1966-05-07T17:40:33Z → 1966-05-08T17:51:50Z" }, { "step": "kaala", "text": "Moonrise is at 21:35 on the 7th and 22:31 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14051 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Saturday 7 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": "1966-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-07", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Saturday 7 May. Caturthī runs from 17:41 on Sat 7 May to 17:52 on Sun 8 May and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-05-16", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3405, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-05-15T05:07:05+00:00", "utc": "1966-05-15T05:07:05Z", "ms": -114634374963.5283 }, "end": { "local": "1966-05-16T07:03:50+00:00", "utc": "1966-05-16T07:03:50Z", "ms": -114540969620.36116 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-15T05:07:05+00:00", "utc": "1966-05-15T05:07:05Z", "ms": -114634374963.5283 }, "end": { "local": "1966-05-16T07:03:50+00:00", "utc": "1966-05-16T07:03:50Z", "ms": -114540969620.36116 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-05-15", "window": { "start": { "local": "1966-05-15T06:07:19+00:00", "utc": "1966-05-15T06:07:19Z", "ms": -114630760915.73944 }, "end": { "local": "1966-05-15T06:07:19+00:00", "utc": "1966-05-15T06:07:19Z", "ms": -114630760915.73944 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-05-16", "window": { "start": { "local": "1966-05-16T06:07:05+00:00", "utc": "1966-05-16T06:07:05Z", "ms": -114544374772.1984 }, "end": { "local": "1966-05-16T06:07:05+00:00", "utc": "1966-05-16T06:07:05Z", "ms": -114544374772.1984 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:07 on Sun 15 May to 07:04 on Mon 16 May.", "fact": "1966-05-15T05:07:05Z → 1966-05-16T07:03:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 15th and 06:07 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 3405 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Bamako, 1966: Monday 16 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": "1966-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-16", "confidence": "determinate" } ], "quote": "In Bamako, Aparā Ekādaśī 1966 falls on Monday 16 May. Ekādaśī runs from 05:07 on Sun 15 May to 07:04 on Mon 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-05-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33568, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-17T08:33:21+00:00", "utc": "1966-05-17T08:33:21Z", "ms": -114449199301.54309 }, "end": { "local": "1966-05-18T09:30:25+00:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-17T08:33:21+00:00", "utc": "1966-05-17T08:33:21Z", "ms": -114449199301.54309 }, "end": { "local": "1966-05-18T09:30:25+00:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-17", "window": { "start": { "local": "1966-05-17T18:49:37+00:00", "utc": "1966-05-17T18:49:37Z", "ms": -114412222594.40305 }, "end": { "local": "1966-05-17T20:19:54+00:00", "utc": "1966-05-17T20:19:54Z", "ms": -114406806234.33105 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1966-05-18", "window": { "start": { "local": "1966-05-18T18:49:53+00:00", "utc": "1966-05-18T18:49:53Z", "ms": -114325806751.13828 }, "end": { "local": "1966-05-18T20:20:06+00:00", "utc": "1966-05-18T20:20:06Z", "ms": -114320394005.39862 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:33 on Tue 17 May to 09:30 on Wed 18 May.", "fact": "1966-05-17T08:33:21Z → 1966-05-18T09:30:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:20 on the 17th, 18:50–20:20 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 33568 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Tuesday 17 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": "1966-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-17", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Tuesday 17 May. Trayodaśī runs from 08:33 on Tue 17 May to 09:30 on Wed 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-05-17", "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/1966/shivaratri?on=1966-05-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31097, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-05-18T09:30:25+00:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "end": { "local": "1966-05-19T09:53:08+00:00", "utc": "1966-05-19T09:53:08Z", "ms": -114271611568.34929 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-18T09:30:25+00:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "end": { "local": "1966-05-19T09:53:08+00:00", "utc": "1966-05-19T09:53:08Z", "ms": -114271611568.34929 } }, "kaala": "nishita", "days": [ { "local_date": "1966-05-17", "window": { "start": { "local": "1966-05-18T00:04:09+00:00", "utc": "1966-05-18T00:04:09Z", "ms": -114393351244.1331 }, "end": { "local": "1966-05-18T00:52:09+00:00", "utc": "1966-05-18T00:52:09Z", "ms": -114390471244.1331 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-18", "window": { "start": { "local": "1966-05-19T00:04:11+00:00", "utc": "1966-05-19T00:04:11Z", "ms": -114306948954.61456 }, "end": { "local": "1966-05-19T00:52:11+00:00", "utc": "1966-05-19T00:52:11Z", "ms": -114304068954.61456 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:30 on Wed 18 May to 09:53 on Thu 19 May.", "fact": "1966-05-18T09:30:25Z → 1966-05-19T09:53:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 17th, 00:04–00:52 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31097 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Wednesday 18 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": "1966-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-18", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Wednesday 18 May. Caturdaśī runs from 09:30 on Wed 18 May to 09:53 on Thu 19 May and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-05-18", "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/1966/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15181, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-05-22T07:51:29+00:00", "utc": "1966-05-22T07:51:29Z", "ms": -114019711467.20358 }, "end": { "local": "1966-05-23T06:20:01+00:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-22T07:51:29+00:00", "utc": "1966-05-22T07:51:29Z", "ms": -114019711467.20358 }, "end": { "local": "1966-05-23T06:20:01+00:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-22", "window": { "start": { "local": "1966-05-22T12:04:30+00:00", "utc": "1966-05-22T12:04:30Z", "ms": -114004530373.76456 }, "end": { "local": "1966-05-22T12:52:30+00:00", "utc": "1966-05-22T12:52:30Z", "ms": -114001650373.76456 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-23", "window": { "start": { "local": "1966-05-23T12:04:34+00:00", "utc": "1966-05-23T12:04:34Z", "ms": -113918125813.29349 }, "end": { "local": "1966-05-23T12:52:34+00:00", "utc": "1966-05-23T12:52:34Z", "ms": -113915245813.29349 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:51 on Sun 22 May to 06:20 on Mon 23 May.", "fact": "1966-05-22T07:51:29Z → 1966-05-23T06:20:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 22nd, 12:05–12:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15181 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Bamako, 1966: Sunday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-22", "confidence": "determinate" } ], "quote": "In Bamako, Rambhā Tṛtīyā 1966 falls on Sunday 22 May. Tṛtīyā runs from 07:51 on Sun 22 May to 06:20 on Mon 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-05-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20673, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-05-23T06:20:01+00:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "end": { "local": "1966-05-24T04:30:42+00:00", "utc": "1966-05-24T04:30:42Z", "ms": -113858958147.18144 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-23T06:20:01+00:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "end": { "local": "1966-05-24T04:30:42+00:00", "utc": "1966-05-24T04:30:42Z", "ms": -113858958147.18144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-23", "window": { "start": { "local": "1966-05-23T12:04:34+00:00", "utc": "1966-05-23T12:04:34Z", "ms": -113918125813.29349 }, "end": { "local": "1966-05-23T12:52:34+00:00", "utc": "1966-05-23T12:52:34Z", "ms": -113915245813.29349 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-24", "window": { "start": { "local": "1966-05-24T12:04:39+00:00", "utc": "1966-05-24T12:04:39Z", "ms": -113831720749.45633 }, "end": { "local": "1966-05-24T12:52:39+00:00", "utc": "1966-05-24T12:52:39Z", "ms": -113828840749.45633 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:20 on Mon 23 May to 04:31 on Tue 24 May.", "fact": "1966-05-23T06:20:01Z → 1966-05-24T04:30:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20673 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Monday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-23", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Monday 23 May. Caturthī runs from 06:20 on Mon 23 May to 04:31 on Tue 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34602, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-05-25T02:28:03+00:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T00:16:20+00:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-25T02:28:03+00:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T00:16:20+00:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-25", "window": { "start": { "local": "1966-05-25T12:04:45+00:00", "utc": "1966-05-25T12:04:45Z", "ms": -113745315195.93567 }, "end": { "local": "1966-05-25T12:52:45+00:00", "utc": "1966-05-25T12:52:45Z", "ms": -113742435195.93567 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-26", "window": { "start": { "local": "1966-05-26T12:04:51+00:00", "utc": "1966-05-26T12:04:51Z", "ms": -113658909166.2551 }, "end": { "local": "1966-05-26T12:52:51+00:00", "utc": "1966-05-26T12:52:51Z", "ms": -113656029166.2551 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:28 on Wed 25 May to 00:16 on Thu 26 May.", "fact": "1966-05-25T02:28:03Z → 1966-05-26T00:16:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34602 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Bamako, 1966: Wednesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-25", "confidence": "determinate" } ], "quote": "In Bamako, Araṇya Gaurī Vrata 1966 falls on Wednesday 25 May. Ṣaṣṭhī runs from 02:28 on Wed 25 May to 00:16 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34602, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-05-25T02:28:03+00:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T00:16:20+00:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-25T02:28:03+00:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T00:16:20+00:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-25", "window": { "start": { "local": "1966-05-25T12:04:45+00:00", "utc": "1966-05-25T12:04:45Z", "ms": -113745315195.93567 }, "end": { "local": "1966-05-25T12:52:45+00:00", "utc": "1966-05-25T12:52:45Z", "ms": -113742435195.93567 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-26", "window": { "start": { "local": "1966-05-26T12:04:51+00:00", "utc": "1966-05-26T12:04:51Z", "ms": -113658909166.2551 }, "end": { "local": "1966-05-26T12:52:51+00:00", "utc": "1966-05-26T12:52:51Z", "ms": -113656029166.2551 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:28 on Wed 25 May to 00:16 on Thu 26 May.", "fact": "1966-05-25T02:28:03Z → 1966-05-26T00:16:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34602 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Bamako, 1966: Wednesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-25", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1966 falls on Wednesday 25 May. Ṣaṣṭhī runs from 02:28 on Wed 25 May to 00:16 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-05-30", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25461, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-05-29T15:12:44+00:00", "utc": "1966-05-29T15:12:44Z", "ms": -113388436373.73048 }, "end": { "local": "1966-05-30T13:09:42+00:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-29T15:12:44+00:00", "utc": "1966-05-29T15:12:44Z", "ms": -113388436373.73048 }, "end": { "local": "1966-05-30T13:09:42+00:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-05-29", "window": { "start": { "local": "1966-05-29T06:05:23+00:00", "utc": "1966-05-29T06:05:23Z", "ms": -113421277168.67107 }, "end": { "local": "1966-05-29T06:05:23+00:00", "utc": "1966-05-29T06:05:23Z", "ms": -113421277168.67107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-05-30", "window": { "start": { "local": "1966-05-30T06:05:21+00:00", "utc": "1966-05-30T06:05:21Z", "ms": -113334879236.40166 }, "end": { "local": "1966-05-30T06:05:21+00:00", "utc": "1966-05-30T06:05:21Z", "ms": -113334879236.40166 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:13 on Sun 29 May to 13:10 on Mon 30 May.", "fact": "1966-05-29T15:12:44Z → 1966-05-30T13:09:42Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 29th and 06:05 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25461 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Bamako, 1966: Monday 30 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": "1966-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-30", "confidence": "determinate" } ], "quote": "In Bamako, Nirjalā Ekādaśī 1966 falls on Monday 30 May. Ekādaśī runs from 15:13 on Sun 29 May to 13:10 on Mon 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 982, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-30T13:09:42+00:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "end": { "local": "1966-05-31T11:18:52+00:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-30T13:09:42+00:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "end": { "local": "1966-05-31T11:18:52+00:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-30", "window": { "start": { "local": "1966-05-30T12:05:19+00:00", "utc": "1966-05-30T12:05:19Z", "ms": -113313280540.56421 }, "end": { "local": "1966-05-30T12:53:19+00:00", "utc": "1966-05-30T12:53:19Z", "ms": -113310400540.56421 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-31", "window": { "start": { "local": "1966-05-31T12:05:28+00:00", "utc": "1966-05-31T12:05:28Z", "ms": -113226872316.93855 }, "end": { "local": "1966-05-31T12:53:28+00:00", "utc": "1966-05-31T12:53:28Z", "ms": -113223992316.93855 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:10 on Mon 30 May to 11:19 on Tue 31 May.", "fact": "1966-05-30T13:09:42Z → 1966-05-31T11:18:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 30th, 12:05–12:53 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 982 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Bamako, 1966: Tuesday 31 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-30", "confidence": "determinate" } ], "quote": "In Bamako, Śrī Rāma Dvādaśī 1966 falls on Tuesday 31 May. Dvādaśī runs from 13:10 on Mon 30 May to 11:19 on Tue 31 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-05-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27284, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-31T11:18:52+00:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "end": { "local": "1966-06-01T09:44:11+00:00", "utc": "1966-06-01T09:44:11Z", "ms": -113148949194.54811 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-31T11:18:52+00:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "end": { "local": "1966-06-01T09:44:11+00:00", "utc": "1966-06-01T09:44:11Z", "ms": -113148949194.54811 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-31", "window": { "start": { "local": "1966-05-31T18:53:36+00:00", "utc": "1966-05-31T18:53:36Z", "ms": -113202384129.97807 }, "end": { "local": "1966-05-31T20:23:10+00:00", "utc": "1966-05-31T20:23:10Z", "ms": -113197010376.26776 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1966-06-01", "window": { "start": { "local": "1966-06-01T18:53:54+00:00", "utc": "1966-06-01T18:53:54Z", "ms": -113115966401.59734 }, "end": { "local": "1966-06-01T20:23:25+00:00", "utc": "1966-06-01T20:23:25Z", "ms": -113110594969.72372 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:19 on Tue 31 May to 09:44 on Wed 1 Jun.", "fact": "1966-05-31T11:18:52Z → 1966-06-01T09:44:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:23 on the 31st, 18:54–20:23 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 90 of 90 minutes on the 31st and 0 of 90 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 27284 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Tuesday 31 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": "1966-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-31", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Tuesday 31 May. Trayodaśī runs from 11:19 on Tue 31 May to 09:44 on Wed 1 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-05-31", "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/1966/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37459, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-06-02T08:29:52+00:00", "utc": "1966-06-02T08:29:52Z", "ms": -113067008110.13585 }, "end": { "local": "1966-06-03T07:40:12+00:00", "utc": "1966-06-03T07:40:12Z", "ms": -112983587810.26422 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-02T08:29:52+00:00", "utc": "1966-06-02T08:29:52Z", "ms": -113067008110.13585 }, "end": { "local": "1966-06-03T07:40:12+00:00", "utc": "1966-06-03T07:40:12Z", "ms": -112983587810.26422 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-02", "window": { "start": { "local": "1966-06-02T18:54:11+00:00", "utc": "1966-06-02T18:54:11Z", "ms": -113029548676.58293 }, "end": { "local": "1966-06-02T20:23:41+00:00", "utc": "1966-06-02T20:23:41Z", "ms": -113024179461.98642 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1966-06-03", "window": { "start": { "local": "1966-06-03T18:54:29+00:00", "utc": "1966-06-03T18:54:29Z", "ms": -112943130972.41866 }, "end": { "local": "1966-06-03T20:23:56+00:00", "utc": "1966-06-03T20:23:56Z", "ms": -112937763869.23682 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:30 on Thu 2 Jun to 07:40 on Fri 3 Jun.", "fact": "1966-06-02T08:29:52Z → 1966-06-03T07:40:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:24 on the 2nd, 18:54–20:24 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 89 of 89 minutes on the 2nd and 0 of 89 on the 3rd.", "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 37459 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Bamako, 1966: Thursday 2 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": "1966-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-02", "confidence": "determinate" } ], "quote": "In Bamako, Vaṭa Sāvitrī Vrata 1966 falls on Thursday 2 June. Pūrṇimā runs from 08:30 on Thu 2 Jun to 07:40 on Fri 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-06-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39688, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-06-06T08:14:35+00:00", "utc": "1966-06-06T08:14:35Z", "ms": -112722325020.6411 }, "end": { "local": "1966-06-07T09:32:00+00:00", "utc": "1966-06-07T09:32:00Z", "ms": -112631279755.01491 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-06T08:14:35+00:00", "utc": "1966-06-06T08:14:35Z", "ms": -112722325020.6411 }, "end": { "local": "1966-06-07T09:32:00+00:00", "utc": "1966-06-07T09:32:00Z", "ms": -112631279755.01491 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-06-05", "window": { "start": { "local": "1966-06-05T21:13:07+00:00", "utc": "1966-06-05T21:13:07Z", "ms": -112762013064.3054 }, "end": { "local": "1966-06-05T21:13:07+00:00", "utc": "1966-06-05T21:13:07Z", "ms": -112762013064.3054 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-06-06", "window": { "start": { "local": "1966-06-06T22:04:11+00:00", "utc": "1966-06-06T22:04:11Z", "ms": -112672548879.0229 }, "end": { "local": "1966-06-06T22:04:11+00:00", "utc": "1966-06-06T22:04:11Z", "ms": -112672548879.0229 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:15 on Mon 6 Jun to 09:32 on Tue 7 Jun.", "fact": "1966-06-06T08:14:35Z → 1966-06-07T09:32:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:13 on the 5th and 22:04 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39688 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Monday 6 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": "1966-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-06", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Monday 6 June. Caturthī runs from 08:15 on Mon 6 Jun to 09:32 on Tue 7 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-06-14", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26213, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-06-13T21:48:02+00:00", "utc": "1966-06-13T21:48:02Z", "ms": -112068718176.57764 }, "end": { "local": "1966-06-14T22:49:38+00:00", "utc": "1966-06-14T22:49:38Z", "ms": -111978622369.96794 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-13T21:48:02+00:00", "utc": "1966-06-13T21:48:02Z", "ms": -112068718176.57764 }, "end": { "local": "1966-06-14T22:49:38+00:00", "utc": "1966-06-14T22:49:38Z", "ms": -111978622369.96794 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-06-14", "window": { "start": { "local": "1966-06-14T06:06:21+00:00", "utc": "1966-06-14T06:06:21Z", "ms": -112038819004.10487 }, "end": { "local": "1966-06-14T06:06:21+00:00", "utc": "1966-06-14T06:06:21Z", "ms": -112038819004.10487 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-06-15", "window": { "start": { "local": "1966-06-15T06:06:31+00:00", "utc": "1966-06-15T06:06:31Z", "ms": -111952409472.80794 }, "end": { "local": "1966-06-15T06:06:31+00:00", "utc": "1966-06-15T06:06:31Z", "ms": -111952409472.80794 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:48 on Mon 13 Jun to 22:50 on Tue 14 Jun.", "fact": "1966-06-13T21:48:02Z → 1966-06-14T22:49:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 14th and 06:07 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 26213 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Bamako, 1966: Tuesday 14 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": "1966-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-14", "confidence": "determinate" } ], "quote": "In Bamako, Yoginī Ekādaśī 1966 falls on Tuesday 14 June. Ekādaśī runs from 21:48 on Mon 13 Jun to 22:50 on Tue 14 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-06-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8458, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-06-15T23:10:08+00:00", "utc": "1966-06-15T23:10:08Z", "ms": -111890992265.82098 }, "end": { "local": "1966-06-16T22:48:15+00:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-15T23:10:08+00:00", "utc": "1966-06-15T23:10:08Z", "ms": -111890992265.82098 }, "end": { "local": "1966-06-16T22:48:15+00:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-15", "window": { "start": { "local": "1966-06-15T18:57:52+00:00", "utc": "1966-06-15T18:57:52Z", "ms": -111906127657.05157 }, "end": { "local": "1966-06-15T20:27:03+00:00", "utc": "1966-06-15T20:27:03Z", "ms": -111900777216.63173 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1966-06-16", "window": { "start": { "local": "1966-06-16T18:58:08+00:00", "utc": "1966-06-16T18:58:08Z", "ms": -111819712192.13184 }, "end": { "local": "1966-06-16T20:27:18+00:00", "utc": "1966-06-16T20:27:18Z", "ms": -111814362389.37627 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:10 on Wed 15 Jun to 22:48 on Thu 16 Jun.", "fact": "1966-06-15T23:10:08Z → 1966-06-16T22:48:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:27 on the 15th, 18:58–20:27 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 89 minutes on the 15th and 89 of 89 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 8458 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Thursday 16 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": "1966-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-16", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 16 June. Trayodaśī runs from 23:10 on Wed 15 Jun to 22:48 on Thu 16 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-06-16", "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/1966/shivaratri?on=1966-06-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4814, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-06-16T22:48:15+00:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "end": { "local": "1966-06-17T21:46:12+00:00", "utc": "1966-06-17T21:46:12Z", "ms": -111723228222.23705 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-16T22:48:15+00:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "end": { "local": "1966-06-17T21:46:12+00:00", "utc": "1966-06-17T21:46:12Z", "ms": -111723228222.23705 } }, "kaala": "nishita", "days": [ { "local_date": "1966-06-16", "window": { "start": { "local": "1966-06-17T00:08:30+00:00", "utc": "1966-06-17T00:08:30Z", "ms": -111801090431.79843 }, "end": { "local": "1966-06-17T00:56:30+00:00", "utc": "1966-06-17T00:56:30Z", "ms": -111798210431.79843 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-06-17", "window": { "start": { "local": "1966-06-18T00:08:43+00:00", "utc": "1966-06-18T00:08:43Z", "ms": -111714677264.3327 }, "end": { "local": "1966-06-18T00:56:43+00:00", "utc": "1966-06-18T00:56:43Z", "ms": -111711797264.3327 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:48 on Thu 16 Jun to 21:46 on Fri 17 Jun.", "fact": "1966-06-16T22:48:15Z → 1966-06-17T21:46:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 16th, 00:09–00:57 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4814 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Thursday 16 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": "1966-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-16", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Thursday 16 June. Caturdaśī runs from 22:48 on Thu 16 Jun to 21:46 on Fri 17 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-06-16", "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/1966/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9492, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-06-19T18:02:40+00:00", "utc": "1966-06-19T18:02:40Z", "ms": -111563839671.85411 }, "end": { "local": "1966-06-20T15:35:28+00:00", "utc": "1966-06-20T15:35:28Z", "ms": -111486271553.98734 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-19T18:02:40+00:00", "utc": "1966-06-19T18:02:40Z", "ms": -111563839671.85411 }, "end": { "local": "1966-06-20T15:35:28+00:00", "utc": "1966-06-20T15:35:28Z", "ms": -111486271553.98734 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-19", "window": { "start": { "local": "1966-06-19T12:09:03+00:00", "utc": "1966-06-19T12:09:03Z", "ms": -111585056868.3292 }, "end": { "local": "1966-06-19T12:57:03+00:00", "utc": "1966-06-19T12:57:03Z", "ms": -111582176868.3292 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-06-20", "window": { "start": { "local": "1966-06-20T12:09:16+00:00", "utc": "1966-06-20T12:09:16Z", "ms": -111498643818.12695 }, "end": { "local": "1966-06-20T12:57:16+00:00", "utc": "1966-06-20T12:57:16Z", "ms": -111495763818.12695 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:03 on Sun 19 Jun to 15:35 on Mon 20 Jun.", "fact": "1966-06-19T18:02:40Z → 1966-06-20T15:35:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 19th, 12:09–12:57 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 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 9492 s" }, { "step": "ruling", "text": "Rathayātrā, Bamako, 1966: Monday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-20", "confidence": "determinate" } ], "quote": "In Bamako, Rathayātrā 1966 falls on Monday 20 June. Dvitīyā runs from 18:03 on Sun 19 Jun to 15:35 on Mon 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-06-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 139, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-06-21T12:55:10+00:00", "utc": "1966-06-21T12:55:10Z", "ms": -111409489528.07985 }, "end": { "local": "1966-06-22T10:09:34+00:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-21T12:55:10+00:00", "utc": "1966-06-21T12:55:10Z", "ms": -111409489528.07985 }, "end": { "local": "1966-06-22T10:09:34+00:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-21", "window": { "start": { "local": "1966-06-21T12:09:29+00:00", "utc": "1966-06-21T12:09:29Z", "ms": -111412230775.463 }, "end": { "local": "1966-06-21T12:57:29+00:00", "utc": "1966-06-21T12:57:29Z", "ms": -111409350775.463 } }, "covered_min": 2, "window_min": 48, "qualifies": true }, { "local_date": "1966-06-22", "window": { "start": { "local": "1966-06-22T12:09:42+00:00", "utc": "1966-06-22T12:09:42Z", "ms": -111325817769.17114 }, "end": { "local": "1966-06-22T12:57:42+00:00", "utc": "1966-06-22T12:57:42Z", "ms": -111322937769.17114 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:55 on Tue 21 Jun to 10:10 on Wed 22 Jun.", "fact": "1966-06-21T12:55:10Z → 1966-06-22T10:09:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 2 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 139 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Tuesday 21 June.", "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": "1966-06-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-21", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Tuesday 21 June. Caturthī runs from 12:55 on Tue 21 Jun to 10:10 on Wed 22 Jun and covers 2 of 48 minutes of madhyāhna that midday. It is 2 min 19 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-06-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7208, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-06-22T10:09:34+00:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "end": { "local": "1966-06-23T07:25:49+00:00", "utc": "1966-06-23T07:25:49Z", "ms": -111256451205.13573 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-22T10:09:34+00:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "end": { "local": "1966-06-23T07:25:49+00:00", "utc": "1966-06-23T07:25:49Z", "ms": -111256451205.13573 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-22", "window": { "start": { "local": "1966-06-22T12:09:42+00:00", "utc": "1966-06-22T12:09:42Z", "ms": -111325817769.17114 }, "end": { "local": "1966-06-22T12:57:42+00:00", "utc": "1966-06-22T12:57:42Z", "ms": -111322937769.17114 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-06-23", "window": { "start": { "local": "1966-06-23T12:09:55+00:00", "utc": "1966-06-23T12:09:55Z", "ms": -111239404827.12317 }, "end": { "local": "1966-06-23T12:57:55+00:00", "utc": "1966-06-23T12:57:55Z", "ms": -111236524827.12317 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:10 on Wed 22 Jun to 07:26 on Thu 23 Jun.", "fact": "1966-06-22T10:09:34Z → 1966-06-23T07:25:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 22nd, 12:10–12:58 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7208 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Bamako, 1966: Wednesday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-22", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Pañcamī 1966 falls on Wednesday 22 June. Pañcamī runs from 10:10 on Wed 22 Jun to 07:26 on Thu 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26399, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-06-24T04:50:09+00:00", "utc": "1966-06-24T04:50:09Z", "ms": -111179391297.52942 }, "end": { "local": "1966-06-25T02:27:35+00:00", "utc": "1966-06-25T02:27:35Z", "ms": -111101544698.62543 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-24T04:50:09+00:00", "utc": "1966-06-24T04:50:09Z", "ms": -111179391297.52942 }, "end": { "local": "1966-06-25T02:27:35+00:00", "utc": "1966-06-25T02:27:35Z", "ms": -111101544698.62543 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-24", "window": { "start": { "local": "1966-06-24T12:10:08+00:00", "utc": "1966-06-24T12:10:08Z", "ms": -111152991975.8399 }, "end": { "local": "1966-06-24T12:58:08+00:00", "utc": "1966-06-24T12:58:08Z", "ms": -111150111975.8399 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-06-25", "window": { "start": { "local": "1966-06-25T12:10:21+00:00", "utc": "1966-06-25T12:10:21Z", "ms": -111066579240.30553 }, "end": { "local": "1966-06-25T12:58:21+00:00", "utc": "1966-06-25T12:58:21Z", "ms": -111063699240.30553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:50 on Fri 24 Jun to 02:28 on Sat 25 Jun.", "fact": "1966-06-24T04:50:09Z → 1966-06-25T02:27:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 24th, 12:10–12:58 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26399 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Bamako, 1966: Friday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-24", "confidence": "determinate" } ], "quote": "In Bamako, Vivasvat Saptamī 1966 falls on Friday 24 June. Saptamī runs from 04:50 on Fri 24 Jun to 02:28 on Sat 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-06-28", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32370, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-06-27T21:09:49+00:00", "utc": "1966-06-27T21:09:49Z", "ms": -110861411365.8179 }, "end": { "local": "1966-06-28T20:05:39+00:00", "utc": "1966-06-28T20:05:39Z", "ms": -110778860896.36487 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-27T21:09:49+00:00", "utc": "1966-06-27T21:09:49Z", "ms": -110861411365.8179 }, "end": { "local": "1966-06-28T20:05:39+00:00", "utc": "1966-06-28T20:05:39Z", "ms": -110778860896.36487 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-06-28", "window": { "start": { "local": "1966-06-28T06:09:18+00:00", "utc": "1966-06-28T06:09:18Z", "ms": -110829041759.33058 }, "end": { "local": "1966-06-28T06:09:18+00:00", "utc": "1966-06-28T06:09:18Z", "ms": -110829041759.33058 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-06-29", "window": { "start": { "local": "1966-06-29T06:09:34+00:00", "utc": "1966-06-29T06:09:34Z", "ms": -110742626423.2105 }, "end": { "local": "1966-06-29T06:09:34+00:00", "utc": "1966-06-29T06:09:34Z", "ms": -110742626423.2105 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:10 on Mon 27 Jun to 20:06 on Tue 28 Jun.", "fact": "1966-06-27T21:09:49Z → 1966-06-28T20:05:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 28th and 06:10 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32370 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Bamako, 1966: Tuesday 28 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": "1966-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-28", "confidence": "determinate" } ], "quote": "In Bamako, Hariśayanī Ekādaśī 1966 falls on Tuesday 28 June. Ekādaśī runs from 21:10 on Mon 27 Jun to 20:06 on Tue 28 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-06-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-06-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-06-29", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 179, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-06-29T19:23:29+00:00", "utc": "1966-06-29T19:23:29Z", "ms": -110694991243.71344 }, "end": { "local": "1966-06-30T19:03:53+00:00", "utc": "1966-06-30T19:03:53Z", "ms": -110609766760.06142 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-29T19:23:29+00:00", "utc": "1966-06-29T19:23:29Z", "ms": -110694991243.71344 }, "end": { "local": "1966-06-30T19:03:53+00:00", "utc": "1966-06-30T19:03:53Z", "ms": -110609766760.06142 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-29", "window": { "start": { "local": "1966-06-29T19:00:47+00:00", "utc": "1966-06-29T19:00:47Z", "ms": -110696353385.249 }, "end": { "local": "1966-06-29T20:29:59+00:00", "utc": "1966-06-29T20:29:59Z", "ms": -110691001048.65076 } }, "covered_min": 67, "window_min": 89, "qualifies": true }, { "local_date": "1966-06-30", "window": { "start": { "local": "1966-06-30T19:00:55+00:00", "utc": "1966-06-30T19:00:55Z", "ms": -110609945285.88774 }, "end": { "local": "1966-06-30T20:30:08+00:00", "utc": "1966-06-30T20:30:08Z", "ms": -110604591926.89291 } }, "covered_min": 3, "window_min": 89, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:23 on Wed 29 Jun to 19:04 on Thu 30 Jun.", "fact": "1966-06-29T19:23:29Z → 1966-06-30T19:03:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:30 on the 29th, 19:01–20:30 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 67 of 89 minutes on the 29th and 3 of 89 on the 30th.", "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 179 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Wednesday 29 June.", "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": "1966-06-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-29", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Wednesday 29 June. Trayodaśī runs from 19:23 on Wed 29 Jun to 19:04 on Thu 30 Jun and covers 67 of 89 minutes of pradoṣa that evening. It also reaches the next evening for 3 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 59 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-06-29", "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/1966/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-01", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 405, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T19:01:02+00:00", "utc": "1966-07-01T19:01:02Z", "ms": -110523537868.8697 }, "end": { "local": "1966-07-01T20:30:17+00:00", "utc": "1966-07-01T20:30:17Z", "ms": -110518183371.99098 } }, "covered_min": 82, "window_min": 89, "qualifies": true }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T19:01:09+00:00", "utc": "1966-07-02T19:01:09Z", "ms": -110437131148.44449 }, "end": { "local": "1966-07-02T20:30:25+00:00", "utc": "1966-07-02T20:30:25Z", "ms": -110431775399.07227 } }, "covered_min": 35, "window_min": 89, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:30 on the 1st, 19:01–20:30 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 82 of 89 minutes on the 1st and 35 of 89 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 405 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Bamako, 1966: Friday 1 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-01", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-01", "confidence": "boundary" } ], "quote": "In Bamako, Śiva Śayanotsava 1966 falls on Friday 1 July. Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul and covers 82 of 89 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/1966/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/1966/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37410, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "udaya-3", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T06:10:05+00:00", "utc": "1966-07-01T06:10:05Z", "ms": -110569795093.42648 }, "end": { "local": "1966-07-01T08:44:16+00:00", "utc": "1966-07-01T08:44:16Z", "ms": -110560543648.51512 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T06:10:21+00:00", "utc": "1966-07-02T06:10:21Z", "ms": -110483379142.27928 }, "end": { "local": "1966-07-02T08:44:30+00:00", "utc": "1966-07-02T08:44:30Z", "ms": -110474129543.51233 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:10–08:44 on the 1st, 06:10–08:45 on the 2nd.", "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 154 minutes on the 1st and 154 of 154 on the 2nd.", "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 37410 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Bamako, 1966: Saturday 2 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": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Bamako, Vyāsa Pūjā 1966 falls on Saturday 2 July. Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22093, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T12:11:34+00:00", "utc": "1966-07-01T12:11:34Z", "ms": -110548106481.1481 }, "end": { "local": "1966-07-01T12:59:34+00:00", "utc": "1966-07-01T12:59:34Z", "ms": -110545226481.1481 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T12:11:45+00:00", "utc": "1966-07-02T12:11:45Z", "ms": -110461695145.36188 }, "end": { "local": "1966-07-02T12:59:45+00:00", "utc": "1966-07-02T12:59:45Z", "ms": -110458815145.36188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 1st, 12:12–13:00 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22093 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Bamako, 1966: Saturday 2 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": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Bamako, Guru Pūrṇimā 1966 falls on Saturday 2 July. Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 405, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-01T19:07:47+00:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-02T19:36:18+00:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T16:26:51+00:00", "utc": "1966-07-01T16:26:51Z", "ms": -110532789313.78107 }, "end": { "local": "1966-07-01T19:01:02+00:00", "utc": "1966-07-01T19:01:02Z", "ms": -110523537868.8697 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T16:26:59+00:00", "utc": "1966-07-02T16:26:59Z", "ms": -110446380747.21144 }, "end": { "local": "1966-07-02T19:01:09+00:00", "utc": "1966-07-02T19:01:09Z", "ms": -110437131148.44449 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:27–19:01 on the 1st, 16:27–19:01 on the 2nd.", "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 154 minutes on the 1st and 154 of 154 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 405 s" }, { "step": "ruling", "text": "Kokilā Vrata, Bamako, 1966: Saturday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Bamako, Kokilā Vrata 1966 falls on Saturday 2 July. Pūrṇimā runs from 19:08 on Fri 1 Jul to 19:36 on Sat 2 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2060, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-07-03T20:30:32+00:00", "utc": "1966-07-03T20:30:32Z", "ms": -110345368149.26045 }, "end": { "local": "1966-07-04T21:50:46+00:00", "utc": "1966-07-04T21:50:46Z", "ms": -110254154404.3712 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-03T20:30:32+00:00", "utc": "1966-07-03T20:30:32Z", "ms": -110345368149.26045 }, "end": { "local": "1966-07-04T21:50:46+00:00", "utc": "1966-07-04T21:50:46Z", "ms": -110254154404.3712 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-07-03", "window": { "start": { "local": "1966-07-03T19:56:12+00:00", "utc": "1966-07-03T19:56:12Z", "ms": -110347428470.47002 }, "end": { "local": "1966-07-03T19:56:12+00:00", "utc": "1966-07-03T19:56:12Z", "ms": -110347428470.47002 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-04", "window": { "start": { "local": "1966-07-04T20:44:38+00:00", "utc": "1966-07-04T20:44:38Z", "ms": -110258122172.71286 }, "end": { "local": "1966-07-04T20:44:38+00:00", "utc": "1966-07-04T20:44:38Z", "ms": -110258122172.71286 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:31 on Sun 3 Jul to 21:51 on Mon 4 Jul.", "fact": "1966-07-03T20:30:32Z → 1966-07-04T21:50:46Z" }, { "step": "kaala", "text": "Moonrise is at 19:56 on the 3rd and 20:45 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2060 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Bamako, 1966: Monday 4 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": "1966-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-04", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata (Āṣāḍha) 1966 falls on Monday 4 July. Dvitīyā runs from 20:31 on Sun 3 Jul to 21:51 on Mon 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-07-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7616, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-07-05T23:35:43+00:00", "utc": "1966-07-05T23:35:43Z", "ms": -110161456761.07162 }, "end": { "local": "1966-07-07T01:41:41+00:00", "utc": "1966-07-07T01:41:41Z", "ms": -110067499488.36093 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-05T23:35:43+00:00", "utc": "1966-07-05T23:35:43Z", "ms": -110161456761.07162 }, "end": { "local": "1966-07-07T01:41:41+00:00", "utc": "1966-07-07T01:41:41Z", "ms": -110067499488.36093 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-07-05", "window": { "start": { "local": "1966-07-05T21:28:47+00:00", "utc": "1966-07-05T21:28:47Z", "ms": -110169072506.15012 }, "end": { "local": "1966-07-05T21:28:47+00:00", "utc": "1966-07-05T21:28:47Z", "ms": -110169072506.15012 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-06", "window": { "start": { "local": "1966-07-06T22:09:08+00:00", "utc": "1966-07-06T22:09:08Z", "ms": -110080251691.17839 }, "end": { "local": "1966-07-06T22:09:08+00:00", "utc": "1966-07-06T22:09:08Z", "ms": -110080251691.17839 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:36 on Tue 5 Jul to 01:42 on Thu 7 Jul.", "fact": "1966-07-05T23:35:43Z → 1966-07-07T01:41:41Z" }, { "step": "kaala", "text": "Moonrise is at 21:29 on the 5th and 22:09 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7616 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Wednesday 6 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": "1966-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-06", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Wednesday 6 July. Caturthī runs from 23:36 on Tue 5 Jul to 01:42 on Thu 7 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-07-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-07-14", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22303, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-07-13T12:35:12+00:00", "utc": "1966-07-13T12:35:12Z", "ms": -109509888430.17935 }, "end": { "local": "1966-07-14T12:25:22+00:00", "utc": "1966-07-14T12:25:22Z", "ms": -109424077523.05908 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-13T12:35:12+00:00", "utc": "1966-07-13T12:35:12Z", "ms": -109509888430.17935 }, "end": { "local": "1966-07-14T12:25:22+00:00", "utc": "1966-07-14T12:25:22Z", "ms": -109424077523.05908 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-07-13", "window": { "start": { "local": "1966-07-13T06:13:23+00:00", "utc": "1966-07-13T06:13:23Z", "ms": -109532797498.01239 }, "end": { "local": "1966-07-13T06:13:23+00:00", "utc": "1966-07-13T06:13:23Z", "ms": -109532797498.01239 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-14", "window": { "start": { "local": "1966-07-14T06:13:39+00:00", "utc": "1966-07-14T06:13:39Z", "ms": -109446380969.73767 }, "end": { "local": "1966-07-14T06:13:39+00:00", "utc": "1966-07-14T06:13:39Z", "ms": -109446380969.73767 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:35 on Wed 13 Jul to 12:25 on Thu 14 Jul.", "fact": "1966-07-13T12:35:12Z → 1966-07-14T12:25:22Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 13th and 06:14 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22303 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Bamako, 1966: Thursday 14 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": "1966-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-14", "confidence": "determinate" } ], "quote": "In Bamako, Kāmikā Ekādaśī 1966 falls on Thursday 14 July. Ekādaśī runs from 12:35 on Wed 13 Jul to 12:25 on Thu 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-07-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27256, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-07-15T11:27:11+00:00", "utc": "1966-07-15T11:27:11Z", "ms": -109341168902.47408 }, "end": { "local": "1966-07-16T09:43:58+00:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-15T11:27:11+00:00", "utc": "1966-07-15T11:27:11Z", "ms": -109341168902.47408 }, "end": { "local": "1966-07-16T09:43:58+00:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-15", "window": { "start": { "local": "1966-07-15T19:01:27+00:00", "utc": "1966-07-15T19:01:27Z", "ms": -109313912907.55466 }, "end": { "local": "1966-07-15T20:31:09+00:00", "utc": "1966-07-15T20:31:09Z", "ms": -109308530947.72333 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "1966-07-16", "window": { "start": { "local": "1966-07-16T19:01:23+00:00", "utc": "1966-07-16T19:01:23Z", "ms": -109227517215.48926 }, "end": { "local": "1966-07-16T20:31:07+00:00", "utc": "1966-07-16T20:31:07Z", "ms": -109222132523.08025 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:27 on Fri 15 Jul to 09:44 on Sat 16 Jul.", "fact": "1966-07-15T11:27:11Z → 1966-07-16T09:43:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:31 on the 15th, 19:01–20:31 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 15th and 0 of 90 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 27256 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Friday 15 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": "1966-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-15", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Friday 15 July. Trayodaśī runs from 11:27 on Fri 15 Jul to 09:44 on Sat 16 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/shivaratri?on=1966-07-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22812, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-07-16T09:43:58+00:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "end": { "local": "1966-07-17T07:22:07+00:00", "utc": "1966-07-17T07:22:07Z", "ms": -109183072545.84184 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-16T09:43:58+00:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "end": { "local": "1966-07-17T07:22:07+00:00", "utc": "1966-07-17T07:22:07Z", "ms": -109183072545.84184 } }, "kaala": "nishita", "days": [ { "local_date": "1966-07-15", "window": { "start": { "local": "1966-07-16T00:13:49+00:00", "utc": "1966-07-16T00:13:49Z", "ms": -109295170558.18718 }, "end": { "local": "1966-07-16T01:01:49+00:00", "utc": "1966-07-16T01:01:49Z", "ms": -109292290558.18718 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-07-16", "window": { "start": { "local": "1966-07-17T00:13:55+00:00", "utc": "1966-07-17T00:13:55Z", "ms": -109208764618.95544 }, "end": { "local": "1966-07-17T01:01:55+00:00", "utc": "1966-07-17T01:01:55Z", "ms": -109205884618.95544 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:44 on Sat 16 Jul to 07:22 on Sun 17 Jul.", "fact": "1966-07-16T09:43:58Z → 1966-07-17T07:22:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 15th, 00:14–01:02 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22812 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Saturday 16 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": "1966-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-16", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Saturday 16 July. Caturdaśī runs from 09:44 on Sat 16 Jul to 07:22 on Sun 17 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-07-16", "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/1966/vinayaka-chaturthi?on=1966-07-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8201, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-07-20T18:32:21+00:00", "utc": "1966-07-20T18:32:21Z", "ms": -108883659085.26122 }, "end": { "local": "1966-07-21T15:18:50+00:00", "utc": "1966-07-21T15:18:50Z", "ms": -108808869512.01651 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-20T18:32:21+00:00", "utc": "1966-07-20T18:32:21Z", "ms": -108883659085.26122 }, "end": { "local": "1966-07-21T15:18:50+00:00", "utc": "1966-07-21T15:18:50Z", "ms": -108808869512.01651 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-07-20", "window": { "start": { "local": "1966-07-20T12:14:06+00:00", "utc": "1966-07-20T12:14:06Z", "ms": -108906353877.01044 }, "end": { "local": "1966-07-20T13:02:06+00:00", "utc": "1966-07-20T13:02:06Z", "ms": -108903473877.01044 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-07-21", "window": { "start": { "local": "1966-07-21T12:14:09+00:00", "utc": "1966-07-21T12:14:09Z", "ms": -108819950548.70532 }, "end": { "local": "1966-07-21T13:02:09+00:00", "utc": "1966-07-21T13:02:09Z", "ms": -108817070548.70532 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:32 on Wed 20 Jul to 15:19 on Thu 21 Jul.", "fact": "1966-07-20T18:32:21Z → 1966-07-21T15:18:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 20th, 12:14–13:02 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8201 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Thursday 21 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": "1966-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-21", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Thursday 21 July. Caturthī runs from 18:32 on Wed 20 Jul to 15:19 on Thu 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-07-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-07-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4859, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-07-27T04:53:54+00:00", "utc": "1966-07-27T04:53:54Z", "ms": -108327965571.86183 }, "end": { "local": "1966-07-28T04:56:12+00:00", "utc": "1966-07-28T04:56:12Z", "ms": -108241428076.87968 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-27T04:53:54+00:00", "utc": "1966-07-27T04:53:54Z", "ms": -108327965571.86183 }, "end": { "local": "1966-07-28T04:56:12+00:00", "utc": "1966-07-28T04:56:12Z", "ms": -108241428076.87968 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-07-27", "window": { "start": { "local": "1966-07-27T06:16:57+00:00", "utc": "1966-07-27T06:16:57Z", "ms": -108322982528.77519 }, "end": { "local": "1966-07-27T06:16:57+00:00", "utc": "1966-07-27T06:16:57Z", "ms": -108322982528.77519 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-07-28", "window": { "start": { "local": "1966-07-28T06:17:11+00:00", "utc": "1966-07-28T06:17:11Z", "ms": -108236569189.58858 }, "end": { "local": "1966-07-28T06:17:11+00:00", "utc": "1966-07-28T06:17:11Z", "ms": -108236569189.58858 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:54 on Wed 27 Jul to 04:56 on Thu 28 Jul.", "fact": "1966-07-27T04:53:54Z → 1966-07-28T04:56:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 27th and 06:17 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 4859 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Bamako, 1966: Wednesday 27 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": "1966-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-27", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Ekādaśī 1966 falls on Wednesday 27 July. Ekādaśī runs from 04:54 on Wed 27 Jul to 04:56 on Thu 28 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-07-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32098, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-07-29T05:24:44+00:00", "utc": "1966-07-29T05:24:44Z", "ms": -108153316269.30223 }, "end": { "local": "1966-07-30T06:16:59+00:00", "utc": "1966-07-30T06:16:59Z", "ms": -108063781371.49274 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-29T05:24:44+00:00", "utc": "1966-07-29T05:24:44Z", "ms": -108153316269.30223 }, "end": { "local": "1966-07-30T06:16:59+00:00", "utc": "1966-07-30T06:16:59Z", "ms": -108063781371.49274 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-28", "window": { "start": { "local": "1966-07-28T18:59:21+00:00", "utc": "1966-07-28T18:59:21Z", "ms": -108190838681.12108 }, "end": { "local": "1966-07-28T20:29:46+00:00", "utc": "1966-07-28T20:29:46Z", "ms": -108185414348.65872 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1966-07-29", "window": { "start": { "local": "1966-07-29T18:59:05+00:00", "utc": "1966-07-29T18:59:05Z", "ms": -108104454671.01372 }, "end": { "local": "1966-07-29T20:29:33+00:00", "utc": "1966-07-29T20:29:33Z", "ms": -108099026518.77705 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:25 on Fri 29 Jul to 06:17 on Sat 30 Jul.", "fact": "1966-07-29T05:24:44Z → 1966-07-30T06:16:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:30 on the 28th, 18:59–20:30 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 0 of 90 minutes on the 28th and 90 of 90 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32098 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Friday 29 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": "1966-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-29", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Friday 29 July. Trayodaśī runs from 05:25 on Fri 29 Jul to 06:17 on Sat 30 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-07-29", "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/1966/sankashta-chaturthi?on=1966-08-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14269, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-08-04T15:29:57+00:00", "utc": "1966-08-04T15:29:57Z", "ms": -107598603331.14235 }, "end": { "local": "1966-08-05T17:58:04+00:00", "utc": "1966-08-05T17:58:04Z", "ms": -107503316033.3837 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-04T15:29:57+00:00", "utc": "1966-08-04T15:29:57Z", "ms": -107598603331.14235 }, "end": { "local": "1966-08-05T17:58:04+00:00", "utc": "1966-08-05T17:58:04Z", "ms": -107503316033.3837 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-08-04", "window": { "start": { "local": "1966-08-04T21:21:12+00:00", "utc": "1966-08-04T21:21:12Z", "ms": -107577528202.09807 }, "end": { "local": "1966-08-04T21:21:12+00:00", "utc": "1966-08-04T21:21:12Z", "ms": -107577528202.09807 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-08-05", "window": { "start": { "local": "1966-08-05T21:55:52+00:00", "utc": "1966-08-05T21:55:52Z", "ms": -107489047508.19427 }, "end": { "local": "1966-08-05T21:55:52+00:00", "utc": "1966-08-05T21:55:52Z", "ms": -107489047508.19427 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:30 on Thu 4 Aug to 17:58 on Fri 5 Aug.", "fact": "1966-08-04T15:29:57Z → 1966-08-05T17:58:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 4th and 21:56 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14269 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Thursday 4 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": "1966-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-04", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Thursday 4 August. Caturthī runs from 15:30 on Thu 4 Aug to 17:58 on Fri 5 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-08-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-08-12", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18564, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-08-12T01:10:24+00:00", "utc": "1966-08-12T01:10:24Z", "ms": -106958975716.71191 }, "end": { "local": "1966-08-12T23:47:39+00:00", "utc": "1966-08-12T23:47:39Z", "ms": -106877541107.97385 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-12T01:10:24+00:00", "utc": "1966-08-12T01:10:24Z", "ms": -106958975716.71191 }, "end": { "local": "1966-08-12T23:47:39+00:00", "utc": "1966-08-12T23:47:39Z", "ms": -106877541107.97385 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-08-12", "window": { "start": { "local": "1966-08-12T06:19:48+00:00", "utc": "1966-08-12T06:19:48Z", "ms": -106940411591.71077 }, "end": { "local": "1966-08-12T06:19:48+00:00", "utc": "1966-08-12T06:19:48Z", "ms": -106940411591.71077 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-08-13", "window": { "start": { "local": "1966-08-13T06:19:56+00:00", "utc": "1966-08-13T06:19:56Z", "ms": -106854003987.00519 }, "end": { "local": "1966-08-13T06:19:56+00:00", "utc": "1966-08-13T06:19:56Z", "ms": -106854003987.00519 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:10 on Fri 12 Aug to 23:48 on Fri 12 Aug.", "fact": "1966-08-12T01:10:24Z → 1966-08-12T23:47:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 12th and 06:20 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18564 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Bamako, 1966: Friday 12 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": "1966-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-12", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Ekādaśī 1966 falls on Friday 12 August. Ekādaśī runs from 01:10 on Fri 12 Aug to 23:48 on Fri 12 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-08-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-13", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 286, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-08-13T21:37:52+00:00", "utc": "1966-08-13T21:37:52Z", "ms": -106798928017.31079 }, "end": { "local": "1966-08-14T18:48:11+00:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-13T21:37:52+00:00", "utc": "1966-08-13T21:37:52Z", "ms": -106798928017.31079 }, "end": { "local": "1966-08-14T18:48:11+00:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-08-13", "window": { "start": { "local": "1966-08-13T18:53:26+00:00", "utc": "1966-08-13T18:53:26Z", "ms": -106808794241.68045 }, "end": { "local": "1966-08-13T20:24:59+00:00", "utc": "1966-08-13T20:24:59Z", "ms": -106803301242.44078 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1966-08-14", "window": { "start": { "local": "1966-08-14T18:52:57+00:00", "utc": "1966-08-14T18:52:57Z", "ms": -106722422994.41924 }, "end": { "local": "1966-08-14T20:24:35+00:00", "utc": "1966-08-14T20:24:35Z", "ms": -106716925245.05927 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:38 on Sat 13 Aug to 18:48 on Sun 14 Aug.", "fact": "1966-08-13T21:37:52Z → 1966-08-14T18:48:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:25 on the 13th, 18:53–20:25 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 13th and 0 of 92 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 286 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Saturday 13 August.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-13", "confidence": "boundary" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Saturday 13 August. Trayodaśī runs from 21:38 on Sat 13 Aug to 18:48 on Sun 14 Aug, and reaches pradoṣa on neither day. It is 4 min 46 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-08-13", "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/1966/shivaratri?on=1966-08-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19462, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-08-14T18:48:11+00:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "end": { "local": "1966-08-15T15:27:56+00:00", "utc": "1966-08-15T15:27:56Z", "ms": -106648324408.96904 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-14T18:48:11+00:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "end": { "local": "1966-08-15T15:27:56+00:00", "utc": "1966-08-15T15:27:56Z", "ms": -106648324408.96904 } }, "kaala": "nishita", "days": [ { "local_date": "1966-08-14", "window": { "start": { "local": "1966-08-15T00:12:34+00:00", "utc": "1966-08-15T00:12:34Z", "ms": -106703246434.31937 }, "end": { "local": "1966-08-15T01:00:34+00:00", "utc": "1966-08-15T01:00:34Z", "ms": -106700366434.31937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-15", "window": { "start": { "local": "1966-08-16T00:12:22+00:00", "utc": "1966-08-16T00:12:22Z", "ms": -106616857906.70847 }, "end": { "local": "1966-08-16T01:00:22+00:00", "utc": "1966-08-16T01:00:22Z", "ms": -106613977906.70847 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:48 on Sun 14 Aug to 15:28 on Mon 15 Aug.", "fact": "1966-08-14T18:48:11Z → 1966-08-15T15:27:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 14th, 00:12–01:00 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19462 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Sunday 14 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": "1966-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-14", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Sunday 14 August. Caturdaśī runs from 18:48 on Sun 14 Aug to 15:28 on Mon 15 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-08-14", "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/1966/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28759, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-08-18T04:12:23+00:00", "utc": "1966-08-18T04:12:23Z", "ms": -106429657032.56697 }, "end": { "local": "1966-08-19T00:39:11+00:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-18T04:12:23+00:00", "utc": "1966-08-18T04:12:23Z", "ms": -106429657032.56697 }, "end": { "local": "1966-08-19T00:39:11+00:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-18", "window": { "start": { "local": "1966-08-18T12:11:42+00:00", "utc": "1966-08-18T12:11:42Z", "ms": -106400898170.2802 }, "end": { "local": "1966-08-18T12:59:42+00:00", "utc": "1966-08-18T12:59:42Z", "ms": -106398018170.2802 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-19", "window": { "start": { "local": "1966-08-19T12:11:28+00:00", "utc": "1966-08-19T12:11:28Z", "ms": -106314511538.80952 }, "end": { "local": "1966-08-19T12:59:28+00:00", "utc": "1966-08-19T12:59:28Z", "ms": -106311631538.80952 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:12 on Thu 18 Aug to 00:39 on Fri 19 Aug.", "fact": "1966-08-18T04:12:23Z → 1966-08-19T00:39:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 18th, 12:11–12:59 on the 19th.", "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 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: paraviddha → only-day · margin 28759 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Bamako, 1966: Thursday 18 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": "1966-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-18", "confidence": "determinate" } ], "quote": "In Bamako, Madhusravā Tṛtīyā (Hariyali Teej) 1966 falls on Thursday 18 August. Tṛtīyā runs from 04:12 on Thu 18 Aug to 00:39 on Fri 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-08-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30567, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-08-19T00:39:11+00:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "end": { "local": "1966-08-19T21:28:55+00:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-19T00:39:11+00:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "end": { "local": "1966-08-19T21:28:55+00:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-18", "window": { "start": { "local": "1966-08-18T12:11:42+00:00", "utc": "1966-08-18T12:11:42Z", "ms": -106400898170.2802 }, "end": { "local": "1966-08-18T12:59:42+00:00", "utc": "1966-08-18T12:59:42Z", "ms": -106398018170.2802 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-08-19", "window": { "start": { "local": "1966-08-19T12:11:28+00:00", "utc": "1966-08-19T12:11:28Z", "ms": -106314511538.80952 }, "end": { "local": "1966-08-19T12:59:28+00:00", "utc": "1966-08-19T12:59:28Z", "ms": -106311631538.80952 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:39 on Fri 19 Aug to 21:29 on Fri 19 Aug.", "fact": "1966-08-19T00:39:11Z → 1966-08-19T21:28:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 18th, 12:11–12:59 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30567 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Friday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-19", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Friday 19 August. Caturthī runs from 00:39 on Fri 19 Aug to 21:29 on Fri 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-08-19", "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/1966/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21031, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-08-19T21:28:55+00:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "end": { "local": "1966-08-20T18:49:46+00:00", "utc": "1966-08-20T18:49:46Z", "ms": -106204214235.83586 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-19T21:28:55+00:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "end": { "local": "1966-08-20T18:49:46+00:00", "utc": "1966-08-20T18:49:46Z", "ms": -106204214235.83586 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-19", "window": { "start": { "local": "1966-08-19T12:11:28+00:00", "utc": "1966-08-19T12:11:28Z", "ms": -106314511538.80952 }, "end": { "local": "1966-08-19T12:59:28+00:00", "utc": "1966-08-19T12:59:28Z", "ms": -106311631538.80952 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-08-20", "window": { "start": { "local": "1966-08-20T12:11:15+00:00", "utc": "1966-08-20T12:11:15Z", "ms": -106228125411.25586 }, "end": { "local": "1966-08-20T12:59:15+00:00", "utc": "1966-08-20T12:59:15Z", "ms": -106225245411.25586 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:29 on Fri 19 Aug to 18:50 on Sat 20 Aug.", "fact": "1966-08-19T21:28:55Z → 1966-08-20T18:49:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 19th, 12:11–12:59 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21031 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Bamako, 1966: Saturday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-20", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī 1966 falls on Saturday 20 August. Pañcamī runs from 21:29 on Fri 19 Aug to 18:50 on Sat 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-08-26", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32514, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-08-25T15:22:53+00:00", "utc": "1966-08-25T15:22:53Z", "ms": -105784627082.43567 }, "end": { "local": "1966-08-26T16:29:01+00:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-25T15:22:53+00:00", "utc": "1966-08-25T15:22:53Z", "ms": -105784627082.43567 }, "end": { "local": "1966-08-26T16:29:01+00:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-08-25", "window": { "start": { "local": "1966-08-25T06:20:59+00:00", "utc": "1966-08-25T06:20:59Z", "ms": -105817141286.06393 }, "end": { "local": "1966-08-25T06:20:59+00:00", "utc": "1966-08-25T06:20:59Z", "ms": -105817141286.06393 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-08-26", "window": { "start": { "local": "1966-08-26T06:21:02+00:00", "utc": "1966-08-26T06:21:02Z", "ms": -105730738342.43394 }, "end": { "local": "1966-08-26T06:21:02+00:00", "utc": "1966-08-26T06:21:02Z", "ms": -105730738342.43394 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:23 on Thu 25 Aug to 16:29 on Fri 26 Aug.", "fact": "1966-08-25T15:22:53Z → 1966-08-26T16:29:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 25th and 06:21 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32514 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Bamako, 1966: Friday 26 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": "1966-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-26", "confidence": "determinate" } ], "quote": "In Bamako, Putradā Ekādaśī 1966 falls on Friday 26 August. Ekādaśī runs from 15:23 on Thu 25 Aug to 16:29 on Fri 26 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-08-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12680, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-08-26T16:29:01+00:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "end": { "local": "1966-08-27T17:59:57+00:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-26T16:29:01+00:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "end": { "local": "1966-08-27T17:59:57+00:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-26", "window": { "start": { "local": "1966-08-26T12:09:41+00:00", "utc": "1966-08-26T12:09:41Z", "ms": -105709818577.33266 }, "end": { "local": "1966-08-26T12:57:41+00:00", "utc": "1966-08-26T12:57:41Z", "ms": -105706938577.33266 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-08-27", "window": { "start": { "local": "1966-08-27T12:09:24+00:00", "utc": "1966-08-27T12:09:24Z", "ms": -105623435624.23575 }, "end": { "local": "1966-08-27T12:57:24+00:00", "utc": "1966-08-27T12:57:24Z", "ms": -105620555624.23575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:29 on Fri 26 Aug to 18:00 on Sat 27 Aug.", "fact": "1966-08-26T16:29:01Z → 1966-08-27T17:59:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 26th, 12:09–12:57 on the 27th.", "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 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12680 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Bamako, 1966: Saturday 27 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": "1966-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-27", "confidence": "determinate" } ], "quote": "In Bamako, Dāmodara Dvādaśī 1966 falls on Saturday 27 August. Dvādaśī runs from 16:29 on Fri 26 Aug to 18:00 on Sat 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-08-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1646, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-08-27T17:59:57+00:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "end": { "local": "1966-08-28T19:50:30+00:00", "utc": "1966-08-28T19:50:30Z", "ms": -105509370380.09415 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-27T17:59:57+00:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "end": { "local": "1966-08-28T19:50:30+00:00", "utc": "1966-08-28T19:50:30Z", "ms": -105509370380.09415 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-08-27", "window": { "start": { "local": "1966-08-27T18:45:44+00:00", "utc": "1966-08-27T18:45:44Z", "ms": -105599655539.0413 }, "end": { "local": "1966-08-27T20:18:27+00:00", "utc": "1966-08-27T20:18:27Z", "ms": -105594092583.75787 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1966-08-28", "window": { "start": { "local": "1966-08-28T18:45:07+00:00", "utc": "1966-08-28T18:45:07Z", "ms": -105513292747.30229 }, "end": { "local": "1966-08-28T20:17:55+00:00", "utc": "1966-08-28T20:17:55Z", "ms": -105507724557.32727 } }, "covered_min": 65, "window_min": 93, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:00 on Sat 27 Aug to 19:50 on Sun 28 Aug.", "fact": "1966-08-27T17:59:57Z → 1966-08-28T19:50:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:18 on the 27th, 18:45–20:18 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 93 of 93 minutes on the 27th and 65 of 93 on the 28th.", "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 1646 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Saturday 27 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-27", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Saturday 27 August. Trayodaśī runs from 18:00 on Sat 27 Aug to 19:50 on Sun 28 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 65 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/1966/pradosha-vrata?on=1966-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16954, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-08-29T21:56:18+00:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T00:13:37+00:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1966-08-30T11:03:45+00:00", "utc": "1966-08-30T11:03:45Z", "ms": -105368175225.23828 }, "end": { "local": "1966-08-31T00:13:37+00:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 } }, "kaala": "day", "days": [ { "local_date": "1966-08-29", "window": { "start": { "local": "1966-08-29T06:21:09+00:00", "utc": "1966-08-29T06:21:09Z", "ms": -105471531322.48969 }, "end": { "local": "1966-08-30T06:21:10+00:00", "utc": "1966-08-30T06:21:10Z", "ms": -105385129539.5919 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1966-08-30", "window": { "start": { "local": "1966-08-30T06:21:10+00:00", "utc": "1966-08-30T06:21:10Z", "ms": -105385129539.5919 }, "end": { "local": "1966-08-31T06:21:12+00:00", "utc": "1966-08-31T06:21:12Z", "ms": -105298728010.60432 } }, "covered_min": 790, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:56 on Mon 29 Aug to 00:14 on Wed 31 Aug. Its second half begins at 11:04 on Tue 30 Aug.", "fact": "1966-08-29T21:56:18Z → 1966-08-31T00:13:37Z · second half from 1966-08-30T11:03:45Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:21 on the 29th, and from 06:21 on the 30th.", "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 0 of 1440 minutes on the 29th and 790 of 1440 on the 30th.", "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 16954 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Bamako, 1966: Tuesday 30 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": "1966-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-30", "confidence": "determinate" } ], "quote": "In Bamako, Rakṣā Bandhana (Rakhi) 1966 falls on Tuesday 30 August. The second half of Pūrṇimā runs from 11:04 on Tue 30 Aug to 00:14 on Wed 31 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32369, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-08-29T21:56:18+00:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T00:13:37+00:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-29T21:56:18+00:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T00:13:37+00:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-29", "window": { "start": { "local": "1966-08-29T12:08:49+00:00", "utc": "1966-08-29T12:08:49Z", "ms": -105450670868.47595 }, "end": { "local": "1966-08-29T12:56:49+00:00", "utc": "1966-08-29T12:56:49Z", "ms": -105447790868.47595 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-08-30", "window": { "start": { "local": "1966-08-30T12:08:31+00:00", "utc": "1966-08-30T12:08:31Z", "ms": -105364289028.63853 }, "end": { "local": "1966-08-30T12:56:31+00:00", "utc": "1966-08-30T12:56:31Z", "ms": -105361409028.63853 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:56 on Mon 29 Aug to 00:14 on Wed 31 Aug.", "fact": "1966-08-29T21:56:18Z → 1966-08-31T00:13:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32369 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Bamako, 1966: Tuesday 30 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": "1966-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-30", "confidence": "determinate" } ], "quote": "In Bamako, Ṛṣi Tarpaṇa 1966 falls on Tuesday 30 August. Pūrṇimā runs from 21:56 on Mon 29 Aug to 00:14 on Wed 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26225, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-09-01T02:38:44+00:00", "utc": "1966-09-01T02:38:44Z", "ms": -105225675927.58394 }, "end": { "local": "1966-09-02T05:07:13+00:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-01T02:38:44+00:00", "utc": "1966-09-01T02:38:44Z", "ms": -105225675927.58394 }, "end": { "local": "1966-09-02T05:07:13+00:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-08-31", "window": { "start": { "local": "1966-08-31T19:21:39+00:00", "utc": "1966-08-31T19:21:39Z", "ms": -105251900951.38638 }, "end": { "local": "1966-08-31T19:21:39+00:00", "utc": "1966-08-31T19:21:39Z", "ms": -105251900951.38638 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-09-01", "window": { "start": { "local": "1966-09-01T19:56:34+00:00", "utc": "1966-09-01T19:56:34Z", "ms": -105163406382.59077 }, "end": { "local": "1966-09-01T19:56:34+00:00", "utc": "1966-09-01T19:56:34Z", "ms": -105163406382.59077 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:39 on Thu 1 Sep to 05:07 on Fri 2 Sep.", "fact": "1966-09-01T02:38:44Z → 1966-09-02T05:07:13Z" }, { "step": "kaala", "text": "Moonrise is at 19:22 on the 31st and 19:57 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 31st and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26225 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Bamako, 1966: Thursday 1 September.", "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": "1966-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-01", "confidence": "determinate" } ], "quote": "In Bamako, Aśūnya Śayana Vrata 1966 falls on Thursday 1 September. Dvitīyā runs from 02:39 on Thu 1 Sep to 05:07 on Fri 2 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16446, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-09-02T05:07:13+00:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "end": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-02T05:07:13+00:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "end": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-02", "window": { "start": { "local": "1966-09-02T12:07:35+00:00", "utc": "1966-09-02T12:07:35Z", "ms": -105105145432.07469 }, "end": { "local": "1966-09-02T12:55:35+00:00", "utc": "1966-09-02T12:55:35Z", "ms": -105102265432.07469 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T12:07:15+00:00", "utc": "1966-09-03T12:07:15Z", "ms": -105018764808.87782 }, "end": { "local": "1966-09-03T12:55:15+00:00", "utc": "1966-09-03T12:55:15Z", "ms": -105015884808.87782 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:07 on Fri 2 Sep to 07:33 on Sat 3 Sep.", "fact": "1966-09-02T05:07:13Z → 1966-09-03T07:33:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 2nd, 12:07–12:55 on the 3rd.", "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 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: paraviddha → only-day · margin 16446 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Bamako, 1966: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-02", "confidence": "determinate" } ], "quote": "In Bamako, Kajjalī Tṛtīyā (Kajari Teej) 1966 falls on Friday 2 September. Tṛtīyā runs from 05:07 on Fri 2 Sep to 07:33 on Sat 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23033, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T09:48:50+00:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T09:48:50+00:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T16:13:15+00:00", "utc": "1966-09-03T16:13:15Z", "ms": -105004004820.36566 }, "end": { "local": "1966-09-03T18:41:15+00:00", "utc": "1966-09-03T18:41:15Z", "ms": -104995124828.02423 } }, "covered_min": 148, "window_min": 148, "qualifies": true }, { "local_date": "1966-09-04", "window": { "start": { "local": "1966-09-04T16:12:43+00:00", "utc": "1966-09-04T16:12:43Z", "ms": -104917636634.22205 }, "end": { "local": "1966-09-04T18:40:35+00:00", "utc": "1966-09-04T18:40:35Z", "ms": -104908764763.3708 } }, "covered_min": 0, "window_min": 148, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:33 on Sat 3 Sep to 09:49 on Sun 4 Sep.", "fact": "1966-09-03T07:33:09Z → 1966-09-04T09:48:50Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:41 on the 3rd, 16:13–18:41 on the 4th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 148 of 148 minutes on the 3rd and 0 of 148 on the 4th.", "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 23033 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Bamako, 1966: Saturday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-03", "confidence": "determinate" } ], "quote": "In Bamako, Bahulā Caturthī 1966 falls on Saturday 3 September. Caturthī runs from 07:33 on Sat 3 Sep to 09:49 on Sun 4 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-09-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39735, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T09:48:50+00:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-03T07:33:09+00:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T09:48:50+00:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-09-02", "window": { "start": { "local": "1966-09-02T20:30:54+00:00", "utc": "1966-09-02T20:30:54Z", "ms": -105074946320.09557 }, "end": { "local": "1966-09-02T20:30:54+00:00", "utc": "1966-09-02T20:30:54Z", "ms": -105074946320.09557 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T21:05:42+00:00", "utc": "1966-09-03T21:05:42Z", "ms": -104986458170.25803 }, "end": { "local": "1966-09-03T21:05:42+00:00", "utc": "1966-09-03T21:05:42Z", "ms": -104986458170.25803 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:33 on Sat 3 Sep to 09:49 on Sun 4 Sep.", "fact": "1966-09-03T07:33:09Z → 1966-09-04T09:48:50Z" }, { "step": "kaala", "text": "Moonrise is at 20:31 on the 2nd and 21:06 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39735 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Saturday 3 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": "1966-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-03", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Saturday 3 September. Caturthī runs from 07:33 on Sat 3 Sep to 09:49 on Sun 4 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-09-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1046, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-09-05T11:44:59+00:00", "utc": "1966-09-05T11:44:59Z", "ms": -104847300507.85484 }, "end": { "local": "1966-09-06T13:11:41+00:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-05T11:44:59+00:00", "utc": "1966-09-05T11:44:59Z", "ms": -104847300507.85484 }, "end": { "local": "1966-09-06T13:11:41+00:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-05", "window": { "start": { "local": "1966-09-05T12:06:36+00:00", "utc": "1966-09-05T12:06:36Z", "ms": -104846004307.0694 }, "end": { "local": "1966-09-05T12:54:36+00:00", "utc": "1966-09-05T12:54:36Z", "ms": -104843124307.0694 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-06", "window": { "start": { "local": "1966-09-06T12:06:16+00:00", "utc": "1966-09-06T12:06:16Z", "ms": -104759624388.7862 }, "end": { "local": "1966-09-06T12:54:16+00:00", "utc": "1966-09-06T12:54:16Z", "ms": -104756744388.7862 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:45 on Mon 5 Sep to 13:12 on Tue 6 Sep.", "fact": "1966-09-05T11:44:59Z → 1966-09-06T13:11:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 5th, 12:06–12:54 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 48 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": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1046 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Bamako, 1966: Tuesday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-06", "confidence": "determinate" } ], "quote": "In Bamako, Hala Ṣaṣṭhī 1966 falls on Tuesday 6 September. Ṣaṣṭhī runs from 11:45 on Mon 5 Sep to 13:12 on Tue 6 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36199, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-09-07T13:59:45+00:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "end": { "local": "1966-09-08T14:02:16+00:00", "utc": "1966-09-08T14:02:16Z", "ms": -104579864060.2647 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-07T13:59:45+00:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "end": { "local": "1966-09-08T14:02:16+00:00", "utc": "1966-09-08T14:02:16Z", "ms": -104579864060.2647 } }, "kaala": "nishita", "days": [ { "local_date": "1966-09-07", "window": { "start": { "local": "1966-09-08T00:05:55+00:00", "utc": "1966-09-08T00:05:55Z", "ms": -104630044627.98534 }, "end": { "local": "1966-09-08T00:53:55+00:00", "utc": "1966-09-08T00:53:55Z", "ms": -104627164627.98534 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-08", "window": { "start": { "local": "1966-09-09T00:05:35+00:00", "utc": "1966-09-09T00:05:35Z", "ms": -104543665135.89117 }, "end": { "local": "1966-09-09T00:53:35+00:00", "utc": "1966-09-09T00:53:35Z", "ms": -104540785135.89117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:00 on Wed 7 Sep to 14:02 on Thu 8 Sep.", "fact": "1966-09-07T13:59:45Z → 1966-09-08T14:02:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 7th, 00:06–00:54 on the 8th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36199 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Bamako, 1966: Wednesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-07", "confidence": "determinate" } ], "quote": "In Bamako, Janmāṣṭamī 1966 falls on Wednesday 7 September. Aṣṭamī runs from 14:00 on Wed 7 Sep to 14:02 on Thu 8 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1046, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-09-06T13:11:41+00:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "end": { "local": "1966-09-07T13:59:45+00:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-06T13:11:41+00:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "end": { "local": "1966-09-07T13:59:45+00:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-06", "window": { "start": { "local": "1966-09-06T12:06:16+00:00", "utc": "1966-09-06T12:06:16Z", "ms": -104759624388.7862 }, "end": { "local": "1966-09-06T12:54:16+00:00", "utc": "1966-09-06T12:54:16Z", "ms": -104756744388.7862 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-07", "window": { "start": { "local": "1966-09-07T12:05:55+00:00", "utc": "1966-09-07T12:05:55Z", "ms": -104673244666.00214 }, "end": { "local": "1966-09-07T12:53:55+00:00", "utc": "1966-09-07T12:53:55Z", "ms": -104670364666.00214 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:12 on Tue 6 Sep to 14:00 on Wed 7 Sep.", "fact": "1966-09-06T13:11:41Z → 1966-09-07T13:59:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 6th, 12:06–12:54 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1046 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Bamako, 1966: Wednesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-06", "confidence": "determinate" } ], "quote": "In Bamako, Śītalā Saptamī 1966 falls on Wednesday 7 September. Saptamī runs from 13:12 on Tue 6 Sep to 14:00 on Wed 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-09-11", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10720, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-09-10T11:40:18+00:00", "utc": "1966-09-10T11:40:18Z", "ms": -104415582098.76407 }, "end": { "local": "1966-09-11T09:19:57+00:00", "utc": "1966-09-11T09:19:57Z", "ms": -104337603109.8386 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-10T11:40:18+00:00", "utc": "1966-09-10T11:40:18Z", "ms": -104415582098.76407 }, "end": { "local": "1966-09-11T09:19:57+00:00", "utc": "1966-09-11T09:19:57Z", "ms": -104337603109.8386 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-09-10", "window": { "start": { "local": "1966-09-10T06:21:17+00:00", "utc": "1966-09-10T06:21:17Z", "ms": -104434723160.92245 }, "end": { "local": "1966-09-10T06:21:17+00:00", "utc": "1966-09-10T06:21:17Z", "ms": -104434723160.92245 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-09-11", "window": { "start": { "local": "1966-09-11T06:21:17+00:00", "utc": "1966-09-11T06:21:17Z", "ms": -104348323368.06393 }, "end": { "local": "1966-09-11T06:21:17+00:00", "utc": "1966-09-11T06:21:17Z", "ms": -104348323368.06393 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:40 on Sat 10 Sep to 09:20 on Sun 11 Sep.", "fact": "1966-09-10T11:40:18Z → 1966-09-11T09:19:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 10th and 06:21 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 10720 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Bamako, 1966: Sunday 11 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": "1966-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-11", "confidence": "determinate" } ], "quote": "In Bamako, Ajā Ekādaśī 1966 falls on Sunday 11 September. Ekādaśī runs from 11:40 on Sat 10 Sep to 09:20 on Sun 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-09-11", "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/1966/pradosha-vrata?on=1966-09-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24275, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-09-12T06:21:28+00:00", "utc": "1966-09-12T06:21:28Z", "ms": -104261911685.91171 }, "end": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-12T06:21:28+00:00", "utc": "1966-09-12T06:21:28Z", "ms": -104261911685.91171 }, "end": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-11", "window": { "start": { "local": "1966-09-11T18:35:49+00:00", "utc": "1966-09-11T18:35:49Z", "ms": -104304251331.00307 }, "end": { "local": "1966-09-11T20:09:52+00:00", "utc": "1966-09-11T20:09:52Z", "ms": -104298607639.11737 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-12T18:35:07+00:00", "utc": "1966-09-12T18:35:07Z", "ms": -104217893007.05583 }, "end": { "local": "1966-09-12T20:09:16+00:00", "utc": "1966-09-12T20:09:16Z", "ms": -104212243802.11841 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:21 on Mon 12 Sep to 02:54 on Tue 13 Sep.", "fact": "1966-09-12T06:21:28Z → 1966-09-13T02:53:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:10 on the 11th, 18:35–20:09 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 11th and 94 of 94 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24275 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Monday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-12", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Monday 12 September. Trayodaśī runs from 06:21 on Mon 12 Sep to 02:54 on Tue 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-09-12", "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/1966/shivaratri?on=1966-09-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-12", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3386, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-13T23:07:25+00:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-13T23:07:25+00:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 } }, "kaala": "nishita", "days": [ { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-13T00:04:12+00:00", "utc": "1966-09-13T00:04:12Z", "ms": -104198148488.54053 }, "end": { "local": "1966-09-13T00:52:12+00:00", "utc": "1966-09-13T00:52:12Z", "ms": -104195268488.54053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-13", "window": { "start": { "local": "1966-09-14T00:03:50+00:00", "utc": "1966-09-14T00:03:50Z", "ms": -104111769573.64502 }, "end": { "local": "1966-09-14T00:51:50+00:00", "utc": "1966-09-14T00:51:50Z", "ms": -104108889573.64502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:54 on Tue 13 Sep to 23:07 on Tue 13 Sep.", "fact": "1966-09-13T02:53:51Z → 1966-09-13T23:07:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 12th, 00:04–00:52 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 12th and 0 of 48 on the 13th.", "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 3386 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Monday 12 September.", "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": "1966-09-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-12", "confidence": "boundary" } ], "quote": "In Bamako, Śivarātri 1966 falls on Monday 12 September. Caturdaśī runs from 02:54 on Tue 13 Sep to 23:07 on Tue 13 Sep, and reaches niśītha on neither day.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-09-12", "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/1966/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10725, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-13T23:07:25+00:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-13T02:53:51+00:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-13T23:07:25+00:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-12T18:35:07+00:00", "utc": "1966-09-12T18:35:07Z", "ms": -104217893007.05583 }, "end": { "local": "1966-09-12T20:09:16+00:00", "utc": "1966-09-12T20:09:16Z", "ms": -104212243802.11841 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "1966-09-13", "window": { "start": { "local": "1966-09-13T18:34:25+00:00", "utc": "1966-09-13T18:34:25Z", "ms": -104131534806.21098 }, "end": { "local": "1966-09-13T20:08:40+00:00", "utc": "1966-09-13T20:08:40Z", "ms": -104125880077.52673 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:54 on Tue 13 Sep to 23:07 on Tue 13 Sep.", "fact": "1966-09-13T02:53:51Z → 1966-09-13T23:07:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:09 on the 12th, 18:34–20:09 on the 13th.", "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 94 minutes on the 12th and 94 of 94 on the 13th.", "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 10725 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Bamako, 1966: Tuesday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-13", "confidence": "determinate" } ], "quote": "In Bamako, Aghora Caturdaśī 1966 falls on Tuesday 13 September. Caturdaśī runs from 02:54 on Tue 13 Sep to 23:07 on Tue 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9084, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-09-14T19:13:14+00:00", "utc": "1966-09-14T19:13:14Z", "ms": -104042805841.55312 }, "end": { "local": "1966-09-15T15:22:32+00:00", "utc": "1966-09-15T15:22:32Z", "ms": -103970247659.00716 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-14T19:13:14+00:00", "utc": "1966-09-14T19:13:14Z", "ms": -104042805841.55312 }, "end": { "local": "1966-09-15T15:22:32+00:00", "utc": "1966-09-15T15:22:32Z", "ms": -103970247659.00716 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-14", "window": { "start": { "local": "1966-09-14T12:03:29+00:00", "utc": "1966-09-14T12:03:29Z", "ms": -104068590525.52225 }, "end": { "local": "1966-09-14T12:51:29+00:00", "utc": "1966-09-14T12:51:29Z", "ms": -104065710525.52225 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-15", "window": { "start": { "local": "1966-09-15T12:03:08+00:00", "utc": "1966-09-15T12:03:08Z", "ms": -103982211722.0587 }, "end": { "local": "1966-09-15T12:51:08+00:00", "utc": "1966-09-15T12:51:08Z", "ms": -103979331722.0587 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:13 on Wed 14 Sep to 15:23 on Thu 15 Sep.", "fact": "1966-09-14T19:13:14Z → 1966-09-15T15:22:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 14th, 12:03–12:51 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9084 s" }, { "step": "ruling", "text": "Rudra Vrata, Bamako, 1966: Thursday 15 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": "1966-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-15", "confidence": "determinate" } ], "quote": "In Bamako, Rudra Vrata 1966 falls on Thursday 15 September. Pratipadā runs from 19:13 on Wed 14 Sep to 15:23 on Thu 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 991, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-09-16T11:46:16+00:00", "utc": "1966-09-16T11:46:16Z", "ms": -103896824307.43617 }, "end": { "local": "1966-09-17T08:34:35+00:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-16T11:46:16+00:00", "utc": "1966-09-16T11:46:16Z", "ms": -103896824307.43617 }, "end": { "local": "1966-09-17T08:34:35+00:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-16", "window": { "start": { "local": "1966-09-16T12:02:47+00:00", "utc": "1966-09-16T12:02:47Z", "ms": -103895832962.98615 }, "end": { "local": "1966-09-16T12:50:47+00:00", "utc": "1966-09-16T12:50:47Z", "ms": -103892952962.98615 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-17", "window": { "start": { "local": "1966-09-17T12:02:26+00:00", "utc": "1966-09-17T12:02:26Z", "ms": -103809454232.92984 }, "end": { "local": "1966-09-17T12:50:26+00:00", "utc": "1966-09-17T12:50:26Z", "ms": -103806574232.92984 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:46 on Fri 16 Sep to 08:35 on Sat 17 Sep.", "fact": "1966-09-16T11:46:16Z → 1966-09-17T08:34:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:02–12:50 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 991 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Bamako, 1966: Friday 16 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": "1966-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-16", "confidence": "determinate" } ], "quote": "In Bamako, Haritālikā Vrata (Hartalika Teej) 1966 falls on Friday 16 September. Tṛtīyā runs from 11:46 on Fri 16 Sep to 08:35 on Sat 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12471, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-17T08:34:35+00:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "end": { "local": "1966-09-18T05:56:24+00:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-17T08:34:35+00:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "end": { "local": "1966-09-18T05:56:24+00:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-17", "window": { "start": { "local": "1966-09-17T12:02:26+00:00", "utc": "1966-09-17T12:02:26Z", "ms": -103809454232.92984 }, "end": { "local": "1966-09-17T12:50:26+00:00", "utc": "1966-09-17T12:50:26Z", "ms": -103806574232.92984 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-18", "window": { "start": { "local": "1966-09-18T12:02:04+00:00", "utc": "1966-09-18T12:02:04Z", "ms": -103723075515.51526 }, "end": { "local": "1966-09-18T12:50:04+00:00", "utc": "1966-09-18T12:50:04Z", "ms": -103720195515.51526 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:35 on Sat 17 Sep to 05:56 on Sun 18 Sep.", "fact": "1966-09-17T08:34:35Z → 1966-09-18T05:56:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 17th, 12:02–12:50 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12471 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Bamako, 1966: Saturday 17 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": "1966-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-17", "confidence": "determinate" } ], "quote": "In Bamako, Gaṇeśa Caturthī 1966 falls on Saturday 17 September. Caturthī runs from 08:35 on Sat 17 Sep to 05:56 on Sun 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21940, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-09-18T05:56:24+00:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "end": { "local": "1966-09-19T03:58:46+00:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-18T05:56:24+00:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "end": { "local": "1966-09-19T03:58:46+00:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-18", "window": { "start": { "local": "1966-09-18T12:02:04+00:00", "utc": "1966-09-18T12:02:04Z", "ms": -103723075515.51526 }, "end": { "local": "1966-09-18T12:50:04+00:00", "utc": "1966-09-18T12:50:04Z", "ms": -103720195515.51526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-19", "window": { "start": { "local": "1966-09-19T12:01:43+00:00", "utc": "1966-09-19T12:01:43Z", "ms": -103636696793.20181 }, "end": { "local": "1966-09-19T12:49:43+00:00", "utc": "1966-09-19T12:49:43Z", "ms": -103633816793.20181 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:56 on Sun 18 Sep to 03:59 on Mon 19 Sep.", "fact": "1966-09-18T05:56:24Z → 1966-09-19T03:58:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 18th, 12:02–12:50 on the 19th.", "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 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: disputed → only-day · margin 21940 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Bamako, 1966: Sunday 18 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": "1966-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-18", "confidence": "determinate" } ], "quote": "In Bamako, Ṛṣi Pañcamī 1966 falls on Sunday 18 September. Pañcamī runs from 05:56 on Sun 18 Sep to 03:59 on Mon 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28978, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-09-19T03:58:46+00:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "end": { "local": "1966-09-20T02:46:13+00:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-19T03:58:46+00:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "end": { "local": "1966-09-20T02:46:13+00:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-19", "window": { "start": { "local": "1966-09-19T12:01:43+00:00", "utc": "1966-09-19T12:01:43Z", "ms": -103636696793.20181 }, "end": { "local": "1966-09-19T12:49:43+00:00", "utc": "1966-09-19T12:49:43Z", "ms": -103633816793.20181 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-20", "window": { "start": { "local": "1966-09-20T12:01:22+00:00", "utc": "1966-09-20T12:01:22Z", "ms": -103550318047.2944 }, "end": { "local": "1966-09-20T12:49:22+00:00", "utc": "1966-09-20T12:49:22Z", "ms": -103547438047.2944 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:59 on Mon 19 Sep to 02:46 on Tue 20 Sep.", "fact": "1966-09-19T03:58:46Z → 1966-09-20T02:46:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 19th, 12:01–12:49 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28978 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Bamako, 1966: Monday 19 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": "1966-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-19", "confidence": "determinate" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Bhādrapada) 1966 falls on Monday 19 September. Ṣaṣṭhī runs from 03:59 on Mon 19 Sep to 02:46 on Tue 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33309, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-09-20T02:46:13+00:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "end": { "local": "1966-09-21T02:20:22+00:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-20T02:46:13+00:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "end": { "local": "1966-09-21T02:20:22+00:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-20", "window": { "start": { "local": "1966-09-20T12:01:22+00:00", "utc": "1966-09-20T12:01:22Z", "ms": -103550318047.2944 }, "end": { "local": "1966-09-20T12:49:22+00:00", "utc": "1966-09-20T12:49:22Z", "ms": -103547438047.2944 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-21", "window": { "start": { "local": "1966-09-21T12:01:01+00:00", "utc": "1966-09-21T12:01:01Z", "ms": -103463939258.06781 }, "end": { "local": "1966-09-21T12:49:01+00:00", "utc": "1966-09-21T12:49:01Z", "ms": -103461059258.06781 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:46 on Tue 20 Sep to 02:20 on Wed 21 Sep.", "fact": "1966-09-20T02:46:13Z → 1966-09-21T02:20:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 20th, 12:01–12:49 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33309 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Bamako, 1966: Tuesday 20 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": "1966-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-20", "confidence": "determinate" } ], "quote": "In Bamako, Muktābharaṇa Vrata 1966 falls on Tuesday 20 September. Saptamī runs from 02:46 on Tue 20 Sep to 02:20 on Wed 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33665, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-09-21T02:20:22+00:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "end": { "local": "1966-09-22T02:39:34+00:00", "utc": "1966-09-22T02:39:34Z", "ms": -103411225664.40552 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-21T02:20:22+00:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "end": { "local": "1966-09-22T02:39:34+00:00", "utc": "1966-09-22T02:39:34Z", "ms": -103411225664.40552 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-21", "window": { "start": { "local": "1966-09-21T12:01:01+00:00", "utc": "1966-09-21T12:01:01Z", "ms": -103463939258.06781 }, "end": { "local": "1966-09-21T12:49:01+00:00", "utc": "1966-09-21T12:49:01Z", "ms": -103461059258.06781 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-22", "window": { "start": { "local": "1966-09-22T12:00:40+00:00", "utc": "1966-09-22T12:00:40Z", "ms": -103377560404.93723 }, "end": { "local": "1966-09-22T12:48:40+00:00", "utc": "1966-09-22T12:48:40Z", "ms": -103374680404.93723 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:20 on Wed 21 Sep to 02:40 on Thu 22 Sep.", "fact": "1966-09-21T02:20:22Z → 1966-09-22T02:39:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 21st, 12:01–12:49 on the 22nd.", "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 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: unstated → only-day · margin 33665 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Bamako, 1966: Wednesday 21 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": "1966-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-21", "confidence": "determinate" } ], "quote": "In Bamako, Rādhāṣṭamī 1966 falls on Wednesday 21 September. Aṣṭamī runs from 02:20 on Wed 21 Sep to 02:40 on Thu 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-09-25", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2986, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-09-24T05:12:24+00:00", "utc": "1966-09-24T05:12:24Z", "ms": -103229256043.15082 }, "end": { "local": "1966-09-25T07:10:59+00:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-24T05:12:24+00:00", "utc": "1966-09-24T05:12:24Z", "ms": -103229256043.15082 }, "end": { "local": "1966-09-25T07:10:59+00:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-09-24", "window": { "start": { "local": "1966-09-24T06:21:12+00:00", "utc": "1966-09-24T06:21:12Z", "ms": -103225127690.05737 }, "end": { "local": "1966-09-24T06:21:12+00:00", "utc": "1966-09-24T06:21:12Z", "ms": -103225127690.05737 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-09-25", "window": { "start": { "local": "1966-09-25T06:21:12+00:00", "utc": "1966-09-25T06:21:12Z", "ms": -103138727651.63464 }, "end": { "local": "1966-09-25T06:21:12+00:00", "utc": "1966-09-25T06:21:12Z", "ms": -103138727651.63464 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:12 on Sat 24 Sep to 07:11 on Sun 25 Sep.", "fact": "1966-09-24T05:12:24Z → 1966-09-25T07:10:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 24th and 06:21 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is on the 25th.", "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 2986 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Bamako, 1966: Sunday 25 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": "1966-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-25", "confidence": "determinate" } ], "quote": "In Bamako, Parivartanī Ekādaśī 1966 falls on Sunday 25 September. Ekādaśī runs from 05:12 on Sat 24 Sep to 07:11 on Sun 25 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-09-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9153, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-09-25T07:10:59+00:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "end": { "local": "1966-09-26T09:26:43+00:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-25T07:10:59+00:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "end": { "local": "1966-09-26T09:26:43+00:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-25", "window": { "start": { "local": "1966-09-25T11:59:37+00:00", "utc": "1966-09-25T11:59:37Z", "ms": -103118423246.7811 }, "end": { "local": "1966-09-25T12:47:37+00:00", "utc": "1966-09-25T12:47:37Z", "ms": -103115543246.7811 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-26", "window": { "start": { "local": "1966-09-26T11:59:16+00:00", "utc": "1966-09-26T11:59:16Z", "ms": -103032043920.41306 }, "end": { "local": "1966-09-26T12:47:16+00:00", "utc": "1966-09-26T12:47:16Z", "ms": -103029163920.41306 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:11 on Sun 25 Sep to 09:27 on Mon 26 Sep.", "fact": "1966-09-25T07:10:59Z → 1966-09-26T09:26:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 25th, 11:59–12:47 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9153 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Bamako, 1966: Sunday 25 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": "1966-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-25", "confidence": "determinate" } ], "quote": "In Bamako, Vāmana Jayantī 1966 falls on Sunday 25 September. Dvādaśī runs from 07:11 on Sun 25 Sep to 09:27 on Mon 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-09-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23552, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-09-26T09:26:43+00:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "end": { "local": "1966-09-27T11:52:07+00:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-26T09:26:43+00:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "end": { "local": "1966-09-27T11:52:07+00:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-26", "window": { "start": { "local": "1966-09-26T18:25:20+00:00", "utc": "1966-09-26T18:25:20Z", "ms": -103008880368.12837 }, "end": { "local": "1966-09-26T20:00:47+00:00", "utc": "1966-09-26T20:00:47Z", "ms": -103003153270.152 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1966-09-27", "window": { "start": { "local": "1966-09-27T18:24:38+00:00", "utc": "1966-09-27T18:24:38Z", "ms": -102922521705.41074 }, "end": { "local": "1966-09-27T20:00:11+00:00", "utc": "1966-09-27T20:00:11Z", "ms": -102916789026.45499 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:27 on Mon 26 Sep to 11:52 on Tue 27 Sep.", "fact": "1966-09-26T09:26:43Z → 1966-09-27T11:52:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–20:01 on the 26th, 18:25–20:00 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 95 of 95 minutes on the 26th and 0 of 96 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 23552 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Monday 26 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-26", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Monday 26 September. Trayodaśī runs from 09:27 on Mon 26 Sep to 11:52 on Tue 27 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-09-26", "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/1966/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11173, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-27T11:52:07+00:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "end": { "local": "1966-09-28T14:20:46+00:00", "utc": "1966-09-28T14:20:46Z", "ms": -102850753852.16377 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-27T11:52:07+00:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "end": { "local": "1966-09-28T14:20:46+00:00", "utc": "1966-09-28T14:20:46Z", "ms": -102850753852.16377 } }, "kaala": "udaya-3", "days": [ { "local_date": "1966-09-27", "window": { "start": { "local": "1966-09-27T06:21:13+00:00", "utc": "1966-09-27T06:21:13Z", "ms": -102965927133.3055 }, "end": { "local": "1966-09-27T08:45:54+00:00", "utc": "1966-09-27T08:45:54Z", "ms": -102957246047.72655 } }, "covered_min": 0, "window_min": 145, "qualifies": false }, { "local_date": "1966-09-28", "window": { "start": { "local": "1966-09-28T06:21:13+00:00", "utc": "1966-09-28T06:21:13Z", "ms": -102879526613.24263 }, "end": { "local": "1966-09-28T08:45:46+00:00", "utc": "1966-09-28T08:45:46Z", "ms": -102870853856.1607 } }, "covered_min": 145, "window_min": 145, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:52 on Tue 27 Sep to 14:21 on Wed 28 Sep.", "fact": "1966-09-27T11:52:07Z → 1966-09-28T14:20:46Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:21–08:46 on the 27th, 06:21–08:46 on the 28th.", "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 145 minutes on the 27th and 145 of 145 on the 28th.", "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 11173 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Bamako, 1966: Wednesday 28 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": "1966-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-28", "confidence": "determinate" } ], "quote": "In Bamako, Ananta Caturdaśī 1966 falls on Wednesday 28 September. Caturdaśī runs from 11:52 on Tue 27 Sep to 14:21 on Wed 28 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-10-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9799, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-10-02T23:04:08+00:00", "utc": "1966-10-02T23:04:08Z", "ms": -102473752369.14793 }, "end": { "local": "1966-10-04T00:30:44+00:00", "utc": "1966-10-04T00:30:44Z", "ms": -102382155868.78818 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-02T23:04:08+00:00", "utc": "1966-10-02T23:04:08Z", "ms": -102473752369.14793 }, "end": { "local": "1966-10-04T00:30:44+00:00", "utc": "1966-10-04T00:30:44Z", "ms": -102382155868.78818 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-02", "window": { "start": { "local": "1966-10-02T20:20:48+00:00", "utc": "1966-10-02T20:20:48Z", "ms": -102483551528.6608 }, "end": { "local": "1966-10-02T20:20:48+00:00", "utc": "1966-10-02T20:20:48Z", "ms": -102483551528.6608 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-03", "window": { "start": { "local": "1966-10-03T21:02:20+00:00", "utc": "1966-10-03T21:02:20Z", "ms": -102394659663.77504 }, "end": { "local": "1966-10-03T21:02:20+00:00", "utc": "1966-10-03T21:02:20Z", "ms": -102394659663.77504 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:04 on Sun 2 Oct to 00:31 on Tue 4 Oct.", "fact": "1966-10-02T23:04:08Z → 1966-10-04T00:30:44Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 2nd and 21:02 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9799 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Monday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-03", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Monday 3 October. Caturthī runs from 23:04 on Sun 2 Oct to 00:31 on Tue 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11439, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-10-05T01:27:49+00:00", "utc": "1966-10-05T01:27:49Z", "ms": -102292331084.87688 }, "end": { "local": "1966-10-06T01:49:45+00:00", "utc": "1966-10-06T01:49:45Z", "ms": -102204615267.12949 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-05T01:27:49+00:00", "utc": "1966-10-05T01:27:49Z", "ms": -102292331084.87688 }, "end": { "local": "1966-10-06T01:49:45+00:00", "utc": "1966-10-06T01:49:45Z", "ms": -102204615267.12949 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-04", "window": { "start": { "local": "1966-10-04T21:48:14+00:00", "utc": "1966-10-04T21:48:14Z", "ms": -102305506227.58899 }, "end": { "local": "1966-10-04T21:48:14+00:00", "utc": "1966-10-04T21:48:14Z", "ms": -102305506227.58899 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-05", "window": { "start": { "local": "1966-10-05T22:39:06+00:00", "utc": "1966-10-05T22:39:06Z", "ms": -102216054234.48157 }, "end": { "local": "1966-10-05T22:39:06+00:00", "utc": "1966-10-05T22:39:06Z", "ms": -102216054234.48157 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 01:28 on Wed 5 Oct to 01:50 on Thu 6 Oct.", "fact": "1966-10-05T01:27:49Z → 1966-10-06T01:49:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:48 on the 4th and 22:39 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11439 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Bamako, 1966: Wednesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-05", "confidence": "determinate" } ], "quote": "In Bamako, Candra Ṣaṣṭhī 1966 falls on Wednesday 5 October. Ṣaṣṭhī runs from 01:28 on Wed 5 Oct to 01:50 on Thu 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-06", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 64, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-07T01:32:18+00:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T00:33:24+00:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-07T01:32:18+00:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T00:33:24+00:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-06", "window": { "start": { "local": "1966-10-06T23:34:51+00:00", "utc": "1966-10-06T23:34:51Z", "ms": -102126308978.43808 }, "end": { "local": "1966-10-06T23:34:51+00:00", "utc": "1966-10-06T23:34:51Z", "ms": -102126308978.43808 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-07", "window": { "start": { "local": "1966-10-08T00:34:28+00:00", "utc": "1966-10-08T00:34:28Z", "ms": -102036332399.8782 }, "end": { "local": "1966-10-08T00:34:28+00:00", "utc": "1966-10-08T00:34:28Z", "ms": -102036332399.8782 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:32 on Fri 7 Oct to 00:33 on Sat 8 Oct.", "fact": "1966-10-07T01:32:18Z → 1966-10-08T00:33:24Z" }, { "step": "kaala", "text": "Moonrise is at 23:35 on the 6th and 00:34 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 64 s < 300 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Bamako, 1966: Thursday 6 October.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "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": "1966-10-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-06", "confidence": "boundary" } ], "quote": "In Bamako, Mahālakṣmī Vrata Samāpana 1966 falls on Thursday 6 October. Aṣṭamī runs from 01:32 on Fri 7 Oct to 00:33 on Sat 8 Oct, and is current at moonrise on neither day. It is 1 min 04 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16735, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-07T01:32:18+00:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T00:33:24+00:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-07T01:32:18+00:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T00:33:24+00:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-06", "window": { "start": { "local": "1966-10-06T18:18:39+00:00", "utc": "1966-10-06T18:18:39Z", "ms": -102145280947.04762 }, "end": { "local": "1966-10-06T19:55:02+00:00", "utc": "1966-10-06T19:55:02Z", "ms": -102139498213.49452 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "1966-10-07", "window": { "start": { "local": "1966-10-07T18:18:01+00:00", "utc": "1966-10-07T18:18:01Z", "ms": -102058918968.60114 }, "end": { "local": "1966-10-07T19:54:29+00:00", "utc": "1966-10-07T19:54:29Z", "ms": -102053130707.84312 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:32 on Fri 7 Oct to 00:33 on Sat 8 Oct.", "fact": "1966-10-07T01:32:18Z → 1966-10-08T00:33:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:55 on the 6th, 18:18–19:54 on the 7th.", "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 96 minutes on the 6th and 96 of 96 on the 7th.", "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 16735 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Bamako, 1966: Friday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-07", "confidence": "determinate" } ], "quote": "In Bamako, Jitāṣṭamī (Jitiya) 1966 falls on Friday 7 October. Aṣṭamī runs from 01:32 on Fri 7 Oct to 00:33 on Sat 8 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-10-10", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35140, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-10-09T20:36:01+00:00", "utc": "1966-10-09T20:36:01Z", "ms": -101877838775.00392 }, "end": { "local": "1966-10-10T17:46:16+00:00", "utc": "1966-10-10T17:46:16Z", "ms": -101801624295.34425 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-09T20:36:01+00:00", "utc": "1966-10-09T20:36:01Z", "ms": -101877838775.00392 }, "end": { "local": "1966-10-10T17:46:16+00:00", "utc": "1966-10-10T17:46:16Z", "ms": -101801624295.34425 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-10-10", "window": { "start": { "local": "1966-10-10T06:21:41+00:00", "utc": "1966-10-10T06:21:41Z", "ms": -101842698954.8411 }, "end": { "local": "1966-10-10T06:21:41+00:00", "utc": "1966-10-10T06:21:41Z", "ms": -101842698954.8411 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-10-11", "window": { "start": { "local": "1966-10-11T06:21:46+00:00", "utc": "1966-10-11T06:21:46Z", "ms": -101756294300.82805 }, "end": { "local": "1966-10-11T06:21:46+00:00", "utc": "1966-10-11T06:21:46Z", "ms": -101756294300.82805 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:36 on Sun 9 Oct to 17:46 on Mon 10 Oct.", "fact": "1966-10-09T20:36:01Z → 1966-10-10T17:46:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 10th and 06:22 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35140 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Bamako, 1966: Monday 10 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": "1966-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-10", "confidence": "determinate" } ], "quote": "In Bamako, Indirā Ekādaśī 1966 falls on Monday 10 October. Ekādaśī runs from 20:36 on Sun 9 Oct to 17:46 on Mon 10 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-10-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13429, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-10-11T14:31:45+00:00", "utc": "1966-10-11T14:31:45Z", "ms": -101726895178.51654 }, "end": { "local": "1966-10-12T11:01:17+00:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-11T14:31:45+00:00", "utc": "1966-10-11T14:31:45Z", "ms": -101726895178.51654 }, "end": { "local": "1966-10-12T11:01:17+00:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-11", "window": { "start": { "local": "1966-10-11T18:15:34+00:00", "utc": "1966-10-11T18:15:34Z", "ms": -101713466123.91478 }, "end": { "local": "1966-10-11T19:52:24+00:00", "utc": "1966-10-11T19:52:24Z", "ms": -101707655869.20477 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1966-10-12", "window": { "start": { "local": "1966-10-12T18:14:58+00:00", "utc": "1966-10-12T18:14:58Z", "ms": -101627101571.3806 }, "end": { "local": "1966-10-12T19:51:54+00:00", "utc": "1966-10-12T19:51:54Z", "ms": -101621285852.8533 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:32 on Tue 11 Oct to 11:01 on Wed 12 Oct.", "fact": "1966-10-11T14:31:45Z → 1966-10-12T11:01:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:16–19:52 on the 11th, 18:15–19:52 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 11th and 0 of 97 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13429 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Tuesday 11 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": "1966-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-11", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Tuesday 11 October. Trayodaśī runs from 14:32 on Tue 11 Oct to 11:01 on Wed 12 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-10-11", "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/1966/shivaratri?on=1966-10-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24124, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-10-12T11:01:17+00:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "end": { "local": "1966-10-13T07:24:32+00:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-12T11:01:17+00:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "end": { "local": "1966-10-13T07:24:32+00:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 } }, "kaala": "nishita", "days": [ { "local_date": "1966-10-11", "window": { "start": { "local": "1966-10-11T23:54:42+00:00", "utc": "1966-10-11T23:54:42Z", "ms": -101693117668.75224 }, "end": { "local": "1966-10-12T00:42:42+00:00", "utc": "1966-10-12T00:42:42Z", "ms": -101690237668.75224 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-10-12", "window": { "start": { "local": "1966-10-12T23:54:27+00:00", "utc": "1966-10-12T23:54:27Z", "ms": -101606732626.90324 }, "end": { "local": "1966-10-13T00:42:27+00:00", "utc": "1966-10-13T00:42:27Z", "ms": -101603852626.90324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:01 on Wed 12 Oct to 07:25 on Thu 13 Oct.", "fact": "1966-10-12T11:01:17Z → 1966-10-13T07:24:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 11th, 23:54–00:42 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24124 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Wednesday 12 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": "1966-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-12", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Wednesday 12 October. Caturdaśī runs from 11:01 on Wed 12 Oct to 07:25 on Thu 13 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-10-12", "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/1966/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21893, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-10-13T07:24:32+00:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "end": { "local": "1966-10-14T03:51:35+00:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-13T07:24:32+00:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "end": { "local": "1966-10-14T03:51:35+00:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 } }, "kaala": "aparahna", "days": [ { "local_date": "1966-10-13", "window": { "start": { "local": "1966-10-13T13:29:25+00:00", "utc": "1966-10-13T13:29:25Z", "ms": -101557835338.58452 }, "end": { "local": "1966-10-13T15:51:54+00:00", "utc": "1966-10-13T15:51:54Z", "ms": -101549285890.6374 } }, "covered_min": 142, "window_min": 142, "qualifies": true }, { "local_date": "1966-10-14", "window": { "start": { "local": "1966-10-14T13:29:06+00:00", "utc": "1966-10-14T13:29:06Z", "ms": -101471453510.87325 }, "end": { "local": "1966-10-14T15:51:28+00:00", "utc": "1966-10-14T15:51:28Z", "ms": -101462912115.23834 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:25 on Thu 13 Oct to 03:52 on Fri 14 Oct.", "fact": "1966-10-13T07:24:32Z → 1966-10-14T03:51:35Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:29–15:52 on the 13th, 13:29–15:51 on the 14th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 142 of 142 minutes on the 13th and 0 of 142 on the 14th.", "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 21893 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Bamako, 1966: Thursday 13 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": "1966-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-13", "confidence": "determinate" } ], "quote": "In Bamako, Mahālaya Amāvāsyā 1966 falls on Thursday 13 October. Amāvasyā runs from 07:25 on Thu 13 Oct to 03:52 on Fri 14 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28940, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-10-14T03:51:35+00:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "end": { "local": "1966-10-15T00:32:34+00:00", "utc": "1966-10-15T00:32:34Z", "ms": -101431646101.1541 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-14T03:51:35+00:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "end": { "local": "1966-10-15T00:32:34+00:00", "utc": "1966-10-15T00:32:34Z", "ms": -101431646101.1541 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-14", "window": { "start": { "local": "1966-10-14T11:53:56+00:00", "utc": "1966-10-14T11:53:56Z", "ms": -101477164208.6907 }, "end": { "local": "1966-10-14T12:41:56+00:00", "utc": "1966-10-14T12:41:56Z", "ms": -101474284208.6907 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-15", "window": { "start": { "local": "1966-10-15T11:53:42+00:00", "utc": "1966-10-15T11:53:42Z", "ms": -101390777817.50653 }, "end": { "local": "1966-10-15T12:41:42+00:00", "utc": "1966-10-15T12:41:42Z", "ms": -101387897817.50653 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:52 on Fri 14 Oct to 00:33 on Sat 15 Oct.", "fact": "1966-10-14T03:51:35Z → 1966-10-15T00:32:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 14th, 11:54–12:42 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28940 s" }, { "step": "ruling", "text": "Navarātrārambha, Bamako, 1966: Friday 14 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": "1966-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-14", "confidence": "determinate" } ], "quote": "In Bamako, Navarātrārambha (Navratri) 1966 falls on Friday 14 October. Pratipadā runs from 03:52 on Fri 14 Oct to 00:33 on Sat 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-10-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17402, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-10-16T19:14:17+00:00", "utc": "1966-10-16T19:14:17Z", "ms": -101277942556.06207 }, "end": { "local": "1966-10-17T17:31:18+00:00", "utc": "1966-10-17T17:31:18Z", "ms": -101197721535.65677 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-16T19:14:17+00:00", "utc": "1966-10-16T19:14:17Z", "ms": -101277942556.06207 }, "end": { "local": "1966-10-17T17:31:18+00:00", "utc": "1966-10-17T17:31:18Z", "ms": -101197721535.65677 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-16", "window": { "start": { "local": "1966-10-16T11:53:29+00:00", "utc": "1966-10-16T11:53:29Z", "ms": -101304390875.68001 }, "end": { "local": "1966-10-16T12:41:29+00:00", "utc": "1966-10-16T12:41:29Z", "ms": -101301510875.68001 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-10-17", "window": { "start": { "local": "1966-10-17T11:53:17+00:00", "utc": "1966-10-17T11:53:17Z", "ms": -101218003369.53859 }, "end": { "local": "1966-10-17T12:41:17+00:00", "utc": "1966-10-17T12:41:17Z", "ms": -101215123369.53859 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:14 on Sun 16 Oct to 17:31 on Mon 17 Oct.", "fact": "1966-10-16T19:14:17Z → 1966-10-17T17:31:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:53–12:41 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17402 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Monday 17 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": "1966-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-17", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Monday 17 October. Caturthī runs from 19:14 on Sun 16 Oct to 17:31 on Mon 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-10-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33210, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-10-19T16:23:23+00:00", "utc": "1966-10-19T16:23:23Z", "ms": -101028997048.20094 }, "end": { "local": "1966-10-20T16:59:56+00:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-19T16:23:23+00:00", "utc": "1966-10-19T16:23:23Z", "ms": -101028997048.20094 }, "end": { "local": "1966-10-20T16:59:56+00:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 } }, "kaala": "udaya-1", "days": [ { "local_date": "1966-10-19", "window": { "start": { "local": "1966-10-19T06:22:39+00:00", "utc": "1966-10-19T06:22:39Z", "ms": -101065040666.95999 }, "end": { "local": "1966-10-19T07:09:53+00:00", "utc": "1966-10-19T07:09:53Z", "ms": -101062206792.25038 } }, "covered_min": 0, "window_min": 47, "qualifies": false }, { "local_date": "1966-10-20", "window": { "start": { "local": "1966-10-20T06:22:48+00:00", "utc": "1966-10-20T06:22:48Z", "ms": -100978631775.00372 }, "end": { "local": "1966-10-20T07:09:59+00:00", "utc": "1966-10-20T07:09:59Z", "ms": -100975800514.27176 } }, "covered_min": 47, "window_min": 47, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:23 on Wed 19 Oct to 17:00 on Thu 20 Oct.", "fact": "1966-10-19T16:23:23Z → 1966-10-20T16:59:56Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:23–07:10 on the 19th, 06:23–07:10 on the 20th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 47 minutes on the 19th and 47 of 47 on the 20th.", "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 33210 s" }, { "step": "ruling", "text": "Durgā Saptamī, Bamako, 1966: Thursday 20 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": "1966-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-20", "confidence": "determinate" } ], "quote": "In Bamako, Durgā Saptamī 1966 falls on Thursday 20 October. Saptamī runs from 16:23 on Wed 19 Oct to 17:00 on Thu 20 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15553, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-20T16:59:56+00:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "end": { "local": "1966-10-21T18:18:36+00:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-20T16:59:56+00:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "end": { "local": "1966-10-21T18:18:36+00:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-20", "window": { "start": { "local": "1966-10-20T11:52:43+00:00", "utc": "1966-10-20T11:52:43Z", "ms": -100958837319.51398 }, "end": { "local": "1966-10-20T12:40:43+00:00", "utc": "1966-10-20T12:40:43Z", "ms": -100955957319.51398 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-10-21", "window": { "start": { "local": "1966-10-21T11:52:33+00:00", "utc": "1966-10-21T11:52:33Z", "ms": -100872447407.58069 }, "end": { "local": "1966-10-21T12:40:33+00:00", "utc": "1966-10-21T12:40:33Z", "ms": -100869567407.58069 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:00 on Thu 20 Oct to 18:19 on Fri 21 Oct.", "fact": "1966-10-20T16:59:56Z → 1966-10-21T18:18:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15553 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Bamako, 1966: Friday 21 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": "1966-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-21", "confidence": "determinate" } ], "quote": "In Bamako, Mahāṣṭamī (Durga Ashtami) 1966 falls on Friday 21 October. Aṣṭamī runs from 17:00 on Thu 20 Oct to 18:19 on Fri 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20283, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-10-21T18:18:36+00:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "end": { "local": "1966-10-22T20:11:29+00:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-21T18:18:36+00:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "end": { "local": "1966-10-22T20:11:29+00:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-21", "window": { "start": { "local": "1966-10-21T11:52:33+00:00", "utc": "1966-10-21T11:52:33Z", "ms": -100872447407.58069 }, "end": { "local": "1966-10-21T12:40:33+00:00", "utc": "1966-10-21T12:40:33Z", "ms": -100869567407.58069 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-10-22", "window": { "start": { "local": "1966-10-22T11:52:23+00:00", "utc": "1966-10-22T11:52:23Z", "ms": -100786056854.72359 }, "end": { "local": "1966-10-22T12:40:23+00:00", "utc": "1966-10-22T12:40:23Z", "ms": -100783176854.72359 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:19 on Fri 21 Oct to 20:11 on Sat 22 Oct.", "fact": "1966-10-21T18:18:36Z → 1966-10-22T20:11:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:52–12:40 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20283 s" }, { "step": "ruling", "text": "Mahānavamī, Bamako, 1966: Saturday 22 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": "1966-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-22", "confidence": "determinate" } ], "quote": "In Bamako, Mahānavamī 1966 falls on Saturday 22 October. Navamī runs from 18:19 on Fri 21 Oct to 20:11 on Sat 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7310, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1966-10-22T20:11:29+00:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "end": { "local": "1966-10-23T22:28:26+00:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-22T20:11:29+00:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "end": { "local": "1966-10-23T22:28:26+00:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-22", "window": { "start": { "local": "1966-10-22T11:52:23+00:00", "utc": "1966-10-22T11:52:23Z", "ms": -100786056854.72359 }, "end": { "local": "1966-10-22T12:40:23+00:00", "utc": "1966-10-22T12:40:23Z", "ms": -100783176854.72359 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-10-23", "window": { "start": { "local": "1966-10-23T11:52:14+00:00", "utc": "1966-10-23T11:52:14Z", "ms": -100699665644.72714 }, "end": { "local": "1966-10-23T12:40:14+00:00", "utc": "1966-10-23T12:40:14Z", "ms": -100696785644.72714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 20:11 on Sat 22 Oct to 22:28 on Sun 23 Oct.", "fact": "1966-10-22T20:11:29Z → 1966-10-23T22:28:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 22nd, 11:52–12:40 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7310 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Bamako, 1966: Sunday 23 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": "1966-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-23", "confidence": "determinate" } ], "quote": "In Bamako, Vijayā Daśamī (Dussehra) 1966 falls on Sunday 23 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 20:11 on Sat 22 Oct to 22:28 on Sun 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-10-24", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19521, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-10-23T22:28:26+00:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "end": { "local": "1966-10-25T00:58:20+00:00", "utc": "1966-10-25T00:58:20Z", "ms": -100566100220.77089 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-23T22:28:26+00:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "end": { "local": "1966-10-25T00:58:20+00:00", "utc": "1966-10-25T00:58:20Z", "ms": -100566100220.77089 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-10-24", "window": { "start": { "local": "1966-10-24T06:23:29+00:00", "utc": "1966-10-24T06:23:29Z", "ms": -100632990907.46031 }, "end": { "local": "1966-10-24T06:23:29+00:00", "utc": "1966-10-24T06:23:29Z", "ms": -100632990907.46031 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-10-25", "window": { "start": { "local": "1966-10-25T06:23:41+00:00", "utc": "1966-10-25T06:23:41Z", "ms": -100546579310.8294 }, "end": { "local": "1966-10-25T06:23:41+00:00", "utc": "1966-10-25T06:23:41Z", "ms": -100546579310.8294 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:28 on Sun 23 Oct to 00:58 on Tue 25 Oct.", "fact": "1966-10-23T22:28:26Z → 1966-10-25T00:58:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 24th and 06:24 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19521 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Bamako, 1966: Monday 24 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": "1966-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-24", "confidence": "determinate" } ], "quote": "In Bamako, Pāśāṅkuśā Ekādaśī 1966 falls on Monday 24 October. Ekādaśī runs from 22:28 on Sun 23 Oct to 00:58 on Tue 25 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-10-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27850, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-10-26T03:30:31+00:00", "utc": "1966-10-26T03:30:31Z", "ms": -100470568661.63017 }, "end": { "local": "1966-10-27T05:55:55+00:00", "utc": "1966-10-27T05:55:55Z", "ms": -100375445209.34459 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-26T03:30:31+00:00", "utc": "1966-10-26T03:30:31Z", "ms": -100470568661.63017 }, "end": { "local": "1966-10-27T05:55:55+00:00", "utc": "1966-10-27T05:55:55Z", "ms": -100375445209.34459 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-25", "window": { "start": { "local": "1966-10-25T18:08:17+00:00", "utc": "1966-10-25T18:08:17Z", "ms": -100504303066.3061 }, "end": { "local": "1966-10-25T19:46:22+00:00", "utc": "1966-10-25T19:46:22Z", "ms": -100498418276.22652 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1966-10-26", "window": { "start": { "local": "1966-10-26T18:07:51+00:00", "utc": "1966-10-26T18:07:51Z", "ms": -100417928679.87698 }, "end": { "local": "1966-10-26T19:46:01+00:00", "utc": "1966-10-26T19:46:01Z", "ms": -100412038774.11653 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:31 on Wed 26 Oct to 05:56 on Thu 27 Oct.", "fact": "1966-10-26T03:30:31Z → 1966-10-27T05:55:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:46 on the 25th, 18:08–19:46 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 25th and 98 of 98 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27850 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Wednesday 26 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": "1966-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-26", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Wednesday 26 October. Trayodaśī runs from 03:31 on Wed 26 Oct to 05:56 on Thu 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-10-26", "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/1966/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26456, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-01T13:14:41+00:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T13:25:57+00:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-01T13:14:41+00:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T13:25:57+00:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-01", "window": { "start": { "local": "1966-11-01T20:35:37+00:00", "utc": "1966-11-01T20:35:37Z", "ms": -99890662517.94295 }, "end": { "local": "1966-11-01T20:35:37+00:00", "utc": "1966-11-01T20:35:37Z", "ms": -99890662517.94295 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-02", "window": { "start": { "local": "1966-11-02T21:29:56+00:00", "utc": "1966-11-02T21:29:56Z", "ms": -99801003680.53339 }, "end": { "local": "1966-11-02T21:29:56+00:00", "utc": "1966-11-02T21:29:56Z", "ms": -99801003680.53339 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:15 on Tue 1 Nov to 13:26 on Wed 2 Nov.", "fact": "1966-11-01T13:14:41Z → 1966-11-02T13:25:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 1st and 21:30 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26456 s" }, { "step": "ruling", "text": "Karaka Caturthī, Bamako, 1966: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-01", "confidence": "determinate" } ], "quote": "In Bamako, Karaka Caturthī (Karwa Chauth) 1966 falls on Tuesday 1 November. Caturthī runs from 13:15 on Tue 1 Nov to 13:26 on Wed 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-11-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26456, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-01T13:14:41+00:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T13:25:57+00:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-01T13:14:41+00:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T13:25:57+00:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-01", "window": { "start": { "local": "1966-11-01T20:35:37+00:00", "utc": "1966-11-01T20:35:37Z", "ms": -99890662517.94295 }, "end": { "local": "1966-11-01T20:35:37+00:00", "utc": "1966-11-01T20:35:37Z", "ms": -99890662517.94295 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-02", "window": { "start": { "local": "1966-11-02T21:29:56+00:00", "utc": "1966-11-02T21:29:56Z", "ms": -99801003680.53339 }, "end": { "local": "1966-11-02T21:29:56+00:00", "utc": "1966-11-02T21:29:56Z", "ms": -99801003680.53339 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:15 on Tue 1 Nov to 13:26 on Wed 2 Nov.", "fact": "1966-11-01T13:14:41Z → 1966-11-02T13:25:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:36 on the 1st and 21:30 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26456 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Tuesday 1 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": "1966-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-01", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Tuesday 1 November. Caturthī runs from 13:15 on Tue 1 Nov to 13:26 on Wed 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-11-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32088, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-11-05T11:06:16+00:00", "utc": "1966-11-05T11:06:16Z", "ms": -99579224315.83537 }, "end": { "local": "1966-11-06T09:23:01+00:00", "utc": "1966-11-06T09:23:01Z", "ms": -99499018991.79608 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-05T11:06:16+00:00", "utc": "1966-11-05T11:06:16Z", "ms": -99579224315.83537 }, "end": { "local": "1966-11-06T09:23:01+00:00", "utc": "1966-11-06T09:23:01Z", "ms": -99499018991.79608 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-04", "window": { "start": { "local": "1966-11-04T23:28:00+00:00", "utc": "1966-11-04T23:28:00Z", "ms": -99621119617.3106 }, "end": { "local": "1966-11-04T23:28:00+00:00", "utc": "1966-11-04T23:28:00Z", "ms": -99621119617.3106 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-11-05", "window": { "start": { "local": "1966-11-06T00:28:13+00:00", "utc": "1966-11-06T00:28:13Z", "ms": -99531107378.94078 }, "end": { "local": "1966-11-06T00:28:13+00:00", "utc": "1966-11-06T00:28:13Z", "ms": -99531107378.94078 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:06 on Sat 5 Nov to 09:23 on Sun 6 Nov.", "fact": "1966-11-05T11:06:16Z → 1966-11-06T09:23:01Z" }, { "step": "kaala", "text": "Moonrise is at 23:28 on the 4th and 00:28 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 4th and is on the 5th.", "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 32088 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Bamako, 1966: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-05", "confidence": "determinate" } ], "quote": "In Bamako, Ahoyī Aṣṭamī 1966 falls on Saturday 5 November. Aṣṭamī runs from 11:06 on Sat 5 Nov to 09:23 on Sun 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-11-08", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6163, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-11-08T04:44:45+00:00", "utc": "1966-11-08T04:44:45Z", "ms": -99342915406.2151 }, "end": { "local": "1966-11-09T01:58:32+00:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-08T04:44:45+00:00", "utc": "1966-11-08T04:44:45Z", "ms": -99342915406.2151 }, "end": { "local": "1966-11-09T01:58:32+00:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-11-08", "window": { "start": { "local": "1966-11-08T06:27:27+00:00", "utc": "1966-11-08T06:27:27Z", "ms": -99336752759.9559 }, "end": { "local": "1966-11-08T06:27:27+00:00", "utc": "1966-11-08T06:27:27Z", "ms": -99336752759.9559 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T06:27:48+00:00", "utc": "1966-11-09T06:27:48Z", "ms": -99250331774.37254 }, "end": { "local": "1966-11-09T06:27:48+00:00", "utc": "1966-11-09T06:27:48Z", "ms": -99250331774.37254 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:45 on Tue 8 Nov to 01:59 on Wed 9 Nov.", "fact": "1966-11-08T04:44:45Z → 1966-11-09T01:58:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 8th and 06:28 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6163 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Bamako, 1966: Tuesday 8 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": "1966-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-08", "confidence": "determinate" } ], "quote": "In Bamako, Ramā Ekādaśī 1966 falls on Tuesday 8 November. Ekādaśī runs from 04:45 on Tue 8 Nov to 01:59 on Wed 9 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-11-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11959, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-11-09T01:58:32+00:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "end": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-09T01:58:32+00:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "end": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-08", "window": { "start": { "local": "1966-11-08T18:03:44+00:00", "utc": "1966-11-08T18:03:44Z", "ms": -99294976302.05617 }, "end": { "local": "1966-11-08T19:42:56+00:00", "utc": "1966-11-08T19:42:56Z", "ms": -99289023698.36502 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T18:03:32+00:00", "utc": "1966-11-09T18:03:32Z", "ms": -99208588171.88957 }, "end": { "local": "1966-11-09T19:42:49+00:00", "utc": "1966-11-09T19:42:49Z", "ms": -99202631102.56676 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:59 on Wed 9 Nov to 23:02 on Wed 9 Nov.", "fact": "1966-11-09T01:58:32Z → 1966-11-09T23:02:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 8th, 18:04–19:43 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 8th and 99 of 99 on the 9th.", "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 11959 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Bamako, 1966: Wednesday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-09", "confidence": "determinate" } ], "quote": "In Bamako, Govatsa Dvādaśī (Vasu Baras) 1966 falls on Wednesday 9 November. Dvādaśī runs from 01:59 on Wed 9 Nov to 23:02 on Wed 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1198, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T18:03:32+00:00", "utc": "1966-11-09T18:03:32Z", "ms": -99208588171.88957 }, "end": { "local": "1966-11-09T19:42:49+00:00", "utc": "1966-11-09T19:42:49Z", "ms": -99202631102.56676 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T18:03:21+00:00", "utc": "1966-11-10T18:03:21Z", "ms": -99122198952.21155 }, "end": { "local": "1966-11-10T19:42:43+00:00", "utc": "1966-11-10T19:42:43Z", "ms": -99116237478.8264 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:02 on Wed 9 Nov to 20:03 on Thu 10 Nov.", "fact": "1966-11-09T23:02:08Z → 1966-11-10T20:02:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 9th, 18:03–19:43 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 9th and 99 of 99 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1198 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Bamako, 1966: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-10", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dīpadāna 1966 falls on Thursday 10 November. Trayodaśī runs from 23:02 on Wed 9 Nov to 20:03 on Thu 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-11-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1198, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-09T23:02:08+00:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T18:03:32+00:00", "utc": "1966-11-09T18:03:32Z", "ms": -99208588171.88957 }, "end": { "local": "1966-11-09T19:42:49+00:00", "utc": "1966-11-09T19:42:49Z", "ms": -99202631102.56676 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T18:03:21+00:00", "utc": "1966-11-10T18:03:21Z", "ms": -99122198952.21155 }, "end": { "local": "1966-11-10T19:42:43+00:00", "utc": "1966-11-10T19:42:43Z", "ms": -99116237478.8264 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:02 on Wed 9 Nov to 20:03 on Thu 10 Nov.", "fact": "1966-11-09T23:02:08Z → 1966-11-10T20:02:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 9th, 18:03–19:43 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 9th and 99 of 99 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1198 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Thursday 10 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": "1966-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-10", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 10 November. Trayodaśī runs from 23:02 on Wed 9 Nov to 20:03 on Thu 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-11-10", "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/1966/shivaratri?on=1966-11-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13756, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T23:51:57+00:00", "utc": "1966-11-10T23:51:57Z", "ms": -99101283427.01724 }, "end": { "local": "1966-11-11T00:39:57+00:00", "utc": "1966-11-11T00:39:57Z", "ms": -99098403427.01724 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T23:52:03+00:00", "utc": "1966-11-11T23:52:03Z", "ms": -99014876836.0643 }, "end": { "local": "1966-11-12T00:40:03+00:00", "utc": "1966-11-12T00:40:03Z", "ms": -99011996836.0643 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:03 on Thu 10 Nov to 17:08 on Fri 11 Nov.", "fact": "1966-11-10T20:02:40Z → 1966-11-11T17:07:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 10th, 23:52–00:40 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13756 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-10", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Thursday 10 November. Caturdaśī runs from 20:03 on Thu 10 Nov to 17:08 on Fri 11 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-11-10", "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/1966/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31591, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-10T20:02:40+00:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T04:49:11+00:00", "utc": "1966-11-11T04:49:11Z", "ms": -99083449375.20807 }, "end": { "local": "1966-11-11T06:28:32+00:00", "utc": "1966-11-11T06:28:32Z", "ms": -99077487901.82292 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T04:49:29+00:00", "utc": "1966-11-12T04:49:29Z", "ms": -98997030848.65346 }, "end": { "local": "1966-11-12T06:28:55+00:00", "utc": "1966-11-12T06:28:55Z", "ms": -98991065035.04951 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:03 on Thu 10 Nov to 17:08 on Fri 11 Nov.", "fact": "1966-11-10T20:02:40Z → 1966-11-11T17:07:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:49–06:29 on the 11th, 04:49–06:29 on the 12th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 99 of 99 minutes on the 11th and 0 of 99 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31591 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Bamako, 1966: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "determinate" } ], "quote": "In Bamako, Naraka Caturdaśī (Choti Diwali) 1966 falls on Friday 11 November. Caturdaśī runs from 20:03 on Thu 10 Nov to 17:08 on Fri 11 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3313, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T18:03:11+00:00", "utc": "1966-11-11T18:03:11Z", "ms": -99035808637.0791 }, "end": { "local": "1966-11-11T19:42:37+00:00", "utc": "1966-11-11T19:42:37Z", "ms": -99029842823.47516 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T18:03:03+00:00", "utc": "1966-11-12T18:03:03Z", "ms": -98949417222.19519 }, "end": { "local": "1966-11-12T19:42:33+00:00", "utc": "1966-11-12T19:42:33Z", "ms": -98943447134.49371 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:08 on Fri 11 Nov to 14:26 on Sat 12 Nov.", "fact": "1966-11-11T17:07:58Z → 1966-11-12T14:26:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:43 on the 11th, 18:03–19:43 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 99 of 99 minutes on the 11th and 0 of 100 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3313 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Bamako, 1966: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "determinate" } ], "quote": "In Bamako, Lakṣmī Pūjā (Diwali) 1966 falls on Friday 11 November. Amāvasyā runs from 17:08 on Fri 11 Nov to 14:26 on Sat 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24245, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-11T17:07:58+00:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T23:52:03+00:00", "utc": "1966-11-11T23:52:03Z", "ms": -99014876836.0643 }, "end": { "local": "1966-11-12T00:40:03+00:00", "utc": "1966-11-12T00:40:03Z", "ms": -99011996836.0643 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T23:52:11+00:00", "utc": "1966-11-12T23:52:11Z", "ms": -98928469393.31467 }, "end": { "local": "1966-11-13T00:40:11+00:00", "utc": "1966-11-13T00:40:11Z", "ms": -98925589393.31467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:08 on Fri 11 Nov to 14:26 on Sat 12 Nov.", "fact": "1966-11-11T17:07:58Z → 1966-11-12T14:26:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 11th, 23:52–00:40 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "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 24245 s" }, { "step": "ruling", "text": "Kālī Pūjā, Bamako, 1966: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "determinate" } ], "quote": "In Bamako, Kālī Pūjā 1966 falls on Friday 11 November. Amāvasyā runs from 17:08 on Fri 11 Nov to 14:26 on Sat 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13004, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T18:03:03+00:00", "utc": "1966-11-12T18:03:03Z", "ms": -98949417222.19519 }, "end": { "local": "1966-11-12T19:42:33+00:00", "utc": "1966-11-12T19:42:33Z", "ms": -98943447134.49371 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T18:02:55+00:00", "utc": "1966-11-13T18:02:55Z", "ms": -98863024704.44984 }, "end": { "local": "1966-11-13T19:42:30+00:00", "utc": "1966-11-13T19:42:30Z", "ms": -98857050411.05042 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:43 on the 12th, 18:03–19:42 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 100 of 100 minutes on the 12th and 0 of 100 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13004 s" }, { "step": "ruling", "text": "Bali Pūjā, Bamako, 1966: Saturday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-12", "confidence": "determinate" } ], "quote": "In Bamako, Bali Pūjā 1966 falls on Saturday 12 November. Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 839, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T11:51:59+00:00", "utc": "1966-11-12T11:51:59Z", "ms": -98971681128.62234 }, "end": { "local": "1966-11-12T12:39:59+00:00", "utc": "1966-11-12T12:39:59Z", "ms": -98968801128.62234 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T11:52:07+00:00", "utc": "1966-11-13T11:52:07Z", "ms": -98885273134.44199 }, "end": { "local": "1966-11-13T12:40:07+00:00", "utc": "1966-11-13T12:40:07Z", "ms": -98882393134.44199 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 12th, 11:52–12:40 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 14 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 839 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Bamako, 1966: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Bamako, Govardhana Pūjā 1966 falls on Sunday 13 November. Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov and covers 14 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 839, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "end": { "local": "1966-11-14T10:15:21+00:00", "utc": "1966-11-14T10:15:21Z", "ms": -98804679187.8472 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "end": { "local": "1966-11-14T10:15:21+00:00", "utc": "1966-11-14T10:15:21Z", "ms": -98804679187.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T11:52:07+00:00", "utc": "1966-11-13T11:52:07Z", "ms": -98885273134.44199 }, "end": { "local": "1966-11-13T12:40:07+00:00", "utc": "1966-11-13T12:40:07Z", "ms": -98882393134.44199 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-14", "window": { "start": { "local": "1966-11-14T11:52:16+00:00", "utc": "1966-11-14T11:52:16Z", "ms": -98798864292.6924 }, "end": { "local": "1966-11-14T12:40:16+00:00", "utc": "1966-11-14T12:40:16Z", "ms": -98795984292.6924 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:06 on Sun 13 Nov to 10:15 on Mon 14 Nov.", "fact": "1966-11-13T12:06:06Z → 1966-11-14T10:15:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 13th, 11:52–12:40 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 34 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 839 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Bamako, 1966: Sunday 13 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": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Bamako, Yama Dvitīyā (Bhai Dooj) 1966 falls on Sunday 13 November. Dvitīyā runs from 12:06 on Sun 13 Nov to 10:15 on Mon 14 Nov and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6335, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T14:26:19+00:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T12:06:06+00:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T06:28:55+00:00", "utc": "1966-11-12T06:28:55Z", "ms": -98991065035.04951 }, "end": { "local": "1966-11-12T10:20:18+00:00", "utc": "1966-11-12T10:20:18Z", "ms": -98977182430.76474 } }, "covered_min": 0, "window_min": 231, "qualifies": false }, { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T06:29:18+00:00", "utc": "1966-11-13T06:29:18Z", "ms": -98904641564.43414 }, "end": { "local": "1966-11-13T10:20:31+00:00", "utc": "1966-11-13T10:20:31Z", "ms": -98890769277.7727 } }, "covered_min": 231, "window_min": 231, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:29–10:20 on the 12th, 06:29–10:21 on the 13th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 231 minutes on the 12th and 231 of 231 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6335 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Bamako, 1966: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Bamako, Dyūta Pratipad 1966 falls on Sunday 13 November. Pratipadā runs from 14:26 on Sat 12 Nov to 12:06 on Sun 13 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10271, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-15T09:01:15+00:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T08:29:18+00:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-15T09:01:15+00:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T08:29:18+00:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-15", "window": { "start": { "local": "1966-11-15T11:52:25+00:00", "utc": "1966-11-15T11:52:25Z", "ms": -98712454609.66731 }, "end": { "local": "1966-11-15T12:40:25+00:00", "utc": "1966-11-15T12:40:25Z", "ms": -98709574609.66731 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-16", "window": { "start": { "local": "1966-11-16T11:52:36+00:00", "utc": "1966-11-16T11:52:36Z", "ms": -98626044091.89026 }, "end": { "local": "1966-11-16T12:40:36+00:00", "utc": "1966-11-16T12:40:36Z", "ms": -98623164091.89026 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:01 on Tue 15 Nov to 08:29 on Wed 16 Nov.", "fact": "1966-11-15T09:01:15Z → 1966-11-16T08:29:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 15th, 11:53–12:41 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10271 s" }, { "step": "ruling", "text": "Nāga Caturthī, Bamako, 1966: Tuesday 15 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": "1966-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-15", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Caturthī 1966 falls on Tuesday 15 November. Caturthī runs from 09:01 on Tue 15 Nov to 08:29 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-11-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10271, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-15T09:01:15+00:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T08:29:18+00:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-15T09:01:15+00:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T08:29:18+00:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-15", "window": { "start": { "local": "1966-11-15T11:52:25+00:00", "utc": "1966-11-15T11:52:25Z", "ms": -98712454609.66731 }, "end": { "local": "1966-11-15T12:40:25+00:00", "utc": "1966-11-15T12:40:25Z", "ms": -98709574609.66731 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-16", "window": { "start": { "local": "1966-11-16T11:52:36+00:00", "utc": "1966-11-16T11:52:36Z", "ms": -98626044091.89026 }, "end": { "local": "1966-11-16T12:40:36+00:00", "utc": "1966-11-16T12:40:36Z", "ms": -98623164091.89026 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:01 on Tue 15 Nov to 08:29 on Wed 16 Nov.", "fact": "1966-11-15T09:01:15Z → 1966-11-16T08:29:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 15th, 11:53–12:41 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10271 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Tuesday 15 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": "1966-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-15", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Tuesday 15 November. Caturthī runs from 09:01 on Tue 15 Nov to 08:29 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7958, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-11-17T08:42:29+00:00", "utc": "1966-11-17T08:42:29Z", "ms": -98551050986.23756 }, "end": { "local": "1966-11-18T09:40:22+00:00", "utc": "1966-11-18T09:40:22Z", "ms": -98461178469.68811 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-17T08:42:29+00:00", "utc": "1966-11-17T08:42:29Z", "ms": -98551050986.23756 }, "end": { "local": "1966-11-18T09:40:22+00:00", "utc": "1966-11-18T09:40:22Z", "ms": -98461178469.68811 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-17", "window": { "start": { "local": "1966-11-17T11:52:47+00:00", "utc": "1966-11-17T11:52:47Z", "ms": -98539632746.01099 }, "end": { "local": "1966-11-17T12:40:47+00:00", "utc": "1966-11-17T12:40:47Z", "ms": -98536752746.01099 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-18", "window": { "start": { "local": "1966-11-18T11:52:59+00:00", "utc": "1966-11-18T11:52:59Z", "ms": -98453220578.84854 }, "end": { "local": "1966-11-18T12:40:59+00:00", "utc": "1966-11-18T12:40:59Z", "ms": -98450340578.84854 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:42 on Thu 17 Nov to 09:40 on Fri 18 Nov.", "fact": "1966-11-17T08:42:29Z → 1966-11-18T09:40:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 17th, 11:53–12:41 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7958 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Bamako, 1966: Thursday 17 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": "1966-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-17", "confidence": "determinate" } ], "quote": "In Bamako, Sūrya Ṣaṣṭhī (Chhath) 1966 falls on Thursday 17 November. Ṣaṣṭhī runs from 08:42 on Thu 17 Nov to 09:40 on Fri 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2088, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-11-19T11:18:25+00:00", "utc": "1966-11-19T11:18:25Z", "ms": -98368895243.47903 }, "end": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-19T11:18:25+00:00", "utc": "1966-11-19T11:18:25Z", "ms": -98368895243.47903 }, "end": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-19", "window": { "start": { "local": "1966-11-19T11:53:12+00:00", "utc": "1966-11-19T11:53:12Z", "ms": -98366807597.51143 }, "end": { "local": "1966-11-19T12:41:12+00:00", "utc": "1966-11-19T12:41:12Z", "ms": -98363927597.51143 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-20", "window": { "start": { "local": "1966-11-20T11:53:26+00:00", "utc": "1966-11-20T11:53:26Z", "ms": -98280393809.53088 }, "end": { "local": "1966-11-20T12:41:26+00:00", "utc": "1966-11-20T12:41:26Z", "ms": -98277513809.53088 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:18 on Sat 19 Nov to 13:28 on Sun 20 Nov.", "fact": "1966-11-19T11:18:25Z → 1966-11-20T13:28:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 19th, 11:53–12:41 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2088 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Bamako, 1966: Saturday 19 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-20", "confidence": "boundary" } ], "quote": "In Bamako, Gopāṣṭamī 1966 falls on Saturday 19 November. Aṣṭamī runs from 11:18 on Sat 19 Nov to 13:28 on Sun 20 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11138, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T15:57:17+00:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T15:57:17+00:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-11-20", "window": { "start": { "local": "1966-11-20T06:32:18+00:00", "utc": "1966-11-20T06:32:18Z", "ms": -98299661592.07864 }, "end": { "local": "1966-11-20T10:22:24+00:00", "utc": "1966-11-20T10:22:24Z", "ms": -98285856403.71347 } }, "covered_min": 0, "window_min": 230, "qualifies": false }, { "local_date": "1966-11-21", "window": { "start": { "local": "1966-11-21T06:32:46+00:00", "utc": "1966-11-21T06:32:46Z", "ms": -98213233825.88182 }, "end": { "local": "1966-11-21T10:22:43+00:00", "utc": "1966-11-21T10:22:43Z", "ms": -98199437423.94148 } }, "covered_min": 230, "window_min": 230, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 13:28 on Sun 20 Nov to 15:57 on Mon 21 Nov.", "fact": "1966-11-20T13:28:02Z → 1966-11-21T15:57:17Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:32–10:22 on the 20th, 06:33–10:23 on the 21st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 230 minutes on the 20th and 230 of 230 on the 21st.", "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 11138 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Bamako, 1966: Monday 21 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": "1966-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-21", "confidence": "determinate" } ], "quote": "In Bamako, Akṣaya Navamī (Amla Navami) 1966 falls on Monday 21 November. Navamī runs from 13:28 on Sun 20 Nov to 15:57 on Mon 21 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2796, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T15:57:17+00:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-20T13:28:02+00:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T15:57:17+00:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-20", "window": { "start": { "local": "1966-11-20T11:53:26+00:00", "utc": "1966-11-20T11:53:26Z", "ms": -98280393809.53088 }, "end": { "local": "1966-11-20T12:41:26+00:00", "utc": "1966-11-20T12:41:26Z", "ms": -98277513809.53088 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-21", "window": { "start": { "local": "1966-11-21T11:53:41+00:00", "utc": "1966-11-21T11:53:41Z", "ms": -98193979222.97131 }, "end": { "local": "1966-11-21T12:41:41+00:00", "utc": "1966-11-21T12:41:41Z", "ms": -98191099222.97131 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 13:28 on Sun 20 Nov to 15:57 on Mon 21 Nov.", "fact": "1966-11-20T13:28:02Z → 1966-11-21T15:57:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:54–12:42 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2796 s" }, { "step": "ruling", "text": "Durgā Navamī, Bamako, 1966: Monday 21 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": "1966-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-21", "confidence": "boundary" } ], "quote": "In Bamako, Durgā Navamī 1966 falls on Monday 21 November. Navamī runs from 13:28 on Sun 20 Nov to 15:57 on Mon 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-11-23", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34433, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-11-22T18:32:30+00:00", "utc": "1966-11-22T18:32:30Z", "ms": -98083649664.5775 }, "end": { "local": "1966-11-23T21:00:19+00:00", "utc": "1966-11-23T21:00:19Z", "ms": -97988380745.06699 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-22T18:32:30+00:00", "utc": "1966-11-22T18:32:30Z", "ms": -98083649664.5775 }, "end": { "local": "1966-11-23T21:00:19+00:00", "utc": "1966-11-23T21:00:19Z", "ms": -97988380745.06699 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-11-23", "window": { "start": { "local": "1966-11-23T06:33:43+00:00", "utc": "1966-11-23T06:33:43Z", "ms": -98040376913.36816 }, "end": { "local": "1966-11-23T06:33:43+00:00", "utc": "1966-11-23T06:33:43Z", "ms": -98040376913.36816 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-24", "window": { "start": { "local": "1966-11-24T06:34:12+00:00", "utc": "1966-11-24T06:34:12Z", "ms": -97953947802.06458 }, "end": { "local": "1966-11-24T06:34:12+00:00", "utc": "1966-11-24T06:34:12Z", "ms": -97953947802.06458 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:33 on Tue 22 Nov to 21:00 on Wed 23 Nov.", "fact": "1966-11-22T18:32:30Z → 1966-11-23T21:00:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 23rd and 06:34 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34433 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Bamako, 1966: Wednesday 23 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": "1966-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-23", "confidence": "determinate" } ], "quote": "In Bamako, Prabodhinī Ekādaśī 1966 falls on Wednesday 23 November. Ekādaśī runs from 18:33 on Tue 22 Nov to 21:00 on Wed 23 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-11-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12382, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-24T23:09:24+00:00", "utc": "1966-11-24T23:09:24Z", "ms": -97894235884.3191 }, "end": { "local": "1966-11-26T00:51:38+00:00", "utc": "1966-11-26T00:51:38Z", "ms": -97801702142.60219 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-24T23:09:24+00:00", "utc": "1966-11-24T23:09:24Z", "ms": -97894235884.3191 }, "end": { "local": "1966-11-26T00:51:38+00:00", "utc": "1966-11-26T00:51:38Z", "ms": -97801702142.60219 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-24", "window": { "start": { "local": "1966-11-24T18:02:46+00:00", "utc": "1966-11-24T18:02:46Z", "ms": -97912633721.43303 }, "end": { "local": "1966-11-24T19:43:02+00:00", "utc": "1966-11-24T19:43:02Z", "ms": -97906618329.01569 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "1966-11-25", "window": { "start": { "local": "1966-11-25T18:02:52+00:00", "utc": "1966-11-25T18:02:52Z", "ms": -97826227869.74693 }, "end": { "local": "1966-11-25T19:43:11+00:00", "utc": "1966-11-25T19:43:11Z", "ms": -97820209268.56937 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:09 on Thu 24 Nov to 00:52 on Sat 26 Nov.", "fact": "1966-11-24T23:09:24Z → 1966-11-26T00:51:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:43 on the 24th, 18:03–19:43 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 24th and 100 of 100 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12382 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Friday 25 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": "1966-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-25", "confidence": "determinate" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Friday 25 November. Trayodaśī runs from 23:09 on Thu 24 Nov to 00:52 on Sat 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-11-25", "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/1966/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33322, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-11-27T02:02:25+00:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T02:40:22+00:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-27T02:02:25+00:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T02:40:22+00:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-27", "window": { "start": { "local": "1966-11-27T11:55:25+00:00", "utc": "1966-11-27T11:55:25Z", "ms": -97675475464.17706 }, "end": { "local": "1966-11-27T12:43:25+00:00", "utc": "1966-11-27T12:43:25Z", "ms": -97672595464.17706 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-28", "window": { "start": { "local": "1966-11-28T11:55:44+00:00", "utc": "1966-11-28T11:55:44Z", "ms": -97589055566.58688 }, "end": { "local": "1966-11-28T12:43:44+00:00", "utc": "1966-11-28T12:43:44Z", "ms": -97586175566.58688 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:02 on Sun 27 Nov to 02:40 on Mon 28 Nov.", "fact": "1966-11-27T02:02:25Z → 1966-11-28T02:40:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 27th, 11:56–12:44 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33322 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Bamako, 1966: Sunday 27 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": "1966-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-27", "confidence": "determinate" } ], "quote": "In Bamako, Kārtikī Pūrṇimā 1966 falls on Sunday 27 November. Pūrṇimā runs from 02:02 on Sun 27 Nov to 02:40 on Mon 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4745, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-11-27T02:02:25+00:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T02:40:22+00:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-27T02:02:25+00:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T02:40:22+00:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-26", "window": { "start": { "local": "1966-11-26T23:55:21+00:00", "utc": "1966-11-26T23:55:21Z", "ms": -97718679491.70345 }, "end": { "local": "1966-11-27T00:43:21+00:00", "utc": "1966-11-27T00:43:21Z", "ms": -97715799491.70345 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-27", "window": { "start": { "local": "1966-11-27T23:55:40+00:00", "utc": "1966-11-27T23:55:40Z", "ms": -97632260141.18771 }, "end": { "local": "1966-11-28T00:43:40+00:00", "utc": "1966-11-28T00:43:40Z", "ms": -97629380141.18771 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:02 on Sun 27 Nov to 02:40 on Mon 28 Nov.", "fact": "1966-11-27T02:02:25Z → 1966-11-28T02:40:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 26th, 23:56–00:44 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4745 s" }, { "step": "ruling", "text": "Rāsayātrā, Bamako, 1966: Sunday 27 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": "1966-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-27", "confidence": "determinate" } ], "quote": "In Bamako, Rāsayātrā 1966 falls on Sunday 27 November. Pūrṇimā runs from 02:02 on Sun 27 Nov to 02:40 on Mon 28 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-12-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10993, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-01T01:35:26+00:00", "utc": "1966-12-01T01:35:26Z", "ms": -97367074360.58617 }, "end": { "local": "1966-12-02T00:25:36+00:00", "utc": "1966-12-02T00:25:36Z", "ms": -97284863532.7435 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-01T01:35:26+00:00", "utc": "1966-12-01T01:35:26Z", "ms": -97367074360.58617 }, "end": { "local": "1966-12-02T00:25:36+00:00", "utc": "1966-12-02T00:25:36Z", "ms": -97284863532.7435 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-30", "window": { "start": { "local": "1966-11-30T20:22:01+00:00", "utc": "1966-11-30T20:22:01Z", "ms": -97385879326.91513 }, "end": { "local": "1966-11-30T20:22:01+00:00", "utc": "1966-11-30T20:22:01Z", "ms": -97385879326.91513 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-12-01", "window": { "start": { "local": "1966-12-01T21:22:23+00:00", "utc": "1966-12-01T21:22:23Z", "ms": -97295856552.27933 }, "end": { "local": "1966-12-01T21:22:23+00:00", "utc": "1966-12-01T21:22:23Z", "ms": -97295856552.27933 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:35 on Thu 1 Dec to 00:26 on Fri 2 Dec.", "fact": "1966-12-01T01:35:26Z → 1966-12-02T00:25:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:22 on the 30th and 21:22 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10993 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Thursday 1 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": "1966-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-01", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Thursday 1 December. Caturthī runs from 01:35 on Thu 1 Dec to 00:26 on Fri 2 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/ekadashi?on=1966-12-08", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14576, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-12-07T12:57:58+00:00", "utc": "1966-12-07T12:57:58Z", "ms": -96807721660.20338 }, "end": { "local": "1966-12-08T10:44:30+00:00", "utc": "1966-12-08T10:44:30Z", "ms": -96729330332.18639 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-07T12:57:58+00:00", "utc": "1966-12-07T12:57:58Z", "ms": -96807721660.20338 }, "end": { "local": "1966-12-08T10:44:30+00:00", "utc": "1966-12-08T10:44:30Z", "ms": -96729330332.18639 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-12-07", "window": { "start": { "local": "1966-12-07T06:41:01+00:00", "utc": "1966-12-07T06:41:01Z", "ms": -96830339426.46681 }, "end": { "local": "1966-12-07T06:41:01+00:00", "utc": "1966-12-07T06:41:01Z", "ms": -96830339426.46681 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-12-08", "window": { "start": { "local": "1966-12-08T06:41:33+00:00", "utc": "1966-12-08T06:41:33Z", "ms": -96743906566.98083 }, "end": { "local": "1966-12-08T06:41:33+00:00", "utc": "1966-12-08T06:41:33Z", "ms": -96743906566.98083 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:58 on Wed 7 Dec to 10:44 on Thu 8 Dec.", "fact": "1966-12-07T12:57:58Z → 1966-12-08T10:44:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 7th and 06:42 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14576 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Bamako, 1966: Thursday 8 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": "1966-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-08", "confidence": "determinate" } ], "quote": "In Bamako, Utpannā Ekādaśī 1966 falls on Thursday 8 December. Ekādaśī runs from 12:58 on Wed 7 Dec to 10:44 on Thu 8 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/pradosha-vrata?on=1966-12-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34315, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-12-09T08:34:11+00:00", "utc": "1966-12-09T08:34:11Z", "ms": -96650748514.49026 }, "end": { "local": "1966-12-10T06:31:45+00:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-09T08:34:11+00:00", "utc": "1966-12-09T08:34:11Z", "ms": -96650748514.49026 }, "end": { "local": "1966-12-10T06:31:45+00:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-09", "window": { "start": { "local": "1966-12-09T18:06:06+00:00", "utc": "1966-12-09T18:06:06Z", "ms": -96616433609.23586 }, "end": { "local": "1966-12-09T19:46:59+00:00", "utc": "1966-12-09T19:46:59Z", "ms": -96610381224.30579 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1966-12-10", "window": { "start": { "local": "1966-12-10T18:06:28+00:00", "utc": "1966-12-10T18:06:28Z", "ms": -96530012245.37859 }, "end": { "local": "1966-12-10T19:47:22+00:00", "utc": "1966-12-10T19:47:22Z", "ms": -96523958321.11847 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:34 on Fri 9 Dec to 06:32 on Sat 10 Dec.", "fact": "1966-12-09T08:34:11Z → 1966-12-10T06:31:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:47 on the 9th, 18:06–19:47 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 9th and 0 of 101 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34315 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Bamako, 1966: Friday 9 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": "1966-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-09", "confidence": "determinate" } ], "quote": "In Bamako, Kṛṣṇa Pradoṣa Vrata 1966 falls on Friday 9 December. Trayodaśī runs from 08:34 on Fri 9 Dec to 06:32 on Sat 10 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/pradosha-vrata?on=1966-12-09", "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/1966/shivaratri?on=1966-12-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14033, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-12-10T06:31:45+00:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "end": { "local": "1966-12-11T04:42:43+00:00", "utc": "1966-12-11T04:42:43Z", "ms": -96491837212.63164 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-10T06:31:45+00:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "end": { "local": "1966-12-11T04:42:43+00:00", "utc": "1966-12-11T04:42:43Z", "ms": -96491837212.63164 } }, "kaala": "nishita", "days": [ { "local_date": "1966-12-09", "window": { "start": { "local": "1966-12-10T00:00:23+00:00", "utc": "1966-12-10T00:00:23Z", "ms": -96595177165.74812 }, "end": { "local": "1966-12-10T00:48:23+00:00", "utc": "1966-12-10T00:48:23Z", "ms": -96592297165.74812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-12-10", "window": { "start": { "local": "1966-12-11T00:00:50+00:00", "utc": "1966-12-11T00:00:50Z", "ms": -96508750029.40317 }, "end": { "local": "1966-12-11T00:48:50+00:00", "utc": "1966-12-11T00:48:50Z", "ms": -96505870029.40317 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:32 on Sat 10 Dec to 04:43 on Sun 11 Dec.", "fact": "1966-12-10T06:31:45Z → 1966-12-11T04:42:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:00–00:48 on the 9th, 00:01–00:49 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14033 s" }, { "step": "ruling", "text": "Śivarātri, Bamako, 1966: Saturday 10 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": "1966-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-10", "confidence": "determinate" } ], "quote": "In Bamako, Śivarātri 1966 falls on Saturday 10 December. Caturdaśī runs from 06:32 on Sat 10 Dec to 04:43 on Sun 11 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/bamako/festivals/1966/shivaratri?on=1966-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/vinayaka-chaturthi?on=1966-12-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34351, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-15T01:44:45+00:00", "utc": "1966-12-15T01:44:45Z", "ms": -96156914918.22366 }, "end": { "local": "1966-12-16T02:30:53+00:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-15T01:44:45+00:00", "utc": "1966-12-15T01:44:45Z", "ms": -96156914918.22366 }, "end": { "local": "1966-12-16T02:30:53+00:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-15", "window": { "start": { "local": "1966-12-15T12:02:55+00:00", "utc": "1966-12-15T12:02:55Z", "ms": -96119825021.08585 }, "end": { "local": "1966-12-15T12:50:55+00:00", "utc": "1966-12-15T12:50:55Z", "ms": -96116945021.08585 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-16", "window": { "start": { "local": "1966-12-16T12:03:24+00:00", "utc": "1966-12-16T12:03:24Z", "ms": -96033395834.95102 }, "end": { "local": "1966-12-16T12:51:24+00:00", "utc": "1966-12-16T12:51:24Z", "ms": -96030515834.95102 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:45 on Thu 15 Dec to 02:31 on Fri 16 Dec.", "fact": "1966-12-15T01:44:45Z → 1966-12-16T02:30:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 15th, 12:03–12:51 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34351 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Bamako, 1966: Thursday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-15", "confidence": "determinate" } ], "quote": "In Bamako, Vināyaka Caturthī 1966 falls on Thursday 15 December. Caturthī runs from 01:45 on Thu 15 Dec to 02:31 on Fri 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/vinayaka-chaturthi?on=1966-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29241, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-12-16T02:30:53+00:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "end": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-16T02:30:53+00:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "end": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-16", "window": { "start": { "local": "1966-12-16T12:03:24+00:00", "utc": "1966-12-16T12:03:24Z", "ms": -96033395834.95102 }, "end": { "local": "1966-12-16T12:51:24+00:00", "utc": "1966-12-16T12:51:24Z", "ms": -96030515834.95102 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T12:03:54+00:00", "utc": "1966-12-17T12:03:54Z", "ms": -95946966434.38025 }, "end": { "local": "1966-12-17T12:51:54+00:00", "utc": "1966-12-17T12:51:54Z", "ms": -95944086434.38025 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:31 on Fri 16 Dec to 03:57 on Sat 17 Dec.", "fact": "1966-12-16T02:30:53Z → 1966-12-17T03:56:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:04–12:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29241 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Bamako, 1966: Friday 16 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": "1966-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-16", "confidence": "determinate" } ], "quote": "In Bamako, Nāga Pañcamī (Mārgaśīrṣa) 1966 falls on Friday 16 December. Pañcamī runs from 02:31 on Fri 16 Dec to 03:57 on Sat 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22048, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T12:03:54+00:00", "utc": "1966-12-17T12:03:54Z", "ms": -95946966434.38025 }, "end": { "local": "1966-12-17T12:51:54+00:00", "utc": "1966-12-17T12:51:54Z", "ms": -95944086434.38025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T12:04:23+00:00", "utc": "1966-12-18T12:04:23Z", "ms": -95860536854.48601 }, "end": { "local": "1966-12-18T12:52:23+00:00", "utc": "1966-12-18T12:52:23Z", "ms": -95857656854.48601 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:57 on Sat 17 Dec to 05:57 on Sun 18 Dec.", "fact": "1966-12-17T03:56:32Z → 1966-12-18T05:56:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:04–12:52 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22048 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Bamako, 1966: Saturday 17 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": "1966-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-17", "confidence": "determinate" } ], "quote": "In Bamako, Campā Ṣaṣṭhī 1966 falls on Saturday 17 December. Ṣaṣṭhī runs from 03:57 on Sat 17 Dec to 05:57 on Sun 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22048, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-17T03:56:32+00:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T12:03:54+00:00", "utc": "1966-12-17T12:03:54Z", "ms": -95946966434.38025 }, "end": { "local": "1966-12-17T12:51:54+00:00", "utc": "1966-12-17T12:51:54Z", "ms": -95944086434.38025 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T12:04:23+00:00", "utc": "1966-12-18T12:04:23Z", "ms": -95860536854.48601 }, "end": { "local": "1966-12-18T12:52:23+00:00", "utc": "1966-12-18T12:52:23Z", "ms": -95857656854.48601 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:57 on Sat 17 Dec to 05:57 on Sun 18 Dec.", "fact": "1966-12-17T03:56:32Z → 1966-12-18T05:56:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:04–12:52 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22048 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Bamako, 1966: Saturday 17 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": "1966-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-17", "confidence": "determinate" } ], "quote": "In Bamako, Skanda Ṣaṣṭhī 1966 falls on Saturday 17 December. Ṣaṣṭhī runs from 03:57 on Sat 17 Dec to 05:57 on Sun 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13339, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "end": { "local": "1966-12-19T08:22:34+00:00", "utc": "1966-12-19T08:22:34Z", "ms": -95787445849.01962 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-18T05:56:55+00:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "end": { "local": "1966-12-19T08:22:34+00:00", "utc": "1966-12-19T08:22:34Z", "ms": -95787445849.01962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T12:04:23+00:00", "utc": "1966-12-18T12:04:23Z", "ms": -95860536854.48601 }, "end": { "local": "1966-12-18T12:52:23+00:00", "utc": "1966-12-18T12:52:23Z", "ms": -95857656854.48601 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-19", "window": { "start": { "local": "1966-12-19T12:04:53+00:00", "utc": "1966-12-19T12:04:53Z", "ms": -95774107130.0465 }, "end": { "local": "1966-12-19T12:52:53+00:00", "utc": "1966-12-19T12:52:53Z", "ms": -95771227130.0465 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:57 on Sun 18 Dec to 08:23 on Mon 19 Dec.", "fact": "1966-12-18T05:56:55Z → 1966-12-19T08:22:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 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": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13339 s" }, { "step": "ruling", "text": "Mitra Saptamī, Bamako, 1966: Sunday 18 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": "1966-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-18", "confidence": "determinate" } ], "quote": "In Bamako, Mitra Saptamī 1966 falls on Sunday 18 December. Saptamī runs from 05:57 on Sun 18 Dec to 08:23 on Mon 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/ekadashi?on=1966-12-23", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32424, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-12-22T15:49:25+00:00", "utc": "1966-12-22T15:49:25Z", "ms": -95501434652.75267 }, "end": { "local": "1966-12-23T17:33:31+00:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-22T15:49:25+00:00", "utc": "1966-12-22T15:49:25Z", "ms": -95501434652.75267 }, "end": { "local": "1966-12-23T17:33:31+00:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-12-22", "window": { "start": { "local": "1966-12-22T06:49:01+00:00", "utc": "1966-12-22T06:49:01Z", "ms": -95533858577.07072 }, "end": { "local": "1966-12-22T06:49:01+00:00", "utc": "1966-12-22T06:49:01Z", "ms": -95533858577.07072 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-12-23", "window": { "start": { "local": "1966-12-23T06:49:31+00:00", "utc": "1966-12-23T06:49:31Z", "ms": -95447428964.19383 }, "end": { "local": "1966-12-23T06:49:31+00:00", "utc": "1966-12-23T06:49:31Z", "ms": -95447428964.19383 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:49 on Thu 22 Dec to 17:34 on Fri 23 Dec.", "fact": "1966-12-22T15:49:25Z → 1966-12-23T17:33:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:49 on the 22nd and 06:50 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32424 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Bamako, 1966: Friday 23 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": "1966-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-23", "confidence": "determinate" } ], "quote": "In Bamako, Mokṣadā Ekādaśī 1966 falls on Friday 23 December. Ekādaśī runs from 15:49 on Thu 22 Dec to 17:34 on Fri 23 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/ekadashi?on=1966-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/bamako/festivals/1966/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16718, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-12-23T17:33:31+00:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "end": { "local": "1966-12-24T18:38:16+00:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-23T17:33:31+00:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "end": { "local": "1966-12-24T18:38:16+00:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-23", "window": { "start": { "local": "1966-12-23T12:06:53+00:00", "utc": "1966-12-23T12:06:53Z", "ms": -95428387470.05394 }, "end": { "local": "1966-12-23T12:54:53+00:00", "utc": "1966-12-23T12:54:53Z", "ms": -95425507470.05394 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-12-24", "window": { "start": { "local": "1966-12-24T12:07:22+00:00", "utc": "1966-12-24T12:07:22Z", "ms": -95341957531.41042 }, "end": { "local": "1966-12-24T12:55:22+00:00", "utc": "1966-12-24T12:55:22Z", "ms": -95339077531.41042 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:34 on Fri 23 Dec to 18:38 on Sat 24 Dec.", "fact": "1966-12-23T17:33:31Z → 1966-12-24T18:38:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 23rd, 12:07–12:55 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16718 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Bamako, 1966: Saturday 24 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": "1966-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-24", "confidence": "determinate" } ], "quote": "In Bamako, Akhaṇḍa Dvādaśī 1966 falls on Saturday 24 December. Dvādaśī runs from 17:34 on Fri 23 Dec to 18:38 on Sat 24 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/pradosha-vrata?on=1966-12-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-24", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1531, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-12-24T18:38:16+00:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "end": { "local": "1966-12-25T19:00:17+00:00", "utc": "1966-12-25T19:00:17Z", "ms": -95230783092.47813 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-24T18:38:16+00:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "end": { "local": "1966-12-25T19:00:17+00:00", "utc": "1966-12-25T19:00:17Z", "ms": -95230783092.47813 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-24", "window": { "start": { "local": "1966-12-24T18:12:45+00:00", "utc": "1966-12-24T18:12:45Z", "ms": -95320035205.45377 }, "end": { "local": "1966-12-24T19:53:47+00:00", "utc": "1966-12-24T19:53:47Z", "ms": -95313973349.75858 } }, "covered_min": 76, "window_min": 101, "qualifies": true }, { "local_date": "1966-12-25", "window": { "start": { "local": "1966-12-25T18:13:16+00:00", "utc": "1966-12-25T18:13:16Z", "ms": -95233604008.2456 }, "end": { "local": "1966-12-25T19:54:17+00:00", "utc": "1966-12-25T19:54:17Z", "ms": -95227542578.51224 } }, "covered_min": 47, "window_min": 101, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:38 on Sat 24 Dec to 19:00 on Sun 25 Dec.", "fact": "1966-12-24T18:38:16Z → 1966-12-25T19:00:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:54 on the 24th, 18:13–19:54 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 101 minutes on the 24th and 47 of 101 on the 25th.", "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 1531 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Bamako, 1966: Saturday 24 December.", "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": "1966-12-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-24", "confidence": "boundary" } ], "quote": "In Bamako, Śukla Pradoṣa Vrata 1966 falls on Saturday 24 December. Trayodaśī runs from 18:38 on Sat 24 Dec to 19:00 on Sun 25 Dec and covers 76 of 101 minutes of pradoṣa that evening. It also reaches the next evening for 47 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/1966/pradosha-vrata?on=1966-12-24", "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/1966/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1602, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-12-26T18:40:29+00:00", "utc": "1966-12-26T18:40:29Z", "ms": -95145570778.19994 }, "end": { "local": "1966-12-27T17:43:06+00:00", "utc": "1966-12-27T17:43:06Z", "ms": -95062613648.81216 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-26T18:40:29+00:00", "utc": "1966-12-26T18:40:29Z", "ms": -95145570778.19994 }, "end": { "local": "1966-12-27T17:43:06+00:00", "utc": "1966-12-27T17:43:06Z", "ms": -95062613648.81216 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-26", "window": { "start": { "local": "1966-12-26T18:13:48+00:00", "utc": "1966-12-26T18:13:48Z", "ms": -95147172416.42323 }, "end": { "local": "1966-12-26T19:54:48+00:00", "utc": "1966-12-26T19:54:48Z", "ms": -95141111544.71443 } }, "covered_min": 74, "window_min": 101, "qualifies": true }, { "local_date": "1966-12-27", "window": { "start": { "local": "1966-12-27T18:14:20+00:00", "utc": "1966-12-27T18:14:20Z", "ms": -95060740461.68434 }, "end": { "local": "1966-12-27T19:55:20+00:00", "utc": "1966-12-27T19:55:20Z", "ms": -95054680279.51648 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:40 on Mon 26 Dec to 17:43 on Tue 27 Dec.", "fact": "1966-12-26T18:40:29Z → 1966-12-27T17:43:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:55 on the 26th, 18:14–19:55 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 74 of 101 minutes on the 26th and 0 of 101 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: unstated → only-day · margin 1602 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Bamako, 1966: Monday 26 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": "1966-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-26", "confidence": "determinate" } ], "quote": "In Bamako, Dattātreyotpatti (Datta Jayanti) 1966 falls on Monday 26 December. Pūrṇimā runs from 18:40 on Mon 26 Dec to 17:43 on Tue 27 Dec and covers 74 of 101 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/bamako/festivals/1966/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/1966/sankashta-chaturthi?on=1966-12-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "2460596", "year": 1966, "local_date": "1966-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32450, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-30T12:14:32+00:00", "utc": "1966-12-30T12:14:32Z", "ms": -94823127962.12044 }, "end": { "local": "1966-12-31T09:58:21+00:00", "utc": "1966-12-31T09:58:21Z", "ms": -94744899363.31508 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-30T12:14:32+00:00", "utc": "1966-12-30T12:14:32Z", "ms": -94823127962.12044 }, "end": { "local": "1966-12-31T09:58:21+00:00", "utc": "1966-12-31T09:58:21Z", "ms": -94744899363.31508 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-12-30", "window": { "start": { "local": "1966-12-30T21:15:22+00:00", "utc": "1966-12-30T21:15:22Z", "ms": -94790677639.06734 }, "end": { "local": "1966-12-30T21:15:22+00:00", "utc": "1966-12-30T21:15:22Z", "ms": -94790677639.06734 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-12-31", "window": { "start": { "local": "1966-12-31T22:14:16+00:00", "utc": "1966-12-31T22:14:16Z", "ms": -94700744199.12164 }, "end": { "local": "1966-12-31T22:14:16+00:00", "utc": "1966-12-31T22:14:16Z", "ms": -94700744199.12164 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:15 on Fri 30 Dec to 09:58 on Sat 31 Dec.", "fact": "1966-12-30T12:14:32Z → 1966-12-31T09:58:21Z" }, { "step": "kaala", "text": "Moonrise is at 21:15 on the 30th and 22:14 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32450 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Bamako, 1966: Friday 30 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": "1966-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-30", "confidence": "determinate" } ], "quote": "In Bamako, Saṅkaṣṭa Caturthī 1966 falls on Friday 30 December. Caturthī runs from 12:15 on Fri 30 Dec to 09:58 on Sat 31 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/bamako/festivals/1966/sankashta-chaturthi?on=1966-12-30", "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" } }